www.masterclass.com Open in urlscan Pro
2606:4700::6810:a72f Public Scan

Go To Rescan
Add Verdict Report

Submitted URL:
https://links.masterclass.com/a/click?_t=c862c12dcd894e7aaa5de2c182120673&_m=329d047763a441a1896d1e821efb75f1&_e=m7-fvBXdYPxne...
Effective URL:
https://www.masterclass.com/classes/matthew-walker-teaches-the-science-of-better-sleep?utm_source=Email&utm_medium=Blast&utm...
Submission: On December 11 via api (December 11th 2023, 1:14:11 am UTC) from CA — Scanned from CA

Summary HTTP 257 Redirects Links 17 Behaviour Indicators

Summary

This website contacted 36 IPs in 2 countries across 26 domains to perform 257 HTTP transactions. The main IP is 2606:4700::6810:a72f, located in United States and belongs to CLOUDFLARENET, US. The main domain is www.masterclass.com. The Cisco Umbrella rank of the primary domain is 66986.
TLS certificate: Issued by Cloudflare Inc ECC CA-3 on May 5th 2023. Valid for: a year.

This is the only time www.masterclass.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
2 159	2606:4700::68... 2606:4700::6810:a72f	13335 (CLOUDFLAR...) (CLOUDFLARENET)
4	209.58.135.36 209.58.135.36	7203 (LEASEWEB-...) (LEASEWEB-USA-SFO)
14	99.86.191.237 99.86.191.237	16509 (AMAZON-02) (AMAZON-02)
5	2607:f8b0:400... 2607:f8b0:4004:c17::61	15169 (GOOGLE) (GOOGLE)
1	52.85.150.230 52.85.150.230	16509 (AMAZON-02) (AMAZON-02)
10	2607:f8b0:400... 2607:f8b0:4004:c06::8a	15169 (GOOGLE) (GOOGLE)
2	2a03:2880:f07... 2a03:2880:f07d:0:face:b00c:0:3	32934 (FACEBOOK) (FACEBOOK)
4	2620:1ec:c11:... 2620:1ec:c11::200	8068 (MICROSOFT...) (MICROSOFT-CORP-MSN-AS-BLOCK)
2	54.69.119.24 54.69.119.24	16509 (AMAZON-02) (AMAZON-02)
3	2600:9000:269... 2600:9000:269f:c400:17:3f5c:f800:21	16509 (AMAZON-02) (AMAZON-02)
1	2606:4700::68... 2606:4700::6811:190e	13335 (CLOUDFLAR...) (CLOUDFLARENET)
1	35.186.249.72 35.186.249.72	15169 (GOOGLE) (GOOGLE)
6	23.48.4.139 23.48.4.139	20940 (AKAMAI-ASN1) (AKAMAI-ASN1)
1	52.92.248.136 52.92.248.136	16509 (AMAZON-02) (AMAZON-02)
1 1	54.166.177.139 54.166.177.139	14618 (AMAZON-AES) (AMAZON-AES)
1 2	54.160.169.234 54.160.169.234	14618 (AMAZON-AES) (AMAZON-AES)
3	2607:f8b0:400... 2607:f8b0:4004:c07::64	15169 (GOOGLE) (GOOGLE)
3	2607:f8b0:400... 2607:f8b0:4004:c09::9b	15169 (GOOGLE) (GOOGLE)
6	2607:f8b0:400... 2607:f8b0:4004:c1b::5e	15169 (GOOGLE) (GOOGLE)
2 3	2607:f8b0:400... 2607:f8b0:4004:c08::9a	15169 (GOOGLE) (GOOGLE)
7	44.234.198.184 44.234.198.184	16509 (AMAZON-02) (AMAZON-02)
2	172.253.63.154 172.253.63.154	15169 (GOOGLE) (GOOGLE)
2	2a03:2880:f17... 2a03:2880:f171:81:face:b00c:0:25de	32934 (FACEBOOK) (FACEBOOK)
1	23.221.252.246 23.221.252.246	16625 (AKAMAI-AS) (AKAMAI-AS)
1	2600:9000:23c... 2600:9000:23cb:7800:8:8845:1500:93a1	16509 (AMAZON-02) (AMAZON-02)
1	3.161.210.179 3.161.210.179	16509 (AMAZON-02) (AMAZON-02)
1	2600:9000:207... 2600:9000:2073:c000:3:760:2800:21	16509 (AMAZON-02) (AMAZON-02)
1	2600:9000:215... 2600:9000:215f:a400:17:f683:1d40:21	16509 (AMAZON-02) (AMAZON-02)
1	3.161.209.109 3.161.209.109	16509 (AMAZON-02) (AMAZON-02)
1 2	54.145.103.184 54.145.103.184	14618 (AMAZON-AES) (AMAZON-AES)
2 4	2607:f8b0:400... 2607:f8b0:4004:c07::68	15169 (GOOGLE) (GOOGLE)
1	68.67.161.182 68.67.161.182	29990 (ASN-APPNEX) (ASN-APPNEX)
1 1	2600:1f18:730... 2600:1f18:730:b110:b9d7:5d50:f444:5e53	14618 (AMAZON-AES) (AMAZON-AES)
1	3.228.152.77 3.228.152.77	14618 (AMAZON-AES) (AMAZON-AES)
2	54.82.17.205 54.82.17.205	14618 (AMAZON-AES) (AMAZON-AES)
2	54.201.102.122 54.201.102.122	() ()
2	34.215.157.130 34.215.157.130	() ()
257	36

159 2606:4700::6810:a72f (United States) 2 redirects

ASN13335 (CLOUDFLARENET, US)

links.masterclass.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools
www.masterclass.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

4 209.58.135.36 (Walnut Creek, United States)

ASN7203 (LEASEWEB-USA-SFO, US)

ujjak2x1py-dsn.algolia.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

14 99.86.191.237 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-99-86-191-237.iad79.r.cloudfront.net

cdn.segment.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

5 2607:f8b0:4004:c17::61 (Washington, United States)

ASN15169 (GOOGLE, US)

www.googletagmanager.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 52.85.150.230 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-52-85-150-230.iad89.r.cloudfront.net

cdn.amplitude.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

10 2607:f8b0:4004:c06::8a (Washington, United States)

ASN15169 (GOOGLE, US)

www.google-analytics.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2a03:2880:f07d:0:face:b00c:0:3 (Apodaca, Mexico)

ASN32934 (FACEBOOK, US)

connect.facebook.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

4 2620:1ec:c11::200 (United States)

ASN8068 (MICROSOFT-CORP-MSN-AS-BLOCK, US)

bat.bing.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 54.69.119.24 (Boardman, United States)

ASN16509 (AMAZON-02, US)
PTR: ec2-54-69-119-24.us-west-2.compute.amazonaws.com

api.amplitude.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

3 2600:9000:269f:c400:17:3f5c:f800:21 (United States)

ASN16509 (AMAZON-02, US)

d2hrivdxn8ekm8.cloudfront.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2606:4700::6811:190e (United States)

ASN13335 (CLOUDFLARENET, US)

cdnjs.cloudflare.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 35.186.249.72 (Kansas City, United States)

ASN15169 (GOOGLE, US)
PTR: 72.249.186.35.bc.googleusercontent.com

utt.impactcdn.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

6 23.48.4.139 (Chicago, United States)

ASN20940 (AKAMAI-ASN1, NL)
PTR: a23-48-4-139.deploy.static.akamaitechnologies.com

analytics.tiktok.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 52.92.248.136 (Boardman, United States)

ASN16509 (AMAZON-02, US)
PTR: s3-us-west-2.amazonaws.com

s3-us-west-2.amazonaws.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 54.166.177.139 (United States) 1 redirects

ASN14618 (AMAZON-AES, US)
PTR: ec2-54-166-177-139.compute-1.amazonaws.com

pixel.pointmediatracker.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 54.160.169.234 (United States) 1 redirects

ASN14618 (AMAZON-AES, US)
PTR: ec2-54-160-169-234.compute-1.amazonaws.com

cnv.event.prod.bidr.io	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

3 2607:f8b0:4004:c07::64 (Washington, United States)

ASN15169 (GOOGLE, US)

analytics.google.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

3 2607:f8b0:4004:c09::9b (Ashburn, United States)

ASN15169 (GOOGLE, US)

stats.g.doubleclick.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

6 2607:f8b0:4004:c1b::5e (Washington, United States)

ASN15169 (GOOGLE, US)

www.google.ca	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

3 2607:f8b0:4004:c08::9a (Ashburn, United States) 2 redirects

ASN15169 (GOOGLE, US)

googleads.g.doubleclick.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

7 44.234.198.184 (Boardman, United States)

ASN16509 (AMAZON-02, US)
PTR: ec2-44-234-198-184.us-west-2.compute.amazonaws.com

api.segment.io	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 172.253.63.154 (United States)

ASN15169 (GOOGLE, US)
PTR: bi-in-f154.1e100.net

www.googleadservices.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2a03:2880:f171:81:face:b00c:0:25de (Apodaca, Mexico)

ASN32934 (FACEBOOK, US)

www.facebook.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 23.221.252.246 (Ashburn, United States)

ASN16625 (AKAMAI-AS, US)
PTR: a23-221-252-246.deploy.static.akamaitechnologies.com

acdn.adnxs.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2600:9000:23cb:7800:8:8845:1500:93a1 (United States)

ASN16509 (AMAZON-02, US)

b-code.liadm.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 3.161.210.179 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-3-161-210-179.yul62.r.cloudfront.net

dvqigh9b7wa32.cloudfront.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2600:9000:2073:c000:3:760:2800:21 (United States)

ASN16509 (AMAZON-02, US)

d330aiyvva2oww.cloudfront.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2600:9000:215f:a400:17:f683:1d40:21 (United States)

ASN16509 (AMAZON-02, US)

d1lu3pmaz2ilpx.cloudfront.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 3.161.209.109 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-3-161-209-109.yul62.r.cloudfront.net

js.adsrvr.org	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 54.145.103.184 (Ashburn, United States) 1 redirects

ASN14618 (AMAZON-AES, US)
PTR: ec2-54-145-103-184.compute-1.amazonaws.com

segment.prod.bidr.io	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

4 2607:f8b0:4004:c07::68 (Washington, United States) 2 redirects

ASN15169 (GOOGLE, US)

www.google.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 68.67.161.182 (Jersey City, United States)

ASN29990 (ASN-APPNEX, US)
PTR: 797.bm-nginx-loadbalancer.mgmt.nym2.adnexus.net

ib.adnxs.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2600:1f18:730:b110:b9d7:5d50:f444:5e53 (Ashburn, United States) 1 redirects

ASN14618 (AMAZON-AES, US)

rp.liadm.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 3.228.152.77 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-3-228-152-77.compute-1.amazonaws.com

rp4.liadm.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 54.82.17.205 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-54-82-17-205.compute-1.amazonaws.com

idx.liadm.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 54.201.102.122 (None, )

ASN- ()

ckjjzdn8vk.execute-api.us-west-2.amazonaws.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 34.215.157.130 (None, )

ASN- ()

s3shglasfi.execute-api.us-west-2.amazonaws.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
159	masterclass.com 2 redirects links.masterclass.com — Cisco Umbrella Rank: 103628 www.masterclass.com — Cisco Umbrella Rank: 66986	2 MB
14	segment.com cdn.segment.com — Cisco Umbrella Rank: 1681	141 KB
10	google-analytics.com www.google-analytics.com — Cisco Umbrella Rank: 27	23 KB
7	segment.io api.segment.io — Cisco Umbrella Rank: 1340 Failed	1 KB
7	google.com 2 redirects analytics.google.com — Cisco Umbrella Rank: 152 www.google.com — Cisco Umbrella Rank: 2	3 KB
6	google.ca www.google.ca — Cisco Umbrella Rank: 9252	904 B
6	doubleclick.net 2 redirects stats.g.doubleclick.net — Cisco Umbrella Rank: 75 googleads.g.doubleclick.net — Cisco Umbrella Rank: 33	5 KB
6	tiktok.com analytics.tiktok.com — Cisco Umbrella Rank: 617	149 KB
6	cloudfront.net d2hrivdxn8ekm8.cloudfront.net dvqigh9b7wa32.cloudfront.net d330aiyvva2oww.cloudfront.net d1lu3pmaz2ilpx.cloudfront.net	29 KB
5	liadm.com 1 redirects b-code.liadm.com — Cisco Umbrella Rank: 2977 rp.liadm.com — Cisco Umbrella Rank: 1632 rp4.liadm.com — Cisco Umbrella Rank: 6685 idx.liadm.com — Cisco Umbrella Rank: 2268	17 KB
5	amazonaws.com s3-us-west-2.amazonaws.com ckjjzdn8vk.execute-api.us-west-2.amazonaws.com s3shglasfi.execute-api.us-west-2.amazonaws.com	60 KB
5	googletagmanager.com www.googletagmanager.com — Cisco Umbrella Rank: 36	426 KB
4	bidr.io 2 redirects cnv.event.prod.bidr.io — Cisco Umbrella Rank: 7763 segment.prod.bidr.io — Cisco Umbrella Rank: 6204	2 KB
4	bing.com bat.bing.com — Cisco Umbrella Rank: 329	14 KB
4	algolia.net ujjak2x1py-dsn.algolia.net — Cisco Umbrella Rank: 114707	86 KB
3	amplitude.com cdn.amplitude.com — Cisco Umbrella Rank: 2546 api.amplitude.com — Cisco Umbrella Rank: 1839	18 KB
2	adnxs.com acdn.adnxs.com — Cisco Umbrella Rank: 610 ib.adnxs.com — Cisco Umbrella Rank: 229	4 KB
2	facebook.com www.facebook.com — Cisco Umbrella Rank: 98	216 B
2	googleadservices.com www.googleadservices.com — Cisco Umbrella Rank: 138	4 KB
2	facebook.net connect.facebook.net — Cisco Umbrella Rank: 168	89 KB
1	adsrvr.org js.adsrvr.org — Cisco Umbrella Rank: 1355	3 KB
1	pointmediatracker.com 1 redirects pixel.pointmediatracker.com — Cisco Umbrella Rank: 4562	504 B
1	impactcdn.com utt.impactcdn.com — Cisco Umbrella Rank: 3071	14 KB
1	cloudflare.com cdnjs.cloudflare.com — Cisco Umbrella Rank: 204	4 KB
0	tvspix.com Failed tvspix.com Failed
0	brightcove.net Failed players.brightcove.net Failed
257	26

	Domain	Requested by
158	www.masterclass.com	1 redirects www.masterclass.com
14	cdn.segment.com	www.masterclass.com
10	www.google-analytics.com	www.masterclass.com www.googletagmanager.com
7	api.segment.io	www.masterclass.com
6	www.google.ca	www.masterclass.com
6	analytics.tiktok.com	www.masterclass.com analytics.tiktok.com
5	www.googletagmanager.com	www.masterclass.com
4	www.google.com	2 redirects www.masterclass.com
4	bat.bing.com	www.masterclass.com
4	ujjak2x1py-dsn.algolia.net	www.masterclass.com
3	googleads.g.doubleclick.net	2 redirects www.masterclass.com
3	stats.g.doubleclick.net	www.googletagmanager.com www.masterclass.com
3	analytics.google.com	www.googletagmanager.com
3	d2hrivdxn8ekm8.cloudfront.net	www.masterclass.com
2	s3shglasfi.execute-api.us-west-2.amazonaws.com	www.masterclass.com
2	ckjjzdn8vk.execute-api.us-west-2.amazonaws.com	www.masterclass.com
2	idx.liadm.com	www.masterclass.com
2	segment.prod.bidr.io	1 redirects www.masterclass.com
2	www.facebook.com	www.masterclass.com
2	www.googleadservices.com	www.masterclass.com
2	cnv.event.prod.bidr.io	1 redirects www.masterclass.com
2	api.amplitude.com	www.masterclass.com
2	connect.facebook.net	www.masterclass.com
1	rp4.liadm.com	www.masterclass.com
1	rp.liadm.com	1 redirects
1	ib.adnxs.com	www.masterclass.com
1	js.adsrvr.org	www.masterclass.com
1	d1lu3pmaz2ilpx.cloudfront.net	www.masterclass.com
1	d330aiyvva2oww.cloudfront.net	www.masterclass.com
1	dvqigh9b7wa32.cloudfront.net	www.masterclass.com
1	b-code.liadm.com	www.masterclass.com
1	acdn.adnxs.com	www.masterclass.com
1	pixel.pointmediatracker.com	1 redirects
1	s3-us-west-2.amazonaws.com	www.masterclass.com
1	utt.impactcdn.com	www.masterclass.com
1	cdnjs.cloudflare.com	www.masterclass.com
1	cdn.amplitude.com	www.masterclass.com
1	links.masterclass.com	1 redirects
0	tvspix.com Failed	www.masterclass.com
0	players.brightcove.net Failed	www.masterclass.com
257	40

This site contains links to these domains. Also see Links.

Domain
support.masterclass.com
learn.masterclass.com
privacy.masterclass.com
masterclasshelp.zendesk.com
twitter.com
www.instagram.com
www.facebook.com
youtube.com
www.linkedin.com
itunes.apple.com
play.google.com
www.amazon.com
channelstore.roku.com

Subject Issuer	Validity	Valid
sni.cloudflaressl.com Cloudflare Inc ECC CA-3	`2023-05-05` - `2024-05-04`	a year	crt.sh
algolia.net Sectigo RSA Organization Validation Secure Server CA	`2022-12-20` - `2024-01-19`	a year	crt.sh
*.segment.com Amazon RSA 2048 M03	`2023-11-14` - `2024-12-13`	a year	crt.sh
*.google-analytics.com GTS CA 1C3	`2023-11-20` - `2024-02-12`	3 months	crt.sh
cdn.amplitude.com Amazon RSA 2048 M01	`2023-01-12` - `2024-02-11`	a year	crt.sh
*.facebook.com DigiCert SHA2 High Assurance Server CA	`2023-09-19` - `2023-12-18`	3 months	crt.sh
www.bing.com Microsoft Azure TLS Issuing CA 01	`2023-10-24` - `2024-04-21`	6 months	crt.sh
*.amplitude.com COMODO RSA Domain Validation Secure Server CA	`2023-01-23` - `2024-02-14`	a year	crt.sh
*.cloudfront.net Amazon RSA 2048 M01	`2023-10-10` - `2024-09-19`	a year	crt.sh
utt.impactcdn.com GTS CA 1D4	`2023-11-07` - `2024-02-05`	3 months	crt.sh
*.tiktok.com RapidSSL ECC CA 2018	`2023-07-14` - `2024-08-13`	a year	crt.sh
*.s3-us-west-2.amazonaws.com Amazon RSA 2048 M01	`2023-10-10` - `2024-08-03`	10 months	crt.sh
*.google.com GTS CA 1C3	`2023-11-20` - `2024-02-12`	3 months	crt.sh
*.g.doubleclick.net GTS CA 1C3	`2023-11-20` - `2024-02-12`	3 months	crt.sh
*.google.ca GTS CA 1C3	`2023-11-20` - `2024-02-12`	3 months	crt.sh
*.segment.io Amazon RSA 2048 M01	`2023-02-10` - `2024-02-10`	a year	crt.sh
www.googleadservices.com GTS CA 1C3	`2023-11-20` - `2024-02-12`	3 months	crt.sh
cdn.adnxs.com GeoTrust RSA CA 2018	`2023-08-24` - `2024-08-24`	a year	crt.sh
*.liadm.com Amazon RSA 2048 M03	`2023-12-02` - `2024-12-29`	a year	crt.sh
*.adsrvr.org GlobalSign GCC R3 DV TLS CA 2020	`2023-04-12` - `2024-05-13`	a year	crt.sh
www.google.com GTS CA 1C3	`2023-11-20` - `2024-02-12`	3 months	crt.sh
*.adnxs.com GeoTrust ECC CA 2018	`2023-02-13` - `2024-03-15`	a year	crt.sh
*.execute-api.us-west-2.amazonaws.com Amazon RSA 2048 M01	`2023-06-02` - `2024-06-30`	a year	crt.sh

This page contains 1 frames:

Primary Page: https://www.masterclass.com/classes/matthew-walker-teaches-the-science-of-better-sleep?utm_source=Email&utm_medium=Blast&utm_term=REMCAN&utm_content=12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN&utm_campaign=JShettyLaunchedLastWeek
Frame ID: 7945BFCCF6098F207529D4CF8A98F5E9
Requests: 255 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

Matthew Walker Teaches the Science of Better Sleep

Page URL History Show full URLs

https://links.masterclass.com/a/click?_t=c862c12dcd894e7aaa5de2c182120673&_m=329d047763a441a1896d1e821efb7... HTTP 303
https://www.masterclass.com/course/207?utm_source=Email&utm_medium=Blast&utm_term=REMCAN&utm_content=120... HTTP 302
https://www.masterclass.com/classes/matthew-walker-teaches-the-science-of-better-sleep?utm_source=Email&... Page URL

Detected technologies

Amplitude (Analytics) Expand

Overall confidence: 100%
Detected patterns

cdn\.amplitude\.com

AppNexus (Advertising Networks) Expand

Overall confidence: 100%
Detected patterns

adnxs\.(?:net|com)

Facebook (Widgets) Expand

Overall confidence: 100%
Detected patterns

//connect\.facebook\.([a-z]+)/[^/]*/[a-z]*\.js

Google Analytics (Analytics) Expand

Overall confidence: 100%
Detected patterns

google-analytics\.com/(?:ga|urchin|analytics)\.js

Google Tag Manager (Tag Managers) Expand

Overall confidence: 100%
Detected patterns

googletagmanager\.com/gtm\.js
googletagmanager\.com/gtag/js

Segment (Analytics) Expand

Overall confidence: 100%
Detected patterns

cdn\.segment\.com/analytics\.js

Page Statistics

257
Requests

96 %
HTTPS

46 %
IPv6

26
Domains

40
Subdomains

36
IPs

2
Countries

2873 kB
Transfer

7280 kB
Size

58
Cookies

17 Outgoing links

These are links going to different origins than the main page.

URL: https://support.masterclass.com/hc/en-us/requests/new
Title: contact us

Search URL Search Domain Scan URL

URL: https://support.masterclass.com/hc/en-us/articles/204896758-How-do-I-get-a-refund
Title: here

Search URL Search Domain Scan URL

URL: https://learn.masterclass.com/dei
Title: Diversity, Equity, and Inclusion

Search URL Search Domain Scan URL

URL: https://learn.masterclass.com/security
Title: Security

Search URL Search Domain Scan URL

URL: https://privacy.masterclass.com/
Title: Privacy

Search URL Search Domain Scan URL

URL: https://learn.masterclass.com/grants
Title: Social Impact

Search URL Search Domain Scan URL

URL: https://masterclasshelp.zendesk.com/hc
Title: Support

Search URL Search Domain Scan URL

URL: https://twitter.com/masterclass
Title: Twitter

Search URL Search Domain Scan URL

URL: https://www.instagram.com/masterclass
Title: Instagram

Search URL Search Domain Scan URL

URL: https://www.facebook.com/masterclassofficial
Title: Facebook

Search URL Search Domain Scan URL

URL: https://youtube.com/c/masterclass
Title: YouTube

Search URL Search Domain Scan URL

URL: https://www.linkedin.com/company/masterclassinc
Title: LinkedIn

Search URL Search Domain Scan URL

URL: https://itunes.apple.com/US/app/id1273867416
Title: Download on the App Store

Search URL Search Domain Scan URL

URL: https://play.google.com/store/apps/details?id=com.yanka.mc
Title: Get it on Google Play

Search URL Search Domain Scan URL

URL: https://www.amazon.com/MasterClass-Learn-from-the-best/dp/B081QX5R8T/ref=sr_1_1?keywords=masterclass&qid=1575500772&s=mobile-apps&sr=1-1
Title: Available at amazon app store

Search URL Search Domain Scan URL

URL: https://channelstore.roku.com/details/579323/masterclass-learn-new-skills
Title: Available on Roku

Search URL Search Domain Scan URL

URL: https://support.masterclass.com/hc/en-us/articles/7714190375447-How-to-watch-classes-on-a-Comcast-device-
Title: Available on Xfinity

Search URL Search Domain Scan URL

Page URL History

This captures the URL locations of the websites, including HTTP redirects and client-side redirects via JavaScript or Meta fields.

https://links.masterclass.com/a/click?_t=c862c12dcd894e7aaa5de2c182120673&_m=329d047763a441a1896d1e821efb75f1&_e=m7-fvBXdYPxneU2NoSCkO3p55SifFeXh79_UULYwHiHHJF1O5neR_fiOjOxJ73CKV01vglwFAIXjwbY6hzQVmJ0nZbH5qSoSznk-f70AFbz1tKQJsL5n7we-GHWsbHU38m4DtL0kl5lNvSIJ647J0hHDnV-DhSv1a69Zmv9XFzY0_uFSitwO-EcG4teTreU1KrBn_8SPCDSThUwhz867MMwT0Vd7FTd3Vkc6_Hadk6p6ZvKgGHwgbMbaiNKMb5W1qEQf4YY8siAF6qKc7rnJiouEFWHzeIvFGJddU3C0ItF6xLXIEuGkGrkQsUAT9IRObz9n3r18U_wd6u8_nG6JE6tC_Tj6DAH6wG6GUYKfQr3jdFujI8lVzOMFFKfB0foTc1uGR-7jbEOOXW_FXWG9ijn1JkcSYdfTgwU3mxe7lKT6nPgJxdM6ismgj2tKXqfrAkJuHjas4AnCnb8XEpHdUQ%3D%3D HTTP 303
https://www.masterclass.com/course/207?utm_source=Email&utm_medium=Blast&utm_term=REMCAN&utm_content=12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN&utm_campaign=JShettyLaunchedLastWeek HTTP 302
https://www.masterclass.com/classes/matthew-walker-teaches-the-science-of-better-sleep?utm_source=Email&utm_medium=Blast&utm_term=REMCAN&utm_content=12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN&utm_campaign=JShettyLaunchedLastWeek Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 180

https://pixel.pointmediatracker.com/kpi?c=masterclass&kpi=visit&tag_id=159&fpc=8963b8c0-cc0c-43f9-acafa18f64cae959&user_id=undefined&utm_source=Email&utm_medium=Blast&utm_campaign=JShettyLaunchedLastWeek&gtmcb=747566231 HTTP 302
https://cnv.event.prod.bidr.io/log/cnv?tag_id=159&buzz_key=blisspoint&value=masterclass&segment_key=&order=a3c88819-d465-46ff-aa9c-96e244974364.undefined&ord=714917501167978006 HTTP 303
https://cnv.event.prod.bidr.io/log/cnv?tag_id=159&buzz_key=blisspoint&value=masterclass&segment_key=&order=a3c88819-d465-46ff-aa9c-96e244974364.undefined&ord=714917501167978006&_bee_ppp=1

Request Chain 235

https://segment.prod.bidr.io/associate-segment?buzz_key=tatari&segment_key=tatari-958&value=&uncacheplz=9620810725 HTTP 303
https://segment.prod.bidr.io/associate-segment?buzz_key=tatari&segment_key=tatari-958&value=&uncacheplz=9620810725&_bee_ppp=1

Request Chain 241

https://googleads.g.doubleclick.net/pagead/viewthroughconversion/952839809/?random=24303363&cv=11&fst=1702257243792&bg=ffffff&guid=ON&async=1&gtm=45be3bt0v876889216&gcd=11l1l1l1l1&dma=0&u_w=1600&u_h=1200&url=https%3A%2F%2Fwww.masterclass.com%2Fclasses%2Fmatthew-walker-teaches-the-science-of-better-sleep%3Futm_source%3DEmail%26utm_medium%3DBlast%26utm_term%3DREMCAN%26utm_content%3D12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN%26utm_campaign%3DJShettyLaunchedLastWeek&label=z4NLCOWD7NEBEIHdrMYD&hn=www.googleadservices.com&frm=0&tiba=Matthew%20Walker%20Teaches%20the%20Science%20of%20Better%20Sleep&gtm_ee=1&auid=1634085242.1702257243&uamb=0&uaw=0&data=event%3DCourse%20Marketing%3Bpath%3D%2Fclasses%2Fmatthew-walker-teaches-the-science-of-better-sleep%3Breferrer%3D%3Bsearch%3D%3Futm_source%5C%3DEmail%26utm_medium%5C%3DBlast%26utm_term%5C%3DREMCAN%26utm_content%5C%3D12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN%26utm_campaign%5C%3DJShettyLaunchedLastWeek%3Btitle%3DMatthew%20Walker%20Teaches%20the%20Science%20of%20Better%20Sleep%3Burl%3Dhttps%3A%2F%2Fwww.masterclass.com%2Fclasses%2Fmatthew-walker-teaches-the-science-of-better-sleep%3Futm_source%5C%3DEmail%26utm_medium%5C%3DBlast%26utm_term%5C%3DREMCAN%26utm_content%5C%3D12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN%26utm_campaign%5C%3DJShettyLaunchedLastWeek%3Bplatform%3Dnext%3Buser_locale%3Den-US%3Bnative_locale%3Den-US%2Cen%3Bvisit_session_id%3D8d10745e-6b30-4ac8-9c9e-bccc71c0d83c%3Bname%3DCourse%20Marketing&fmt=3&ct_cookie_present=false&ocp_id=XGJ2ZarFFsaN_gS4_rnYBw&sscte=1&crd=&pscrd=Ek5DaEFJZ09EVnF3WVFsYWFnMU1UTzBNVU9FaVlBZ3NPcUMzVm85VE93Qms0dW9DVl9MeGJrbU9YdTc5WVVqUnJKbWRXZ083RExiS0YxSHcaWENoQUlnT0RWcXdZUXlPekF5ckRxNk5JM0VpNEFiZHkxZ1lkQ2ZnX2VQbFk3NG5HRjRLWjhSQ1BDeWlEc0x5b2VvcXRIMHlRZUtOMGtzN25JaWVnVVpoZnAiEwiq4_eymoaDAxXGhp8KHTh_Dns HTTP 302
https://www.google.com/pagead/1p-conversion/952839809/?random=24303363&cv=11&fst=1702257243792&bg=ffffff&guid=ON&async=1&gtm=45be3bt0v876889216&gcd=11l1l1l1l1&dma=0&u_w=1600&u_h=1200&url=https%3A%2F%2Fwww.masterclass.com%2Fclasses%2Fmatthew-walker-teaches-the-science-of-better-sleep%3Futm_source%3DEmail%26utm_medium%3DBlast%26utm_term%3DREMCAN%26utm_content%3D12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN%26utm_campaign%3DJShettyLaunchedLastWeek&label=z4NLCOWD7NEBEIHdrMYD&hn=www.googleadservices.com&frm=0&tiba=Matthew%20Walker%20Teaches%20the%20Science%20of%20Better%20Sleep&gtm_ee=1&auid=1634085242.1702257243&uamb=0&uaw=0&data=event%3DCourse%20Marketing%3Bpath%3D%2Fclasses%2Fmatthew-walker-teaches-the-science-of-better-sleep%3Breferrer%3D%3Bsearch%3D%3Futm_source%5C%3DEmail%26utm_medium%5C%3DBlast%26utm_term%5C%3DREMCAN%26utm_content%5C%3D12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN%26utm_campaign%5C%3DJShettyLaunchedLastWeek%3Btitle%3DMatthew%20Walker%20Teaches%20the%20Science%20of%20Better%20Sleep%3Burl%3Dhttps%3A%2F%2Fwww.masterclass.com%2Fclasses%2Fmatthew-walker-teaches-the-science-of-better-sleep%3Futm_source%5C%3DEmail%26utm_medium%5C%3DBlast%26utm_term%5C%3DREMCAN%26utm_content%5C%3D12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN%26utm_campaign%5C%3DJShettyLaunchedLastWeek%3Bplatform%3Dnext%3Buser_locale%3Den-US%3Bnative_locale%3Den-US%2Cen%3Bvisit_session_id%3D8d10745e-6b30-4ac8-9c9e-bccc71c0d83c%3Bname%3DCourse%20Marketing&fmt=3&ct_cookie_present=false&sscte=1&crd=&pscrd=Ek5DaEFJZ09EVnF3WVFsYWFnMU1UTzBNVU9FaVlBZ3NPcUMzVm85VE93Qms0dW9DVl9MeGJrbU9YdTc5WVVqUnJKbWRXZ083RExiS0YxSHcaWENoQUlnT0RWcXdZUXlPekF5ckRxNk5JM0VpNEFiZHkxZ1lkQ2ZnX2VQbFk3NG5HRjRLWjhSQ1BDeWlEc0x5b2VvcXRIMHlRZUtOMGtzN25JaWVnVVpoZnAiEwiq4_eymoaDAxXGhp8KHTh_Dns&is_vtc=1&ocp_id=XGJ2ZarFFsaN_gS4_rnYBw&cid=CAQSGwDICaaNLzPFX3z83B0xP5SyTDLu9D52tzk_Jg&random=1616949965 HTTP 302
https://www.google.ca/pagead/1p-conversion/952839809/?random=24303363&cv=11&fst=1702257243792&bg=ffffff&guid=ON&async=1&gtm=45be3bt0v876889216&gcd=11l1l1l1l1&dma=0&u_w=1600&u_h=1200&url=https%3A%2F%2Fwww.masterclass.com%2Fclasses%2Fmatthew-walker-teaches-the-science-of-better-sleep%3Futm_source%3DEmail%26utm_medium%3DBlast%26utm_term%3DREMCAN%26utm_content%3D12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN%26utm_campaign%3DJShettyLaunchedLastWeek&label=z4NLCOWD7NEBEIHdrMYD&hn=www.googleadservices.com&frm=0&tiba=Matthew%20Walker%20Teaches%20the%20Science%20of%20Better%20Sleep&gtm_ee=1&auid=1634085242.1702257243&uamb=0&uaw=0&data=event%3DCourse%20Marketing%3Bpath%3D%2Fclasses%2Fmatthew-walker-teaches-the-science-of-better-sleep%3Breferrer%3D%3Bsearch%3D%3Futm_source%5C%3DEmail%26utm_medium%5C%3DBlast%26utm_term%5C%3DREMCAN%26utm_content%5C%3D12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN%26utm_campaign%5C%3DJShettyLaunchedLastWeek%3Btitle%3DMatthew%20Walker%20Teaches%20the%20Science%20of%20Better%20Sleep%3Burl%3Dhttps%3A%2F%2Fwww.masterclass.com%2Fclasses%2Fmatthew-walker-teaches-the-science-of-better-sleep%3Futm_source%5C%3DEmail%26utm_medium%5C%3DBlast%26utm_term%5C%3DREMCAN%26utm_content%5C%3D12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN%26utm_campaign%5C%3DJShettyLaunchedLastWeek%3Bplatform%3Dnext%3Buser_locale%3Den-US%3Bnative_locale%3Den-US%2Cen%3Bvisit_session_id%3D8d10745e-6b30-4ac8-9c9e-bccc71c0d83c%3Bname%3DCourse%20Marketing&fmt=3&ct_cookie_present=false&sscte=1&crd=&pscrd=Ek5DaEFJZ09EVnF3WVFsYWFnMU1UTzBNVU9FaVlBZ3NPcUMzVm85VE93Qms0dW9DVl9MeGJrbU9YdTc5WVVqUnJKbWRXZ083RExiS0YxSHcaWENoQUlnT0RWcXdZUXlPekF5ckRxNk5JM0VpNEFiZHkxZ1lkQ2ZnX2VQbFk3NG5HRjRLWjhSQ1BDeWlEc0x5b2VvcXRIMHlRZUtOMGtzN25JaWVnVVpoZnAiEwiq4_eymoaDAxXGhp8KHTh_Dns&is_vtc=1&ocp_id=XGJ2ZarFFsaN_gS4_rnYBw&cid=CAQSGwDICaaNLzPFX3z83B0xP5SyTDLu9D52tzk_Jg&random=1616949965&ipr=y

Request Chain 242

https://googleads.g.doubleclick.net/pagead/viewthroughconversion/952839809/?random=580547117&cv=11&fst=1702257243746&bg=ffffff&guid=ON&async=1&gtm=45be3bt0v876889216&gcd=11l1l1l1l1&dma=0&u_w=1600&u_h=1200&url=https%3A%2F%2Fwww.masterclass.com%2Fclasses%2Fmatthew-walker-teaches-the-science-of-better-sleep%3Futm_source%3DEmail%26utm_medium%3DBlast%26utm_term%3DREMCAN%26utm_content%3D12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN%26utm_campaign%3DJShettyLaunchedLastWeek&label=oHZMCPGuhvUYEIHdrMYD&hn=www.googleadservices.com&frm=0&tiba=Matthew%20Walker%20Teaches%20the%20Science%20of%20Better%20Sleep&gtm_ee=1&auid=1634085242.1702257243&uamb=0&uaw=0&data=event%3DProduct%20Viewed%3Bactive_annual_pass%3Dfalse%3Buser_locale%3Den-US%3Bnative_locale%3Den-US%2Cen%3Bplatform%3Dweb%3Bvisit_session_id%3D8d10745e-6b30-4ac8-9c9e-bccc71c0d83c%3Bcontent_type%3Dproduct%3Bname%3DMatthew%20Walker%20Teaches%20the%20Science%20of%20Better%20Sleep%3Bproduct_id%3D224%3Bprice%3D126.310604%3Bquantity%3D1%3Bcategory%3D12&fmt=3&ct_cookie_present=false&ocp_id=XGJ2ZdvHFpmlNeiOluAN&sscte=1&crd=&pscrd=Ek5DaEFJZ09EVnF3WVFsYWFnMU1UTzBNVU9FaVlBZ3NPcUMzVm85VE93Qms0dW9DVl9MeGJrbU9YdTc5WVVqUnJKbWRXZ083RExiS0YxSHcaWENoQUlnT0RWcXdZUXlPekF5ckRxNk5JM0VpNEFiZHkxZ2NqbGhjTnhHb1llUWhmeVd0UHJKQ3oxalJmMEFwNlVfTDh4ZGR6LW5OOHVnRTROaW9SVl9zdW4iEwjb5feymoaDAxWZUg0KHWiHBdw HTTP 302
https://www.google.com/pagead/1p-conversion/952839809/?random=580547117&cv=11&fst=1702257243746&bg=ffffff&guid=ON&async=1&gtm=45be3bt0v876889216&gcd=11l1l1l1l1&dma=0&u_w=1600&u_h=1200&url=https%3A%2F%2Fwww.masterclass.com%2Fclasses%2Fmatthew-walker-teaches-the-science-of-better-sleep%3Futm_source%3DEmail%26utm_medium%3DBlast%26utm_term%3DREMCAN%26utm_content%3D12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN%26utm_campaign%3DJShettyLaunchedLastWeek&label=oHZMCPGuhvUYEIHdrMYD&hn=www.googleadservices.com&frm=0&tiba=Matthew%20Walker%20Teaches%20the%20Science%20of%20Better%20Sleep&gtm_ee=1&auid=1634085242.1702257243&uamb=0&uaw=0&data=event%3DProduct%20Viewed%3Bactive_annual_pass%3Dfalse%3Buser_locale%3Den-US%3Bnative_locale%3Den-US%2Cen%3Bplatform%3Dweb%3Bvisit_session_id%3D8d10745e-6b30-4ac8-9c9e-bccc71c0d83c%3Bcontent_type%3Dproduct%3Bname%3DMatthew%20Walker%20Teaches%20the%20Science%20of%20Better%20Sleep%3Bproduct_id%3D224%3Bprice%3D126.310604%3Bquantity%3D1%3Bcategory%3D12&fmt=3&ct_cookie_present=false&sscte=1&crd=&pscrd=Ek5DaEFJZ09EVnF3WVFsYWFnMU1UTzBNVU9FaVlBZ3NPcUMzVm85VE93Qms0dW9DVl9MeGJrbU9YdTc5WVVqUnJKbWRXZ083RExiS0YxSHcaWENoQUlnT0RWcXdZUXlPekF5ckRxNk5JM0VpNEFiZHkxZ2NqbGhjTnhHb1llUWhmeVd0UHJKQ3oxalJmMEFwNlVfTDh4ZGR6LW5OOHVnRTROaW9SVl9zdW4iEwjb5feymoaDAxWZUg0KHWiHBdw&is_vtc=1&ocp_id=XGJ2ZdvHFpmlNeiOluAN&cid=CAQSGwDICaaN5mIMbk3gXbhXqzTTiLrSgUzKdAqoJA&random=810757837 HTTP 302
https://www.google.ca/pagead/1p-conversion/952839809/?random=580547117&cv=11&fst=1702257243746&bg=ffffff&guid=ON&async=1&gtm=45be3bt0v876889216&gcd=11l1l1l1l1&dma=0&u_w=1600&u_h=1200&url=https%3A%2F%2Fwww.masterclass.com%2Fclasses%2Fmatthew-walker-teaches-the-science-of-better-sleep%3Futm_source%3DEmail%26utm_medium%3DBlast%26utm_term%3DREMCAN%26utm_content%3D12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN%26utm_campaign%3DJShettyLaunchedLastWeek&label=oHZMCPGuhvUYEIHdrMYD&hn=www.googleadservices.com&frm=0&tiba=Matthew%20Walker%20Teaches%20the%20Science%20of%20Better%20Sleep&gtm_ee=1&auid=1634085242.1702257243&uamb=0&uaw=0&data=event%3DProduct%20Viewed%3Bactive_annual_pass%3Dfalse%3Buser_locale%3Den-US%3Bnative_locale%3Den-US%2Cen%3Bplatform%3Dweb%3Bvisit_session_id%3D8d10745e-6b30-4ac8-9c9e-bccc71c0d83c%3Bcontent_type%3Dproduct%3Bname%3DMatthew%20Walker%20Teaches%20the%20Science%20of%20Better%20Sleep%3Bproduct_id%3D224%3Bprice%3D126.310604%3Bquantity%3D1%3Bcategory%3D12&fmt=3&ct_cookie_present=false&sscte=1&crd=&pscrd=Ek5DaEFJZ09EVnF3WVFsYWFnMU1UTzBNVU9FaVlBZ3NPcUMzVm85VE93Qms0dW9DVl9MeGJrbU9YdTc5WVVqUnJKbWRXZ083RExiS0YxSHcaWENoQUlnT0RWcXdZUXlPekF5ckRxNk5JM0VpNEFiZHkxZ2NqbGhjTnhHb1llUWhmeVd0UHJKQ3oxalJmMEFwNlVfTDh4ZGR6LW5OOHVnRTROaW9SVl9zdW4iEwjb5feymoaDAxWZUg0KHWiHBdw&is_vtc=1&ocp_id=XGJ2ZdvHFpmlNeiOluAN&cid=CAQSGwDICaaN5mIMbk3gXbhXqzTTiLrSgUzKdAqoJA&random=810757837&ipr=y

Request Chain 248

https://rp.liadm.com/j?dtstmp=1702257245262&se=e30&duid=18ad636bdbc2--01hhb70eyjbrt24wak9mpn5sgp&tna=v2.11.1&pu=https%3A%2F%2Fwww.masterclass.com%2Fclasses%2Fmatthew-walker-teaches-the-science-of-better-sleep%3Futm_source%3DEmail%26utm_medium%3DBlast%26utm_term%3DREMCAN%26utm_content%3D12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN%26utm_campaign%3DJShettyLaunchedLastWeek&wpn=lc-bundle HTTP 302
https://rp4.liadm.com/j?se=e30&duid=18ad636bdbc2--01hhb70eyjbrt24wak9mpn5sgp&tna=v2.11.1&dtstmp=1702257245262&n3pc=true&wpn=lc-bundle&pu=https%3A%2F%2Fwww.masterclass.com%2Fclasses%2Fmatthew-walker-teaches-the-science-of-better-sleep%3Futm_source%3DEmail%26utm_medium%3DBlast%26utm_term%3DREMCAN%26utm_content%3D12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN%26utm_campaign%3DJShettyLaunchedLastWeek&i6=MjAwMTo0OTU4OjE0MjA6MTVjOjoxNTA%3D

257 HTTP transactions
2 data transactions

Method
Protocol Status Resource
Path Size
x-fer Time
Latency Type
MIME-Type IP
Location

GET
H2

200

Primary Request matthew-walker-teaches-the-science-of-better-sleep Show response
www.masterclass.com/classes/
Redirect Chain

https://links.masterclass.com/a/click?_t=c862c12dcd894e7aaa5de2c182120673&_m=329d047763a441a1896d1e821efb75f1&_e=m7-fvBXdYPxneU2NoSCkO3p55SifFeXh79_UULYwHiHHJF1O5neR_fiOjOxJ73CKV01vglwFAIXjwbY6hzQV...
https://www.masterclass.com/course/207?utm_source=Email&utm_medium=Blast&utm_term=REMCAN&utm_content=12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN&utm_campaign=JShettyLau...
https://www.masterclass.com/classes/matthew-walker-teaches-the-science-of-better-sleep?utm_source=Email&utm_medium=Blast&utm_term=REMCAN&utm_content=12023_Email_Blast_ClassLaunch_JShettyClassLaunch...

376 KB
86 KB

189ms
189ms

Document
text/html

2606:4700::6810:a72f
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://www.masterclass.com/classes/matthew-walker-teaches-the-science-of-better-sleep?utm_source=Email&utm_medium=Blast&utm_term=REMCAN&utm_content=12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN&utm_campaign=JShettyLaunchedLastWeek

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700::6810:a72f , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare / Next.js

Resource Hash

95a4793d116906bceab8f1a0fa03cef6cdfe3c321373c9282a1772977bba8f03

Security Headers

Name	Value
Strict-Transport-Security	max-age=15724800; includeSubDomains
X-Content-Type-Options	nosniff
X-Frame-Options	DENY
X-Xss-Protection	1; mode=block

Request headers

Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36
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Response headers

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www.masterclass.com/_next/static/chunks/ 1 KB
737 B 133ms
133ms Script
application/javascript 2606:4700::6810:a72f
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General

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Show headers Download Go to

Full URL

https://www.masterclass.com/_next/static/chunks/9252.0c6dc16094c117cf.js

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Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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Response headers

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cf-ray: 8339de4c8a9439c6-YYZ
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GET
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www.masterclass.com/_next/static/chunks/ 1 KB
758 B 117ms
116ms Script
application/javascript 2606:4700::6810:a72f
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General

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Show headers Download Go to

Full URL

https://www.masterclass.com/_next/static/chunks/4735.436d6cc4e33f5855.js

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Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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Software

cloudflare /

Resource Hash

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Response headers

date: Mon, 11 Dec 2023 01:14:01 GMT
strict-transport-security: max-age=15724800; includeSubDomains
x-content-type-options: nosniff
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etag: W/"4a1-18c22214d28"
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content-type: application/javascript; charset=UTF-8
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cf-ray: 8339de4c8a9539c6-YYZ
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GET
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www.masterclass.com/_next/static/chunks/ 1 KB
871 B 118ms
117ms Script
application/javascript 2606:4700::6810:a72f
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General

Check archive.org

Show headers Download Go to

Full URL

https://www.masterclass.com/_next/static/chunks/1014.e75d1bda963175cb.js

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Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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Reverse DNS

Software

cloudflare /

Resource Hash

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Request headers

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Referer: https://www.masterclass.com/classes/matthew-walker-teaches-the-science-of-better-sleep?utm_source=Email&utm_medium=Blast&utm_term=REMCAN&utm_content=12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN&utm_campaign=JShettyLaunchedLastWeek
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

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cf-ray: 8339de4c8a9839c6-YYZ
expires: Tue, 10 Dec 2024 01:14:01 GMT

GET
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www.masterclass.com/_next/static/chunks/ 1 KB
770 B 110ms
109ms Script
application/javascript 2606:4700::6810:a72f
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://www.masterclass.com/_next/static/chunks/7981.48d25072c6a5de07.js

Requested by

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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Reverse DNS

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cloudflare /

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Request headers

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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

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cf-ray: 8339de4d9cdd39c6-YYZ
expires: Tue, 10 Dec 2024 01:14:01 GMT

GET
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www.masterclass.com/_next/static/chunks/ 1 KB
798 B 158ms
157ms Script
application/javascript 2606:4700::6810:a72f
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://www.masterclass.com/_next/static/chunks/3196.e7ddb1a2c0f168f5.js

Requested by

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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Reverse DNS

Software

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Request headers

accept-language: en-CA,en;q=0.9
Referer: https://www.masterclass.com/classes/matthew-walker-teaches-the-science-of-better-sleep?utm_source=Email&utm_medium=Blast&utm_term=REMCAN&utm_content=12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN&utm_campaign=JShettyLaunchedLastWeek
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

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cache-control: public, max-age=31536000
cf-ray: 8339de4dbd0d39c6-YYZ
expires: Tue, 10 Dec 2024 01:14:01 GMT

GET
H2 200 ZYJBTRubuHVDAMsw741Mt6P9
www.masterclass.com/course-images/attachments/ 69 KB
69 KB 159ms
158ms Image
image/webp 2606:4700::6810:a72f
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General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.masterclass.com/course-images/attachments/ZYJBTRubuHVDAMsw741Mt6P9?width=1920&quality=75&format=webp

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Security

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Server

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Software

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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

date: Mon, 11 Dec 2023 01:14:01 GMT
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cf-ray: 8339de4caaca39c6-YYZ

GET
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www.masterclass.com/course-images/attachments/ 3 KB
4 KB 158ms
157ms Image
image/webp 2606:4700::6810:a72f
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General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.masterclass.com/course-images/attachments/TYmdWHq5fveEebZUQSwrk5yQ?width=256&quality=75&format=webp

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Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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Software

cloudflare /

Resource Hash

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Request headers

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Response headers

date: Mon, 11 Dec 2023 01:14:01 GMT
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GET
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www.masterclass.com/course-images/attachments/ 137 KB
138 KB 159ms
159ms Image
image/webp 2606:4700::6810:a72f
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General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.masterclass.com/course-images/attachments/4NjPnU7YAQPgQ6mj17KyXe1u?width=1920&quality=75&format=webp

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Request headers

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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

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cf-ray: 8339de4dbd0f39c6-YYZ

GET
H2 401 current Show response
www.masterclass.com/jsonapi/v1/users/ 74 B
650 B 154ms
153ms Fetch
application/json 2606:4700::6810:a72f
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://www.masterclass.com/jsonapi/v1/users/current?deep=false

Requested by

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700::6810:a72f , United States, ASN13335 (CLOUDFLARENET, US),

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Resource Hash

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Response headers

date: Mon, 11 Dec 2023 01:14:01 GMT
strict-transport-security: max-age=15724800; includeSubDomains
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cf-cache-status: DYNAMIC
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cf-ray: 8339de4c8a9a39c6-YYZ

GET
H2 401 cart-data Show response
www.masterclass.com/jsonapi/v1/user/ 74 B
783 B 2295ms
2294ms Fetch
application/json 2606:4700::6810:a72f
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://www.masterclass.com/jsonapi/v1/user/cart-data?deep=true

Requested by

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700::6810:a72f , United States, ASN13335 (CLOUDFLARENET, US),

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cloudflare /

Resource Hash

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accept: application/json
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Response headers

date: Mon, 11 Dec 2023 01:14:03 GMT
strict-transport-security: max-age=15724800; includeSubDomains
x-content-type-options: nosniff
cf-cache-status: DYNAMIC
x-permitted-cross-domain-policies: none
x-xss-protection: 1; mode=block
x-request-id: e41d5213ecbd9e9d66af75d444868eab
x-runtime: 0.006589
server: cloudflare
x-download-options: noopen
x-frame-options: DENY
vary: Accept, Accept-Encoding, Origin
content-type: application/json
x-upstream: http://api_backend
cache-control: no-cache
cf-ray: 8339de4c9a9d39c6-YYZ

GET
H2 401 current Show response
www.masterclass.com/jsonapi/v1/users/ 74 B
665 B 162ms
161ms Fetch
application/json 2606:4700::6810:a72f
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://www.masterclass.com/jsonapi/v1/users/current?deep=false

Requested by

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700::6810:a72f , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

862f9989c51350d206b537e31746fd8df58400a0d1a5f728a0a35613d6b30a6a

Security Headers

Name	Value
Strict-Transport-Security	max-age=15724800; includeSubDomains
X-Content-Type-Options	nosniff
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X-Xss-Protection	1; mode=block

Request headers

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traceparent: 00-a5dd90e750dd9b228acc599270736290-ef788ee765323495-01
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content-type: application/json
accept: application/json
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Response headers

date: Mon, 11 Dec 2023 01:14:01 GMT
strict-transport-security: max-age=15724800; includeSubDomains
x-content-type-options: nosniff
cf-cache-status: DYNAMIC
x-permitted-cross-domain-policies: none
x-xss-protection: 1; mode=block
x-request-id: 5327ddf2acbedf991880337fc72a2d8e
x-runtime: 0.006485
server: cloudflare
x-download-options: noopen
x-frame-options: DENY
vary: Accept, Accept-Encoding, Origin
content-type: application/json
x-upstream: http://api_backend
cache-control: no-cache
cf-ray: 8339de4c9a9f39c6-YYZ

GET
H2 401 cart-data Show response
www.masterclass.com/jsonapi/v1/user/ 74 B
834 B 166ms
165ms Fetch
application/json 2606:4700::6810:a72f
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://www.masterclass.com/jsonapi/v1/user/cart-data?deep=true

Requested by

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700::6810:a72f , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

862f9989c51350d206b537e31746fd8df58400a0d1a5f728a0a35613d6b30a6a

Security Headers

Name	Value
Strict-Transport-Security	max-age=15724800; includeSubDomains
X-Content-Type-Options	nosniff
X-Frame-Options	DENY
X-Xss-Protection	1; mode=block

Request headers

tracestate: 981762@nr=0-1-981762-1809867345-79aa73100f321c63----1702257241007
traceparent: 00-7546476fd09c596574029c7f5786f6e0-79aa73100f321c63-01
accept-language: en-CA,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36
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content-type: application/json
accept: application/json
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Response headers

date: Mon, 11 Dec 2023 01:14:01 GMT
strict-transport-security: max-age=15724800; includeSubDomains
x-content-type-options: nosniff
cf-cache-status: DYNAMIC
x-permitted-cross-domain-policies: none
x-xss-protection: 1; mode=block
x-request-id: c60efe5f1806586a29a4f810b6c72b18
x-runtime: 0.009500
server: cloudflare
x-download-options: noopen
x-frame-options: DENY
vary: Accept, Accept-Encoding, Origin
content-type: application/json
x-upstream: http://api_backend
cache-control: no-cache
cf-ray: 8339de4c9aa139c6-YYZ

GET
H2 401 current Show response
www.masterclass.com/jsonapi/v1/users/ 74 B
860 B 147ms
145ms Fetch
application/json 2606:4700::6810:a72f
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://www.masterclass.com/jsonapi/v1/users/current?deep=false

Requested by

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700::6810:a72f , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

862f9989c51350d206b537e31746fd8df58400a0d1a5f728a0a35613d6b30a6a

Security Headers

Name	Value
Strict-Transport-Security	max-age=15724800; includeSubDomains
X-Content-Type-Options	nosniff
X-Frame-Options	DENY
X-Xss-Protection	1; mode=block

Request headers

tracestate: 981762@nr=0-1-981762-1809867345-b48f2fbf2937d46b----1702257241007
traceparent: 00-2a1a474bb0bd5d3062b2a54d821c26a0-b48f2fbf2937d46b-01
accept-language: en-CA,en;q=0.9
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content-type: application/json
accept: application/json
Referer: https://www.masterclass.com/classes/matthew-walker-teaches-the-science-of-better-sleep?utm_source=Email&utm_medium=Blast&utm_term=REMCAN&utm_content=12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN&utm_campaign=JShettyLaunchedLastWeek

Response headers

date: Mon, 11 Dec 2023 01:14:01 GMT
strict-transport-security: max-age=15724800; includeSubDomains
x-content-type-options: nosniff
cf-cache-status: DYNAMIC
x-permitted-cross-domain-policies: none
x-xss-protection: 1; mode=block
x-request-id: 53f093173618511d9865937fd2eb8593
x-runtime: 0.006622
server: cloudflare
x-download-options: noopen
x-frame-options: DENY
vary: Accept, Accept-Encoding, Origin
content-type: application/json
x-upstream: http://api_backend
cache-control: no-cache
cf-ray: 8339de4c9aa339c6-YYZ

GET
H2 401 cart-data Show response
www.masterclass.com/jsonapi/v1/user/ 74 B
629 B 147ms
146ms Fetch
application/json 2606:4700::6810:a72f
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://www.masterclass.com/jsonapi/v1/user/cart-data?deep=true

Requested by

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700::6810:a72f , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

862f9989c51350d206b537e31746fd8df58400a0d1a5f728a0a35613d6b30a6a

Security Headers

Name	Value
Strict-Transport-Security	max-age=15724800; includeSubDomains
X-Content-Type-Options	nosniff
X-Frame-Options	DENY
X-Xss-Protection	1; mode=block

Request headers

tracestate: 981762@nr=0-1-981762-1809867345-e661e1dce4291af2----1702257241008
traceparent: 00-dbb0cf694a70eafb8fed6bce6af942c0-e661e1dce4291af2-01
accept-language: en-CA,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36
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content-type: application/json
accept: application/json
Referer: https://www.masterclass.com/classes/matthew-walker-teaches-the-science-of-better-sleep?utm_source=Email&utm_medium=Blast&utm_term=REMCAN&utm_content=12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN&utm_campaign=JShettyLaunchedLastWeek

Response headers

date: Mon, 11 Dec 2023 01:14:01 GMT
strict-transport-security: max-age=15724800; includeSubDomains
x-content-type-options: nosniff
cf-cache-status: DYNAMIC
x-permitted-cross-domain-policies: none
x-xss-protection: 1; mode=block
x-request-id: c3941999436deecff2683085a8ad976c
x-runtime: 0.005706
server: cloudflare
x-download-options: noopen
x-frame-options: DENY
vary: Accept, Accept-Encoding, Origin
content-type: application/json
x-upstream: http://api_backend
cache-control: no-cache
cf-ray: 8339de4c9aad39c6-YYZ

GET
H2 401 current Show response
www.masterclass.com/jsonapi/v1/users/ 74 B
641 B 166ms
165ms Fetch
application/json 2606:4700::6810:a72f
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://www.masterclass.com/jsonapi/v1/users/current?deep=false

Requested by

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700::6810:a72f , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

862f9989c51350d206b537e31746fd8df58400a0d1a5f728a0a35613d6b30a6a

Security Headers

Name	Value
Strict-Transport-Security	max-age=15724800; includeSubDomains
X-Content-Type-Options	nosniff
X-Frame-Options	DENY
X-Xss-Protection	1; mode=block

Request headers

tracestate: 981762@nr=0-1-981762-1809867345-3c2786e5bbd12505----1702257241008
traceparent: 00-59be82b8de635760579562de4fe609d0-3c2786e5bbd12505-01
accept-language: en-CA,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36
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content-type: application/json
accept: application/json
Referer: https://www.masterclass.com/classes/matthew-walker-teaches-the-science-of-better-sleep?utm_source=Email&utm_medium=Blast&utm_term=REMCAN&utm_content=12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN&utm_campaign=JShettyLaunchedLastWeek

Response headers

date: Mon, 11 Dec 2023 01:14:01 GMT
strict-transport-security: max-age=15724800; includeSubDomains
x-content-type-options: nosniff
cf-cache-status: DYNAMIC
x-permitted-cross-domain-policies: none
x-xss-protection: 1; mode=block
x-request-id: 012ed1592861e33b7f0f5aae98a86305
x-runtime: 0.008746
server: cloudflare
x-download-options: noopen
x-frame-options: DENY
vary: Accept, Accept-Encoding, Origin
content-type: application/json
x-upstream: http://api_backend
cache-control: no-cache
cf-ray: 8339de4c9aae39c6-YYZ

GET
H2 401 cart-data Show response
www.masterclass.com/jsonapi/v1/user/ 74 B
667 B 196ms
195ms Fetch
application/json 2606:4700::6810:a72f
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://www.masterclass.com/jsonapi/v1/user/cart-data?deep=true

Requested by

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700::6810:a72f , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

862f9989c51350d206b537e31746fd8df58400a0d1a5f728a0a35613d6b30a6a

Security Headers

Name	Value
Strict-Transport-Security	max-age=15724800; includeSubDomains
X-Content-Type-Options	nosniff
X-Frame-Options	DENY
X-Xss-Protection	1; mode=block

Request headers

tracestate: 981762@nr=0-1-981762-1809867345-6c7af010f2d679d3----1702257241009
traceparent: 00-61e14a0927d61ea89b56868bfb7d8210-6c7af010f2d679d3-01
accept-language: en-CA,en;q=0.9
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content-type: application/json
accept: application/json
Referer: https://www.masterclass.com/classes/matthew-walker-teaches-the-science-of-better-sleep?utm_source=Email&utm_medium=Blast&utm_term=REMCAN&utm_content=12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN&utm_campaign=JShettyLaunchedLastWeek

Response headers

date: Mon, 11 Dec 2023 01:14:01 GMT
strict-transport-security: max-age=15724800; includeSubDomains
x-content-type-options: nosniff
cf-cache-status: DYNAMIC
x-permitted-cross-domain-policies: none
x-xss-protection: 1; mode=block
x-request-id: 9fc452cf9a5b9977aa34b82cd667a105
x-runtime: 0.006265
server: cloudflare
x-download-options: noopen
x-frame-options: DENY
vary: Accept, Accept-Encoding, Origin
content-type: application/json
x-upstream: http://api_backend
cache-control: no-cache
cf-ray: 8339de4caac839c6-YYZ

POST
H/1.1 200
OK browse Show response
ujjak2x1py-dsn.algolia.net/1/indexes/test_classes_sh/ 268 KB
67 KB 161ms
161ms XHR
application/json 209.58.135.36
LEASEWEB-USA-SFO

General

Check archive.org

Show headers Download Go to

Full URL

Requested by

Protocol

HTTP/1.1

Security

TLS 1.3, , AES_256_GCM

Server

209.58.135.36 Walnut Creek, United States, ASN7203 (LEASEWEB-USA-SFO, US),

Reverse DNS

Software

nginx /

Resource Hash

b6417ebc16170c64af322674185e563a21338b5dff8476b41067e4127ddde855

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000; includeSubDomains; preload
X-Content-Type-Options	nosniff

Request headers

x-algolia-application-id: UJJAK2X1PY
Referer: https://www.masterclass.com/
x-algolia-api-key: 200a495f09d8e72d4e93c3d15bd1c8dc
accept-language: en-CA,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36
content-type: application/x-www-form-urlencoded

Response headers

Date: Mon, 11 Dec 2023 01:14:01 GMT
Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
X-Content-Type-Options: nosniff
Accept-Encoding: deflate, gzip
Content-Encoding: gzip
Server: nginx
Transfer-Encoding: chunked
Content-Type: application/json; charset=UTF-8
Access-Control-Allow-Origin: *
Cache-Control: no-store
Content-Disposition: inline; filename=a.txt
Connection: keep-alive
Timing-Allow-Origin: *

POST
H/1.1 200
OK queries Show response
ujjak2x1py-dsn.algolia.net/1/indexes/*/ 109 KB
19 KB 162ms
161ms XHR
application/json 209.58.135.36
LEASEWEB-USA-SFO

General

Check archive.org

Show headers Download Go to

Full URL

Requested by

Protocol

HTTP/1.1

Security

TLS 1.3, , AES_256_GCM

Server

209.58.135.36 Walnut Creek, United States, ASN7203 (LEASEWEB-USA-SFO, US),

Reverse DNS

Software

nginx /

Resource Hash

d0118f52cf2ba3e383be8d3f8ac7ba40aebc739a20566ce5df1638aa1ace8bfe

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000; includeSubDomains; preload
X-Content-Type-Options	nosniff

Request headers

x-algolia-application-id: UJJAK2X1PY
Referer: https://www.masterclass.com/
x-algolia-api-key: 200a495f09d8e72d4e93c3d15bd1c8dc
accept-language: en-CA,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36
content-type: application/x-www-form-urlencoded

Response headers

Date: Mon, 11 Dec 2023 01:14:01 GMT
Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
X-Content-Type-Options: nosniff
Accept-Encoding: deflate, gzip
X-Alg-PT: 1
Server: nginx
Content-Encoding: gzip
Transfer-Encoding: chunked
Content-Type: application/json; charset=UTF-8
Access-Control-Allow-Origin: *
Cache-Control: no-store
Content-Disposition: inline; filename=a.txt
Connection: keep-alive
Timing-Allow-Origin: *

GET
H2 200 7238-792d5715b8aa0221.js
www.masterclass.com/_next/static/chunks/ 0
21 KB 143ms
143ms Other
application/javascript 2606:4700::6810:a72f
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://www.masterclass.com/_next/static/chunks/7238-792d5715b8aa0221.js

Requested by

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700::6810:a72f , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Security Headers

Name	Value
Strict-Transport-Security	max-age=15724800; includeSubDomains
X-Content-Type-Options	nosniff
X-Frame-Options	DENY
X-Xss-Protection	1; mode=block

Request headers

accept-language: en-CA,en;q=0.9
Referer: https://www.masterclass.com/classes/matthew-walker-teaches-the-science-of-better-sleep?utm_source=Email&utm_medium=Blast&utm_term=REMCAN&utm_content=12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN&utm_campaign=JShettyLaunchedLastWeek
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

date: Mon, 11 Dec 2023 01:14:01 GMT
strict-transport-security: max-age=15724800; includeSubDomains
x-content-type-options: nosniff
cf-cache-status: HIT
content-encoding: br
age: 454481
x-xss-protection: 1; mode=block
last-modified: Tue, 05 Dec 2023 16:43:35 GMT
server: cloudflare
etag: W/"11a4f-18c3add0ed8"
x-frame-options: DENY
vary: Accept-Encoding
content-type: application/javascript; charset=UTF-8
x-upstream: http://next_frontend
cache-control: public, max-age=31536000
cf-ray: 8339de509ae239c6-YYZ
expires: Tue, 10 Dec 2024 01:14:01 GMT

GET
H2 200 6669-15d9678beb01612c.js
www.masterclass.com/_next/static/chunks/ 0
10 KB 169ms
168ms Other
application/javascript 2606:4700::6810:a72f
CLOUDFLARENET

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Strict-Transport-Security	max-age=15780000
X-Content-Type-Options	nosniff

Request headers

Referer: https://www.masterclass.com/
Origin: https://www.masterclass.com
accept-language: en-CA,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

date: Mon, 11 Dec 2023 01:14:03 GMT
content-encoding: br
x-content-type-options: nosniff
cf-cache-status: HIT
nel: {"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
strict-transport-security: max-age=15780000
age: 995274
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=86400
content-length: 2977
last-modified: Mon, 04 May 2020 16:11:50 GMT
server: cloudflare
cf-cdnjs-via: cfworker/kv
etag: "5eb03ec6-2339"
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=P7xnvuCEp1tmaqGZi8TuXHdm7fdNtzI0Z9A3ItutsTy3D1%2FT9qUjGyDzRCDDL9N5NOxcGcKU1fFJ6uw4fU3gdoOJJwqOMf2SVtVkOqjK%2F8ej8QpgYArB3ryilcflt7MWazth%2BuHIL1h1cBH1lv7nEbmD"}],"group":"cf-nel","max_age":604800}
content-type: application/javascript; charset=utf-8
access-control-allow-origin: *
cache-control: public, max-age=30672000
accept-ranges: bytes
timing-allow-origin: *
cf-ray: 8339de5eaeed3739-YYZ
expires: Sat, 30 Nov 2024 01:14:03 GMT

GET
H2 200 A3406646-934a-4eb1-b7d7-053de9a77e471.js Show response
utt.impactcdn.com/ 43 KB
14 KB 418ms
82ms Script
text/javascript 35.186.249.72
GOOGLE

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Full URL: https://utt.impactcdn.com/A3406646-934a-4eb1-b7d7-053de9a77e471.js
Requested by: Host: www.masterclass.com
URL: https://www.masterclass.com/classes/matthew-walker-teaches-the-science-of-better-sleep?utm_source=Email&utm_medium=Blast&utm_term=REMCAN&utm_content=12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN&utm_campaign=JShettyLaunchedLastWeek
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 35.186.249.72 Kansas City, United States, ASN15169 (GOOGLE, US),
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Software: UploadServer /
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Request headers

accept-language: en-CA,en;q=0.9
Referer: https://www.masterclass.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

date: Mon, 11 Dec 2023 01:12:25 GMT
content-encoding: gzip
age: 98
x-guploader-uploadid: ABPtcPoapx0YqfhqADdzVlxewfbrkkIFkwcJ2OkquOTPaZZngwHkN6UG0Sz1XjOGnyqwkGTim_9UKLUKlE_sTAON3_aJV6RIGigQ
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server: UploadServer
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access-control-allow-origin: *
content-type: text/javascript; charset=utf-8
cache-control: public,max-age=900,s-maxage=300
x-goog-stored-content-length: 13874
accept-ranges: bytes
expires: Mon, 11 Dec 2023 01:17:25 GMT

GET
H2 200 events.js Show response
analytics.tiktok.com/i18n/pixel/ 5 KB
3 KB 519ms
164ms Script
application/javascript 23.48.4.139
AKAMAI-ASN1

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Full URL: https://analytics.tiktok.com/i18n/pixel/events.js?sdkid=CECERGRC77U8BHMF0VL0&lib=ttq
Requested by: Host: www.masterclass.com
URL: https://www.masterclass.com/classes/matthew-walker-teaches-the-science-of-better-sleep?utm_source=Email&utm_medium=Blast&utm_term=REMCAN&utm_content=12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN&utm_campaign=JShettyLaunchedLastWeek
Protocol: H2
Security: TLS 1.3, , AES_256_GCM
Server: 23.48.4.139 Chicago, United States, ASN20940 (AKAMAI-ASN1, NL),
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Software: nginx /
Resource Hash: ed913ee2a57021ccc06907b7debf3addaf00a320bd5070082e9c3cb784d36df5

Request headers

accept-language: en-CA,en;q=0.9
Referer: https://www.masterclass.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

x-akamai-request-id: 1c8087e9.3818ee72
date: Mon, 11 Dec 2023 01:14:03 GMT
content-encoding: gzip
x-tt-trace-tag: id=16;cdn-cache=miss;type=dyn
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server-timing: cdn-cache; desc=MISS, edge; dur=32, origin; dur=12, inner; dur=5
content-length: 1728
pragma: no-cache
server: nginx
x-tt-logid: 20231211011403EF9EF386DEBF4C9B9EA4
x-cache-remote: TCP_MISS from a23-48-100-8.deploy.akamaitechnologies.com (AkamaiGHost/11.3.2.1-52518411) (-)
vary: Accept-Encoding
content-type: application/javascript; charset=UTF-8
cache-control: max-age=0, no-cache, no-store
x-origin-response-time: 12,23.48.100.8
x-tt-trace-host: 016bff831a75e1f58448863d49b7e7569b0d7afc9bb7931fec9366c0c4ba93a47f50b22004610f8997467420429344ce14e0a7eec21fb826c8d396fb038c15dadb6c614e928b8d1bbb0a00a207baaa14c5d6c536163767e2434874e39c040488791fdf5c2e56534f5d842ce4dfb57a6167
expires: Mon, 11 Dec 2023 01:14:03 GMT

GET
H/1.1 200
OK ge.js Show response
s3-us-west-2.amazonaws.com/jsstore/a/9G7H3Q4/ 58 KB
59 KB 653ms
208ms Script
application/javascript 52.92.248.136
AMAZON-02

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Full URL: https://s3-us-west-2.amazonaws.com/jsstore/a/9G7H3Q4/ge.js
Requested by: Host: www.masterclass.com
URL: https://www.masterclass.com/classes/matthew-walker-teaches-the-science-of-better-sleep?utm_source=Email&utm_medium=Blast&utm_term=REMCAN&utm_content=12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN&utm_campaign=JShettyLaunchedLastWeek
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 52.92.248.136 Boardman, United States, ASN16509 (AMAZON-02, US),
Reverse DNS: s3-us-west-2.amazonaws.com
Software: AmazonS3 /
Resource Hash: 9b196566fffa62a9df3a4d9589cb2cf94c2bfa2a099bb22ee5f4784332daebf2

Request headers

accept-language: en-CA,en;q=0.9
Referer: https://www.masterclass.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

Date: Mon, 11 Dec 2023 01:14:05 GMT
Last-Modified: Tue, 14 Nov 2023 19:28:21 GMT
Server: AmazonS3
x-amz-request-id: VDR21H0ZXTVNW4B6
ETag: "40d6d9beb34cdde2b70a7de768a81799"
x-amz-server-side-encryption: AES256
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Expires: Thu, 14 Dec 2023 19:28:20 GMT

GET
H/1.1

200
OK

cnv
cnv.event.prod.bidr.io/log/
Redirect Chain

https://pixel.pointmediatracker.com/kpi?c=masterclass&kpi=visit&tag_id=159&fpc=8963b8c0-cc0c-43f9-acafa18f64cae959&user_id=undefined&utm_source=Email&utm_medium=Blast&utm_campaign=JShettyLaunchedLa...
https://cnv.event.prod.bidr.io/log/cnv?tag_id=159&buzz_key=blisspoint&value=masterclass&segment_key=&order=a3c88819-d465-46ff-aa9c-96e244974364.undefined&ord=714917501167978006
https://cnv.event.prod.bidr.io/log/cnv?tag_id=159&buzz_key=blisspoint&value=masterclass&segment_key=&order=a3c88819-d465-46ff-aa9c-96e244974364.undefined&ord=714917501167978006&_bee_ppp=1

43 B
796 B

95ms
95ms

Image
image/gif

54.160.169.234
AMAZON-AES

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Full URL

https://cnv.event.prod.bidr.io/log/cnv?tag_id=159&buzz_key=blisspoint&value=masterclass&segment_key=&order=a3c88819-d465-46ff-aa9c-96e244974364.undefined&ord=714917501167978006&_bee_ppp=1

Requested by

Protocol

HTTP/1.1

Server

54.160.169.234 , United States, ASN14618 (AMAZON-AES, US),

Reverse DNS

ec2-54-160-169-234.compute-1.amazonaws.com

Software

gunicorn /

Resource Hash

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Security Headers

Name	Value
Strict-Transport-Security	max-age=2592000; includeSubDomains

Request headers

accept-language: en-CA,en;q=0.9
Referer: https://www.masterclass.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

pragma: no-cache
Date: Mon, 11 Dec 2023 01:14:04 GMT
strict-transport-security: max-age=2592000; includeSubDomains
Server: gunicorn
content-type: image/gif
p3p: CP="This is not a P3P policy! See https://beeswax.com/privacy for more info."
cache-control: no-cache, must-revalidate
Connection: keep-alive
Content-Length: 43
expires: Fri, 01 Jan 1990 00:00:00 GMT

Redirect headers

location: https://cnv.event.prod.bidr.io/log/cnv?tag_id=159&buzz_key=blisspoint&value=masterclass&segment_key=&order=a3c88819-d465-46ff-aa9c-96e244974364.undefined&ord=714917501167978006&_bee_ppp=1
Date: Mon, 11 Dec 2023 01:14:04 GMT
strict-transport-security: max-age=2592000; includeSubDomains
Server: gunicorn
Connection: keep-alive
Content-Length: 0

GET t.png
tvspix.com/ 0
0

POST
H2 204 collect
analytics.google.com/g/ 0
257 B 639ms
214ms Ping
text/plain 2607:f8b0:4004:c07::64
GOOGLE

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Full URL: https://analytics.google.com/g/collect?v=2&tid=G-CKM9ZCCQBN&gtm=45je3bt0v9115597275&_p=1702257242615&_gaz=1&gcd=11l1l1l1l2&dma=0&cid=1103071970.1702257244&ul=en-us&sr=1600x1200&uaa=&uab=&uafvl=&uamb=0&uam=&uap=&uapv=&uaw=0&_s=1&ck=REMCAN&cs=Email&cn=JShettyLaunchedLastWeek&cm=Blast&cc=12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN&sid=1702257243&sct=1&seg=0&dl=https%3A%2F%2Fwww.masterclass.com%2Fclasses%2Fmatthew-walker-teaches-the-science-of-better-sleep%3Futm_source%3DEmail%26utm_medium%3DBlast%26utm_term%3DREMCAN%26utm_content%3D12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN%26utm_campaign%3DJShettyLaunchedLastWeek&dt=Matthew%20Walker%20Teaches%20the%20Science%20of%20Better%20Sleep&en=page_view&_fv=1&_ss=1&_ee=1&tfd=5117
Requested by: Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-CKM9ZCCQBN
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2607:f8b0:4004:c07::64 Washington, United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software: Golfe2 /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

accept-language: en-CA,en;q=0.9
Referer: https://www.masterclass.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

pragma: no-cache
date: Mon, 11 Dec 2023 01:14:04 GMT
server: Golfe2
content-type: text/plain
access-control-allow-origin: https://www.masterclass.com
cache-control: no-cache, no-store, must-revalidate
access-control-allow-credentials: true
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

POST
H2 204 collect
stats.g.doubleclick.net/g/ 0
248 B 619ms
205ms Ping
text/plain 2607:f8b0:4004:c09::9b
GOOGLE

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Full URL: https://stats.g.doubleclick.net/g/collect?v=2&tid=G-CKM9ZCCQBN&cid=1103071970.1702257244&gtm=45je3bt0v9115597275&aip=1&dma=0&gcd=11l1l1l1l2
Requested by: Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-CKM9ZCCQBN
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2607:f8b0:4004:c09::9b Ashburn, United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software: Golfe2 /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

accept-language: en-CA,en;q=0.9
Referer: https://www.masterclass.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

pragma: no-cache
date: Mon, 11 Dec 2023 01:14:04 GMT
server: Golfe2
content-type: text/plain
access-control-allow-origin: https://www.masterclass.com
cache-control: no-cache, no-store, must-revalidate
access-control-allow-credentials: true
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
H2 200 ga-audiences
www.google.ca/ads/ 42 B
408 B 632ms
235ms Image
image/gif 2607:f8b0:4004:c1b::5e
GOOGLE

General

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Full URL

https://www.google.ca/ads/ga-audiences?v=1&t=sr&slf_rd=1&_r=4&tid=G-CKM9ZCCQBN&cid=1103071970.1702257244&gtm=45je3bt0v9115597275&aip=1&dma=0&gcd=11l1l1l1l2&z=1846013799

Requested by

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2607:f8b0:4004:c1b::5e Washington, United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

cafe /

Resource Hash

ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629

Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Xss-Protection	0

Request headers

accept-language: en-CA,en;q=0.9
Referer: https://www.masterclass.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

pragma: no-cache
date: Mon, 11 Dec 2023 01:14:04 GMT
x-content-type-options: nosniff
server: cafe
content-type: image/gif
p3p: policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control: no-cache, no-store, must-revalidate
cross-origin-resource-policy: cross-origin
timing-allow-origin: *
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 42
x-xss-protection: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
H2 200 / Show response
googleads.g.doubleclick.net/pagead/viewthroughconversion/952839809/ 3 KB
2 KB 540ms
148ms Script
text/javascript 2607:f8b0:4004:c08::9a
GOOGLE

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Full URL

https://googleads.g.doubleclick.net/pagead/viewthroughconversion/952839809/?random=1702257243674&cv=11&fst=1702257243674&bg=ffffff&guid=ON&async=1&gtm=45be3bt0v876889216&gcd=11l1l1l1l1&dma=0&u_w=1600&u_h=1200&url=https%3A%2F%2Fwww.masterclass.com%2Fclasses%2Fmatthew-walker-teaches-the-science-of-better-sleep%3Futm_source%3DEmail%26utm_medium%3DBlast%26utm_term%3DREMCAN%26utm_content%3D12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN%26utm_campaign%3DJShettyLaunchedLastWeek&hn=www.googleadservices.com&frm=0&tiba=Matthew%20Walker%20Teaches%20the%20Science%20of%20Better%20Sleep&auid=1634085242.1702257243&uamb=0&uaw=0&data=event%3Dgtag.config&rfmt=3&fmt=4

Requested by

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2607:f8b0:4004:c08::9a Ashburn, United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

cafe /

Resource Hash

eb112ca163fa20520de543b07d9a7ece670bb4b9399d6fce18bac7de80026ac2

Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Xss-Protection	0

Request headers

accept-language: en-CA,en;q=0.9
Referer: https://www.masterclass.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

pragma: no-cache
date: Mon, 11 Dec 2023 01:14:04 GMT
content-encoding: br
x-content-type-options: nosniff
server: cafe
content-type: text/javascript; charset=UTF-8
p3p: policyref="https://googleads.g.doubleclick.net/pagead/gcn_p3p_.xml", CP="CURa ADMa DEVa TAIo PSAo PSDo OUR IND UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR"
cache-control: no-cache, must-revalidate
cross-origin-resource-policy: cross-origin
content-disposition: attachment; filename="f.txt"
timing-allow-origin: *
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 1417
x-xss-protection: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

POST
H2 200 collect Show response
www.google-analytics.com/j/ 15 B
162 B 163ms
162ms XHR
text/plain 2607:f8b0:4004:c06::8a
GOOGLE

General

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Full URL

https://www.google-analytics.com/j/collect?v=1&_v=j101&a=619277622&t=event&ni=0&_s=1&dl=https%3A%2F%2Fwww.masterclass.com%2Fclasses%2Fmatthew-walker-teaches-the-science-of-better-sleep%3Futm_source%3DEmail%26utm_medium%3DBlast%26utm_term%3DREMCAN%26utm_content%3D12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN%26utm_campaign%3DJShettyLaunchedLastWeek&ul=en-us&de=UTF-8&dt=Matthew%20Walker%20Teaches%20the%20Science%20of%20Better%20Sleep&sd=24-bit&sr=1600x1200&vp=1600x1200&je=0&cn=JShettyLaunchedLastWeek&cs=Email&cm=Blast&ck=REMCAN&cc=12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN&ec=All&ea=Experiment%20Viewed&ev=0&_u=KGBAgEABAAAAACAAIAB~&jid=1743002371&gjid=462192978&cid=1103071970.1702257244&tid=UA-78250207-2&_gid=2143067438.1702257244&_slc=1&z=338802432

Requested by

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2607:f8b0:4004:c06::8a Washington, United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Golfe2 /

Resource Hash

7c84162d7d190aaa73841763c42d05311be64033a1aac8b953b33ca36edd3bef

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

Referer: https://www.masterclass.com/
accept-language: en-CA,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36
Content-Type: text/plain

Response headers

pragma: no-cache
date: Mon, 11 Dec 2023 01:14:03 GMT
x-content-type-options: nosniff
last-modified: Sun, 17 May 1998 03:00:00 GMT
server: Golfe2
content-type: text/plain
access-control-allow-origin: https://www.masterclass.com
cache-control: no-cache, no-store, must-revalidate
access-control-allow-credentials: true
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 15
expires: Fri, 01 Jan 1990 00:00:00 GMT

POST
H2 200 collect Show response
stats.g.doubleclick.net/j/ 4 B
151 B 596ms
206ms XHR
text/plain 2607:f8b0:4004:c09::9b
GOOGLE

General

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Show headers Download Go to

Full URL

https://stats.g.doubleclick.net/j/collect?t=dc&aip=1&_r=3&v=1&_v=j101&tid=UA-78250207-2&cid=1103071970.1702257244&jid=1743002371&gjid=462192978&_gid=2143067438.1702257244&_u=KGBAgEABAAAAAGAAIAB~&z=182685933

Requested by

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2607:f8b0:4004:c09::9b Ashburn, United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Golfe2 /

Resource Hash

8685bca4bb29a8a8289c3effd282cb8718a7d14da65f1397481f213b15469f50

Security Headers

Name	Value
Strict-Transport-Security	max-age=10886400; includeSubDomains; preload
X-Content-Type-Options	nosniff

Request headers

Referer: https://www.masterclass.com/
accept-language: en-CA,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36
Content-Type: text/plain

Response headers

pragma: no-cache
strict-transport-security: max-age=10886400; includeSubDomains; preload
date: Mon, 11 Dec 2023 01:14:04 GMT
x-content-type-options: nosniff
last-modified: Sun, 17 May 1998 03:00:00 GMT
server: Golfe2
content-type: text/plain
access-control-allow-origin: https://www.masterclass.com
cache-control: no-cache, no-store, must-revalidate
access-control-allow-credentials: true
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 4
expires: Fri, 01 Jan 1990 00:00:00 GMT

POST t
api.segment.io/v1/ 0
0

GET
H2 200 collect
www.google-analytics.com/ 35 B
194 B 128ms
127ms Image
image/gif 2607:f8b0:4004:c06::8a
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.google-analytics.com/collect?v=1&_v=j101&a=619277622&t=event&ni=0&_s=2&dl=https%3A%2F%2Fwww.masterclass.com%2Fclasses%2Fmatthew-walker-teaches-the-science-of-better-sleep%3Futm_source%3DEmail%26utm_medium%3DBlast%26utm_term%3DREMCAN%26utm_content%3D12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN%26utm_campaign%3DJShettyLaunchedLastWeek&ul=en-us&de=UTF-8&dt=Matthew%20Walker%20Teaches%20the%20Science%20of%20Better%20Sleep&sd=24-bit&sr=1600x1200&vp=1600x1200&je=0&cn=JShettyLaunchedLastWeek&cs=Email&cm=Blast&ck=REMCAN&cc=12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN&ec=All&ea=Experiment%20Viewed&ev=0&_u=KGBAgEABAAAAAGAAIAB~&jid=&gjid=&cid=1103071970.1702257244&tid=UA-78250207-2&_gid=2143067438.1702257244&z=319613549

Requested by

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2607:f8b0:4004:c06::8a Washington, United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Golfe2 /

Resource Hash

8337212354871836e6763a41e615916c89bac5b3f1f0adf60ba43c7c806e1015

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

accept-language: en-CA,en;q=0.9
Referer: https://www.masterclass.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

pragma: no-cache
date: Sun, 10 Dec 2023 18:02:32 GMT
x-content-type-options: nosniff
last-modified: Sun, 17 May 1998 03:00:00 GMT
server: Golfe2
age: 25891
content-type: image/gif
access-control-allow-origin: *
cache-control: no-cache, no-store, must-revalidate
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 35
expires: Mon, 01 Jan 1990 00:00:00 GMT

POST t
api.segment.io/v1/ 0
0

GET
H2 200 collect
www.google-analytics.com/ 35 B
91 B 146ms
145ms Image
image/gif 2607:f8b0:4004:c06::8a
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.google-analytics.com/collect?v=1&_v=j101&a=619277622&t=event&ni=0&_s=3&dl=https%3A%2F%2Fwww.masterclass.com%2Fclasses%2Fmatthew-walker-teaches-the-science-of-better-sleep%3Futm_source%3DEmail%26utm_medium%3DBlast%26utm_term%3DREMCAN%26utm_content%3D12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN%26utm_campaign%3DJShettyLaunchedLastWeek&ul=en-us&de=UTF-8&dt=Matthew%20Walker%20Teaches%20the%20Science%20of%20Better%20Sleep&sd=24-bit&sr=1600x1200&vp=1600x1200&je=0&cn=JShettyLaunchedLastWeek&cs=Email&cm=Blast&ck=REMCAN&cc=12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN&ec=All&ea=Experiment%20Viewed&ev=0&_u=KGBAgEABAAAAAGAAIAB~&jid=&gjid=&cid=1103071970.1702257244&tid=UA-78250207-2&_gid=2143067438.1702257244&z=1095997220

Requested by

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2607:f8b0:4004:c06::8a Washington, United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Golfe2 /

Resource Hash

8337212354871836e6763a41e615916c89bac5b3f1f0adf60ba43c7c806e1015

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

accept-language: en-CA,en;q=0.9
Referer: https://www.masterclass.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

pragma: no-cache
date: Sun, 10 Dec 2023 18:02:32 GMT
x-content-type-options: nosniff
last-modified: Sun, 17 May 1998 03:00:00 GMT
server: Golfe2
age: 25891
content-type: image/gif
access-control-allow-origin: *
cache-control: no-cache, no-store, must-revalidate
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 35
expires: Mon, 01 Jan 1990 00:00:00 GMT

POST
H2 200 t Show response
api.segment.io/v1/ 21 B
177 B 623ms
217ms Fetch
application/json 44.234.198.184
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://api.segment.io/v1/t

Requested by

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

44.234.198.184 Boardman, United States, ASN16509 (AMAZON-02, US),

Reverse DNS

ec2-44-234-198-184.us-west-2.compute.amazonaws.com

Software

Resource Hash

12f71cb993958eefc4bdb41d7dbbda490779a9c7aba448f7be52bb63912e0254

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000

Request headers

Referer: https://www.masterclass.com/
accept-language: en-CA,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36
Content-Type: text/plain

Response headers

access-control-allow-origin: https://www.masterclass.com
date: Mon, 11 Dec 2023 01:14:04 GMT
strict-transport-security: max-age=31536000
content-length: 21
vary: Origin
content-type: application/json

GET
H2 200 ec.js Show response
www.google-analytics.com/plugins/ua/ 3 KB
1 KB 136ms
136ms Script
text/javascript 2607:f8b0:4004:c06::8a
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.google-analytics.com/plugins/ua/ec.js

Requested by

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2607:f8b0:4004:c06::8a Washington, United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

sffe /

Resource Hash

058ed961bfe422af7bfc65865f4c08531ec8ace995f8a1ec560a46581cb7712c

Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Xss-Protection	0

Request headers

accept-language: en-CA,en;q=0.9
Referer: https://www.masterclass.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

date: Mon, 11 Dec 2023 00:14:46 GMT
content-encoding: br
x-content-type-options: nosniff
age: 3557
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 1129
x-xss-protection: 0
last-modified: Tue, 27 Jun 2023 17:28:00 GMT
server: sffe
vary: Accept-Encoding
report-to: {"group":"static-on-bigtable","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/static-on-bigtable"}]}
content-type: text/javascript
cache-control: public, max-age=3600
accept-ranges: bytes
cross-origin-opener-policy-report-only: same-origin; report-to="static-on-bigtable"
expires: Mon, 11 Dec 2023 01:14:46 GMT

GET
H2 200 / Show response
www.googleadservices.com/pagead/conversion/952839809/ 3 KB
2 KB 422ms
117ms Script
text/javascript 172.253.63.154
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.googleadservices.com/pagead/conversion/952839809/?random=1702257243746&cv=11&fst=1702257243746&bg=ffffff&guid=ON&async=1&gtm=45be3bt0v876889216&gcd=11l1l1l1l1&dma=0&u_w=1600&u_h=1200&url=https%3A%2F%2Fwww.masterclass.com%2Fclasses%2Fmatthew-walker-teaches-the-science-of-better-sleep%3Futm_source%3DEmail%26utm_medium%3DBlast%26utm_term%3DREMCAN%26utm_content%3D12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN%26utm_campaign%3DJShettyLaunchedLastWeek&label=oHZMCPGuhvUYEIHdrMYD&hn=www.googleadservices.com&frm=0&tiba=Matthew%20Walker%20Teaches%20the%20Science%20of%20Better%20Sleep&gtm_ee=1&auid=1634085242.1702257243&uamb=0&uaw=0&data=event%3DProduct%20Viewed%3Bactive_annual_pass%3Dfalse%3Buser_locale%3Den-US%3Bnative_locale%3Den-US%2Cen%3Bplatform%3Dweb%3Bvisit_session_id%3D8d10745e-6b30-4ac8-9c9e-bccc71c0d83c%3Bcontent_type%3Dproduct%3Bname%3DMatthew%20Walker%20Teaches%20the%20Science%20of%20Better%20Sleep%3Bproduct_id%3D224%3Bprice%3D126.310604%3Bquantity%3D1%3Bcategory%3D12&rfmt=3&fmt=4

Requested by

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

172.253.63.154 , United States, ASN15169 (GOOGLE, US),

Reverse DNS

bi-in-f154.1e100.net

Software

cafe /

Resource Hash

61aa62e45dd5301a376d87b01867a5f9e8c545a3965a7474640f05dc0b4744ef

Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Xss-Protection	0

Request headers

accept-language: en-CA,en;q=0.9
Referer: https://www.masterclass.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

pragma: no-cache
date: Mon, 11 Dec 2023 01:14:04 GMT
content-encoding: br
x-content-type-options: nosniff
server: cafe
content-type: text/javascript; charset=UTF-8
p3p: policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control: no-cache, must-revalidate
cross-origin-resource-policy: cross-origin
content-disposition: attachment; filename="f.txt"
timing-allow-origin: *
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 1889
x-xss-protection: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

POST
H2 200 t Show response
api.segment.io/v1/ 21 B
176 B 597ms
218ms Fetch
application/json 44.234.198.184
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://api.segment.io/v1/t

Requested by

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

44.234.198.184 Boardman, United States, ASN16509 (AMAZON-02, US),

Reverse DNS

ec2-44-234-198-184.us-west-2.compute.amazonaws.com

Software

Resource Hash

12f71cb993958eefc4bdb41d7dbbda490779a9c7aba448f7be52bb63912e0254

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000

Request headers

Referer: https://www.masterclass.com/
accept-language: en-CA,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36
Content-Type: text/plain

Response headers

access-control-allow-origin: https://www.masterclass.com
date: Mon, 11 Dec 2023 01:14:04 GMT
strict-transport-security: max-age=31536000
content-length: 21
vary: Origin
content-type: application/json

POST
H2 200 t Show response
api.segment.io/v1/ 21 B
176 B 590ms
219ms Fetch
application/json 44.234.198.184
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://api.segment.io/v1/t

Requested by

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

44.234.198.184 Boardman, United States, ASN16509 (AMAZON-02, US),

Reverse DNS

ec2-44-234-198-184.us-west-2.compute.amazonaws.com

Software

Resource Hash

12f71cb993958eefc4bdb41d7dbbda490779a9c7aba448f7be52bb63912e0254

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000

Request headers

Referer: https://www.masterclass.com/
accept-language: en-CA,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36
Content-Type: text/plain

Response headers

access-control-allow-origin: https://www.masterclass.com
date: Mon, 11 Dec 2023 01:14:04 GMT
strict-transport-security: max-age=31536000
content-length: 21
vary: Origin
content-type: application/json

POST
H2 200 i Show response
api.segment.io/v1/ 21 B
176 B 573ms
217ms Fetch
application/json 44.234.198.184
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://api.segment.io/v1/i

Requested by

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

44.234.198.184 Boardman, United States, ASN16509 (AMAZON-02, US),

Reverse DNS

ec2-44-234-198-184.us-west-2.compute.amazonaws.com

Software

Resource Hash

12f71cb993958eefc4bdb41d7dbbda490779a9c7aba448f7be52bb63912e0254

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000

Request headers

Referer: https://www.masterclass.com/
accept-language: en-CA,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36
Content-Type: text/plain

Response headers

access-control-allow-origin: https://www.masterclass.com
date: Mon, 11 Dec 2023 01:14:04 GMT
strict-transport-security: max-age=31536000
content-length: 21
vary: Origin
content-type: application/json

GET
H2 200 / Show response
www.googleadservices.com/pagead/conversion/952839809/ 4 KB
2 KB 386ms
112ms Script
text/javascript 172.253.63.154
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.googleadservices.com/pagead/conversion/952839809/?random=1702257243792&cv=11&fst=1702257243792&bg=ffffff&guid=ON&async=1&gtm=45be3bt0v876889216&gcd=11l1l1l1l1&dma=0&u_w=1600&u_h=1200&url=https%3A%2F%2Fwww.masterclass.com%2Fclasses%2Fmatthew-walker-teaches-the-science-of-better-sleep%3Futm_source%3DEmail%26utm_medium%3DBlast%26utm_term%3DREMCAN%26utm_content%3D12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN%26utm_campaign%3DJShettyLaunchedLastWeek&label=z4NLCOWD7NEBEIHdrMYD&hn=www.googleadservices.com&frm=0&tiba=Matthew%20Walker%20Teaches%20the%20Science%20of%20Better%20Sleep&gtm_ee=1&auid=1634085242.1702257243&uamb=0&uaw=0&data=event%3DCourse%20Marketing%3Bpath%3D%2Fclasses%2Fmatthew-walker-teaches-the-science-of-better-sleep%3Breferrer%3D%3Bsearch%3D%3Futm_source%5C%3DEmail%26utm_medium%5C%3DBlast%26utm_term%5C%3DREMCAN%26utm_content%5C%3D12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN%26utm_campaign%5C%3DJShettyLaunchedLastWeek%3Btitle%3DMatthew%20Walker%20Teaches%20the%20Science%20of%20Better%20Sleep%3Burl%3Dhttps%3A%2F%2Fwww.masterclass.com%2Fclasses%2Fmatthew-walker-teaches-the-science-of-better-sleep%3Futm_source%5C%3DEmail%26utm_medium%5C%3DBlast%26utm_term%5C%3DREMCAN%26utm_content%5C%3D12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN%26utm_campaign%5C%3DJShettyLaunchedLastWeek%3Bplatform%3Dnext%3Buser_locale%3Den-US%3Bnative_locale%3Den-US%2Cen%3Bvisit_session_id%3D8d10745e-6b30-4ac8-9c9e-bccc71c0d83c%3Bname%3DCourse%20Marketing&rfmt=3&fmt=4

Requested by

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

172.253.63.154 , United States, ASN15169 (GOOGLE, US),

Reverse DNS

bi-in-f154.1e100.net

Software

cafe /

Resource Hash

8c77a1c2fdf0cbbf22d83c646b61b84f66bc8387264ae06523f8e377e21c5893

Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Xss-Protection	0

Request headers

accept-language: en-CA,en;q=0.9
Referer: https://www.masterclass.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

pragma: no-cache
date: Mon, 11 Dec 2023 01:14:04 GMT
content-encoding: br
x-content-type-options: nosniff
server: cafe
content-type: text/javascript; charset=UTF-8
p3p: policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control: no-cache, must-revalidate
cross-origin-resource-policy: cross-origin
content-disposition: attachment; filename="f.txt"
timing-allow-origin: *
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 1897
x-xss-protection: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

POST
H2 200 p Show response
api.segment.io/v1/ 21 B
176 B 551ms
218ms Fetch
application/json 44.234.198.184
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://api.segment.io/v1/p

Requested by

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

44.234.198.184 Boardman, United States, ASN16509 (AMAZON-02, US),

Reverse DNS

ec2-44-234-198-184.us-west-2.compute.amazonaws.com

Software

Resource Hash

12f71cb993958eefc4bdb41d7dbbda490779a9c7aba448f7be52bb63912e0254

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000

Request headers

Referer: https://www.masterclass.com/
accept-language: en-CA,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36
Content-Type: text/plain

Response headers

access-control-allow-origin: https://www.masterclass.com
date: Mon, 11 Dec 2023 01:14:04 GMT
strict-transport-security: max-age=31536000
content-length: 21
vary: Origin
content-type: application/json

GET
H2 200 663261977135355 Show response
connect.facebook.net/signals/config/ 134 KB
35 KB 155ms
154ms Script
application/x-javascript 2a03:2880:f07d:0:face:b00c:0:3
FACEBOOK

General

Check archive.org

Show headers Download Go to

Full URL

https://connect.facebook.net/signals/config/663261977135355?v=2.9.138&r=stable&domain=www.masterclass.com

Requested by

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a03:2880:f07d:0:face:b00c:0:3 Apodaca, Mexico, ASN32934 (FACEBOOK, US),

Reverse DNS

Software

Resource Hash

bb948bf4c8ad753c9e9863296d99d6507b3a1999db8daaafd1c6d0226de9d851

Security Headers

Name	Value
Content-Security-Policy	default-src * data: blob: 'self';script-src .facebook.com .fbcdn.net .facebook.net .google-analytics.com .google.com 127.0.0.1: 'unsafe-inline' 'unsafe-eval' blob: data: 'self';style-src data: blob: 'unsafe-inline' ;connect-src .facebook.com facebook.com .fbcdn.net .facebook.net wss://.facebook.com: wss://.whatsapp.com: wss://.fbcdn.net attachment.fbsbx.com ws://localhost: blob: *.cdninstagram.com 'self';block-all-mixed-content;upgrade-insecure-requests;require-trusted-types-for 'script';
Strict-Transport-Security	max-age=31536000; preload; includeSubDomains
X-Content-Type-Options	nosniff
X-Frame-Options	DENY
X-Xss-Protection	0

Request headers

accept-language: en-CA,en;q=0.9
Referer: https://www.masterclass.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

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Server

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Reverse DNS

Software

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Response headers

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Full URL

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Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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Show headers Download Go to

Full URL

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Security

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2 KB 158ms
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Full URL

https://www.masterclass.com/_next/static/css/ee965f7be1ffb867.css

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Security

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Full URL

https://www.googletagmanager.com/gtag/js?id=G-TXTKCL3651&cx=c&_slc=1

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Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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GET
H2 200 collect
www.google-analytics.com/ 35 B
91 B 213ms
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GOOGLE

General

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Full URL

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Security

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Server

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Reverse DNS

Software

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Security Headers

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Request headers

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Response headers

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GET
H2 200 collect
www.google-analytics.com/ 35 B
91 B 213ms
212ms Image
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GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.google-analytics.com/collect?v=1&_v=j101&a=619277622&t=event&ni=0&cu=USD&_s=5&dl=https%3A%2F%2Fwww.masterclass.com%2Fclasses%2Fmatthew-walker-teaches-the-science-of-better-sleep%3Futm_source%3DEmail%26utm_medium%3DBlast%26utm_term%3DREMCAN%26utm_content%3D12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN%26utm_campaign%3DJShettyLaunchedLastWeek&ul=en-us&de=UTF-8&dt=Matthew%20Walker%20Teaches%20the%20Science%20of%20Better%20Sleep&sd=24-bit&sr=1600x1200&vp=1600x1200&je=0&cn=JShettyLaunchedLastWeek&cs=Email&cm=Blast&ck=REMCAN&cc=12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN&ec=All&ea=Core%20Web%20Vital&ev=1268&_u=aGBAgEIJAAAAAGAMIAB~&jid=&gjid=&cid=1103071970.1702257244&tid=UA-78250207-2&_gid=2143067438.1702257244&z=720226477

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Server

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Software

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Security Headers

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Request headers

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Response headers

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GET
H2 200 collect
www.google-analytics.com/ 35 B
91 B 214ms
213ms Image
image/gif 2607:f8b0:4004:c06::8a
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.google-analytics.com/collect?v=1&_v=j101&a=619277622&t=pageview&cu=USD&_s=6&dl=https%3A%2F%2Fwww.masterclass.com%2Fclasses%2Fmatthew-walker-teaches-the-science-of-better-sleep%3Futm_source%3DEmail%26utm_medium%3DBlast%26utm_term%3DREMCAN%26utm_content%3D12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN%26utm_campaign%3DJShettyLaunchedLastWeek&dp=%2Fclasses%2Fmatthew-walker-teaches-the-science-of-better-sleep&ul=en-us&de=UTF-8&dt=Course%20Marketing&sd=24-bit&sr=1600x1200&vp=1600x1200&je=0&cn=JShettyLaunchedLastWeek&cs=Email&cm=Blast&ck=REMCAN&cc=12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN&_u=aGBAgEIJAAAAAGgOIAB~&jid=&gjid=&cid=1103071970.1702257244&tid=UA-78250207-2&_gid=2143067438.1702257244&z=844968161

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Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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Reverse DNS

Software

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Security Headers

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Request headers

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Response headers

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expires: Mon, 01 Jan 1990 00:00:00 GMT

GET
H2 200 collect
www.google-analytics.com/ 35 B
91 B 214ms
213ms Image
image/gif 2607:f8b0:4004:c06::8a
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.google-analytics.com/collect?v=1&_v=j101&a=619277622&t=event&ni=1&cu=USD&_s=7&dl=https%3A%2F%2Fwww.masterclass.com%2Fclasses%2Fmatthew-walker-teaches-the-science-of-better-sleep%3Futm_source%3DEmail%26utm_medium%3DBlast%26utm_term%3DREMCAN%26utm_content%3D12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN%26utm_campaign%3DJShettyLaunchedLastWeek&dp=%2Fclasses%2Fmatthew-walker-teaches-the-science-of-better-sleep&ul=en-us&de=UTF-8&dt=Course%20Marketing&sd=24-bit&sr=1600x1200&vp=1600x1200&je=0&cn=JShettyLaunchedLastWeek&cs=Email&cm=Blast&ck=REMCAN&cc=12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN&ec=All&ea=Viewed%20Course%20Marketing%20Page&ev=0&_u=aGBAgEIJAAAAAGgOIAD~&jid=&gjid=&cid=1103071970.1702257244&tid=UA-78250207-2&_gid=2143067438.1702257244&z=149411136

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Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2607:f8b0:4004:c06::8a Washington, United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Golfe2 /

Resource Hash

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Security Headers

Name	Value
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Request headers

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Response headers

pragma: no-cache
date: Sun, 10 Dec 2023 18:02:32 GMT
x-content-type-options: nosniff
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server: Golfe2
age: 25891
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expires: Mon, 01 Jan 1990 00:00:00 GMT

GET
H2 200 /
www.facebook.com/tr/ 0
185 B 713ms
244ms Image
text/plain 2a03:2880:f171:81:face:b00c:0:25de
FACEBOOK

General

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Show headers Download Go to Show image

Full URL

https://www.facebook.com/tr/?id=663261977135355&ev=PageView&dl=https%3A%2F%2Fwww.masterclass.com%2Fclasses%2Fmatthew-walker-teaches-the-science-of-better-sleep%3Futm_source%3DEmail%26utm_medium%3DBlast%26utm_term%3DREMCAN%26utm_content%3D12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN%26utm_campaign%3DJShettyLaunchedLastWeek&rl=&if=false&ts=1702257244007&sw=1600&sh=1200&v=2.9.138&r=stable&a=seg&ec=0&o=4125&fbp=fb.1.1702257244006.854061131&ler=empty&it=1702257243819&coo=false&dpo=LDU&dpoco=0&dpost=0&eid=ajs-next-fd612780533a7cf2e9c8f00d340bcbaf&rqm=GET

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Security

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Server

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Software

proxygen-bolt /

Resource Hash

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Security Headers

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Request headers

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Response headers

strict-transport-security: max-age=31536000; includeSubDomains
date: Mon, 11 Dec 2023 01:14:04 GMT
server: proxygen-bolt
content-type: text/plain
access-control-allow-origin
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POST
H2 204 collect
analytics.google.com/g/ 0
54 B 128ms
126ms Ping
text/plain 2607:f8b0:4004:c07::64
GOOGLE

General

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POST
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GOOGLE

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Full URL: https://stats.g.doubleclick.net/g/collect?v=2&tid=G-TXTKCL3651&cid=1103071970.1702257244&gtm=45je3bt0v9135202525&aip=1&dma=0&gcd=11l1l1l1l2
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Response headers

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GOOGLE

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Full URL

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Security

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AMAZON-02

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Full URL

https://api.amplitude.com/

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Protocol

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AKAMAI-ASN1

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AKAMAI-AS

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AMAZON-02

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AMAZON-02

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Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2073:c000:3:760:2800:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: caa849b179befa2645a8e2c474d2e82a76777a3305315ece911013e8ee9a916c

Request headers

accept-language: en-CA,en;q=0.9
Referer: https://www.masterclass.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

date: Sun, 10 Dec 2023 07:20:00 GMT
via: 1.1 ec8b1bfbf511818c606f196b49f871e2.cloudfront.net (CloudFront)
x-amz-cf-pop: IAD50-C2
age: 64445
x-cache: Hit from cloudfront
content-length: 43
last-modified: Wed, 08 Mar 2017 06:19:28 GMT
server: AmazonS3
etag: "fb02f374b8f73825415db1bccd4bd76d"
access-control-max-age: 3000
access-control-allow-methods: GET
content-type: image/gif
access-control-allow-origin: *
vary: Origin,Access-Control-Request-Headers,Access-Control-Request-Method
accept-ranges: bytes
x-amz-cf-id: 0PoaXHQ7S8V6MRAhF_DlleiLCNtT5e5WF5q-g5G7lo7TQpkzPtkbtg==

GET
H2 200 5a28e627 Show response
d1lu3pmaz2ilpx.cloudfront.net/ 43 B
450 B 625ms
197ms XHR
image/gif 2600:9000:215f:a400:17:f683:1d40:21
AMAZON-02

General

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Show headers Download Go to

Full URL: https://d1lu3pmaz2ilpx.cloudfront.net/5a28e627?data=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%3D&date=1702257244308
Requested by: Host: www.masterclass.com
URL: https://www.masterclass.com/classes/matthew-walker-teaches-the-science-of-better-sleep?utm_source=Email&utm_medium=Blast&utm_term=REMCAN&utm_content=12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN&utm_campaign=JShettyLaunchedLastWeek
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:215f:a400:17:f683:1d40:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: caa849b179befa2645a8e2c474d2e82a76777a3305315ece911013e8ee9a916c

Request headers

accept-language: en-CA,en;q=0.9
Referer: https://www.masterclass.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

date: Sun, 10 Dec 2023 13:24:26 GMT
via: 1.1 f7da5d3db9ee44e1812f138a4bdfd564.cloudfront.net (CloudFront)
x-amz-cf-pop: YUL62-C2
age: 42591
x-cache: Hit from cloudfront
content-length: 43
last-modified: Wed, 08 Mar 2017 06:19:28 GMT
server: AmazonS3
etag: "fb02f374b8f73825415db1bccd4bd76d"
access-control-max-age: 3000
access-control-allow-methods: GET
content-type: image/gif
access-control-allow-origin: *
vary: Origin
accept-ranges: bytes
x-amz-cf-id: kv9lnw3K78Dtim6TffE3r1Ft2krHDq1utTk2xCOc5h4rq5U8ZOOePA==

GET
H/1.1 200
OK up_loader.1.1.0.js Show response
js.adsrvr.org/ 5 KB
3 KB 378ms
82ms Script
application/x-javascript 3.161.209.109
AMAZON-02

General

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Full URL: https://js.adsrvr.org/up_loader.1.1.0.js
Requested by: Host: www.masterclass.com
URL: https://www.masterclass.com/classes/matthew-walker-teaches-the-science-of-better-sleep?utm_source=Email&utm_medium=Blast&utm_term=REMCAN&utm_content=12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN&utm_campaign=JShettyLaunchedLastWeek
Protocol: HTTP/1.1
Security: TLS 1.3, , AES_128_GCM
Server: 3.161.209.109 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-3-161-209-109.yul62.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: 899663bfeab6b11842c974c2417dc0ad88bd79bb7510b1e032384ccf2618dcc1

Request headers

accept-language: en-CA,en;q=0.9
Referer: https://www.masterclass.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

Date: Sun, 10 Dec 2023 03:37:37 GMT
Content-Encoding: gzip
Via: 1.1 905aa3bc80ce385e5945d99189fc1eac.cloudfront.net (CloudFront)
Last-Modified: Thu, 30 Nov 2023 03:37:28 GMT
Server: AmazonS3
X-Amz-Cf-Pop: YUL62-P1
Age: 77788
ETag: W/"b7474eac210849250426a8f6a39d00f3"
x-amz-server-side-encryption: AES256
Transfer-Encoding: chunked
Vary: Accept-Encoding
Content-Type: application/x-javascript
X-Cache: Hit from cloudfront
Connection: keep-alive
X-Amz-Cf-Id: JOwCi_AmfyN5LGKFIy1U2BlHwA9vG6GJtvxI1P4NV7kPNwBf8RG19g==

GET
H/1.1

200
OK

associate-segment
segment.prod.bidr.io/
Redirect Chain

https://segment.prod.bidr.io/associate-segment?buzz_key=tatari&segment_key=tatari-958&value=&uncacheplz=9620810725
https://segment.prod.bidr.io/associate-segment?buzz_key=tatari&segment_key=tatari-958&value=&uncacheplz=9620810725&_bee_ppp=1

43 B
560 B

96ms
96ms

Image
image/gif

54.145.103.184
AMAZON-AES

General

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Full URL

https://segment.prod.bidr.io/associate-segment?buzz_key=tatari&segment_key=tatari-958&value=&uncacheplz=9620810725&_bee_ppp=1

Requested by

Protocol

HTTP/1.1

Server

54.145.103.184 Ashburn, United States, ASN14618 (AMAZON-AES, US),

Reverse DNS

ec2-54-145-103-184.compute-1.amazonaws.com

Software

gunicorn /

Resource Hash

dcecab1355b5c2b9ecef281322bf265ac5840b4688748586e9632b473a5fe56b

Security Headers

Name	Value
Strict-Transport-Security	max-age=2592000; includeSubDomains

Request headers

accept-language: en-CA,en;q=0.9
Referer: https://www.masterclass.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

pragma: no-cache
Date: Mon, 11 Dec 2023 01:14:05 GMT
strict-transport-security: max-age=2592000; includeSubDomains
Server: gunicorn
content-type: image/gif
p3p: CP="This is not a P3P policy! See https://beeswax.com/privacy for more info."
cache-control: no-cache, must-revalidate
Connection: keep-alive
Content-Length: 43
expires: Fri, 01 Jan 1990 00:00:00 GMT

Redirect headers

location: https://segment.prod.bidr.io/associate-segment?buzz_key=tatari&segment_key=tatari-958&value=&uncacheplz=9620810725&_bee_ppp=1
Date: Mon, 11 Dec 2023 01:14:05 GMT
strict-transport-security: max-age=2592000; includeSubDomains
Server: gunicorn
Connection: keep-alive
Content-Length: 0

GET
H2 200 ga-audiences
www.google.com/ads/ 42 B
408 B 546ms
136ms Image
image/gif 2607:f8b0:4004:c07::68
GOOGLE

General

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Full URL

https://www.google.com/ads/ga-audiences?t=sr&aip=1&_r=4&slf_rd=1&v=1&_v=j101&tid=UA-78250207-2&cid=1103071970.1702257244&jid=1743002371&_u=KGBAgEABAAAAAGAAIAB~&z=1945009348

Requested by

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2607:f8b0:4004:c07::68 Washington, United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

cafe /

Resource Hash

ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629

Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Xss-Protection	0

Request headers

accept-language: en-CA,en;q=0.9
Referer: https://www.masterclass.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

pragma: no-cache
date: Mon, 11 Dec 2023 01:14:04 GMT
x-content-type-options: nosniff
server: cafe
content-type: image/gif
p3p: policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control: no-cache, no-store, must-revalidate
cross-origin-resource-policy: cross-origin
timing-allow-origin: *
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 42
x-xss-protection: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
H2 200 ga-audiences
www.google.ca/ads/ 42 B
107 B 146ms
145ms Image
image/gif 2607:f8b0:4004:c1b::5e
GOOGLE

General

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Full URL

https://www.google.ca/ads/ga-audiences?t=sr&aip=1&_r=4&slf_rd=1&v=1&_v=j101&tid=UA-78250207-2&cid=1103071970.1702257244&jid=1743002371&_u=KGBAgEABAAAAAGAAIAB~&z=1945009348

Requested by

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2607:f8b0:4004:c1b::5e Washington, United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

cafe /

Resource Hash

ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629

Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Xss-Protection	0

Request headers

accept-language: en-CA,en;q=0.9
Referer: https://www.masterclass.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

pragma: no-cache
date: Mon, 11 Dec 2023 01:14:04 GMT
x-content-type-options: nosniff
server: cafe
content-type: image/gif
p3p: policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control: no-cache, no-store, must-revalidate
cross-origin-resource-policy: cross-origin
timing-allow-origin: *
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 42
x-xss-protection: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
H2 200 identify_bb163.js Show response
analytics.tiktok.com/i18n/pixel/static/ 135 KB
36 KB 118ms
118ms Script
application/javascript 23.48.4.139
AKAMAI-ASN1

General

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Show headers Download Go to

Full URL: https://analytics.tiktok.com/i18n/pixel/static/identify_bb163.js
Requested by: Host: www.masterclass.com
URL: https://www.masterclass.com/classes/matthew-walker-teaches-the-science-of-better-sleep?utm_source=Email&utm_medium=Blast&utm_term=REMCAN&utm_content=12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN&utm_campaign=JShettyLaunchedLastWeek
Protocol: H2
Security: TLS 1.3, , AES_256_GCM
Server: 23.48.4.139 Chicago, United States, ASN20940 (AKAMAI-ASN1, NL),
Reverse DNS: a23-48-4-139.deploy.static.akamaitechnologies.com
Software: nginx /
Resource Hash: a1d4b01843b9dad68a10bba7ab416fb60cbe6052a223f6bd74cbad286b812b2a

Request headers

accept-language: en-CA,en;q=0.9
Referer: https://www.masterclass.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

x-akamai-request-id: 3818f97f
date: Mon, 11 Dec 2023 01:14:04 GMT
content-encoding: gzip
x-tt-trace-tag: id=16;cdn-cache=hit;type=static
server: nginx
x-tt-logid: 20231208081454E0A77E0D2F054EB706CB
x-tt-trace-id: 00-231208081454E0A77E0D2F054EB706CB-40FB16D8439A39C0-00
vary: Accept-Encoding
x-cache: TCP_MEM_HIT from a23-47-205-139.deploy.akamaitechnologies.com (AkamaiGHost/11.3.3-52660090) (-)
content-type: application/javascript; charset=UTF-8
cache-control: public, max-age=31536000, immutable
x-tt-trace-host: 016a2bc9355b23434ab5c72bccb7842c99b425761d0e1361fb0ea200031d2c65202c0b0c0e2e3306bbbd23133ec27793e3614223a75881538dd0066c8bd2beb5575f31b6e014cdd27291a47a05793b2cecfd727b366720ac87c865bb43f7f6e4a3
server-timing: cdn-cache; desc=HIT, edge; dur=0, inner; dur=2
content-length: 35991

POST
H2 200 pixel
analytics.tiktok.com/api/v2/ 0
845 B 200ms
200ms Ping
text/plain 23.48.4.139
AKAMAI-ASN1

General

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Full URL: https://analytics.tiktok.com/api/v2/pixel
Requested by: Host: analytics.tiktok.com
URL: https://analytics.tiktok.com/i18n/pixel/static/main.MTdjYzNiZDU2MQ.js
Protocol: H2
Security: TLS 1.3, , AES_256_GCM
Server: 23.48.4.139 Chicago, United States, ASN20940 (AKAMAI-ASN1, NL),
Reverse DNS: a23-48-4-139.deploy.static.akamaitechnologies.com
Software: nginx /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer: https://www.masterclass.com/
accept-language: en-CA,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36
Content-Type: text/plain;charset=UTF-8

Response headers

x-akamai-request-id: 6c1c71f.3818fa7b
date: Mon, 11 Dec 2023 01:14:04 GMT
x-tt-trace-tag: id=16;cdn-cache=miss;type=dyn
x-tt-trace-id: 00-231211011404A049FBFDCCCFCA9FE7F9-08D3F3EB9225C6A4-00
x-cache: TCP_MISS from a23-47-205-139.deploy.akamaitechnologies.com (AkamaiGHost/11.3.3-52660090) (-)
x-parent-response-time: 73,23.47.205.139
server-timing: cdn-cache; desc=MISS, edge; dur=46, origin; dur=53, inner; dur=51
content-length: 0
pragma: no-cache
server: nginx
x-tt-logid: 20231211011404A049FBFDCCCFCA9FE7F9
x-cache-remote: TCP_MISS from a23-48-100-13.deploy.akamaitechnologies.com (AkamaiGHost/11.3.2.1-52518411) (-)
access-control-allow-methods: GET,POST,PUT,PATCH,DELETE,HEAD,OPTIONS,UPDATE
access-control-allow-origin: *
cache-control: max-age=0, no-cache, no-store
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access-control-allow-headers: Authorization,*
expires: Mon, 11 Dec 2023 01:14:04 GMT

POST
H2 200 pixel
analytics.tiktok.com/api/v2/ 0
847 B 161ms
161ms Ping
text/plain 23.48.4.139
AKAMAI-ASN1

General

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Full URL: https://analytics.tiktok.com/api/v2/pixel
Requested by: Host: analytics.tiktok.com
URL: https://analytics.tiktok.com/i18n/pixel/static/main.MTdjYzNiZDU2MQ.js
Protocol: H2
Security: TLS 1.3, , AES_256_GCM
Server: 23.48.4.139 Chicago, United States, ASN20940 (AKAMAI-ASN1, NL),
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Software: nginx /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer: https://www.masterclass.com/
accept-language: en-CA,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36
Content-Type: text/plain;charset=UTF-8

Response headers

x-akamai-request-id: b5379ffb.3818facd
date: Mon, 11 Dec 2023 01:14:04 GMT
x-tt-trace-tag: id=16;cdn-cache=miss;type=dyn
x-tt-trace-id: 00-231211011404A1047D8CB7B79CEB20D8-2937D1BC7E12563C-00
x-cache: TCP_MISS from a23-47-205-139.deploy.akamaitechnologies.com (AkamaiGHost/11.3.3-52660090) (-)
x-parent-response-time: 55,23.47.205.139
server-timing: cdn-cache; desc=MISS, edge; dur=26, origin; dur=34, inner; dur=31
content-length: 0
pragma: no-cache
server: nginx
x-tt-logid: 20231211011404A1047D8CB7B79CEB20D8
x-cache-remote: TCP_MISS from a23-218-220-146.deploy.akamaitechnologies.com (AkamaiGHost/11.3.2.1-52518411) (-)
access-control-allow-methods: GET,POST,PUT,PATCH,DELETE,HEAD,OPTIONS,UPDATE
access-control-allow-origin: *
cache-control: max-age=0, no-cache, no-store
x-origin-response-time: 35,23.218.220.146
x-tt-trace-host: 016bff831a75e1f58448863d49b7e7569b0d7afc9bb7931fec9366c0c4ba93a47f2f7498063639f4a633347c2e64a56bf5034da982f2a20e67a79ba2dcf4b0804b52ccc6015d71beaa8fd6c12763130e6e186d14087579964d298dcaf3e0a6ec262296ed12873689f581ab58afbb772e43
access-control-allow-headers: Authorization,*
expires: Mon, 11 Dec 2023 01:14:04 GMT

GET
H3

200

/
www.google.ca/pagead/1p-conversion/952839809/
Redirect Chain

https://googleads.g.doubleclick.net/pagead/viewthroughconversion/952839809/?random=24303363&cv=11&fst=1702257243792&bg=ffffff&guid=ON&async=1&gtm=45be3bt0v876889216&gcd=11l1l1l1l1&dma=0&u_w=1600&u_...
https://www.google.com/pagead/1p-conversion/952839809/?random=24303363&cv=11&fst=1702257243792&bg=ffffff&guid=ON&async=1&gtm=45be3bt0v876889216&gcd=11l1l1l1l1&dma=0&u_w=1600&u_h=1200&url=https%3A%2...
https://www.google.ca/pagead/1p-conversion/952839809/?random=24303363&cv=11&fst=1702257243792&bg=ffffff&guid=ON&async=1&gtm=45be3bt0v876889216&gcd=11l1l1l1l1&dma=0&u_w=1600&u_h=1200&url=https%3A%2F...

42 B
64 B

134ms
134ms

Image
image/gif

2607:f8b0:4004:c1b::5e
GOOGLE

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Full URL

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Protocol

Server

2607:f8b0:4004:c1b::5e Washington, United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

cafe /

Resource Hash

ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629

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Request headers

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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

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content-security-policy: script-src 'none'; object-src 'none'
x-content-type-options: nosniff
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content-type: image/gif
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Redirect headers

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content-length: 42
x-xss-protection: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
H3

200

/
www.google.ca/pagead/1p-conversion/952839809/
Redirect Chain

https://googleads.g.doubleclick.net/pagead/viewthroughconversion/952839809/?random=580547117&cv=11&fst=1702257243746&bg=ffffff&guid=ON&async=1&gtm=45be3bt0v876889216&gcd=11l1l1l1l1&dma=0&u_w=1600&u...
https://www.google.com/pagead/1p-conversion/952839809/?random=580547117&cv=11&fst=1702257243746&bg=ffffff&guid=ON&async=1&gtm=45be3bt0v876889216&gcd=11l1l1l1l1&dma=0&u_w=1600&u_h=1200&url=https%3A%...
https://www.google.ca/pagead/1p-conversion/952839809/?random=580547117&cv=11&fst=1702257243746&bg=ffffff&guid=ON&async=1&gtm=45be3bt0v876889216&gcd=11l1l1l1l1&dma=0&u_w=1600&u_h=1200&url=https%3A%2...

42 B
64 B

136ms
136ms

Image
image/gif

2607:f8b0:4004:c1b::5e
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.google.ca/pagead/1p-conversion/952839809/?random=580547117&cv=11&fst=1702257243746&bg=ffffff&guid=ON&async=1&gtm=45be3bt0v876889216&gcd=11l1l1l1l1&dma=0&u_w=1600&u_h=1200&url=https%3A%2F%2Fwww.masterclass.com%2Fclasses%2Fmatthew-walker-teaches-the-science-of-better-sleep%3Futm_source%3DEmail%26utm_medium%3DBlast%26utm_term%3DREMCAN%26utm_content%3D12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN%26utm_campaign%3DJShettyLaunchedLastWeek&label=oHZMCPGuhvUYEIHdrMYD&hn=www.googleadservices.com&frm=0&tiba=Matthew%20Walker%20Teaches%20the%20Science%20of%20Better%20Sleep&gtm_ee=1&auid=1634085242.1702257243&uamb=0&uaw=0&data=event%3DProduct%20Viewed%3Bactive_annual_pass%3Dfalse%3Buser_locale%3Den-US%3Bnative_locale%3Den-US%2Cen%3Bplatform%3Dweb%3Bvisit_session_id%3D8d10745e-6b30-4ac8-9c9e-bccc71c0d83c%3Bcontent_type%3Dproduct%3Bname%3DMatthew%20Walker%20Teaches%20the%20Science%20of%20Better%20Sleep%3Bproduct_id%3D224%3Bprice%3D126.310604%3Bquantity%3D1%3Bcategory%3D12&fmt=3&ct_cookie_present=false&sscte=1&crd=&pscrd=Ek5DaEFJZ09EVnF3WVFsYWFnMU1UTzBNVU9FaVlBZ3NPcUMzVm85VE93Qms0dW9DVl9MeGJrbU9YdTc5WVVqUnJKbWRXZ083RExiS0YxSHcaWENoQUlnT0RWcXdZUXlPekF5ckRxNk5JM0VpNEFiZHkxZ2NqbGhjTnhHb1llUWhmeVd0UHJKQ3oxalJmMEFwNlVfTDh4ZGR6LW5OOHVnRTROaW9SVl9zdW4iEwjb5feymoaDAxWZUg0KHWiHBdw&is_vtc=1&ocp_id=XGJ2ZdvHFpmlNeiOluAN&cid=CAQSGwDICaaN5mIMbk3gXbhXqzTTiLrSgUzKdAqoJA&random=810757837&ipr=y

Requested by

Protocol

Server

2607:f8b0:4004:c1b::5e Washington, United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

cafe /

Resource Hash

ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629

Security Headers

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Request headers

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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

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date: Mon, 11 Dec 2023 01:14:05 GMT
content-security-policy: script-src 'none'; object-src 'none'
x-content-type-options: nosniff
server: cafe
content-type: image/gif
p3p: policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control: no-cache, no-store, must-revalidate
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timing-allow-origin: *
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 42
x-xss-protection: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

Redirect headers

pragma: no-cache
date: Mon, 11 Dec 2023 01:14:04 GMT
content-security-policy: script-src 'none'; object-src 'none'
x-content-type-options: nosniff
server: cafe
p3p: policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
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content-length: 42
x-xss-protection: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
H2 200 /
www.google.com/pagead/1p-user-list/952839809/ 42 B
108 B 471ms
160ms Image
image/gif 2607:f8b0:4004:c07::68
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.google.com/pagead/1p-user-list/952839809/?random=1702257243674&cv=11&fst=1702256400000&bg=ffffff&guid=ON&async=1&gtm=45be3bt0v876889216&u_w=1600&u_h=1200&url=https%3A%2F%2Fwww.masterclass.com%2Fclasses%2Fmatthew-walker-teaches-the-science-of-better-sleep%3Futm_source%3DEmail%26utm_medium%3DBlast%26utm_term%3DREMCAN%26utm_content%3D12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN%26utm_campaign%3DJShettyLaunchedLastWeek&frm=0&tiba=Matthew%20Walker%20Teaches%20the%20Science%20of%20Better%20Sleep&data=event%3Dgtag.config&fmt=3&is_vtc=1&cid=CAQSGwDICaaNMwJW9UrwSuL-Z0Mutk0ct8K9tQTmZg&random=3092197126&rmt_tld=0&ipr=y

Requested by

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2607:f8b0:4004:c07::68 Washington, United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

cafe /

Resource Hash

ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629

Security Headers

Name	Value
Content-Security-Policy	script-src 'none'; object-src 'none'
X-Content-Type-Options	nosniff
X-Xss-Protection	0

Request headers

accept-language: en-CA,en;q=0.9
Referer: https://www.masterclass.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

pragma: no-cache
date: Mon, 11 Dec 2023 01:14:04 GMT
content-security-policy: script-src 'none'; object-src 'none'
x-content-type-options: nosniff
server: cafe
content-type: image/gif
p3p: policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control: no-cache, no-store, must-revalidate
cross-origin-resource-policy: cross-origin
timing-allow-origin: *
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 42
x-xss-protection: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
H2 200 /
www.google.ca/pagead/1p-user-list/952839809/ 42 B
154 B 146ms
145ms Image
image/gif 2607:f8b0:4004:c1b::5e
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.google.ca/pagead/1p-user-list/952839809/?random=1702257243674&cv=11&fst=1702256400000&bg=ffffff&guid=ON&async=1&gtm=45be3bt0v876889216&u_w=1600&u_h=1200&url=https%3A%2F%2Fwww.masterclass.com%2Fclasses%2Fmatthew-walker-teaches-the-science-of-better-sleep%3Futm_source%3DEmail%26utm_medium%3DBlast%26utm_term%3DREMCAN%26utm_content%3D12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN%26utm_campaign%3DJShettyLaunchedLastWeek&frm=0&tiba=Matthew%20Walker%20Teaches%20the%20Science%20of%20Better%20Sleep&data=event%3Dgtag.config&fmt=3&is_vtc=1&cid=CAQSGwDICaaNMwJW9UrwSuL-Z0Mutk0ct8K9tQTmZg&random=3092197126&rmt_tld=1&ipr=y

Requested by

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2607:f8b0:4004:c1b::5e Washington, United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

cafe /

Resource Hash

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Security Headers

Name	Value
Content-Security-Policy	script-src 'none'; object-src 'none'
X-Content-Type-Options	nosniff
X-Xss-Protection	0

Request headers

accept-language: en-CA,en;q=0.9
Referer: https://www.masterclass.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

pragma: no-cache
date: Mon, 11 Dec 2023 01:14:04 GMT
content-security-policy: script-src 'none'; object-src 'none'
x-content-type-options: nosniff
server: cafe
content-type: image/gif
p3p: policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control: no-cache, no-store, must-revalidate
cross-origin-resource-policy: cross-origin
timing-allow-origin: *
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 42
x-xss-protection: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

POST
H2 200 act
analytics.tiktok.com/api/v2/pixel/ 0
842 B 205ms
204ms Ping
text/plain 23.48.4.139
AKAMAI-ASN1

General

Check archive.org

Show headers Download Go to

Full URL: https://analytics.tiktok.com/api/v2/pixel/act
Requested by: Host: analytics.tiktok.com
URL: https://analytics.tiktok.com/i18n/pixel/static/main.MTdjYzNiZDU2MQ.js
Protocol: H2
Security: TLS 1.3, , AES_256_GCM
Server: 23.48.4.139 Chicago, United States, ASN20940 (AKAMAI-ASN1, NL),
Reverse DNS: a23-48-4-139.deploy.static.akamaitechnologies.com
Software: nginx /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer: https://www.masterclass.com/
accept-language: en-CA,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36
Content-Type: text/plain;charset=UTF-8

Response headers

x-akamai-request-id: 6c1ccfa.3818ff32
date: Mon, 11 Dec 2023 01:14:04 GMT
x-tt-trace-tag: id=16;cdn-cache=miss;type=dyn
x-tt-trace-id: 00-2312110114046BD343E1F9CE8EA66D02-5AEF88389CCE2B8D-00
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x-parent-response-time: 87,23.47.205.139
server-timing: cdn-cache; desc=MISS, edge; dur=47, origin; dur=70, inner; dur=67
content-length: 0
pragma: no-cache
server: nginx
x-tt-logid: 202312110114046BD343E1F9CE8EA66D02
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access-control-allow-methods: GET,POST,PUT,PATCH,DELETE,HEAD,OPTIONS,UPDATE
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access-control-allow-headers: Authorization,*
expires: Mon, 11 Dec 2023 01:14:04 GMT

GET
H2 204 0
bat.bing.com/action/ 0
121 B 109ms
109ms Image
text/plain 2620:1ec:c11::200
MICROSOFT-CORP-MS...

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://bat.bing.com/action/0?ti=5563574&Ver=2&mid=09def7aa-a1d9-4ecf-aa7e-e124ae694589&sid=92dedbb097c211eeb22bbb6d6216f71b&vid=92df174097c211eea2fb41fea0586af6&vids=0&msclkid=N&ea=track&el=Product%20Viewed&ec=12&el2=Product%20Viewed&p=https%3A%2F%2Fwww.masterclass.com%2Fclasses%2Fmatthew-walker-teaches-the-science-of-better-sleep&sw=1600&sh=1200&sc=24&evt=custom&rn=456854

Requested by

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_256_GCM

Server

2620:1ec:c11::200 , United States, ASN8068 (MICROSOFT-CORP-MSN-AS-BLOCK, US),

Reverse DNS

Software

Resource Hash

e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000; includeSubDomains; preload

Request headers

accept-language: en-CA,en;q=0.9
Referer: https://www.masterclass.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

pragma: no-cache
strict-transport-security: max-age=31536000; includeSubDomains; preload
date: Mon, 11 Dec 2023 01:14:04 GMT
accept-ch: Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
x-msedge-ref: Ref A: 2B37AD1B98D34404B72BCA8214A7BC38 Ref B: YTO01EDGE0715 Ref C: 2023-12-11T01:14:04Z
x-cache: CONFIG_NOCACHE
access-control-allow-origin: *
cache-control: no-cache, must-revalidate
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
H2 200 pixie
ib.adnxs.com/ 42 B
224 B 497ms
180ms Image
image/gif 68.67.161.182
ASN-APPNEX

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://ib.adnxs.com/pixie?e=PageView&pi=70ee76fc-8190-4f12-9751-1d38d6022946&it=1702257244933&v=0.0.20&u=https%3A%2F%2Fwww.masterclass.com%2Fclasses%2Fmatthew-walker-teaches-the-science-of-better-sleep%3Futm_source%3DEmail%26utm_medium%3DBlast%26utm_term%3DREMCAN%26utm_content%3D12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN%26utm_campaign%3DJShettyLaunchedLastWeek&st=1702257244932&et=1702257244933&if=0
Requested by: Host: www.masterclass.com
URL: https://www.masterclass.com/classes/matthew-walker-teaches-the-science-of-better-sleep?utm_source=Email&utm_medium=Blast&utm_term=REMCAN&utm_content=12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN&utm_campaign=JShettyLaunchedLastWeek
Protocol: H2
Security: TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server: 68.67.161.182 Jersey City, United States, ASN29990 (ASN-APPNEX, US),
Reverse DNS: 797.bm-nginx-loadbalancer.mgmt.nym2.adnexus.net
Software: nginx/1.21.3 /
Resource Hash: ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629

Request headers

accept-language: en-CA,en;q=0.9
Referer: https://www.masterclass.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

date: Mon, 11 Dec 2023 01:14:05 GMT
cache-control: no-cache, no-store, must-revalidate
server: nginx/1.21.3
x-proxy-origin: 70.28.97.150; 70.28.97.150; 797.bm-nginx-loadbalancer.mgmt.nym2.adnexus.net; adnxs.com
content-length: 42
content-type: image/gif

GET
H2

200

j Show response
rp4.liadm.com/
Redirect Chain

https://rp.liadm.com/j?dtstmp=1702257245262&se=e30&duid=18ad636bdbc2--01hhb70eyjbrt24wak9mpn5sgp&tna=v2.11.1&pu=https%3A%2F%2Fwww.masterclass.com%2Fclasses%2Fmatthew-walker-teaches-the-science-of-b...
https://rp4.liadm.com/j?se=e30&duid=18ad636bdbc2--01hhb70eyjbrt24wak9mpn5sgp&tna=v2.11.1&dtstmp=1702257245262&n3pc=true&wpn=lc-bundle&pu=https%3A%2F%2Fwww.masterclass.com%2Fclasses%2Fmatthew-walker...

13 B
319 B

512ms
167ms

XHR
application/json

3.228.152.77
AMAZON-AES

General

Check archive.org

Show headers Download Go to

Full URL: https://rp4.liadm.com/j?se=e30&duid=18ad636bdbc2--01hhb70eyjbrt24wak9mpn5sgp&tna=v2.11.1&dtstmp=1702257245262&n3pc=true&wpn=lc-bundle&pu=https%3A%2F%2Fwww.masterclass.com%2Fclasses%2Fmatthew-walker-teaches-the-science-of-better-sleep%3Futm_source%3DEmail%26utm_medium%3DBlast%26utm_term%3DREMCAN%26utm_content%3D12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN%26utm_campaign%3DJShettyLaunchedLastWeek&i6=MjAwMTo0OTU4OjE0MjA6MTVjOjoxNTA%3D
Requested by: Host: www.masterclass.com
URL: https://www.masterclass.com/classes/matthew-walker-teaches-the-science-of-better-sleep?utm_source=Email&utm_medium=Blast&utm_term=REMCAN&utm_content=12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN&utm_campaign=JShettyLaunchedLastWeek
Protocol: H2
Server: 3.228.152.77 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-3-228-152-77.compute-1.amazonaws.com
Software: /
Resource Hash: efabba3678b85fcab831b778ea2ddaad1e2a1e952584d3566bc39b7ccb3429d9

Request headers

accept-language: en-CA,en;q=0.9
Referer: https://www.masterclass.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

date: Mon, 11 Dec 2023 01:14:06 GMT
x-pixel-event-id: 7bf66539-49e4-4a55-9b73-d6816d0b67ee
access-control-allow-methods: GET
content-type: application/json
access-control-allow-origin: null
access-control-expose-headers: *
access-control-allow-credentials: true
content-length: 13

Redirect headers

location: https://rp4.liadm.com/j?se=e30&duid=18ad636bdbc2--01hhb70eyjbrt24wak9mpn5sgp&tna=v2.11.1&dtstmp=1702257245262&n3pc=true&wpn=lc-bundle&pu=https%3A%2F%2Fwww.masterclass.com%2Fclasses%2Fmatthew-walker-teaches-the-science-of-better-sleep%3Futm_source%3DEmail%26utm_medium%3DBlast%26utm_term%3DREMCAN%26utm_content%3D12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN%26utm_campaign%3DJShettyLaunchedLastWeek&i6=MjAwMTo0OTU4OjE0MjA6MTVjOjoxNTA%3D
access-control-allow-origin: https://www.masterclass.com
date: Mon, 11 Dec 2023 01:14:05 GMT
access-control-expose-headers: *
access-control-allow-credentials: true
content-length: 0
access-control-allow-methods: GET

POST
H2 200 t Show response
api.segment.io/v1/ 21 B
176 B 195ms
195ms Fetch
application/json 44.234.198.184
AMAZON-02

General

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Show headers Download Go to

Full URL

https://api.segment.io/v1/t

Requested by

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

44.234.198.184 Boardman, United States, ASN16509 (AMAZON-02, US),

Reverse DNS

ec2-44-234-198-184.us-west-2.compute.amazonaws.com

Software

Resource Hash

12f71cb993958eefc4bdb41d7dbbda490779a9c7aba448f7be52bb63912e0254

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000

Request headers

Referer: https://www.masterclass.com/
accept-language: en-CA,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36
Content-Type: text/plain

Response headers

access-control-allow-origin: https://www.masterclass.com
date: Mon, 11 Dec 2023 01:14:06 GMT
strict-transport-security: max-age=31536000
content-length: 21
vary: Origin
content-type: application/json

POST
H2 200 t Show response
api.segment.io/v1/ 21 B
176 B 135ms
134ms Fetch
application/json 44.234.198.184
AMAZON-02

General

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Show headers Download Go to

Full URL

https://api.segment.io/v1/t

Requested by

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

44.234.198.184 Boardman, United States, ASN16509 (AMAZON-02, US),

Reverse DNS

ec2-44-234-198-184.us-west-2.compute.amazonaws.com

Software

Resource Hash

12f71cb993958eefc4bdb41d7dbbda490779a9c7aba448f7be52bb63912e0254

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000

Request headers

Referer: https://www.masterclass.com/
accept-language: en-CA,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36
Content-Type: text/plain

Response headers

access-control-allow-origin: https://www.masterclass.com
date: Mon, 11 Dec 2023 01:14:06 GMT
strict-transport-security: max-age=31536000
content-length: 21
vary: Origin
content-type: application/json

POST
H3 204 collect
analytics.google.com/g/ 0
17 B 135ms
132ms Ping
text/plain 2607:f8b0:4004:c07::64
GOOGLE

General

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Show headers Download Go to

Full URL: https://analytics.google.com/g/collect?v=2&tid=G-TXTKCL3651&gtm=45je3bt0v9135202525&_p=1702257242615&gcd=11l1l1l1l2&dma=0&ul=en-us&sr=1600x1200&cid=1103071970.1702257244&ir=1&uaa=&uab=&uafvl=&uamb=0&uam=&uap=&uapv=&uaw=0&_eu=EBAI&dl=https%3A%2F%2Fwww.masterclass.com%2Fclasses%2Fmatthew-walker-teaches-the-science-of-better-sleep%3Futm_source%3DEmail%26utm_medium%3DBlast%26utm_term%3DREMCAN%26utm_content%3D12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN%26utm_campaign%3DJShettyLaunchedLastWeek&dt=Matthew%20Walker%20Teaches%20the%20Science%20of%20Better%20Sleep&sid=1702257244&sct=1&seg=0&_s=2&tfd=10543
Requested by: Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-TXTKCL3651&cx=c&_slc=1
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2607:f8b0:4004:c07::64 Washington, United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software: Golfe2 /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer: https://www.masterclass.com/
accept-language: en-CA,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36
Content-Type: text/plain;charset=UTF-8

Response headers

pragma: no-cache
date: Mon, 11 Dec 2023 01:14:09 GMT
server: Golfe2
content-type: text/plain
access-control-allow-origin: https://www.masterclass.com
cache-control: no-cache, no-store, must-revalidate
access-control-allow-credentials: true
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
H2 200 72731 Show response
idx.liadm.com/idex/unknown/ 42 B
451 B 528ms
186ms XHR
application/json 54.82.17.205
AMAZON-AES

General

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Show headers Download Go to

Full URL

https://idx.liadm.com/idex/unknown/72731?duid=18ad636bdbc2--01hhb70eyjbrt24wak9mpn5sgp&resolve=md5&resolve=sha2

Requested by

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

54.82.17.205 Ashburn, United States, ASN14618 (AMAZON-AES, US),

Reverse DNS

ec2-54-82-17-205.compute-1.amazonaws.com

Software

Resource Hash

d686d33c58a95746e2bf04f47ddcd2a2f182a1dcb660c4f6f44e48046a32c59b

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000; includeSubDomains

Request headers

accept-language: en-CA,en;q=0.9
Referer: https://www.masterclass.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

date: Mon, 11 Dec 2023 01:14:09 GMT
strict-transport-security: max-age=31536000; includeSubDomains
vary: Origin
request-time: 2
content-type: application/json
access-control-allow-origin: https://www.masterclass.com
cache-control: max-age=86399, private
access-control-allow-credentials: true
trace-id: 7651ba771e3621fe
content-length: 42
expires: Tue, 12 Dec 2023 01:14:09 GMT

GET
H2 200 72731 Show response
idx.liadm.com/idex/unknown/ 42 B
450 B 527ms
187ms XHR
application/json 54.82.17.205
AMAZON-AES

General

Check archive.org

Show headers Download Go to

Full URL

https://idx.liadm.com/idex/unknown/72731?duid=18ad636bdbc2--01hhb70eyjbrt24wak9mpn5sgp&resolve=md5

Requested by

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

54.82.17.205 Ashburn, United States, ASN14618 (AMAZON-AES, US),

Reverse DNS

ec2-54-82-17-205.compute-1.amazonaws.com

Software

Resource Hash

d686d33c58a95746e2bf04f47ddcd2a2f182a1dcb660c4f6f44e48046a32c59b

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000; includeSubDomains

Request headers

accept-language: en-CA,en;q=0.9
Referer: https://www.masterclass.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

date: Mon, 11 Dec 2023 01:14:09 GMT
strict-transport-security: max-age=31536000; includeSubDomains
vary: Origin
request-time: 4
content-type: application/json
access-control-allow-origin: https://www.masterclass.com
cache-control: max-age=86399, private
access-control-allow-credentials: true
trace-id: c770b7d3480cbee4
content-length: 42
expires: Tue, 12 Dec 2023 01:14:09 GMT

OPTIONS
H2 200 li
ckjjzdn8vk.execute-api.us-west-2.amazonaws.com/ 0
0 623ms
209ms Preflight
application/json 54.201.102.122

General

Check archive.org

Show headers Download Go to

Full URL: https://ckjjzdn8vk.execute-api.us-west-2.amazonaws.com/li
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 54.201.102.122 -, , ASN (),
Reverse DNS
Software: /
Resource Hash

Request headers

Accept: */*
Access-Control-Request-Headers: content-type
Access-Control-Request-Method: POST
Origin: https://www.masterclass.com
Sec-Fetch-Mode: cors
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

access-control-allow-headers: Content-Type,X-Amz-Date,Authorization,X-Api-Key,X-Amz-Security-Token
access-control-allow-methods: OPTIONS,POST
access-control-allow-origin: *
content-length: 0
content-type: application/json
date: Mon, 11 Dec 2023 01:14:10 GMT
x-amz-apigw-id: PwRPaFt-vHcEGig=
x-amzn-requestid: b3e4d78a-7552-46ed-a110-0aa88e260882

POST
H2 200 li Show response
ckjjzdn8vk.execute-api.us-west-2.amazonaws.com/ 312 B
516 B 176ms
176ms Fetch
application/json 54.201.102.122

General

Check archive.org

Show headers Download Go to

Full URL: https://ckjjzdn8vk.execute-api.us-west-2.amazonaws.com/li
Requested by: Host: www.masterclass.com
URL: https://www.masterclass.com/classes/matthew-walker-teaches-the-science-of-better-sleep?utm_source=Email&utm_medium=Blast&utm_term=REMCAN&utm_content=12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN&utm_campaign=JShettyLaunchedLastWeek
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 54.201.102.122 -, , ASN (),
Reverse DNS
Software: /
Resource Hash: 7c289c1c83b17b70d4d5c38ec7c72ed480f5a4ffad42dbdb2cf248270868a0ba

Request headers

Referer: https://www.masterclass.com/
accept-language: en-CA,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36
Content-Type: application/json

Response headers

access-control-allow-origin: *
date: Mon, 11 Dec 2023 01:14:10 GMT
x-amzn-trace-id: Root=1-65766262-2a638a87093c2ec550cd0fc2
x-amzn-requestid: 53d5d964-8565-4df6-9c1f-ce93db84b21f
content-length: 312
x-amz-apigw-id: PwRPcHwQvHcEK0g=
content-type: application/json

OPTIONS
H2 200 ev
s3shglasfi.execute-api.us-west-2.amazonaws.com/ 0
0 643ms
213ms Preflight
application/json 34.215.157.130

General

Check archive.org

Show headers Download Go to

Full URL: https://s3shglasfi.execute-api.us-west-2.amazonaws.com/ev
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 34.215.157.130 -, , ASN (),
Reverse DNS
Software: /
Resource Hash

Request headers

Accept: */*
Access-Control-Request-Headers: content-type
Access-Control-Request-Method: POST
Origin: https://www.masterclass.com
Sec-Fetch-Mode: cors
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

access-control-allow-headers: Content-Type,X-Amz-Date,Authorization,X-Api-Key,X-Amz-Security-Token
access-control-allow-methods: OPTIONS,POST
access-control-allow-origin: *
content-length: 0
content-type: application/json
date: Mon, 11 Dec 2023 01:14:10 GMT
x-amz-apigw-id: PwRPaHAyPHcEvbA=
x-amzn-requestid: 83581230-fbc8-49bc-b472-130c1f47f392

POST
H2 200 ev Show response
s3shglasfi.execute-api.us-west-2.amazonaws.com/ 312 B
516 B 238ms
237ms Fetch
application/json 34.215.157.130

General

Check archive.org

Show headers Download Go to

Full URL: https://s3shglasfi.execute-api.us-west-2.amazonaws.com/ev
Requested by: Host: www.masterclass.com
URL: https://www.masterclass.com/classes/matthew-walker-teaches-the-science-of-better-sleep?utm_source=Email&utm_medium=Blast&utm_term=REMCAN&utm_content=12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN&utm_campaign=JShettyLaunchedLastWeek
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 34.215.157.130 -, , ASN (),
Reverse DNS
Software: /
Resource Hash: 8076e28d598da02dc4634da31db2ed514dd2ef33d50dedd801d0bb0a48b5a05e

Request headers

Referer: https://www.masterclass.com/
accept-language: en-CA,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36
Content-Type: application/json

Response headers

access-control-allow-origin: *
date: Mon, 11 Dec 2023 01:14:10 GMT
x-amzn-trace-id: Root=1-65766262-2d31162905d75990227a2806
x-amzn-requestid: 4c772226-2304-46d9-b097-49cc2f7c7e6c
content-length: 312
x-amz-apigw-id: PwRPcGpHPHcENIA=
content-type: application/json

Failed requests

These URLs were requested, but there was no response received. You will also see them in the list above.

Domain: players.brightcove.net
URL: https://players.brightcove.net/5344802162001/1cMNiwC9oQ_default/index.min.js

Domain: tvspix.com
URL: https://tvspix.com/t.png?&t=1702257243521&l=tvscientific-pix-o-63862f60-5d5e-4ea8-8db2-9603da72d071&u3=https%3A%2F%2Fwww.masterclass.com%2Fclasses%2Fmatthew-walker-teaches-the-science-of-better-sleep%3Futm_source%3DEmail%26utm_medium%3DBlast%26utm_term%3DREMCAN%26utm_content%3D12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN%26utm_campaign%3DJShettyLaunchedLastWeek

Domain: api.segment.io
URL: https://api.segment.io/v1/t

Domain: api.segment.io
URL: https://api.segment.io/v1/t

Verdicts & Comments Add Verdict or Comment

112 JavaScript Global Variables

These are the non-standard "global" variables defined on the window object. These can be helpful in identifying possible client-side frameworks and code.

58 Cookies

Cookies are little pieces of information stored in the browser of a user. Whenever a user visits the site again, he will also send his cookie values, thus allowing the website to re-identify him even if he changed locations. This is how permanent logins work.

Domain/Path	Expires	Name / Value
.masterclass.com/classes	1970-01-21 02:26:57	Name: _ga_CKM9ZCCQBN Value: GS1.1.1702257243.1.0.1702257243.60.0.0
.masterclass.com/classes	1970-01-21 02:26:57	Name: _ga Value: GA1.1.1103071970.1702257244
.liadm.com/j	1970-01-21 02:26:57	Name: lidid Value: c552f5f6-5cdd-401e-a130-a1fa1ca887bf
.masterclass.com/	1970-01-20 16:52:23	Name: iterableEmailCampaignId Value: 8315892
.masterclass.com/	1970-01-20 16:52:23	Name: iterableTemplateId Value: 11041561
.masterclass.com/	1970-01-20 16:52:23	Name: iterableMessageId Value: 329d047763a441a1896d1e821efb75f1
.masterclass.com/	1970-01-21 01:36:33	Name: iterableEndUserId Value: fx667fmzp5%40privaterelay.appleid.com
links.masterclass.com/	1969-12-31 23:59:59	Name: XSRF-TOKEN Value: cb2ed13b4c45b8666b7fdc899ccdca48c0bdd687-1702257238997-91c0d2a2be19223dfbaeb2af
.masterclass.com/	1970-01-20 16:50:59	Name: __cf_bm Value: 5kGz.C0qHkpKN0jBr8k8IvIxhO51llAZtMRfPEhs_jc-1702257239-0-ARJqwhm3TcK5ynnMGwEbo4TEdS8QCh8kqOj55RQKKeSgQmytddxTuiG72nlf5JBaTpOMpEdRuS76i609fcB0qv0=
www.masterclass.com/	1970-01-21 02:26:57	Name: ajs_anonymous_id Value: %22rails-gen-a5982607-c0cc-44ec-8c6e-140f1d68afa3%22
www.masterclass.com/	1970-01-21 01:36:33	Name: splitter_subject_id Value: 7a6b232b-580f-4eba-bbe9-75e4058cdc58
www.masterclass.com/	1969-12-31 23:59:59	Name: user_membership Value: FREE
www.masterclass.com/	1970-01-20 17:31:16	Name: utm_params Value: %7B%22utm_source%22%3A%22Email%22%2C%22utm_term%22%3A%22REMCAN%22%2C%22utm_content%22%3A%2212023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN%22%2C%22utm_campaign%22%3A%22JShettyLaunchedLastWeek%22%2C%22utm_medium%22%3A%22Blast%22%7D
www.masterclass.com/	1970-01-21 02:26:57	Name: first_visit Value: 1
www.masterclass.com/	1969-12-31 23:59:59	Name: first_session Value: 1
www.masterclass.com/	1970-01-21 02:26:57	Name: first_visit_on Value: 2023-12-11
www.masterclass.com/	1970-01-21 02:26:57	Name: active_membership Value: 0
www.masterclass.com/	1969-12-31 23:59:59	Name: recently_viewed_cm_page Value: null
www.masterclass.com/	1970-01-21 01:36:33	Name: last_cm_page Value: matthew-walker-teaches-the-science-of-better-sleep
www.masterclass.com/	1970-01-21 01:36:33	Name: all_cm_pages_viewed Value: %5B%22matthew-walker-teaches-the-science-of-better-sleep%22%5D
www.masterclass.com/	1970-01-20 16:50:59	Name: track_visit_session_id Value: 8d10745e-6b30-4ac8-9c9e-bccc71c0d83c
.masterclass.com/	1970-01-21 01:36:33	Name: ajs_anonymous_id Value: rails-gen-a5982607-c0cc-44ec-8c6e-140f1d68afa3
www.masterclass.com/	1970-01-21 02:26:57	Name: _mc_session Value: GXyyoKUVakSizOq%2FcL%2B8x4ZTMUJujPI80i7aTqU2FK83dYWuSvgYyjEwa3vwT53xvsIdT9Uc%2FdzyA2EwNAlxNvO2zR3jVd9PpOnDgeqaepXeLPIyffcdnYzetZT8RRcdSIMmc50AH6VmSOMWFjND0TeAzX0CweV%2B5f70XSnbaff1v1gujs4EF7asDe09lFNaHEmR7Q9h32k20XlVfZhm8pBWkxIEFyHdXP5cUsOMIzQyZwOhKiZCJokbivsHMSA8j9nEgmecVDYWYPYdzHo496u1wP%2Bn9etc3OLUCm2znzvFis5jcAnzOonPahTkj4kxS2H3VLVQep55BzuDBueKFTjrDaQTxSu3eCHAwpSmY5d1wUFsoTrODWXcAK83Sk%2FDxIUV1xw4tmSMSVu9lGJnw2qwJvJaSgJc28J6Vzk%3D--r8wxSWC0lxzF8pUp--L62TslxktGH4JyiIpMvAVA%3D%3D
.masterclass.com/	1969-12-31 23:59:59	Name: amplitude_idundefinedmasterclass.com Value: eyJvcHRPdXQiOmZhbHNlLCJzZXNzaW9uSWQiOm51bGwsImxhc3RFdmVudFRpbWUiOm51bGwsImV2ZW50SWQiOjAsImlkZW50aWZ5SWQiOjAsInNlcXVlbmNlTnVtYmVyIjowfQ==
.masterclass.com/	1970-01-20 19:00:33	Name: _gcl_au Value: 1.1.1634085242.1702257243
www.masterclass.com/	1970-01-20 17:01:02	Name: FPC Value: 8963b8c0-cc0c-43f9-acafa18f64cae959
.masterclass.com/	1970-01-20 16:52:23	Name: _gid Value: GA1.2.2143067438.1702257244
.masterclass.com/	1970-01-20 16:50:57	Name: _gat Value: 1
.masterclass.com/	1970-01-21 02:26:57	Name: amplitude_id_07018da2854fa6ca5b7bab195253250bmasterclass.com Value: eyJkZXZpY2VJZCI6InJhaWxzLWdlbi1hNTk4MjYwNy1jMGNjLTQ0ZWMtOGM2ZS0xNDBmMWQ2OGFmYTMiLCJ1c2VySWQiOm51bGwsIm9wdE91dCI6ZmFsc2UsInNlc3Npb25JZCI6MTcwMjI1NzI0MzQyNywibGFzdEV2ZW50VGltZSI6MTcwMjI1NzI0Mzc4MiwiZXZlbnRJZCI6NiwiaWRlbnRpZnlJZCI6Miwic2VxdWVuY2VOdW1iZXIiOjh9
.masterclass.com/	1970-01-21 02:26:57	Name: _ga_MXX8KXSBK0 Value: GS1.1.1702257243.1.0.1702257243.0.0.0
.masterclass.com/	1970-01-21 02:26:57	Name: _ga Value: GA1.1.1103071970.1702257244
.masterclass.com/	1969-12-31 23:59:59	Name: IR_gbd Value: masterclass.com
.masterclass.com/	1969-12-31 23:59:59	Name: IR_16021 Value: 1702257243977%7C0%7C1702257243977%7C%7C
.masterclass.com/	1970-01-20 19:00:33	Name: _fbp Value: fb.1.1702257244006.854061131
.tiktok.com/	1970-01-21 02:12:33	Name: _ttp Value: 2ZNKkv0e2xojlmHkLYlpg3rLAps
.bing.com/	1970-01-21 02:12:33	Name: MUID Value: 139818EB8F116082038D0B0F8EBB617A
.bat.bing.com/	1970-01-20 17:01:02	Name: MR Value: 0
.masterclass.com/	1970-01-21 02:26:57	Name: _ga_TXTKCL3651 Value: GS1.2.1702257244.1.1.1702257244.60.0.0
www.masterclass.com/	1970-01-21 02:26:57	Name: tatari-cookie-test Value: 59071114
.masterclass.com/	1970-01-21 02:26:57	Name: tatari-session-cookie Value: f79a8ffb-7171-3f97-8cf5-f4804d8cbc63
.masterclass.com/	1970-01-20 16:50:57	Name: t-ip Value: 1
.pointmediatracker.com/	1970-01-21 01:37:59	Name: c Value: 8c15965b-83f0-4e9e-9e8a-6e68b5952501
.masterclass.com/	1970-01-21 02:12:33	Name: _tt_enable_cookie Value: 1
.masterclass.com/	1970-01-21 02:12:33	Name: _ttp Value: pf4KX3GtlMF2A7A3ptuMLJ3Cajn
.doubleclick.net/	1970-01-20 16:50:58	Name: test_cookie Value: CheckForPermission
.masterclass.com/	1970-01-20 16:52:23	Name: _uetsid Value: 92dedbb097c211eeb22bbb6d6216f71b
.masterclass.com/	1970-01-21 02:12:33	Name: _uetvid Value: 92df174097c211eea2fb41fea0586af6
.bidr.io/	1970-01-21 02:19:27	Name: bito Value: AAC-LU7K7MUAAbe0VNqjgg
.bidr.io/	1970-01-21 02:19:27	Name: bitoIsSecure Value: ok
.bidr.io/	1970-01-20 16:50:57	Name: checkForPermission Value: ok
.masterclass.com/	1969-12-31 23:59:59	Name: _li_dcdm_c Value: .masterclass.com
.masterclass.com/	1970-01-21 02:26:57	Name: _lc2_fpi Value: 18ad636bdbc2--01hhb70eyjbrt24wak9mpn5sgp
.masterclass.com/	1970-01-21 02:26:57	Name: _lc2_fpi_meta Value: {%22w%22:1702257245138}
.liadm.com/	1970-01-21 02:26:57	Name: lidid Value: c552f5f6-5cdd-401e-a130-a1fa1ca887bf
www.masterclass.com/	1970-01-20 21:10:09	Name: _geuid Value: bf29c48b-9b09-48ec-be7f-374f937dcd93
www.masterclass.com/	1970-01-20 16:51:00	Name: _geppv Value: 1
www.masterclass.com/	1970-01-20 17:34:09	Name: _geps Value: true
www.masterclass.com/	1970-01-20 16:50:57	Name: _gepe Value: true

11 Console Messages

A page may trigger messages to the console to be logged. These are often error messages about being unable to load a resource or execute a piece of JavaScript. Sometimes they also provide insight into the technology behind a website.

Source	Level	URL Text
network	error	URL: https://www.masterclass.com/jsonapi/v1/users/current?deep=false Message: Failed to load resource: the server responded with a status of 401 ()
network	error	URL: https://www.masterclass.com/jsonapi/v1/user/cart-data?deep=true Message: Failed to load resource: the server responded with a status of 401 ()
network	error	URL: https://www.masterclass.com/jsonapi/v1/users/current?deep=false Message: Failed to load resource: the server responded with a status of 401 ()
network	error	URL: https://www.masterclass.com/jsonapi/v1/users/current?deep=false Message: Failed to load resource: the server responded with a status of 401 ()
network	error	URL: https://www.masterclass.com/jsonapi/v1/user/cart-data?deep=true Message: Failed to load resource: the server responded with a status of 401 ()
network	error	URL: https://www.masterclass.com/jsonapi/v1/users/current?deep=false Message: Failed to load resource: the server responded with a status of 401 ()
network	error	URL: https://www.masterclass.com/jsonapi/v1/user/cart-data?deep=true Message: Failed to load resource: the server responded with a status of 401 ()
network	error	URL: https://players.brightcove.net/5344802162001/1cMNiwC9oQ_default/index.min.js Message: Failed to load resource: net::ERR_CONNECTION_CLOSED
network	error	URL: https://www.masterclass.com/jsonapi/v1/user/cart-data?deep=true Message: Failed to load resource: the server responded with a status of 401 ()
network	error	URL: https://api.segment.io/v1/t Message: Failed to load resource: net::ERR_CONNECTION_CLOSED
network	error	URL: https://api.segment.io/v1/t Message: Failed to load resource: net::ERR_CONNECTION_CLOSED

Security Headers

This page lists any security headers set by the main page. If you want to understand what these mean and how to use them, head on over to this page

Header	Value
Strict-Transport-Security	max-age=15724800; includeSubDomains
X-Content-Type-Options	nosniff
X-Frame-Options	DENY
X-Xss-Protection	1; mode=block

Indicators

This is a term in the security industry to describe indicators such as IPs, Domains, Hashes, etc. This does not imply that any of these indicate malicious activity.

acdn.adnxs.com
analytics.google.com
analytics.tiktok.com
api.amplitude.com
api.segment.io
b-code.liadm.com
bat.bing.com
cdn.amplitude.com
cdn.segment.com
cdnjs.cloudflare.com
ckjjzdn8vk.execute-api.us-west-2.amazonaws.com
cnv.event.prod.bidr.io
connect.facebook.net
d1lu3pmaz2ilpx.cloudfront.net
d2hrivdxn8ekm8.cloudfront.net
d330aiyvva2oww.cloudfront.net
dvqigh9b7wa32.cloudfront.net
googleads.g.doubleclick.net
ib.adnxs.com
idx.liadm.com
js.adsrvr.org
links.masterclass.com
pixel.pointmediatracker.com
players.brightcove.net
rp.liadm.com
rp4.liadm.com
s3-us-west-2.amazonaws.com
s3shglasfi.execute-api.us-west-2.amazonaws.com
segment.prod.bidr.io
stats.g.doubleclick.net
tvspix.com
ujjak2x1py-dsn.algolia.net
utt.impactcdn.com
www.facebook.com
www.google-analytics.com
www.google.ca
www.google.com
www.googleadservices.com
www.googletagmanager.com
www.masterclass.com
api.segment.io
players.brightcove.net
tvspix.com
172.253.63.154
209.58.135.36
23.221.252.246
23.48.4.139
2600:1f18:730:b110:b9d7:5d50:f444:5e53
2600:9000:2073:c000:3:760:2800:21
2600:9000:215f:a400:17:f683:1d40:21
2600:9000:23cb:7800:8:8845:1500:93a1
2600:9000:269f:c400:17:3f5c:f800:21
2606:4700::6810:a72f
2606:4700::6811:190e
2607:f8b0:4004:c06::8a
2607:f8b0:4004:c07::64
2607:f8b0:4004:c07::68
2607:f8b0:4004:c08::9a
2607:f8b0:4004:c09::9b
2607:f8b0:4004:c17::61
2607:f8b0:4004:c1b::5e
2620:1ec:c11::200
2a03:2880:f07d:0:face:b00c:0:3
2a03:2880:f171:81:face:b00c:0:25de
3.161.209.109
3.161.210.179
3.228.152.77
34.215.157.130
35.186.249.72
44.234.198.184
52.85.150.230
52.92.248.136
54.145.103.184
54.160.169.234
54.166.177.139
54.201.102.122
54.69.119.24
54.82.17.205
68.67.161.182
99.86.191.237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www.masterclass.com Open in urlscan Pro 2606:4700::6810:a72f Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

Screenshot Live screenshot Full Image

Page Title

Page URL History Show full URLs

Detected technologies

Page Statistics

257 Requests

96 %HTTPS

46 %IPv6

26 Domains

40 Subdomains

36 IPs

2 Countries

2873 kBTransfer

7280 kBSize

58 Cookies

17 Outgoing links

Page URL History

Redirected requests

257 HTTP transactions Everything HTML Script AJAX CSS Image Expand all 2 data transactions

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www.masterclass.com Open in urlscan Pro
2606:4700::6810:a72f Public Scan

Screenshot
Live screenshot

Full Image

257
Requests

96 %
HTTPS

46 %
IPv6

26
Domains

40
Subdomains

36
IPs

2
Countries

2873 kB
Transfer

7280 kB
Size

58
Cookies

257 HTTP transactions
2 data transactions