www.masterclass.com Open in urlscan Pro
104.17.11.109 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 May 14 via api (May 14th 2024, 2:10:09 am UTC) from CA — Scanned from CA

Summary HTTP 278 Redirects Links 16 Behaviour Indicators

Summary

This website contacted 40 IPs in 2 countries across 26 domains to perform 278 HTTP transactions. The main IP is 104.17.11.109, located in and belongs to CLOUDFLARENET, US. The main domain is www.masterclass.com. The Cisco Umbrella rank of the primary domain is 84821.
TLS certificate: Issued by E1 on April 4th 2024. Valid for: 3 months.

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
2 135	104.17.11.109 104.17.11.109	13335 (CLOUDFLAR...) (CLOUDFLARENET)
4	38.134.107.17 38.134.107.17	174 (COGENT-174) (COGENT-174)
16	99.86.191.237 99.86.191.237	16509 (AMAZON-02) (AMAZON-02)
42	3.162.125.118 3.162.125.118	16509 (AMAZON-02) (AMAZON-02)
5	172.253.122.97 172.253.122.97	15169 (GOOGLE) (GOOGLE)
1	13.32.208.92 13.32.208.92	16509 (AMAZON-02) (AMAZON-02)
13	172.253.62.102 172.253.62.102	15169 (GOOGLE) (GOOGLE)
2	31.13.66.19 31.13.66.19	32934 (FACEBOOK) (FACEBOOK)
4	13.107.21.237 13.107.21.237	8068 (MICROSOFT...) (MICROSOFT-CORP-MSN-AS-BLOCK)
3	142.251.16.101 142.251.16.101	15169 (GOOGLE) (GOOGLE)
3	142.251.111.155 142.251.111.155	15169 (GOOGLE) (GOOGLE)
6	142.251.16.94 142.251.16.94	15169 (GOOGLE) (GOOGLE)
3	52.88.74.24 52.88.74.24	16509 (AMAZON-02) (AMAZON-02)
10	54.69.251.6 54.69.251.6	16509 (AMAZON-02) (AMAZON-02)
2 3	172.253.62.157 172.253.62.157	15169 (GOOGLE) (GOOGLE)
2	142.251.111.154 142.251.111.154	15169 (GOOGLE) (GOOGLE)
2 4	172.253.62.104 172.253.62.104	15169 (GOOGLE) (GOOGLE)
1	108.138.64.55 108.138.64.55	16509 (AMAZON-02) (AMAZON-02)
3	18.67.79.197 18.67.79.197	16509 (AMAZON-02) (AMAZON-02)
1	104.17.24.14 104.17.24.14	13335 (CLOUDFLAR...) (CLOUDFLARENET)
1	35.186.249.72 35.186.249.72	15169 (GOOGLE) (GOOGLE)
1	34.238.149.65 34.238.149.65	14618 (AMAZON-AES) (AMAZON-AES)
1 1	34.194.214.134 34.194.214.134	14618 (AMAZON-AES) (AMAZON-AES)
1 2	52.7.205.0 52.7.205.0	14618 (AMAZON-AES) (AMAZON-AES)
1	35.82.233.65 35.82.233.65	16509 (AMAZON-02) (AMAZON-02)
2	31.13.66.35 31.13.66.35	32934 (FACEBOOK) (FACEBOOK)
1	23.63.200.246 23.63.200.246	16625 (AKAMAI-AS) (AKAMAI-AS)
1	18.210.229.244 18.210.229.244	14618 (AMAZON-AES) (AMAZON-AES)
1	18.160.15.74 18.160.15.74	16509 (AMAZON-02) (AMAZON-02)
1	18.165.80.96 18.165.80.96	16509 (AMAZON-02) (AMAZON-02)
1	18.165.94.195 18.165.94.195	16509 (AMAZON-02) (AMAZON-02)
1	18.67.60.119 18.67.60.119	16509 (AMAZON-02) (AMAZON-02)
1 2	52.7.75.116 52.7.75.116	14618 (AMAZON-AES) (AMAZON-AES)
1	52.35.42.246 52.35.42.246	16509 (AMAZON-02) (AMAZON-02)
2	68.67.160.26 68.67.160.26	29990 (ASN-APPNEX) (ASN-APPNEX)
2	52.89.99.220 52.89.99.220	16509 (AMAZON-02) (AMAZON-02)
1	52.12.117.226 52.12.117.226	16509 (AMAZON-02) (AMAZON-02)
1	162.247.243.39 162.247.243.39	54113 (FASTLY) (FASTLY)
1 2	52.223.40.198 52.223.40.198	16509 (AMAZON-02) (AMAZON-02)
2	162.247.243.30 162.247.243.30	54113 (FASTLY) (FASTLY)
278	40

135 104.17.11.109 (None, ) 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 38.134.107.17 (Santa Clara, United States)

ASN174 (COGENT-174, US)

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

16 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

42 3.162.125.118 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-3-162-125-118.iad61.r.cloudfront.net

edge.masterclass.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

5 172.253.122.97 (United States)

ASN15169 (GOOGLE, US)
PTR: bh-in-f97.1e100.net

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

1 13.32.208.92 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-13-32-208-92.iad66.r.cloudfront.net

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

13 172.253.62.102 (United States)

ASN15169 (GOOGLE, US)
PTR: bc-in-f102.1e100.net

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

2 31.13.66.19 (Ashburn, United States)

ASN32934 (FACEBOOK, US)
PTR: xx-fbcdn-shv-01-iad3.fbcdn.net

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

4 13.107.21.237 (United States)

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

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

3 142.251.16.101 (Farmingdale, United States)

ASN15169 (GOOGLE, US)
PTR: bl-in-f101.1e100.net

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

3 142.251.111.155 (Farmingdale, United States)

ASN15169 (GOOGLE, US)
PTR: bk-in-f155.1e100.net

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

6 142.251.16.94 (Farmingdale, United States)

ASN15169 (GOOGLE, US)
PTR: bl-in-f94.1e100.net

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

3 52.88.74.24 (Boardman, United States)

ASN16509 (AMAZON-02, US)
PTR: ec2-52-88-74-24.us-west-2.compute.amazonaws.com

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

10 54.69.251.6 (Boardman, United States)

ASN16509 (AMAZON-02, US)
PTR: ec2-54-69-251-6.us-west-2.compute.amazonaws.com

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

3 172.253.62.157 (United States) 2 redirects

ASN15169 (GOOGLE, US)
PTR: bc-in-f157.1e100.net

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

2 142.251.111.154 (Farmingdale, United States)

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

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

4 172.253.62.104 (United States) 2 redirects

ASN15169 (GOOGLE, US)
PTR: bc-in-f104.1e100.net

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

1 108.138.64.55 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-108-138-64-55.iad12.r.cloudfront.net

static.getangler.ai	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

3 18.67.79.197 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-18-67-79-197.iad89.r.cloudfront.net

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

1 104.17.24.14 (None, )

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

1 34.238.149.65 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-34-238-149-65.compute-1.amazonaws.com

dx.mountain.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 34.194.214.134 (Ashburn, United States) 1 redirects

ASN14618 (AMAZON-AES, US)
PTR: ec2-34-194-214-134.compute-1.amazonaws.com

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

2 52.7.205.0 (Ashburn, United States) 1 redirects

ASN14618 (AMAZON-AES, US)
PTR: ec2-52-7-205-0.compute-1.amazonaws.com

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

1 35.82.233.65 (Boardman, United States)

ASN16509 (AMAZON-02, US)
PTR: ec2-35-82-233-65.us-west-2.compute.amazonaws.com

tvspix.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 31.13.66.35 (Ashburn, United States)

ASN32934 (FACEBOOK, US)
PTR: edge-star-mini-shv-01-iad3.facebook.com

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

1 23.63.200.246 (Marietta, United States)

ASN16625 (AKAMAI-AS, US)
PTR: a23-63-200-246.deploy.static.akamaitechnologies.com

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

1 18.210.229.244 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-18-210-229-244.compute-1.amazonaws.com

18.210.229.244	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 18.160.15.74 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-18-160-15-74.iad12.r.cloudfront.net

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

1 18.165.80.96 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-18-165-80-96.iad55.r.cloudfront.net

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

1 18.165.94.195 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-18-165-94-195.iad55.r.cloudfront.net

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

1 18.67.60.119 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-18-67-60-119.iad89.r.cloudfront.net

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

2 52.7.75.116 (Ashburn, United States) 1 redirects

ASN14618 (AMAZON-AES, US)
PTR: ec2-52-7-75-116.compute-1.amazonaws.com

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

1 52.35.42.246 (Boardman, United States)

ASN16509 (AMAZON-02, US)
PTR: ec2-52-35-42-246.us-west-2.compute.amazonaws.com

data.getangler.ai	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 68.67.160.26 (Colonia, United States)

ASN29990 (ASN-APPNEX, US)
PTR: 567.bm-nginx-loadbalancer.mgmt.nym2.adnexus.net

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

2 52.89.99.220 (Boardman, United States)

ASN16509 (AMAZON-02, US)
PTR: ec2-52-89-99-220.us-west-2.compute.amazonaws.com

px.mountain.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 52.12.117.226 (Boardman, United States)

ASN16509 (AMAZON-02, US)
PTR: ec2-52-12-117-226.us-west-2.compute.amazonaws.com

gs.mountain.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 162.247.243.39 (United States)

ASN54113 (FASTLY, US)

js-agent.newrelic.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 52.223.40.198 (United States) 1 redirects

ASN16509 (AMAZON-02, US)
PTR: a6370ebea231e0c9a.awsglobalaccelerator.com

insight.adsrvr.org	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools
match.adsrvr.org	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 162.247.243.30 (United States)

ASN54113 (FASTLY, US)

bam-cell.nr-data.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
177	masterclass.com 2 redirects links.masterclass.com — Cisco Umbrella Rank: 523677 www.masterclass.com — Cisco Umbrella Rank: 84821 edge.masterclass.com — Cisco Umbrella Rank: 221053	34 MB
16	segment.com cdn.segment.com — Cisco Umbrella Rank: 1845	149 KB
13	google-analytics.com www.google-analytics.com — Cisco Umbrella Rank: 32	23 KB
10	segment.io api.segment.io — Cisco Umbrella Rank: 1425	2 KB
7	google.com 2 redirects analytics.google.com — Cisco Umbrella Rank: 154 www.google.com — Cisco Umbrella Rank: 2	503 B
6	cloudfront.net d2hrivdxn8ekm8.cloudfront.net dvqigh9b7wa32.cloudfront.net d330aiyvva2oww.cloudfront.net d1lu3pmaz2ilpx.cloudfront.net	29 KB
6	google.ca www.google.ca — Cisco Umbrella Rank: 10035	381 B
6	doubleclick.net 2 redirects stats.g.doubleclick.net — Cisco Umbrella Rank: 89 googleads.g.doubleclick.net — Cisco Umbrella Rank: 35	2 KB
5	googletagmanager.com www.googletagmanager.com — Cisco Umbrella Rank: 39	483 KB
4	bidr.io 2 redirects cnv.event.prod.bidr.io — Cisco Umbrella Rank: 11128 segment.prod.bidr.io — Cisco Umbrella Rank: 7933	2 KB
4	mountain.com dx.mountain.com — Cisco Umbrella Rank: 5337 px.mountain.com — Cisco Umbrella Rank: 5486 gs.mountain.com — Cisco Umbrella Rank: 11376	8 KB
4	bing.com bat.bing.com — Cisco Umbrella Rank: 345	14 KB
4	amplitude.com cdn.amplitude.com — Cisco Umbrella Rank: 2804 api.amplitude.com — Cisco Umbrella Rank: 2266	19 KB
4	algolia.net ujjak2x1py-dsn.algolia.net — Cisco Umbrella Rank: 166960	88 KB
3	adsrvr.org 1 redirects js.adsrvr.org — Cisco Umbrella Rank: 1370 insight.adsrvr.org — Cisco Umbrella Rank: 691 match.adsrvr.org — Cisco Umbrella Rank: 358	5 KB
3	adnxs.com acdn.adnxs.com — Cisco Umbrella Rank: 614 ib.adnxs.com — Cisco Umbrella Rank: 257	32 KB
2	nr-data.net bam-cell.nr-data.net — Cisco Umbrella Rank: 3375	835 B
2	facebook.com www.facebook.com — Cisco Umbrella Rank: 101	377 B
2	getangler.ai static.getangler.ai — Cisco Umbrella Rank: 124036 data.getangler.ai — Cisco Umbrella Rank: 125018	3 KB
2	googleadservices.com www.googleadservices.com — Cisco Umbrella Rank: 126	4 KB
2	facebook.net connect.facebook.net — Cisco Umbrella Rank: 183	71 KB
1	newrelic.com js-agent.newrelic.com — Cisco Umbrella Rank: 636	18 KB
1	tvspix.com tvspix.com — Cisco Umbrella Rank: 14862	194 B
1	pointmediatracker.com 1 redirects pixel.pointmediatracker.com — Cisco Umbrella Rank: 4581	522 B
1	impactcdn.com utt.impactcdn.com — Cisco Umbrella Rank: 3786	15 KB
1	cloudflare.com cdnjs.cloudflare.com — Cisco Umbrella Rank: 237	4 KB
278	26

	Domain	Requested by
134	www.masterclass.com	1 redirects www.masterclass.com
42	edge.masterclass.com	www.masterclass.com
16	cdn.segment.com	www.masterclass.com
13	www.google-analytics.com	www.masterclass.com www.googletagmanager.com
10	api.segment.io	www.masterclass.com
6	www.google.ca	www.masterclass.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	d2hrivdxn8ekm8.cloudfront.net	www.masterclass.com
3	googleads.g.doubleclick.net	2 redirects www.masterclass.com
3	api.amplitude.com	www.masterclass.com
3	stats.g.doubleclick.net	www.googletagmanager.com www.masterclass.com
3	analytics.google.com	www.googletagmanager.com
2	bam-cell.nr-data.net	www.masterclass.com
2	px.mountain.com	www.masterclass.com
2	ib.adnxs.com	www.masterclass.com
2	segment.prod.bidr.io	1 redirects www.masterclass.com
2	www.facebook.com	www.masterclass.com
2	cnv.event.prod.bidr.io	1 redirects www.masterclass.com
2	www.googleadservices.com	www.masterclass.com
2	connect.facebook.net	www.masterclass.com
1	match.adsrvr.org	www.masterclass.com
1	insight.adsrvr.org	1 redirects
1	js-agent.newrelic.com	www.masterclass.com
1	gs.mountain.com	www.masterclass.com
1	data.getangler.ai	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	acdn.adnxs.com	www.masterclass.com
1	tvspix.com	www.masterclass.com
1	pixel.pointmediatracker.com	1 redirects
1	dx.mountain.com	www.masterclass.com
1	utt.impactcdn.com	www.masterclass.com
1	cdnjs.cloudflare.com	www.masterclass.com
1	static.getangler.ai	www.masterclass.com
1	cdn.amplitude.com	www.masterclass.com
1	links.masterclass.com	1 redirects
278	41

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

Domain
privacy.masterclass.com
support.masterclass.com
learn.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
masterclass.com E1	`2024-04-04` - `2024-07-03`	3 months	crt.sh
algolia.net Sectigo RSA Organization Validation Secure Server CA	`2024-01-04` - `2025-02-02`	a year	crt.sh
*.segment.com Amazon RSA 2048 M03	`2023-11-14` - `2024-12-13`	a year	crt.sh
edge.masterclass.com Amazon RSA 2048 M02	`2024-02-09` - `2025-03-09`	a year	crt.sh
*.google-analytics.com GTS CA 1C3	`2024-04-16` - `2024-07-09`	3 months	crt.sh
cdn.amplitude.com Amazon RSA 2048 M02	`2023-12-14` - `2025-01-12`	a year	crt.sh
*.facebook.com DigiCert SHA2 High Assurance Server CA	`2024-02-21` - `2024-05-21`	3 months	crt.sh
www.bing.com Microsoft Azure TLS Issuing CA 02	`2024-05-01` - `2024-06-27`	2 months	crt.sh
*.google.com GTS CA 1C3	`2024-04-16` - `2024-07-09`	3 months	crt.sh
*.g.doubleclick.net GTS CA 1C3	`2024-04-16` - `2024-07-09`	3 months	crt.sh
*.google.ca GTS CA 1C3	`2024-04-16` - `2024-07-09`	3 months	crt.sh
*.amplitude.com COMODO RSA Domain Validation Secure Server CA	`2024-01-31` - `2025-03-02`	a year	crt.sh
*.segment.io Amazon RSA 2048 M03	`2023-12-13` - `2025-01-11`	a year	crt.sh
*.googleadservices.com GTS CA 1C3	`2024-04-16` - `2024-07-09`	3 months	crt.sh
static.getangler.ai Amazon RSA 2048 M02	`2024-03-27` - `2025-04-26`	a year	crt.sh
*.cloudfront.net Amazon RSA 2048 M01	`2023-10-10` - `2024-09-19`	a year	crt.sh
sni.cloudflaressl.com Cloudflare Inc ECC CA-3	`2023-07-03` - `2024-07-02`	a year	crt.sh
utt.impactcdn.com GTS CA 1D4	`2024-04-25` - `2024-07-24`	3 months	crt.sh
*.mountain.com Go Daddy Secure Certificate Authority - G2	`2023-06-12` - `2024-06-23`	a year	crt.sh
tvspix.com Amazon RSA 2048 M03	`2024-03-25` - `2025-04-24`	a year	crt.sh
cdn.adnxs.com GeoTrust RSA CA 2018	`2023-08-24` - `2024-08-24`	a year	crt.sh
18.210.229.244 Sectigo RSA Domain Validation Secure Server CA	`2024-01-24` - `2025-02-13`	a year	crt.sh
*.adsrvr.org GlobalSign GCC R3 DV TLS CA 2020	`2024-04-23` - `2025-05-25`	a year	crt.sh
prd-alb.data.getangler.ai Amazon RSA 2048 M02	`2023-11-02` - `2024-12-01`	a year	crt.sh
*.adnxs.com GeoTrust ECC CA 2018	`2024-02-14` - `2025-03-16`	a year	crt.sh
js-agent.newrelic.com GlobalSign Atlas R3 DV TLS CA 2024 Q1	`2024-03-21` - `2025-04-22`	a year	crt.sh
*.nr-data.net DigiCert Global G2 TLS RSA SHA256 2020 CA1	`2023-09-29` - `2024-10-01`	a year	crt.sh

This page contains 2 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: 692D39D77968EEB60CA25D76BBAF9F12
Requests: 276 HTTP requests in this frame

Frame: https://match.adsrvr.org/track/upb/?adv=4hom2c1&ref=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&upid=iynscu4&upv=1.1.0
Frame ID: 938DF71C53D6792CB2E5CAB92865EEAD
Requests: 1 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

278
Requests

99 %
HTTPS

0 %
IPv6

26
Domains

41
Subdomains

40
IPs

2
Countries

35511 kB
Transfer

41413 kB
Size

56
Cookies

16 Outgoing links

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

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

Search URL Search Domain Scan URL

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://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

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 203

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https://cnv.event.prod.bidr.io/log/cnv?tag_id=159&buzz_key=blisspoint&value=masterclass&segment_key=&order=64da541f-5d58-4736-b745-019a5e74fe3f.undefined&ord=312750314544676815 HTTP 303
https://cnv.event.prod.bidr.io/log/cnv?tag_id=159&buzz_key=blisspoint&value=masterclass&segment_key=&order=64da541f-5d58-4736-b745-019a5e74fe3f.undefined&ord=312750314544676815&_bee_ppp=1

Request Chain 211

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https://www.google.ca/pagead/1p-conversion/952839809/?random=2062689783&cv=11&fst=1715652601167&bg=ffffff&guid=ON&async=1&gtm=45be45d0v876889216za200&gcd=13l3l3l3l1&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&npa=0&pscdl=noapi&auid=1276737956.1715652601&uaa=x86&uab=64&uafvl=Chromium%3B124.0.6367.201%7CGoogle%2520Chrome%3B124.0.6367.201%7CNot-A.Brand%3B99.0.0.0&uamb=0&uam=&uap=Win32&uapv=10.0.0&uaw=0&fdr=QA&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%2Cen-CA%3Bgeo%3DCA%3Bregion%3DCA-ON%3Bevent_id%3D7a79d765-d898-4545-b45c-2add67f0c177%3Bvisit_session_id%3D68c8e567-1f6b-49ec-8929-a6f0ad01d533%3Bname%3DCourse%20Marketing&fmt=3&ct_cookie_present=false&sscte=1&crd=CJW3sQIIscGxAgiwwbECCLnBsQI&pscrd=IhMIiYbs_oeMhgMVIXRHAR0o7Qu6MgIIAzICCAQyAggHMgIICDICCAkyAggKMgIIAjICCAs6HGh0dHBzOi8vd3d3Lm1hc3RlcmNsYXNzLmNvbS8&is_vtc=1&cid=CAQSGwB7FLtq4A3tGNd05REqxiZloGmoxI3jnzQeUA&random=219118183&ipr=y

Request Chain 235

https://segment.prod.bidr.io/associate-segment?buzz_key=tatari&segment_key=tatari-958&value=&uncacheplz=7848109433 HTTP 303
https://segment.prod.bidr.io/associate-segment?buzz_key=tatari&segment_key=tatari-958&value=&uncacheplz=7848109433&_bee_ppp=1

Request Chain 259

https://insight.adsrvr.org/track/up?adv=4hom2c1&ref=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&upid=iynscu4&upv=1.1.0 HTTP 302
https://match.adsrvr.org/track/upb/?adv=4hom2c1&ref=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&upid=iynscu4&upv=1.1.0

Request Chain 274

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cache-control: no-cache
cf-ray: 8837596b9a2736bb-YYZ

GET
H2 401 current Show response
www.masterclass.com/jsonapi/v1/users/ 74 B
706 B 152ms
71ms Fetch
application/json 104.17.11.109
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

104.17.11.109 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

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Security Headers

Name	Value
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Request headers

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
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sec-ch-ua-platform: "Win32"

Response headers

date: Tue, 14 May 2024 02:09:59 GMT
strict-transport-security: max-age=15724800; includeSubDomains
x-content-type-options: nosniff
cf-cache-status: DYNAMIC
x-permitted-cross-domain-policies: none
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vary: Accept, Accept-Encoding, Origin
content-type: application/json
x-upstream: http://api_backend
cache-control: no-cache
cf-ray: 8837596c1a9436bb-YYZ

GET
H2 401 cart-data Show response
www.masterclass.com/jsonapi/v1/user/ 74 B
663 B 152ms
80ms Fetch
application/json 104.17.11.109
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

104.17.11.109 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

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Security Headers

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Request headers

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
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sec-ch-ua-mobile: ?0
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content-type: application/json
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sec-ch-ua-platform: "Win32"

Response headers

date: Tue, 14 May 2024 02:09:59 GMT
strict-transport-security: max-age=15724800; includeSubDomains
x-content-type-options: nosniff
cf-cache-status: DYNAMIC
x-permitted-cross-domain-policies: none
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server: cloudflare
x-download-options: noopen
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vary: Accept, Accept-Encoding, Origin
content-type: application/json
x-upstream: http://api_backend
cache-control: no-cache
cf-ray: 8837596c0a8d36bb-YYZ

GET
H2 401 current Show response
www.masterclass.com/jsonapi/v1/users/ 74 B
715 B 246ms
92ms Fetch
application/json 104.17.11.109
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

104.17.11.109 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

862f9989c51350d206b537e31746fd8df58400a0d1a5f728a0a35613d6b30a6a

Security Headers

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Request headers

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
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content-type: application/json
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sec-ch-ua-platform: "Win32"

Response headers

date: Tue, 14 May 2024 02:09:59 GMT
strict-transport-security: max-age=15724800; includeSubDomains
x-content-type-options: nosniff
cf-cache-status: DYNAMIC
x-permitted-cross-domain-policies: none
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x-download-options: noopen
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vary: Accept, Accept-Encoding, Origin
content-type: application/json
x-upstream: http://api_backend
cache-control: no-cache
cf-ray: 8837596c8b0c36bb-YYZ

GET
H2 401 cart-data Show response
www.masterclass.com/jsonapi/v1/user/ 74 B
774 B 235ms
82ms Fetch
application/json 104.17.11.109
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

104.17.11.109 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

862f9989c51350d206b537e31746fd8df58400a0d1a5f728a0a35613d6b30a6a

Security Headers

Name	Value
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X-Content-Type-Options	nosniff
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Request headers

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
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sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
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content-type: application/json
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sec-ch-ua-platform: "Win32"

Response headers

date: Tue, 14 May 2024 02:09:59 GMT
strict-transport-security: max-age=15724800; includeSubDomains
x-content-type-options: nosniff
cf-cache-status: DYNAMIC
x-permitted-cross-domain-policies: none
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x-download-options: noopen
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vary: Accept, Accept-Encoding, Origin
content-type: application/json
x-upstream: http://api_backend
cache-control: no-cache
cf-ray: 8837596c8b0e36bb-YYZ

GET
H2 401 current Show response
www.masterclass.com/jsonapi/v1/users/ 74 B
770 B 324ms
77ms Fetch
application/json 104.17.11.109
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

104.17.11.109 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

862f9989c51350d206b537e31746fd8df58400a0d1a5f728a0a35613d6b30a6a

Security Headers

Name	Value
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X-Content-Type-Options	nosniff
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Request headers

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
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sec-ch-ua-mobile: ?0
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content-type: application/json
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sec-ch-ua-platform: "Win32"

Response headers

date: Tue, 14 May 2024 02:09:59 GMT
strict-transport-security: max-age=15724800; includeSubDomains
x-content-type-options: nosniff
cf-cache-status: DYNAMIC
x-permitted-cross-domain-policies: none
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vary: Accept, Accept-Encoding, Origin
content-type: application/json
x-upstream: http://api_backend
cache-control: no-cache
cf-ray: 8837596d2bb236bb-YYZ

GET
H2 401 cart-data Show response
www.masterclass.com/jsonapi/v1/user/ 74 B
641 B 316ms
80ms Fetch
application/json 104.17.11.109
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

104.17.11.109 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

862f9989c51350d206b537e31746fd8df58400a0d1a5f728a0a35613d6b30a6a

Security Headers

Name	Value
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X-Content-Type-Options	nosniff
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Request headers

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
tracestate: 981762@nr=0-1-981762-1809867345-8032943ab566e680----1715652599602
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sec-ch-ua-mobile: ?0
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content-type: application/json
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sec-ch-ua-platform: "Win32"

Response headers

date: Tue, 14 May 2024 02:09:59 GMT
strict-transport-security: max-age=15724800; includeSubDomains
x-content-type-options: nosniff
cf-cache-status: DYNAMIC
x-permitted-cross-domain-policies: none
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x-download-options: noopen
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vary: Accept, Accept-Encoding, Origin
content-type: application/json
x-upstream: http://api_backend
cache-control: no-cache
cf-ray: 8837596d1ba836bb-YYZ

POST
H/1.1 200
OK browse Show response
ujjak2x1py-dsn.algolia.net/1/indexes/test_classes_sh/ 278 KB
69 KB 100ms
99ms XHR
application/json 38.134.107.17
COGENT-174

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

38.134.107.17 Santa Clara, United States, ASN174 (COGENT-174, US),

Reverse DNS

Software

nginx /

Resource Hash

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Security Headers

Name	Value
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X-Content-Type-Options	nosniff

Request headers

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
x-algolia-api-key: 200a495f09d8e72d4e93c3d15bd1c8dc
Accept-Language: en-CA,en;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
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content-type: application/x-www-form-urlencoded
x-algolia-application-id: UJJAK2X1PY
Referer: https://www.masterclass.com/
sec-ch-ua-platform: "Win32"

Response headers

Date: Tue, 14 May 2024 02:09:59 GMT
Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
X-Content-Type-Options: nosniff
Accept-Encoding: deflate, gzip
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Server: nginx
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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 97ms
97ms XHR
application/json 38.134.107.17
COGENT-174

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

38.134.107.17 Santa Clara, United States, ASN174 (COGENT-174, US),

Reverse DNS

Software

nginx /

Resource Hash

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Security Headers

Name	Value
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Request headers

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
x-algolia-api-key: 200a495f09d8e72d4e93c3d15bd1c8dc
Accept-Language: en-CA,en;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
content-type: application/x-www-form-urlencoded
x-algolia-application-id: UJJAK2X1PY
Referer: https://www.masterclass.com/
sec-ch-ua-platform: "Win32"

Response headers

Date: Tue, 14 May 2024 02:09:59 GMT
Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
X-Content-Type-Options: nosniff
Accept-Encoding: deflate, gzip
X-Alg-PT: 1
Server: nginx
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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 6598-892c36b08be4a3da.js
www.masterclass.com/_next/static/chunks/ 0
8 KB 51ms
50ms Other
application/javascript 104.17.11.109
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://www.masterclass.com/_next/static/chunks/6598-892c36b08be4a3da.js

Requested by

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

104.17.11.109 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

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Security Headers

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X-Xss-Protection	1; mode=block

Request headers

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
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
Accept-Language: en-CA,en;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Tue, 14 May 2024 02:10:00 GMT
strict-transport-security: max-age=15724800; includeSubDomains
x-content-type-options: nosniff
content-security-policy: frame-ancestors 'self' https://learn.masterclass.com
cf-cache-status: HIT
age: 532322
content-encoding: br
x-xss-protection: 1; mode=block
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server: cloudflare
etag: W/"675d-18f547c2448"
vary: Accept-Encoding
content-type: application/javascript; charset=UTF-8
x-upstream: http://next_frontend
cache-control: public, max-age=31536000
cf-ray: 8837596e1cdf36bb-YYZ
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Full URL

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AMAZON-02

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access-control-allow-methods: GET, POST
content-type: text/html;charset=utf-8
access-control-allow-origin: *
trace-id: Root=1-6642c7f9-1ceca71b538106fa7968c1ed
content-length: 7

POST
H2 200 t Show response
api.segment.io/v1/ 21 B
177 B 401ms
198ms Fetch
application/json 54.69.251.6
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

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

Reverse DNS

ec2-54-69-251-6.us-west-2.compute.amazonaws.com

Software

Resource Hash

12f71cb993958eefc4bdb41d7dbbda490779a9c7aba448f7be52bb63912e0254

Security Headers

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

Request headers

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
sec-ch-ua-platform: "Win32"
Referer: https://www.masterclass.com/
Accept-Language: en-CA,en;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
Content-Type: text/plain

Response headers

access-control-allow-origin: https://www.masterclass.com
date: Tue, 14 May 2024 02:10:01 GMT
strict-transport-security: max-age=31536000
content-length: 21
vary: Origin
content-type: application/json

POST
H2 200 collect Show response
www.google-analytics.com/j/ 15 B
224 B 54ms
53ms XHR
text/plain 172.253.62.102
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.google-analytics.com/j/collect?v=1&_v=j101&a=874547158&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-ca&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=Media%20Playback%20Settings%20Toggled&ev=0&_u=KGBAgEABAAAAACAAIAB~&jid=53353587&gjid=1048503911&cid=914628978.1715652601&tid=UA-78250207-2&_gid=1773459987.1715652601&_slc=1&z=1813380624

Requested by

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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

Reverse DNS

bc-in-f102.1e100.net

Software

Golfe2 /

Resource Hash

7c84162d7d190aaa73841763c42d05311be64033a1aac8b953b33ca36edd3bef

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
sec-ch-ua-platform: "Win32"
Referer: https://www.masterclass.com/
Accept-Language: en-CA,en;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
Content-Type: text/plain

Response headers

pragma: no-cache
date: Tue, 14 May 2024 02:10:01 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
352 B 108ms
53ms XHR
text/plain 142.251.111.155
GOOGLE

General

Check archive.org

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=914628978.1715652601&jid=53353587&gjid=1048503911&_gid=1773459987.1715652601&_u=KGBAgEABAAAAAGAAIAB~&z=1605677253

Requested by

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

142.251.111.155 Farmingdale, United States, ASN15169 (GOOGLE, US),

Reverse DNS

bk-in-f155.1e100.net

Software

Golfe2 /

Resource Hash

8685bca4bb29a8a8289c3effd282cb8718a7d14da65f1397481f213b15469f50

Security Headers

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

Request headers

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
sec-ch-ua-platform: "Win32"
Referer: https://www.masterclass.com/
Accept-Language: en-CA,en;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
Content-Type: text/plain

Response headers

pragma: no-cache
strict-transport-security: max-age=10886400; includeSubDomains; preload
date: Tue, 14 May 2024 02:10:01 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
H2 200 t Show response
api.segment.io/v1/ 21 B
176 B 426ms
244ms Fetch
application/json 54.69.251.6
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

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

Reverse DNS

ec2-54-69-251-6.us-west-2.compute.amazonaws.com

Software

Resource Hash

12f71cb993958eefc4bdb41d7dbbda490779a9c7aba448f7be52bb63912e0254

Security Headers

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

Request headers

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
sec-ch-ua-platform: "Win32"
Referer: https://www.masterclass.com/
Accept-Language: en-CA,en;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
Content-Type: text/plain

Response headers

access-control-allow-origin: https://www.masterclass.com
date: Tue, 14 May 2024 02:10:01 GMT
strict-transport-security: max-age=31536000
content-length: 21
vary: Origin
content-type: application/json

GET
H2 200 collect
www.google-analytics.com/ 35 B
133 B 47ms
47ms Image
image/gif 172.253.62.102
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=874547158&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-ca&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=914628978.1715652601&tid=UA-78250207-2&_gid=1773459987.1715652601&z=845835713

Requested by

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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

Reverse DNS

bc-in-f102.1e100.net

Software

Golfe2 /

Resource Hash

8337212354871836e6763a41e615916c89bac5b3f1f0adf60ba43c7c806e1015

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer: https://www.masterclass.com/
Accept-Language: en-CA,en;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

pragma: no-cache
date: Mon, 13 May 2024 17:58:44 GMT
x-content-type-options: nosniff
last-modified: Sun, 17 May 1998 03:00:00 GMT
server: Golfe2
age: 29477
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
176 B 379ms
206ms Fetch
application/json 54.69.251.6
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

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

Reverse DNS

ec2-54-69-251-6.us-west-2.compute.amazonaws.com

Software

Resource Hash

12f71cb993958eefc4bdb41d7dbbda490779a9c7aba448f7be52bb63912e0254

Security Headers

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

Request headers

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
sec-ch-ua-platform: "Win32"
Referer: https://www.masterclass.com/
Accept-Language: en-CA,en;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
Content-Type: text/plain

Response headers

access-control-allow-origin: https://www.masterclass.com
date: Tue, 14 May 2024 02:10:01 GMT
strict-transport-security: max-age=31536000
content-length: 21
vary: Origin
content-type: application/json

GET
H2 200 collect
www.google-analytics.com/ 35 B
92 B 47ms
46ms Image
image/gif 172.253.62.102
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=874547158&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-ca&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=Viewed%20CM%20Header&ev=0&_u=KGBAgEABAAAAAGAAIAB~&jid=&gjid=&cid=914628978.1715652601&tid=UA-78250207-2&_gid=1773459987.1715652601&z=495383212

Requested by

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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

Reverse DNS

bc-in-f102.1e100.net

Software

Golfe2 /

Resource Hash

8337212354871836e6763a41e615916c89bac5b3f1f0adf60ba43c7c806e1015

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer: https://www.masterclass.com/
Accept-Language: en-CA,en;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

pragma: no-cache
date: Mon, 13 May 2024 17:58:44 GMT
x-content-type-options: nosniff
last-modified: Sun, 17 May 1998 03:00:00 GMT
server: Golfe2
age: 29477
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
176 B 371ms
205ms Fetch
application/json 54.69.251.6
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

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

Reverse DNS

ec2-54-69-251-6.us-west-2.compute.amazonaws.com

Software

Resource Hash

12f71cb993958eefc4bdb41d7dbbda490779a9c7aba448f7be52bb63912e0254

Security Headers

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

Request headers

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
sec-ch-ua-platform: "Win32"
Referer: https://www.masterclass.com/
Accept-Language: en-CA,en;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
Content-Type: text/plain

Response headers

access-control-allow-origin: https://www.masterclass.com
date: Tue, 14 May 2024 02:10:01 GMT
strict-transport-security: max-age=31536000
content-length: 21
vary: Origin
content-type: application/json

GET
H2 200 collect
www.google-analytics.com/ 35 B
92 B 45ms
44ms Image
image/gif 172.253.62.102
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=874547158&t=event&ni=0&_s=4&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-ca&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=1015&_u=KGBAgEABAAAAAGAAIAB~&jid=&gjid=&cid=914628978.1715652601&tid=UA-78250207-2&_gid=1773459987.1715652601&z=722226668

Requested by

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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

Reverse DNS

bc-in-f102.1e100.net

Software

Golfe2 /

Resource Hash

8337212354871836e6763a41e615916c89bac5b3f1f0adf60ba43c7c806e1015

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer: https://www.masterclass.com/
Accept-Language: en-CA,en;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

pragma: no-cache
date: Mon, 13 May 2024 17:58:44 GMT
x-content-type-options: nosniff
last-modified: Sun, 17 May 1998 03:00:00 GMT
server: Golfe2
age: 29477
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
176 B 454ms
296ms Fetch
application/json 54.69.251.6
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

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

Reverse DNS

ec2-54-69-251-6.us-west-2.compute.amazonaws.com

Software

Resource Hash

12f71cb993958eefc4bdb41d7dbbda490779a9c7aba448f7be52bb63912e0254

Security Headers

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

Request headers

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
sec-ch-ua-platform: "Win32"
Referer: https://www.masterclass.com/
Accept-Language: en-CA,en;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
Content-Type: text/plain

Response headers

access-control-allow-origin: https://www.masterclass.com
date: Tue, 14 May 2024 02:10:01 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 45ms
45ms Script
text/javascript 172.253.62.102
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

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

Reverse DNS

bc-in-f102.1e100.net

Software

sffe /

Resource Hash

058ed961bfe422af7bfc65865f4c08531ec8ace995f8a1ec560a46581cb7712c

Security Headers

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

Request headers

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer: https://www.masterclass.com/
Accept-Language: en-CA,en;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Tue, 14 May 2024 01:35:31 GMT
content-encoding: br
x-content-type-options: nosniff
age: 2070
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: Tue, 14 May 2024 02:35:31 GMT

POST
H2 200 t Show response
api.segment.io/v1/ 21 B
176 B 357ms
206ms Fetch
application/json 54.69.251.6
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

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

Reverse DNS

ec2-54-69-251-6.us-west-2.compute.amazonaws.com

Software

Resource Hash

12f71cb993958eefc4bdb41d7dbbda490779a9c7aba448f7be52bb63912e0254

Security Headers

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

Request headers

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
sec-ch-ua-platform: "Win32"
Referer: https://www.masterclass.com/
Accept-Language: en-CA,en;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
Content-Type: text/plain

Response headers

access-control-allow-origin: https://www.masterclass.com
date: Tue, 14 May 2024 02:10:01 GMT
strict-transport-security: max-age=31536000
content-length: 21
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POST
H2 200 t Show response
api.segment.io/v1/ 21 B
176 B 445ms
298ms Fetch
application/json 54.69.251.6
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

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

Reverse DNS

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Software

Resource Hash

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Security Headers

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Request headers

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sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
Content-Type: text/plain

Response headers

access-control-allow-origin: https://www.masterclass.com
date: Tue, 14 May 2024 02:10:01 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 437ms
297ms Fetch
application/json 54.69.251.6
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

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

Reverse DNS

ec2-54-69-251-6.us-west-2.compute.amazonaws.com

Software

Resource Hash

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Security Headers

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Request headers

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sec-ch-ua-platform: "Win32"
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Accept-Language: en-CA,en;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
Content-Type: text/plain

Response headers

access-control-allow-origin: https://www.masterclass.com
date: Tue, 14 May 2024 02:10:01 GMT
strict-transport-security: max-age=31536000
content-length: 21
vary: Origin
content-type: application/json

POST
H2 200 p Show response
api.segment.io/v1/ 21 B
176 B 429ms
298ms Fetch
application/json 54.69.251.6
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

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

Reverse DNS

ec2-54-69-251-6.us-west-2.compute.amazonaws.com

Software

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Security Headers

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Request headers

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
sec-ch-ua-platform: "Win32"
Referer: https://www.masterclass.com/
Accept-Language: en-CA,en;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
Content-Type: text/plain

Response headers

access-control-allow-origin: https://www.masterclass.com
date: Tue, 14 May 2024 02:10:01 GMT
strict-transport-security: max-age=31536000
content-length: 21
vary: Origin
content-type: application/json

GET
H3 200 / Show response
googleads.g.doubleclick.net/pagead/viewthroughconversion/952839809/ 4 KB
2 KB 158ms
61ms Script
text/javascript 172.253.62.157
GOOGLE

General

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Show headers Download Go to

Full URL

https://googleads.g.doubleclick.net/pagead/viewthroughconversion/952839809/?random=1715652601141&cv=11&fst=1715652601141&bg=ffffff&guid=ON&async=1&gtm=45be45d0v876889216za200&gcd=13l3l3l3l1&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&npa=0&pscdl=noapi&auid=1276737956.1715652601&uaa=x86&uab=64&uafvl=Chromium%3B124.0.6367.201%7CGoogle%2520Chrome%3B124.0.6367.201%7CNot-A.Brand%3B99.0.0.0&uamb=0&uam=&uap=Win32&uapv=10.0.0&uaw=0&fdr=QA&data=event%3Dgtag.config&rfmt=3&fmt=4

Requested by

Protocol

Security

QUIC, , AES_128_GCM

Server

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

Reverse DNS

bc-in-f157.1e100.net

Software

cafe /

Resource Hash

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Security Headers

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Request headers

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer: https://www.masterclass.com/
Accept-Language: en-CA,en;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

pragma: no-cache
date: Tue, 14 May 2024 02:10:01 GMT
content-encoding: br
x-content-type-options: nosniff
server: cafe
content-type: text/javascript; charset=UTF-8
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cache-control: no-cache, must-revalidate
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x-xss-protection: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
H3 200 / Show response
www.googleadservices.com/pagead/conversion/952839809/ 4 KB
2 KB 109ms
60ms Script
text/javascript 142.251.111.154
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.googleadservices.com/pagead/conversion/952839809/?random=1715652601167&cv=11&fst=1715652601167&bg=ffffff&guid=ON&async=1&gtm=45be45d0v876889216za200&gcd=13l3l3l3l1&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&npa=0&pscdl=noapi&auid=1276737956.1715652601&uaa=x86&uab=64&uafvl=Chromium%3B124.0.6367.201%7CGoogle%2520Chrome%3B124.0.6367.201%7CNot-A.Brand%3B99.0.0.0&uamb=0&uam=&uap=Win32&uapv=10.0.0&uaw=0&fdr=QA&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%2Cen-CA%3Bgeo%3DCA%3Bregion%3DCA-ON%3Bevent_id%3D7a79d765-d898-4545-b45c-2add67f0c177%3Bvisit_session_id%3D68c8e567-1f6b-49ec-8929-a6f0ad01d533%3Bname%3DCourse%20Marketing&rfmt=3&fmt=4

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Protocol

Security

QUIC, , AES_128_GCM

Server

142.251.111.154 Farmingdale, United States, ASN15169 (GOOGLE, US),

Reverse DNS

bk-in-f154.1e100.net

Software

cafe /

Resource Hash

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Security Headers

Name	Value
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Request headers

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer: https://www.masterclass.com/
Accept-Language: en-CA,en;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

pragma: no-cache
date: Tue, 14 May 2024 02:10:01 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: 1926
x-xss-protection: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
H2 200 js Show response
www.googletagmanager.com/gtag/ 279 KB
96 KB 65ms
64ms Script
application/javascript 172.253.122.97
GOOGLE

General

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Show headers Download Go to

Full URL

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

Requested by

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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

Reverse DNS

bh-in-f97.1e100.net

Software

Google Tag Manager /

Resource Hash

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Security Headers

Name	Value
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X-Xss-Protection	0

Request headers

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer: https://www.masterclass.com/
Accept-Language: en-CA,en;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Tue, 14 May 2024 02:10:01 GMT
content-encoding: br
strict-transport-security: max-age=31536000; includeSubDomains
server: Google Tag Manager
vary: Accept-Encoding
content-type: application/javascript; charset=UTF-8
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alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
expires: Tue, 14 May 2024 02:10:01 GMT

GET
H3 200 ga-audiences
www.google.com/ads/ 42 B
63 B 197ms
104ms Image
image/gif 172.253.62.104
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

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=914628978.1715652601&jid=53353587&_u=KGBAgEABAAAAAGAAIAB~&z=293155041

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Protocol

Security

QUIC, , AES_128_GCM

Server

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

Reverse DNS

bc-in-f104.1e100.net

Software

cafe /

Resource Hash

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Security Headers

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Request headers

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer: https://www.masterclass.com/
Accept-Language: en-CA,en;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

pragma: no-cache
date: Tue, 14 May 2024 02:10:01 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
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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
H3 200 ga-audiences
www.google.ca/ads/ 42 B
63 B 112ms
111ms Image
image/gif 142.251.16.94
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

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=914628978.1715652601&jid=53353587&_u=KGBAgEABAAAAAGAAIAB~&z=293155041

Requested by

Protocol

Security

QUIC, , AES_128_GCM

Server

142.251.16.94 Farmingdale, United States, ASN15169 (GOOGLE, US),

Reverse DNS

bl-in-f94.1e100.net

Software

cafe /

Resource Hash

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Security Headers

Name	Value
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Request headers

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer: https://www.masterclass.com/
Accept-Language: en-CA,en;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

pragma: no-cache
date: Tue, 14 May 2024 02:10:01 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
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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

GET
H2 200 _latest.min.js Show response
static.getangler.ai/dist/analytics/ 6 KB
3 KB 561ms
465ms Script
text/javascript 108.138.64.55
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static.getangler.ai/dist/analytics/_latest.min.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: 108.138.64.55 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-108-138-64-55.iad12.r.cloudfront.net
Software: AmazonS3 /
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Request headers

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer: https://www.masterclass.com/
Accept-Language: en-CA,en;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Mon, 13 May 2024 18:19:46 GMT
content-encoding: gzip
via: 1.1 e6c353101750d150139bda8d95719802.cloudfront.net (CloudFront)
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server: AmazonS3
x-amz-cf-pop: IAD12-P1
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content-type: text/javascript
x-amz-cf-id: eDLzDqDZAmsSDG3nwpOGGNGNIbRwHbguTU_fle6rAwvIzdLFQGDPAQ==

GET
H2 200 js Show response
www.googletagmanager.com/gtag/ 275 KB
94 KB 95ms
95ms Script
application/javascript 172.253.122.97
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.googletagmanager.com/gtag/js?id=G-MXX8KXSBK0&l=dataLayer&cx=c

Requested by

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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

Reverse DNS

bh-in-f97.1e100.net

Software

Google Tag Manager /

Resource Hash

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Security Headers

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Request headers

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sec-ch-ua-mobile: ?0
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sec-ch-ua-platform: "Win32"

Response headers

date: Tue, 14 May 2024 02:10:01 GMT
content-encoding: br
strict-transport-security: max-age=31536000; includeSubDomains
server: Google Tag Manager
vary: Accept-Encoding
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GET
H2 200 80752cd2-8169-4cd3-befe-3f633477145b-latest.js Show response
d2hrivdxn8ekm8.cloudfront.net/tag-manager/ 7 KB
7 KB 150ms
48ms Script
application/javascript 18.67.79.197
AMAZON-02

General

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Show headers Download Go to

Full URL: https://d2hrivdxn8ekm8.cloudfront.net/tag-manager/80752cd2-8169-4cd3-befe-3f633477145b-latest.js
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Software: AmazonS3 /
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Request headers

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sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

x-amz-version-id: HV_EZPUgJZPeE16dmA.01sxbUoXBv0RL
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via: 1.1 7a887c7cb9fe4a7abca02d85e8b196e8.cloudfront.net (CloudFront)
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server: AmazonS3
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42ms Script
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CLOUDFLARENET

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https://cdnjs.cloudflare.com/ajax/libs/js-sha256/0.9.0/sha256.min.js

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QUIC, , AES_128_GCM

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GET
H/1.1 200
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48ms Script
application/javascript 34.238.149.65
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H/1.1

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43 B
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46ms
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AMAZON-AES

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Request headers

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Response headers

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Redirect headers

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GET
H2 200 t.png
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194 B 367ms
111ms Image
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AMAZON-02

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Response headers

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GET
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12 KB 48ms
46ms Script
application/x-javascript 31.13.66.19
FACEBOOK

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Response headers

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GET
H3 200 collect
www.google-analytics.com/ 35 B
55 B 95ms
93ms Image
image/gif 172.253.62.102
GOOGLE

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Full URL

https://www.google-analytics.com/collect?v=1&_v=j101&a=874547158&t=event&ni=1&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-ca&de=UTF-8&dt=Matthew%20Walker%20Teaches%20the%20Science%20of%20Better%20Sleep&sd=24-bit&sr=1600x1200&vp=1600x1200&je=0&ec=EnhancedEcommerce&ea=Product%20Viewed&_u=aGBAgEIJAAAAAGAMIAB~&jid=&gjid=&cid=914628978.1715652601&tid=UA-78250207-2&_gid=1773459987.1715652601&pa=detail&pr1id=course-207&pr1nm=Matthew%20Walker%20Teaches%20the%20Science%20of%20Better%20Sleep&pr1ca=cat-334&pr1qt=1&pr1pr=126.310604&z=998826170

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Protocol

Security

QUIC, , AES_128_GCM

Server

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Reverse DNS

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Software

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Request headers

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sec-ch-ua-platform: "Win32"

Response headers

pragma: no-cache
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server: Golfe2
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GET
H3 200 collect
www.google-analytics.com/ 35 B
55 B 94ms
91ms Image
image/gif 172.253.62.102
GOOGLE

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Show headers Download Go to Show image

Full URL

https://www.google-analytics.com/collect?v=1&_v=j101&a=874547158&t=event&ni=0&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&ul=en-ca&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=aGBAgEIJAAAAAGAMIAB~&jid=&gjid=&cid=914628978.1715652601&tid=UA-78250207-2&_gid=1773459987.1715652601&z=1624607454

Requested by

Protocol

Security

QUIC, , AES_128_GCM

Server

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

Reverse DNS

bc-in-f102.1e100.net

Software

Golfe2 /

Resource Hash

8337212354871836e6763a41e615916c89bac5b3f1f0adf60ba43c7c806e1015

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer: https://www.masterclass.com/
Accept-Language: en-CA,en;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

pragma: no-cache
date: Mon, 13 May 2024 21:22:05 GMT
x-content-type-options: nosniff
last-modified: Sun, 17 May 1998 03:00:00 GMT
server: Golfe2
age: 17276
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

GET
H3 200 collect
www.google-analytics.com/ 35 B
55 B 138ms
135ms Image
image/gif 172.253.62.102
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=874547158&t=event&ni=0&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&ul=en-ca&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=aGBAgEIJAAAAAGAMIAB~&jid=&gjid=&cid=914628978.1715652601&tid=UA-78250207-2&_gid=1773459987.1715652601&z=1939697531

Requested by

Protocol

Security

QUIC, , AES_128_GCM

Server

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

Reverse DNS

bc-in-f102.1e100.net

Software

Golfe2 /

Resource Hash

8337212354871836e6763a41e615916c89bac5b3f1f0adf60ba43c7c806e1015

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer: https://www.masterclass.com/
Accept-Language: en-CA,en;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

pragma: no-cache
date: Mon, 13 May 2024 21:22:05 GMT
x-content-type-options: nosniff
last-modified: Sun, 17 May 1998 03:00:00 GMT
server: Golfe2
age: 17276
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

GET
H3 200 collect
www.google-analytics.com/ 35 B
55 B 138ms
136ms Image
image/gif 172.253.62.102
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=874547158&t=pageview&cu=USD&_s=8&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-ca&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=914628978.1715652601&tid=UA-78250207-2&_gid=1773459987.1715652601&z=1906665185

Requested by

Protocol

Security

QUIC, , AES_128_GCM

Server

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

Reverse DNS

bc-in-f102.1e100.net

Software

Golfe2 /

Resource Hash

8337212354871836e6763a41e615916c89bac5b3f1f0adf60ba43c7c806e1015

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer: https://www.masterclass.com/
Accept-Language: en-CA,en;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

pragma: no-cache
date: Mon, 13 May 2024 21:22:05 GMT
x-content-type-options: nosniff
last-modified: Sun, 17 May 1998 03:00:00 GMT
server: Golfe2
age: 17276
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

GET
H3 200 collect
www.google-analytics.com/ 35 B
55 B 137ms
136ms Image
image/gif 172.253.62.102
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=874547158&t=event&ni=1&cu=USD&_s=9&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-ca&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=914628978.1715652601&tid=UA-78250207-2&_gid=1773459987.1715652601&z=922169690

Requested by

Protocol

Security

QUIC, , AES_128_GCM

Server

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

Reverse DNS

bc-in-f102.1e100.net

Software

Golfe2 /

Resource Hash

8337212354871836e6763a41e615916c89bac5b3f1f0adf60ba43c7c806e1015

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer: https://www.masterclass.com/
Accept-Language: en-CA,en;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

pragma: no-cache
date: Mon, 13 May 2024 21:22:05 GMT
x-content-type-options: nosniff
last-modified: Sun, 17 May 1998 03:00:00 GMT
server: Golfe2
age: 17276
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

GET
H3

200

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

https://googleads.g.doubleclick.net/pagead/viewthroughconversion/952839809/?random=2062689783&cv=11&fst=1715652601167&bg=ffffff&guid=ON&async=1&gtm=45be45d0v876889216za200&gcd=13l3l3l3l1&dma=0&u_w=...
https://www.google.com/pagead/1p-conversion/952839809/?random=2062689783&cv=11&fst=1715652601167&bg=ffffff&guid=ON&async=1&gtm=45be45d0v876889216za200&gcd=13l3l3l3l1&dma=0&u_w=1600&u_h=1200&url=htt...
https://www.google.ca/pagead/1p-conversion/952839809/?random=2062689783&cv=11&fst=1715652601167&bg=ffffff&guid=ON&async=1&gtm=45be45d0v876889216za200&gcd=13l3l3l3l1&dma=0&u_w=1600&u_h=1200&url=http...

42 B
64 B

61ms
60ms

Image
image/gif

142.251.16.94
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.google.ca/pagead/1p-conversion/952839809/?random=2062689783&cv=11&fst=1715652601167&bg=ffffff&guid=ON&async=1&gtm=45be45d0v876889216za200&gcd=13l3l3l3l1&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&npa=0&pscdl=noapi&auid=1276737956.1715652601&uaa=x86&uab=64&uafvl=Chromium%3B124.0.6367.201%7CGoogle%2520Chrome%3B124.0.6367.201%7CNot-A.Brand%3B99.0.0.0&uamb=0&uam=&uap=Win32&uapv=10.0.0&uaw=0&fdr=QA&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%2Cen-CA%3Bgeo%3DCA%3Bregion%3DCA-ON%3Bevent_id%3D7a79d765-d898-4545-b45c-2add67f0c177%3Bvisit_session_id%3D68c8e567-1f6b-49ec-8929-a6f0ad01d533%3Bname%3DCourse%20Marketing&fmt=3&ct_cookie_present=false&sscte=1&crd=CJW3sQIIscGxAgiwwbECCLnBsQI&pscrd=IhMIiYbs_oeMhgMVIXRHAR0o7Qu6MgIIAzICCAQyAggHMgIICDICCAkyAggKMgIIAjICCAs6HGh0dHBzOi8vd3d3Lm1hc3RlcmNsYXNzLmNvbS8&is_vtc=1&cid=CAQSGwB7FLtq4A3tGNd05REqxiZloGmoxI3jnzQeUA&random=219118183&ipr=y

Requested by

Protocol

Server

142.251.16.94 Farmingdale, United States, ASN15169 (GOOGLE, US),

Reverse DNS

bl-in-f94.1e100.net

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;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/124.0.0.0 Safari/537.36

Response headers

pragma: no-cache
date: Tue, 14 May 2024 02:10:01 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

Redirect headers

pragma: no-cache
date: Tue, 14 May 2024 02:10:01 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"
location: https://www.google.ca/pagead/1p-conversion/952839809/?random=2062689783&cv=11&fst=1715652601167&bg=ffffff&guid=ON&async=1&gtm=45be45d0v876889216za200&gcd=13l3l3l3l1&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&npa=0&pscdl=noapi&auid=1276737956.1715652601&uaa=x86&uab=64&uafvl=Chromium%3B124.0.6367.201%7CGoogle%2520Chrome%3B124.0.6367.201%7CNot-A.Brand%3B99.0.0.0&uamb=0&uam=&uap=Win32&uapv=10.0.0&uaw=0&fdr=QA&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%2Cen-CA%3Bgeo%3DCA%3Bregion%3DCA-ON%3Bevent_id%3D7a79d765-d898-4545-b45c-2add67f0c177%3Bvisit_session_id%3D68c8e567-1f6b-49ec-8929-a6f0ad01d533%3Bname%3DCourse%20Marketing&fmt=3&ct_cookie_present=false&sscte=1&crd=CJW3sQIIscGxAgiwwbECCLnBsQI&pscrd=IhMIiYbs_oeMhgMVIXRHAR0o7Qu6MgIIAzICCAQyAggHMgIICDICCAkyAggKMgIIAjICCAs6HGh0dHBzOi8vd3d3Lm1hc3RlcmNsYXNzLmNvbS8&is_vtc=1&cid=CAQSGwB7FLtq4A3tGNd05REqxiZloGmoxI3jnzQeUA&random=219118183&ipr=y
content-type: image/gif
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 204 collect
analytics.google.com/g/ 0
54 B 56ms
53ms Ping
text/plain 142.251.16.101
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL: https://analytics.google.com/g/collect?v=2&tid=G-TXTKCL3651&gtm=45je45d0v9135202525za200&_p=1715652600568&_gaz=1&gcd=13l3l3l3l2&npa=0&dma=0&ul=en-ca&sr=1600x1200&cid=914628978.1715652601&ir=1&uaa=x86&uab=64&uafvl=Chromium%3B124.0.6367.201%7CGoogle%2520Chrome%3B124.0.6367.201%7CNot-A.Brand%3B99.0.0.0&uamb=0&uam=&uap=Win32&uapv=10.0.0&uaw=0&frm=0&pscdl=noapi&_eu=EBAI&_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&dt=Matthew%20Walker%20Teaches%20the%20Science%20of%20Better%20Sleep&cn=JShettyLaunchedLastWeek&cs=Email&cm=Blast&ck=REMCAN&cc=12023_Email_Blast_ClassLaunch_JShettyClassLaunch3LaunchedLastWeek_REMCAN&sid=1715652601&sct=1&seg=0&en=Media%20Playback%20Settings%20Toggled&_fv=1&_ss=1&_ee=1&ep.event_category=All&ep.value=0&tfd=3121
Requested by: Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-TXTKCL3651&cx=c&_slc=1
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 142.251.16.101 Farmingdale, United States, ASN15169 (GOOGLE, US),
Reverse DNS: bl-in-f101.1e100.net
Software: Golfe2 /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer: https://www.masterclass.com/
Accept-Language: en-CA,en;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

pragma: no-cache
date: Tue, 14 May 2024 02:10:01 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
45 B 58ms
55ms Ping
text/plain 142.251.111.155
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL: https://stats.g.doubleclick.net/g/collect?v=2&tid=G-TXTKCL3651&cid=914628978.1715652601&gtm=45je45d0v9135202525za200&aip=1&dma=0&gcd=13l3l3l3l2&npa=0&frm=0
Requested by: Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-TXTKCL3651&cx=c&_slc=1
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 142.251.111.155 Farmingdale, United States, ASN15169 (GOOGLE, US),
Reverse DNS: bk-in-f155.1e100.net
Software: Golfe2 /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer: https://www.masterclass.com/
Accept-Language: en-CA,en;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

pragma: no-cache
date: Tue, 14 May 2024 02:10:01 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
H3 200 ga-audiences
www.google.ca/ads/ 42 B
63 B 104ms
104ms Image
image/gif 142.251.16.94
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.google.ca/ads/ga-audiences?v=1&t=sr&slf_rd=1&_r=4&tid=G-TXTKCL3651&cid=914628978.1715652601&gtm=45je45d0v9135202525za200&aip=1&dma=0&gcd=13l3l3l3l2&npa=0&frm=0&z=1755951652

Requested by

Protocol

Security

QUIC, , AES_128_GCM

Server

142.251.16.94 Farmingdale, United States, ASN15169 (GOOGLE, US),

Reverse DNS

bl-in-f94.1e100.net

Software

cafe /

Resource Hash

ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629

Security Headers

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

Request headers

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer: https://www.masterclass.com/
Accept-Language: en-CA,en;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

pragma: no-cache
date: Tue, 14 May 2024 02:10:01 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
H3 200 /
www.google.com/pagead/1p-user-list/952839809/ 42 B
64 B 59ms
58ms Image
image/gif 172.253.62.104
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.google.com/pagead/1p-user-list/952839809/?random=1715652601141&cv=11&fst=1715652000000&bg=ffffff&guid=ON&async=1&gtm=45be45d0v876889216za200&gcd=13l3l3l3l1&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&npa=0&pscdl=noapi&auid=1276737956.1715652601&uaa=x86&uab=64&uafvl=Chromium%3B124.0.6367.201%7CGoogle%2520Chrome%3B124.0.6367.201%7CNot-A.Brand%3B99.0.0.0&uamb=0&uam=&uap=Win32&uapv=10.0.0&uaw=0&fdr=QA&data=event%3Dgtag.config&rfmt=3&fmt=3&is_vtc=1&cid=CAQSGwB7FLtqGDkLV81s4kDvD_m4JLDq8KNFd1-hBw&random=1805206743&rmt_tld=0&ipr=y

Requested by

Protocol

Security

QUIC, , AES_128_GCM

Server

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

Reverse DNS

bc-in-f104.1e100.net

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

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer: https://www.masterclass.com/
Accept-Language: en-CA,en;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

pragma: no-cache
date: Tue, 14 May 2024 02:10:01 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
H3 200 /
www.google.ca/pagead/1p-user-list/952839809/ 42 B
64 B 58ms
57ms Image
image/gif 142.251.16.94
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.google.ca/pagead/1p-user-list/952839809/?random=1715652601141&cv=11&fst=1715652000000&bg=ffffff&guid=ON&async=1&gtm=45be45d0v876889216za200&gcd=13l3l3l3l1&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&npa=0&pscdl=noapi&auid=1276737956.1715652601&uaa=x86&uab=64&uafvl=Chromium%3B124.0.6367.201%7CGoogle%2520Chrome%3B124.0.6367.201%7CNot-A.Brand%3B99.0.0.0&uamb=0&uam=&uap=Win32&uapv=10.0.0&uaw=0&fdr=QA&data=event%3Dgtag.config&rfmt=3&fmt=3&is_vtc=1&cid=CAQSGwB7FLtqGDkLV81s4kDvD_m4JLDq8KNFd1-hBw&random=1805206743&rmt_tld=1&ipr=y

Requested by

Protocol

Security

QUIC, , AES_128_GCM

Server

142.251.16.94 Farmingdale, United States, ASN15169 (GOOGLE, US),

Reverse DNS

bl-in-f94.1e100.net

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

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer: https://www.masterclass.com/
Accept-Language: en-CA,en;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

pragma: no-cache
date: Tue, 14 May 2024 02:10:01 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.facebook.com/tr/ 0
274 B 193ms
102ms Image
text/plain 31.13.66.35
FACEBOOK

General

Check archive.org

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=1715652601434&sw=1600&sh=1200&ud[external_id]=af595882d557a8139740b9897eb2576af03cc9df49c8a134fc681ebdcdc1de02&v=2.9.156&r=stable&a=seg&ec=0&o=4125&fbp=fb.1.1715652601433.1367391039&ler=empty&cdl=API_unavailable&it=1715652601265&coo=false&dpo=LDU&dpoco=0&dpost=0&eid=ajs-next-1715652601014-f47b414f-cdba-4cfa-bd14-b306947b0043&rqm=GET

Requested by

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

31.13.66.35 Ashburn, United States, ASN32934 (FACEBOOK, US),

Reverse DNS

edge-star-mini-shv-01-iad3.facebook.com

Software

proxygen-bolt /

Resource Hash

e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Security Headers

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

Request headers

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer: https://www.masterclass.com/
Accept-Language: en-CA,en;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

x-fb-connection-quality: EXCELLENT; q=0.9, rtt=41, rtx=0, c=10, mss=1313, tbw=2779, tp=-1, tpl=-1, uplat=0, ullat=1
strict-transport-security: max-age=31536000; includeSubDomains
date: Tue, 14 May 2024 02:10:01 GMT
server: proxygen-bolt
content-type: text/plain
access-control-allow-origin
access-control-allow-credentials: true
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=86400
content-length: 0

POST
H3 204 collect
www.google-analytics.com/g/ 0
17 B 53ms
53ms Ping
text/plain 172.253.62.102
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL: https://www.google-analytics.com/g/collect?v=2&tid=G-MXX8KXSBK0&gtm=45je45d0v886423163z871091196za200&_p=1715652600568&gcd=13l3l3l3l1&npa=0&dma=0&cid=914628978.1715652601&ul=en-ca&sr=1600x1200&uaa=x86&uab=64&uafvl=Chromium%3B124.0.6367.201%7CGoogle%2520Chrome%3B124.0.6367.201%7CNot-A.Brand%3B99.0.0.0&uamb=0&uam=&uap=Win32&uapv=10.0.0&uaw=0&frm=0&pscdl=noapi&_s=1&sid=1715652601&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&tfd=3228
Requested by: Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-MXX8KXSBK0&l=dataLayer&cx=c
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 172.253.62.102 , United States, ASN15169 (GOOGLE, US),
Reverse DNS: bc-in-f102.1e100.net
Software: Golfe2 /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer: https://www.masterclass.com/
Accept-Language: en-CA,en;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

pragma: no-cache
date: Tue, 14 May 2024 02:10:01 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 204 5563574.js Show response
bat.bing.com/p/action/ 0
118 B 58ms
58ms Script
text/plain 13.107.21.237
MICROSOFT-CORP-MS...

General

Check archive.org

Show headers Download Go to

Full URL

https://bat.bing.com/p/action/5563574.js

Requested by

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_256_GCM

Server

13.107.21.237 , 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

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer: https://www.masterclass.com/
Accept-Language: en-CA,en;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

strict-transport-security: max-age=31536000; includeSubDomains; preload
cache-control: private,max-age=1800
date: Tue, 14 May 2024 02:10:00 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: 9849E622574B48FB8AD7F8F48B9DF2CA Ref B: YTO01EDGE0809 Ref C: 2024-05-14T02:10:01Z
x-cache: CONFIG_NOCACHE

GET
H2 204 0
bat.bing.com/action/ 0
358 B 95ms
94ms Image
text/plain 13.107.21.237
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=c1a1445c-6be2-46a6-89a3-d9d5707d06c2&sid=1231fdc0119711efaf6a7d778524ed5f&vid=12322170119711efbed791510e112ca4&vids=1&msclkid=N&pi=918639831&lg=en-CA&sw=1600&sh=1200&sc=24&tl=Matthew%20Walker%20Teaches%20the%20Science%20of%20Better%20Sleep&kw=Matthew%20Walker,%20How%20to%20fall%20asleep,%20How%20to%20sleep%20better,%20Importance%20of%20sleep,%20The%20science%20of%20sleep,%20Benefits%20of%20sleep&p=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&r=&lt=1364&evt=pageLoad&sv=1&rn=185025

Requested by

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_256_GCM

Server

13.107.21.237 , 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

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer: https://www.masterclass.com/
Accept-Language: en-CA,en;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

pragma: no-cache
strict-transport-security: max-age=31536000; includeSubDomains; preload
date: Tue, 14 May 2024 02:10:00 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: 3DCD1715387A4C869324300E425A7803 Ref B: YTO01EDGE0809 Ref C: 2024-05-14T02:10:01Z
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 mwtrailerfullv14brightcovev1-53001_AAC_192_t0.m3u8 Show response
edge.masterclass.com/content/eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCIsImtpZCI6Ik1ZX1NFQ09OREFSWV9LRVkifQ.eyJleHAiOjE3MTU3Mzg0MDAsImlhdCI6MTcxNTY1MjAwMCwicmVzb3VyY2UiOlsiL21jL2M4LzhhLzZiL2M4OGE2YmM3LTdjM... 3 KB
4 KB 51ms
51ms XHR
application/vnd.apple.mpegurl 3.162.125.118
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://edge.masterclass.com/content/eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCIsImtpZCI6Ik1ZX1NFQ09OREFSWV9LRVkifQ.eyJleHAiOjE3MTU3Mzg0MDAsImlhdCI6MTcxNTY1MjAwMCwicmVzb3VyY2UiOlsiL21jL2M4LzhhLzZiL2M4OGE2YmM3LTdjMzktNGEyMi1hYmZlLTYxMmIzNzljMmRiOC8qIl0sImF1ZCI6Imh0dHBzOi8vZWRnZS5tYXN0ZXJjbGFzcy5jb20vY29udGVudCIsImlzcyI6Imh0dHBzOi8vZWRnZS5tYXN0ZXJjbGFzcy5jb20vYXBpL3YxL21lZGlhIn0.jbzgNG-9tDZS6CWKWn8vKzV6TBpOsjxyRpEs4o5olr0/mc/c8/8a/6b/c88a6bc7-7c39-4a22-abfe-612b379c2db8/masterclass-cmaf/mwtrailerfullv14brightcovev1-53001_AAC_192_t0.m3u8
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: 3.162.125.118 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-3-162-125-118.iad61.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: 442c93b3d7e4bd31696a37bf4f7124ac8741999fd40797d91ff9608407c085cf

Request headers

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer: https://www.masterclass.com/
Accept-Language: en-CA,en;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Sat, 23 Mar 2024 22:51:45 GMT
x-amz-version-id: PkmsHb96NZQW_sZaYPQTH2HXzCwUBp0D
via: 1.1 6fc72fa6c2eb32c52ac1d02c16e75776.cloudfront.net (CloudFront)
x-cdn: cloudfront
x-amz-cf-pop: IAD61-P3
age: 4418297
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
content-length: 3442
last-modified: Thu, 14 Mar 2024 09:41:29 GMT
server: AmazonS3
etag: "26a21b541b3c585c3ccc2fe31dc1c521"
x-amz-meta-mediaconvert_jobid: 1710409245951-v4qpqp
vary: Origin
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Software: AmazonS3 /
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Request headers

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Referer: https://www.masterclass.com/
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sec-ch-ua-mobile: ?0
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sec-ch-ua-platform: "Win32"

Response headers

date: Mon, 13 May 2024 06:30:51 GMT
via: 1.1 4a9d2f26d7f571e9f468d5bd20d9ae18.cloudfront.net (CloudFront)
x-amz-cf-pop: IAD12-P4
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server: AmazonS3
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GET
H2 200 5a28e627 Show response
d330aiyvva2oww.cloudfront.net/ 43 B
484 B 143ms
44ms XHR
image/gif 18.165.80.96
AMAZON-02

General

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Full URL: https://d330aiyvva2oww.cloudfront.net/5a28e627?data=aXB2Nj10cnVlJnZlcnNpb249MS4yLjE3JnRva2VuPTgwNzUyY2QyLTgxNjktNGNkMy1iZWZlLTNmNjMzNDc3MTQ1YiZzZXNzaW9uSWQ9MzAxMTczNzMtYjEyNy1mNDEzLTYwMTItOTRmZGQ5Zjg0MDE5&date=1715652601559
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Request headers

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Response headers

date: Mon, 13 May 2024 09:45:16 GMT
via: 1.1 0e0d2c849ef60f83e28215a963048fd2.cloudfront.net (CloudFront)
x-amz-cf-pop: IAD55-P3
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server: AmazonS3
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GET
H2 200 5a28e627 Show response
d1lu3pmaz2ilpx.cloudfront.net/ 43 B
443 B 203ms
107ms XHR
image/gif 18.165.94.195
AMAZON-02

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Full URL: https://d1lu3pmaz2ilpx.cloudfront.net/5a28e627?data=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%3D&date=1715652601564
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Request headers

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Response headers

date: Mon, 13 May 2024 09:28:25 GMT
via: 1.1 3aec3b44fb976422e513a356ccd76eb8.cloudfront.net (CloudFront)
x-amz-cf-pop: IAD55-P4
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server: AmazonS3
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GET
H2 200 /
www.facebook.com/tr/ 0
103 B 59ms
58ms Image
text/plain 31.13.66.35
FACEBOOK

General

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Full URL

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Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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Reverse DNS

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Software

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Security Headers

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Request headers

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sec-ch-ua-platform: "Win32"

Response headers

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server: proxygen-bolt
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access-control-allow-origin
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GET
H/1.1 200
OK up_loader.1.1.0.js Show response
js.adsrvr.org/ 10 KB
4 KB 167ms
45ms Script
application/x-javascript 18.67.60.119
AMAZON-02

General

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Full URL: https://js.adsrvr.org/up_loader.1.1.0.js
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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
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Request headers

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sec-ch-ua-mobile: ?0
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sec-ch-ua-platform: "Win32"

Response headers

Date: Mon, 13 May 2024 23:24:46 GMT
Content-Encoding: gzip
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Server: AmazonS3
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Connection: keep-alive
X-Amz-Cf-Id: okj880fpVI06LPgih9-reWafsvpTt5JFBhO6jn7SXhZzIZyxX07f_w==

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=7848109433
https://segment.prod.bidr.io/associate-segment?buzz_key=tatari&segment_key=tatari-958&value=&uncacheplz=7848109433&_bee_ppp=1

43 B
560 B

48ms
48ms

Image
image/gif

52.7.75.116
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=7848109433&_bee_ppp=1

Requested by

Protocol

HTTP/1.1

Server

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Reverse DNS

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Software

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Security Headers

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Request headers

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Response headers

pragma: no-cache
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strict-transport-security: max-age=2592000; includeSubDomains
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Redirect headers

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Date: Tue, 14 May 2024 02:10:01 GMT
strict-transport-security: max-age=2592000; includeSubDomains
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GET
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2 MB 46ms
46ms XHR
video/mp4 3.162.125.118
AMAZON-02

General

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Full URL: https://edge.masterclass.com/content/eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCIsImtpZCI6Ik1ZX1NFQ09OREFSWV9LRVkifQ.eyJleHAiOjE3MTU3Mzg0MDAsImlhdCI6MTcxNTY1MjAwMCwicmVzb3VyY2UiOlsiL21jL2M4LzhhLzZiL2M4OGE2YmM3LTdjMzktNGEyMi1hYmZlLTYxMmIzNzljMmRiOC8qIl0sImF1ZCI6Imh0dHBzOi8vZWRnZS5tYXN0ZXJjbGFzcy5jb20vY29udGVudCIsImlzcyI6Imh0dHBzOi8vZWRnZS5tYXN0ZXJjbGFzcy5jb20vYXBpL3YxL21lZGlhIn0.jbzgNG-9tDZS6CWKWn8vKzV6TBpOsjxyRpEs4o5olr0/mc/c8/8a/6b/c88a6bc7-7c39-4a22-abfe-612b379c2db8/masterclass-cmaf/mwtrailerfullv14brightcovev1-53001_1080.cmfv
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Software: AmazonS3 /
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Request headers

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Response headers

date: Fri, 22 Mar 2024 20:46:51 GMT
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GET
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97 KB 128ms
128ms XHR
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AMAZON-02

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Request headers

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Response headers

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AMAZON-02

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Response headers

GET
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AMAZON-02

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AMAZON-02

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GET
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AMAZON-02

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AMAZON-02

General

Check archive.org

Show headers Download Go to

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AMAZON-02

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Show headers Download Go to

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Accept-Language: en-CA,en;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
Range: bytes=1184332-1282856
sec-ch-ua-platform: "Win32"

Response headers

date: Tue, 23 Apr 2024 20:19:30 GMT
x-amz-version-id: qdg1Kk9elmfeI3UmZ6tJYjmb8KyAXdXl
via: 1.1 6fc72fa6c2eb32c52ac1d02c16e75776.cloudfront.net (CloudFront)
x-cdn: cloudfront
x-amz-cf-pop: IAD61-P3
age: 1749035
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
x-amz-storage-class: INTELLIGENT_TIERING
Content-Range: bytes 1184332-1282856/3385082
Content-Length: 98525
last-modified: Thu, 14 Mar 2024 09:41:29 GMT
server: AmazonS3
etag: "c1b4c35eacb2d63b692381801c29664d"
x-amz-meta-mediaconvert_jobid: 1710409245951-v4qpqp
vary: Origin
content-type: audio/mp4
access-control-allow-origin: https://www.masterclass.com
access-control-expose-headers: Etag,Last-Modified,Cache-Control,Via,X-Cache,X-Cdn,X-Edge-*
cache-control: private, no-cache
accept-ranges: bytes
x-amz-cf-id: 5s5Av94oa44MIf77Xd2iv9qIk3v35YZIdTqJTduEbkfCSjGk4W3KvQ==

GET
H2 206 mwtrailerfullv14brightcovev1-53001_AAC_192_t0.cmfa Show response
edge.masterclass.com/content/eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCIsImtpZCI6Ik1ZX1NFQ09OREFSWV9LRVkifQ.eyJleHAiOjE3MTU3Mzg0MDAsImlhdCI6MTcxNTY1MjAwMCwicmVzb3VyY2UiOlsiL21jL2M4LzhhLzZiL2M4OGE2YmM3LTdjM... 96 KB
97 KB 325ms
324ms XHR
audio/mp4 3.162.125.118
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://edge.masterclass.com/content/eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCIsImtpZCI6Ik1ZX1NFQ09OREFSWV9LRVkifQ.eyJleHAiOjE3MTU3Mzg0MDAsImlhdCI6MTcxNTY1MjAwMCwicmVzb3VyY2UiOlsiL21jL2M4LzhhLzZiL2M4OGE2YmM3LTdjMzktNGEyMi1hYmZlLTYxMmIzNzljMmRiOC8qIl0sImF1ZCI6Imh0dHBzOi8vZWRnZS5tYXN0ZXJjbGFzcy5jb20vY29udGVudCIsImlzcyI6Imh0dHBzOi8vZWRnZS5tYXN0ZXJjbGFzcy5jb20vYXBpL3YxL21lZGlhIn0.jbzgNG-9tDZS6CWKWn8vKzV6TBpOsjxyRpEs4o5olr0/mc/c8/8a/6b/c88a6bc7-7c39-4a22-abfe-612b379c2db8/masterclass-cmaf/mwtrailerfullv14brightcovev1-53001_AAC_192_t0.cmfa
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
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Reverse DNS: server-3-162-125-118.iad61.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: 8016943290fa1c46cbbf7a0fe968e5026c4c9c5870de8e995fd9df9accd105d1

Request headers

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer: https://www.masterclass.com/
Accept-Language: en-CA,en;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
Range: bytes=1282857-1381207
sec-ch-ua-platform: "Win32"

Response headers

date: Tue, 23 Apr 2024 20:19:30 GMT
x-amz-version-id: qdg1Kk9elmfeI3UmZ6tJYjmb8KyAXdXl
via: 1.1 6fc72fa6c2eb32c52ac1d02c16e75776.cloudfront.net (CloudFront)
x-cdn: cloudfront
x-amz-cf-pop: IAD61-P3
age: 1749035
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
x-amz-storage-class: INTELLIGENT_TIERING
Content-Range: bytes 1282857-1381207/3385082
Content-Length: 98351
last-modified: Thu, 14 Mar 2024 09:41:29 GMT
server: AmazonS3
etag: "c1b4c35eacb2d63b692381801c29664d"
x-amz-meta-mediaconvert_jobid: 1710409245951-v4qpqp
vary: Origin
content-type: audio/mp4
access-control-allow-origin: https://www.masterclass.com
access-control-expose-headers: Etag,Last-Modified,Cache-Control,Via,X-Cache,X-Cdn,X-Edge-*
cache-control: private, no-cache
accept-ranges: bytes
x-amz-cf-id: -6Oobjn_5pAhJiHMVTyrLkfnjz-kmev_bQ2Am6tSXGiZ--yyqxmMAw==

POST
H3 204 collect
analytics.google.com/g/ 0
17 B 108ms
107ms Ping
text/plain 142.251.16.101
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL: https://analytics.google.com/g/collect?v=2&tid=G-TXTKCL3651&gtm=45je45d0v9135202525za200&_p=1715652600568&gcd=13l3l3l3l2&npa=0&dma=0&ul=en-ca&sr=1600x1200&cid=914628978.1715652601&ir=1&uaa=x86&uab=64&uafvl=Chromium%3B124.0.6367.201%7CGoogle%2520Chrome%3B124.0.6367.201%7CNot-A.Brand%3B99.0.0.0&uamb=0&uam=&uap=Win32&uapv=10.0.0&uaw=0&frm=0&pscdl=noapi&_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=1715652601&sct=1&seg=0&_s=2&tfd=8133
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: 142.251.16.101 Farmingdale, United States, ASN15169 (GOOGLE, US),
Reverse DNS: bl-in-f101.1e100.net
Software: Golfe2 /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
sec-ch-ua-platform: "Win32"
Referer: https://www.masterclass.com/
Accept-Language: en-CA,en;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
Content-Type: text/plain;charset=UTF-8

Response headers

pragma: no-cache
date: Tue, 14 May 2024 02:10:06 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

Verdicts & Comments Add Verdict or Comment

98 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.

56 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
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.masterclass.com/classes	1970-01-21 06:10:12	Name: _ga Value: GA1.1.914628978.1715652601
.masterclass.com/	1970-01-20 20:35:38	Name: iterableEmailCampaignId Value: 8315892
.masterclass.com/	1970-01-20 20:35:38	Name: iterableTemplateId Value: 11041561
.masterclass.com/	1970-01-20 20:35:38	Name: iterableMessageId Value: 329d047763a441a1896d1e821efb75f1
.masterclass.com/	1970-01-21 05:19:48	Name: iterableEndUserId Value: fx667fmzp5%40privaterelay.appleid.com
links.masterclass.com/	1969-12-31 23:59:59	Name: XSRF-TOKEN Value: 98bba89a24b327f4aa91ae9de3d173c329649158-1715652598356-cfe264764c937d7a2df22534
.masterclass.com/	1970-01-20 20:34:14	Name: __cf_bm Value: nSyiSBeyeUkSpbCdM4TjqmkIXJX1CAYc9ioXxVn1cS4-1715652598-1.0.1.1-ud5cCfe.9jEW5blp5UXSz7pNGMU46tjl42BATaJWgLwpMrvzvslsRU76YX9ECLQ8pFV6rGeCuxcaMqgPSKIehw
www.masterclass.com/	1970-01-21 05:19:48	Name: splitter_subject_id Value: 16b6a50a-2457-4ccd-8f5e-3b76098222c3
www.masterclass.com/	1969-12-31 23:59:59	Name: user_membership Value: FREE
www.masterclass.com/	1970-01-20 21:14:31	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 06:10:12	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 06:10:12	Name: first_visit_on Value: 2024-05-14
www.masterclass.com/	1970-01-21 06:10:12	Name: active_membership Value: 0
www.masterclass.com/	1970-01-21 05:19:48	Name: last_cm_page Value: matthew-walker-teaches-the-science-of-better-sleep
www.masterclass.com/	1970-01-21 05:19:48	Name: all_cm_pages_viewed Value: %5B%22matthew-walker-teaches-the-science-of-better-sleep%22%5D
www.masterclass.com/	1969-12-31 23:59:59	Name: ajs_anonymous_id Value: rails-gen-793ad90b-f1cc-43d3-ae24-2e9189024a60
www.masterclass.com/	1970-01-20 20:34:14	Name: track_visit_session_id Value: 68c8e567-1f6b-49ec-8929-a6f0ad01d533
www.masterclass.com/	1970-01-21 06:10:12	Name: _mc_session Value: 2VdHOSnIeezmItYwI6x0DtYa5WD%2F1gVIdurWuwKsBOSKQ3a0pxdWr%2FZbxlcS6nESqrtQ0KM5pfNwLQ7v4GSm3H5d8T2cAsJD7zf8FyozTh2rA7pbIzfIcbTkmsni6TpZuQsU95SHh4A8%2FpiV66Sa3DQYlZ9lo3Q61Gj%2BoZ00qNUgqNY0nUngplyaFTjS%2B62aOIyxlAlWXAe93g2z277BX6GbOzjB2w4XhswSxFLVV51vzOJ3jjPEDv%2FdslpCcGsWOh2z%2FJ%2By6UWLjYGhgYg4pEKWUoq25BYWMdAHdq7qshK4uCjlETxaMRyiJl6wLSufNQ26yo95IjBJh33aWiB1EkJrQQLm13a9qrSob4xHFFaEhGuo%2BYTeuoBpiyVwB7x0iadMbcAthqKm4xX8UALr7wV8OWAPaRjMOKVBzT4%3D--6cjY%2B4f8%2FG%2BsnCH8--scA0fdC38DrOcvXF%2FnAL7g%3D%3D
.masterclass.com/	1970-01-21 05:19:48	Name: ajs_anonymous_id Value: rails-gen-793ad90b-f1cc-43d3-ae24-2e9189024a60
.masterclass.com/	1970-01-20 20:35:39	Name: _gid Value: GA1.2.1773459987.1715652601
.masterclass.com/	1969-12-31 23:59:59	Name: amplitude_idundefinedmasterclass.com Value: eyJvcHRPdXQiOmZhbHNlLCJzZXNzaW9uSWQiOm51bGwsImxhc3RFdmVudFRpbWUiOm51bGwsImV2ZW50SWQiOjAsImlkZW50aWZ5SWQiOjAsInNlcXVlbmNlTnVtYmVyIjowfQ==
.masterclass.com/	1970-01-20 20:34:12	Name: _gat Value: 1
.masterclass.com/	1970-01-20 22:43:48	Name: _gcl_au Value: 1.1.1276737956.1715652601
www.masterclass.com/	1970-01-20 20:44:17	Name: FPC Value: b15c6240-a536-4215-920c8cf135be88f7
.masterclass.com/	1970-01-20 22:43:48	Name: _fbp Value: fb.1.1715652601433.1367391039
.masterclass.com/	1970-01-21 06:10:12	Name: _ga_MXX8KXSBK0 Value: GS1.1.1715652601.1.0.1715652601.0.0.0
.masterclass.com/	1970-01-21 06:10:12	Name: _ga Value: GA1.1.914628978.1715652601
.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: 1715652601514%7C0%7C1715652601514%7C%7C
www.masterclass.com/	1970-01-21 06:10:12	Name: tatari-cookie-test Value: 89352822
.masterclass.com/	1970-01-21 06:10:12	Name: tatari-session-cookie Value: 30117373-b127-f413-6012-94fdd9f84019
.masterclass.com/	1970-01-20 20:34:12	Name: t-ip Value: 1
.bing.com/	1970-01-21 05:55:48	Name: MUID Value: 05F9734D1FE96D2027A867321EC36CA5
.bat.bing.com/	1970-01-20 20:44:17	Name: MR Value: 0
.pointmediatracker.com/	1970-01-21 05:19:48	Name: c Value: ebcd63e5-64b6-4da6-971f-f88d133d28f0
.www.masterclass.com/	1970-01-21 06:10:12	Name: _aid Value: f1bb40ca-f2b2-4c13-9c4b-5bb50cacd467
.bidr.io/	1970-01-21 06:02:46	Name: bito Value: AABpDk7MhZAAABO6uDmlPA
.bidr.io/	1970-01-21 06:02:46	Name: bitoIsSecure Value: ok
.bidr.io/	1970-01-20 20:34:13	Name: checkForPermission Value: ok
.masterclass.com/	1970-01-20 20:35:39	Name: _uetsid Value: 1231fdc0119711efaf6a7d778524ed5f
.masterclass.com/	1970-01-21 05:55:48	Name: _uetvid Value: 12322170119711efbed791510e112ca4
.bing.com/	1970-01-21 05:55:48	Name: MSPTC Value: KO78b5MwWy6qhXeiyUxPX9MxTxhgQvR0AtQjAmpSoDE
.mountain.com/	1970-01-21 06:10:12	Name: guid Value: 12c551bd-1197-11ef-b9f0-2ba2225e8589
.px.mountain.com/	1970-01-21 06:10:12	Name: tt Value: H4sIAAAAAAAAAKtWKlOyMqoFAP609q8HAAAA
.masterclass.com/	1970-01-21 06:10:12	Name: amplitude_id_07018da2854fa6ca5b7bab195253250bmasterclass.com Value: eyJkZXZpY2VJZCI6InJhaWxzLWdlbi03OTNhZDkwYi1mMWNjLTQzZDMtYWUyNC0yZTkxODkwMjRhNjAiLCJ1c2VySWQiOm51bGwsIm9wdE91dCI6ZmFsc2UsInNlc3Npb25JZCI6MTcxNTY1MjYwMTAzMSwibGFzdEV2ZW50VGltZSI6MTcxNTY1MjYwMzI2NSwiZXZlbnRJZCI6OSwiaWRlbnRpZnlJZCI6Miwic2VxdWVuY2VOdW1iZXIiOjExfQ==
.masterclass.com/	1970-01-21 06:10:12	Name: _ga_TXTKCL3651 Value: GS1.2.1715652601.1.1.1715652603.58.0.0
.adsrvr.org/	1970-01-21 05:19:48	Name: TDID Value: 1d3fd93c-b137-487a-8c2b-4c82739519e1
.nr-data.net/	1969-12-31 23:59:59	Name: JSESSIONID Value: 7416946c8fa305fc
.adnxs.com/	1970-01-21 06:10:12	Name: receive-cookie-deprecation Value: 1
.doubleclick.net/	1970-01-21 06:10:12	Name: IDE Value: AHWqTUlHLlTcTVCJXlkUjdfr4zx97xJUn4cLv5HdlGAvwCjlfzlOHML5_5bHBSykWZA
.rubiconproject.com/	1970-01-21 05:19:48	Name: khaos Value: LW5R9HN0-7-AAG2
.rubiconproject.com/	1970-01-21 05:19:48	Name: audit Value: 1\|5+h+VCpYw1BeWKcAFGrLN87GXbnsVidEZJH7Pv7SyWW6DKtRtV0ye2TGbgSzN9F3WLddl1cF/L6M1KxoLazIt9i2Wk5FrGos0XY24Ec+XLu6ZVPyjNP493ls+zvw1GCjttJf8bWtWi2s6DU97S4xs+hlRqebYfCFOpWvBGztqNVbOz6AjJtUa8ZnH3r7x5VAdeodiyl5GGjkt77VmXBK7kiCfUmSYXqD+ohH/uuQN8oOr/S07bYDcYQkZmofZQkSVSwKu1RXSJT0/fhu8/pkBO4VeIulq+4M1TRwmTZWV3Xc6UO785F0Pw==
.adsrvr.org/	1970-01-21 05:19:48	Name: TDCPM Value: CAESFQoGZ29vZ2xlEgsI7pSSgKDx-TwQBRIXCghhcHBuZXh1cxILCPKxkoCg8fk8EAUSFgoHcnViaWNvbhILCNrQkoCg8fk8EAUYBSABKAMyCwjo8pSttvH5PBAFQg8iDQgBEgkKBXRpZXIyEAFaBzRob20yYzFgAQ..
www.masterclass.com/	1970-01-21 05:19:48	Name: muxData Value: mux_viewer_id=9ab57401-7532-4ad0-ab85-647986df1bd8&msn=0.34546363706794336&sid=6ba4afe7-e885-43f1-ae45-d13db7b51149&sst=1715652601322&sex=1715654104646

56 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/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/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://www.masterclass.com/jsonapi/v1/users/current?deep=false Message: Failed to load resource: the server responded with a status of 401 ()
other	warning	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 Message: Third-party cookie will be blocked. Learn more in the Issues tab.
other	warning	URL: https://connect.facebook.net/signals/config/663261977135355?v=2.9.156&r=stable&domain=www.masterclass.com&hme=c3a545c63044e8e9102d4f32d84a1137594d024f28e801d670bc76dc5c075575&ex_m=67%2C112%2C99%2C103%2C58%2C3%2C93%2C66%2C15%2C91%2C84%2C49%2C51%2C158%2C161%2C172%2C168%2C169%2C171%2C28%2C94%2C50%2C73%2C170%2C153%2C156%2C165%2C166%2C173%2C121%2C14%2C48%2C178%2C177%2C123%2C17%2C33%2C38%2C1%2C41%2C62%2C63%2C64%2C68%2C88%2C16%2C13%2C90%2C87%2C86%2C100%2C102%2C37%2C101%2C29%2C25%2C154%2C157%2C130%2C27%2C10%2C11%2C12%2C5%2C6%2C24%2C21%2C22%2C54%2C59%2C61%2C71%2C95%2C26%2C72%2C8%2C7%2C76%2C46%2C20%2C97%2C96%2C9%2C19%2C18%2C81%2C53%2C79%2C32%2C70%2C0%2C89%2C31%2C78%2C83%2C45%2C44%2C82%2C36%2C4%2C85%2C77%2C42%2C39%2C34%2C80%2C2%2C35%2C60%2C40%2C98%2C43%2C75%2C65%2C104%2C57%2C56%2C30%2C92%2C55%2C52%2C47%2C74%2C69%2C23%2C105(Line 97) Message: Unrecognized feature: 'attribution-reporting'.
other	warning	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 Message: Third-party cookie will be blocked. Learn more in the Issues tab.
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www.masterclass.com Open in urlscan Pro 104.17.11.109 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

278 Requests

99 %HTTPS

0 %IPv6

26 Domains

41 Subdomains

40 IPs

2 Countries

35511 kBTransfer

41413 kBSize

56 Cookies

16 Outgoing links

Page URL History

Redirected requests

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

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www.masterclass.com Open in urlscan Pro
104.17.11.109 Public Scan

Screenshot
Live screenshot

Full Image

278
Requests

99 %
HTTPS

0 %
IPv6

26
Domains

41
Subdomains

40
IPs

2
Countries

35511 kB
Transfer

41413 kB
Size

56
Cookies

278 HTTP transactions
2 data transactions