www.britannica.com Open in urlscan Pro
104.18.5.110 Public Scan

Go To Rescan
Add Verdict Report

URL:
https://www.britannica.com/science/air-pollution
Submission: On April 14 via api (April 14th 2022, 11:04:46 pm UTC) from US — Scanned from DE

Summary HTTP 124 Redirects Links 13 Behaviour Indicators

Summary

This website contacted 34 IPs in 6 countries across 28 domains to perform 124 HTTP transactions. The main IP is 104.18.5.110, located in and belongs to CLOUDFLARENET, US. The main domain is www.britannica.com. The Cisco Umbrella rank of the primary domain is 17395.
TLS certificate: Issued by Cloudflare Inc ECC CA-3 on March 13th 2022. Valid for: a year.

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

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
3	104.18.5.110 104.18.5.110	13335 (CLOUDFLAR...) (CLOUDFLARENET)
1	2a00:1450:400... 2a00:1450:4001:811::200a	15169 (GOOGLE) (GOOGLE)
14	18.66.112.68 18.66.112.68	16509 (AMAZON-02) (AMAZON-02)
1	2a00:1450:400... 2a00:1450:4001:827::200e	15169 (GOOGLE) (GOOGLE)
1	2600:9000:225... 2600:9000:225e:dc00:1:a3fa:7cc0:93a1	() ()
14	2a00:1450:400... 2a00:1450:4001:80f::2008	15169 (GOOGLE) (GOOGLE)
1	2606:4700:440... 2606:4700:440e::ac40:9c1a	() ()
5	13.32.99.52 13.32.99.52	16509 (AMAZON-02) (AMAZON-02)
5	34.96.102.137 34.96.102.137	15169 (GOOGLE) (GOOGLE)
1	2a00:1450:400... 2a00:1450:4001:812::2003	15169 (GOOGLE) (GOOGLE)
1	40.118.73.208 40.118.73.208	8075 (MICROSOFT...) (MICROSOFT-CORP-MSN-AS-BLOCK)
2	18.66.248.80 18.66.248.80	16509 (AMAZON-02) (AMAZON-02)
1	199.232.136.157 199.232.136.157	54113 (FASTLY) (FASTLY)
2	2a03:2880:f02... 2a03:2880:f02d:12:face:b00c:0:3	32934 (FACEBOOK) (FACEBOOK)
16	65.9.82.123 65.9.82.123	16509 (AMAZON-02) (AMAZON-02)
1	2600:9000:224... 2600:9000:224a:6a00:1d:8c8c:47c0:93a1	() ()
1	23.20.129.87 23.20.129.87	14618 (AMAZON-AES) (AMAZON-AES)
4	2a00:1450:400... 2a00:1450:4001:80e::200e	15169 (GOOGLE) (GOOGLE)
2	3.214.95.187 3.214.95.187	14618 (AMAZON-AES) (AMAZON-AES)
1	2a00:1450:400... 2a00:1450:4001:827::200a	15169 (GOOGLE) (GOOGLE)
1	104.244.42.131 104.244.42.131	13414 (TWITTER) (TWITTER)
1	104.244.42.69 104.244.42.69	13414 (TWITTER) (TWITTER)
2	2a03:2880:f12... 2a03:2880:f12d:83:face:b00c:0:25de	32934 (FACEBOOK) (FACEBOOK)
3	2600:9000:224... 2600:9000:224a:c600:11:2a6a:9480:93a1	() ()
8	108.138.3.177 108.138.3.177	16509 (AMAZON-02) (AMAZON-02)
3	142.250.186.34 142.250.186.34	15169 (GOOGLE) (GOOGLE)
1	2a00:1450:400... 2a00:1450:400c:c00::9a	15169 (GOOGLE) (GOOGLE)
1	2a00:1450:400... 2a00:1450:4001:800::2004	15169 (GOOGLE) (GOOGLE)
1	2a00:1450:400... 2a00:1450:4001:813::2003	15169 (GOOGLE) (GOOGLE)
2	2600:9000:21f... 2600:9000:21f3:3400:16:f82a:8600:93a1	() ()
1	2600:9000:225... 2600:9000:225e:6a00:1:a3fa:7cc0:93a1	() ()
2	151.101.129.194 151.101.129.194	54113 (FASTLY) (FASTLY)
1	46.105.202.126 46.105.202.126	16276 (OVH) (OVH)
20	13.32.99.11 13.32.99.11	16509 (AMAZON-02) (AMAZON-02)
124	34

3 104.18.5.110 (None, )

ASN13335 (CLOUDFLARENET, US)

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

1 2a00:1450:4001:811::200a (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

fonts.googleapis.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

14 18.66.112.68 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-18-66-112-68.fra56.r.cloudfront.net

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

1 2a00:1450:4001:827::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

1 2600:9000:225e:dc00:1:a3fa:7cc0:93a1 (United States)

ASN- ()

content.jwplatform.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

14 2a00:1450:4001:80f::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

1 2606:4700:440e::ac40:9c1a (United States)

ASN- ()

static.cloudflareinsights.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

5 13.32.99.52 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-13-32-99-52.fra60.r.cloudfront.net

ads.adthrive.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

5 34.96.102.137 (Kansas City, United States)

ASN15169 (GOOGLE, US)
PTR: 137.102.96.34.bc.googleusercontent.com

dev.visualwebsiteoptimizer.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2a00:1450:4001:812::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

fonts.gstatic.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 40.118.73.208 (Amsterdam, Netherlands)

ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US)

insitez.blob.core.windows.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 18.66.248.80 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-18-66-248-80.dus51.r.cloudfront.net

widget.surveymonkey.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 199.232.136.157 (Frankfurt am Main, Germany)

ASN54113 (FASTLY, US)

static.ads-twitter.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2a03:2880:f02d:12:face:b00c:0:3 (Frankfurt am Main, Germany)

ASN32934 (FACEBOOK, US)

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

16 65.9.82.123 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-65-9-82-123.ams1.r.cloudfront.net

bc-script.britannica.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2600:9000:224a:6a00:1d:8c8c:47c0:93a1 (United States)

ASN- ()

cdn-magiclinks.trackonomics.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 23.20.129.87 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-23-20-129-87.compute-1.amazonaws.com

webstats.eb.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

4 2a00:1450:4001:80e::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

2 3.214.95.187 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-3-214-95-187.compute-1.amazonaws.com

encyclopediabritannica.blueconic.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2a00:1450:4001:827::200a (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

ajax.googleapis.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 104.244.42.131 (United States)

ASN13414 (TWITTER, US)

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

1 104.244.42.69 (United States)

ASN13414 (TWITTER, US)

t.co	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2a03:2880:f12d:83:face:b00c:0:25de (Frankfurt am Main, Germany)

ASN32934 (FACEBOOK, US)

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

3 2600:9000:224a:c600:11:2a6a:9480:93a1 (United States)

ASN- ()

gdpr-wrapper.privacymanager.io	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

8 108.138.3.177 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-108-138-3-177.fra56.r.cloudfront.net

c.amazon-adsystem.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

3 142.250.186.34 (United States)

ASN15169 (GOOGLE, US)
PTR: fra24s04-in-f2.1e100.net

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

1 2a00:1450:400c:c00::9a (Brussels, Belgium)

ASN15169 (GOOGLE, US)

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

1 2a00:1450:4001:800::2004 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

1 2a00:1450:4001:813::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

2 2600:9000:21f3:3400:16:f82a:8600:93a1 (United States)

ASN- ()

gdpr.privacymanager.io	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2600:9000:225e:6a00:1:a3fa:7cc0:93a1 (United States)

ASN- ()

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

2 151.101.129.194 (United States)

ASN54113 (FASTLY, US)

confiant-integrations.global.ssl.fastly.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 46.105.202.126 (France)

ASN16276 (OVH, FR)

cdn.id5-sync.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

20 13.32.99.11 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-13-32-99-11.fra60.r.cloudfront.net

cmp-consent-tool.privacymanager.io	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
33	britannica.com www.britannica.com — Cisco Umbrella Rank: 17395 cdn.britannica.com — Cisco Umbrella Rank: 11387 bc-script.britannica.com — Cisco Umbrella Rank: 22133	581 KB
25	privacymanager.io gdpr-wrapper.privacymanager.io — Cisco Umbrella Rank: 14556 gdpr.privacymanager.io — Cisco Umbrella Rank: 16606 cmp-consent-tool.privacymanager.io — Cisco Umbrella Rank: 32018	673 KB
14	googletagmanager.com www.googletagmanager.com — Cisco Umbrella Rank: 71	161 KB
8	amazon-adsystem.com c.amazon-adsystem.com — Cisco Umbrella Rank: 302	43 KB
5	visualwebsiteoptimizer.com dev.visualwebsiteoptimizer.com — Cisco Umbrella Rank: 4937	66 KB
5	adthrive.com ads.adthrive.com — Cisco Umbrella Rank: 5304	256 KB
4	doubleclick.net securepubads.g.doubleclick.net — Cisco Umbrella Rank: 193 stats.g.doubleclick.net — Cisco Umbrella Rank: 95	154 KB
4	google-analytics.com www.google-analytics.com — Cisco Umbrella Rank: 37	21 KB
2	fastly.net confiant-integrations.global.ssl.fastly.net — Cisco Umbrella Rank: 1576	119 KB
2	facebook.com www.facebook.com — Cisco Umbrella Rank: 100	429 B
2	blueconic.net encyclopediabritannica.blueconic.net — Cisco Umbrella Rank: 27091	2 KB
2	facebook.net connect.facebook.net — Cisco Umbrella Rank: 138	114 KB
2	surveymonkey.com widget.surveymonkey.com — Cisco Umbrella Rank: 19534	18 KB
2	googleapis.com fonts.googleapis.com — Cisco Umbrella Rank: 46 ajax.googleapis.com — Cisco Umbrella Rank: 282	278 KB
1	id5-sync.com cdn.id5-sync.com — Cisco Umbrella Rank: 1681	11 KB
1	jwplayer.com cdn.jwplayer.com — Cisco Umbrella Rank: 2361	5 KB
1	google.de www.google.de — Cisco Umbrella Rank: 5383	501 B
1	google.com www.google.com — Cisco Umbrella Rank: 4	501 B
1	t.co t.co — Cisco Umbrella Rank: 476	338 B
1	twitter.com analytics.twitter.com — Cisco Umbrella Rank: 524
1	eb.com webstats.eb.com — Cisco Umbrella Rank: 21591	303 B
1	trackonomics.net cdn-magiclinks.trackonomics.net — Cisco Umbrella Rank: 6030	20 KB
1	ads-twitter.com static.ads-twitter.com — Cisco Umbrella Rank: 619	6 KB
1	windows.net insitez.blob.core.windows.net — Cisco Umbrella Rank: 19725	489 B
1	gstatic.com fonts.gstatic.com	122 KB
1	cloudflareinsights.com static.cloudflareinsights.com — Cisco Umbrella Rank: 1199	5 KB
1	jwplatform.com content.jwplatform.com — Cisco Umbrella Rank: 3264	43 KB
1	googleoptimize.com www.googleoptimize.com — Cisco Umbrella Rank: 1430	54 KB
124	28

	Domain	Requested by
20	cmp-consent-tool.privacymanager.io	gdpr.privacymanager.io cmp-consent-tool.privacymanager.io
16	bc-script.britannica.com	www.googletagmanager.com bc-script.britannica.com www.britannica.com
14	www.googletagmanager.com	www.britannica.com www.googletagmanager.com
14	cdn.britannica.com	www.britannica.com cdn.britannica.com
8	c.amazon-adsystem.com	ads.adthrive.com c.amazon-adsystem.com
5	dev.visualwebsiteoptimizer.com	www.britannica.com dev.visualwebsiteoptimizer.com
5	ads.adthrive.com	www.britannica.com ads.adthrive.com
4	www.google-analytics.com	www.googletagmanager.com www.google-analytics.com
3	securepubads.g.doubleclick.net	ads.adthrive.com securepubads.g.doubleclick.net
3	gdpr-wrapper.privacymanager.io	ads.adthrive.com gdpr.privacymanager.io
3	www.britannica.com	cdn.britannica.com static.cloudflareinsights.com
2	confiant-integrations.global.ssl.fastly.net	ads.adthrive.com confiant-integrations.global.ssl.fastly.net
2	gdpr.privacymanager.io	gdpr-wrapper.privacymanager.io cmp-consent-tool.privacymanager.io
2	www.facebook.com	www.britannica.com
2	encyclopediabritannica.blueconic.net	bc-script.britannica.com
2	connect.facebook.net	www.britannica.com connect.facebook.net
2	widget.surveymonkey.com	www.britannica.com widget.surveymonkey.com
1	cdn.id5-sync.com	www.britannica.com
1	cdn.jwplayer.com	ads.adthrive.com
1	www.google.de	www.britannica.com
1	www.google.com	www.britannica.com
1	stats.g.doubleclick.net	www.google-analytics.com
1	t.co	www.britannica.com
1	analytics.twitter.com	static.ads-twitter.com
1	ajax.googleapis.com	widget.surveymonkey.com
1	webstats.eb.com	www.britannica.com
1	cdn-magiclinks.trackonomics.net	www.britannica.com
1	static.ads-twitter.com	www.britannica.com
1	insitez.blob.core.windows.net	www.britannica.com
1	fonts.gstatic.com	fonts.googleapis.com
1	static.cloudflareinsights.com	www.britannica.com
1	content.jwplatform.com	www.britannica.com
1	www.googleoptimize.com	www.britannica.com
1	fonts.googleapis.com	www.britannica.com
124	34

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

Domain
subscription.britannica.com
cdn.britannica.com
www.merriam-webster.com
corporate.britannica.com
www.facebook.com
twitter.com
www.niehs.nih.gov
www.nrdc.org
www.environmentalpollutioncenters.org
kids.britannica.com

Subject Issuer	Validity	Valid
sni.cloudflaressl.com Cloudflare Inc ECC CA-3	`2022-03-13` - `2023-03-13`	a year	crt.sh
upload.video.google.com GTS CA 1C3	`2022-03-28` - `2022-06-20`	3 months	crt.sh
cdn.britannica.com Amazon	`2021-10-13` - `2022-11-10`	a year	crt.sh
*.google-analytics.com GTS CA 1C3	`2022-03-28` - `2022-06-20`	3 months	crt.sh
jwplayer.com Amazon	`2021-12-29` - `2023-01-25`	a year	crt.sh
*.adthrive.com Amazon	`2021-07-05` - `2022-08-03`	a year	crt.sh
*.visualwebsiteoptimizer.com Starfield Secure Certificate Authority - G2	`2020-06-19` - `2022-07-06`	2 years	crt.sh
*.gstatic.com GTS CA 1C3	`2022-03-21` - `2022-06-13`	3 months	crt.sh
*.blob.core.windows.net Microsoft RSA TLS CA 02	`2022-03-16` - `2023-03-16`	a year	crt.sh
surveymonkey.com Amazon	`2021-04-22` - `2022-05-21`	a year	crt.sh
ads-twitter.com DigiCert TLS RSA SHA256 2020 CA1	`2021-07-21` - `2022-07-26`	a year	crt.sh
*.facebook.com DigiCert SHA2 High Assurance Server CA	`2022-01-22` - `2022-04-22`	3 months	crt.sh
bc-script.britannica.com Amazon	`2021-06-11` - `2022-07-10`	a year	crt.sh
*.trackonomics.net Go Daddy Secure Certificate Authority - G2	`2021-12-22` - `2023-01-23`	a year	crt.sh
*.eb.com Amazon	`2021-11-09` - `2022-12-07`	a year	crt.sh
*.blueconic.net Amazon	`2021-08-07` - `2022-09-05`	a year	crt.sh
*.twitter.com DigiCert TLS Hybrid ECC SHA384 2020 CA1	`2022-03-07` - `2023-03-06`	a year	crt.sh
t.co DigiCert TLS Hybrid ECC SHA384 2020 CA1	`2022-03-07` - `2023-03-06`	a year	crt.sh
*.privacymanager.io Amazon	`2021-09-25` - `2022-10-24`	a year	crt.sh
c.amazon-adsystem.com Amazon	`2021-07-06` - `2022-06-27`	a year	crt.sh
*.g.doubleclick.net GTS CA 1C3	`2022-03-28` - `2022-06-20`	3 months	crt.sh
www.google.com GTS CA 1C3	`2022-03-28` - `2022-06-20`	3 months	crt.sh
www.google.de GTS CA 1C3	`2022-03-21` - `2022-06-13`	3 months	crt.sh
*.freetls.fastly.net GlobalSign Atlas R3 DV TLS CA 2020	`2021-04-27` - `2022-05-29`	a year	crt.sh
cdn.id5-sync.com R3	`2022-04-13` - `2022-07-12`	3 months	crt.sh

This page contains 4 frames:

Primary Page: https://www.britannica.com/science/air-pollution
Frame ID: 02534097F6418B18461B7DFBF6ECCB8F
Requests: 99 HTTP requests in this frame

Frame: https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.js
Frame ID: 4D9044D786305D330BDE4A4A2BA3E5DA
Requests: 2 HTTP requests in this frame

Frame: https://www.facebook.com/tr/
Frame ID: 95A9284DA0ADDD33323C4738372D2F67
Requests: 1 HTTP requests in this frame

Frame: https://cmp-consent-tool.privacymanager.io/latest/index.html
Frame ID: 198617756F6B3F1389D238797B3C0AD6
Requests: 21 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

air pollution | Effects, Causes, Definition, & Facts | Britannica

Detected technologies

Cloudflare Browser Insights (Analytics) Expand

Overall confidence: 100%
Detected patterns

static\.cloudflareinsights\.com/beacon(?:\.min)?\.js

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 Font API (Font Scripts) Expand

Overall confidence: 100%
Detected patterns

<link[^>]* href=[^>]+fonts\.(?:googleapis|google)\.com

Google Optimize (A/B Testing) Expand

Overall confidence: 100%
Detected patterns

googleoptimize\.com/optimize\.js

Google Tag Manager (Tag Managers) Expand

Overall confidence: 100%
Detected patterns

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

VWO (Analytics) Expand

Overall confidence: 100%
Detected patterns

dev\.visualwebsiteoptimizer\.com/?([\d.]+)

jQuery (JavaScript Libraries) Expand

Overall confidence: 100%
Detected patterns

jquery[.-]([\d.]*\d)[^/]*\.js
/([\d.]+)/jquery(?:\.min)?\.js
jquery.*\.js(?:\?ver(?:sion)?=([\d.]+))?

Page Statistics

124
Requests

100 %
HTTPS

50 %
IPv6

28
Domains

34
Subdomains

34
IPs

6
Countries

2755 kB
Transfer

8687 kB
Size

28
Cookies

13 Outgoing links

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

URL: https://subscription.britannica.com/subscribe?partnerCode=BP_GN_NAC_EUR
Title: Subscribe

Search URL Search Domain Scan URL

URL: https://cdn.britannica.com/68/19368-050-E6A10CE5/Pollution-skies-Mexico-City.jpg

Search URL Search Domain Scan URL

URL: https://www.merriam-webster.com/dictionary/aesthetic
Title: aesthetic

Search URL Search Domain Scan URL

URL: https://cdn.britannica.com/43/213243-050-58EAA1AA/Air-pollution-Gurgaon-Haryana-state-India.jpg

Search URL Search Domain Scan URL

URL: https://www.merriam-webster.com/dictionary/criteria
Title: criteria

Search URL Search Domain Scan URL

URL: https://www.merriam-webster.com/dictionary/compounds
Title: compounds

Search URL Search Domain Scan URL

URL: http://corporate.britannica.com/publishing-partner-program/
Title: Join Britannica's Publishing Partner Program and our community of experts to gain a global audience for your work!

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

URL: https://www.niehs.nih.gov/research/supported/exposure/air_pollution
Title: National Institute of Environmental Health Sciences - Air Pollution

Search URL Search Domain Scan URL

URL: https://www.nrdc.org/stories/air-pollution-everything-you-need-know
Title: Natural Resources Defense Council - Air Pollution: Everything You Need to Know

Search URL Search Domain Scan URL

URL: https://www.environmentalpollutioncenters.org/air
Title: Environmental Pollution Centers - What is Air Pollution?

Search URL Search Domain Scan URL

URL: https://kids.britannica.com/students/article/air-pollution/598797
Title: air pollution - Student Encyclopedia (Ages 11 and up)

Search URL Search Domain Scan URL

Redirected requests

There were HTTP redirect chains for the following requests:

124 HTTP transactions
0 data transactions

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

GET
H2 200 Primary Request air-pollution Show response
www.britannica.com/science/ 88 KB
24 KB 596ms
563ms Document
text/html 104.18.5.110
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://www.britannica.com/science/air-pollution

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

104.18.5.110 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

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Request headers

Referer: https://www.britannica.com/
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.75 Safari/537.36
Content-Type: text/plain

Response headers

pragma: no-cache
date: Thu, 14 Apr 2022 23:04:34 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.britannica.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,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length: 2
expires: Fri, 01 Jan 1990 00:00:00 GMT

POST
H2 200 collect Show response
stats.g.doubleclick.net/j/ 4 B
444 B 63ms
20ms XHR
text/plain 2a00:1450:400c:c00::9a
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=j96&tid=UA-6636134-11&cid=480449125.1649977475&jid=317894422&gjid=1430780145&_gid=1280064671.1649977476&_u=aCDAAUIgAAAAAC~&z=844041196

Requested by

Host: www.google-analytics.com
URL: https://www.google-analytics.com/analytics.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:400c:c00::9a Brussels, Belgium, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Golfe2 /

Resource Hash

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Security Headers

Name	Value
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X-Content-Type-Options	nosniff

Request headers

Referer: https://www.britannica.com/
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.75 Safari/537.36
Content-Type: text/plain

Response headers

pragma: no-cache
strict-transport-security: max-age=10886400; includeSubDomains; preload
x-content-type-options: nosniff
last-modified: Sun, 17 May 1998 03:00:00 GMT
server: Golfe2
date: Thu, 14 Apr 2022 23:04:34 GMT
content-type: text/plain
access-control-allow-origin: https://www.britannica.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,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length: 4
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
H3 200 pubads_impl_2022041101.js Show response
securepubads.g.doubleclick.net/gpt/ 368 KB
125 KB 35ms
11ms Script
text/javascript 142.250.186.34
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://securepubads.g.doubleclick.net/gpt/pubads_impl_2022041101.js?cb=31067137

Requested by

Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/tag/js/gpt.js

Protocol

Security

QUIC, , AES_128_GCM

Server

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

Reverse DNS

fra24s04-in-f2.1e100.net

Software

sffe /

Resource Hash

e522221082f0e3d37056ae77e5e8e6d21622053fc3f25ee5b9d15a0969f073b2

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.britannica.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.75 Safari/537.36

Response headers

date: Thu, 14 Apr 2022 18:36:59 GMT
content-encoding: gzip
x-content-type-options: nosniff
age: 16055
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length: 127597
x-xss-protection: 0
last-modified: Mon, 11 Apr 2022 08:34:42 GMT
server: sffe
vary: Accept-Encoding
report-to: {"group":"ads-gpt-scs","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/ads-gpt-scs"}]}
content-type: text/javascript
cache-control: public, immutable, max-age=31536000
accept-ranges: bytes
timing-allow-origin: *
cross-origin-opener-policy-report-only: same-origin; report-to="ads-gpt-scs"
expires: Fri, 14 Apr 2023 18:36:59 GMT

GET
H3 200 ppub_config Show response
securepubads.g.doubleclick.net/pagead/ 415 B
211 B 36ms
15ms XHR
application/json 142.250.186.34
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://securepubads.g.doubleclick.net/pagead/ppub_config?ippd=www.britannica.com

Requested by

Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/tag/js/gpt.js

Protocol

Security

QUIC, , AES_128_GCM

Server

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

Reverse DNS

fra24s04-in-f2.1e100.net

Software

cafe /

Resource Hash

4364002db3a1245e58cd71aaac67ca9b56310a5269a3f81eb5ec3e453bd97441

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.britannica.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.75 Safari/537.36

Response headers

timing-allow-origin: *
date: Thu, 14 Apr 2022 23:04:34 GMT
content-encoding: gzip
x-content-type-options: nosniff
server: cafe
p3p: policyref="https://googleads.g.doubleclick.net/pagead/gcn_p3p_.xml", CP="CURa ADMa DEVa TAIo PSAo PSDo OUR IND UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR"
access-control-allow-origin: *
cache-control: private, max-age=3600, stale-while-revalidate=3600
cross-origin-resource-policy: cross-origin
content-disposition: attachment; filename="f.txt"
content-type: application/json; charset=UTF-8
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length: 186
x-xss-protection: 0
expires: Thu, 14 Apr 2022 23:04:34 GMT

GET
H2 200 ga-audiences
www.google.com/ads/ 42 B
501 B 45ms
18ms Image
image/gif 2a00:1450:4001:800::2004
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=j96&tid=UA-6636134-11&cid=480449125.1649977475&jid=317894422&_u=aCDAAUIgAAAAAC~&z=474144758

Requested by

Host: www.britannica.com
URL: https://www.britannica.com/science/air-pollution

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:800::2004 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

cafe /

Resource Hash

ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.britannica.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.75 Safari/537.36

Response headers

pragma: no-cache
date: Thu, 14 Apr 2022 23:04:34 GMT
x-content-type-options: nosniff
server: cafe
timing-allow-origin: *
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
content-type: image/gif
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length: 42
x-xss-protection: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
H2 200 ga-audiences
www.google.de/ads/ 42 B
501 B 51ms
18ms Image
image/gif 2a00:1450:4001:813::2003
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.google.de/ads/ga-audiences?t=sr&aip=1&_r=4&slf_rd=1&v=1&_v=j96&tid=UA-6636134-11&cid=480449125.1649977475&jid=317894422&_u=aCDAAUIgAAAAAC~&z=474144758

Requested by

Host: www.britannica.com
URL: https://www.britannica.com/science/air-pollution

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:813::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

cafe /

Resource Hash

ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.britannica.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.75 Safari/537.36

Response headers

pragma: no-cache
date: Thu, 14 Apr 2022 23:04:34 GMT
x-content-type-options: nosniff
server: cafe
timing-allow-origin: *
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
content-type: image/gif
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length: 42
x-xss-protection: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
H2 200 aps_csm.js Show response
c.amazon-adsystem.com/bao-csm/aps-comm/ 6 KB
3 KB 24ms
7ms XHR
application/javascript 108.138.3.177
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://c.amazon-adsystem.com/bao-csm/aps-comm/aps_csm.js
Requested by: Host: c.amazon-adsystem.com
URL: https://c.amazon-adsystem.com/aax2/apstag.js
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 108.138.3.177 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-108-138-3-177.fra56.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: 06b99248a163333e36980a6cfb756f1a7de60fa49517162b87b1a44d5d48f844

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.britannica.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.75 Safari/537.36

Response headers

x-amz-version-id: khsXo6Z3HSo5bHNWbmb1eMp88IHhxPc.
content-encoding: gzip
etag: W/"a4d296427fc806b21335359e398c025c"
age: 35706
x-cache: Hit from cloudfront
access-control-max-age: 3000
access-control-allow-origin: *
last-modified: Thu, 17 Mar 2022 02:21:48 GMT
server: AmazonS3
date: Thu, 14 Apr 2022 13:51:12 GMT
vary: Accept-Encoding,Origin
access-control-allow-methods: GET
content-type: application/javascript
via: 1.1 b26b931354407da013ac53d2c1c55034.cloudfront.net (CloudFront)
cache-control: public, max-age=86400
x-amz-cf-pop: FRA56-P6
x-amz-cf-id: b5LZHmajLwc9tzMbMJk_Q5WVCljESFS5UxxdZwrN3R8yfGO8UTErYA==

POST
H2 200 294 Show response
bc-script.britannica.com/DG/DEFAULT/rest/rpc/ 74 KB
16 KB 441ms
440ms XHR
application/json 65.9.82.123
AMAZON-02

General

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Show headers Download Go to

Full URL

https://bc-script.britannica.com/DG/DEFAULT/rest/rpc/294?referer=https%3A%2F%2Fwww.britannica.com%2Fscience%2Fair-pollution&bcsessionid=&bctempid=&overruleReferrer=&time=2022-04-14T23%3A04%3A35%2B00%3A00&ts=1649977475905

Requested by

Host: bc-script.britannica.com
URL: https://bc-script.britannica.com/script.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

65.9.82.123 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

server-65-9-82-123.ams1.r.cloudfront.net

Software

- /

Resource Hash

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Security Headers

Name	Value
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X-Xss-Protection	1; mode=block

Request headers

Referer: https://www.britannica.com/
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.75 Safari/537.36
Content-Type: text/plain

Response headers

date: Thu, 14 Apr 2022 23:04:34 GMT
content-encoding: gzip
x-content-type-options: nosniff
x-permitted-cross-domain-policies: master-only
x-amz-cf-pop: AMS1-C1
x-cache: Miss from cloudfront
p3p: policyref="", CP="DSP"
content-length: 15223
x-xss-protection: 1; mode=block
pragma: no-cache
access-control-allow-origin: https://www.britannica.com
server: -
content-type: application/json; charset=utf-8
via: 1.1 e328b143eb69c36369a2def78300d502.cloudfront.net (CloudFront)
cache-control: no-cache, no-store, no-transform, must-revalidate, private
access-control-allow-credentials: true
x-robots-tag: noindex, nofollow
x-amz-cf-id: 7mMDcP2v0fTWTUUFvkJQdp6ofrvqlr5ggj3LTEqpAOjbgoaLAgro8A==
expires: Thu, 01 Jan 1970 00:00:00 GMT

GET
H2 200 gdpr.bundle.js Show response
gdpr.privacymanager.io/latest/ 136 KB
43 KB 53ms
7ms Script
application/x-javascript 2600:9000:21f3:3400:16:f82a:8600:93a1

General

Check archive.org

Show headers Download Go to

Full URL: https://gdpr.privacymanager.io/latest/gdpr.bundle.js
Requested by: Host: gdpr-wrapper.privacymanager.io
URL: https://gdpr-wrapper.privacymanager.io/gdpr/7f035220-1751-4684-bb7f-a1c0d45657df/gdpr-liveramp.js
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:21f3:3400:16:f82a:8600:93a1 , United States, ASN (),
Reverse DNS
Software: AmazonS3 /
Resource Hash: e660409d9d38f3b0eb3f3a7a6fee086ffcc6963ef7ce1cc34c0e0914a5711e9b

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.britannica.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.75 Safari/537.36

Response headers

x-amz-version-id: r1IQBsf367xJZHUHJ7oSjpMHAGJkNGQo
content-encoding: gzip
etag: W/"b058249a7fc2cf2f0c875f009d362924"
age: 3150
x-amz-server-side-encryption: AES256
x-amz-meta-codebuild-buildarn: arn:aws:codebuild:eu-west-1:469675294282:build/TCFBuild-prod:8c0e5ea4-8848-401a-9cc7-ca61b76821ff
x-cache: Hit from cloudfront
x-amz-meta-codebuild-content-md5: b1dc6e25e8260c0cdc432ece37e1d5a0
last-modified: Wed, 09 Mar 2022 10:50:35 GMT
server: AmazonS3
date: Thu, 14 Apr 2022 22:12:04 GMT
vary: Accept-Encoding
x-amz-meta-codebuild-content-sha256: c059696b69225d5ab3b863c15e081ff488d08abad942f988fe8ebc1d57d5c409
via: 1.1 58b222ebbb6cc6c8c8c9a46127ae3a3e.cloudfront.net (CloudFront)
cache-control: must-revalidate,public,max-age=3600
x-amz-cf-pop: FRA2-C2
content-type: application/x-javascript
x-amz-cf-id: CoVPB_8tthcnkgKiE9RRV-cp0G5YvXK-Zp5iTvaJwsz6YKu-JLTK3g==

GET
H2 200 8BZdZ3CB Show response
cdn.jwplayer.com/v2/playlists/ 33 KB
5 KB 57ms
7ms Fetch
application/json 2600:9000:225e:6a00:1:a3fa:7cc0:93a1

General

Check archive.org

Show headers Download Go to

Full URL: https://cdn.jwplayer.com/v2/playlists/8BZdZ3CB
Requested by: Host: ads.adthrive.com
URL: https://ads.adthrive.com/builds/core/7acff7f/es2018/js/adthrive.min.js?threshold=0&deployment=ad-1738:pr2253:flex-27:7acff7f:exp&cb=1649977475479
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:225e:6a00:1:a3fa:7cc0:93a1 , United States, ASN (),
Reverse DNS
Software: openresty /
Resource Hash: d7d8497212e195222ca21007326a9058af7edc811c66331db30ea48e71b2e1e0

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.britannica.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.75 Safari/537.36

Response headers

date: Thu, 14 Apr 2022 23:03:45 GMT
content-encoding: gzip
server: openresty
age: 49
x-cache: Hit from cloudfront
content-type: application/json; charset=utf-8
access-control-allow-origin: *
cache-control: max-age=180, max-stale=180
x-amz-cf-pop: FRA60-P4
content-length: 5231
via: 1.1 78280b924a7a9f0f018abcebd8ad82d0.cloudfront.net (CloudFront)
x-amz-cf-id: 5NcIJ04V-1bU1I-NxhJ3wOUHGbEWyVHcqxUKWf82z8xLml59jOlzcQ==
expires: Thu, 14 Apr 2022 23:03:38

GET
H2 200 config Show response
c.amazon-adsystem.com/cdn/prod/ 428 B
787 B 7ms
7ms XHR
application/json 108.138.3.177
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://c.amazon-adsystem.com/cdn/prod/config?src=600&u=https%3A%2F%2Fwww.britannica.com&pubid=4fbba76f-7987-4fa2-9733-c27eb3a2170b
Requested by: Host: c.amazon-adsystem.com
URL: https://c.amazon-adsystem.com/aax2/apstag.js
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 108.138.3.177 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-108-138-3-177.fra56.r.cloudfront.net
Software: Server /
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Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.britannica.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.75 Safari/537.36

Response headers

date: Thu, 14 Apr 2022 22:49:56 GMT
via: 1.1 b4bf06ec43f99543c974d975a6c597da.cloudfront.net (CloudFront)
server: Server
age: 878
x-cache: Hit from cloudfront
content-type: application/json;charset=UTF-8
access-control-allow-origin: https://www.britannica.com
cache-control: max-age=21550, s-maxage=21600
access-control-allow-credentials: true
x-amz-cf-pop: FRA56-P6
content-length: 428
x-amz-cf-id: BtqPxwAImYGIj95Wb8OVRVJ8lyt0p6vaJqA2P3i7MUl68g6vKMS8gA==

GET
H/1.1 200
OK config.js Show response
confiant-integrations.global.ssl.fastly.net/mOinGM9MTu5v-Lto835XLhlrSPY/gpt_and_prebid/ 297 KB
59 KB 41ms
7ms Script
text/javascript 151.101.129.194
FASTLY

General

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Show headers Download Go to

Full URL: https://confiant-integrations.global.ssl.fastly.net/mOinGM9MTu5v-Lto835XLhlrSPY/gpt_and_prebid/config.js
Requested by: Host: ads.adthrive.com
URL: https://ads.adthrive.com/builds/core/7acff7f/es2018/js/adthrive.min.js?threshold=0&deployment=ad-1738:pr2253:flex-27:7acff7f:exp&cb=1649977475479
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 151.101.129.194 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software: AmazonS3 /
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Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.britannica.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.75 Safari/537.36

Response headers

Date: Thu, 14 Apr 2022 23:04:34 GMT
Content-Encoding: gzip
Age: 3428
X-Cache: HIT
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AMAZON-02

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Protocol

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https://cdn.id5-sync.com/api/1.0/id5-api.js

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Protocol

Security

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Server

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GET
H2 200 bid Show response
c.amazon-adsystem.com/e/dtb/ 64 B
536 B 43ms
43ms XHR
text/javascript 108.138.3.177
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https://c.amazon-adsystem.com/e/dtb/bid?src=600&u=https%3A%2F%2Fwww.britannica.com%2Fscience%2Fair-pollution&pid=m6aocHtpa0PuD&cb=0&ws=1600x1200&v=7.75.0&t=2600&slots=%5B%7B%22sd%22%3A%22AdThrive_Footer_1_desktop%22%2C%22s%22%3A%5B%22728x90%22%2C%22320x50%22%2C%22970x90%22%2C%22300x50%22%2C%22320x100%22%2C%22468x60%22%2C%221x1%22%5D%2C%22sn%22%3A%22%2F18190176%2FAdThrive_Footer_1%2F61575e5c934c481d714b3ca9%22%7D%5D&schain=1.0%2C1!cafemedia.com%2C61575e5c934c481d714b3ca9%2C1%2C%2C%2C&pubid=4fbba76f-7987-4fa2-9733-c27eb3a2170b&gdprl=%7B%22status%22%3A%22tcfv2-timeout%22%7D

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Protocol

Security

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GET
H2 200 bid Show response
c.amazon-adsystem.com/e/dtb/ 64 B
536 B 43ms
42ms XHR
text/javascript 108.138.3.177
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https://c.amazon-adsystem.com/e/dtb/bid?src=600&u=https%3A%2F%2Fwww.britannica.com%2Fscience%2Fair-pollution&pid=m6aocHtpa0PuD&cb=1&ws=1600x1200&v=7.75.0&t=2600&slots=%5B%7B%22sd%22%3A%22AdThrive_Sidebar_1_desktop%22%2C%22s%22%3A%5B%22300x250%22%5D%2C%22sn%22%3A%22%2F18190176%2FAdThrive_Sidebar_1%2F61575e5c934c481d714b3ca9%22%7D%5D&schain=1.0%2C1!cafemedia.com%2C61575e5c934c481d714b3ca9%2C1%2C%2C%2C&pubid=4fbba76f-7987-4fa2-9733-c27eb3a2170b&gdprl=%7B%22status%22%3A%22tcfv2-timeout%22%7D

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Protocol

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GET
H2 200 bid Show response
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533 B 47ms
46ms XHR
text/javascript 108.138.3.177
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https://c.amazon-adsystem.com/e/dtb/bid?src=600&u=https%3A%2F%2Fwww.britannica.com%2Fscience%2Fair-pollution&pid=m6aocHtpa0PuD&cb=2&ws=1600x1200&v=7.75.0&t=2600&slots=%5B%7B%22sd%22%3A%22AdThrive_Sidebar_9_desktop%22%2C%22s%22%3A%5B%22300x250%22%2C%22320x50%22%2C%22300x50%22%2C%22320x100%22%2C%22250x250%22%2C%22120x240%22%2C%22300x300%22%2C%22320x300%22%5D%2C%22sn%22%3A%22%2F18190176%2FAdThrive_Sidebar_9%2F61575e5c934c481d714b3ca9%22%7D%5D&schain=1.0%2C1!cafemedia.com%2C61575e5c934c481d714b3ca9%2C1%2C%2C%2C&pubid=4fbba76f-7987-4fa2-9733-c27eb3a2170b&gdprl=%7B%22status%22%3A%22tcfv2-timeout%22%7D

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Host: c.amazon-adsystem.com
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Protocol

Security

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Resource Hash

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Response headers

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GET
H2 200 bid Show response
c.amazon-adsystem.com/e/dtb/ 64 B
534 B 46ms
45ms XHR
text/javascript 108.138.3.177
AMAZON-02

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https://c.amazon-adsystem.com/e/dtb/bid?src=600&u=https%3A%2F%2Fwww.britannica.com%2Fscience%2Fair-pollution&pid=m6aocHtpa0PuD&cb=3&ws=1600x1200&v=7.75.0&t=2600&slots=%5B%7B%22sd%22%3A%22AdThrive_Content_1_desktop%22%2C%22s%22%3A%5B%22300x250%22%2C%22320x50%22%2C%22336x280%22%2C%22300x50%22%2C%22320x100%22%2C%22468x60%22%2C%22250x250%22%2C%22120x240%22%2C%221x1%22%2C%22300x300%22%2C%22552x334%22%5D%2C%22sn%22%3A%22%2F18190176%2FAdThrive_Content_1%2F61575e5c934c481d714b3ca9%22%7D%5D&schain=1.0%2C1!cafemedia.com%2C61575e5c934c481d714b3ca9%2C1%2C%2C%2C&pubid=4fbba76f-7987-4fa2-9733-c27eb3a2170b&gdprl=%7B%22status%22%3A%22tcfv2-timeout%22%7D

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Protocol

Security

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Server

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Software

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Response headers

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GET
H2 200 bid Show response
c.amazon-adsystem.com/e/dtb/ 64 B
534 B 85ms
84ms XHR
text/javascript 108.138.3.177
AMAZON-02

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Full URL

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content-encoding: gzip
x-content-type-options: nosniff
x-permitted-cross-domain-policies: master-only
x-amz-cf-pop: AMS1-C1
x-cache: Miss from cloudfront
p3p: policyref="", CP="DSP"
content-length: 177
x-xss-protection: 1; mode=block
pragma: no-cache
access-control-allow-origin: https://www.britannica.com
server: -
content-type: application/json; charset=utf-8
via: 1.1 e328b143eb69c36369a2def78300d502.cloudfront.net (CloudFront)
cache-control: no-cache, no-store, no-transform, must-revalidate, private
access-control-allow-credentials: true
x-robots-tag: noindex, nofollow
x-amz-cf-id: R3_RCbB8RzFKnnbmjNnHPJ42MDlyy2HBLJInkJClab7zl1t-qeVIVA==
expires: Thu, 01 Jan 1970 00:00:00 GMT

GET
H3 204 a
www.googletagmanager.com/ 0
17 B 18ms
18ms Image
image/gif 2a00:1450:4001:80f::2008
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.googletagmanager.com/a?id=UA-6636134-11&cv=1&v=3&t=t&pid=499600841&rv=4d0&es=1&e=gtm.scrollDepth&eid=14&u=CAAAAAACAAAs&tc=2&z=0

Protocol

Security

QUIC, , AES_128_GCM

Server

2a00:1450:4001:80f::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Google Tag Manager /

Resource Hash

e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Security Headers

Name	Value
X-Xss-Protection	0

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.britannica.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.75 Safari/537.36

Response headers

pragma: no-cache
date: Thu, 14 Apr 2022 23:04:36 GMT
server: Google Tag Manager
vary: *
content-type: image/gif
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,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length: 0
x-xss-protection: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

POST
H2 200 294 Show response
bc-script.britannica.com/DG/DEFAULT/rest/rpc/ 188 B
1 KB 95ms
94ms XHR
application/json 65.9.82.123
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

Requested by

Host: bc-script.britannica.com
URL: https://bc-script.britannica.com/script.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

65.9.82.123 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

server-65-9-82-123.ams1.r.cloudfront.net

Software

- /

Resource Hash

8142c4681ac06974dd1f3dcc5ef06caed2730010395321bd196180340567733c

Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Xss-Protection	1; mode=block

Request headers

Referer: https://www.britannica.com/
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.75 Safari/537.36
Content-Type: text/plain

Response headers

date: Thu, 14 Apr 2022 23:04:36 GMT
content-encoding: gzip
x-content-type-options: nosniff
x-permitted-cross-domain-policies: master-only
x-amz-cf-pop: AMS1-C1
x-cache: Miss from cloudfront
p3p: policyref="", CP="DSP"
content-length: 167
x-xss-protection: 1; mode=block
pragma: no-cache
access-control-allow-origin: https://www.britannica.com
server: -
content-type: application/json; charset=utf-8
via: 1.1 e328b143eb69c36369a2def78300d502.cloudfront.net (CloudFront)
cache-control: no-cache, no-store, no-transform, must-revalidate, private
access-control-allow-credentials: true
x-robots-tag: noindex, nofollow
x-amz-cf-id: h9VZmZu2EHnkcB-3UwixR6tbnp94Q7pcBR5ausFc3IXevs6705muJw==
expires: Thu, 01 Jan 1970 00:00:00 GMT

Verdicts & Comments Add Verdict or Comment

149 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.

28 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
bc-script.britannica.com/DG/DEFAULT	1970-01-20 11:55:37	Name: BCSessionID Value: 8893c987-8934-417f-ab3d-73cea3e49691
encyclopediabritannica.blueconic.net/DG/DEFAULT	1970-01-20 11:05:13	Name: BCSessionID Value: 8893c987-8934-417f-ab3d-73cea3e49691
www.britannica.com/science	1970-01-20 02:19:38	Name: sessionId Value: 206FD083-19EA-4325-A024-C6CC2AD4184A
.britannica.com/	1970-01-23 17:55:37	Name: bcomID Value: 1270948931289287958
.britannica.com/	1969-12-31 23:59:59	Name: SessionAuth Value: QMTQ37KuXKygkT2JnCvOgwxeJa8lKDaIj44mtppQzbRbJkh96dCDAUNTtbGTNPI/
.britannica.com/	1969-12-31 23:59:59	Name: subreturn Value: https%3A%2F%2Fwww.britannica.com%2Fscience%2Fair-pollution
.britannica.com/	1969-12-31 23:59:59	Name: webstats Value: "referer_page=https%3A%2F%2Fwww.britannica.com%2Fscience%2Fair-pollution"
.britannica.com/	1969-12-31 23:59:59	Name: __mendel Value: %7B%27pagesViewed%27%3A1%2C%27surveyShown%27%3Atrue%2C%27topicInitialSequence%27%3A1%7D
www.britannica.com/	1969-12-31 23:59:59	Name: JSESSIONID Value: 15A71F4694B7AB2B99A1764BA228E7E1
.britannica.com/	1970-01-20 11:06:39	Name: _vwo_uuid_v2 Value: D74198B7E752C382A199896D1065472B7\|f533db8c3d0399f0b646bf56ec28ad6d
.britannica.com/	1970-01-20 04:43:37	Name: _vis_opt_s Value: 1%7C
.britannica.com/	1969-12-31 23:59:59	Name: _vis_opt_test_cookie Value: 1
.britannica.com/	1970-01-20 19:50:49	Name: _ga_TE6YF92Y0D Value: GS1.1.1649977474.1.0.1649977474.0
.britannica.com/	1970-01-20 11:05:13	Name: CAMLoginRedirectUrl Value: https://www.britannica.com/science/air-pollution
www.britannica.com/	1970-01-20 11:05:13	Name: last_visit_bc Value: 1649977475504
.britannica.com/	1970-01-20 19:50:49	Name: _ga Value: GA1.2.480449125.1649977475
.britannica.com/	1970-01-20 02:21:03	Name: _gid Value: GA1.2.1280064671.1649977476
.britannica.com/	1970-01-20 04:29:13	Name: _fbp Value: fb.1.1649977475683.283870970
.t.co/	1970-01-20 19:50:49	Name: muc_ads Value: 4360da03-7b9a-4357-9584-aa2cf1920dd1
.facebook.com/	1970-01-20 04:29:13	Name: fr Value: 0Y7FTDKD4wBsA4EwW..BiWKiC...1.0.BiWKiC.
.britannica.com/	1970-01-20 02:19:37	Name: _gat_gtag_UA_6636134_11 Value: 1
.britannica.com/	1970-01-20 11:41:13	Name: gdpr-auditId Value: 86172e7311464da7a35bb3db56637bc5
www.britannica.com/	1969-12-31 23:59:59	Name: BCSessionID Value: 8893c987-8934-417f-ab3d-73cea3e49691
encyclopediabritannica.blueconic.net/	1970-01-20 02:29:42	Name: AWSALBCORS Value: 0p+BN7vtDOd5qJtJsC3GPpLp9vZBdjxZ8mQjIYVCPn+a4vtpi06hzpkr6aW38pOgUwVYTApORwW1WM2hO/BhvUnLN4zi1LBlc5w2RztwemAzK76PLJa1HhKOAGMR
.britannica.com/	1970-01-20 11:05:13	Name: eb_content_meter_views_remaining Value: 5
.britannica.com/	1970-01-20 11:05:13	Name: eb_content_meter Value: true
bc-script.britannica.com/	1970-01-20 02:29:42	Name: AWSALB Value: qjQIHIo5nVykYmzUe6boxRKOUQ0OF2sFzrMkZNYmwuVwRtJIcAvodAc2psM+W2Vl5GE7hIghl9rD6XrCPtsqnANN37MxlQcTY/HuZhp15bTZvgY5y9aEPa0VSefK
bc-script.britannica.com/	1970-01-20 02:29:42	Name: AWSALBCORS Value: qjQIHIo5nVykYmzUe6boxRKOUQ0OF2sFzrMkZNYmwuVwRtJIcAvodAc2psM+W2Vl5GE7hIghl9rD6XrCPtsqnANN37MxlQcTY/HuZhp15bTZvgY5y9aEPa0VSefK

9 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://analytics.twitter.com/i/adsct?type=javascript&version=2.0.4&p_id=Twitter&p_user_id=0&txn_id=o1kfk&events=%5B%5B%22pageview%22%2Cnull%5D%5D&tw_sale_amount=0&tw_order_quantity=0&tw_iframe_status=0&event_id=0338fc85-6ccd-4e2f-a81b-a1f5b05893d5&tw_document_href=https%3A%2F%2Fwww.britannica.com%2Fscience%2Fair-pollution&tpx_cb=twttr.conversion.loadPixels Message: Failed to load resource: the server responded with a status of 403 ()
other	warning	URL: https://cmp-consent-tool.privacymanager.io/latest/index.html#/notice?theme=blueLagoon&useSystemFonts=false&cmpType=tcf Message: A preload for 'https://cmp-consent-tool.privacymanager.io/latest/runtime.js' is found, but is not used because the request credentials mode does not match. Consider taking a look at crossorigin attribute.
other	warning	URL: https://cmp-consent-tool.privacymanager.io/latest/index.html#/notice?theme=blueLagoon&useSystemFonts=false&cmpType=tcf Message: A preload for 'https://cmp-consent-tool.privacymanager.io/latest/polyfills.js' is found, but is not used because the request credentials mode does not match. Consider taking a look at crossorigin attribute.
other	warning	URL: https://cmp-consent-tool.privacymanager.io/latest/index.html#/notice?theme=blueLagoon&useSystemFonts=false&cmpType=tcf Message: A preload for 'https://cmp-consent-tool.privacymanager.io/latest/vendor.js' is found, but is not used because the request credentials mode does not match. Consider taking a look at crossorigin attribute.
other	warning	URL: https://cmp-consent-tool.privacymanager.io/latest/index.html#/notice?theme=blueLagoon&useSystemFonts=false&cmpType=tcf Message: A preload for 'https://cmp-consent-tool.privacymanager.io/latest/main.js' is found, but is not used because the request credentials mode does not match. Consider taking a look at crossorigin attribute.
javascript	warning	URL: https://cmp-consent-tool.privacymanager.io/latest/#/notice?theme=blueLagoon&useSystemFonts=false&cmpType=tcf Message: The resource https://cmp-consent-tool.privacymanager.io/latest/runtime.js was preloaded using link preload but not used within a few seconds from the window's load event. Please make sure it has an appropriate `as` value and it is preloaded intentionally.
javascript	warning	URL: https://cmp-consent-tool.privacymanager.io/latest/#/notice?theme=blueLagoon&useSystemFonts=false&cmpType=tcf Message: The resource https://cmp-consent-tool.privacymanager.io/latest/main.js was preloaded using link preload but not used within a few seconds from the window's load event. Please make sure it has an appropriate `as` value and it is preloaded intentionally.
javascript	warning	URL: https://cmp-consent-tool.privacymanager.io/latest/#/notice?theme=blueLagoon&useSystemFonts=false&cmpType=tcf Message: The resource https://cmp-consent-tool.privacymanager.io/latest/vendor.js was preloaded using link preload but not used within a few seconds from the window's load event. Please make sure it has an appropriate `as` value and it is preloaded intentionally.
javascript	warning	URL: https://cmp-consent-tool.privacymanager.io/latest/#/notice?theme=blueLagoon&useSystemFonts=false&cmpType=tcf Message: The resource https://cmp-consent-tool.privacymanager.io/latest/polyfills.js was preloaded using link preload but not used within a few seconds from the window's load event. Please make sure it has an appropriate `as` value and it is preloaded intentionally.

Security Headers

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

Header	Value
X-Xss-Protection	1; mode=block

Indicators

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

ads.adthrive.com
ajax.googleapis.com
analytics.twitter.com
bc-script.britannica.com
c.amazon-adsystem.com
cdn-magiclinks.trackonomics.net
cdn.britannica.com
cdn.id5-sync.com
cdn.jwplayer.com
cmp-consent-tool.privacymanager.io
confiant-integrations.global.ssl.fastly.net
connect.facebook.net
content.jwplatform.com
dev.visualwebsiteoptimizer.com
encyclopediabritannica.blueconic.net
fonts.googleapis.com
fonts.gstatic.com
gdpr-wrapper.privacymanager.io
gdpr.privacymanager.io
insitez.blob.core.windows.net
securepubads.g.doubleclick.net
static.ads-twitter.com
static.cloudflareinsights.com
stats.g.doubleclick.net
t.co
webstats.eb.com
widget.surveymonkey.com
www.britannica.com
www.facebook.com
www.google-analytics.com
www.google.com
www.google.de
www.googleoptimize.com
www.googletagmanager.com
104.18.5.110
104.244.42.131
104.244.42.69
108.138.3.177
13.32.99.11
13.32.99.52
142.250.186.34
151.101.129.194
18.66.112.68
18.66.248.80
199.232.136.157
23.20.129.87
2600:9000:21f3:3400:16:f82a:8600:93a1
2600:9000:224a:6a00:1d:8c8c:47c0:93a1
2600:9000:224a:c600:11:2a6a:9480:93a1
2600:9000:225e:6a00:1:a3fa:7cc0:93a1
2600:9000:225e:dc00:1:a3fa:7cc0:93a1
2606:4700:440e::ac40:9c1a
2a00:1450:4001:800::2004
2a00:1450:4001:80e::200e
2a00:1450:4001:80f::2008
2a00:1450:4001:811::200a
2a00:1450:4001:812::2003
2a00:1450:4001:813::2003
2a00:1450:4001:827::200a
2a00:1450:4001:827::200e
2a00:1450:400c:c00::9a
2a03:2880:f02d:12:face:b00c:0:3
2a03:2880:f12d:83:face:b00c:0:25de
3.214.95.187
34.96.102.137
40.118.73.208
46.105.202.126
65.9.82.123
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www.britannica.com Open in urlscan Pro 104.18.5.110 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

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Detected technologies

Page Statistics

124 Requests

100 %HTTPS

50 %IPv6

28 Domains

34 Subdomains

34 IPs

6 Countries

2755 kBTransfer

8687 kBSize

28 Cookies

13 Outgoing links

Redirected requests

124 HTTP transactions Everything HTML Script AJAX CSS Image Expand all 0 data transactions

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www.britannica.com Open in urlscan Pro
104.18.5.110 Public Scan

Screenshot
Live screenshot

Full Image

124
Requests

100 %
HTTPS

50 %
IPv6

28
Domains

34
Subdomains

34
IPs

6
Countries

2755 kB
Transfer

8687 kB
Size

28
Cookies

124 HTTP transactions
0 data transactions