URL: https://www.w3schools.com/
Submission: On February 08 via api from GB — Scanned from GB

Summary

This website contacted 18 IPs in 4 countries across 14 domains to perform 58 HTTP transactions. The main IP is 192.229.133.221, located in United States and belongs to EDGECAST, US. The main domain is www.w3schools.com. The Cisco Umbrella rank of the primary domain is 17711.
TLS certificate: Issued by DigiCert TLS RSA SHA256 2020 CA1 on March 5th 2023. Valid for: a year.
This is the only time www.w3schools.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

Apex Domain
Subdomains
Transfer
29 w3schools.com
www.w3schools.com — Cisco Umbrella Rank: 17711
1 MB
8 snigelweb.com
cdn.snigelweb.com — Cisco Umbrella Rank: 10847
adengine.snigelweb.com — Cisco Umbrella Rank: 14277
cdnx.snigelweb.com — Cisco Umbrella Rank: 16440
380 KB
4 amazon-adsystem.com
c.amazon-adsystem.com — Cisco Umbrella Rank: 314
config.aps.amazon-adsystem.com — Cisco Umbrella Rank: 591
77 KB
3 doubleclick.net
securepubads.g.doubleclick.net — Cisco Umbrella Rank: 209
stats.g.doubleclick.net — Cisco Umbrella Rank: 79
167 KB
2 criteo.com
gum.criteo.com — Cisco Umbrella Rank: 423
376 B
2 confiant-integrations.net
cdn.confiant-integrations.net — Cisco Umbrella Rank: 1463
83 KB
2 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 37
163 KB
1 a2z.com
prod.tahoe-analytics.publishers.advertising.a2z.com
1 google.de
www.google.de — Cisco Umbrella Rank: 6518
408 B
1 google.com
region1.analytics.google.com — Cisco Umbrella Rank: 2616
256 B
1 adsrvr.org
match.adsrvr.org — Cisco Umbrella Rank: 357
424 B
1 id5-sync.com
cdn.id5-sync.com — Cisco Umbrella Rank: 857
25 KB
1 fastclick.net
secure.cdn.fastclick.net — Cisco Umbrella Rank: 1157
17 KB
1 pbxai.com
floor.pbxai.com — Cisco Umbrella Rank: 21230
1 KB
58 14
Domain Requested by
29 www.w3schools.com www.w3schools.com
6 cdn.snigelweb.com www.w3schools.com
cdn.snigelweb.com
3 c.amazon-adsystem.com cdn.snigelweb.com
c.amazon-adsystem.com
2 gum.criteo.com cdn.snigelweb.com
2 cdn.confiant-integrations.net adengine.snigelweb.com
cdn.confiant-integrations.net
2 securepubads.g.doubleclick.net cdn.snigelweb.com
securepubads.g.doubleclick.net
2 www.googletagmanager.com www.w3schools.com
www.googletagmanager.com
1 prod.tahoe-analytics.publishers.advertising.a2z.com c.amazon-adsystem.com
1 www.google.de www.w3schools.com
1 stats.g.doubleclick.net www.googletagmanager.com
1 region1.analytics.google.com www.googletagmanager.com
1 match.adsrvr.org cdn.snigelweb.com
1 cdn.id5-sync.com www.w3schools.com
1 secure.cdn.fastclick.net www.w3schools.com
1 config.aps.amazon-adsystem.com c.amazon-adsystem.com
1 floor.pbxai.com cdn.snigelweb.com
1 cdnx.snigelweb.com cdn.snigelweb.com
1 adengine.snigelweb.com cdn.snigelweb.com
58 18
Subject Issuer Validity Valid
*.w3schools.com
DigiCert TLS RSA SHA256 2020 CA1
2023-03-05 -
2024-04-04
a year crt.sh
snigelweb.com
GTS CA 1P5
2023-12-26 -
2024-03-25
3 months crt.sh
*.google-analytics.com
GTS CA 1C3
2024-01-09 -
2024-04-02
3 months crt.sh
c.amazon-adsystem.com
Amazon RSA 2048 M01
2023-12-30 -
2024-12-04
a year crt.sh
*.g.doubleclick.net
GTS CA 1C3
2024-01-09 -
2024-04-02
3 months crt.sh
cdn.pbxai.com
Amazon RSA 2048 M02
2023-12-15 -
2025-01-12
a year crt.sh
confiant-integrations.net
GTS CA 1P5
2024-01-17 -
2024-04-16
3 months crt.sh
floor.pbxai.com
Amazon RSA 2048 M03
2023-08-07 -
2024-09-04
a year crt.sh
config.aps.amazon-adsystem.com
Amazon RSA 2048 M02
2024-01-21 -
2025-02-19
a year crt.sh
secure.cdn.fastclick.net
DigiCert TLS RSA SHA256 2020 CA1
2023-10-03 -
2024-10-03
a year crt.sh
sni.cloudflaressl.com
Cloudflare Inc ECC CA-3
2023-05-07 -
2024-05-06
a year crt.sh
*.criteo.com
DigiCert Global G2 TLS RSA SHA256 2020 CA1
2024-02-08 -
2024-05-07
3 months crt.sh
*.adsrvr.org
GlobalSign GCC R3 DV TLS CA 2020
2023-04-12 -
2024-05-13
a year crt.sh
www.google.de
GTS CA 1C3
2024-01-09 -
2024-04-02
3 months crt.sh
prod.tahoe-analytics.publishers.advertising.a2z.com
Amazon RSA 2048 M02
2024-01-22 -
2025-02-20
a year crt.sh

This page contains 2 frames:

Primary Page: https://www.w3schools.com/
Frame ID: 89A432AB24170A62BEA8FAD25E16709B
Requests: 52 HTTP requests in this frame

Frame: https://www.w3schools.com/howto/tryhow_js_slideshow_ifr.htm
Frame ID: 8942ED4848F0D7D7CF77901571165065
Requests: 4 HTTP requests in this frame

Screenshot

Page Title

W3Schools Online Web Tutorials

Detected technologies

Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]*?(?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)
  • (?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:.*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)

Overall confidence: 100%
Detected patterns

Overall confidence: 100%
Detected patterns
  • <!-- (?:End )?Google Tag Manager -->
  • googletagmanager\.com/gtm\.js
  • googletagmanager\.com/gtag/js

Overall confidence: 100%
Detected patterns
  • /prebid\.js

Page Statistics

58
Requests

98 %
HTTPS

59 %
IPv6

14
Domains

18
Subdomains

18
IPs

4
Countries

1951 kB
Transfer

4778 kB
Size

6
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

58 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
www.w3schools.com/
364 KB
365 KB
Document
General
Full URL
https://www.w3schools.com/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
192.229.133.221 , United States, ASN15133 (EDGECAST, US),
Reverse DNS
Software
ECS (frb/67BD) / ASP.NET
Resource Hash
6d7cd13796bc10106c06df15320ede910cdff1421aafb64dd22de48ce869d364
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;
X-Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.139 Safari/537.36
accept-language
en-GB,en;q=0.9

Response headers

accept-ranges
bytes
age
6894
cache-control
Public,public
content-encoding
gzip
content-length
372835
content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
content-type
text/html
date
Thu, 08 Feb 2024 10:55:01 GMT
expires
Thu, 08 Feb 2024 14:55:01 GMT
last-modified
Thu, 08 Feb 2024 09:00:07 GMT
server
ECS (frb/67BD)
vary
Accept-Encoding
x-cache
HIT
x-content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
x-powered-by
ASP.NET
fontawesome.woff2
www.w3schools.com/lib/fonts/
18 KB
18 KB
Font
General
Full URL
https://www.w3schools.com/lib/fonts/fontawesome.woff2?14663396
Requested by
Host: www.w3schools.com
URL: https://www.w3schools.com/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
192.229.133.221 , United States, ASN15133 (EDGECAST, US),
Reverse DNS
Software
ECS (frb/6763) / ASP.NET
Resource Hash
931214df44a73370550755ed5361ca203439e87026166279b7dc965d9ec49418
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;
X-Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;

Request headers

Referer
https://www.w3schools.com/
Origin
https://www.w3schools.com
accept-language
en-GB,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.139 Safari/537.36

Response headers

content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
date
Thu, 08 Feb 2024 10:55:01 GMT
last-modified
Wed, 07 Feb 2024 14:40:20 GMT
server
ECS (frb/6763)
age
6894
etag
"0e2fe92d359da1:0"
x-powered-by
ASP.NET
x-cache
HIT
content-type
application/font-woff2
cache-control
public,max-age=14400,public
accept-ranges
bytes
content-length
18652
x-content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
source-code-pro-v14-latin-regular.woff2
www.w3schools.com/lib/fonts/
13 KB
14 KB
Font
General
Full URL
https://www.w3schools.com/lib/fonts/source-code-pro-v14-latin-regular.woff2
Requested by
Host: www.w3schools.com
URL: https://www.w3schools.com/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
192.229.133.221 , United States, ASN15133 (EDGECAST, US),
Reverse DNS
Software
ECS (frb/6796) / ASP.NET
Resource Hash
4fa06b00a08b094490e4af510172ac96fe28039dfc5aac26c439e2e0232c9cc7
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;
X-Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;

Request headers

Referer
https://www.w3schools.com/
Origin
https://www.w3schools.com
accept-language
en-GB,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.139 Safari/537.36

Response headers

content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
date
Thu, 08 Feb 2024 10:55:01 GMT
last-modified
Wed, 07 Feb 2024 14:40:20 GMT
server
ECS (frb/6796)
age
6890
etag
"0e2fe92d359da1:0"
x-powered-by
ASP.NET
x-cache
HIT
content-type
application/font-woff2
cache-control
public,max-age=14400,public
accept-ranges
bytes
content-length
13764
x-content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
roboto-mono-v13-latin-500.woff2
www.w3schools.com/lib/fonts/
12 KB
12 KB
Font
General
Full URL
https://www.w3schools.com/lib/fonts/roboto-mono-v13-latin-500.woff2
Requested by
Host: www.w3schools.com
URL: https://www.w3schools.com/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
192.229.133.221 , United States, ASN15133 (EDGECAST, US),
Reverse DNS
Software
ECS (frb/67F3) / ASP.NET
Resource Hash
34e45e19c86321affecb63210e78cc2b706041dc27ba7074050767805433b5ff
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;
X-Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;

Request headers

Referer
https://www.w3schools.com/
Origin
https://www.w3schools.com
accept-language
en-GB,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.139 Safari/537.36

Response headers

content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
date
Thu, 08 Feb 2024 10:55:01 GMT
last-modified
Wed, 07 Feb 2024 14:40:20 GMT
server
ECS (frb/67F3)
age
6894
etag
"0e2fe92d359da1:0"
x-powered-by
ASP.NET
x-cache
HIT
content-type
application/font-woff2
cache-control
public,max-age=14400,public
accept-ranges
bytes
content-length
12488
x-content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
source-sans-pro-v14-latin-700.woff2
www.w3schools.com/lib/fonts/
15 KB
15 KB
Font
General
Full URL
https://www.w3schools.com/lib/fonts/source-sans-pro-v14-latin-700.woff2
Requested by
Host: www.w3schools.com
URL: https://www.w3schools.com/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
192.229.133.221 , United States, ASN15133 (EDGECAST, US),
Reverse DNS
Software
ECS (frb/674C) / ASP.NET
Resource Hash
24f7e397faec79e62c37ff2f00b170f6dc1557fb46ac169f9f1897a9d641dd03
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;
X-Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;

Request headers

Referer
https://www.w3schools.com/
Origin
https://www.w3schools.com
accept-language
en-GB,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.139 Safari/537.36

Response headers

content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
date
Thu, 08 Feb 2024 10:55:01 GMT
last-modified
Wed, 07 Feb 2024 14:40:20 GMT
server
ECS (frb/674C)
age
6894
etag
"0e2fe92d359da1:0"
x-powered-by
ASP.NET
x-cache
HIT
content-type
application/font-woff2
cache-control
public,max-age=14400,public
accept-ranges
bytes
content-length
15764
x-content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
source-sans-pro-v14-latin-600.woff2
www.w3schools.com/lib/fonts/
16 KB
16 KB
Font
General
Full URL
https://www.w3schools.com/lib/fonts/source-sans-pro-v14-latin-600.woff2
Requested by
Host: www.w3schools.com
URL: https://www.w3schools.com/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
192.229.133.221 , United States, ASN15133 (EDGECAST, US),
Reverse DNS
Software
ECS (frb/668D) / ASP.NET
Resource Hash
efb3cdc5e4582fd67dffab6fc6e5062074ce3f8c51747346af944e97749dc309
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;
X-Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;

Request headers

Referer
https://www.w3schools.com/
Origin
https://www.w3schools.com
accept-language
en-GB,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.139 Safari/537.36

Response headers

content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
date
Thu, 08 Feb 2024 10:55:01 GMT
last-modified
Wed, 07 Feb 2024 14:40:20 GMT
server
ECS (frb/668D)
age
6894
etag
"0e2fe92d359da1:0"
x-powered-by
ASP.NET
x-cache
HIT
content-type
application/font-woff2
cache-control
public,max-age=14400,public
accept-ranges
bytes
content-length
15948
x-content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
SourceSansPro-Regular.woff2
www.w3schools.com/lib/fonts/
75 KB
76 KB
Font
General
Full URL
https://www.w3schools.com/lib/fonts/SourceSansPro-Regular.woff2
Requested by
Host: www.w3schools.com
URL: https://www.w3schools.com/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
192.229.133.221 , United States, ASN15133 (EDGECAST, US),
Reverse DNS
Software
ECS (frb/669F) / ASP.NET
Resource Hash
a577ef6bc32e9fb5981b5f75f712fbe2ab208ed841905b06fc41dc943c7ef1dd
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;
X-Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;

Request headers

Referer
https://www.w3schools.com/
Origin
https://www.w3schools.com
accept-language
en-GB,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.139 Safari/537.36

Response headers

content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
date
Thu, 08 Feb 2024 10:55:01 GMT
last-modified
Wed, 07 Feb 2024 14:40:20 GMT
server
ECS (frb/669F)
age
6894
etag
"0e2fe92d359da1:0"
x-powered-by
ASP.NET
x-cache
HIT
content-type
application/font-woff2
cache-control
public,max-age=14400,public
accept-ranges
bytes
content-length
77280
x-content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
freckle-face-v9-latin-regular.woff2
www.w3schools.com/lib/fonts/
39 KB
39 KB
Font
General
Full URL
https://www.w3schools.com/lib/fonts/freckle-face-v9-latin-regular.woff2
Requested by
Host: www.w3schools.com
URL: https://www.w3schools.com/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
192.229.133.221 , United States, ASN15133 (EDGECAST, US),
Reverse DNS
Software
ECS (frb/6796) / ASP.NET
Resource Hash
9babf1917ae762ae27a3f8ec7704ac57dc4bd5cb86723852aeb53b4857522202
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;
X-Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;

Request headers

Referer
https://www.w3schools.com/
Origin
https://www.w3schools.com
accept-language
en-GB,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.139 Safari/537.36

Response headers

content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
date
Thu, 08 Feb 2024 10:55:02 GMT
last-modified
Wed, 07 Feb 2024 14:40:20 GMT
server
ECS (frb/6796)
age
6895
etag
"0e2fe92d359da1:0"
x-powered-by
ASP.NET
x-cache
HIT
content-type
application/font-woff2
cache-control
public,max-age=14400,public
accept-ranges
bytes
content-length
39652
x-content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
main.css
www.w3schools.com/lib/topnav/
34 KB
5 KB
Stylesheet
General
Full URL
https://www.w3schools.com/lib/topnav/main.css?v=1.0.30
Requested by
Host: www.w3schools.com
URL: https://www.w3schools.com/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
192.229.133.221 , United States, ASN15133 (EDGECAST, US),
Reverse DNS
Software
ECS (frb/67C1) / ASP.NET
Resource Hash
47b576748462f29acb996b036eab24e29ae27641d9f3d347ae1e3e3de6d56314
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;
X-Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://www.w3schools.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.139 Safari/537.36

Response headers

content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
content-encoding
gzip
date
Thu, 08 Feb 2024 10:55:01 GMT
last-modified
Wed, 07 Feb 2024 14:40:20 GMT
server
ECS (frb/67C1)
age
6862
etag
"0e2fe92d359da1:0+gzip"
x-powered-by
ASP.NET
vary
Accept-Encoding
x-cache
HIT
content-type
text/css
cache-control
public,max-age=14400,public
accept-ranges
bytes
content-length
4933
x-content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
main.css
www.w3schools.com/lib/pathfinder/
33 KB
4 KB
Stylesheet
General
Full URL
https://www.w3schools.com/lib/pathfinder/main.css?v=1.0.2
Requested by
Host: www.w3schools.com
URL: https://www.w3schools.com/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
192.229.133.221 , United States, ASN15133 (EDGECAST, US),
Reverse DNS
Software
ECS (frb/6713) / ASP.NET
Resource Hash
b8e4758ca24109884fc1a9253269d8ba5f691845b91e86ecc1a9e26cceb92a6e
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;
X-Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://www.w3schools.com/
User-Agent
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content-encoding
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TLS 1.3, , AES_128_GCM
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Response headers

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content-encoding
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server
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Response headers

access-control-allow-origin
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cache-control
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XHR
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URL: https://cdn.snigelweb.com/adconsent/79/adconsent__tcfapi.js
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H2
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TLS 1.3, , AES_128_GCM
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Request headers

accept-language
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Response headers

date
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content-encoding
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General
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
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accept-language
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Response headers

date
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server
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URL: https://c.amazon-adsystem.com/aax2/apstag.js
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H2
Security
TLS 1.3, , AES_128_GCM
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accept-language
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Response headers

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General
Full URL
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Host: c.amazon-adsystem.com
URL: https://c.amazon-adsystem.com/aax2/apstag.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
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Request headers

accept-language
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Response headers

x-amz-version-id
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content-encoding
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x-amz-cf-id
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137 KB
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General
Full URL
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URL: https://securepubads.g.doubleclick.net/tag/js/gpt.js
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H2
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TLS 1.3, , AES_128_GCM
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Request headers

accept-language
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User-Agent
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Response headers

date
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content-encoding
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x-content-type-options
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p3p
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alt-svc
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server
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vary
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User-Agent
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Response headers

date
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content-encoding
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server
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etag
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id5-api.js
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87 KB
25 KB
Script
General
Full URL
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Requested by
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
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Request headers

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Response headers

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strict-transport-security
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server
cloudflare
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x-amz-id-2
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General
Full URL
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Requested by
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URL: https://cdn.confiant-integrations.net/t_Qv_vWzcBDsyn934F1E0MWBb1c/prebid/config.js
Protocol
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TLS 1.3, , AES_128_GCM
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Request headers

accept-language
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https://www.w3schools.com/
User-Agent
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Response headers

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content-encoding
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server
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Full URL
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Software
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Resource Hash
Security Headers
Name Value
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Request headers

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Response headers

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cache-control
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2 B
376 B
Fetch
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Requested by
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URL: https://cdn.snigelweb.com/prebid/8.26.0/prebid.js?v=9128-1706789542135
Protocol
H2
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Reverse DNS
Software
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Security Headers
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Request headers

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content-type
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Response headers

pragma
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strict-transport-security
max-age=31536000; preload;
content-encoding
gzip
server
Kestrel
vary
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expires
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63 B
424 B
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General
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Requested by
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URL: https://cdn.snigelweb.com/prebid/8.26.0/prebid.js?v=9128-1706789542135
Protocol
H2
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Server
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Software
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Request headers

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content-type
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Response headers

date
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content-encoding
gzip
server
Kestrel
vary
Origin, Accept-Encoding
content-type
application/json
access-control-allow-origin
https://www.w3schools.com
cache-control
private
access-control-allow-credentials
true
access-control-allow-headers
Origin, X-Requested-With, Content-Type, Content-Length, Content-Encoding, Vary, Cache-Control, Accept
expires
Sat, 09 Mar 2024 10:55:02 GMT
adconsent__tcfapi_en.js
cdn.snigelweb.com/adconsent/79/views/gdpr/
94 KB
15 KB
Script
General
Full URL
https://cdn.snigelweb.com/adconsent/79/views/gdpr/adconsent__tcfapi_en.js
Requested by
Host: cdn.snigelweb.com
URL: https://cdn.snigelweb.com/adconsent/79/adconsent__tcfapi.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:af8 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
84120b0beedf6b2a74e851c9926d8306900d61b05490862ddb363245f0156560

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://www.w3schools.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.139 Safari/537.36

Response headers

date
Thu, 08 Feb 2024 10:55:02 GMT
content-encoding
br
cf-cache-status
HIT
age
605965
x-edge-location
London, GB
x-cache
MISS
last-modified
Thu, 01 Feb 2024 10:34:18 GMT
server
cloudflare
etag
W/"1770a-6104f89ab0b85"
vary
Accept-Encoding
content-type
application/javascript
access-control-allow-origin
*
cache-control
public, max-age=2419200, must-revalidate, immutable
x-edge-ip
51.195.133.194
cf-ray
8523568aaa5f3865-LHR
x-storage
909820195:8001
expires
0
collect
region1.analytics.google.com/g/
0
256 B
Ping
General
Full URL
https://region1.analytics.google.com/g/collect?v=2&tid=G-9YNMTB56NB&gtm=45je4250v9104228927z8846712008za200&_p=1707389702109&_gaz=1&gcd=13l3l3l3l1&npa=0&dma_cps=sypham&dma=1&tcfd=10001&cid=737541353.1707389703&ul=en-us&sr=1600x1200&uaa=&uab=&uafvl=&uamb=0&uam=&uap=&uapv=&uaw=0&pscdl=noapi&_s=1&sid=1707389702&sct=1&seg=0&dl=https%3A%2F%2Fwww.w3schools.com%2F&dt=W3Schools%20Online%20Web%20Tutorials&en=page_view&_fv=1&_nsi=1&_ss=1&ep.content_group=Other%20Group%2F&tfd=1104
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-9YNMTB56NB&l=dataLayer&cx=c
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2001:4860:4802:32::36 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://www.w3schools.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.139 Safari/537.36

Response headers

pragma
no-cache
date
Thu, 08 Feb 2024 10:55:02 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
https://www.w3schools.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
collect
stats.g.doubleclick.net/g/
0
256 B
Ping
General
Full URL
https://stats.g.doubleclick.net/g/collect?v=2&tid=G-9YNMTB56NB&cid=737541353.1707389703&gtm=45je4250v9104228927z8846712008za200&aip=1&dma=1&dma_cps=sypham&gcd=13l3l3l3l1&npa=0
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-9YNMTB56NB&l=dataLayer&cx=c
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:400c:c00::9d Brussels, Belgium, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://www.w3schools.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.139 Safari/537.36

Response headers

pragma
no-cache
date
Thu, 08 Feb 2024 10:55:02 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
https://www.w3schools.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
ga-audiences
www.google.de/ads/
42 B
408 B
Image
General
Full URL
https://www.google.de/ads/ga-audiences?v=1&t=sr&slf_rd=1&_r=4&tid=G-9YNMTB56NB&cid=737541353.1707389703&gtm=45je4250v9104228927z8846712008za200&aip=1&dma=1&dma_cps=sypham&gcd=13l3l3l3l1&npa=0&z=639936704
Requested by
Host: www.w3schools.com
URL: https://www.w3schools.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:829::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
en-GB,en;q=0.9
Referer
https://www.w3schools.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.139 Safari/537.36

Response headers

pragma
no-cache
date
Thu, 08 Feb 2024 10:55:02 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
w3schools_logo_500_04AA6D.png
www.w3schools.com/images/
16 KB
16 KB
Image
General
Full URL
https://www.w3schools.com/images/w3schools_logo_500_04AA6D.png
Requested by
Host: www.w3schools.com
URL: https://www.w3schools.com/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
192.229.133.221 , United States, ASN15133 (EDGECAST, US),
Reverse DNS
Software
ECS (frb/67D3) / ASP.NET
Resource Hash
72a90c039fc6fb99a7f6673407b78e16c1c5db33281efdf53ca26344a9a9098a
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;
X-Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://www.w3schools.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.139 Safari/537.36

Response headers

content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
date
Thu, 08 Feb 2024 10:55:02 GMT
last-modified
Wed, 07 Feb 2024 14:40:20 GMT
server
ECS (frb/67D3)
age
6893
etag
"0e2fe92d359da1:0"
x-powered-by
ASP.NET
x-cache
HIT
content-type
image/png
cache-control
public,max-age=14400,public
accept-ranges
bytes
content-length
16794
x-content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
putRecords
prod.tahoe-analytics.publishers.advertising.a2z.com/logevent/ Frame
0
0
Preflight
General
Full URL
https://prod.tahoe-analytics.publishers.advertising.a2z.com/logevent/putRecords?encoded=true
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
52.32.137.232 -, , ASN (),
Reverse DNS
Software
/
Resource Hash

Request headers

Accept
*/*
Access-Control-Request-Headers
content-type,x-api-key
Access-Control-Request-Method
POST
Origin
https://www.w3schools.com
Sec-Fetch-Mode
cors
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.139 Safari/537.36

Response headers

content-length
31
content-type
application/json
date
Thu, 08 Feb 2024 10:55:08 GMT
x-amz-apigw-id
S0Dp8HTYvHcETGg=
x-amzn-errortype
TooManyRequestsException
x-amzn-requestid
94d2b7eb-2ced-4b23-8f0d-1137cc4b48d0
putRecords
prod.tahoe-analytics.publishers.advertising.a2z.com/logevent/
0
0

Failed requests

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

Domain
prod.tahoe-analytics.publishers.advertising.a2z.com
URL
https://prod.tahoe-analytics.publishers.advertising.a2z.com/logevent/putRecords?encoded=true

Verdicts & Comments Add Verdict or Comment

154 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.

object| 0 object| 1 object| 2 object| 3 object| 4 string| subjectFolder object| dataLayer function| _0x4dd5a4 function| _0x240b function| _0x4094 function| _0x14b344 boolean| k42 object| gptAdSlots object| googletag object| snigelPubConf string| stickyadstatus function| fix_stickyad function| w3_getStyleValue function| Base64Encode function| Base64Decode object| Cookies object| Util object| UserSession object| MyLearning object| array_search_suggestions function| startscrolling_subtopnav function| scrolling_subtopnav function| endscrolling_subtopnav function| pellessii number| scrollspeed undefined| scrollinterval function| scrollmenow number| p_s_l number| x_s_l function| scrollbtn_visible function| stopscrollmenow function| subtopnav_intoview function| amIIntoView number| activate_subtopnav_scroll number| from_scrollpos number| current_scrollpos number| goto_tut function| w3CodeColor function| w3CodeColorize function| openLangTab function| open_search boolean| searchFromBox function| click_learntocode_search_btn function| find_search_results function| click_search_w3schools_link function| key_pressed_in_search function| submit_search_form function| execute_google_search function| secondSnigel object| TopNavBar function| w3_open function| w3_close function| w3_open_nav function| w3_close_nav function| w3_close_all_topnav function| gSearch function| highlightClassicSubNavActiveLinks undefined| k42ResizeFunc number| xbeforeResize number| ybeforeResize number| zbeforeResize number| sbeforeResize number| abeforeResize number| allbeforeResize function| skyscraperResize function| browserResize function| open_menu function| close_menu function| fix_sidemenu function| sidemenuitemintoview function| isIntoView function| scrolltop function| xxxchangecodetheme function| changecodetheme function| click_login_btn function| w3_close_all_nav function| searchfield_focus string| addr function| displayError function| hideError function| hideSent function| sendErr function| clickFBLike function| hideFBLike function| googleTranslateElementInit function| printPage function| k42Resizing object| regexppos object| bfnuttpos string| cc string| result function| docReady object| _snigelConfig object| adsbygoogle object| pbjs object| apstag object| adngin function| adconsent function| __tcfapi function| __uspapi function| __adconsent object| argus object| google_tag_manager object| google_tag_data object| confiant object| pbjsChunk object| _pbjsGlobals object| ADAGIO object| mnet object| __pubxFloors__ boolean| __pubxLoaded__ boolean| __loadedBeforePb__ object| __pmacCpmHistory__ number| __loadTime__ number| __loadTimestamp__ boolean| __pubxLogsEnabled__ object| __pubx__ function| onYouTubeIframeAPIReady function| _slicedToArray function| _nonIterableRest function| _unsupportedIterableToArray function| _arrayLikeToArray function| _iterableToArrayLimit function| _arrayWithHoles function| _typeof function| _regeneratorRuntime function| asyncGeneratorStep function| _asyncToGenerator object| _aps boolean| apstagLOADED object| apscustom object| ggeac object| google_js_reporting_queue undefined| google_measure_js_timing object| gaGlobal object| ID5 object| __id5_instances object| locale function| pug_attr function| pug_classes function| pug_classes_array function| pug_classes_object function| pug_escape function| pug_has_own_property object| pug_match_html function| callGUITemplate function| renderLegitimateVendors function| renderVendors object| PublisherCommonId

6 Cookies

Domain/Path Name / Value
.snigelweb.com/ Name: __cf_bm
Value: PoqoVTAdqgYkUJKL5TYGOtSNppam4aOP6Axonq33L4Y-1707389702-1-Abm/wkcfeovLnMHtgvjcK/5Uj7D4XSz73lP4W2iqpJJlKc/CrpaoNF9zdIuuT4ePzyvcjKzhy/Kqu53+sGDzpNw=
.w3schools.com/ Name: _sharedID
Value: 85e624ae-4ad2-478d-91a5-a6c748d73157
.w3schools.com/ Name: _sharedID_cst
Value: PSytLDEsog%3D%3D
.w3schools.com/ Name: _sharedID_last
Value: Thu%2C%2008%20Feb%202024%2010%3A55%3A02%20GMT
.w3schools.com/ Name: _ga_9YNMTB56NB
Value: GS1.1.1707389702.1.0.1707389702.60.0.0
.w3schools.com/ Name: _ga
Value: GA1.1.737541353.1707389703

9 Console Messages

Source Level URL
Text
other warning URL: https://www.w3schools.com/
Message:
Third-party cookie will be blocked. Learn more in the Issues tab.
other warning URL: https://www.w3schools.com/
Message:
Third-party cookie will be blocked. Learn more in the Issues tab.
other warning URL: https://www.w3schools.com/
Message:
Third-party cookie will be blocked. Learn more in the Issues tab.
other warning URL: https://www.w3schools.com/
Message:
Third-party cookie will be blocked. Learn more in the Issues tab.
other warning URL: https://www.w3schools.com/
Message:
Third-party cookie will be blocked. Learn more in the Issues tab.
other warning URL: https://www.w3schools.com/
Message:
Third-party cookie will be blocked. Learn more in the Issues tab.
other warning URL: https://www.w3schools.com/
Message:
Third-party cookie will be blocked. Learn more in the Issues tab.
javascript error URL: https://www.w3schools.com/
Message:
Access to fetch at 'https://prod.tahoe-analytics.publishers.advertising.a2z.com/logevent/putRecords?encoded=true' from origin 'https://www.w3schools.com' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource. If an opaque response serves your needs, set the request's mode to 'no-cors' to fetch the resource with CORS disabled.
network error URL: https://prod.tahoe-analytics.publishers.advertising.a2z.com/logevent/putRecords?encoded=true
Message:
Failed to load resource: net::ERR_FAILED

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
Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;
X-Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;

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.

adengine.snigelweb.com
c.amazon-adsystem.com
cdn.confiant-integrations.net
cdn.id5-sync.com
cdn.snigelweb.com
cdnx.snigelweb.com
config.aps.amazon-adsystem.com
floor.pbxai.com
gum.criteo.com
match.adsrvr.org
prod.tahoe-analytics.publishers.advertising.a2z.com
region1.analytics.google.com
secure.cdn.fastclick.net
securepubads.g.doubleclick.net
stats.g.doubleclick.net
www.google.de
www.googletagmanager.com
www.w3schools.com
prod.tahoe-analytics.publishers.advertising.a2z.com
108.138.6.136
184.30.211.26
192.229.133.221
2001:4860:4802:32::36
2600:9000:211e:600:12:7487:7980:93a1
2606:4700:10::6816:3556
2606:4700:4400::ac40:90a6
2606:4700::6812:af8
2a00:1450:4001:806::2008
2a00:1450:4001:829::2003
2a00:1450:4001:82b::2002
2a00:1450:400c:c00::9d
2a02:2638:3::c
3.124.128.111
35.71.131.137
52.32.137.232
99.86.4.71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