Submitted URL: http://frontendmasters.com/
Effective URL: https://frontendmasters.com/
Submission: On June 20 via manual from IN — Scanned from DE

Summary

This website contacted 11 IPs in 3 countries across 7 domains to perform 35 HTTP transactions. The main IP is 54.191.5.68, located in Boardman, United States and belongs to AMAZON-02, US. The main domain is frontendmasters.com. The Cisco Umbrella rank of the primary domain is 567302.
TLS certificate: Issued by Amazon RSA 2048 M02 on November 6th 2023. Valid for: a year.
This is the only time frontendmasters.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
2 54.191.5.68 16509 (AMAZON-02)
20 52.222.214.12 16509 (AMAZON-02)
1 2a00:1450:400... 15169 (GOOGLE)
3 2400:52e0:1e0... 60068 (CDN77 _)
3 2606:2800:134... 15133 (EDGECAST)
2 44.236.195.88 16509 (AMAZON-02)
1 2001:4860:480... 15169 (GOOGLE)
1 2a00:1450:400... 15169 (GOOGLE)
1 216.58.206.35 15169 (GOOGLE)
1 165.227.120.231 14061 (DIGITALOC...)
35 11
Apex Domain
Subdomains
Transfer
25 frontendmasters.com
frontendmasters.com — Cisco Umbrella Rank: 567302
static.frontendmasters.com
api.frontendmasters.com
pathway.frontendmasters.com — Cisco Umbrella Rank: 999435
762 KB
3 twimg.com
pbs.twimg.com — Cisco Umbrella Rank: 1240
55 KB
3 b-cdn.net
senjaio.b-cdn.net — Cisco Umbrella Rank: 364749
61 KB
1 google.de
www.google.de — Cisco Umbrella Rank: 8088
63 B
1 doubleclick.net
stats.g.doubleclick.net — Cisco Umbrella Rank: 136
247 B
1 google.com
region1.analytics.google.com — Cisco Umbrella Rank: 3125
256 B
1 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 81
106 KB
35 7
Domain Requested by
20 static.frontendmasters.com frontendmasters.com
static.frontendmasters.com
3 pbs.twimg.com frontendmasters.com
3 senjaio.b-cdn.net frontendmasters.com
2 api.frontendmasters.com static.frontendmasters.com
2 frontendmasters.com
1 pathway.frontendmasters.com
1 www.google.de frontendmasters.com
1 stats.g.doubleclick.net www.googletagmanager.com
1 region1.analytics.google.com www.googletagmanager.com
1 www.googletagmanager.com frontendmasters.com
35 10

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

Domain
twitter.com
www.linkedin.com
www.facebook.com
instagram.com
appstore.com
play.google.com
Subject Issuer Validity Valid
frontendmasters.com
Amazon RSA 2048 M02
2023-11-06 -
2024-12-05
a year crt.sh
static.frontendmasters.com
Amazon RSA 2048 M02
2023-09-23 -
2024-10-22
a year crt.sh
*.google-analytics.com
WR2
2024-06-03 -
2024-08-26
3 months crt.sh
*.b-cdn.net
Sectigo RSA Domain Validation Secure Server CA
2023-11-05 -
2024-11-11
a year crt.sh
*.twimg.com
DigiCert Global G2 TLS RSA SHA256 2020 CA1
2023-07-28 -
2024-07-26
a year crt.sh
*.frontendmasters.com
Amazon RSA 2048 M02
2023-09-18 -
2024-10-17
a year crt.sh
*.g.doubleclick.net
GTS CA 1C3
2024-05-27 -
2024-08-19
3 months crt.sh
*.google.de
WR2
2024-06-03 -
2024-08-26
3 months crt.sh
pathway.frontendmasters.com
R3
2024-05-16 -
2024-08-14
3 months crt.sh

This page contains 1 frames:

Primary Page: https://frontendmasters.com/
Frame ID: E2991A4CCB558D9F9E73CBD77B17F77F
Requests: 53 HTTP requests in this frame

Screenshot

Page Title

Learn JavaScript, React, and TypeScript to Node.js, Fullstack, and Backend | Frontend Masters

Page URL History Show full URLs

  1. http://frontendmasters.com/ HTTP 307
    https://frontendmasters.com/ Page URL

Detected technologies

Overall confidence: 100%
Detected patterns

Overall confidence: 100%
Detected patterns
  • googletagmanager\.com/gtag/js

Page Statistics

35
Requests

100 %
HTTPS

50 %
IPv6

7
Domains

10
Subdomains

11
IPs

3
Countries

985 kB
Transfer

1998 kB
Size

2
Cookies

Page URL History

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

  1. http://frontendmasters.com/ HTTP 307
    https://frontendmasters.com/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

35 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
frontendmasters.com/
Redirect Chain
  • http://frontendmasters.com/
  • https://frontendmasters.com/
40 KB
13 KB
Document
General
Full URL
https://frontendmasters.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
54.191.5.68 Boardman, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
ec2-54-191-5-68.us-west-2.compute.amazonaws.com
Software
nginx/1.16.1 /
Resource Hash
e2d3874c6947f8376f219f7546934f9c014f3861c63fb220671fafd2b81f0e07

Request headers

Accept-Language
de-DE,de;q=0.9;q=0.9
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

cache-control
no-store, no-cache, must-revalidate, proxy-revalidate, max-age=0
content-encoding
gzip
content-type
text/html
date
Thu, 20 Jun 2024 04:31:48 GMT
last-modified
Thursday, 20-Jun-2024 04:31:48 GMT
server
nginx/1.16.1
vary
Accept-Encoding

Redirect headers

Location
https://frontendmasters.com/
Non-Authoritative-Reason
HttpsUpgrades
bg_fallback.jpg
static.frontendmasters.com/assets/fm/med/home/
36 KB
36 KB
Image
General
Full URL
https://static.frontendmasters.com/assets/fm/med/home/bg_fallback.jpg
Requested by
Host: frontendmasters.com
URL: https://frontendmasters.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
52.222.214.12 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-52-222-214-12.fra56.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
c97d4429c7e5cf1a72209e842e4543f72165fded9124cacf7b7e32318291131d

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://frontendmasters.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-amz-version-id
2i2DVY9a7H_8inSSfdFm2QTfiZeBQwrN
date
Thu, 20 Jun 2024 01:13:38 GMT
via
1.1 68eb499493257a6d0620a0f6abdc78ca.cloudfront.net (CloudFront)
x-amz-cf-pop
FRA56-P3
age
13332
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-length
36371
last-modified
Wed, 12 Jun 2024 16:13:02 GMT
server
AmazonS3
etag
"885be1176fd6466a057358d04b125c39"
vary
Accept-Encoding
content-type
image/jpeg
cache-control
max-age=604800
accept-ranges
bytes
x-amz-cf-id
EHm2Ao70k8Ixg64DYF36Tx59c0JetsyjbYYtTctor6zwVC6ZvKqtmA==
core-02935cba6c.css
static.frontendmasters.com/assets/fm/js/
123 KB
20 KB
Stylesheet
General
Full URL
https://static.frontendmasters.com/assets/fm/js/core-02935cba6c.css
Requested by
Host: frontendmasters.com
URL: https://frontendmasters.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
52.222.214.12 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-52-222-214-12.fra56.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
7c1dc469d48548313e06a5145bbfba5e6ac5bbd3ee0e185fac2ab77d93084803

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://frontendmasters.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 18 Jun 2024 16:55:38 GMT
x-amz-version-id
svwGw..wCRoT_J13UqXpexXQInWf_4n5
content-encoding
gzip
last-modified
Tue, 18 Jun 2024 16:53:09 GMT
server
AmazonS3
via
1.1 68eb499493257a6d0620a0f6abdc78ca.cloudfront.net (CloudFront)
x-amz-cf-pop
FRA56-P3
etag
W/"02935cba6c72fb9ea0995776899f9744"
x-amz-server-side-encryption
AES256
vary
Accept-Encoding
x-cache
Hit from cloudfront
content-type
text/css
cache-control
max-age=31536000
age
128171
x-amz-cf-id
XzrhBT5p33hDxDe23CP56M1YFy_ioFb3vIwfCxxxH41qfbAtfs7KVg==
design-system-additional-8da873959b.css
static.frontendmasters.com/assets/fm/js/core/
405 B
824 B
Stylesheet
General
Full URL
https://static.frontendmasters.com/assets/fm/js/core/design-system-additional-8da873959b.css
Requested by
Host: frontendmasters.com
URL: https://frontendmasters.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
52.222.214.12 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-52-222-214-12.fra56.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
79ea16f3fced2d4fd73eee66b3961e5289a8fd9fd90d97dbce075e19012ecdf8

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://frontendmasters.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 11 Jun 2024 20:42:42 GMT
x-amz-version-id
7TB4clzVEhZM5zFyLCZjAIy2oERkiiRS
via
1.1 68eb499493257a6d0620a0f6abdc78ca.cloudfront.net (CloudFront)
last-modified
Tue, 11 Jun 2024 20:39:18 GMT
server
AmazonS3
x-amz-cf-pop
FRA56-P3
age
719347
etag
"8da873959b2ee6b50da5c104fdadcbb2"
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-type
text/css
cache-control
max-age=31536000
accept-ranges
bytes
content-length
405
x-amz-cf-id
z1XH42pq67TJjUgD1IXceeUl8Cg--MjpinQZJu2hVZIDmqOumRsZAg==
home-6cbfcf55a0.css
static.frontendmasters.com/assets/fm/js/pages/
22 KB
8 KB
Stylesheet
General
Full URL
https://static.frontendmasters.com/assets/fm/js/pages/home-6cbfcf55a0.css
Requested by
Host: frontendmasters.com
URL: https://frontendmasters.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
52.222.214.12 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-52-222-214-12.fra56.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
efcfeef31237c6396d4195b35c4050bb4362b1d4f84ae567bea85531e5bb522f

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://frontendmasters.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 11 Jun 2024 20:42:42 GMT
x-amz-version-id
RF37QBu7mlXKxog8ELXL2B9OQgHTrXDg
content-encoding
gzip
last-modified
Tue, 11 Jun 2024 20:39:21 GMT
server
AmazonS3
via
1.1 68eb499493257a6d0620a0f6abdc78ca.cloudfront.net (CloudFront)
x-amz-cf-pop
FRA56-P3
etag
W/"6cbfcf55a07ca18cc61fa262789995cc"
x-amz-server-side-encryption
AES256
vary
Accept-Encoding
x-cache
Hit from cloudfront
content-type
text/css
cache-control
max-age=31536000
age
719347
x-amz-cf-id
LP96Ke9xfdALQ5YO6Z8ar8onGenwAL2storL2PZBui_vo6Zeyg1SDA==
js
www.googletagmanager.com/gtag/
322 KB
106 KB
Script
General
Full URL
https://www.googletagmanager.com/gtag/js?id=G-KZMH0NYCFR
Requested by
Host: frontendmasters.com
URL: https://frontendmasters.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:830::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Google Tag Manager /
Resource Hash
628b435c767e0f8c3d191e6004d0a86032383fb3daf04e7162586419523557ba
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Xss-Protection 0

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://frontendmasters.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Thu, 20 Jun 2024 04:31:48 GMT
content-encoding
br
strict-transport-security
max-age=31536000; includeSubDomains
server
Google Tag Manager
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
private, max-age=900
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
access-control-allow-headers
Cache-Control
content-length
107862
x-xss-protection
0
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
expires
Thu, 20 Jun 2024 04:31:48 GMT
posterframe.webp
static.frontendmasters.com/assets/videos/promo/FEMpromoV8/
33 KB
34 KB
Image
General
Full URL
https://static.frontendmasters.com/assets/videos/promo/FEMpromoV8/posterframe.webp
Requested by
Host: frontendmasters.com
URL: https://frontendmasters.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
52.222.214.12 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-52-222-214-12.fra56.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
2a84240176792a34309b608338c587c2a45d9ede95c00ee5db144fe553acd2cb

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://frontendmasters.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-amz-version-id
oDGLrKpvwbSowGsAQJ0TwLnSZ6tXDwgH
date
Thu, 20 Jun 2024 04:31:50 GMT
via
1.1 68eb499493257a6d0620a0f6abdc78ca.cloudfront.net (CloudFront)
last-modified
Mon, 22 Apr 2024 22:32:35 GMT
server
AmazonS3
x-amz-cf-pop
FRA56-P3
x-amz-server-side-encryption
AES256
etag
"f7e962c28e7ccd81a8786c268f207bd2"
vary
Accept-Encoding
x-cache
RefreshHit from cloudfront
content-type
image/webp
accept-ranges
bytes
content-length
33864
x-amz-cf-id
UEPkSjcZXzUmGVLFjhJzjE588Ob_Xo8-gVTG6SNk89hCtiz-dV0DFw==
core.2690f78815c421de9ec0.js
static.frontendmasters.com/assets/fm/js/
176 KB
48 KB
Script
General
Full URL
https://static.frontendmasters.com/assets/fm/js/core.2690f78815c421de9ec0.js
Requested by
Host: frontendmasters.com
URL: https://frontendmasters.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
52.222.214.12 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-52-222-214-12.fra56.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
d1378dd308e14b4e61bf9a203e74037ec03a15dfba86d873afd4a4b14b06dd03

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://frontendmasters.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 18 Jun 2024 16:55:38 GMT
x-amz-version-id
lrasRe5bzDoJPeMSspnXODuTB47F7D07
content-encoding
gzip
last-modified
Tue, 18 Jun 2024 16:53:09 GMT
server
AmazonS3
via
1.1 68eb499493257a6d0620a0f6abdc78ca.cloudfront.net (CloudFront)
x-amz-cf-pop
FRA56-P3
etag
W/"406a8140de82abddcf29a6afe6b80614"
x-amz-server-side-encryption
AES256
vary
Accept-Encoding
x-cache
Hit from cloudfront
content-type
text/javascript
cache-control
max-age=31536000
age
128171
x-amz-cf-id
A0sVjprcjwUO6d4v_6gnCC1oE1TFxJuPDBp7vZabWrSzyEZRynviiw==
home.2690f78815c421de9ec0.js
static.frontendmasters.com/assets/fm/js/
18 KB
7 KB
Script
General
Full URL
https://static.frontendmasters.com/assets/fm/js/home.2690f78815c421de9ec0.js
Requested by
Host: frontendmasters.com
URL: https://frontendmasters.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
52.222.214.12 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-52-222-214-12.fra56.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
533fda4093f9dac0dc3af2fa370d424cbb117fe0cad9971ae142b8e5e2a6ea0a

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://frontendmasters.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 18 Jun 2024 16:56:14 GMT
x-amz-version-id
ohO1jNI7_FsfYF2cml_H9QsNE5ps7njN
content-encoding
gzip
last-modified
Tue, 18 Jun 2024 16:53:11 GMT
server
AmazonS3
via
1.1 68eb499493257a6d0620a0f6abdc78ca.cloudfront.net (CloudFront)
x-amz-cf-pop
FRA56-P3
etag
W/"150abab7d053a7b0c1d81021324bf855"
x-amz-server-side-encryption
AES256
vary
Accept-Encoding
x-cache
Hit from cloudfront
content-type
text/javascript
cache-control
max-age=31536000
age
128134
x-amz-cf-id
vahl3AH8TLW5zzkO3QebfVargm9l_HpStaw7U3Jq9yxYZa_pvuvFdQ==
workshop-player-23a01c789e.css
static.frontendmasters.com/assets/fm/js/_shared/
1 KB
957 B
Stylesheet
General
Full URL
https://static.frontendmasters.com/assets/fm/js/_shared/workshop-player-23a01c789e.css
Requested by
Host: frontendmasters.com
URL: https://frontendmasters.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
52.222.214.12 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-52-222-214-12.fra56.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
324a5077afd839ca984820c09f67c6e33394d57164db938f7b1a1dfd9f1e12c2

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://frontendmasters.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 11 Jun 2024 20:42:43 GMT
x-amz-version-id
6Ac23fd29xJevpQxkLdfGK7e4k35oNQE
content-encoding
gzip
last-modified
Tue, 11 Jun 2024 20:39:16 GMT
server
AmazonS3
via
1.1 68eb499493257a6d0620a0f6abdc78ca.cloudfront.net (CloudFront)
x-amz-cf-pop
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User-Agent
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Response headers

Content-Type
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0
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Request headers

Accept-Language
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User-Agent
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Response headers

Content-Type
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Protocol
H2
Security
TLS 1.3, , AES_256_GCM
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2400:52e0:1e00::1082:1 , Germany, ASN60068 (CDN77 _, GB),
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sec-ch-ua
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sec-ch-ua-mobile
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sec-ch-ua-platform
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Response headers

date
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last-modified
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server
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cdn-proxyver
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cdn-cache
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access-control-expose-headers
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cache-control
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x-bo-compressionratio
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cdn-requestid
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cdn-requestcountrycode
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access-control-allow-headers
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Protocol
H2
Security
TLS 1.3, , AES_256_GCM
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2400:52e0:1e00::1082:1 , Germany, ASN60068 (CDN77 _, GB),
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Software
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sec-ch-ua
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Referer
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Accept-Language
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sec-ch-ua-mobile
?0
User-Agent
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sec-ch-ua-platform
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Response headers

date
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x-downloadsize
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server
BunnyCDN-DE1-1082
cdn-proxyver
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60
content-type
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access-control-allow-origin
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cdn-cache
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cdn-uid
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access-control-expose-headers
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cache-control
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cdn-requestid
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cdn-requestcountrycode
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access-control-allow-headers
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25 KB
Image
General
Full URL
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Requested by
Host: frontendmasters.com
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Protocol
H2
Security
TLS 1.3, , AES_256_GCM
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Security Headers
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Request headers

sec-ch-ua
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Referer
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Accept-Language
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sec-ch-ua-mobile
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sec-ch-ua-platform
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Response headers

date
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strict-transport-security
max-age=631138519
x-content-type-options
nosniff
age
540232
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HIT
server-timing
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surrogate-key
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last-modified
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server
ECS (frb/67C0)
x-tw-cdn
VZ, VZ, VZ
content-type
image/jpeg
access-control-allow-origin
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access-control-expose-headers
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cache-control
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perf
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Full URL
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Protocol
H2
Security
TLS 1.3, , AES_256_GCM
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sec-ch-ua
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sec-ch-ua-mobile
?0
User-Agent
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sec-ch-ua-platform
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Response headers

date
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server
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cdn-proxyver
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cache-control
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Full URL
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H2
Security
TLS 1.3, , AES_256_GCM
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sec-ch-ua
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sec-ch-ua-platform
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Response headers

date
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strict-transport-security
max-age=631138519
x-content-type-options
nosniff
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HIT
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surrogate-key
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server
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x-tw-cdn
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sec-ch-ua
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sec-ch-ua-mobile
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sec-ch-ua-platform
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Response headers

date
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strict-transport-security
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x-content-type-options
nosniff
age
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HIT
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server
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x-tw-cdn
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0
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Full URL
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Requested by
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
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Request headers

sec-ch-ua
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sec-ch-ua-mobile
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Response headers

date
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x-amz-version-id
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server
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etag
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content-type
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cache-control
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accept-ranges
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Full URL
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H2
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Request headers

Accept
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content-type
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cors
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Response headers

access-control-allow-credentials
true
access-control-allow-headers
Content-Type
access-control-allow-origin
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content-encoding
gzip
content-length
23
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server
nginx/1.16.1
vary
Origin
x-robots-tag
noindex, nofollow, nosnippet, noarchive
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309 B
428 B
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General
Full URL
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Requested by
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Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
44.236.195.88 Boardman, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
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Software
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Resource Hash
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Request headers

sec-ch-ua
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Accept-Language
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sec-ch-ua-mobile
?0
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content-type
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accept
application/json
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sec-ch-ua-platform
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Response headers

date
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content-encoding
gzip
server
nginx/1.16.1
vary
Origin
content-type
application/json
access-control-allow-origin
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x-robots-tag
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Other
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Full URL
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Requested by
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
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Software
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sec-ch-ua
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sec-ch-ua-mobile
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sec-ch-ua-platform
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Response headers

date
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x-amz-version-id
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content-encoding
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last-modified
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server
AmazonS3
via
1.1 68eb499493257a6d0620a0f6abdc78ca.cloudfront.net (CloudFront)
x-amz-cf-pop
FRA56-P3
etag
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x-amz-server-side-encryption
AES256
vary
Accept-Encoding
x-cache
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content-type
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cache-control
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x-amz-cf-id
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Full URL
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Requested by
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URL: https://static.frontendmasters.com/assets/fm/js/core.2690f78815c421de9ec0.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
52.222.214.12 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-52-222-214-12.fra56.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://frontendmasters.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 18 Jun 2024 16:55:40 GMT
x-amz-version-id
TtG4bifA0E7Z3NBLZUCk6b0EDjS.j3v0
content-encoding
gzip
last-modified
Tue, 18 Jun 2024 16:53:08 GMT
server
AmazonS3
via
1.1 68eb499493257a6d0620a0f6abdc78ca.cloudfront.net (CloudFront)
x-amz-cf-pop
FRA56-P3
etag
W/"26dc137860a4b5608451e3b92f933dea"
x-amz-server-side-encryption
AES256
vary
Accept-Encoding
x-cache
Hit from cloudfront
content-type
text/javascript
cache-control
max-age=31536000
age
128168
x-amz-cf-id
9TdMQ5qTpQSMywqKyy5RPNaBz6J4aGGWVhIYGjy2CaOp2N9eHgZs3A==
fmplayer-promo.2690f78815c421de9ec0.js
static.frontendmasters.com/assets/fm/js/
0
498 B
Other
General
Full URL
https://static.frontendmasters.com/assets/fm/js/fmplayer-promo.2690f78815c421de9ec0.js
Requested by
Host: static.frontendmasters.com
URL: https://static.frontendmasters.com/assets/fm/js/core.2690f78815c421de9ec0.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
52.222.214.12 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-52-222-214-12.fra56.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://frontendmasters.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 18 Jun 2024 16:55:40 GMT
x-amz-version-id
KU.gXC.9i_hWo2qLKnnCCYlhy4sqXiOV
via
1.1 68eb499493257a6d0620a0f6abdc78ca.cloudfront.net (CloudFront)
last-modified
Tue, 18 Jun 2024 16:53:10 GMT
server
AmazonS3
x-amz-cf-pop
FRA56-P3
age
128168
etag
"dc141eb0e293efb61a3a54a1eea7c461"
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-type
text/javascript
cache-control
max-age=31536000
accept-ranges
bytes
content-length
85
x-amz-cf-id
UjL-sYW8qTwpmovoo9o68Z5KYwaOlrySbVqyg7Uhp8kUTBhWKC_dRg==
hero_c.mp4
static.frontendmasters.com/assets/fm/med/home/
34 KB
34 KB
Media
General
Full URL
https://static.frontendmasters.com/assets/fm/med/home/hero_c.mp4
Requested by
Host: frontendmasters.com
URL: https://frontendmasters.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
52.222.214.12 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-52-222-214-12.fra56.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
b71b2a6b79e19e9f2d59c7beca0037716cc5669177b875ce89ad09887a13379a

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Accept-Encoding
identity;q=1, *;q=0
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
Referer
https://frontendmasters.com/
Range
bytes=983040-
sec-ch-ua-platform
"Win32"

Response headers

x-amz-version-id
9dzs8vOZQ_ytaZfwpx.k7368.PmVCYeJ
date
Wed, 19 Jun 2024 02:40:21 GMT
via
1.1 68eb499493257a6d0620a0f6abdc78ca.cloudfront.net (CloudFront)
x-amz-cf-pop
FRA56-P3
age
513453
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
Content-Range
bytes 983040-1017501/1017502
Content-Length
34462
last-modified
Tue, 04 Jun 2024 16:56:42 GMT
server
AmazonS3
etag
"56e159e13379a3040e739fadddebca26"
vary
Accept-Encoding
content-type
video/mp4
cache-control
max-age=604800
accept-ranges
bytes
x-amz-cf-id
l131-L_g3JGBR3dtHL-tnLzGSswQfvvdMVwXNzsCLkoKaN29nOLAyw==
collect
region1.analytics.google.com/g/
0
256 B
Ping
General
Full URL
https://region1.analytics.google.com/g/collect?v=2&tid=G-KZMH0NYCFR&gtm=45je46h0v9112779219za200&_p=1718857908816&_gaz=1&gcd=13l3l3l2l1&npa=1&dma_cps=sypham&dma=1&tag_exp=0&cid=95599471.1718857909&ul=de-de&sr=1600x1200&uaa=x86&uab=64&uafvl=Not%252FA)Brand%3B8.0.0.0%7CChromium%3B126.0.6478.114%7CGoogle%2520Chrome%3B126.0.6478.114&uamb=0&uam=&uap=Win32&uapv=10.0.0&uaw=0&are=1&frm=0&pscdl=noapi&_s=1&sid=1718857908&sct=1&seg=0&dl=https%3A%2F%2Ffrontendmasters.com%2F&dt=Learn%20JavaScript%2C%20React%2C%20and%20TypeScript%20to%20Node.js%2C%20Fullstack%2C%20and%20Backend%20%7C%20Frontend%20Masters&en=page_view&_fv=1&_nsi=1&_ss=1&_ee=1&tfd=971&_z=sendBeacon
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-KZMH0NYCFR
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

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://frontendmasters.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

pragma
no-cache
date
Thu, 20 Jun 2024 04:31:48 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
https://frontendmasters.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
247 B
Ping
General
Full URL
https://stats.g.doubleclick.net/g/collect?v=2&tid=G-KZMH0NYCFR&cid=95599471.1718857909&gtm=45je46h0v9112779219za200&aip=1&dma=1&dma_cps=sypham&gcd=13l3l3l2l1&npa=1&frm=0
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-KZMH0NYCFR
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:400c:c1d::9c Brussels, Belgium, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://frontendmasters.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

pragma
no-cache
date
Thu, 20 Jun 2024 04:31:48 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
https://frontendmasters.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
63 B
Image
General
Full URL
https://www.google.de/ads/ga-audiences?v=1&t=sr&slf_rd=1&_r=4&tid=G-KZMH0NYCFR&cid=95599471.1718857909&gtm=45je46h0v9112779219za200&aip=1&dma=1&dma_cps=sypham&gcd=13l3l3l2l1&npa=1&frm=0&z=1775081576
Requested by
Host: frontendmasters.com
URL: https://frontendmasters.com/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
216.58.206.35 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
mil07s07-in-f3.1e100.net
Software
cafe /
Resource Hash
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://frontendmasters.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

pragma
no-cache
date
Thu, 20 Jun 2024 04:31:48 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
usage.gif
pathway.frontendmasters.com/
43 B
170 B
Image
General
Full URL
https://pathway.frontendmasters.com/usage.gif?token=477b9df4b9af41fea1d32431e1702aa5&correlationId=24ba6c8b-e74d-4221-97ee-7d9b499df30d&application=fm-com&x=64976eac-09e4-4c70-abf3-b1e3825e40b6&
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
165.227.120.231 Clifton, United States, ASN14061 (DIGITALOCEAN-ASN, US),
Reverse DNS
Software
Caddy, nginx /
Resource Hash
cf4724b2f736ed1a0ae6bc28f1ead963d9cd2c1fd87b6ef32e7799fc1c5c8bda

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://frontendmasters.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Thu, 20 Jun 2024 04:31:49 GMT
last-modified
Mon, 28 Sep 1970 06:00:00 GMT
cross-origin-resource-policy
cross-origin
server
Caddy, nginx
content-length
43
content-type
image/gif
favicon-32x32.png
frontendmasters.com/
873 B
1 KB
Other
General
Full URL
https://frontendmasters.com/favicon-32x32.png
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
54.191.5.68 Boardman, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
ec2-54-191-5-68.us-west-2.compute.amazonaws.com
Software
nginx/1.16.1 /
Resource Hash
c3b468e4eaccbd3412c9cc46e5388cb0f8ea0fa18d935042d5d6836bd64dd252

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://frontendmasters.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Thu, 20 Jun 2024 04:31:49 GMT
last-modified
Tue, 18 Jun 2024 16:54:43 GMT
server
nginx/1.16.1
etag
"6671bbd3-369"
content-type
image/png
cache-control
max-age=604800
accept-ranges
bytes
content-length
873
expires
Thu, 27 Jun 2024 04:31:49 GMT
hero_c.mp4
static.frontendmasters.com/assets/fm/med/home/
674 KB
311 KB
Media
General
Full URL
https://static.frontendmasters.com/assets/fm/med/home/hero_c.mp4
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
52.222.214.12 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-52-222-214-12.fra56.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
f0a723d4bf746b28c97bdce65590277b03c95cddfe5ca88ada3a5ff8cfc222ae

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Accept-Encoding
identity;q=1, *;q=0
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
Referer
https://frontendmasters.com/
Range
bytes=327680-
sec-ch-ua-platform
"Win32"

Response headers

x-amz-version-id
9dzs8vOZQ_ytaZfwpx.k7368.PmVCYeJ
date
Wed, 19 Jun 2024 02:40:21 GMT
via
1.1 68eb499493257a6d0620a0f6abdc78ca.cloudfront.net (CloudFront)
x-amz-cf-pop
FRA56-P3
age
513453
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
Content-Range
bytes 327680-1017501/1017502
Content-Length
689822
last-modified
Tue, 04 Jun 2024 16:56:42 GMT
server
AmazonS3
etag
"56e159e13379a3040e739fadddebca26"
vary
Accept-Encoding
content-type
video/mp4
cache-control
max-age=604800
accept-ranges
bytes
x-amz-cf-id
l131-L_g3JGBR3dtHL-tnLzGSswQfvvdMVwXNzsCLkoKaN29nOLAyw==

Verdicts & Comments Add Verdict or Comment

14 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.

undefined| event object| fence object| sharedStorage object| _promoBannerControl function| gtag object| dataLayer object| _bs object| webpackChunk object| TrackJS object| litHtmlVersions object| google_tag_manager object| google_tag_data function| onYouTubeIframeAPIReady object| gaGlobal

2 Cookies

Domain/Path Name / Value
.frontendmasters.com/ Name: _ga_KZMH0NYCFR
Value: GS1.1.1718857908.1.0.1718857908.60.0.0
.frontendmasters.com/ Name: _ga
Value: GA1.1.95599471.1718857909

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.

api.frontendmasters.com
frontendmasters.com
pathway.frontendmasters.com
pbs.twimg.com
region1.analytics.google.com
senjaio.b-cdn.net
static.frontendmasters.com
stats.g.doubleclick.net
www.google.de
www.googletagmanager.com
165.227.120.231
2001:4860:4802:32::36
216.58.206.35
2400:52e0:1e00::1082:1
2606:2800:134:fa2:1627:1fe:edb:1665
2a00:1450:4001:830::2008
2a00:1450:400c:c1d::9c
44.236.195.88
52.222.214.12
54.191.5.68
0975ba13526a126ab0bc5185d46017491ce51226bc555da48b6588841a725bc1
103e847abd0750496e3f24bd04b224fe400d8c805971fb022b2c1f57b47bb694
16d215e66454960efcf8aa91cac88d28d547512ed8ef77e0eea6e34f173c60a4
1a79ea1a955a2258ff8062261afc273980654b23ffbbc3403fdf4ea02d763bfe
224c7db0a5001eef84fbc10ad3b804da0518b8a0033fbe46fb5229e797202a88
2a84240176792a34309b608338c587c2a45d9ede95c00ee5db144fe553acd2cb
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324a5077afd839ca984820c09f67c6e33394d57164db938f7b1a1dfd9f1e12c2
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3d908e32ec8baa8bc5e917cf286f9415e07d4a518cab34a0d345256423bc3bea
3f35469726b7823b085cf027b9e43d2e389d4e138ed690e8e24d41615b5dbdf9
40fc57a9ab3d585f1f410bcff542af85d3b17c7ba57439aac414b1fa708787b0
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533fda4093f9dac0dc3af2fa370d424cbb117fe0cad9971ae142b8e5e2a6ea0a
608dd1323290fdb0d65a6fae36e040fbc80ffde8285ab6a1af315b6affb00441
60fa3d458eac2256298edf46a7dcdbbae9ad6d37ba1023129d80e851dcafa546
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6d633892fe287b4bf80b61947fb566e29e315faf65795cc4e28dfae62f24f6a6
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c3b468e4eaccbd3412c9cc46e5388cb0f8ea0fa18d935042d5d6836bd64dd252
c732a911b9b5c20f19fb930151a6fc3a7cd543008cfd41735f2b9aa2244acfbf
c97d4429c7e5cf1a72209e842e4543f72165fded9124cacf7b7e32318291131d
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