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engineering.fb.com Open in urlscan Pro
2a04:fa87:fffd::c000:4210  Public Scan

Go To Rescan Add Verdict Report
Submitted URL: http://facebookresearch.github.io/
Effective URL: https://engineering.fb.com/
Submission: On May 09 via api from GB — Scanned from GB
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 16 IPs in 4 countries across 15 domains to perform 57 HTTP transactions. The main IP is 2a04:fa87:fffd::c000:4210, located in Ireland and belongs to AUTOMATTIC, US. The main domain is engineering.fb.com.
TLS certificate: Issued by DigiCert SHA2 High Assurance Server CA on January 4th 2022. Valid for: a year.
This is the only time engineering.fb.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

2    2606:50c0:8002::153 (United States)

ASN54113 (FASTLY, US)
facebookresearch.github.io
1    2a03:2880:f02d:110:face:b00c:0:2 (Frankfurt am Main, Germany)

ASN32934 (FACEBOOK, US)
code.facebook.com
1    2a04:fa87:fffd::c000:42e8 (Ireland)

ASN2635 (AUTOMATTIC, US)
code.fb.com
34    2a04:fa87:fffd::c000:4210 (Ireland)

ASN2635 (AUTOMATTIC, US)
engineering.fb.com
4    2a00:1450:4001:810::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.googleoptimize.com
www.google-analytics.com
2    192.0.76.3 (San Francisco, United States)

ASN2635 (AUTOMATTIC, US)
stats.wp.com
pixel.wp.com
1    2a00:1450:4001:80e::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.googletagmanager.com
1    199.232.136.157 (Frankfurt am Main, Germany)

ASN54113 (FASTLY, US)
static.ads-twitter.com
4    2a03:2880:f02d:100:face:b00c:0:3 (Frankfurt am Main, Germany)

ASN32934 (FACEBOOK, US)
connect.facebook.net
1    104.244.42.195 (United States)

ASN13414 (TWITTER, US)
analytics.twitter.com
1    104.244.42.69 (United States)

ASN13414 (TWITTER, US)
t.co
1    143.204.98.82 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-143-204-98-82.fra50.r.cloudfront.net
static.hotjar.com
1    108.157.4.86 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-108-157-4-86.dus51.r.cloudfront.net
script.hotjar.com
1    143.204.98.123 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-143-204-98-123.fra50.r.cloudfront.net
vars.hotjar.com
2    2a03:2880:f11c:8183:face:b00c:0:25de (Frankfurt am Main, Germany)

ASN32934 (FACEBOOK, US)
www.facebook.com
1    2a00:1450:400c:c08::9b (Brussels, Belgium)

ASN15169 (GOOGLE, US)
stats.g.doubleclick.net
1    2a00:1450:4001:808::2004 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.google.com
1    2a00:1450:4001:829::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.google.co.uk
Apex Domain
Subdomains		 Transfer
35 fb.com
code.fb.com
engineering.fb.com
853 KB
4 facebook.net
connect.facebook.net — Cisco Umbrella Rank: 195
196 KB
3 google-analytics.com
www.google-analytics.com — Cisco Umbrella Rank: 101
20 KB
3 hotjar.com
static.hotjar.com — Cisco Umbrella Rank: 920
script.hotjar.com — Cisco Umbrella Rank: 1202
vars.hotjar.com — Cisco Umbrella Rank: 1251
66 KB
3 facebook.com
code.facebook.com
www.facebook.com — Cisco Umbrella Rank: 100
656 B
2 wp.com
stats.wp.com — Cisco Umbrella Rank: 3177
pixel.wp.com — Cisco Umbrella Rank: 2695
3 KB
2 github.io
facebookresearch.github.io
1 KB
1 google.co.uk
www.google.co.uk — Cisco Umbrella Rank: 2633
501 B
1 google.com
www.google.com — Cisco Umbrella Rank: 20
501 B
1 doubleclick.net
stats.g.doubleclick.net — Cisco Umbrella Rank: 175
447 B
1 t.co
t.co — Cisco Umbrella Rank: 563
337 B
1 twitter.com
analytics.twitter.com — Cisco Umbrella Rank: 800
355 B
1 ads-twitter.com
static.ads-twitter.com — Cisco Umbrella Rank: 963
10 KB
1 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 142
59 KB
1 googleoptimize.com
www.googleoptimize.com — Cisco Umbrella Rank: 2150
39 KB
57 15
Domain Requested by
34 engineering.fb.com engineering.fb.com
4 connect.facebook.net engineering.fb.com
connect.facebook.net
facebookresearch.github.io
3 www.google-analytics.com www.googletagmanager.com
www.google-analytics.com
2 www.facebook.com engineering.fb.com
2 facebookresearch.github.io 1 redirects
1 www.google.co.uk
1 www.google.com
1 stats.g.doubleclick.net www.google-analytics.com
1 vars.hotjar.com static.hotjar.com
1 script.hotjar.com static.hotjar.com
1 static.hotjar.com www.googletagmanager.com
1 t.co engineering.fb.com
1 analytics.twitter.com engineering.fb.com
1 pixel.wp.com engineering.fb.com
1 static.ads-twitter.com engineering.fb.com
1 www.googletagmanager.com engineering.fb.com
1 stats.wp.com engineering.fb.com
1 www.googleoptimize.com engineering.fb.com
1 code.fb.com 1 redirects
1 code.facebook.com 1 redirects
57 20
Subject Issuer Validity Valid
*.github.com
DigiCert TLS RSA SHA256 2020 CA1		 2022-04-07 -
2023-04-07		 a year crt.sh
engineering.fb.com
DigiCert SHA2 High Assurance Server CA		 2022-01-04 -
2023-01-04		 a year crt.sh
*.google-analytics.com
GTS CA 1C3		 2022-04-18 -
2022-07-11		 3 months crt.sh
*.wp.com
Sectigo RSA Domain Validation Secure Server CA		 2020-04-02 -
2022-07-05		 2 years 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		 2022-02-16 -
2022-05-17		 3 months crt.sh
*.twitter.com
DigiCert TLS RSA SHA256 2020 CA1		 2021-10-31 -
2022-10-30		 a year crt.sh
t.co
DigiCert TLS RSA SHA256 2020 CA1		 2021-12-13 -
2022-12-12		 a year crt.sh
*.hotjar.com
Amazon		 2021-11-25 -
2022-12-23		 a year crt.sh
*.g.doubleclick.net
GTS CA 1C3		 2022-04-18 -
2022-07-11		 3 months crt.sh
www.google.com
GTS CA 1C3		 2022-04-18 -
2022-07-11		 3 months crt.sh
www.google.co.uk
GTS CA 1C3		 2022-04-18 -
2022-07-11		 3 months crt.sh

This page contains 3 frames:

Primary Page: https://engineering.fb.com/
Frame ID: A5BA164B3CAEAEA9E32148F39BF08609
Requests: 55 HTTP requests in this frame

Frame: https://vars.hotjar.com/box-21ccaa45726c0f3c8c458f7a87eb2298.html
Frame ID: FA051F6FE1F6A16E756BAC19EDE4FA43
Requests: 1 HTTP requests in this frame

Frame: https://www.facebook.com/tr/
Frame ID: 6EB5B2534DE7C2433DC7A6FBDE025269
Requests: 1 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

Engineering at Meta

Page URL History Show full URLs

  1. http://facebookresearch.github.io/ HTTP 301
    https://facebookresearch.github.io/ Page URL
  2. https://code.facebook.com/ HTTP 301
    https://code.fb.com/ HTTP 301
    https://engineering.fb.com/ Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • /wp-(?:content|includes)/
Overall confidence: 100%
Detected patterns
  • //connect\.facebook\.([a-z]+)/[^/]*/[a-z]*\.js
Overall confidence: 100%
Detected patterns
  • google-analytics\.com/(?:ga|urchin|analytics)\.js
Overall confidence: 100%
Detected patterns
  • googleoptimize\.com/optimize\.js
Overall confidence: 100%
Detected patterns
  • <!-- (?:End )?Google Tag Manager -->
  • googletagmanager\.com/gtm\.js
Overall confidence: 100%
Detected patterns
  • //static\.hotjar\.com/

Page Statistics

57
Requests

100 %
HTTPS

61 %
IPv6

15
Domains

20
Subdomains

16
IPs

4
Countries

1249 kB
Transfer

2966 kB
Size

11
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://facebookresearch.github.io/ HTTP 301
    https://facebookresearch.github.io/ Page URL
  2. https://code.facebook.com/ HTTP 301
    https://code.fb.com/ HTTP 301
    https://engineering.fb.com/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 0
  • http://facebookresearch.github.io/ HTTP 301
  • https://facebookresearch.github.io/

57 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
/
facebookresearch.github.io/
Redirect Chain
  • http://facebookresearch.github.io/
  • https://facebookresearch.github.io/
113 B
511 B 		Document
General
Check archive.org
Download Go to
Full URL
https://facebookresearch.github.io/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:50c0:8002::153 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
GitHub.com /
Resource Hash
867954431ea93425cb69b7fcbbfe5cb30155fa750a561bd222825886d3d77bff

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.41 Safari/537.36
accept-language
en-GB,en;q=0.9

Response headers

accept-ranges
bytes
access-control-allow-origin
*
age
0
cache-control
max-age=600
content-length
113
content-type
text/html; charset=utf-8
date
Mon, 09 May 2022 19:30:28 GMT
etag
"5d9f90ac-71"
expires
Mon, 09 May 2022 19:40:28 GMT
last-modified
Thu, 10 Oct 2019 20:12:28 GMT
permissions-policy
interest-cohort=()
server
GitHub.com
vary
Accept-Encoding
via
1.1 varnish
x-cache
MISS
x-cache-hits
0
x-fastly-request-id
257aa9a64990426ed3915f1deeab31f0c1486c88
x-github-request-id
4F14:2D5A:5B4085:6657C3:62796BD4
x-proxy-cache
MISS
x-served-by
cache-mxp6976-MXP
x-timer
S1652124629.692245,VS0,VE100

Redirect headers

Accept-Ranges
bytes
Age
0
Connection
keep-alive
Content-Length
162
Content-Type
text/html
Date
Mon, 09 May 2022 19:30:28 GMT
Location
https://facebookresearch.github.io/
Server
GitHub.com
Vary
Accept-Encoding
Via
1.1 varnish
X-Cache
MISS
X-Cache-Hits
0
X-Fastly-Request-ID
3512e2331c2daa3fa477d9557cf42bc40c9acc83
X-GitHub-Request-Id
9A2A:10BB8:230854D:2422246:62796BD4
X-Served-By
cache-mxp6973-MXP
X-Timer
S1652124628.397203,VS0,VE93
permissions-policy
interest-cohort=()
Primary Request /
engineering.fb.com/
Redirect Chain
  • https://code.facebook.com/
  • https://code.fb.com/
  • https://engineering.fb.com/
66 KB
13 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://engineering.fb.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a04:fa87:fffd::c000:4210 , Ireland, ASN2635 (AUTOMATTIC, US),
Reverse DNS
Software
nginx / WordPress VIP <https://wpvip.com>
Resource Hash
c5c67e2ec9c5eb1b9ba49fae00044955d0c90932ad866006c8935c48a702d171
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;includeSubdomains;preload

Request headers

Referer
https://facebookresearch.github.io/
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.41 Safari/537.36
accept-language
en-GB,en;q=0.9

Response headers

accept-ranges
bytes
age
1542
cache-control
max-age=300, must-revalidate
content-encoding
gzip
content-length
12927
content-type
text/html; charset=UTF-8
date
Mon, 09 May 2022 19:30:29 GMT
host-header
a9130478a60e5f9135f765b23f26593b
link
<https://engineering.fb.com/wp-json/>; rel="https://api.w.org/" <https://wp.me/a0Lhq>; rel=shortlink
server
nginx
strict-transport-security
max-age=31536000;includeSubdomains;preload
vary
Accept-Encoding
x-cache
hit
x-hacker
If you're reading this, you should visit wpvip.com/careers and apply to join the fun, mention this header.
x-powered-by
WordPress VIP <https://wpvip.com>
x-rq
lhr1 0 4 9980

Redirect headers

age
1777
cache-control
max-age=300, must-revalidate
content-encoding
gzip
content-length
20
content-type
text/html; charset=utf-8
date
Mon, 09 May 2022 19:30:29 GMT
location
https://engineering.fb.com/
server
nginx
strict-transport-security
max-age=31536000;includeSubdomains;preload
x-cache
hit
x-rq
lhr4 0 4 9980
optimize.js
www.googleoptimize.com/ 		101 KB
39 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.googleoptimize.com/optimize.js?id=OPT-TPNDQC5
Requested by
Host: engineering.fb.com
URL: https://engineering.fb.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:810::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Google Tag Manager /
Resource Hash
c925e01877fe58aaa570564fca9307f4a2de033f04faf908302813a399320cdf
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Xss-Protection 0

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.41 Safari/537.36

Response headers

date
Mon, 09 May 2022 19:30:29 GMT
content-encoding
br
vary
Accept-Encoding
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
39845
x-xss-protection
0
last-modified
Mon, 09 May 2022 18:00:00 GMT
server
Google Tag Manager
strict-transport-security
max-age=31536000; includeSubDomains
content-type
application/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
private, max-age=900
access-control-allow-credentials
true
access-control-allow-headers
Cache-Control
expires
Mon, 09 May 2022 19:30:29 GMT
/
engineering.fb.com/_static/ 		97 KB
14 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://engineering.fb.com/_static/??-eJyNj9EOwjAIRX/IjizRuRfjt3SUTJR2TWEx/XvnzJLtzccLHODAOztOKHMgBVSFwGowyIQvJzwUXyqoVaEmcmqWgRPsiadCpMCehCIlO4QsvlJxQqPH+h++9Pb5AOGUbD0xuyzzyElByRd8AIlXY8yFtv+/ImUpGwWXJzV1P6PVRLe193hru0vbd21/vn4AN49jAw==
Requested by
Host: engineering.fb.com
URL: https://engineering.fb.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a04:fa87:fffd::c000:4210 , Ireland, ASN2635 (AUTOMATTIC, US),
Reverse DNS
Software
nginx /
Resource Hash
2b9e301b61304b2a916cb76c3cec37d6a9dea6a7e32efcb302a4ffc3464c19d7
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;includeSubdomains;preload

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.41 Safari/537.36

Response headers

date
Mon, 09 May 2022 19:30:29 GMT
x-rq
lhr1 0 4 9980
last-modified
Fri, 06 May 2022 18:30:47 GMT
server
nginx
age
261315
vary
Accept-Encoding
x-cache
hit
content-type
text/css;charset=utf-8
cache-control
max-age=31536000
strict-transport-security
max-age=31536000;includeSubdomains;preload
accept-ranges
bytes
content-encoding
gzip
content-length
14214
/
engineering.fb.com/_static/ 		544 KB
72 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://engineering.fb.com/_static/??-eJxlzdEOgjAMheEXsitLwMiF8Vm0qzClY7ElvL4bYmLi7Zfz5+CageZknAzztAwxKRYaQn5V1+ohqmGVHRypHvAntJGFFWkODPdbYfk0ZYc0xinAtnAS018rC3x/H2z5Sk/wjeu3dofaXOTsj51v+rY7tW8kzkFc
Requested by
Host: engineering.fb.com
URL: https://engineering.fb.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a04:fa87:fffd::c000:4210 , Ireland, ASN2635 (AUTOMATTIC, US),
Reverse DNS
Software
nginx /
Resource Hash
2763743ef4fa7910956c59da8f67e5521281fffa980b46542d9470dc96f9e6fd
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;includeSubdomains;preload

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.41 Safari/537.36

Response headers

date
Mon, 09 May 2022 19:30:29 GMT
x-rq
lhr1 0 4 9980
last-modified
Wed, 27 Apr 2022 21:23:04 GMT
server
nginx
age
352536
vary
Accept-Encoding
x-cache
hit
content-type
text/css;charset=utf-8
cache-control
max-age=31536000
strict-transport-security
max-age=31536000;includeSubdomains;preload
accept-ranges
bytes
content-encoding
gzip
content-length
73759
/
engineering.fb.com/_static/ 		124 KB
42 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://engineering.fb.com/_static/??-eJyFjlEKwjAQRC9kuwS07Y94ltIsMaHZrrsbxNubQAT/CgMDjzcw8OZhO8iQDHgvIZJCRcGzNK6N+6gGjXQwJr00KdK2F48KqeZVUD69xhzpVBpyDLIa/su/J/bEXCeFPIqarNzWfDCjdP2R7266uWVyy3VOX0MqSYE=
Requested by
Host: engineering.fb.com
URL: https://engineering.fb.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a04:fa87:fffd::c000:4210 , Ireland, ASN2635 (AUTOMATTIC, US),
Reverse DNS
Software
nginx /
Resource Hash
31317009fe0a5e1a6e5819a92391162427c9bae5c403e2882c67110112ab213e
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;includeSubdomains;preload

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.41 Safari/537.36

Response headers

date
Mon, 09 May 2022 19:30:29 GMT
x-rq
lhr1 0 4 9980
last-modified
Fri, 06 May 2022 18:30:47 GMT
server
nginx
age
261315
vary
Accept-Encoding
x-cache
hit
content-type
application/javascript
cache-control
max-age=31536000
strict-transport-security
max-age=31536000;includeSubdomains;preload
accept-ranges
bytes
content-encoding
gzip
content-length
43025
FacebookReader-Medium.woff2
engineering.fb.com/wp-content/themes/code-fb-com/fonts/ 		35 KB
35 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://engineering.fb.com/wp-content/themes/code-fb-com/fonts/FacebookReader-Medium.woff2
Requested by
Host: engineering.fb.com
URL: https://engineering.fb.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a04:fa87:fffd::c000:4210 , Ireland, ASN2635 (AUTOMATTIC, US),
Reverse DNS
Software
nginx /
Resource Hash
3308641936bc2eac40fb9c9df0cfd27211c5a59bfb7be229f4f6b152b0e07a9d
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;includeSubdomains;preload

Request headers

Referer
https://engineering.fb.com/
Origin
https://engineering.fb.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/101.0.4951.41 Safari/537.36

Response headers

date
Mon, 09 May 2022 19:30:29 GMT
content-encoding
gzip
vary
X-Mobile-Class
age
220
x-cache
hit
content-length
35521
x-rq
lhr1 0 4 9980
last-modified
Mon, 25 Apr 2022 18:02:08 GMT
server
nginx
etag
W/"6266e220-8aa0"
strict-transport-security
max-age=31536000;includeSubdomains;preload
access-control-allow-methods
GET, HEAD
content-type
font/woff2
access-control-allow-origin
*
cache-control
max-age=31536000
accept-ranges
bytes
expires
Tue, 09 May 2023 19:30:29 GMT
FacebookReader-Regular.woff2
engineering.fb.com/wp-content/themes/code-fb-com/fonts/ 		34 KB
35 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://engineering.fb.com/wp-content/themes/code-fb-com/fonts/FacebookReader-Regular.woff2
Requested by
Host: engineering.fb.com
URL: https://engineering.fb.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a04:fa87:fffd::c000:4210 , Ireland, ASN2635 (AUTOMATTIC, US),
Reverse DNS
Software
nginx /
Resource Hash
98e066f80b90afe0dd247b303b1be67b9870fae8fac6df38bcb03bc75af36478
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;includeSubdomains;preload

Request headers

Referer
https://engineering.fb.com/
Origin
https://engineering.fb.com
accept-language
en-GB,en;q=0.9
User-Agent
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Response headers

date
Mon, 09 May 2022 19:30:29 GMT
x-rq
lhr1 109 32 443
last-modified
Mon, 02 May 2022 16:45:06 GMT
server
nginx
etag
"0aab1d6fc0892c66"
vary
Accept
x-cache
HIT
content-type
image/webp
cache-control
max-age=2592000
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expires
Tue, 02 May 2023 16:45:06 GMT
fiber_route_hero.jpg
engineering.fb.com/wp-content/uploads/2022/04/ 		76 KB
76 KB 		Image
General
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Full URL
https://engineering.fb.com/wp-content/uploads/2022/04/fiber_route_hero.jpg?w=580&h=326&crop=1
Requested by
Host: engineering.fb.com
URL: https://engineering.fb.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
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Request headers

accept-language
en-GB,en;q=0.9
Referer
https://engineering.fb.com/
User-Agent
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Response headers

date
Mon, 09 May 2022 19:30:29 GMT
x-rq
lhr1 109 196 443
last-modified
Mon, 02 May 2022 07:19:31 GMT
server
nginx
etag
"5a8dd993c782ea06"
vary
Accept
x-cache
HIT
content-type
image/webp
cache-control
max-age=2592000
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Eng-Blog-Self-Serve-Hero-Images-ANALYTICS-401-Teale.jpg
engineering.fb.com/wp-content/uploads/2022/04/ 		61 KB
61 KB 		Image
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https://engineering.fb.com/wp-content/uploads/2022/04/Eng-Blog-Self-Serve-Hero-Images-ANALYTICS-401-Teale.jpg?w=580&h=326&crop=1
Requested by
Host: engineering.fb.com
URL: https://engineering.fb.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
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Request headers

accept-language
en-GB,en;q=0.9
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https://engineering.fb.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.41 Safari/537.36

Response headers

date
Mon, 09 May 2022 19:30:29 GMT
x-rq
lhr1 109 84 443
last-modified
Tue, 26 Apr 2022 17:02:42 GMT
server
nginx
etag
"476f1f9b784d9149"
vary
Accept
x-cache
HIT
content-type
image/webp
cache-control
max-age=2592000
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Wed, 26 Apr 2023 17:02:42 GMT
CD22_138-Eng-Blog-De-Identified-Authorization-Hero.jpg
engineering.fb.com/wp-content/uploads/2022/03/ 		56 KB
56 KB 		Image
General
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https://engineering.fb.com/wp-content/uploads/2022/03/CD22_138-Eng-Blog-De-Identified-Authorization-Hero.jpg?w=580&h=326&crop=1
Requested by
Host: engineering.fb.com
URL: https://engineering.fb.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
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Request headers

accept-language
en-GB,en;q=0.9
Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.41 Safari/537.36

Response headers

date
Mon, 09 May 2022 19:30:29 GMT
x-rq
lhr1 109 32 443
last-modified
Wed, 30 Mar 2022 17:39:56 GMT
server
nginx
etag
"0c8b64ecb9443621"
vary
Accept
x-cache
HIT
content-type
image/webp
cache-control
max-age=2592000
strict-transport-security
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accept-ranges
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expires
Thu, 30 Mar 2023 17:39:56 GMT
Eng-Blog-Self-Serve-Hero-Images-DEBUGGING-203-Orange.jpg
engineering.fb.com/wp-content/uploads/2022/03/ 		36 KB
36 KB 		Image
General
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https://engineering.fb.com/wp-content/uploads/2022/03/Eng-Blog-Self-Serve-Hero-Images-DEBUGGING-203-Orange.jpg?w=580&h=326&crop=1
Requested by
Host: engineering.fb.com
URL: https://engineering.fb.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
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nginx /
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Request headers

accept-language
en-GB,en;q=0.9
Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.41 Safari/537.36

Response headers

date
Mon, 09 May 2022 19:30:29 GMT
x-rq
lhr1 109 28 443
last-modified
Thu, 17 Mar 2022 16:19:00 GMT
server
nginx
etag
"315386487bab9aff"
vary
Accept
x-cache
HIT
content-type
image/webp
cache-control
max-age=2592000
strict-transport-security
max-age=31536000;includeSubdomains;preload
accept-ranges
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expires
Fri, 17 Mar 2023 16:19:00 GMT
RiB_RichTeal.jpg
engineering.fb.com/wp-content/uploads/2021/08/ 		14 KB
14 KB 		Image
General
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Full URL
https://engineering.fb.com/wp-content/uploads/2021/08/RiB_RichTeal.jpg?w=580&h=326&crop=1
Requested by
Host: engineering.fb.com
URL: https://engineering.fb.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
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nginx /
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Request headers

accept-language
en-GB,en;q=0.9
Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.41 Safari/537.36

Response headers

date
Mon, 09 May 2022 19:30:29 GMT
x-rq
lhr1 109 196 443
last-modified
Mon, 09 Aug 2021 16:37:19 GMT
server
nginx
etag
"053af32334cc291d"
vary
Accept
x-cache
HIT
content-type
image/webp
cache-control
max-age=2592000
strict-transport-security
max-age=31536000;includeSubdomains;preload
accept-ranges
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expires
Tue, 09 Aug 2022 16:37:19 GMT
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engineering.fb.com/wp-content/uploads/2022/03/ 		21 KB
21 KB 		Image
General
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Full URL
https://engineering.fb.com/wp-content/uploads/2022/03/WhatsApp-Code-Verify-Hero2.jpg?w=580&h=326&crop=1
Requested by
Host: engineering.fb.com
URL: https://engineering.fb.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a04:fa87:fffd::c000:4210 , Ireland, ASN2635 (AUTOMATTIC, US),
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nginx /
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Name Value
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Request headers

accept-language
en-GB,en;q=0.9
Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.41 Safari/537.36

Response headers

date
Mon, 09 May 2022 19:30:29 GMT
x-rq
lhr1 109 196 443
last-modified
Thu, 10 Mar 2022 18:52:14 GMT
server
nginx
etag
"2dabefd3a08146e2"
vary
Accept
x-cache
HIT
content-type
image/webp
cache-control
max-age=2592000
strict-transport-security
max-age=31536000;includeSubdomains;preload
accept-ranges
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content-length
21532
expires
Fri, 10 Mar 2023 18:52:14 GMT
RiB_LightNavy.jpg
engineering.fb.com/wp-content/uploads/2021/03/ 		16 KB
16 KB 		Image
General
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Full URL
https://engineering.fb.com/wp-content/uploads/2021/03/RiB_LightNavy.jpg?w=580&h=326&crop=1
Requested by
Host: engineering.fb.com
URL: https://engineering.fb.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
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nginx /
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Request headers

accept-language
en-GB,en;q=0.9
Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.41 Safari/537.36

Response headers

date
Mon, 09 May 2022 19:30:29 GMT
x-rq
lhr1 109 200 443
last-modified
Fri, 09 Jul 2021 08:06:46 GMT
server
nginx
etag
"a56c17da1d5172f3"
vary
Accept
x-cache
HIT
content-type
image/webp
cache-control
max-age=2592000
strict-transport-security
max-age=31536000;includeSubdomains;preload
accept-ranges
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content-length
16122
expires
Sat, 09 Jul 2022 08:06:46 GMT
LogDevice_Thumbnail.png
engineering.fb.com/wp-content/uploads/2022/02/ 		14 KB
14 KB 		Image
General
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Full URL
https://engineering.fb.com/wp-content/uploads/2022/02/LogDevice_Thumbnail.png?w=580&h=326&crop=1
Requested by
Host: engineering.fb.com
URL: https://engineering.fb.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
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Software
nginx /
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Name Value
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Request headers

accept-language
en-GB,en;q=0.9
Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.41 Safari/537.36

Response headers

date
Mon, 09 May 2022 19:30:29 GMT
x-rq
lhr1 109 144 443
last-modified
Mon, 07 Mar 2022 17:15:51 GMT
server
nginx
etag
"6a3e5f0edc16cf15"
vary
Accept
x-cache
HIT
content-type
image/webp
cache-control
max-age=2592000
strict-transport-security
max-age=31536000;includeSubdomains;preload
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expires
Tue, 07 Mar 2023 17:15:51 GMT
datahallway_thumb.jpg
engineering.fb.com/wp-content/themes/code-fb-com/img/ 		81 KB
81 KB 		Image
General
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Full URL
https://engineering.fb.com/wp-content/themes/code-fb-com/img/datahallway_thumb.jpg
Requested by
Host: engineering.fb.com
URL: https://engineering.fb.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a04:fa87:fffd::c000:4210 , Ireland, ASN2635 (AUTOMATTIC, US),
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Software
nginx /
Resource Hash
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Security Headers
Name Value
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Request headers

accept-language
en-GB,en;q=0.9
Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.41 Safari/537.36

Response headers

date
Mon, 09 May 2022 19:30:29 GMT
x-rq
lhr1 0 4 9980
last-modified
Fri, 01 Apr 2022 13:52:44 GMT
server
nginx
age
1644463
etag
W/"624703ac-14319"
strict-transport-security
max-age=31536000;includeSubdomains;preload
x-cache
hit
content-type
image/jpeg
cache-control
max-age=31536000
accept-ranges
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gzip
content-length
82678
expires
Tue, 09 May 2023 19:30:29 GMT
fbopensource.png
engineering.fb.com/wp-content/themes/code-fb-com/img/ 		5 KB
5 KB 		Image
General
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Full URL
https://engineering.fb.com/wp-content/themes/code-fb-com/img/fbopensource.png
Requested by
Host: engineering.fb.com
URL: https://engineering.fb.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a04:fa87:fffd::c000:4210 , Ireland, ASN2635 (AUTOMATTIC, US),
Reverse DNS
Software
nginx /
Resource Hash
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Security Headers
Name Value
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Request headers

accept-language
en-GB,en;q=0.9
Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.41 Safari/537.36

Response headers

date
Mon, 09 May 2022 19:30:29 GMT
x-rq
lhr1 0 4 9980
last-modified
Fri, 01 Apr 2022 13:52:44 GMT
server
nginx
age
1644463
etag
W/"624703ac-12a9"
strict-transport-security
max-age=31536000;includeSubdomains;preload
x-cache
hit
content-type
image/png
cache-control
max-age=31536000
accept-ranges
bytes
content-encoding
gzip
content-length
4800
expires
Tue, 09 May 2023 19:30:29 GMT
meta_logo.png
engineering.fb.com/wp-content/themes/code-fb-com/img/ 		14 KB
13 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://engineering.fb.com/wp-content/themes/code-fb-com/img/meta_logo.png
Requested by
Host: engineering.fb.com
URL: https://engineering.fb.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a04:fa87:fffd::c000:4210 , Ireland, ASN2635 (AUTOMATTIC, US),
Reverse DNS
Software
nginx /
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=31536000;includeSubdomains;preload

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.41 Safari/537.36

Response headers

date
Mon, 09 May 2022 19:30:29 GMT
x-rq
lhr1 0 4 9980
last-modified
Fri, 01 Apr 2022 13:52:44 GMT
server
nginx
age
1644463
etag
W/"624703ac-3791"
strict-transport-security
max-age=31536000;includeSubdomains;preload
x-cache
hit
content-type
image/png
cache-control
max-age=31536000
accept-ranges
bytes
content-encoding
gzip
content-length
13292
expires
Tue, 09 May 2023 19:30:29 GMT
facebook-developers.png
engineering.fb.com/wp-content/themes/code-fb-com/img/ 		5 KB
5 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://engineering.fb.com/wp-content/themes/code-fb-com/img/facebook-developers.png
Requested by
Host: engineering.fb.com
URL: https://engineering.fb.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a04:fa87:fffd::c000:4210 , Ireland, ASN2635 (AUTOMATTIC, US),
Reverse DNS
Software
nginx /
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=31536000;includeSubdomains;preload

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.41 Safari/537.36

Response headers

date
Mon, 09 May 2022 19:30:29 GMT
x-rq
lhr1 0 4 9980
last-modified
Fri, 01 Apr 2022 13:52:44 GMT
server
nginx
age
1644463
etag
W/"624703ac-15c2"
strict-transport-security
max-age=31536000;includeSubdomains;preload
x-cache
hit
content-type
image/png
cache-control
max-age=31536000
accept-ranges
bytes
content-encoding
gzip
content-length
5544
expires
Tue, 09 May 2023 19:30:29 GMT
rss.png
engineering.fb.com/wp-content/themes/code-fb-com/img/ 		4 KB
4 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://engineering.fb.com/wp-content/themes/code-fb-com/img/rss.png
Requested by
Host: engineering.fb.com
URL: https://engineering.fb.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a04:fa87:fffd::c000:4210 , Ireland, ASN2635 (AUTOMATTIC, US),
Reverse DNS
Software
nginx /
Resource Hash
e573450887073f09e11e573f9ccda153d3c657afe8094b8a572bfe6a0dd2db64
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;includeSubdomains;preload

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.41 Safari/537.36

Response headers

date
Mon, 09 May 2022 19:30:29 GMT
x-rq
lhr1 0 4 9980
last-modified
Fri, 01 Apr 2022 13:52:44 GMT
server
nginx
age
1644463
etag
W/"624703ac-1168"
strict-transport-security
max-age=31536000;includeSubdomains;preload
x-cache
hit
content-type
image/png
cache-control
max-age=31536000
accept-ranges
bytes
content-encoding
gzip
content-length
4479
expires
Tue, 09 May 2023 19:30:29 GMT
android.png
engineering.fb.com/wp-content/themes/code-fb-com/img/ 		2 KB
2 KB 		Image
General
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Full URL
https://engineering.fb.com/wp-content/themes/code-fb-com/img/android.png
Requested by
Host: engineering.fb.com
URL: https://engineering.fb.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a04:fa87:fffd::c000:4210 , Ireland, ASN2635 (AUTOMATTIC, US),
Reverse DNS
Software
nginx /
Resource Hash
d2bec5f5316d88ccd7002de34073446f76ca5d7f40d04a999bc743cc42345cdf
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;includeSubdomains;preload

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.41 Safari/537.36

Response headers

date
Mon, 09 May 2022 19:30:29 GMT
x-rq
lhr1 0 4 9980
last-modified
Fri, 01 Apr 2022 13:52:44 GMT
server
nginx
age
1644463
etag
W/"624703ac-911"
strict-transport-security
max-age=31536000;includeSubdomains;preload
x-cache
hit
content-type
image/png
cache-control
max-age=31536000
accept-ranges
bytes
content-encoding
gzip
content-length
2344
expires
Tue, 09 May 2023 19:30:29 GMT
ios.png
engineering.fb.com/wp-content/themes/code-fb-com/img/ 		1 KB
1 KB 		Image
General
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Full URL
https://engineering.fb.com/wp-content/themes/code-fb-com/img/ios.png
Requested by
Host: engineering.fb.com
URL: https://engineering.fb.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a04:fa87:fffd::c000:4210 , Ireland, ASN2635 (AUTOMATTIC, US),
Reverse DNS
Software
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Full URL
https://vars.hotjar.com/box-21ccaa45726c0f3c8c458f7a87eb2298.html
Requested by
Host: static.hotjar.com
URL: https://static.hotjar.com/c/hotjar-2145971.js?sv=7
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
143.204.98.123 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-143-204-98-123.fra50.r.cloudfront.net
Software
/
Resource Hash
c5da2e1eefbe4efd64ec18b775495cf3011d9ae03842917bfe1b0a50e03a7a44

Request headers

Referer
https://engineering.fb.com/
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.41 Safari/537.36
accept-language
en-GB,en;q=0.9

Response headers

accept-ranges
bytes
age
15744311
cache-control
max-age=31536000
content-encoding
br
content-length
1044
content-type
text/html
cross-origin-embedder-policy
require-corp
cross-origin-resource-policy
cross-origin
date
Mon, 08 Nov 2021 14:05:19 GMT
etag
"6a4e2ae376c29011d2e53de65a08d0b7"
last-modified
Tue, 01 Jun 2021 09:17:15 GMT
vary
Accept-Encoding
via
1.1 fa5a3d5abd34c6fac657b045a4dcbdc4.cloudfront.net (CloudFront)
x-amz-cf-id
lL5BQXiBcUM-L4wlTxlHCyNLcQysyzyFKEYWb0kbAvVQu49Cb-zW7g==
x-amz-cf-pop
FRA50-C1
x-cache
Hit from cloudfront
x-robots-tag
none
/
www.facebook.com/tr/ 		44 B
408 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.facebook.com/tr/?id=495601705602455&ev=PageView&dl=https%3A%2F%2Fengineering.fb.com%2F&rl=https%3A%2F%2Ffacebookresearch.github.io%2F&if=false&ts=1652124630075&sw=1600&sh=1200&v=2.9.58&r=stable&ec=0&o=30&fbp=fb.1.1652124630073.944209088&it=1652124629926&coo=false&exp=p0&rqm=GET
Requested by
Host: engineering.fb.com
URL: https://engineering.fb.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a03:2880:f11c:8183:face:b00c:0:25de Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US),
Reverse DNS
Software
proxygen-bolt /
Resource Hash
10d8d42d73a02ddb877101e72fbfa15a0ec820224d97cedee4cf92d571be5caa
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.41 Safari/537.36

Response headers

date
Mon, 09 May 2022 19:30:30 GMT
last-modified
Fri, 21 Dec 2012 00:00:01 GMT
server
proxygen-bolt
strict-transport-security
max-age=31536000; includeSubDomains
content-type
image/gif
cache-control
no-cache, must-revalidate, max-age=0
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
44
expires
Mon, 09 May 2022 19:30:30 GMT
analytics.js
www.google-analytics.com/ 		49 KB
20 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.google-analytics.com/analytics.js
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-KZRLGZ8
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:810::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
a1925038db769477ab74b4df34350c35688a795bb718727b0f4292a4a78a6210
Security Headers
Name Value
Strict-Transport-Security max-age=10886400; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.41 Safari/537.36

Response headers

strict-transport-security
max-age=10886400; includeSubDomains; preload
content-encoding
gzip
x-content-type-options
nosniff
last-modified
Wed, 13 Apr 2022 21:02:38 GMT
server
Golfe2
age
6940
date
Mon, 09 May 2022 17:34:50 GMT
vary
Accept-Encoding
content-type
text/javascript
cache-control
public, max-age=7200
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
20006
expires
Mon, 09 May 2022 19:34:50 GMT
collect
www.google-analytics.com/j/ 		2 B
22 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://www.google-analytics.com/j/collect?v=1&_v=j96&a=1482571180&t=pageview&_s=1&dl=https%3A%2F%2Fengineering.fb.com%2F&dr=https%3A%2F%2Ffacebookresearch.github.io%2F&ul=en-us&de=UTF-8&dt=Engineering%20at%20Meta&sd=24-bit&sr=1600x1200&vp=1600x1200&je=0&_u=YEBAAEABAAAAAC~&jid=985437207&gjid=6256069&cid=1731236249.1652124630&tid=UA-44373548-1&_gid=1776295170.1652124630&_r=1&gtm=2wg540KZRLGZ8&cd1=MAY%205%2C%202022&z=1731385972
Requested by
Host: www.google-analytics.com
URL: https://www.google-analytics.com/analytics.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2a00:1450:4001:810::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
de3246094525b21a870fc7d2a67490d0132535c6fa5993755c549f1a9d1bd8af
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://engineering.fb.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/101.0.4951.41 Safari/537.36
Content-Type
text/plain

Response headers

pragma
no-cache
date
Mon, 09 May 2022 19:30:30 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://engineering.fb.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
collect
www.google-analytics.com/ 		35 B
55 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.google-analytics.com/collect?v=1&_v=j96&a=1482571180&t=event&ni=0&_s=1&dl=https%3A%2F%2Fengineering.fb.com%2F&dr=https%3A%2F%2Ffacebookresearch.github.io%2F&ul=en-us&de=UTF-8&dt=Engineering%20at%20Meta&sd=24-bit&sr=1600x1200&vp=1600x1200&je=0&ec=Scroll%20Depth&ea=%2F&el=25&_u=YEDAAEABAAAAAC~&jid=&gjid=&cid=1731236249.1652124630&tid=UA-44373548-1&_gid=1776295170.1652124630&gtm=2wg540KZRLGZ8&cd1=MAY%205%2C%202022&z=2052525684
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2a00:1450:4001:810::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
8337212354871836e6763a41e615916c89bac5b3f1f0adf60ba43c7c806e1015
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.41 Safari/537.36

Response headers

pragma
no-cache
date
Mon, 09 May 2022 00:59:05 GMT
x-content-type-options
nosniff
last-modified
Sun, 17 May 1998 03:00:00 GMT
server
Golfe2
age
66685
content-type
image/gif
access-control-allow-origin
*
cache-control
no-cache, no-store, must-revalidate
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length
35
expires
Mon, 01 Jan 1990 00:00:00 GMT
collect
stats.g.doubleclick.net/j/ 		7 B
447 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://stats.g.doubleclick.net/j/collect?t=dc&aip=1&_r=3&v=1&_v=j96&tid=UA-44373548-1&cid=1731236249.1652124630&jid=985437207&gjid=6256069&_gid=1776295170.1652124630&_u=YEBAAEAAAAAAAC~&z=442388289
Requested by
Host: www.google-analytics.com
URL: https://www.google-analytics.com/analytics.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:400c:c08::9b Brussels, Belgium, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
3c25b077a6d92cd9d3576660b68c4c0bd135b78b3cd3b66491ff2c7aa0eeaad3
Security Headers
Name Value
Strict-Transport-Security max-age=10886400; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://engineering.fb.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/101.0.4951.41 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
Mon, 09 May 2022 19:30:30 GMT
content-type
text/plain
access-control-allow-origin
https://engineering.fb.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
7
expires
Fri, 01 Jan 1990 00:00:00 GMT
ga-audiences
www.google.com/ads/ 		42 B
501 B 		Image
General
Check archive.org
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-44373548-1&cid=1731236249.1652124630&jid=985437207&_u=YEBAAEAAAAAAAC~&z=532373515
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:808::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
en-GB,en;q=0.9
Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.41 Safari/537.36

Response headers

pragma
no-cache
date
Mon, 09 May 2022 19:30:30 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
ga-audiences
www.google.co.uk/ads/ 		42 B
501 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.google.co.uk/ads/ga-audiences?t=sr&aip=1&_r=4&slf_rd=1&v=1&_v=j96&tid=UA-44373548-1&cid=1731236249.1652124630&jid=985437207&_u=YEBAAEAAAAAAAC~&z=532373515
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://engineering.fb.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.41 Safari/537.36

Response headers

pragma
no-cache
date
Mon, 09 May 2022 19:30:30 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
/
www.facebook.com/tr/ Frame 6EB5 		0
18 B 		Document
General
Check archive.org
Download Go to
Full URL
https://www.facebook.com/tr/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2a03:2880:f11c:8183:face:b00c:0:25de Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US),
Reverse DNS
Software
proxygen-bolt /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains

Request headers

Content-Type
application/x-www-form-urlencoded
Origin
https://engineering.fb.com
Referer
https://engineering.fb.com/
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.41 Safari/537.36
accept-language
en-GB,en;q=0.9

Response headers

access-control-allow-credentials
true
access-control-allow-origin
https://engineering.fb.com
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
0
content-type
text/plain
cross-origin-resource-policy
cross-origin
date
Mon, 09 May 2022 19:30:30 GMT
priority
u=0
server
proxygen-bolt
strict-transport-security
max-age=31536000; includeSubDomains

Verdicts & Comments Add Verdict or Comment

75 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| oncontextlost object| oncontextrestored function| structuredClone function| getScreenDetails object| _wpemojiSettings object| _domassistevents function| gdprSafeTrack undefined| $ function| jQuery function| Popper object| dataLayer function| twq object| loadmore_params object| search_params function| LazyLoad function| createLightbox function| createFacebookPlayer function| checkFacebookUrl function| twitterSharePopup function| fbShare function| shareHackerNews function| twitterFollow function| tabHandler function| loadPosts function| newPostsInit object| jQuerynavbarSearchbarToggler object| jQuerynavbarMenuToggler object| jQuerynavbarMobileSearch object| jQuerysearchContainer object| jQuerynavContainer function| hideSearchContainer function| showSearchContainer function| hideNavContainer function| showNavContainer function| truncateTitle function| validateAndSanitize function| jobEvents function| jobEventTracking function| readMoreInTracking function| videoAjaxHandler function| createVideoPlayer function| resetPlaylist function| setPlaylists function| setActivePlaylist function| categoryDropdownInit function| videoInit object| _self object| Prism function| DOMPurify object| bootstrap object| _stq object| google_tag_manager object| google_optimize object| twemoji object| wp function| st_go function| linktracker_init object| wpcom object| FB object| twttr function| hj object| _hjSettings function| fbq function| _fbq object| hjSiteSettings function| hjBootstrap object| hjBootstrapCalled object| hjLazyModules object| google_tag_data string| GoogleAnalyticsObject function| ga object| gaplugins object| gaGlobal object| gaData

11 Cookies

Domain/Path Name / Value
.twitter.com/ Name: personalization_id
Value: "v1_5jwS8poIYXYGOHb48cXDow=="
.t.co/ Name: muc_ads
Value: 36cb8019-7154-4701-a32d-9fc4333a71bc
.fb.com/ Name: _fbp
Value: fb.1.1652124630073.944209088
.facebook.com/ Name: fr
Value: 00uic5KPe6vGPMfRy..BieWvW...1.0.BieWvW.
.fb.com/ Name: _hjSessionUser_2145971
Value: eyJpZCI6IjdjMGU5ZGU3LWZmN2YtNTFkMC1hZWE2LWI5ZDA2ODNiYmEyNyIsImNyZWF0ZWQiOjE2NTIxMjQ2MzAyMDIsImV4aXN0aW5nIjpmYWxzZX0=
.fb.com/ Name: _hjFirstSeen
Value: 1
.fb.com/ Name: _hjSession_2145971
Value: eyJpZCI6ImNjMmZkOTljLTBkYTgtNDBmZi1iMWJhLTc0ZjJhYmE1N2IwZSIsImNyZWF0ZWQiOjE2NTIxMjQ2MzAyMTYsImluU2FtcGxlIjpmYWxzZX0=
.fb.com/ Name: _hjAbsoluteSessionInProgress
Value: 0
.fb.com/ Name: _ga
Value: GA1.2.1731236249.1652124630
.fb.com/ Name: _gid
Value: GA1.2.1776295170.1652124630
.fb.com/ Name: _gat_UA-44373548-1
Value: 1

1 Console Messages

Source Level URL
Text
security warning
Message:
Error with Permissions-Policy header: Origin trial controlled feature not enabled: 'interest-cohort'.

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.

analytics.twitter.com
code.facebook.com
code.fb.com
connect.facebook.net
engineering.fb.com
facebookresearch.github.io
pixel.wp.com
script.hotjar.com
static.ads-twitter.com
static.hotjar.com
stats.g.doubleclick.net
stats.wp.com
t.co
vars.hotjar.com
www.facebook.com
www.google-analytics.com
www.google.co.uk
www.google.com
www.googleoptimize.com
www.googletagmanager.com
104.244.42.195
104.244.42.69
108.157.4.86
143.204.98.123
143.204.98.82
192.0.76.3
199.232.136.157
2606:50c0:8002::153
2a00:1450:4001:808::2004
2a00:1450:4001:80e::2008
2a00:1450:4001:810::200e
2a00:1450:4001:829::2003
2a00:1450:400c:c08::9b
2a03:2880:f02d:100:face:b00c:0:3
2a03:2880:f02d:110:face:b00c:0:2
2a03:2880:f11c:8183:face:b00c:0:25de
2a04:fa87:fffd::c000:4210
2a04:fa87:fffd::c000:42e8
08577020800123a94ed17e369994852a0a1c05ea875abe776773fac88c50fa11
0ff325837e0f3d0ebc0193af7bdec500d8c27d5b324e8808c9ad0a144dad0095
10d8d42d73a02ddb877101e72fbfa15a0ec820224d97cedee4cf92d571be5caa
19284533915784ca8dab4f71230450f0a71789ea2efc70c3e750cf2dca542bb2
1c4e94ae73c9352e46d5c06236bc957f1ff2996d352e311a724f25b1a0d98613
1d26ce98bff7f26d78b0ffda00a124ecbf1069fe3c74ceab4b3e9398cfea68f2
2763743ef4fa7910956c59da8f67e5521281fffa980b46542d9470dc96f9e6fd
2b9e301b61304b2a916cb76c3cec37d6a9dea6a7e32efcb302a4ffc3464c19d7
2d8b9c6cdea9fb9cf4c097386a16e5bbb9599f7bf468052d2caca3b009ec5358
31317009fe0a5e1a6e5819a92391162427c9bae5c403e2882c67110112ab213e
31667680a6a79881c0ac3a7a205c02e8341219d364ec9b0251a93d0b799c890e
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