urlscan.io logo urlscan.io
SecurityTrails logo

engineering.fb.com Open in urlscan Pro
192.0.66.236  Public Scan

Go To Rescan Add Verdict Report
Submitted URL: http://facebookmicrosites.github.io/
Effective URL: https://engineering.fb.com/
Submission: On July 10 via manual from PL — Scanned from PL
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 5 IPs in 2 countries across 5 domains to perform 39 HTTP transactions. The main IP is 192.0.66.236, located in San Francisco, United States and belongs to AUTOMATTIC, US. The main domain is engineering.fb.com.
TLS certificate: Issued by DigiCert SHA2 High Assurance Server CA on October 30th 2023. 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

IP Address AS Autonomous System
2 185.199.108.153 54113 (FASTLY)
1 1 157.240.252.10 32934 (FACEBOOK)
1 1 192.0.66.29 2635 (AUTOMATTIC)
33 192.0.66.236 2635 (AUTOMATTIC)
1 142.250.185.142 15169 (GOOGLE)
2 157.240.252.13 32934 (FACEBOOK)
39 5
2    185.199.108.153 (United States)

ASN54113 (FASTLY, US)
PTR: cdn-185-199-108-153.github.com
facebookmicrosites.github.io
1    157.240.252.10 (Frankfurt am Main, Germany)

ASN32934 (FACEBOOK, US)
PTR: edge-star-shv-01-fra3.facebook.com
code.facebook.com
1    192.0.66.29 (San Francisco, United States)

ASN2635 (AUTOMATTIC, US)
code.fb.com
33    192.0.66.236 (San Francisco, United States)

ASN2635 (AUTOMATTIC, US)
engineering.fb.com
1    142.250.185.142 (United States)

ASN15169 (GOOGLE, US)
PTR: fra16s50-in-f14.1e100.net
www.googleoptimize.com
2    157.240.252.13 (Frankfurt am Main, Germany)

ASN32934 (FACEBOOK, US)
PTR: xx-fbcdn-shv-01-fra3.fbcdn.net
connect.facebook.net
Apex Domain
Subdomains		 Transfer
34 fb.com
code.fb.com
engineering.fb.com
1 MB
2 facebook.net
connect.facebook.net — Cisco Umbrella Rank: 232
89 KB
2 github.io
facebookmicrosites.github.io
1 KB
1 googleoptimize.com
www.googleoptimize.com — Cisco Umbrella Rank: 5428
65 KB
1 facebook.com
code.facebook.com
105 B
39 5
Domain Requested by
33 engineering.fb.com engineering.fb.com
2 connect.facebook.net engineering.fb.com
connect.facebook.net
2 facebookmicrosites.github.io
1 www.googleoptimize.com engineering.fb.com
1 code.fb.com 1 redirects
1 code.facebook.com 1 redirects
39 6
Subject Issuer Validity Valid
*.github.io
DigiCert Global G2 TLS RSA SHA256 2020 CA1		 2024-03-15 -
2025-03-14		 a year crt.sh
engineering.fb.com
DigiCert SHA2 High Assurance Server CA		 2023-10-30 -
2024-10-29		 a year crt.sh
*.google-analytics.com
WR2		 2024-06-24 -
2024-09-16		 3 months crt.sh
*.facebook.com
DigiCert SHA2 High Assurance Server CA		 2024-04-18 -
2024-07-17		 3 months crt.sh

This page contains 1 frames:

Primary Page: https://engineering.fb.com/
Frame ID: 17170168E79C22049FD2DF5B85B17F61
Requests: 39 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

Engineering at Meta - Engineering at Meta Blog

Page URL History Show full URLs

  1. http://facebookmicrosites.github.io/ HTTP 307
    https://facebookmicrosites.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
  • <link rel=["']stylesheet["'] [^>]+/wp-(?:content|includes)/
  • /wp-(?:content|includes)/
Overall confidence: 100%
Detected patterns
  • //connect\.facebook\.([a-z]+)/[^/]*/[a-z]*\.js
Overall confidence: 100%
Detected patterns
  • googleoptimize\.com/optimize\.js
Overall confidence: 100%
Detected patterns
  • prism\.js

Page Statistics

39
Requests

97 %
HTTPS

0 %
IPv6

5
Domains

6
Subdomains

5
IPs

2
Countries

1544 kB
Transfer

2775 kB
Size

0
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://facebookmicrosites.github.io/ HTTP 307
    https://facebookmicrosites.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://facebookmicrosites.github.io/ HTTP 307
  • https://facebookmicrosites.github.io/

39 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
/
facebookmicrosites.github.io/
Redirect Chain
  • http://facebookmicrosites.github.io/
  • https://facebookmicrosites.github.io/
113 B
532 B 		Document
General
Check archive.org
Download Go to
Full URL
https://facebookmicrosites.github.io/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
185.199.108.153 , United States, ASN54113 (FASTLY, US),
Reverse DNS
cdn-185-199-108-153.github.com
Software
GitHub.com /
Resource Hash
867954431ea93425cb69b7fcbbfe5cb30155fa750a561bd222825886d3d77bff
Security Headers
Name Value
Strict-Transport-Security max-age=31557600

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

accept-ranges
bytes
access-control-allow-origin
*
age
17
cache-control
max-age=600
content-length
113
content-type
text/html; charset=utf-8
date
Wed, 10 Jul 2024 10:51:43 GMT
etag
"5a7c83e9-71"
expires
Wed, 10 Jul 2024 11:01:26 GMT
last-modified
Thu, 08 Feb 2018 17:07:53 GMT
permissions-policy
interest-cohort=()
server
GitHub.com
strict-transport-security
max-age=31557600
vary
Accept-Encoding
via
1.1 varnish
x-cache
HIT
x-cache-hits
1
x-fastly-request-id
3dc3febf224184668cf1062a653f7e1f63c9c760
x-github-request-id
9701:3A15E6:FD2E81:103604F:668E67AD
x-proxy-cache
MISS
x-served-by
cache-fra-eddf8230038-FRA
x-timer
S1720608703.025782,VS0,VE2

Redirect headers

Location
https://facebookmicrosites.github.io/
Non-Authoritative-Reason
HttpsUpgrades
Primary Request /
engineering.fb.com/
Redirect Chain
  • https://code.facebook.com/
  • https://code.fb.com/
  • https://engineering.fb.com/
72 KB
15 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
192.0.66.236 San Francisco, United States, ASN2635 (AUTOMATTIC, US),
Reverse DNS
Software
nginx / WordPress VIP <https://wpvip.com>
Resource Hash
ee5f271d2878921c387f7ae98c2a636fa37def83286cc819caf879c8a20c0116
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;includeSubdomains;preload

Request headers

Referer
https://facebookmicrosites.github.io/
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

accept-ranges
bytes
cache-control
max-age=300, must-revalidate
content-encoding
br
content-type
text/html; charset=UTF-8
date
Wed, 10 Jul 2024 10:51:43 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, accept, content-type
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
ams8 111 253 443

Redirect headers

content-type
text/html; charset=utf-8
date
Wed, 10 Jul 2024 10:51:43 GMT
location
https://engineering.fb.com/
server
nginx
strict-transport-security
max-age=31536000;includeSubdomains;preload
x-cache
HIT
x-rq
ams5 111 254 443
favicon.ico
facebookmicrosites.github.io/ 		1 KB
702 B 		Other
General
Check archive.org
Download Go to
Full URL
https://facebookmicrosites.github.io/favicon.ico
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
185.199.108.153 , United States, ASN54113 (FASTLY, US),
Reverse DNS
cdn-185-199-108-153.github.com
Software
GitHub.com /
Resource Hash
Security Headers
Name Value
Strict-Transport-Security max-age=31557600

Request headers

Referer
https://facebookmicrosites.github.io/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

x-fastly-request-id
ffe7c41ee394ba9825d6f8b0e4f263ec1a3fe71a
strict-transport-security
max-age=31557600
content-encoding
gzip
via
1.1 varnish
date
Wed, 10 Jul 2024 10:51:43 GMT
age
17
x-cache
HIT
x-cache-hits
1
content-length
559
x-served-by
cache-fra-eddf8230038-FRA
server
GitHub.com
x-github-request-id
26B4:3A15E6:FD2EB1:1036082:668E67AE
x-timer
S1720608703.104895,VS0,VE2
etag
W/"5a7c83e9-46e"
vary
Accept-Encoding
content-type
text/html; charset=utf-8
access-control-allow-origin
*
permissions-policy
interest-cohort=()
accept-ranges
bytes
x-proxy-cache
MISS
optimize.js
www.googleoptimize.com/ 		178 KB
65 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
142.250.185.142 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
fra16s50-in-f14.1e100.net
Software
Google Tag Manager /
Resource Hash
511d1cb46319e8719376ffb58ca4a26a5979b5fd6ee1a8f98f720d1c93c793b9
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Xss-Protection 0

Request headers

Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Wed, 10 Jul 2024 10:51:44 GMT
content-encoding
br
strict-transport-security
max-age=31536000; includeSubDomains
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
65998
x-xss-protection
0
last-modified
Wed, 10 Jul 2024 09:00:00 GMT
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
access-control-allow-headers
Cache-Control
expires
Wed, 10 Jul 2024 10:51:44 GMT
style.min.css
engineering.fb.com/wp-includes/css/dist/block-library/ 		111 KB
15 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://engineering.fb.com/wp-includes/css/dist/block-library/style.min.css?m=1720117134g
Requested by
Host: engineering.fb.com
URL: https://engineering.fb.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
192.0.66.236 San Francisco, United States, ASN2635 (AUTOMATTIC, US),
Reverse DNS
Software
nginx /
Resource Hash
98cecf88a23542fa047ce46eedb650b5c5128761ed4386c0977b847094ddfa20
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;includeSubdomains;preload

Request headers

Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Wed, 10 Jul 2024 10:51:44 GMT
content-encoding
br
strict-transport-security
max-age=31536000;includeSubdomains;preload
last-modified
Thu, 04 Jul 2024 18:18:54 GMT
server
nginx
x-rq
ams8 111 254 443
etag
W/"6686e78e-1bae5"
vary
Accept-Encoding
x-cache
HIT
content-type
text/css
cache-control
max-age=31536000
accept-ranges
bytes
/
engineering.fb.com/_static/ 		15 KB
4 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://engineering.fb.com/_static/??-eJzTLy/QzcxLzilNSS3WzyrWz01NyUxMzUnNTc0rQeEU5CRWphbp5qSmJyZX6uVm5uklFxfr6OPTDpRD5sM02efaGpobGRgamhsamwIARHcu1w==
Requested by
Host: engineering.fb.com
URL: https://engineering.fb.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
192.0.66.236 San Francisco, United States, ASN2635 (AUTOMATTIC, US),
Reverse DNS
Software
nginx /
Resource Hash
3d2c10cf69410c10177fc6e56937d05151b182841fa6aee36f651d587d91fbb8
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;includeSubdomains;preload

Request headers

Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Wed, 10 Jul 2024 10:51:44 GMT
content-encoding
br
strict-transport-security
max-age=31536000;includeSubdomains;preload
last-modified
Thu, 04 Jul 2024 18:18:55 GMT
server
nginx
x-rq
ams8 111 253 443
vary
Accept-Encoding
x-cache
HIT
content-type
text/css;charset=utf-8
cache-control
max-age=31536000
accept-ranges
bytes
related-posts-block-styles.min.css
engineering.fb.com/wp-content/mu-plugins/search/elasticpress/dist/css/ 		222 B
457 B 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://engineering.fb.com/wp-content/mu-plugins/search/elasticpress/dist/css/related-posts-block-styles.min.css?m=1720540669g
Requested by
Host: engineering.fb.com
URL: https://engineering.fb.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
192.0.66.236 San Francisco, United States, ASN2635 (AUTOMATTIC, US),
Reverse DNS
Software
nginx /
Resource Hash
9790593b4acafa770479511a888914881594976c5dcad980c82e781c5625ff44
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;includeSubdomains;preload

Request headers

Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Wed, 10 Jul 2024 10:51:44 GMT
strict-transport-security
max-age=31536000;includeSubdomains;preload
x-rq
ams8 111 253 443
last-modified
Tue, 09 Jul 2024 15:57:49 GMT
server
nginx
etag
"668d5dfd-de"
x-cache
HIT
content-type
text/css
cache-control
max-age=31536000
accept-ranges
bytes
content-length
222
/
engineering.fb.com/_static/ 		568 KB
77 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://engineering.fb.com/_static/??-eJxlzdEOgjAMheEXsutQ0XhhfBbtKkzpWGiJr++GmJh4++X8OfjKQGMyToZ5mLuYFAt1IU/VtXqIalhlBUeqG/wJrWdhRRoDw/1WWD5N2SH1cQiwLJzE9NfKDN/fB1u+0hOanWuXdoXaXOTcHLe+3fvDyb8BJJZBUg==
Requested by
Host: engineering.fb.com
URL: https://engineering.fb.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
192.0.66.236 San Francisco, United States, ASN2635 (AUTOMATTIC, US),
Reverse DNS
Software
nginx /
Resource Hash
90539730dbf7168664f45022dbff5aeee7c03706ac939144fcd738fe45474acf
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;includeSubdomains;preload

Request headers

Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Wed, 10 Jul 2024 10:51:44 GMT
content-encoding
br
strict-transport-security
max-age=31536000;includeSubdomains;preload
last-modified
Tue, 09 Jul 2024 15:58:10 GMT
server
nginx
x-rq
ams8 111 254 443
vary
Accept-Encoding
x-cache
HIT
content-type
text/css;charset=utf-8
cache-control
max-age=31536000
accept-ranges
bytes
gdprconsent.js
engineering.fb.com/wp-content/plugins/wp-gdpr-consent/dist/ 		7 KB
3 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://engineering.fb.com/wp-content/plugins/wp-gdpr-consent/dist/gdprconsent.js?ver=2.0.0
Requested by
Host: engineering.fb.com
URL: https://engineering.fb.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
192.0.66.236 San Francisco, United States, ASN2635 (AUTOMATTIC, US),
Reverse DNS
Software
nginx /
Resource Hash
28d7cefcb8d905642b38655f85c9c3ff9ab995b8ccb9e4d4533ff0be0f4df530
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;includeSubdomains;preload

Request headers

Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Wed, 10 Jul 2024 10:51:44 GMT
content-encoding
br
strict-transport-security
max-age=31536000;includeSubdomains;preload
last-modified
Tue, 22 Aug 2023 12:44:53 GMT
server
nginx
x-rq
ams8 111 254 443
etag
W/"64e4adc5-1b00"
vary
Accept-Encoding
x-cache
HIT
content-type
application/javascript
cache-control
max-age=31536000
accept-ranges
bytes
/
engineering.fb.com/_static/ 		118 KB
41 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://engineering.fb.com/_static/??-eJx9y0EKgCAQheELlWYRrqKzRA6l5DSNI9HtM2jRKnjwNt+vT6o9zlt2kHQoOzLw9Z6KHlVIlf5DdfQLTwJfPO8ogKJlhViSjA44CU/01LQTAb98jIOxbWOMNV0fbvenM/g=
Requested by
Host: engineering.fb.com
URL: https://engineering.fb.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
192.0.66.236 San Francisco, United States, ASN2635 (AUTOMATTIC, US),
Reverse DNS
Software
nginx /
Resource Hash
3bd47bed84470b3207347025097bc09de1d98f29b1de9e7f7539819f55a2f307
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;includeSubdomains;preload

Request headers

Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Wed, 10 Jul 2024 10:51:44 GMT
content-encoding
br
strict-transport-security
max-age=31536000;includeSubdomains;preload
last-modified
Thu, 04 Jul 2024 18:18:55 GMT
server
nginx
x-rq
ams8 111 254 443
vary
Accept-Encoding
x-cache
HIT
content-type
application/javascript
cache-control
max-age=31536000
accept-ranges
bytes
2e99e464-5311-4ff2-8684-6fe7967a4817
https://engineering.fb.com/ 		1 KB
0 		Other
General
Check archive.org
Download Go to
Full URL
blob:https://engineering.fb.com/2e99e464-5311-4ff2-8684-6fe7967a4817
Requested by
Host: engineering.fb.com
URL: https://engineering.fb.com/
Protocol
BLOB
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
5b9f9afe7621ec465573f58064f5bef3a229e5e19362351168fd211f6a28bb5c

Request headers

Referer
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

Content-Length
1185
Content-Type
text/javascript
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
192.0.66.236 San Francisco, United States, 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
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Wed, 10 Jul 2024 10:51:44 GMT
strict-transport-security
max-age=31536000;includeSubdomains;preload
x-rq
ams8 111 253 443
last-modified
Tue, 22 Aug 2023 12:44:53 GMT
server
nginx
etag
"64e4adc5-8aa0"
x-cache
HIT
content-type
application/font-woff2
access-control-allow-origin
*
access-control-allow-methods
GET, HEAD
cache-control
max-age=300, must-revalidate
accept-ranges
bytes
content-length
35488
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
192.0.66.236 San Francisco, United States, 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
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Wed, 10 Jul 2024 10:51:44 GMT
strict-transport-security
max-age=31536000;includeSubdomains;preload
x-rq
ams8 111 253 443
last-modified
Tue, 22 Aug 2023 12:44:53 GMT
server
nginx
etag
"64e4adc5-89a4"
x-cache
HIT
content-type
application/font-woff2
access-control-allow-origin
*
access-control-allow-methods
GET, HEAD
cache-control
max-age=300, must-revalidate
accept-ranges
bytes
content-length
35236
Optimistic_Display_W_Md.woff2
engineering.fb.com/wp-content/themes/code-fb-com/fonts/ 		12 KB
12 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://engineering.fb.com/wp-content/themes/code-fb-com/fonts/Optimistic_Display_W_Md.woff2
Requested by
Host: engineering.fb.com
URL: https://engineering.fb.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
192.0.66.236 San Francisco, United States, ASN2635 (AUTOMATTIC, US),
Reverse DNS
Software
nginx /
Resource Hash
969789ee1556ccb2f83047a196af6e552ad40a39f1505d86b576c7453eba216c
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;includeSubdomains;preload

Request headers

Referer
https://engineering.fb.com/
Origin
https://engineering.fb.com
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Wed, 10 Jul 2024 10:51:44 GMT
strict-transport-security
max-age=31536000;includeSubdomains;preload
x-rq
ams8 111 254 443
last-modified
Tue, 22 Aug 2023 12:44:53 GMT
server
nginx
etag
"64e4adc5-3048"
x-cache
HIT
content-type
application/font-woff2
access-control-allow-origin
*
access-control-allow-methods
GET, HEAD
cache-control
max-age=300, must-revalidate
accept-ranges
bytes
content-length
12360
Meta-Tech-Podcast_-C-Rust.png
engineering.fb.com/wp-content/uploads/2024/06/ 		175 KB
175 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://engineering.fb.com/wp-content/uploads/2024/06/Meta-Tech-Podcast_-C-Rust.png
Requested by
Host: engineering.fb.com
URL: https://engineering.fb.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
192.0.66.236 San Francisco, United States, ASN2635 (AUTOMATTIC, US),
Reverse DNS
Software
nginx /
Resource Hash
33bbd6cfe56b5a6f18900740b635d51efaa5f3125a791fda4e896c7c08ea2ca0
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;includeSubdomains;preload

Request headers

Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Wed, 10 Jul 2024 10:51:44 GMT
strict-transport-security
max-age=31536000;includeSubdomains;preload
x-rq
ams8 109 30 443
last-modified
Tue, 25 Jun 2024 16:20:02 GMT
server
nginx
etag
"d986bedf96a33cc3"
vary
Accept
x-cache
HIT
content-type
image/webp
cache-control
max-age=31536000
accept-ranges
bytes, bytes
content-length
179218
Eng-Blog-Self-Serve-Hero-Images-DEBUGGING-203-Blue.jpg
engineering.fb.com/wp-content/uploads/2022/04/ 		32 KB
32 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://engineering.fb.com/wp-content/uploads/2022/04/Eng-Blog-Self-Serve-Hero-Images-DEBUGGING-203-Blue.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
192.0.66.236 San Francisco, United States, ASN2635 (AUTOMATTIC, US),
Reverse DNS
Software
nginx /
Resource Hash
1c4e94ae73c9352e46d5c06236bc957f1ff2996d352e311a724f25b1a0d98613
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;includeSubdomains;preload

Request headers

Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Wed, 10 Jul 2024 10:51:44 GMT
strict-transport-security
max-age=31536000;includeSubdomains;preload
x-rq
ams8 109 32 443
last-modified
Tue, 02 Jul 2024 09:32:26 GMT
server
nginx
etag
"10ec852415dc1d29"
vary
Accept
x-cache
HIT
content-type
image/webp
cache-control
max-age=31536000
accept-ranges
bytes, bytes
content-length
32608
Eng-Blog-Self-Serve-Hero-Images-DEBUGGING-201-Teale.jpg
engineering.fb.com/wp-content/uploads/2023/10/ 		50 KB
51 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://engineering.fb.com/wp-content/uploads/2023/10/Eng-Blog-Self-Serve-Hero-Images-DEBUGGING-201-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
Server
192.0.66.236 San Francisco, United States, ASN2635 (AUTOMATTIC, US),
Reverse DNS
Software
nginx /
Resource Hash
84d5eb03ec2575c1e73db48fc7337771be5a1b83234a7b2d3479b9f4c2d56472
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;includeSubdomains;preload

Request headers

Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Wed, 10 Jul 2024 10:51:44 GMT
strict-transport-security
max-age=31536000;includeSubdomains;preload
x-rq
ams8 109 83 443
last-modified
Tue, 24 Oct 2023 16:45:18 GMT
server
nginx
etag
"daf2fcff434bcf54"
vary
Accept
x-cache
HIT
content-type
image/webp
cache-control
max-age=31536000
accept-ranges
bytes, bytes
content-length
51658
meta_logo_full.svg
engineering.fb.com/wp-content/themes/code-fb-com/img/ 		14 KB
9 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_full.svg
Requested by
Host: engineering.fb.com
URL: https://engineering.fb.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
192.0.66.236 San Francisco, United States, ASN2635 (AUTOMATTIC, US),
Reverse DNS
Software
nginx /
Resource Hash
8940d7ecc943da6891bda1c87e0d479b9d791d78ac479d4210163afaa4ef2391
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;includeSubdomains;preload

Request headers

Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Wed, 10 Jul 2024 10:51:44 GMT
content-encoding
br
strict-transport-security
max-age=31536000;includeSubdomains;preload
last-modified
Tue, 22 Aug 2023 12:44:53 GMT
server
nginx
x-rq
ams8 111 253 443
etag
W/"64e4adc5-36a6"
vary
Accept-Encoding
x-cache
HIT
content-type
image/svg+xml
cache-control
max-age=300, must-revalidate
accept-ranges
bytes
/
engineering.fb.com/_static/ 		214 KB
68 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://engineering.fb.com/_static/??/wp-content/themes/code-fb-com/dist/js/child-theme.min.js,/wp-content/themes/code-fb-com/js/prism.js?m=1692708293j
Requested by
Host: engineering.fb.com
URL: https://engineering.fb.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
192.0.66.236 San Francisco, United States, ASN2635 (AUTOMATTIC, US),
Reverse DNS
Software
nginx /
Resource Hash
df3734687bcbcfdcb8b08d8e95782df22ddc75508ba0fd4a2b6a5d83f0355793
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;includeSubdomains;preload

Request headers

Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Wed, 10 Jul 2024 10:51:44 GMT
content-encoding
br
strict-transport-security
max-age=31536000;includeSubdomains;preload
last-modified
Tue, 22 Aug 2023 12:44:53 GMT
server
nginx
x-rq
ams8 111 253 443
vary
Accept-Encoding
x-cache
HIT
content-type
application/javascript
cache-control
max-age=31536000
accept-ranges
bytes
icon-search.svg
engineering.fb.com/wp-content/themes/code-fb-com/img/ 		406 B
653 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://engineering.fb.com/wp-content/themes/code-fb-com/img/icon-search.svg
Requested by
Host: engineering.fb.com
URL: https://engineering.fb.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
192.0.66.236 San Francisco, United States, ASN2635 (AUTOMATTIC, US),
Reverse DNS
Software
nginx /
Resource Hash
fdcf14075570ba85f44376ba9abbe3ecfa4b0f252ff1474dc796c4c67a466cec
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;includeSubdomains;preload

Request headers

Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Wed, 10 Jul 2024 10:51:44 GMT
strict-transport-security
max-age=31536000;includeSubdomains;preload
x-rq
ams8 111 253 443
last-modified
Tue, 22 Aug 2023 12:44:53 GMT
server
nginx
etag
"64e4adc5-196"
x-cache
HIT
content-type
image/svg+xml
cache-control
max-age=300, must-revalidate
accept-ranges
bytes
content-length
406
logo-meta.svg
engineering.fb.com/wp-content/themes/code-fb-com/img/ 		8 KB
3 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://engineering.fb.com/wp-content/themes/code-fb-com/img/logo-meta.svg
Requested by
Host: engineering.fb.com
URL: https://engineering.fb.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
192.0.66.236 San Francisco, United States, ASN2635 (AUTOMATTIC, US),
Reverse DNS
Software
nginx /
Resource Hash
bf7464b77326a2e577433ce4ca8d0d52c257c17393848b758c4a76cccda18ec3
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;includeSubdomains;preload

Request headers

Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Wed, 10 Jul 2024 10:51:44 GMT
content-encoding
br
strict-transport-security
max-age=31536000;includeSubdomains;preload
last-modified
Tue, 22 Aug 2023 12:44:53 GMT
server
nginx
x-rq
ams8 111 254 443
etag
W/"64e4adc5-21b3"
vary
Accept-Encoding
x-cache
HIT
content-type
image/svg+xml
cache-control
max-age=300, must-revalidate
accept-ranges
bytes
MLow-Hero-1.png
engineering.fb.com/wp-content/uploads/2024/06/ 		94 KB
95 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://engineering.fb.com/wp-content/uploads/2024/06/MLow-Hero-1.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
192.0.66.236 San Francisco, United States, ASN2635 (AUTOMATTIC, US),
Reverse DNS
Software
nginx /
Resource Hash
2a56b936c1adda8adb0440631eede84928389f55cc99477a3c767e0c235455b0
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;includeSubdomains;preload

Request headers

Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Wed, 10 Jul 2024 10:51:44 GMT
strict-transport-security
max-age=31536000;includeSubdomains;preload
x-rq
ams8 109 86 443
last-modified
Thu, 13 Jun 2024 15:09:05 GMT
server
nginx
etag
"6c108500d8cfaf0a"
vary
Accept
x-cache
HIT
content-type
image/webp
cache-control
max-age=31536000
accept-ranges
bytes, bytes
content-length
96582
Training-LLMs-at-Scale-Hero.png
engineering.fb.com/wp-content/uploads/2024/06/ 		23 KB
23 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://engineering.fb.com/wp-content/uploads/2024/06/Training-LLMs-at-Scale-Hero.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
192.0.66.236 San Francisco, United States, ASN2635 (AUTOMATTIC, US),
Reverse DNS
Software
nginx /
Resource Hash
a80d7f0e963fb14b6e13292ae60b076728a803396a2477914ce75831abc676b9
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;includeSubdomains;preload

Request headers

Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Wed, 10 Jul 2024 10:51:44 GMT
strict-transport-security
max-age=31536000;includeSubdomains;preload
x-rq
ams8 109 27 443
last-modified
Thu, 13 Jun 2024 06:21:32 GMT
server
nginx
etag
"c53521ff1012a704"
vary
Accept
x-cache
HIT
content-type
image/webp
cache-control
max-age=31536000
accept-ranges
bytes, bytes
content-length
23650
Eng-Blog-Self-Serve-Hero-Images-DATACENTERS-502-Navy.jpg
engineering.fb.com/wp-content/uploads/2022/09/ 		60 KB
60 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://engineering.fb.com/wp-content/uploads/2022/09/Eng-Blog-Self-Serve-Hero-Images-DATACENTERS-502-Navy.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
192.0.66.236 San Francisco, United States, ASN2635 (AUTOMATTIC, US),
Reverse DNS
Software
nginx /
Resource Hash
fb5dd97d390c9ce3c51ec198a84cc508b7f90367a448a78dc2cc90ae0e03336b
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;includeSubdomains;preload

Request headers

Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Wed, 10 Jul 2024 10:51:44 GMT
strict-transport-security
max-age=31536000;includeSubdomains;preload
x-rq
ams8 109 142 443
last-modified
Tue, 02 Jul 2024 10:53:11 GMT
server
nginx
etag
"a76dc5ed4ae6189e"
vary
Accept
x-cache
HIT
content-type
image/webp
cache-control
max-age=31536000
accept-ranges
bytes, bytes
content-length
61418
Meta-MR-devices-hero.png
engineering.fb.com/wp-content/uploads/2024/06/ 		141 KB
141 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://engineering.fb.com/wp-content/uploads/2024/06/Meta-MR-devices-hero.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
192.0.66.236 San Francisco, United States, ASN2635 (AUTOMATTIC, US),
Reverse DNS
Software
nginx /
Resource Hash
4636f6ff186569535ecafc31261e0440bfd35711ee8bfd4b56f3d26f52cf5f5c
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;includeSubdomains;preload

Request headers

Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Wed, 10 Jul 2024 10:51:44 GMT
strict-transport-security
max-age=31536000;includeSubdomains;preload
x-rq
ams8 109 92 443
last-modified
Tue, 11 Jun 2024 16:40:15 GMT
server
nginx
etag
"fbe2e9f9e89f5381"
vary
Accept
x-cache
HIT
content-type
image/webp
cache-control
max-age=31536000
accept-ranges
bytes, bytes
content-length
144284
Serverless-Jupyter-Notesbooks-Hero.png
engineering.fb.com/wp-content/uploads/2024/06/ 		182 KB
182 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://engineering.fb.com/wp-content/uploads/2024/06/Serverless-Jupyter-Notesbooks-Hero.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
192.0.66.236 San Francisco, United States, ASN2635 (AUTOMATTIC, US),
Reverse DNS
Software
nginx /
Resource Hash
bc92a80dc46c362dc44f21f20ba32514ccbc6589a7d64f2189af486faf75fafd
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;includeSubdomains;preload

Request headers

Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Wed, 10 Jul 2024 10:51:44 GMT
strict-transport-security
max-age=31536000;includeSubdomains;preload
x-rq
ams8 109 84 443
last-modified
Tue, 11 Jun 2024 22:27:45 GMT
server
nginx
etag
"4760f4d28916c07b"
vary
Accept
x-cache
HIT
content-type
image/webp
cache-control
max-age=31536000
accept-ranges
bytes, bytes
content-length
186302
Composable-Data-Management-at-Meta-1.png
engineering.fb.com/wp-content/uploads/2024/05/ 		23 KB
23 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://engineering.fb.com/wp-content/uploads/2024/05/Composable-Data-Management-at-Meta-1.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
192.0.66.236 San Francisco, United States, ASN2635 (AUTOMATTIC, US),
Reverse DNS
Software
nginx /
Resource Hash
7167c830ed29008d83820d15c09712ac4fdc4f2b9736bb747d0b3e8d1a721968
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;includeSubdomains;preload

Request headers

Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Wed, 10 Jul 2024 10:51:44 GMT
strict-transport-security
max-age=31536000;includeSubdomains;preload
x-rq
ams8 109 150 443
last-modified
Wed, 22 May 2024 18:11:08 GMT
server
nginx
etag
"5429f050a509c402"
vary
Accept
x-cache
HIT
content-type
image/webp
cache-control
max-age=31536000
accept-ranges
bytes, bytes
content-length
23760
Eng-Blog-Self-Serve-Hero-Images-PRIVACY-103-Orange.jpg
engineering.fb.com/wp-content/uploads/2024/05/ 		26 KB
27 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://engineering.fb.com/wp-content/uploads/2024/05/Eng-Blog-Self-Serve-Hero-Images-PRIVACY-103-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
Server
192.0.66.236 San Francisco, United States, ASN2635 (AUTOMATTIC, US),
Reverse DNS
Software
nginx /
Resource Hash
781a39248b94518a6d2fa2c840757aa36f5c68634d8490215a3c3b338c07fbf4
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;includeSubdomains;preload

Request headers

Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Wed, 10 Jul 2024 10:51:44 GMT
strict-transport-security
max-age=31536000;includeSubdomains;preload
x-rq
ams8 109 150 443
last-modified
Wed, 22 May 2024 17:32:55 GMT
server
nginx
etag
"ccf8190673a77e7f"
vary
Accept
x-cache
HIT
content-type
image/webp
cache-control
max-age=31536000
accept-ranges
bytes, bytes
content-length
26910
Meta-Tech-Podcast-Threads-for-Web.png
engineering.fb.com/wp-content/uploads/2024/05/ 		70 KB
71 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://engineering.fb.com/wp-content/uploads/2024/05/Meta-Tech-Podcast-Threads-for-Web.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
192.0.66.236 San Francisco, United States, ASN2635 (AUTOMATTIC, US),
Reverse DNS
Software
nginx /
Resource Hash
ece20a1e92485e36b14f9d410b1aedec6eddc9a9e1e9a0aa8a14ef4f5ecb521f
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;includeSubdomains;preload

Request headers

Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Wed, 10 Jul 2024 10:51:44 GMT
strict-transport-security
max-age=31536000;includeSubdomains;preload
x-rq
ams8 109 27 443
last-modified
Tue, 14 May 2024 22:01:44 GMT
server
nginx
etag
"76487ca690578045"
vary
Accept
x-cache
HIT
content-type
image/webp
cache-control
max-age=31536000
accept-ranges
bytes, bytes
content-length
71910
435213050_700020278765420_3779565176929850987_n.png
engineering.fb.com/wp-content/uploads/2024/04/ 		163 KB
163 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://engineering.fb.com/wp-content/uploads/2024/04/435213050_700020278765420_3779565176929850987_n.png?w=545&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
192.0.66.236 San Francisco, United States, ASN2635 (AUTOMATTIC, US),
Reverse DNS
Software
nginx /
Resource Hash
7750033660a37a1f1495aad1c0c2768ad1de659413fe9e27db8b7044a2b91fb9
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;includeSubdomains;preload

Request headers

Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Wed, 10 Jul 2024 10:51:44 GMT
strict-transport-security
max-age=31536000;includeSubdomains;preload
x-rq
ams8 109 28 443
last-modified
Thu, 11 Apr 2024 17:13:07 GMT
server
nginx
etag
"cfccaa8dfdbbf746"
vary
Accept
x-cache
HIT
content-type
image/webp
cache-control
max-age=31536000
accept-ranges
bytes, bytes
content-length
166588
meta_logo.png
engineering.fb.com/wp-content/themes/code-fb-com/img/ 		14 KB
14 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
192.0.66.236 San Francisco, United States, ASN2635 (AUTOMATTIC, US),
Reverse DNS
Software
nginx /
Resource Hash
50e7e31d30ee2ce7b70c0fa524c2c270245a42fc1f6842a24d73b2d6e45d0e00
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;includeSubdomains;preload

Request headers

Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Wed, 10 Jul 2024 10:51:44 GMT
strict-transport-security
max-age=31536000;includeSubdomains;preload
x-rq
ams8 111 253 443
last-modified
Tue, 22 Aug 2023 12:44:53 GMT
server
nginx
etag
"64e4adc5-3791"
x-cache
HIT
content-type
image/png
cache-control
max-age=31536000
accept-ranges
bytes
content-length
14225
android.png
engineering.fb.com/wp-content/themes/code-fb-com/img/ 		2 KB
2 KB 		Image
General
Check archive.org
Download Go to Show image
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
192.0.66.236 San Francisco, United States, ASN2635 (AUTOMATTIC, US),
Reverse DNS
Software
nginx /
Resource Hash
d2bec5f5316d88ccd7002de34073446f76ca5d7f40d04a999bc743cc42345cdf
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;includeSubdomains;preload

Request headers

Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Wed, 10 Jul 2024 10:51:44 GMT
strict-transport-security
max-age=31536000;includeSubdomains;preload
x-rq
ams8 111 253 443
last-modified
Tue, 22 Aug 2023 12:44:53 GMT
server
nginx
etag
"64e4adc5-911"
x-cache
HIT
content-type
image/png
cache-control
max-age=31536000
accept-ranges
bytes
content-length
2321
ios.png
engineering.fb.com/wp-content/themes/code-fb-com/img/ 		1 KB
1 KB 		Image
General
Check archive.org
Download Go to Show image
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
192.0.66.236 San Francisco, United States, ASN2635 (AUTOMATTIC, US),
Reverse DNS
Software
nginx /
Resource Hash
a307103cb2b2b6949644369c9a229f412901c9c8546fd677459f14948a02a629
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;includeSubdomains;preload

Request headers

Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Wed, 10 Jul 2024 10:51:44 GMT
strict-transport-security
max-age=31536000;includeSubdomains;preload
x-rq
ams8 111 254 443
last-modified
Tue, 22 Aug 2023 12:44:53 GMT
server
nginx
etag
"64e4adc5-421"
x-cache
HIT
content-type
image/png
cache-control
max-age=31536000
accept-ranges
bytes
content-length
1057
web.png
engineering.fb.com/wp-content/themes/code-fb-com/img/ 		487 B
722 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://engineering.fb.com/wp-content/themes/code-fb-com/img/web.png
Requested by
Host: engineering.fb.com
URL: https://engineering.fb.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
192.0.66.236 San Francisco, United States, ASN2635 (AUTOMATTIC, US),
Reverse DNS
Software
nginx /
Resource Hash
580605d3ce0000bcf1f48a04b908a7d6d4a6bd8bb37b988d85768dea93ab02ac
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;includeSubdomains;preload

Request headers

Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Wed, 10 Jul 2024 10:51:44 GMT
strict-transport-security
max-age=31536000;includeSubdomains;preload
x-rq
ams8 111 254 443
last-modified
Tue, 22 Aug 2023 12:44:53 GMT
server
nginx
etag
"64e4adc5-1e7"
x-cache
HIT
content-type
image/png
cache-control
max-age=31536000
accept-ranges
bytes
content-length
487
backend.png
engineering.fb.com/wp-content/themes/code-fb-com/img/ 		2 KB
2 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://engineering.fb.com/wp-content/themes/code-fb-com/img/backend.png
Requested by
Host: engineering.fb.com
URL: https://engineering.fb.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
192.0.66.236 San Francisco, United States, ASN2635 (AUTOMATTIC, US),
Reverse DNS
Software
nginx /
Resource Hash
19284533915784ca8dab4f71230450f0a71789ea2efc70c3e750cf2dca542bb2
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;includeSubdomains;preload

Request headers

Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Wed, 10 Jul 2024 10:51:44 GMT
strict-transport-security
max-age=31536000;includeSubdomains;preload
x-rq
ams8 111 254 443
last-modified
Tue, 22 Aug 2023 12:44:53 GMT
server
nginx
etag
"64e4adc5-899"
x-cache
HIT
content-type
image/png
cache-control
max-age=31536000
accept-ranges
bytes
content-length
2201
sdk.js
connect.facebook.net/en_US/ 		3 KB
4 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://connect.facebook.net/en_US/sdk.js
Requested by
Host: engineering.fb.com
URL: https://engineering.fb.com/_static/??/wp-content/themes/code-fb-com/dist/js/child-theme.min.js,/wp-content/themes/code-fb-com/js/prism.js?m=1692708293j
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
157.240.252.13 Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US),
Reverse DNS
xx-fbcdn-shv-01-fra3.fbcdn.net
Software
/
Resource Hash
5526fc4691328afebd830d47d780d8ecf2b4c2286a228b234eb097e2cea82d99
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; preload; includeSubDomains
X-Content-Type-Options nosniff
X-Frame-Options DENY

Request headers

Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

strict-transport-security
max-age=31536000; preload; includeSubDomains
content-encoding
gzip
x-content-type-options
nosniff
date
Wed, 10 Jul 2024 10:51:44 GMT
content-md5
LgelH+GRMrJlC6OKBuxxxg==
document-policy
force-load-at-top
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
content-length
1686
reporting-endpoints
coop_report="https://www.facebook.com/browser_reporting/coop/?minimize=0", coep_report="https://www.facebook.com/browser_reporting/coep/?minimize=0", permissions_policy="https://www.facebook.com/ajax/browser_error_reports/"
x-fb-connection-quality
EXCELLENT; q=0.9, rtt=34, rtx=0, c=12, mss=1317, tbw=2777, tp=-1, tpl=-1, uplat=0, ullat=-1
x-fb-debug
eNOym/ZpWPWtX11NspeOMz0UwvXwJ1WypIic/ReJTwSwiTCRxfuA72FlFcmCwB/HTNkoZaF3OOFh+A5sO//43A==
cross-origin-embedder-policy-report-only
require-corp;report-to="coep_report"
x-fb-content-md5
b49df64273adefac729ed5b4387ad620
cross-origin-opener-policy
same-origin-allow-popups;report-to="coop_report"
etag
"f7dc4ada5c78b2de0ce0940b9e5db01d"
vary
Accept-Encoding
report-to
{"max_age":2592000,"endpoints":[{"url":"https:\/\/www.facebook.com\/browser_reporting\/coop\/?minimize=0"}],"group":"coop_report","include_subdomains":true}, {"max_age":86400,"endpoints":[{"url":"https:\/\/www.facebook.com\/browser_reporting\/coep\/?minimize=0"}],"group":"coep_report"}, {"max_age":21600,"endpoints":[{"url":"https:\/\/www.facebook.com\/ajax\/browser_error_reports\/"}],"group":"permissions_policy"}
content-type
application/x-javascript; charset=utf-8
access-control-allow-origin
*
origin-agent-cluster
?0
access-control-expose-headers
X-FB-Content-MD5
cache-control
public,max-age=1200,stale-while-revalidate=3600
permissions-policy
accelerometer=(), attribution-reporting=(), autoplay=(), battery=(self), bluetooth=(), camera=(), ch-device-memory=(), ch-downlink=(), ch-dpr=(), ch-ect=(), ch-rtt=(), ch-save-data=(), ch-ua-arch=(), ch-ua-bitness=(), ch-viewport-height=(), ch-viewport-width=(), ch-width=(), clipboard-read=(), clipboard-write=(), compute-pressure=(), display-capture=(), encrypted-media=(), fullscreen=(self), gamepad=(), geolocation=(), gyroscope=(), hid=(), idle-detection=(), interest-cohort=(), keyboard-map=(), local-fonts=(), magnetometer=(), microphone=(), midi=(), otp-credentials=(), payment=(), picture-in-picture=(), private-state-token-issuance=(), publickey-credentials-get=(), screen-wake-lock=(), serial=(), shared-storage=(), shared-storage-select-url=(), private-state-token-redemption=(), usb=(), usb-unrestricted=(), unload=(self), window-management=(), xr-spatial-tracking=();report-to="permissions_policy"
x-frame-options
DENY
timing-allow-origin
*
expires
Wed, 10 Jul 2024 11:06:49 GMT
wp-emoji-release.min.js
engineering.fb.com/wp-includes/js/ 		18 KB
5 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://engineering.fb.com/wp-includes/js/wp-emoji-release.min.js?ver=6.5.5
Requested by
Host: engineering.fb.com
URL: https://engineering.fb.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
192.0.66.236 San Francisco, United States, ASN2635 (AUTOMATTIC, US),
Reverse DNS
Software
nginx /
Resource Hash
4e6ce5444c7f396cef0eb1fa3611034151e485dd06fbe5573a5583e1eebc98c3
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;includeSubdomains;preload

Request headers

Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Wed, 10 Jul 2024 10:51:44 GMT
content-encoding
br
strict-transport-security
max-age=31536000;includeSubdomains;preload
last-modified
Mon, 24 Jun 2024 17:16:34 GMT
server
nginx
x-rq
ams8 111 254 443
etag
W/"6679a9f2-4926"
vary
Accept-Encoding
x-cache
HIT
content-type
application/javascript
cache-control
max-age=31536000
accept-ranges
bytes
sdk.js
connect.facebook.net/en_US/ 		299 KB
86 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://connect.facebook.net/en_US/sdk.js?hash=f997cd06d59d52bc9dce63afc0f3b118
Requested by
Host: connect.facebook.net
URL: https://connect.facebook.net/en_US/sdk.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
157.240.252.13 Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US),
Reverse DNS
xx-fbcdn-shv-01-fra3.fbcdn.net
Software
/
Resource Hash
db9424613f0d0865ede5edd6f3cebe8586cea64c6465ae12b3d43235f315f33d
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; preload; includeSubDomains
X-Content-Type-Options nosniff
X-Frame-Options DENY

Request headers

Referer
https://engineering.fb.com/
Origin
https://engineering.fb.com
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

strict-transport-security
max-age=31536000; preload; includeSubDomains
content-encoding
gzip
x-content-type-options
nosniff
date
Wed, 10 Jul 2024 10:51:44 GMT
content-md5
y2ApUAHCGJzvkrG8dsmiAg==
document-policy
force-load-at-top
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
content-length
87598
reporting-endpoints
coop_report="https://www.facebook.com/browser_reporting/coop/?minimize=0", coep_report="https://www.facebook.com/browser_reporting/coep/?minimize=0", permissions_policy="https://www.facebook.com/ajax/browser_error_reports/"
x-fb-connection-quality
EXCELLENT; q=0.9, rtt=35, rtx=0, c=23, mss=1232, tbw=4290, tp=9, tpl=0, uplat=1, ullat=-1
x-fb-debug
KYCUQm58QbqKB0NlajNmRmulm0F3i9xv3LUARDwv8UF0fmg/VyQBx3Ug7u/em+xa84d1hpDPaAvWuafCu3jeug==
cross-origin-embedder-policy-report-only
require-corp;report-to="coep_report"
x-fb-content-md5
9032f66f027b2c2195881aa67c74cd38
cross-origin-opener-policy
same-origin-allow-popups;report-to="coop_report"
etag
"c7eb832c331a8c7ea4ac1d5f15118b64"
vary
Accept-Encoding
report-to
{"max_age":2592000,"endpoints":[{"url":"https:\/\/www.facebook.com\/browser_reporting\/coop\/?minimize=0"}],"group":"coop_report","include_subdomains":true}, {"max_age":86400,"endpoints":[{"url":"https:\/\/www.facebook.com\/browser_reporting\/coep\/?minimize=0"}],"group":"coep_report"}, {"max_age":21600,"endpoints":[{"url":"https:\/\/www.facebook.com\/ajax\/browser_error_reports\/"}],"group":"permissions_policy"}
content-type
application/x-javascript; charset=utf-8
access-control-allow-origin
*
origin-agent-cluster
?0
access-control-expose-headers
X-FB-Content-MD5
cache-control
public,max-age=31536000,stale-while-revalidate=3600,immutable
permissions-policy
accelerometer=(), attribution-reporting=(), autoplay=(), battery=(self), bluetooth=(), camera=(), ch-device-memory=(), ch-downlink=(), ch-dpr=(), ch-ect=(), ch-rtt=(), ch-save-data=(), ch-ua-arch=(), ch-ua-bitness=(), ch-viewport-height=(), ch-viewport-width=(), ch-width=(), clipboard-read=(), clipboard-write=(), compute-pressure=(), display-capture=(), encrypted-media=(), fullscreen=(self), gamepad=(), geolocation=(), gyroscope=(), hid=(), idle-detection=(), interest-cohort=(), keyboard-map=(), local-fonts=(), magnetometer=(), microphone=(), midi=(), otp-credentials=(), payment=(), picture-in-picture=(), private-state-token-issuance=(), publickey-credentials-get=(), screen-wake-lock=(), serial=(), shared-storage=(), shared-storage-select-url=(), private-state-token-redemption=(), usb=(), usb-unrestricted=(), unload=(self), window-management=(), xr-spatial-tracking=();report-to="permissions_policy"
x-frame-options
DENY
timing-allow-origin
*
priority
u=3,i
expires
Thu, 10 Jul 2025 10:13:45 GMT
favicon.ico
engineering.fb.com/wp-content/themes/code-fb-com/ 		5 KB
2 KB 		Other
General
Check archive.org
Download Go to
Full URL
https://engineering.fb.com/wp-content/themes/code-fb-com/favicon.ico
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
192.0.66.236 San Francisco, United States, ASN2635 (AUTOMATTIC, US),
Reverse DNS
Software
nginx /
Resource Hash
b96d739c3a8ac4ef0b34212c8a2b7f23dcb7b039e0dd14ef170d8e9232972bf7
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;includeSubdomains;preload

Request headers

Referer
https://engineering.fb.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Wed, 10 Jul 2024 10:51:44 GMT
content-encoding
br
strict-transport-security
max-age=31536000;includeSubdomains;preload
last-modified
Tue, 22 Aug 2023 12:44:53 GMT
server
nginx
x-rq
ams8 111 254 443
etag
W/"64e4adc5-15b6"
vary
Accept-Encoding
x-cache
HIT
content-type
image/x-icon
cache-control
max-age=31536000
accept-ranges
bytes

Verdicts & Comments Add Verdict or Comment

50 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| _wpemojiSettings object| _domassistevents function| gdprSafeTrack function| jQuery function| Popper 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| twemoji object| wp object| google_tag_manager object| google_tag_data object| dataLayer object| FB object| __buffer

0 Cookies

1 Console Messages

Source Level URL
Text
network error URL: https://facebookmicrosites.github.io/favicon.ico
Message:
Failed to load resource: the server responded with a status of 404 ()

Security Headers

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

Header Value
Strict-Transport-Security max-age=31557600

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.

code.facebook.com
code.fb.com
connect.facebook.net
engineering.fb.com
facebookmicrosites.github.io
www.googleoptimize.com
142.250.185.142
157.240.252.10
157.240.252.13
185.199.108.153
192.0.66.236
192.0.66.29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