Cached · just now
26 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=15552000; preload; includeSubDomains
Content-Security-Policy
Basic
default-src; script-src; style-src; +9 more
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • Improve CSP by adding more specific directives and removing 'unsafe-inline'
  • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
  • Consider adding Permissions-Policy to control browser features

Performance Headers

3 headers
Connection
Performance
close
Transfer-Encoding
Performance
chunked
Vary
Performance
Accept-Encoding

Caching Headers

3 headers
Cache-Control
Caching
private, no-cache, no-store, must-revalidate
Expires
Caching
Sat, 01 Jan 2000 00:00:00 GMT
Pragma
Caching
no-cache

Content Headers

1 headers
Content-Type
Content
application/xhtml+xml; charset=utf-8

Server Headers

0 headers
No server headers found

CORS Headers

0 headers
No CORS headers found

Cookies Headers

1 headers
Set-Cookie
Cookies
datr=2NtnaXUALudAHZ8e4ZuFisk7; expires=Thu, 18-Feb-2027 18:09:28 GMT; Max-Age=34560000; path=/; domain=.facebook.com; secure; httponly

Other Headers

12 headers
Accept-Ch
Other
viewport-width,dpr,Sec-CH-Prefers-Color-Scheme,Sec-CH-UA-Full-Version-List,Sec-CH-UA-Platform-Version,Sec-CH-UA-Model
Accept-Ch-Lifetime
Other
4838400
Alt-Svc
Other
h3=":443"; ma=86400
Date
Other
Wed, 14 Jan 2026 18:09:28 GMT
Debug-Link
Other
https://www.meta.com/debug/?mid=ee38478ee76bf87e8ac9c166bf3b5cda
Document-Policy
Other
include-js-call-stacks-in-crash-reports
Error-Mid
Other
ee38478ee76bf87e8ac9c166bf3b5cda
Origin-Agent-Cluster
Other
?1
Report-To
Other
{"max_age":2592000,"endpoints":[{"url":"https:\/\/www.facebook.com\/browser_reporting\/coop\/?minimize=0"}],"group":"coop_report","include_subdomains":true}, {"max_age":259200,"endpoints":[{"url":"https:\/\/m.facebook.com\/ajax\/mtouch_error_reports\/?device_level=unknown&brsid=7595281017883728490&cpp=C3&cv=1031992593&st=1768414168487"}]}
Reporting-Endpoints
Other
coop_report="https://www.facebook.com/browser_reporting/coop/?minimize=0", default="https://m.facebook.com/ajax/mtouch_error_reports/?device_level=unknown&brsid=7595281017883728490&cpp=C3&cv=1031992593&st=1768414168487"
X-Fb-Connection-Quality
Other
EXCELLENT; q=0.9, rtt=21, rtx=0, c=10, mss=1368, tbw=3283, tp=-1, tpl=-1, uplat=146, ullat=0
X-Fb-Debug
Other
L8cfs0QVG6Pv6jML8hvFsburIQcSS5vMCr6NHrAGCU3KqYrnCZh2Xtb/k+YHsAnaLoG8h3Kge7JVNrXl/wtp2A==

Recommendations

Enable compression (gzip/brotli) to improve performance