32 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Excellent
max-age=31536000; includeSubDomains; preload
Content-Security-Policy
Basic
default-src; connect-src; manifest-src; +11 more Analyze
Content-Security-Policy-Report-Only
Missing
Not configured Analyze
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
no-referrer-when-downgrade
Permissions-Policy
Missing
Not configured
Recommendations
  • Improve CSP by adding more specific directives and removing 'unsafe-inline'
  • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
  • Consider adding Permissions-Policy to control browser features

Performance Headers

Accept-Ranges
Performance
bytes
Connection
Performance
close
Vary
Performance
Accept-Encoding

Caching Headers

Age
Caching
40850
Cache-Control
Caching
public, max-age=0, s-maxage=604800, must-revalidate
Etag
Caching
"f7a6b0b211ceb49ff979eb00d4cd142b"
Expires
Caching
Thu, 26 Feb 2026 09:26:57 GMT
Last-Modified
Caching
Thu, 19 Feb 2026 09:14:06 GMT

Content Headers

Content-Length
Content
9502
Content-Type
Content
text/html

Server Headers

Server
Server
cloudflare
X-Powered-By
Server
GitBook

CORS Headers

Access-Control-Allow-Origin
Cors
*

Cookies Headers

No cookies headers found

Other Headers

Alt-Svc
Other
h3=":443"; ma=86400
Cf-Cache-Status
Other
HIT
Cf-Ray
Other
9d08b4f9cb8cd6a4-IAD
Date
Other
Thu, 19 Feb 2026 21:02:44 GMT
Via
Other
magic cache
X-Cache
Other
HIT
X-Goog-Generation
Other
1771492446100931
X-Goog-Hash
Other
crc32c=xVBJ0Q==, md5=96awshHOtJ/5eesA1M0UKw==
X-Goog-Metageneration
Other
1
X-Goog-Storage-Class
Other
STANDARD
X-Goog-Stored-Content-Encoding
Other
identity
X-Goog-Stored-Content-Length
Other
9502
X-Guploader-Uploadid
Other
AGQBYWxPXiVii9bwV4NB4a6AVuiW23j9DxHUsKQ5JeRE0fObp_CvEe_4PjHpLgd7ARslxag70g4LYUU
X-Magic-Hash
Other
d97e60ca6b771ce7826f4012e910b8af7b8db56468f217aed47f3173f7c77ccc
X-Release
Other
gitbook-x-prod-10.9.1573-3b26f6e-2217542

Recommendations

Enable compression (gzip/brotli) to improve performance

Consider removing X-Powered-By header to hide server technology