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
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

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

Caching Headers

5 headers
Age
Caching
23586
Cache-Control
Caching
public, max-age=0, s-maxage=604800, must-revalidate
Etag
Caching
"f47a53aee2a56be8b94227c22bfca92c"
Expires
Caching
Sat, 17 Jan 2026 15:41:14 GMT
Last-Modified
Caching
Sat, 10 Jan 2026 15:28:46 GMT

Content Headers

2 headers
Content-Length
Content
9458
Content-Type
Content
text/html

Server Headers

2 headers
Server
Server
cloudflare
X-Powered-By
Server
GitBook

CORS Headers

1 headers
Access-Control-Allow-Origin
Cors
*

Cookies Headers

0 headers
No cookies headers found

Other Headers

15 headers
Alt-Svc
Other
h3=":443"; ma=86400
Cf-Cache-Status
Other
HIT
Cf-Ray
Other
9bbf86e0ee38d6c3-IAD
Date
Other
Sat, 10 Jan 2026 22:14:21 GMT
Via
Other
no cache
X-Cache
Other
MISS
X-Goog-Generation
Other
1768058926940667
X-Goog-Hash
Other
md5=9HpTruKla+i5QifCK/ypLA==
X-Goog-Metageneration
Other
1
X-Goog-Storage-Class
Other
STANDARD
X-Goog-Stored-Content-Encoding
Other
identity
X-Goog-Stored-Content-Length
Other
9458
X-Guploader-Uploadid
Other
AJRbA5VuDllMlZvXy23jzzY7gLU7iO31UWg2GjBqbN3uDitF1aCteuO-cPjW_bcrFPoqQ8cu
X-Magic-Hash
Other
2b6255643164bc44f6186fcecc8a4af9e80b8ee3aa3fffb1ed34dcfd7c8c166d
X-Release
Other
gitbook-x-prod-10.9.1517-3122f82-2088040

Recommendations

Enable compression (gzip/brotli) to improve performance

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