Open
Cached
·
7m ago
19
Headers
HTTP Security Headers
Status
Strict-Transport-Security
Excellent
max-age=106384710; includeSubDomains; preload
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Missing
Not configured
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
- • Add Content-Security-Policy header to prevent XSS attacks
- • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
- • Add X-Content-Type-Options: nosniff
- • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
- • Consider adding Permissions-Policy to control browser features
Performance Headers
1 headers
Accept-Ranges
Performance
bytes
Caching Headers
4 headers
Age
Caching
17688
Cache-Control
Caching
s-maxage=86400, must-revalidate, max-age=3600
Etag
Caching
W/"100be-6426794fdf540"
Last-Modified
Caching
Thu, 30 Oct 2025 22:15:09 GMT
Content Headers
2 headers
Content-Length
Content
65726
Content-Type
Content
text/html
Server Headers
1 headers
Server
Server
ATS/9.2.11
CORS Headers
0 headers
No CORS headers found
Cookies Headers
1 headers
Set-Cookie
Cookies
WMF-Uniq=z9gQ4uozYQi3hnFvT25QdQKjAAAAAFvd7_AXbi_bYqCiHheULKMmkywIMWT3hDus;Domain=.wikibooks.org;Path=/;HttpOnly;secure;SameSite=None;Expires=Fri, 06 Nov 2026 00:00:00 GMT
Other Headers
9 headers
Date
Other
Thu, 06 Nov 2025 10:25:44 GMT
Nel
Other
{ "report_to": "wm_nel", "max_age": 604800, "failure_fraction": 0.05, "success_fraction": 0.0}
Report-To
Other
{ "group": "wm_nel", "max_age": 604800, "endpoints": [{ "url": "https://intake-logging.wikimedia.org/v1/events?stream=w3c.reportingapi.network_error&schema_uri=/w3c/reportingapi/network_error/1.0.0" }] }
Server-Timing
Other
cache;desc="hit-front", host;desc="cp1112"
X-Analytics
Other
X-Cache
Other
cp1112 hit, cp1112 hit/23
X-Cache-Status
Other
hit-front
X-Client-Ip
Other
204.93.227.22
X-Request-Id
Other
63e3bf6f-6a01-4c1d-96c2-ec0f9e514d80
Recommendations
Enable compression (gzip/brotli) to improve performance
Analysis completed in 0ms