HTTP Headers Analysis for https://regex101.com
Analyzed on November 02, 2025 at 19:11 UTC
URL: https://regex101.com | Status: 200
15 Headers
Total Found
HTTP Security Headers
Status
Strict-Transport-Security
Missing
Not configured
Content-Security-Policy
Basic
default-src
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
no-referrer-when-downgrade
Permissions-Policy
Missing
Not configured
Recommendations
- • Add Strict-Transport-Security header with max-age of at least 1 year
- • Improve CSP by adding more specific directives and removing 'unsafe-inline'
- • Consider adding Permissions-Policy to control browser features
Performance Headers
2 headers
Connection
Performance
keep-alive
Vary
Performance
Accept-Encoding
Caching Headers
1 headers
Etag
Caching
W/"e673-U9B7TRPMU4JSz2GINbI5/TvSbEs"
Content Headers
2 headers
Content-Length
Content
58995
Content-Type
Content
text/html; charset=utf-8
Server Headers
1 headers
Server
Server
nginx
CORS Headers
0 headers
No CORS headers found
Cookies Headers
0 headers
No cookies headers found
Other Headers
2 headers
Date
Other
Sun, 02 Nov 2025 19:11:30 GMT
Service-Worker-Allowed
Other
/
Recommendations
Enable compression (gzip/brotli) to improve performance
Add Cache-Control header to optimize caching
Analysis completed in 0ms