DNS Gurus
Cached · just now
12 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=31536000
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Missing
Not configured
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • • Add Content-Security-Policy header to prevent XSS attacks
  • • 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

2 headers
Accept-Ranges
Performance
bytes
Connection
Performance
close

Caching Headers

1 headers
Last-Modified
Caching
Tue, 23 Dec 2025 15:07:48 GMT

Content Headers

2 headers
Content-Length
Content
94468
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

1 headers
Set-Cookie
Cookies
_xsrf=0fd99dc3-5664-d3dd-06a7-43f065285a7d; Path=/; Domain=bitly.com; Expires=Sun, 25 Jan 2026 12:51:51 GMT; Secure

Other Headers

3 headers
Alt-Svc
Other
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
Date
Other
Fri, 26 Dec 2025 12:51:51 GMT
Via
Other
1.1 google, 1.1 google

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching

Analysis completed in 233ms