DNS Gurus
Cached · just now
17 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=31536000
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Present
origin
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-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
  • • Consider adding Permissions-Policy to control browser features

Performance Headers

3 headers
Connection
Performance
close
Transfer-Encoding
Performance
chunked
Vary
Performance
Accept-Encoding

Caching Headers

1 headers
Cache-Control
Caching
no-store

Content Headers

1 headers
Content-Type
Content
text/html

Server Headers

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

CORS Headers

0 headers
No CORS headers found

Cookies Headers

0 headers
No cookies headers found

Other Headers

7 headers
Alt-Svc
Other
h3=":443"; ma=86400
Cf-Cache-Status
Other
DYNAMIC
Cf-Ray
Other
9bf66d5c9eb405a7-IAD
Date
Other
Sat, 17 Jan 2026 14:08:53 GMT
X-Bubble-Capacity-Limit
Other
0 ms slower
X-Bubble-Capacity-Used
Other
0.156 unit-seconds used
X-Bubble-Perf
Other
{"total":151.9,"percents":{"top":{"bubble_cpu":44.4,"block":55.4,"capacity_rl":0,"other_pause":0,"pre_fiber":0.5},"sub":{"pp_userdb":0,"pp_wait_userdb":0,"http_request":0,"serverjson":23.8,"appserver_cache_misses_time":0,"redis":24.6,"fiber_queue":6.1,"capacity_wait":0}},"counts":{"pp_userdb":0,"http_request":0,"derived_build":0,"derived_cache_attempts":8,"derived_cache_memory_misses":8,"serverjson":55,"appserver_cache_attempts":1,"appserver_mem_cache_hits":0,"appserver_cache_hits":1,"appserver_cache_misses":0,"redis":42,"fiber_queue":116,"blocks":115},"misc":{"userdb_results":1,"userdb_data":1434,"spent_time":10123434}}

Recommendations

Enable compression (gzip/brotli) to improve performance

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