HTTP Security Headers

Status
Strict-Transport-Security
Missing
Not configured
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Missing
Not configured
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • Add Strict-Transport-Security header with max-age of at least 1 year
  • 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
Transfer-Encoding
Performance
chunked
Vary
Performance
Accept-Encoding

Caching Headers

0 headers
No caching headers found

Content Headers

1 headers
Content-Type
Content
text/html; charset=utf-8

Server Headers

1 headers
Server
Server
Apache

CORS Headers

0 headers
No CORS headers found

Cookies Headers

0 headers
No cookies headers found

Other Headers

14 headers
Alt-Svc
Other
h3=":443"; ma=10800, h3-29=":443"; ma=10800, quic=":443"; ma=10800
Date
Other
Sat, 08 Nov 2025 02:44:40 GMT
Timing-Allow-Origin
Other
*
Via
Other
1.1 slack-prod.tinyspeck.com, envoy-www-iad-mdbegted,envoy-edge-iad-kfkpqurh
X-Backend
Other
main_normal main_canary_with_overflow main_control_with_overflow
X-Edge-Backend
Other
envoy-www
X-Envoy-Attempt-Count
Other
1
X-Envoy-Upstream-Service-Time
Other
109
X-Geoname-Id
Other
notfound
X-Server
Other
slack-www-hhvm-main-iad-mqki
X-Slack-Backend
Other
r
X-Slack-Edge-Shared-Secret-Outcome
Other
no-match
X-Slack-Shared-Secret-Outcome
Other
no-match
X-Slack-Unique-Id
Other
aQ6umFWsBvC9VYAxnEF3WgAAADU

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching

Analysis completed in 343ms