HTTP Headers Analysis for https://sciimmo.fr

HTTP Security Headers

Status

Strict-Transport-Security

Good

max-age=31536000; includeSubDomains

Content-Security-Policy

Missing

Not configured Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Excellent

DENY

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Good

strict-origin-when-cross-origin

Permissions-Policy

Present

camera=(), microphone=(), geolocation=()

Recommendations

• Consider adding 'preload' to HSTS for maximum security
• Add Content-Security-Policy header to prevent XSS attacks

Performance Headers

Accept-Ranges

Performance

bytes

Connection

Performance

close

Vary

Performance

x-fh-requested-host, accept-encoding

accept-ranges: bytes
connection: close
vary: x-fh-requested-host, accept-encoding

Caching Headers

Cache-Control

Caching

max-age=3600

Etag

Caching

"53e743f3d289cd6519851fb588e60931aac6aaaeb96ff49f19fcb571ad87e59f"

Last-Modified

Caching

Wed, 01 Apr 2026 08:32:44 GMT

cache-control: max-age=3600
etag: "53e743f3d289cd6519851fb588e60931aac6aaaeb96ff49f19fcb571ad87e59f"
last-modified: Wed, 01 Apr 2026 08:32:44 GMT

Content Headers

Content-Length

Content

1217584

Content-Type

Content

text/html; charset=utf-8

content-length: 1217584
content-type: text/html; charset=utf-8

Server Headers

No server headers found

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Alt-Svc

Other

h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400

Date

Other

Sat, 11 Apr 2026 09:13:55 GMT

X-Cache

Other

MISS

X-Cache-Hits

Other

0

X-Served-By

Other

cache-ewr-kewr1740022-EWR

X-Timer

Other

S1775898835.477497,VS0,VE124

alt-svc: h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
date: Sat, 11 Apr 2026 09:13:55 GMT
x-cache: MISS
x-cache-hits: 0
x-served-by: cache-ewr-kewr1740022-EWR
x-timer: S1775898835.477497,VS0,VE124

Recommendations

Enable compression (gzip/brotli) to improve performance