HTTP Headers Analysis for https://fatools.web.app

HTTP Security Headers

Status

Strict-Transport-Security

Excellent

max-age=31556926; includeSubDomains; preload

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=(); +1 more

Recommendations

• 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

"24ed2549b2de21ae3ba507cb4bd1a6e0de5728465b2998b5b126ca828fbb118e"

Last-Modified

Caching

Sat, 18 Apr 2026 16:50:36 GMT

cache-control: max-age=3600
etag: "24ed2549b2de21ae3ba507cb4bd1a6e0de5728465b2998b5b126ca828fbb118e"
last-modified: Sat, 18 Apr 2026 16:50:36 GMT

Content Headers

Content-Length

Content

39144

Content-Type

Content

text/html; charset=utf-8

content-length: 39144
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

Wed, 06 May 2026 02:33:41 GMT

X-Cache

Other

MISS

X-Cache-Hits

Other

0

X-Served-By

Other

cache-bos-kbos510043-BOS

X-Timer

Other

S1778034821.749791,VS0,VE325

alt-svc: h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
date: Wed, 06 May 2026 02:33:41 GMT
x-cache: MISS
x-cache-hits: 0
x-served-by: cache-bos-kbos510043-BOS
x-timer: S1778034821.749791,VS0,VE325

Recommendations

Enable compression (gzip/brotli) to improve performance