HTTP Headers Analysis for https://sibyra.online

HTTP Security Headers

Status

Strict-Transport-Security

Good

max-age=31536000; includeSubDomains

Content-Security-Policy

Strong

default-src; script-src; script-src-attr; +13 more Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Excellent

DENY

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Good

no-referrer

Permissions-Policy

Present

accelerometer=(), autoplay=(), camera=(); +6 more

Recommendations

• Consider adding 'preload' to HSTS for maximum security

Performance Headers

Accept-Ranges

Performance

bytes

Connection

Performance

close

Transfer-Encoding

Performance

chunked

Vary

Performance

x-fh-requested-host, accept-encoding

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

Caching Headers

Cache-Control

Caching

no-store

Etag

Caching

"88e1781e04c049624c930c9ff90df90f42b1a98bdeb07389de907e09c32a3cae"

Last-Modified

Caching

Sat, 08 Aug 2026 19:56:15 GMT

cache-control: no-store
etag: "88e1781e04c049624c930c9ff90df90f42b1a98bdeb07389de907e09c32a3cae"
last-modified: Sat, 08 Aug 2026 19:56:15 GMT

Content Headers

Content-Type

Content

text/html; charset=utf-8

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

Fri, 14 Aug 2026 04:41:00 GMT

X-Cache

Other

MISS

X-Cache-Hits

Other

0

X-Served-By

Other

cache-nyc-kteb1890079-NYC

X-Timer

Other

S1786682460.439981,VS0,VE153

alt-svc: h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
date: Fri, 14 Aug 2026 04:41:00 GMT
x-cache: MISS
x-cache-hits: 0
x-served-by: cache-nyc-kteb1890079-NYC
x-timer: S1786682460.439981,VS0,VE153

Recommendations

Enable compression (gzip/brotli) to improve performance