HTTP Headers Analysis for https://docs.synapse.org

Detected Technologies from Headers

See all in URL Inspect 1

AWS CloudFront

HTTP Security Headers

Status

Strict-Transport-Security

Present

max-age=604800

Content-Security-Policy

Missing

Not configured Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Missing

Not configured

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Good

strict-origin-when-cross-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

Connection

Performance

close

connection: close

Caching Headers

Etag

Caching

"8f9f376a526358d8f07b7427e417b7c9"

etag: "8f9f376a526358d8f07b7427e417b7c9"

Content Headers

Content-Length

Content

14294

Content-Type

Content

text/html

content-length: 14294
content-type: text/html

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

Date

Other

Mon, 11 May 2026 05:12:13 GMT

Via

Other

1.1 5ceb9cec7debee0553fef552eba62cc4.cloudfront.net (CloudFront)

X-Amz-Cf-Id

Other

wJ6rM5eSokOfjbo0JhvnAyzI9EWe6-tDmBblR5f46XTExADlA-cmMg==

X-Amz-Cf-Pop

Other

IAD55-P10

X-Cache

Other

RefreshHit from cloudfront

alt-svc: h3=":443"; ma=86400
date: Mon, 11 May 2026 05:12:13 GMT
via: 1.1 5ceb9cec7debee0553fef552eba62cc4.cloudfront.net (CloudFront)
x-amz-cf-id: wJ6rM5eSokOfjbo0JhvnAyzI9EWe6-tDmBblR5f46XTExADlA-cmMg==
x-amz-cf-pop: IAD55-P10
x-cache: RefreshHit from cloudfront

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching