HTTP Headers Analysis for https://hf.co

Detected Technologies from Headers

See all in URL Inspect 1

AWS CloudFront

HTTP Security Headers

Status

Strict-Transport-Security

Present

max-age=31536000

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

Missing

Not configured

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-Content-Type-Options: nosniff
• Consider adding Permissions-Policy to control browser features

Performance Headers

Connection

Performance

close

connection: close

Caching Headers

Age

Caching

34

Etag

Caching

W/"2c6fa-YS7/Y3jRBnHS6fy3qoZlS98dekg"

age: 34
etag: W/"2c6fa-YS7/Y3jRBnHS6fy3qoZlS98dekg"

Content Headers

Content-Length

Content

182010

Content-Type

Content

text/html; charset=utf-8

content-length: 182010
content-type: text/html; charset=utf-8

Server Headers

X-Powered-By

Server

huggingface-moon

x-powered-by: huggingface-moon

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Date

Other

Thu, 27 Aug 2026 22:53:16 GMT

Link

Other

URL /.well-known/ai-catalog.json

rel=ai-catalog type=application/ai-catalog+json

URL /.well-known/api-catalog

rel=api-catalog

Ratelimit

Other

"pages";r=99;t=60

Ratelimit-Policy

Other

"fixed window";"pages";q=100;w=300

Via

Other

1.1 f96e72cfd61c675b75ea8547da63de24.cloudfront.net (CloudFront)

X-Amz-Cf-Id

Other

68JB4dD7WXe0m92LwURyajE26zgdAJkIK2NOQY6jIi6amPEvbEwa6A==

X-Amz-Cf-Pop

Other

IAD55-P8

X-Cache

Other

Hit from cloudfront

X-Request-Id

Other

Root=1-6a90bfdc-2fae7f8e6665086d1581d419

alt-svc: h3=":443"; ma=86400
date: Thu, 27 Aug 2026 22:53:16 GMT
link: </.well-known/ai-catalog.json>; rel="ai-catalog"; type="application/ai-catalog+json", </.well-known/api-catalog>; rel="api-catalog"
ratelimit: "pages";r=99;t=60
ratelimit-policy: "fixed window";"pages";q=100;w=300
via: 1.1 f96e72cfd61c675b75ea8547da63de24.cloudfront.net (CloudFront)
x-amz-cf-id: 68JB4dD7WXe0m92LwURyajE26zgdAJkIK2NOQY6jIi6amPEvbEwa6A==
x-amz-cf-pop: IAD55-P8
x-cache: Hit from cloudfront
x-request-id: Root=1-6a90bfdc-2fae7f8e6665086d1581d419

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching

Consider removing X-Powered-By header to hide server technology