HTTP Headers Analysis for https://semgrep.dev

Detected Technologies from Headers

See all in URL Inspect 2

AWS CloudFront

Netlify

HTTP Security Headers

Status

Strict-Transport-Security

Excellent

max-age=31536000; includeSubDomains; preload

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

Missing

Not configured

Referrer-Policy

Missing

Not configured

Permissions-Policy

Missing

Not configured

Recommendations

• Add Content-Security-Policy header to prevent XSS attacks
• Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
• Add X-Content-Type-Options: nosniff
• Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
• Consider adding Permissions-Policy to control browser features

Performance Headers

Accept-Ranges

Performance

bytes

Connection

Performance

close

Vary

Performance

Origin

accept-ranges: bytes
connection: close
vary: Origin

Caching Headers

Age

Caching

1569

Cache-Control

Caching

public,max-age=0,must-revalidate

Etag

Caching

"9eeb50e6576aa8f6d5c84680ef1f450e-ssl"

age: 1569
cache-control: public,max-age=0,must-revalidate
etag: "9eeb50e6576aa8f6d5c84680ef1f450e-ssl"

Content Headers

Content-Length

Content

99936

Content-Type

Content

text/html; charset=UTF-8

content-length: 99936
content-type: text/html; charset=UTF-8

Server Headers

Server

Netlify

server: Netlify

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Cache-Status

Other

"Netlify Edge"; hit

Date

Other

Fri, 01 May 2026 14:52:49 GMT

Via

Other

1.1 de8c22342808c6d85bb5af74b959fb0a.cloudfront.net (CloudFront)

X-Amz-Cf-Id

Other

pj24MwfhINpQJ7JK4c9skm7IJ4RD7YoTQhgBgHe8BfSWQbXRnF1xig==

X-Amz-Cf-Pop

Other

IAD61-P13

X-Cache

Other

Miss from cloudfront

X-Nf-Request-Id

Other

01KQJ0EBSHGQYXT822P9SWWRKP

alt-svc: h3=":443"; ma=86400
cache-status: "Netlify Edge"; hit
date: Fri, 01 May 2026 14:52:49 GMT
via: 1.1 de8c22342808c6d85bb5af74b959fb0a.cloudfront.net (CloudFront)
x-amz-cf-id: pj24MwfhINpQJ7JK4c9skm7IJ4RD7YoTQhgBgHe8BfSWQbXRnF1xig==
x-amz-cf-pop: IAD61-P13
x-cache: Miss from cloudfront
x-nf-request-id: 01KQJ0EBSHGQYXT822P9SWWRKP

Recommendations

Enable compression (gzip/brotli) to improve performance