HTTP Headers Analysis for https://clojure.org

Analyzed on November 02, 2025 at 19:11 UTC

URL: https://clojure.org | Status: 200

15 Headers
Total Found

HTTP Security Headers

Status
Strict-Transport-Security
Missing
Not configured
Content-Security-Policy
Missing
Not configured
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 Strict-Transport-Security header with max-age of at least 1 year
  • 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

2 headers
Accept-Ranges
Performance
bytes
Connection
Performance
keep-alive

Caching Headers

3 headers
Age
Caching
7294
Etag
Caching
"539accd311676ed51146863f9bdd5f32"
Last-Modified
Caching
Wed, 22 Oct 2025 20:01:31 GMT

Content Headers

2 headers
Content-Length
Content
21409
Content-Type
Content
text/html

Server Headers

1 headers
Server
Server
AmazonS3

CORS Headers

0 headers
No CORS headers found

Cookies Headers

0 headers
No cookies headers found

Other Headers

7 headers
Alt-Svc
Other
h3=":443"; ma=86400
Date
Other
Sun, 02 Nov 2025 17:19:09 GMT
Via
Other
1.1 00de01ace0877cfbdcb5e351c5b887f8.cloudfront.net (CloudFront)
X-Amz-Cf-Id
Other
T3aMlptBQgwnKlUYM8Vz5Csz8F9NETDTxDlTnXkB6Lu7qL1lfgy8vg==
X-Amz-Cf-Pop
Other
IAD61-P9
X-Amz-Server-Side-Encryption
Other
AES256
X-Cache
Other
Hit from cloudfront

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching

Analysis completed in 0ms