HTTP Headers Analysis for https://nim-lang.org
Analyzed on November 02, 2025 at 19:11 UTC
URL: https://nim-lang.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
3 headers
Connection
Performance
keep-alive
Transfer-Encoding
Performance
chunked
Vary
Performance
accept-encoding
Caching Headers
3 headers
Cache-Control
Caching
no-cache
Expires
Caching
Sun, 02 Nov 2025 19:11:26 GMT
Last-Modified
Caching
Fri, 31 Oct 2025 11:38:42 GMT
Content Headers
1 headers
Content-Type
Content
text/html
Server Headers
1 headers
Server
Server
cloudflare
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
Cf-Cache-Status
Other
DYNAMIC
Cf-Ray
Other
9985f0118dc820d1-IAD
Date
Other
Sun, 02 Nov 2025 19:11:27 GMT
Nel
Other
{"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Report-To
Other
{"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=abEmil3DzruvS8iwffAY7pERKWVDFotdAfyGML%2FRn4jj5upJ8t7m8bClxNVn3WKAzLnSs4hvAkm1W2MXfsqwPEsMmxA7ryN%2BX0D98g%3D%3D"}]}
Server-Timing
Other
cfEdge;dur=107,cfOrigin;dur=1
Recommendations
Enable compression (gzip/brotli) to improve performance
Analysis completed in 0ms