HTTP Headers Analysis for https://joda.org

SSL Verification Bypassed

The server's SSL certificate could not be verified. The analysis was completed using insecure mode. Data may be less reliable.

Reason:

Hostname Mismatch - certificate is issued for *.github.com, github.com, not for joda.org

Open Cached · just now

21 Headers

Detected Technologies from Headers

See all in URL Inspect 3

Fastly

GitHub

Varnish

HTTP Security Headers

Status

Strict-Transport-Security

Missing

Not configured

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 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

Accept-Ranges

Performance

bytes

Connection

Performance

Vary

Performance

Accept-Encoding

accept-ranges: bytes
connection: close
vary: Accept-Encoding

Caching Headers

Age

Caching

Cache-Control

Caching

max-age=600

Etag

Caching

"69f128e8-f2c"

Expires

Caching

Tue, 26 May 2026 23:50:23 GMT

Last-Modified

Caching

Tue, 28 Apr 2026 21:38:48 GMT

age: 0
cache-control: max-age=600
etag: "69f128e8-f2c"
expires: Tue, 26 May 2026 23:50:23 GMT
last-modified: Tue, 28 Apr 2026 21:38:48 GMT

Content Headers

Content-Length

Content

3884

Content-Type

Content

text/html; charset=utf-8

content-length: 3884
content-type: text/html; charset=utf-8

Server Headers

Server

GitHub.com

server: GitHub.com

CORS Headers

Access-Control-Allow-Origin

Cors

access-control-allow-origin: *

Cookies Headers

No cookies headers found

Other Headers

Date

Other

Tue, 26 May 2026 23:40:23 GMT

Via

Other

1.1 varnish

X-Cache

Other

MISS

X-Cache-Hits

Other

X-Fastly-Request-Id

Other

df66925b36b51ebb7016097a343de6a55362fdd2

X-Github-Request-Id

Other

C7A4:1DBEB1:46A171:4DD869:6A162F66

X-Proxy-Cache

Other

MISS

X-Served-By

Other

cache-nyc-kteb1890083-NYC

X-Timer

Other

S1779838823.149270,VS0,VE27

date: Tue, 26 May 2026 23:40:23 GMT
via: 1.1 varnish
x-cache: MISS
x-cache-hits: 0
x-fastly-request-id: df66925b36b51ebb7016097a343de6a55362fdd2
x-github-request-id: C7A4:1DBEB1:46A171:4DD869:6A162F66
x-proxy-cache: MISS
x-served-by: cache-nyc-kteb1890083-NYC
x-timer: S1779838823.149270,VS0,VE27

Recommendations

Enable compression (gzip/brotli) to improve performance