HTTP Headers Analysis for https://lightbend.github.io

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

close

Vary

Performance

Accept-Encoding

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

Caching Headers

Age

Caching

0

Cache-Control

Caching

max-age=600

Etag

Caching

"61f9401d-be7"

Expires

Caching

Tue, 21 Jul 2026 16:51:00 GMT

Last-Modified

Caching

Tue, 01 Feb 2022 14:13:49 GMT

age: 0
cache-control: max-age=600
etag: "61f9401d-be7"
expires: Tue, 21 Jul 2026 16:51:00 GMT
last-modified: Tue, 01 Feb 2022 14:13:49 GMT

Content Headers

Content-Length

Content

3047

Content-Type

Content

text/html; charset=utf-8

content-length: 3047
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, 21 Jul 2026 16:41:00 GMT

Via

Other

1.1 varnish

X-Cache

Other

MISS

X-Cache-Hits

Other

0

X-Fastly-Request-Id

Other

62515ccb7b1cb48f174a2c4c1882955efc5ae2fe

X-Github-Request-Id

Other

E164:374D37:34D44C9:38EEB2C:6A5FA11C

X-Origin-Cache

Other

HIT

X-Proxy-Cache

Other

MISS

X-Served-By

Other

cache-nyc-kteb1890097-NYC

X-Timer

Other

S1784652061.921854,VS0,VE24

date: Tue, 21 Jul 2026 16:41:00 GMT
via: 1.1 varnish
x-cache: MISS
x-cache-hits: 0
x-fastly-request-id: 62515ccb7b1cb48f174a2c4c1882955efc5ae2fe
x-github-request-id: E164:374D37:34D44C9:38EEB2C:6A5FA11C
x-origin-cache: HIT
x-proxy-cache: MISS
x-served-by: cache-nyc-kteb1890097-NYC
x-timer: S1784652061.921854,VS0,VE24

Recommendations

Enable compression (gzip/brotli) to improve performance