HTTP Headers Analysis for https://forum.backdropcms.org

Detected Technologies from Headers

See all in URL Inspect 3

Backdrop CMS

Nginx

Varnish

HTTP Security Headers

Status

Strict-Transport-Security

Present

max-age=300

Content-Security-Policy

Missing

Not configured Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Good

SAMEORIGIN

X-Content-Type-Options

Missing

Not configured

Referrer-Policy

Missing

Not configured

Permissions-Policy

Missing

Not configured

Recommendations

• Increase HSTS max-age to at least 1 year and add includeSubDomains
• Add Content-Security-Policy header to prevent XSS attacks
• 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, Cookie, Accept-Encoding

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

Caching Headers

Age

Caching

0

Cache-Control

Caching

public, max-age=300

Etag

Caching

"1777762486"

Expires

Caching

Fri, 16 Jan 2015 07:50:00 GMT

Last-Modified

Caching

Sat, 02 May 2026 22:54:46 +0000

age: 0
cache-control: public, max-age=300
etag: "1777762486"
expires: Fri, 16 Jan 2015 07:50:00 GMT
last-modified: Sat, 02 May 2026 22:54:46 +0000

Content Headers

Content-Language

Content

en

Content-Length

Content

32746

Content-Type

Content

text/html; charset=utf-8

content-language: en
content-length: 32746
content-type: text/html; charset=utf-8

Server Headers

Server

nginx/1.18.0

server: nginx/1.18.0

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Date

Other

Sat, 02 May 2026 22:58:36 GMT

Via

Other

1.1 varnish

X-Backdrop-Cache

Other

HIT

X-Cache

Other

MISS, MISS

X-Cache-Hits

Other

0, 0

X-Generator

Other

Backdrop CMS 1 (https://backdropcms.org)

X-Nginx-Cache

Other

MISS

X-Served-By

Other

cache-iad-kcgs7200029-IAD, cache-iad-kiad7000171-IAD

X-Timer

Other

S1777762716.430646,VS0,VE79

date: Sat, 02 May 2026 22:58:36 GMT
via: 1.1 varnish
x-backdrop-cache: HIT
x-cache: MISS, MISS
x-cache-hits: 0, 0
x-generator: Backdrop CMS 1 (https://backdropcms.org)
x-nginx-cache: MISS
x-served-by: cache-iad-kcgs7200029-IAD, cache-iad-kiad7000171-IAD
x-timer: S1777762716.430646,VS0,VE79

Recommendations

Enable compression (gzip/brotli) to improve performance