HTTP Headers Analysis for https://colorado.edu

Detected Technologies from Headers

See all in URL Inspect 4

Drupal

Nginx

Pantheon

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

Good

nosniff

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 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, X-Consumer-ID, Cookie, Cookie

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

Caching Headers

Age

Caching

77597

Cache-Control

Caching

max-age=86400, public

Etag

Caching

W/"1774214991"

Expires

Caching

Sun, 19 Nov 1978 05:00:00 GMT

Last-Modified

Caching

Sun, 22 Mar 2026 21:29:51 GMT

age: 77597
cache-control: max-age=86400, public
etag: W/"1774214991"
expires: Sun, 19 Nov 1978 05:00:00 GMT
last-modified: Sun, 22 Mar 2026 21:29:51 GMT

Content Headers

Content-Language

Content

en

Content-Length

Content

87294

Content-Type

Content

text/html; charset=UTF-8

content-language: en
content-length: 87294
content-type: text/html; charset=UTF-8

Server Headers

Server

nginx

server: nginx

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Date

Other

Mon, 23 Mar 2026 19:03:08 GMT

Via

Other

1.1 varnish, 1.1 varnish, 1.1 varnish

X-Cache

Other

HIT, HIT, MISS

X-Cache-Hits

Other

11, 28, 0

X-Consumer-Id

Other

default_consumer

X-Generator

Other

Drupal 11 (https://www.drupal.org)

X-Pantheon-Styx-Hostname

Other

styx-us-b-69d75c5d8b-47pzp

X-Served-By

Other

cache-chi-kigq8000053-CHI, cache-iad-kcgs7200067-IAD, cache-iad-kcgs7200046-IAD

X-Styx-Req-Id

Other

42ac43ed-2636-11f1-8aa3-0ada4a498bdf

X-Timer

Other

S1774292588.383672,VS0,VE7

date: Mon, 23 Mar 2026 19:03:08 GMT
via: 1.1 varnish, 1.1 varnish, 1.1 varnish
x-cache: HIT, HIT, MISS
x-cache-hits: 11, 28, 0
x-consumer-id: default_consumer
x-generator: Drupal 11 (https://www.drupal.org)
x-pantheon-styx-hostname: styx-us-b-69d75c5d8b-47pzp
x-served-by: cache-chi-kigq8000053-CHI, cache-iad-kcgs7200067-IAD, cache-iad-kcgs7200046-IAD
x-styx-req-id: 42ac43ed-2636-11f1-8aa3-0ada4a498bdf
x-timer: S1774292588.383672,VS0,VE7

Recommendations

Enable compression (gzip/brotli) to improve performance