HTTP Headers Analysis for https://du.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, Cookie, Cookie

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

Caching Headers

Age

Caching

189

Cache-Control

Caching

max-age=1800, public

Etag

Caching

W/"1786653549"

Expires

Caching

Sun, 19 Nov 1978 05:00:00 GMT

Last-Modified

Caching

Thu, 13 Aug 2026 20:39:09 GMT

age: 189
cache-control: max-age=1800, public
etag: W/"1786653549"
expires: Sun, 19 Nov 1978 05:00:00 GMT
last-modified: Thu, 13 Aug 2026 20:39:09 GMT

Content Headers

Content-Language

Content

en

Content-Length

Content

142779

Content-Type

Content

text/html; charset=UTF-8

content-language: en
content-length: 142779
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

Thu, 13 Aug 2026 21:30:30 GMT

Via

Other

1.1 varnish, 1.1 varnish, 1.1 varnish, 1.1 varnish

X-Cache

Other

HIT, MISS, MISS, MISS

X-Cache-Hits

Other

3, 0, 0, 0

X-Drupal-Cache

Other

HIT

X-Drupal-Dynamic-Cache

Other

MISS

X-Generator

Other

Drupal 9 (https://www.drupal.org)

X-Pantheon-Styx-Hostname

Other

styx-us-a-7ffbcf568d-gmb78

X-Served-By

Other

cache-chi-kigq8000109-CHI, cache-nyc-kteb1890083-NYC, cache-nyc-kteb1890084-NYC, cache-nyc-kteb1890084-NYC

X-Styx-Req-Id

Other

c4c5b674-975d-11f1-b16b-2a7b3fe81f65

X-Timer

Other

S1786656630.485033,VS0,VE42

X-Ua-Compatible

Other

IE=edge

date: Thu, 13 Aug 2026 21:30:30 GMT
via: 1.1 varnish, 1.1 varnish, 1.1 varnish, 1.1 varnish
x-cache: HIT, MISS, MISS, MISS
x-cache-hits: 3, 0, 0, 0
x-drupal-cache: HIT
x-drupal-dynamic-cache: MISS
x-generator: Drupal 9 (https://www.drupal.org)
x-pantheon-styx-hostname: styx-us-a-7ffbcf568d-gmb78
x-served-by: cache-chi-kigq8000109-CHI, cache-nyc-kteb1890083-NYC, cache-nyc-kteb1890084-NYC, cache-nyc-kteb1890084-NYC
x-styx-req-id: c4c5b674-975d-11f1-b16b-2a7b3fe81f65
x-timer: S1786656630.485033,VS0,VE42
x-ua-compatible: IE=edge

Recommendations

Enable compression (gzip/brotli) to improve performance