HTTP Headers Analysis for https://dev.dat.com

Detected Technologies from Headers

See all in URL Inspect 3

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

Missing

Not configured

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-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, Cookie, Cookie

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

Caching Headers

Age

Caching

264413

Cache-Control

Caching

public, max-age=604800

age: 264413
cache-control: public, max-age=604800

Content Headers

Content-Length

Content

338256

Content-Type

Content

text/html; charset=UTF-8

content-length: 338256
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, 11 May 2026 10:15:40 GMT

Link

Other

URL https://dev.dat.com/

rel=shortlink

Via

Other

1.1 varnish, 1.1 varnish, 1.1 varnish, 1.1 varnish

X-Cache

Other

HIT, HIT, MISS, MISS

X-Cache-Hits

Other

14, 0, 0, 0

X-Pantheon-Styx-Hostname

Other

styx-us-a-5fbd9fdf97-zdcb9

X-Served-By

Other

cache-chi-kigq8000098-CHI, cache-bos-kbos510032-BOS, cache-bos-kbos510054-BOS, cache-bos-kbos510054-BOS

X-Styx-Req-Id

Other

b9ed4a79-4aba-11f1-ab09-6e790e5f8809

X-Timer

Other

S1778494541.528707,VS0,VE8

date: Mon, 11 May 2026 10:15:40 GMT
link: <https://dev.dat.com/>; rel=shortlink
via: 1.1 varnish, 1.1 varnish, 1.1 varnish, 1.1 varnish
x-cache: HIT, HIT, MISS, MISS
x-cache-hits: 14, 0, 0, 0
x-pantheon-styx-hostname: styx-us-a-5fbd9fdf97-zdcb9
x-served-by: cache-chi-kigq8000098-CHI, cache-bos-kbos510032-BOS, cache-bos-kbos510054-BOS, cache-bos-kbos510054-BOS
x-styx-req-id: b9ed4a79-4aba-11f1-ab09-6e790e5f8809
x-timer: S1778494541.528707,VS0,VE8

Recommendations

Enable compression (gzip/brotli) to improve performance