HTTP Headers Analysis for https://flipside.huffpost.com

Detected Technologies from Headers

See all in URL Inspect 4

Nginx

Report URI

Varnish

Express

HTTP Security Headers

Status

Strict-Transport-Security

Present

max-age=31536000

Content-Security-Policy

Weak

sandbox; frame-ancestors; report-uri Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Missing

Not configured

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Good

no-referrer-when-downgrade

Permissions-Policy

Missing

Not configured

Recommendations

• Increase HSTS max-age to at least 1 year and add includeSubDomains
• Significantly strengthen CSP directives
• Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
• 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

349

Cache-Control

Caching

no-store, no-cache, must-revalidate

Expires

Caching

0

age: 349
cache-control: no-store, no-cache, must-revalidate
expires: 0

Content Headers

Content-Length

Content

1007164

Content-Type

Content

text/html; charset=utf-8

content-length: 1007164
content-type: text/html; charset=utf-8

Server Headers

Server

nginx

X-Powered-By

Server

Express

server: nginx
x-powered-by: Express

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: bf-geo-country=US; expires=Sun, 29 Mar 2026 16:15:11 GMT; path=/; domain=www.huffpost.com;
bf-geo-region=IL; expires=Sun, 29 Mar 2026 16:15:11 GMT; path=/;  domain=www.huffpost.com;
ccpa=true; expires=Sat, 11 Apr 2026 16:15:11 GMT; path=/; domain=www.huffpost.com;

Other Headers

Date

Other

Sat, 28 Mar 2026 16:15:11 GMT

Document-Policy

Other

js-profiling

Timing-Allow-Origin

Other

*

Via

Other

1.1 varnish, 1.1 varnish

X-Cache

Other

MISS, HIT, MISS

X-Cache-Hits

Other

0, 37, 0

X-Hp-Page-Version

Other

339116

X-Hp-Webp

Other

false

X-Request-Id

Other

a8c75fd9339fbf8e9f70e6e810ffca57

X-Served-By

Other

cache-iad-kiad7000156-IAD, cache-iad-kiad7000176-IAD, cache-ewr-kewr1740074-EWR

X-Timer

Other

S1774714511.356838,VS0,VE13

X-Varnish-Cambria-Ttl

Other

5s

date: Sat, 28 Mar 2026 16:15:11 GMT
document-policy: js-profiling
timing-allow-origin: *
via: 1.1 varnish, 1.1 varnish
x-cache: MISS, HIT, MISS
x-cache-hits: 0, 37, 0
x-hp-page-version: 339116
x-hp-webp: false
x-request-id: a8c75fd9339fbf8e9f70e6e810ffca57
x-served-by: cache-iad-kiad7000156-IAD, cache-iad-kiad7000176-IAD, cache-ewr-kewr1740074-EWR
x-timer: S1774714511.356838,VS0,VE13
x-varnish-cambria-ttl: 5s

Recommendations

Enable compression (gzip/brotli) to improve performance

Consider removing X-Powered-By header to hide server technology