HTTP Headers Analysis for https://ai21.com

Detected Technologies from Headers

See all in URL Inspect 1

Cloudflare CDN

HTTP Security Headers

Status

Strict-Transport-Security

Present

max-age=15552000; includeSubDomains

Content-Security-Policy

Weak

upgrade-insecure-requests Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Good

SAMEORIGIN

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Present

same-origin

Permissions-Policy

Present

geolocation=(), midi=(), sync-xhr=(); +5 more

Recommendations

• Increase HSTS max-age to at least 1 year and add includeSubDomains
• Significantly strengthen CSP directives

Performance Headers

Connection

Performance

close

Transfer-Encoding

Performance

chunked

Vary

Performance

Accept-Encoding, Accept-Encoding, Accept-Encoding, Accept-Encoding,Cookie

connection: close
transfer-encoding: chunked
vary: Accept-Encoding, Accept-Encoding, Accept-Encoding, Accept-Encoding,Cookie

Caching Headers

Cache-Control

Caching

max-age=600, must-revalidate

cache-control: max-age=600, must-revalidate

Content Headers

Content-Type

Content

text/html; charset=UTF-8

content-type: text/html; charset=UTF-8

Server Headers

Server

cloudflare

X-Powered-By

Server

server: cloudflare
x-powered-by:

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: __cf_bm=5XtJ_1Kz0mV_U3Ni8w98JvnO4n4IZC.diAb3ZyZUTOM-1777690207.7960956-1.0.1.1-as4yWPCpS3cYwSOpVxwtQYwC8SC8g4.4nKXA6W2MYMcrciMTAWB0MoGSnYdJm2jnJncNsXzdM6M3kS1N4pvujGZz7lkrBYTJB6_xCOlG9I2C1SWGx7UsLtdT3FTmZPG0; HttpOnly; Secure; Path=/; Domain=www.ai21.com; Expires=Sat, 02 May 2026 03:20:08 GMT

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Cf-Cache-Status

Other

DYNAMIC

Cf-Ray

Other

9f53b776a8c7e0e6-IAD

Date

Other

Sat, 02 May 2026 02:50:08 GMT

Link

Other

URL https://www.ai21.com/wp-json/

rel=https://api.w.org/

URL https://www.ai21.com/wp-json/wp/v2/pages/28903

rel=alternate title=JSON type=application/json

URL https://www.ai21.com/

rel=shortlink

X-Cache

Other

X-Cache-Group

Other

normal

X-Cacheable

Other

SHORT

alt-svc: h3=":443"; ma=86400
cf-cache-status: DYNAMIC
cf-ray: 9f53b776a8c7e0e6-IAD
date: Sat, 02 May 2026 02:50:08 GMT
link: <https://www.ai21.com/wp-json/>; rel="https://api.w.org/", <https://www.ai21.com/wp-json/wp/v2/pages/28903>; rel="alternate"; title="JSON"; type="application/json", <https://www.ai21.com/>; rel=shortlink
x-cache: HIT: 14
x-cache-group: normal
x-cacheable: SHORT

Recommendations

Enable compression (gzip/brotli) to improve performance

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