HTTP Headers Analysis for https://www.twiml.us

Detected Technologies from Headers

See all in URL Inspect 3

AWS CloudFront

Envoy

Next.js

HTTP Security Headers

Status

Strict-Transport-Security

Missing

Not configured

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

• Add Strict-Transport-Security header with max-age of at least 1 year
• 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

Connection

Performance

close

Vary

Performance

Accept-Encoding

connection: close
vary: Accept-Encoding

Caching Headers

Age

Caching

16140

Cache-Control

Caching

public, s-maxage=86400, stale-while-revalidate=86400

Etag

Caching

"8zv3kn77gyccii"

age: 16140
cache-control: public, s-maxage=86400, stale-while-revalidate=86400
etag: "8zv3kn77gyccii"

Content Headers

Content-Length

Content

576307

Content-Type

Content

text/html; charset=utf-8

content-length: 576307
content-type: text/html; charset=utf-8

Server Headers

Server

istio-envoy

X-Powered-By

Server

Next.js

server: istio-envoy
x-powered-by: Next.js

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: x-otk-route=otk; Max-Age=1800; Path=/; Secure; HttpOnly; SameSite=Lax

Other Headers

Date

Other

Mon, 20 Jul 2026 21:41:35 GMT

Via

Other

1.1 2998d920822e5ea25e271f9a9d21f94e.cloudfront.net (CloudFront)

X-Amz-Cf-Id

Other

LCTdiIYyctQQfA9Npb1RuWJgyfD7dgJ4r3nKD-BIDWkWYquT09v_Ag==

X-Amz-Cf-Pop

Other

IAD55-P10

X-Cache

Other

Hit from cloudfront

X-Envoy-Decorator-Operation

Other

docs-site.docs-site.svc.cluster.local:3000/*

X-Envoy-Upstream-Service-Time

Other

10

X-Nextjs-Cache

Other

HIT

date: Mon, 20 Jul 2026 21:41:35 GMT
via: 1.1 2998d920822e5ea25e271f9a9d21f94e.cloudfront.net (CloudFront)
x-amz-cf-id: LCTdiIYyctQQfA9Npb1RuWJgyfD7dgJ4r3nKD-BIDWkWYquT09v_Ag==
x-amz-cf-pop: IAD55-P10
x-cache: Hit from cloudfront
x-envoy-decorator-operation: docs-site.docs-site.svc.cluster.local:3000/*
x-envoy-upstream-service-time: 10
x-nextjs-cache: HIT

Recommendations

Enable compression (gzip/brotli) to improve performance

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