HTTP Headers Analysis for https://twiliolookup.com

Detected Technologies from Headers

See all in URL Inspect 1

AWS CloudFront

HTTP Security Headers

Status

Strict-Transport-Security

Present

max-age=31557600

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,x-aem-variant

accept-ranges: bytes
connection: close
vary: Accept-Encoding,x-aem-variant

Caching Headers

Age

Caching

0

Cache-Control

Caching

max-age=600,stale-while-revalidate=30,stale-if-error=7200

Etag

Caching

"a67de-657fc9c13ed70"

Expires

Caching

Sat, 01 Aug 2026 17:19:12 GMT

Last-Modified

Caching

Sat, 01 Aug 2026 13:52:02 GMT

age: 0
cache-control: max-age=600,stale-while-revalidate=30,stale-if-error=7200
etag: "a67de-657fc9c13ed70"
expires: Sat, 01 Aug 2026 17:19:12 GMT
last-modified: Sat, 01 Aug 2026 13:52:02 GMT

Content Headers

Content-Length

Content

681950

Content-Type

Content

text/html;charset=utf-8

content-length: 681950
content-type: text/html;charset=utf-8

Server Headers

No server headers found

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: affinity="d0662110a064169a"; Path=/; HttpOnly; secure

Other Headers

Date

Other

Sat, 01 Aug 2026 17:14:12 GMT

Via

Other

1.1 d334ff04d1eeafd1a1eff8d2e5fe0eb4.cloudfront.net (CloudFront)

X-Amz-Cf-Id

Other

eR_aHEVM-PQ7Es-WpYoA49jCwZ84jwW0iQimw5mcP65gYYh26caV4g==

X-Amz-Cf-Pop

Other

IAD55-P10

X-Cache

Other

Miss from cloudfront

X-Served-By

Other

cache-iad-khef600073-IAD

X-Timer

Other

S1785604452.417368,VS0,VS0,VE30

X-Vhost

Other

twilio-com

date: Sat, 01 Aug 2026 17:14:12 GMT
via: 1.1 d334ff04d1eeafd1a1eff8d2e5fe0eb4.cloudfront.net (CloudFront)
x-amz-cf-id: eR_aHEVM-PQ7Es-WpYoA49jCwZ84jwW0iQimw5mcP65gYYh26caV4g==
x-amz-cf-pop: IAD55-P10
x-cache: Miss from cloudfront
x-served-by: cache-iad-khef600073-IAD
x-timer: S1785604452.417368,VS0,VS0,VE30
x-vhost: twilio-com

Recommendations

Enable compression (gzip/brotli) to improve performance