HTTP Headers Analysis for https://www.apitwilio.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

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

Caching Headers

Age

Caching

206

Cache-Control

Caching

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

Etag

Caching

"ae7a1-6502eb0db17d9"

Expires

Caching

Fri, 24 Apr 2026 06:45:01 GMT

Last-Modified

Caching

Fri, 24 Apr 2026 06:15:26 GMT

age: 206
cache-control: max-age=600,stale-while-revalidate=30,stale-if-error=7200
etag: "ae7a1-6502eb0db17d9"
expires: Fri, 24 Apr 2026 06:45:01 GMT
last-modified: Fri, 24 Apr 2026 06:15:26 GMT

Content Headers

Content-Length

Content

714657

Content-Type

Content

text/html;charset=utf-8

content-length: 714657
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="6f6c54e576ae3ed3"; Path=/; HttpOnly; secure

Other Headers

Date

Other

Fri, 24 Apr 2026 06:40:01 GMT

Via

Other

1.1 ca2190123e61f1744d1210c24c87c840.cloudfront.net (CloudFront)

X-Amz-Cf-Id

Other

CI8Fa8LhsnCCOqMOSSTuDF2FDTRxjbpbQmlo641LE3dSV3S1oqwEYA==

X-Amz-Cf-Pop

Other

IAD12-P5

X-Cache

Other

Hit from cloudfront

X-Served-By

Other

cache-iad-kcgs7200116-IAD

X-Timer

Other

S1777012801.125477,VS0,VS0,VE29

X-Vhost

Other

twilio-com

date: Fri, 24 Apr 2026 06:40:01 GMT
via: 1.1 ca2190123e61f1744d1210c24c87c840.cloudfront.net (CloudFront)
x-amz-cf-id: CI8Fa8LhsnCCOqMOSSTuDF2FDTRxjbpbQmlo641LE3dSV3S1oqwEYA==
x-amz-cf-pop: IAD12-P5
x-cache: Hit from cloudfront
x-served-by: cache-iad-kcgs7200116-IAD
x-timer: S1777012801.125477,VS0,VS0,VE29
x-vhost: twilio-com

Recommendations

Enable compression (gzip/brotli) to improve performance