HTTP Headers Analysis for https://web.upstart.com

Detected Technologies from Headers

See all in URL Inspect 3

AWS CloudFront

Amazon S3

Cloudflare CDN

HTTP Security Headers

Status

Strict-Transport-Security

Excellent

max-age=31536000; includeSubDomains; preload

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

Good

nosniff

Referrer-Policy

Missing

Not configured

Permissions-Policy

Missing

Not configured

Recommendations

• Add Content-Security-Policy header to prevent XSS attacks
• Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
• Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
• Consider adding Permissions-Policy to control browser features

Performance Headers

Connection

Performance

close

Transfer-Encoding

Performance

chunked

Vary

Performance

Accept-Encoding

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

Caching Headers

Age

Caching

38785

Cache-Control

Caching

max-age=0, no-cache, no-store, must-revalidate

Last-Modified

Caching

Thu, 30 Apr 2026 09:55:14 GMT

age: 38785
cache-control: max-age=0, no-cache, no-store, must-revalidate
last-modified: Thu, 30 Apr 2026 09:55:14 GMT

Content Headers

Content-Type

Content

text/html

content-type: text/html

Server Headers

Server

cloudflare

server: cloudflare

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: __cf_bm=HnEr.JaCyRMGx_aepHnyDEyHtQ75zEdCjt.fl6ieHIc-1778100779.256199-1.0.1.1-zlGHqHhLxiKN0kpcIMH9dofFrvsG7.UJRggplJUm37X9t3AVoc8UVP4tJ3xcpG5MPP77EviLQDRaAaebayDInpWudEQ4Bq.zHWugIUte5qgvfdSuzOYGNrvc3oBR3gAk; HttpOnly; Secure; Path=/; Domain=upstart.com; Expires=Wed, 06 May 2026 21:22:59 GMT

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Cf-Cache-Status

Other

DYNAMIC

Cf-Ray

Other

9f7adf2e5f9f395b-IAD

Date

Other

Wed, 06 May 2026 20:52:59 GMT

Via

Other

1.1 9e9171993a5b46263190633cfe0d8752.cloudfront.net (CloudFront)

X-Amz-Cf-Id

Other

ndp2xJIJX2hIJ-hvvspY7txfeY3TrdMgBPjL2NxsBaZ3ekfllo4_1A==

X-Amz-Cf-Pop

Other

IAD61-P6

X-Amz-Server-Side-Encryption

Other

AES256

X-Amz-Version-Id

Other

PvJCDWPnsvgi1ByQAeHYln1Ohy0wLfg1

X-Cache

Other

Hit from cloudfront

alt-svc: h3=":443"; ma=86400
cf-cache-status: DYNAMIC
cf-ray: 9f7adf2e5f9f395b-IAD
date: Wed, 06 May 2026 20:52:59 GMT
via: 1.1 9e9171993a5b46263190633cfe0d8752.cloudfront.net (CloudFront)
x-amz-cf-id: ndp2xJIJX2hIJ-hvvspY7txfeY3TrdMgBPjL2NxsBaZ3ekfllo4_1A==
x-amz-cf-pop: IAD61-P6
x-amz-server-side-encryption: AES256
x-amz-version-id: PvJCDWPnsvgi1ByQAeHYln1Ohy0wLfg1
x-cache: Hit from cloudfront

Recommendations

Enable compression (gzip/brotli) to improve performance