HTTP Headers Analysis for https://app.fastspring.com

Detected Technologies from Headers

See all in URL Inspect 6

Amazon S3

Cloudflare CDNJS

Google Search

Google Static File Front End

jsDelivr

Google Cloud

HTTP Security Headers

Status

Strict-Transport-Security

Good

max-age=31536000 ; includeSubDomains

Content-Security-Policy

Basic

frame-ancestors; frame-src; script-src 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

• Consider adding 'preload' to HSTS for maximum security
• Improve CSP by adding more specific directives and removing 'unsafe-inline'
• 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

Vary

Performance

Origin, Access-Control-Request-Method, Access-Control-Request-Headers

connection: close
vary: Origin, Access-Control-Request-Method, Access-Control-Request-Headers

Caching Headers

Cache-Control

Caching

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

Expires

Caching

0

Pragma

Caching

no-cache

cache-control: no-cache, no-store, max-age=0, must-revalidate
expires: 0
pragma: no-cache

Content Headers

Content-Language

Content

en-US

Content-Length

Content

24484

Content-Type

Content

text/html;charset=UTF-8

content-language: en-US
content-length: 24484
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: LoginReturn=https://app.fastspring.com/relogin.xml?return=true; Max-Age=300; Expires=Sat, 09 May 2026 09:13:15 GMT; Path=/; Secure
LoginReturnTarget=APP; Max-Age=300; Expires=Sat, 09 May 2026 09:13:15 GMT; Path=/; Secure
state=1950014443; Max-Age=3600; Expires=Sat, 09 May 2026 10:08:15 GMT; Domain=fastspring.com; Path=/; Secure

Other Headers

Date

Other

Sat, 09 May 2026 09:08:15 GMT

X-Fs-Trace

Other

FSIKXCIAPOQBGDVNLNBJLML7JKY4;Root=1-69fef97f-75d05ee20e4d8f906de7ecc7

date: Sat, 09 May 2026 09:08:15 GMT
x-fs-trace: FSIKXCIAPOQBGDVNLNBJLML7JKY4;Root=1-69fef97f-75d05ee20e4d8f906de7ecc7

Recommendations

Enable compression (gzip/brotli) to improve performance