HTTP Headers Analysis for https://confidence.spotify.com

Detected Technologies from Headers

See all in URL Inspect 3

Envoy

Next.js

Spotify

HTTP Security Headers

Status

Strict-Transport-Security

Present

max-age=31536000

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

• Increase HSTS max-age to at least 1 year and add includeSubDomains
• 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

Vary

Performance

RSC, Next-Router-State-Tree, Next-Router-Prefetch, Accept-Encoding

connection: close
vary: RSC, Next-Router-State-Tree, Next-Router-Prefetch, Accept-Encoding

Caching Headers

Cache-Control

Caching

s-maxage=31536000, stale-while-revalidate

Etag

Caching

"10x86yjxrc22gvi"

cache-control: s-maxage=31536000, stale-while-revalidate
etag: "10x86yjxrc22gvi"

Content Headers

Content-Length

Content

115343

Content-Type

Content

text/html; charset=utf-8

content-length: 115343
content-type: text/html; charset=utf-8

Server Headers

Server

envoy

X-Powered-By

Server

Next.js

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

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Alt-Svc

Other

h3=":443"; ma=2592000,h3-29=":443"; ma=2592000, h3=":443"; ma=2592000,h3-29=":443"; ma=2592000

Date

Other

Sat, 09 May 2026 10:44:10 GMT

Link

Other

URL

/docs

rel=service-doc type=text/html title=Confidence Documentation

URL

/sitemap.xml

rel=sitemap type=application/xml

URL

/.well-known/api-catalog

rel=api-catalog type=application/linkset+json

URL https://auth.confidence.dev/.well-known/oauth-authorization-server

rel=oauth-authorization-server type=application/json

Via

Other

HTTP/2 edgeproxy, 1.1 google

X-Nextjs-Cache

Other

HIT

alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000, h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date: Sat, 09 May 2026 10:44:10 GMT
link: </docs>; rel="service-doc"; type="text/html"; title="Confidence Documentation", </sitemap.xml>; rel="sitemap"; type="application/xml", </.well-known/api-catalog>; rel="api-catalog"; type="application/linkset+json", <https://auth.confidence.dev/.well-known/oauth-authorization-server>; rel="oauth-authorization-server"; type="application/json", </.well-known/mcp/server-card.json>; rel="mcp-server-card"; type="application/json"
via: HTTP/2 edgeproxy, 1.1 google
x-nextjs-cache: HIT

Recommendations

Enable compression (gzip/brotli) to improve performance

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