HTTP Headers Analysis for https://similarlabs.com

Detected Technologies from Headers

See all in URL Inspect 2

Next.js

Tencent EdgeOne

HTTP Security Headers

Status

Strict-Transport-Security

Missing

Not configured

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

Missing

Not configured

Referrer-Policy

Missing

Not configured

Permissions-Policy

Missing

Not configured

Recommendations

• Add Strict-Transport-Security header with max-age of at least 1 year
• Add Content-Security-Policy header to prevent XSS attacks
• Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
• Add X-Content-Type-Options: nosniff
• 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

rsc, next-router-state-tree, next-router-prefetch, next-router-segment-prefetch, Accept-Encoding

accept-ranges: bytes
connection: close
vary: rsc, next-router-state-tree, next-router-prefetch, next-router-segment-prefetch, Accept-Encoding

Caching Headers

Age

Caching

3508

Cache-Control

Caching

s-maxage=30, stale-while-revalidate=31535970

Etag

Caching

"16t43bxg5o88ut4"

age: 3508
cache-control: s-maxage=30, stale-while-revalidate=31535970
etag: "16t43bxg5o88ut4"

Content Headers

Content-Length

Content

413420

Content-Type

Content

text/html; charset=utf-8

content-length: 413420
content-type: text/html; charset=utf-8

Server Headers

Server

TencentEdgeOne

X-Powered-By

Server

Next.js

server: TencentEdgeOne
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

Date

Other

Sun, 23 Aug 2026 02:53:36 GMT

Eo-Cache-Status

Other

HIT

Eo-Log-Uuid

Other

5132549867208089008

Nel

Other

Report-To Group eo-nel max-age: 1w

success: 10.0%

Report-To

Other

Group eo-nel max-age: 1w

Endpoint 1 https://nel.teo-rum.com/eo-cgi/nel

X-Nextjs-Cache

Other

STALE

X-Nextjs-Prerender

Other

1

X-Nextjs-Stale-Time

Other

300

alt-svc: h3=":443"; ma=2592000
date: Sun, 23 Aug 2026 02:53:36 GMT
eo-cache-status: HIT
eo-log-uuid: 5132549867208089008
nel: {"success_fraction":0.1,"report_to":"eo-nel","max_age":604800}
report-to: {"endpoints":[{"url":"https://nel.teo-rum.com/eo-cgi/nel"}],"group":"eo-nel","max_age":604800}
x-nextjs-cache: STALE
x-nextjs-prerender: 1
x-nextjs-stale-time: 300

Recommendations

Enable compression (gzip/brotli) to improve performance

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