HTTP Headers Analysis for https://api.trellisgo.com

Detected Technologies from Headers

See all in URL Inspect 2

Google Static File Front End

Express

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

accept-ranges: bytes
connection: close

Caching Headers

Cache-Control

Caching

public, max-age=0

Etag

Caching

W/"1d7-19bef12fe30"

Last-Modified

Caching

Sat, 24 Jan 2026 08:15:58 GMT

cache-control: public, max-age=0
etag: W/"1d7-19bef12fe30"
last-modified: Sat, 24 Jan 2026 08:15:58 GMT

Content Headers

Content-Length

Content

471

Content-Type

Content

text/html; charset=UTF-8

content-length: 471
content-type: text/html; charset=UTF-8

Server Headers

Server

Google Frontend

X-Powered-By

Server

Express

server: Google Frontend
x-powered-by: Express

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Date

Other

Tue, 11 Aug 2026 19:09:28 GMT

X-Cloud-Trace-Context

Other

0fdace4176f5efd631ae221c1b3cc38c;o=1

date: Tue, 11 Aug 2026 19:09:28 GMT
x-cloud-trace-context: 0fdace4176f5efd631ae221c1b3cc38c;o=1

Recommendations

Enable compression (gzip/brotli) to improve performance

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