HTTP Headers Analysis for https://enterprise.coveralls.io

Detected Technologies from Headers

See all in URL Inspect 2

Cloudflare CDN

Heroku

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

Good

SAMEORIGIN

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 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

connection: close
transfer-encoding: chunked

Caching Headers

Cache-Control

Caching

max-age=0, private, must-revalidate

cache-control: max-age=0, private, must-revalidate

Content Headers

Content-Type

Content

text/html; charset=utf-8

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

Server Headers

Server

cloudflare

X-Runtime

Server

0.006469

server: cloudflare
x-runtime: 0.006469

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: request_method=GET; path=/
_coveralls-enterprise_session=Y1lBSncydTVzZ0lER3pOa0VMSUxDdGQ4U2dzNlhZdTdkeVpzSkZ2RHRmK3RSVCtzYm1DT29kc0k5Q3NvRVFvNkZ1SVNZQWRKaktOQzdrUlNQK3dXaGIvbWFUTFNSWnlZaWFvTmtUS0hZNUZKRHV4VHEwQ0YyOWhNR1VRUUxzRWxnUXRmS3NKTEtzbjFtTXFaZXR2Y1l3PT0tLTZZalh2Ri9MY2hYbi9YaDFYTDZpYUE9PQ%3D%3D--f8904e35c26bdd731630732e9c13b02c00f93ad7; path=/; HttpOnly

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Cf-Cache-Status

Other

DYNAMIC

Cf-Ray

Other

9f2748a83f4f2ac2-IAD

Date

Other

Sun, 26 Apr 2026 17:24:55 GMT

Nel

Other

Report-To Group heroku-nel max-age: 1h

success: 1.0% failure: 10.0%

Report-To

Other

Group heroku-nel max-age: 1h

Endpoint 1 https://nel.heroku.com/reports?s=PTPa3BpenodyJjWEXoYbWZGKXou0Te6opwRXz8NRTW8%3D&sid=e11707d5-02a7-43ef-b45e-2cf4d2036f7d&ts=1777224295

Reporting-Endpoints

Other

heroku-nel="https://nel.heroku.com/reports?s=PTPa3BpenodyJjWEXoYbWZGKXou0Te6opwRXz8NRTW8%3D&sid=e11707d5-02a7-43ef-b45e-2cf4d2036f7d&ts=1777224295"

Status

Other

200 OK

Via

Other

1.1 heroku-router

X-Request-Id

Other

b64f0461-4f17-0955-a729-5bf51238aa3e

alt-svc: h3=":443"; ma=86400
cf-cache-status: DYNAMIC
cf-ray: 9f2748a83f4f2ac2-IAD
date: Sun, 26 Apr 2026 17:24:55 GMT
nel: {"report_to":"heroku-nel","response_headers":["Via"],"max_age":3600,"success_fraction":0.01,"failure_fraction":0.1}
report-to: {"group":"heroku-nel","endpoints":[{"url":"https://nel.heroku.com/reports?s=PTPa3BpenodyJjWEXoYbWZGKXou0Te6opwRXz8NRTW8%3D\u0026sid=e11707d5-02a7-43ef-b45e-2cf4d2036f7d\u0026ts=1777224295"}],"max_age":3600}
reporting-endpoints: heroku-nel="https://nel.heroku.com/reports?s=PTPa3BpenodyJjWEXoYbWZGKXou0Te6opwRXz8NRTW8%3D&sid=e11707d5-02a7-43ef-b45e-2cf4d2036f7d&ts=1777224295"
status: 200 OK
via: 1.1 heroku-router
x-request-id: b64f0461-4f17-0955-a729-5bf51238aa3e

Recommendations

Enable compression (gzip/brotli) to improve performance