HTTP Headers Analysis for https://api.wikimedia.org

HTTP Security Headers

Status

Strict-Transport-Security

Excellent

max-age=106384710; includeSubDomains; preload

Content-Security-Policy

Basic

script-src; default-src; style-src; +2 more Analyze

Content-Security-Policy-Report-Only

Basic

script-src; default-src; style-src; +2 more Analyze

X-Frame-Options

Missing

Not configured

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Missing

Not configured

Permissions-Policy

Missing

Not configured

Recommendations

• 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

Accept-Ranges

Performance

bytes

Connection

Performance

close

Transfer-Encoding

Performance

chunked

Vary

Performance

Accept-Encoding,Cookie,Authorization

accept-ranges: bytes
connection: close
transfer-encoding: chunked
vary: Accept-Encoding,Cookie,Authorization

Caching Headers

Age

Caching

63385

Cache-Control

Caching

s-maxage=1209600, must-revalidate, max-age=0

Last-Modified

Caching

Thu, 26 Mar 2026 09:19:00 GMT

age: 63385
cache-control: s-maxage=1209600, must-revalidate, max-age=0
last-modified: Thu, 26 Mar 2026 09:19:00 GMT

Content Headers

Content-Language

Content

en

Content-Type

Content

text/html; charset=UTF-8

content-language: en
content-type: text/html; charset=UTF-8

Server Headers

Server

mw-web.eqiad.main-5c645d96cd-wvktr

server: mw-web.eqiad.main-5c645d96cd-wvktr

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: WMF-DP=ab1;Path=/;HttpOnly;secure;Expires=Fri, 10 Apr 2026 00:00:00 GMT
WMF-Uniq=ZPHo201u2wuiWZOj30veewM-AAAAAFvdJSSHDdbriHTXpNA15KRN2vj5QgqFWkrM;Domain=api.wikimedia.org;Path=/;HttpOnly;secure;SameSite=None;Expires=Sat, 10 Apr 2027 00:00:00 GMT

Other Headers

Accept-Ch

Other

Date

Other

Thu, 09 Apr 2026 09:19:00 GMT

Nel

Other

Report-To Group wm_nel max-age: 1w

success: 0.0% failure: 5.0%

Report-To

Other

Group wm_nel max-age: 1w

Endpoint 1 https://intake-logging.wikimedia.org/v1/events?stream=w3c.reportingapi.network_error&schema_uri=/w3c/reportingapi/network_error/1.0.0

Server-Timing

Other

cache;desc="hit-local", host;desc="cp1110"

X-Analytics

Other

X-Cache

Other

cp1110 hit, cp1110 miss

X-Cache-Status

Other

hit-local

X-Client-Ip

Other

64.34.84.148

X-Request-Id

Other

37e8c791-ff8d-45dc-b044-05a233b44063

accept-ch: 
date: Thu, 09 Apr 2026 09:19:00 GMT
nel: { "report_to": "wm_nel", "max_age": 604800, "failure_fraction": 0.05, "success_fraction": 0.0}
report-to: { "group": "wm_nel", "max_age": 604800, "endpoints": [{ "url": "https://intake-logging.wikimedia.org/v1/events?stream=w3c.reportingapi.network_error&schema_uri=/w3c/reportingapi/network_error/1.0.0" }] }
server-timing: cache;desc="hit-local", host;desc="cp1110"
x-analytics: 
x-cache: cp1110 hit, cp1110 miss
x-cache-status: hit-local
x-client-ip: 64.34.84.148
x-request-id: 37e8c791-ff8d-45dc-b044-05a233b44063

Recommendations

Enable compression (gzip/brotli) to improve performance