HTTP Headers Analysis for https://openstreetmap.com

Open Cached · just now

31 Headers

Detected Technologies from Headers

See all in URL Inspect 7

Gravatar

Apache

AWS

OpenStreetMap

Phusion Passenger

Varnish

WordPress

HTTP Security Headers

Status

Strict-Transport-Security

Excellent

max-age=31536000; includeSubDomains; preload

Content-Security-Policy

Basic

default-src; child-src; font-src; +11 more Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Good

SAMEORIGIN

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Good

strict-origin-when-cross-origin

Permissions-Policy

Missing

Not configured

Recommendations

• Improve CSP by adding more specific directives and removing 'unsafe-inline'
• Consider adding Permissions-Policy to control browser features

Performance Headers

Accept-Ranges

Performance

bytes

Connection

Performance

Transfer-Encoding

Performance

chunked

Vary

Performance

Accept-Language,Accept-Encoding

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

Caching Headers

Cache-Control

Caching

max-age=0, private, must-revalidate

Etag

Caching

W/"653c35f3fccd3c205e66efdb03776c51"

cache-control: max-age=0, private, must-revalidate
etag: W/"653c35f3fccd3c205e66efdb03776c51"

Content Headers

Content-Language

Content

Content-Type

Content

text/html; charset=utf-8

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

Server Headers

Server

Apache

X-Powered-By

Server

Phusion Passenger(R) 6.1.2

X-Runtime

Server

0.023077

server: Apache
x-powered-by: Phusion Passenger(R) 6.1.2
x-runtime: 0.023077

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

set-cookie: _osm_session=2d4e51c49ac90a53c38e2f48673dcbeb; path=/; secure; httponly; samesite=lax
_osm_totp_token=097851; domain=openstreetmap.org; path=/; expires=Thu, 23 Apr 2026 19:59:16 GMT; samesite=lax; secure

Other Headers

Alt-Svc

Other

h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400

Date

Other

Thu, 23 Apr 2026 18:59:16 GMT

Link

Other

URL /assets/index-87e9b1740ceb204b696f9240130bcfe6786a066e2afa3b06611a1b5ac478b0ca.js

rel=preload as=script nopush

URL /assets/turbo-ddc44468c3f2a177272c2635e622ef6a909e2fa74c250a9f98a31a94a87d1d29.js

rel=modulepreload as=script nopush

URL /assets/application-9be70a2b03ce969cc6ee1546abce6dc406be2c0185a8aea0af415b3a6efa8ada.js

rel=preload as=script nopush

URL /assets/i18n/en-8ae61e82eeed4c85854702ab1e6c13d55f029d31777e88439069f99b7ab789f1.js

rel=preload as=script nopush

URL /assets/index-87e9b1740ceb204b696f9240130bcfe6786a066e2afa3b06611a1b5ac478b0ca.js

rel=preload as=script nopush

URL /assets/turbo-ddc44468c3f2a177272c2635e622ef6a909e2fa74c250a9f98a31a94a87d1d29.js

rel=modulepreload as=script nopush

URL /assets/application-9be70a2b03ce969cc6ee1546abce6dc406be2c0185a8aea0af415b3a6efa8ada.js

rel=preload as=script nopush

URL /assets/i18n/en-8ae61e82eeed4c85854702ab1e6c13d55f029d31777e88439069f99b7ab789f1.js

rel=preload as=script nopush

URL /assets/screen-auto-ltr-a65435d7db6f4097da9ba96bc33eb3e56a4474f414cf1f94c8ee96369c5b2810.css

rel=preload as=style nopush

URL /assets/print-ltr-97dee1ca487394c852f28c2906a930316ab6d2cacf7f73e47c1c31fad8919051.css

rel=preload as=style nopush

URL /assets/leaflet-all-d3e8505f47e0f0615d3daf2619f2267c086cbe9e17e276f393ee686dca54e0d3.css

rel=preload as=style nopush

URL /assets/maplibre-gl-all-671191c247be2831d2737d30b396112dc1041453bd6291863062bbaea52a940a.css

rel=preload as=style nopush

Status

Other

200 OK

Via

Other

1.1 varnish

X-Cache

Other

MISS, MISS

X-Cache-Hits

Other

0, 0

X-Page-Title

Other

OpenStreetMap

X-Permitted-Cross-Domain-Policies

Other

none

X-Request-Id

Other

aepsBEGG3AcjscQKvH6HUQAAAQs

X-Served-By

Other

cache-ewr-kewr1740087-EWR, cache-ewr-kewr1740034-EWR

X-Timer

Other

S1776970757.517399,VS0,VE287

alt-svc: h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
date: Thu, 23 Apr 2026 18:59:16 GMT
link: </assets/index-87e9b1740ceb204b696f9240130bcfe6786a066e2afa3b06611a1b5ac478b0ca.js>; rel=preload; as=script; nopush,</assets/turbo-ddc44468c3f2a177272c2635e622ef6a909e2fa74c250a9f98a31a94a87d1d29.js>; rel=modulepreload; as=script; nopush,</assets/application-9be70a2b03ce969cc6ee1546abce6dc406be2c0185a8aea0af415b3a6efa8ada.js>; rel=preload; as=script; nopush,</assets/i18n/en-8ae61e82eeed4c85854702ab1e6c13d55f029d31777e88439069f99b7ab789f1.js>; rel=preload; as=script; nopush,</assets/screen-auto-ltr-a65435d7db6f4097da9ba96bc33eb3e56a4474f414cf1f94c8ee96369c5b2810.css>; rel=preload; as=style; nopush,</assets/print-ltr-97dee1ca487394c852f28c2906a930316ab6d2cacf7f73e47c1c31fad8919051.css>; rel=preload; as=style; nopush,</assets/leaflet-all-d3e8505f47e0f0615d3daf2619f2267c086cbe9e17e276f393ee686dca54e0d3.css>; rel=preload; as=style; nopush,</assets/maplibre-gl-all-671191c247be2831d2737d30b396112dc1041453bd6291863062bbaea52a940a.css>; rel=preload; as=style; nopush
status: 200 OK
via: 1.1 varnish
x-cache: MISS, MISS
x-cache-hits: 0, 0
x-page-title: OpenStreetMap
x-permitted-cross-domain-policies: none
x-request-id: aepsBEGG3AcjscQKvH6HUQAAAQs
x-served-by: cache-ewr-kewr1740087-EWR, cache-ewr-kewr1740034-EWR
x-timer: S1776970757.517399,VS0,VE287

Recommendations

Enable compression (gzip/brotli) to improve performance

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