What powers wmflabs.org?

Last seen Aug 2026 · 50 technologies across 18 categories

Analytics

Matomo
since Aug 2018

Cache Tools

Varnish
since Aug 2018

Font scripts

Font Awesome
since Dec 2020
Google Font API
since Aug 2018

Issue trackers

Sentry v7.120.4
since Jul 2020

JavaScript Frameworks

Ember.js v3.12.2
since Feb 2020
Emotion
since Jun 2021
Handlebars v4.5.3
since Feb 2020
Mustache v4.2.0
since Feb 2020
React
since Aug 2018
React Router v6
since Jul 2026
Riot
since Dec 2022
Socket.io
since Jun 2020
Vue.js
since Oct 2020

JavaScript graphics

Chart.js
since Aug 2022

JavaScript libraries

core-js v3.23.3
since Sep 2021
Glide.js
since Feb 2023
jQuery v3.7.1
since Aug 2018
jQuery Migrate v3.1.0
since Aug 2018
jQuery UI v1.9.2
since Aug 2018
List.js
since Aug 2018
Lodash v4.18.1
since Aug 2018
Moment.js v2.25.2
since Feb 2020
Select2
since Aug 2022

Maps

Leaflet v1.3.4+HEAD.0e566b2
since Feb 2020
Mapbox GL JS
since Jul 2021
OpenLayers v2.8
since Aug 2022

Message Boards

Discourse v2.4.0
since Feb 2020

Miscellaneous

Open Graph
since Sep 2022
Popper
since Apr 2022
PWA
since Aug 2022
RSS
since Dec 2022
Webpack
since Sep 2018

Programming languages

Node.js
since Jun 2020
PHP
since Aug 2018
Python
since Jun 2024
Ruby
since Aug 2018

Security

HSTS
since Sep 2022

UI frameworks

Bootstrap v4.6.0
since Aug 2018

Video players

VideoJS
since Dec 2024

Web frameworks

Django
since Jun 2024
Express
since Jun 2020
Ruby on Rails
since Aug 2018

Web Servers

Apache HTTP Server
since Jul 2020
Apache Traffic Server v9.2.10
since Jul 2021
HHVM v3.18.6
since Aug 2018
Nginx v1.22.1
since May 2017
Phusion Passenger v6.1.2
since Aug 2018

Widgets

Wheelio
since Sep 2021

Wikis

MediaWiki v1.44.0
since May 2017

AI Crawlers

Blocks all crawlers by default in robots.txt (User-agent: *). Checked Sep 2026.

  • robots.txt found
  • llms.txt not found
  • ai.txt not found
  • Sep 2026 *: Blocked (was Restricted)
  • Sep 2026 *: Restricted (was Blocked)
  • Aug 2026 * added to robots.txt
  • Aug 2026 * removed from robots.txt

See who blocks each AI crawler across the web

AI Crawlers

All crawlers blocked

Full breakdown

Audience

  • 60% phone
  • 41% desktop
  • United States
  • Brazil
  • United Kingdom
  • Nigeria
  • Indonesia
  • India

Where the site's Chrome visitors come from, largest estimated audience first.

Open Page Rank

8.03 / 10 · ranked #6,892 of all domains

1,598 referring domains · OpenPageRank

Core Web Vitals

LCP3.6 s
INP250 ms
CLS0.15
TTFB1300 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Weight: 0.5 MB · 18 requests

Homepage as crawled by the HTTP Archive, Sep 2026.

Similar sites

Closest technology stacks among the highest-authority sites we track; "shared" counts the distinctive technologies in common.

Infrastructure

  • Registered Sep 2011 (15 years) via MarkMonitor Inc., renews Sep 2027
  • Hosted on WIKIMEDIA (185.15.56.49, IPv6)
  • DNS: wikimediacloud.org
  • Email: wikimedia.org
  • Email security: SPF (soft fail), DMARC monitor only
  • SSL: Let's Encrypt, ECDSA P256, wildcard, expires Dec 2026
  • Common Crawl link graph: rank 10,297, 669 hosts
  • Verified with: Google

DNS records as swept Sep 2026, certificate as seen Sep 2026, registration from the registry's RDAP service. How the web is hosted

Subdomains

HostTechs
en.wikipedia.beta.wmflabs.org 13
outreachdashboard.wmflabs.org 12
discuss-space.wmflabs.org 10
wikipedialibrary.wmflabs.org 10
en.m.wikipedia.beta.wmflabs.org 9
meta.m.wikimedia.beta.wmflabs.org 9
tools-static.wmflabs.org 8
warper.wmflabs.org 8
xtools.wmflabs.org 8
wikidocumentaries-demo.wmflabs.org 7
wikispore.wmflabs.org 6
wikistream.wmflabs.org 6
recommend.wmflabs.org 5
tools.wmflabs.org 5
accounts.wmflabs.org 4
petscan.wmflabs.org 4
quarry.wmflabs.org 4
utrs-beta.wmflabs.org 3
utrs.wmflabs.org 3
wma.wmflabs.org 3
mediawiki2latex.wmflabs.org 2

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