What powers fsf.org?
Last seen Jun 2026 · 32 technologies across 16 categories
Analytics
Amplitude
since Sep 2023
Matomo Analytics
since Apr 2018
Caching
Varnish
since Feb 2020
CMS
CRM
CiviCRM
since Jan 2023
Ecommerce
Cart Functionality
since Aug 2020
Drupal Commerce
since Aug 2018
Font scripts
Font Awesome
since Apr 2018
Issue trackers
Sentry
since Sep 2023
JavaScript frameworks
JavaScript libraries
Live chat
Jitsi
since Sep 2023
Miscellaneous
Programming languages
Security
HSTS
since Sep 2022
UI frameworks
Bootstrap
since Feb 2020
Web servers
Apache HTTP Server
since Aug 2018
Nginx
since Apr 2018
Wikis
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| software | #15 | 1,900 |
| free software | #1 | 580 |
| gnu | #11 | 450 |
| gnu emacs | #57 | 280 |
| gnu compiler collection | #88 | 130 |
| gnus | #79 | 100 |
| twelve strong | #95 | 95 |
| guile definition | #92 | 85 |
| libre | #53 | 70 |
| da origins | #64 | 70 |
| nsa definition | #99 | 47 |
| new releases | #97 | 38 |
| freebie definition | #72 | 35 |
| freebie definition | #72 | 35 |
| free technologies | #2 | 34 |
| intel ime | #10 | 33 |
| fundations | #69 | 31 |
| geocities website | #80 | 31 |
| geocities sites | #70 | 31 |
| foss | #84 | 31 |
| bones 2001 | #93 | 29 |
| be free | #90 | 25 |
| free foundation | #2 | 23 |
| amin | #61 | 21 |
| free software supporter | #2 | 18 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
Audience
- 79% phone
- 21% desktop
United States
India
Germany
United Kingdom
Brazil
France
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
8.46 / 10 · ranked #2,751 of all domains
5,441 referring domains · OpenPageRank
Search traffic
5,300 est. monthly organic visits (US)
2,277 keywords in Google's top 30
Core Web Vitals
| LCP | 5.1 s |
| INP | 225 ms |
| CLS | 0 |
| TTFB | 2300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 1.5 MB · 60 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| jitsi.member.fsf.org | 11 |
| my.fsf.org | 11 |
| shop.fsf.org | 11 |
| ryf.fsf.org | 10 |
| directory.fsf.org | 9 |
| librephone.fsf.org | 6 |
| emailselfdefense.fsf.org | 5 |
| www.fsf.org | 5 |
| gplv3.fsf.org | 4 |
| agpl.fsf.org | 2 |
| cas.fsf.org | 2 |
| magazine.fsf.org | 2 |
| mirror.fsf.org | 2 |
| static.fsf.org | 2 |
| weblabels.fsf.org | 2 |