What powers 
gnu.org?
Last seen Sep 2026 · 11 technologies across 8 categories
CRM
Development
Miscellaneous
Operating systems
Programming languages
Security
UI frameworks
Web servers
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026. A recent check saw a policy file missing; awaiting confirmation.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 robots.txt appeared
- Sep 2026 * added to robots.txt
- Sep 2026 * removed from robots.txt
- Aug 2026 robots.txt removed
- Aug 2026 robots.txt appeared
- Aug 2026 * added to robots.txt
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| gnu emacs | #1 | 41,000 |
| gnu | #1 | 15,000 |
| bourne again shell | #2 | 8,000 |
| tar | #5 | 6,300 |
| gcal | #23 | 5,300 |
| m4 | #5 | 5,200 |
| make | #6 | 3,700 |
| calc | #16 | 3,500 |
| const | #9 | 3,000 |
| gnu wget | #1 | 2,500 |
| bash | #3 | 2,400 |
| gpl | #1 | 2,000 |
| defn | #24 | 1,700 |
| linux | #14 | 1,700 |
| screen | #8 | 1,300 |
| po | #20 | 1,300 |
| what it's | #59 | 1,200 |
| gnu license | #1 | 1,100 |
| gnu gpl license | #1 | 1,100 |
| gnu gpl | #1 | 1,100 |
| gnu common lisp | #1 | 1,100 |
| gpl licence | #1 | 1,100 |
| tilde | #8 | 980 |
| bash conditional statements | #1 | 880 |
| gnu parted | #1 | 880 |
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.
AI Crawlers
No AI crawlers blocked
Audience
- 83% desktop
- 17% phone
United States
Mexico
Canada
Australia
India
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
9.06 / 10 · ranked #253 of all domains
31,917 referring domains · OpenPageRank
Search traffic
174,300 est. monthly organic visits (US)
27,908 keywords in Google's top 30
Core Web Vitals
| LCP | 0.9 s |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 0.0 MB · 10 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Similar sites
- fh-augsburg.de 3 shared
linuxtv.org 3 shared
nongnu.org 3 sharedzx2c4.com 3 shared
musl-libc.org 3 shared
alpinelinux.org 3 shared
freebsd.org 3 shared
gentoo.org 3 shared
Closest technology stacks among the highest-authority sites we track; "shared" counts the distinctive technologies in common.
Organisation
- GNU.org
From Wikidata (CC0).
Infrastructure
- Registered Nov 1995 (30 years) via Gandi SAS, renews Nov 2026
- Hosted on FREEASINFREEDOM (209.51.188.116, IPv6)
- DNS: gnu.org
- Email: gnu.org
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 754, 129 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| cgit.git.savannah.gnu.org | 4 |
| debbugs.gnu.org | 3 |
| gcc.gnu.org | 3 |
| gnuzilla.gnu.org | 3 |
| www.gnu.org | 3 |
| 10years.guix.gnu.org | 2 |
| alpha.gnu.org | 2 |
| data.guix.gnu.org | 2 |
| ftp.gnu.org | 2 |
| guix.gnu.org | 2 |
| korea.gnu.org | 2 |
| logs.guix.gnu.org | 2 |
| mail.gnu.org | 2 |
| audio-video.gnu.org | 1 |
| cvs.savannah.gnu.org | 1 |
| doc.guix.gnu.org | 1 |
| download-mirror.savannah.gnu.org | 1 |
| download.savannah.gnu.org | 1 |
| elpa.gnu.org | 1 |
| git.savannah.gnu.org | 1 |
| gitweb.git.savannah.gnu.org | 1 |
| https.git.savannah.gnu.org | 1 |
| issues.guix.gnu.org | 1 |
| lists.gnu.org | 1 |
Full technology history →
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