- Link Authority: 57/100 (strong, high confidence).
- Web graph rank: #3,307 of 134,979,706 domains, the top 0.0025% of all domains.
- 6,787 linking domains counted in MrKeyword data.
- 28 hostnames under ruby-lang.org in the web graph.
- 38th of 38 open source and developer sites on MrKeyword's list.
What is ruby-lang.org's domain authority?
ruby-lang.org has a MrKeyword Link Authority of 57/100, a strong score. The score comes from where ruby-lang.org sits in MrKeyword's web graph (August–October 2026): it is #3,307 of 134,979,706 domains by PageRank, and Link Authority places that position on a 0–100 log curve, so the strongest domain scores 100.
This is MrKeyword's own metric, not Moz DA or Ahrefs DR (how the domain authority scores differ); how Link Authority is calculated gives both formulas.
How many websites link to ruby-lang.org?
6,787 different domains link to ruby-lang.org in MrKeyword's data, counting each linking website once however many links it has. That is the number SEO tools call referring domains. The web graph also lists 28 hostnames under ruby-lang.org (subdomains such as www or blog count separately).
To see individual linking websites and anchor text, open the free backlink checker for ruby-lang.org.
Which strong websites link to ruby-lang.org?
The strongest linking domain MrKeyword's web graph shows for ruby-lang.org is apple.com, with a Link Authority of 84. The table lists the 9 strongest by their own score.
Strongest domains linking to ruby-lang.org
| Linking domain | Link Authority | Web graph rank |
|---|---|---|
| apple.com | 84 | #20 |
| adobe.com | 80 | #41 |
| amazon.com | 79 | #48 |
| dropbox.com | 75 | #111 |
| canada.ca | 67 | #519 |
| adjust.com | 61 | #1,363 |
| datadoghq.com | 60 | #1,860 |
| alibabacloud.com | 57 | #2,992 |
| blizzard.com | 50 | #10,764 |
5 of the 9 strongest linking domains have a profile on MrKeyword's list too (apple.com, adobe.com, amazon.com, dropbox.com, canada.ca). None of them is in ruby-lang.org's own group, open source and developer sites.
How does ruby-lang.org compare with similar websites?
ruby-lang.org is 38th of 38 open source and developer sites on MrKeyword's list by Link Authority, with 4 neighbours above it in the table below. The median Link Authority of those 38 open source and developer sites is 67, so ruby-lang.org is 10 points below it.
ruby-lang.org and its nearest peers
| Website | Link Authority | Web graph rank | Linking domains |
|---|---|---|---|
| go.dev | 62 | #1,180 | 12,298 |
| kubernetes.io | 62 | #1,319 | 16,923 |
| react.dev | 62 | #1,345 | 10,334 |
| heroku.com | 58 | #2,487 | 8,717 |
| ruby-lang.org | 57 | #3,307 | 6,787 |
See every profiled site on the domain authority list of popular websites, or compare your own site with any of these in the free domain authority checker.
What does a Link Authority of 57 mean?
A Link Authority of 57 is strong: above the great majority of websites. This is the band where links from well-known publications and institutions make the biggest difference. In plain numbers, ruby-lang.org is in the top 0.0025% of the 134,979,706 domains in the web graph.
To raise your own site's score, read how to increase domain authority; for the domains at the very top, see the most-linked websites of 2026. The authority list explains why the 0–100 scale is logarithmic.
Where does ruby-lang.org's data come from?
Every number on ruby-lang.org's profile is read from MrKeyword's web graph (August–October 2026). This version uses data imported on 31 October 2026. How MrKeyword collects and labels this data.