- Link Authority: 71/100 (very strong, high confidence).
- Web graph rank: #245 of 134,979,706 domains, the top 0.001% of all domains.
- 191,972 linking domains counted in MrKeyword data.
- 190 hostnames under openai.com in the web graph.
- 12th of 34 software and business apps on MrKeyword's list.
What is openai.com's domain authority?
openai.com has a MrKeyword Link Authority of 71/100, a very strong score. The score comes from where openai.com sits in MrKeyword's web graph (August–October 2026): it is #245 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 openai.com?
191,972 different domains link to openai.com 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 190 hostnames under openai.com (subdomains such as www or blog count separately).
To see individual linking websites and anchor text, open the free backlink checker for openai.com.
Which strong websites link to openai.com?
The strongest linking domain MrKeyword's web graph shows for openai.com is apple.com, with a Link Authority of 84. The table lists the 10 strongest by their own score.
Strongest domains linking to openai.com
| Linking domain | Link Authority | Web graph rank |
|---|---|---|
| apple.com | 84 | #20 |
| adobe.com | 80 | #41 |
| amazon.com | 79 | #48 |
| dropbox.com | 75 | #111 |
| bing.com | 71 | #241 |
| atlassian.com | 70 | #294 |
| ahrefs.com | 69 | #311 |
| businessinsider.com | 68 | #394 |
| deloitte.com | 67 | #483 |
| chatgpt.com | 67 | #502 |
7 of the 10 strongest linking domains have a profile on MrKeyword's list too (apple.com, adobe.com, amazon.com, dropbox.com, bing.com, atlassian.com, businessinsider.com). 4 of them are in openai.com's own group, software and business apps.
How does openai.com compare with similar websites?
openai.com is 12th of 34 software and business apps on MrKeyword's list by Link Authority, with 2 neighbours above it in the table below. The median Link Authority of those 34 software and business apps is 69, so openai.com is 2 points above it.
openai.com and its nearest peers
| Website | Link Authority | Web graph rank | Linking domains |
|---|---|---|---|
| ibm.com | 71 | #211 | 137,703 |
| zendesk.com | 71 | #216 | 107,073 |
| openai.com | 71 | #245 | 191,972 |
| salesforce.com | 70 | #264 | 101,500 |
| atlassian.com | 70 | #294 | 54,239 |
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 71 mean?
A Link Authority of 71 is very strong: far ahead of almost every other website. Domains at this level are linked from a very wide spread of other sites; gaining more points usually takes links from other very strong domains. In plain numbers, openai.com is in the top 0.001% 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 openai.com's data come from?
Every number on openai.com'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.