- Link Authority: 52/100 (strong, high confidence).
- Web graph rank: #7,422 of 134,979,706 domains, the top 0.0055% of all domains.
- 6,948 linking domains counted in MrKeyword data.
- 7 hostnames under keywordtool.io in the web graph.
- 21st of 36 SEO and marketing tools on MrKeyword's list.
What is keywordtool.io's domain authority?
keywordtool.io has a MrKeyword Link Authority of 52/100, a strong score. The score comes from where keywordtool.io sits in MrKeyword's web graph (August–October 2026): it is #7,422 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 keywordtool.io?
6,948 different domains link to keywordtool.io 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 7 hostnames under keywordtool.io (subdomains such as www or blog count separately).
To see individual linking websites and anchor text, open the free backlink checker for keywordtool.io.
Which strong websites link to keywordtool.io?
The strongest linking domain MrKeyword's web graph shows for keywordtool.io is ahrefs.com, with a Link Authority of 69. The table lists the 10 strongest by their own score.
Strongest domains linking to keywordtool.io
| Linking domain | Link Authority | Web graph rank |
|---|---|---|
| ahrefs.com | 69 | #311 |
| acuityscheduling.com | 65 | #710 |
| buffer.com | 64 | #790 |
| bigcommerce.com | 64 | #808 |
| crazyegg.com | 62 | #1,270 |
| adjust.com | 61 | #1,363 |
| backlinko.com | 61 | #1,507 |
| convinceandconvert.com | 55 | #4,166 |
| descript.com | 55 | #4,597 |
| coschedule.com | 54 | #5,649 |
2 of the 10 strongest linking domains have a profile on MrKeyword's list too (buffer.com, backlinko.com). All of them are in keywordtool.io's own group, SEO and marketing tools.
How does keywordtool.io compare with similar websites?
keywordtool.io is 21st of 36 SEO and marketing tools on MrKeyword's list by Link Authority, with 2 neighbours above it in the table below. The median Link Authority of those 36 SEO and marketing tools is 54, so keywordtool.io is 2 points below it.
keywordtool.io and its nearest peers
| Website | Link Authority | Web graph rank | Linking domains |
|---|---|---|---|
| seranking.com | 54 | #5,874 | 9,726 |
| surferseo.com | 53 | #6,420 | 10,245 |
| keywordtool.io | 52 | #7,422 | 6,948 |
| mangools.com | 50 | #10,895 | 4,004 |
| majestic.com | 50 | #11,604 | 5,972 |
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 52 mean?
A Link Authority of 52 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, keywordtool.io is in the top 0.0055% 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 keywordtool.io's data come from?
Every number on keywordtool.io'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.