Top SEO Factor data is updated daily for latest "month to date" measurements.
| Name | Correlation | #1 Max | Page 1 Avg | Usage % | Searches % | |
| 1 | Ahrefs Referring Class C Addresses Authority | -0.23 | 1164 | 53 | 61 % | 13 % |
| 2 | Ahrefs Referring IP Addresses Authority | -0.23 | 1683 | 64 | 60 % | 13 % |
| 3 | Ahrefs Referring Domains Authority | -0.23 | 18660 | 129 | 61 % | 13 % |
| 4 | Ahrefs NoFollow Backlinks Authority | -0.22 | 29378 | 754 | 50 % | 12 % |
| 5 | Ahrefs Text Backlinks Authority | -0.22 | 746145 | 13239 | 61 % | 13 % |
| 6 | Ahrefs Backlinks Authority | -0.22 | 746186 | 13309 | 61 % | 13 % |
| 7 | Ahrefs Referring Pages Authority | -0.22 | 746185 | 13309 | 61 % | 13 % |
| 8 | Ahrefs Dofollow Backlinks Authority | -0.2 | 745823 | 13694 | 54 % | 12 % |
| 9 | Ahrefs Has Backlinks Authority | -0.19 | 1 | 1 | 60 % | 13 % |
| 10 | Ahrefs Has NoFollow Backlinks Authority | -0.19 | 1 | 1 | 50 % | 13 % |
| 11 | Ahrefs Has Text Backlinks Authority | -0.19 | 1 | 1 | 60 % | 13 % |
| 12 | Ahrefs Linked Root Domains Authority | -0.15 | 25 | 7 | 66 % | 13 % |
| 13 | Has Canonical URL Authority | -0.13 | 1 | 1 | 65 % | 71 % |