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 | -0.25 | 1726 | 46 | 56 % | 18 % |
| 2 | Ahrefs Referring IP Addresses Authority | -0.25 | 2803 | 66 | 56 % | 18 % |
| 3 | Ahrefs Referring Domains Authority | -0.24 | 16556 | 185 | 56 % | 18 % |
| 4 | Ahrefs Text Backlinks Authority | -0.23 | 2403449 | 15434 | 56 % | 18 % |
| 5 | Ahrefs Backlinks Authority | -0.23 | 2403474 | 15509 | 57 % | 18 % |
| 6 | Ahrefs Referring Pages Authority | -0.23 | 2403469 | 15532 | 57 % | 18 % |
| 7 | Ahrefs NoFollow Backlinks Authority | -0.23 | 103227 | 717 | 46 % | 19 % |
| 8 | Ahrefs Dofollow Backlinks Authority | -0.22 | 2300222 | 14946 | 49 % | 18 % |
| 9 | Ahrefs Has Text Backlinks Authority | -0.21 | 1 | 1 | 55 % | 18 % |
| 10 | Ahrefs Has Backlinks Authority | -0.2 | 1 | 1 | 56 % | 18 % |
| 11 | Ahrefs Has Dofollow Backlinks Authority | -0.2 | 1 | 1 | 48 % | 17 % |
| 12 | Ahrefs Has NoFollow Backlinks Authority | -0.2 | 1 | 1 | 46 % | 18 % |
| 13 | Ahrefs Has Image Backlinks Authority | -0.17 | 1 | 1 | 22 % | 15 % |
| 14 | Ahrefs Linked Root Domains Authority | -0.16 | 25 | 7 | 68 % | 18 % |
| 15 | Ahrefs Has External Links Authority | -0.15 | 1 | 1 | 61 % | 16 % |
| 16 | Ahrefs Has Linked Root Domains Authority | -0.15 | 1 | 1 | 67 % | 15 % |
| 17 | Has Canonical URL Authority | -0.14 | 1 | 1 | 69 % | 67 % |
| 18 | Ahrefs Redirects Authority | -0.13 | 133 | 3 | 11 % | 15 % |
| 19 | Ahrefs Has Redirects Authority | -0.12 | 1 | 1 | 11 % | 14 % |