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 | -0.28 | 1043 | 47 | 60 % | 16 % |
| 2 | Ahrefs Referring Domains Authority | -0.28 | 1789 | 70 | 60 % | 16 % |
| 3 | Ahrefs Referring IP Addresses Authority | -0.28 | 1536 | 58 | 60 % | 16 % |
| 4 | Ahrefs NoFollow Backlinks Authority | -0.28 | 10706 | 324 | 48 % | 15 % |
| 5 | Ahrefs Text Backlinks Authority | -0.27 | 474560 | 7418 | 60 % | 15 % |
| 6 | Ahrefs Referring Pages Authority | -0.27 | 474571 | 7457 | 61 % | 15 % |
| 7 | Ahrefs Backlinks Authority | -0.27 | 474571 | 7458 | 61 % | 15 % |
| 8 | Ahrefs Dofollow Backlinks Authority | -0.25 | 471503 | 6858 | 51 % | 15 % |
| 9 | Ahrefs Has NoFollow Backlinks Authority | -0.24 | 1 | 1 | 48 % | 15 % |
| 10 | Ahrefs Has Dofollow Backlinks Authority | -0.22 | 1 | 1 | 50 % | 15 % |
| 11 | Ahrefs Has Text Backlinks Authority | -0.22 | 1 | 1 | 59 % | 15 % |
| 12 | Ahrefs Has Backlinks Authority | -0.21 | 1 | 1 | 60 % | 15 % |
| 13 | Ahrefs Has Image Backlinks Authority | -0.18 | 1 | 1 | 21 % | 13 % |
| 14 | Ahrefs Linked Root Domains Authority | -0.17 | 19 | 7 | 69 % | 15 % |
| 15 | Ahrefs Redirects Authority | -0.15 | 114 | 4 | 13 % | 12 % |
| 16 | Ahrefs Has External Links Authority | -0.15 | 1 | 1 | 63 % | 13 % |
| 17 | Ahrefs Has Linked Root Domains Authority | -0.15 | 1 | 1 | 68 % | 13 % |
| 18 | Has Canonical URL Authority | -0.14 | 1 | 1 | 73 % | 71 % |