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 | 1201 | 47 | 57 % | 17 % |
| 2 | Ahrefs Referring IP Addresses Authority | -0.25 | 2453 | 69 | 57 % | 17 % |
| 3 | Ahrefs Referring Domains Authority | -0.25 | 18401 | 223 | 57 % | 17 % |
| 4 | Ahrefs NoFollow Backlinks Authority | -0.24 | 46370 | 1311 | 47 % | 16 % |
| 5 | Ahrefs Text Backlinks Authority | -0.24 | 1215707 | 24857 | 57 % | 16 % |
| 6 | Ahrefs Backlinks Authority | -0.24 | 1216429 | 24814 | 58 % | 17 % |
| 7 | Ahrefs Referring Pages Authority | -0.24 | 1216428 | 24814 | 58 % | 17 % |
| 8 | Ahrefs Has NoFollow Backlinks Authority | -0.22 | 1 | 1 | 47 % | 17 % |
| 9 | Ahrefs Dofollow Backlinks Authority | -0.22 | 1177467 | 23796 | 50 % | 16 % |
| 10 | Ahrefs Has Text Backlinks Authority | -0.22 | 1 | 1 | 56 % | 17 % |
| 11 | Ahrefs Has Backlinks Authority | -0.21 | 1 | 1 | 56 % | 17 % |
| 12 | Ahrefs Has Dofollow Backlinks Authority | -0.2 | 1 | 1 | 49 % | 16 % |
| 13 | Ahrefs Has Image Backlinks Authority | -0.17 | 1 | 1 | 22 % | 13 % |
| 14 | Ahrefs Linked Root Domains Authority | -0.17 | 23 | 7 | 66 % | 16 % |
| 15 | Ahrefs Has External Links Authority | -0.15 | 1 | 1 | 60 % | 15 % |
| 16 | Ahrefs Has Linked Root Domains Authority | -0.15 | 1 | 1 | 66 % | 15 % |
| 17 | Ahrefs Redirects Authority | -0.14 | 42 | 2 | 12 % | 13 % |
| 18 | Ahrefs Has Redirects Authority | -0.13 | 1 | 1 | 12 % | 12 % |
| 19 | Has Canonical URL Authority | -0.13 | 1 | 1 | 65 % | 74 % |