Top SEO Factor data is updated daily for latest "month to date" measurements.
| Name | Correlation | #1 Max | Page 1 Avg | Usage % | Searches % | |
| 1 | Number of HTTPS Links Authority | -0.17 | 617 | 128 | 87 % | 80 % |
| 2 | Number of Links Authority | -0.17 | 644 | 143 | 91 % | 78 % |
| 3 | Number of Internal Links Authority | -0.17 | 611 | 126 | 90 % | 78 % |
| 4 | Ahrefs Internal Links Authority | -0.17 | 372 | 76 | 66 % | 21 % |
| 5 | Number of Absolute URLs Authority | -0.17 | 861 | 173 | 93 % | 77 % |
| 6 | Number of DoFollow Links Authority | -0.17 | 636 | 137 | 91 % | 78 % |
| 7 | Ahrefs External Links Authority | -0.16 | 94 | 15 | 61 % | 20 % |
| 8 | Number of External Links Authority | -0.16 | 146 | 18 | 85 % | 73 % |
| 9 | Ahrefs Has Internal Links Authority | -0.16 | 1 | 1 | 64 % | 18 % |
| 10 | Number of DoFollow External Links Authority | -0.14 | 164 | 15 | 83 % | 71 % |
| 11 | Percentage of DoFollow Internal Links Authority | -0.14 | 96 | 81 | 89 % | 67 % |
| 12 | Number of Nofollow Links Authority | -0.14 | 168 | 7 | 36 % | 78 % |
| 13 | Number of NoFollow External Links Authority | -0.14 | 55 | 4 | 25 % | 77 % |
| 14 | Has Privacy Policy Trust | -0.14 | 1 | 1 | 59 % | 70 % |
| 15 | Percentage of NoFollow Links Authority | -0.13 | 22 | 5 | 35 % | 72 % |
| 16 | Has Terms of Service Trust | -0.13 | 1 | 1 | 42 % | 67 % |
| 17 | Percentage of NoFollow External Links Authority | -0.13 | 18 | 3 | 23 % | 72 % |
| 18 | Percentage of DoFollow Links Authority | -0.13 | 100 | 94 | 90 % | 64 % |
| 19 | Percentage of DoFollow External Links Authority | -0.12 | 34 | 14 | 81 % | 57 % |
| 20 | Has RSS Link Authority | -0.12 | 1 | 1 | 33 % | 47 % |
| 21 | Has Rel Pagination Authority | -0.12 | 1 | 1 | 7 % | 57 % |
| 22 | Has Rel Next Link Authority | -0.12 | 1 | 1 | 7 % | 57 % |
| 23 | Percentage of NoFollow Internal Links Authority | -0.12 | 11 | 3 | 24 % | 69 % |
| 24 | Number of PingBacks Authority | -0.1 | 1 | 1 | 19 % | 48 % |
| 25 | Number of Rel Author Links Authority | -0.09 | 2 | 1 | 6 % | 49 % |
| 26 | Has Rel Prev Link Authority | -0.08 | 1 | 1 | 3 % | 30 % |