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 | 582 | 146 | 92 % | 88 % |
| 2 | Number of Links Authority | -0.17 | 591 | 153 | 94 % | 86 % |
| 3 | Number of Internal Links Authority | -0.17 | 583 | 138 | 93 % | 87 % |
| 4 | Number of DoFollow Links Authority | -0.17 | 567 | 147 | 93 % | 86 % |
| 5 | Number of Absolute URLs Authority | -0.15 | 372 | 129 | 94 % | 83 % |
| 6 | Ahrefs Internal Links Authority | -0.15 | 353 | 90 | 68 % | 26 % |
| 7 | Number of External Links Authority | -0.14 | 57 | 16 | 87 % | 80 % |
| 8 | Ahrefs External Links Authority | -0.14 | 106 | 17 | 64 % | 25 % |
| 9 | Number of DoFollow External Links Authority | -0.13 | 50 | 14 | 84 % | 77 % |
| 10 | Number of Nofollow Links Authority | -0.13 | 46 | 7 | 36 % | 81 % |
| 11 | Has Privacy Policy Trust | -0.12 | 1 | 1 | 54 % | 76 % |
| 12 | Percentage of DoFollow Internal Links Authority | -0.12 | 95 | 80 | 92 % | 70 % |
| 13 | Ahrefs Has Internal Links Authority | -0.12 | 1 | 1 | 66 % | 22 % |
| 14 | Number of NoFollow External Links Authority | -0.12 | 23 | 3 | 24 % | 81 % |
| 15 | Percentage of NoFollow Links Authority | -0.11 | 18 | 5 | 34 % | 70 % |
| 16 | Has Terms of Service Trust | -0.11 | 1 | 1 | 36 % | 72 % |
| 17 | Percentage of DoFollow Links Authority | -0.1 | 100 | 93 | 93 % | 68 % |
| 18 | Percentage of NoFollow Internal Links Authority | -0.1 | 9 | 3 | 23 % | 70 % |
| 19 | Percentage of NoFollow External Links Authority | -0.1 | 15 | 2 | 22 % | 73 % |
| 20 | Percentage of DoFollow External Links Authority | -0.1 | 25 | 13 | 82 % | 60 % |
| 21 | Has RSS Link Authority | -0.1 | 1 | 1 | 33 % | 47 % |
| 22 | Number of PingBacks Authority | -0.08 | 1 | 1 | 16 % | 47 % |
| 23 | Number of Rel Author Links Authority | -0.07 | 1 | 1 | 4 % | 64 % |
| 24 | Number of Sponsored Links Authority | -0 | 1 | 0 | 0 % | 90 % |
| 25 | Number of UGC Links Authority | -0 | 1 | 0 | 0 % | 90 % |
| 26 | Has Rel Next Link Authority | -0 | 1 | 0 | 0 % | 98 % |
| 27 | Has Rel Pagination Authority | -0 | 1 | 0 | 0 % | 98 % |
| 28 | Number of MailTo Links Trust | -0 | 1 | 0 | 0 % | 98 % |
| 29 | Has Rel Prev Link Authority | 0 | 0 | 0 | 0 % | 100 % |