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 | -0.18 | 499 | 154 | 88 % | 86 % |
| 2 | Number of Links Authority | -0.17 | 504 | 167 | 91 % | 83 % |
| 3 | Number of Internal Links Authority | -0.17 | 491 | 150 | 90 % | 84 % |
| 4 | Number of DoFollow Links Authority | -0.17 | 500 | 160 | 91 % | 83 % |
| 5 | Ahrefs Internal Links Authority | -0.16 | 409 | 70 | 53 % | 17 % |
| 6 | Number of Absolute URLs Authority | -0.15 | 970 | 144 | 92 % | 81 % |
| 7 | Number of External Links Authority | -0.15 | 139 | 18 | 84 % | 71 % |
| 8 | Ahrefs External Links Authority | -0.14 | 165 | 14 | 49 % | 17 % |
| 9 | Ahrefs Has Internal Links Authority | -0.14 | 1 | 1 | 52 % | 17 % |
| 10 | Number of Nofollow Links Authority | -0.14 | 153 | 8 | 39 % | 76 % |
| 11 | Number of DoFollow External Links Authority | -0.14 | 131 | 15 | 82 % | 72 % |
| 12 | Percentage of DoFollow Internal Links Authority | -0.13 | 94 | 81 | 89 % | 70 % |
| 13 | Number of NoFollow External Links Authority | -0.13 | 38 | 3 | 26 % | 75 % |
| 14 | Percentage of NoFollow Links Authority | -0.13 | 26 | 5 | 38 % | 70 % |
| 15 | Has Privacy Policy Trust | -0.13 | 1 | 1 | 48 % | 72 % |
| 16 | Percentage of NoFollow External Links Authority | -0.12 | 17 | 3 | 25 % | 69 % |
| 17 | Percentage of NoFollow Internal Links Authority | -0.11 | 20 | 3 | 28 % | 69 % |
| 18 | Has Terms of Service Trust | -0.11 | 1 | 1 | 35 % | 69 % |
| 19 | Percentage of DoFollow Links Authority | -0.11 | 100 | 92 | 90 % | 69 % |
| 20 | Percentage of DoFollow External Links Authority | -0.1 | 42 | 12 | 79 % | 58 % |
| 21 | Has RSS Link Authority | -0.09 | 1 | 1 | 33 % | 44 % |
| 22 | Number of PingBacks Authority | -0.08 | 1 | 1 | 18 % | 45 % |
| 23 | Number of Rel Author Links Authority | -0.07 | 1 | 1 | 5 % | 58 % |
| 24 | Has Rel Pagination Authority | -0 | 1 | 0 | 0 % | 96 % |
| 25 | Number of MailTo Links Trust | -0 | 1 | 0 | 0 % | 93 % |
| 26 | Has Rel Next Link Authority | -0 | 1 | 0 | 0 % | 95 % |
| 27 | Has Rel Prev Link Authority | -0 | 1 | 0 | 0 % | 97 % |