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 | -0.2 | 470 | 139 | 88 % | 81 % |
| 2 | Number of Links Authority | -0.19 | 479 | 151 | 91 % | 79 % |
| 3 | Number of Internal Links Authority | -0.19 | 461 | 132 | 91 % | 78 % |
| 4 | Number of DoFollow Links Authority | -0.19 | 467 | 143 | 91 % | 79 % |
| 5 | Ahrefs Internal Links Authority | -0.19 | 269 | 86 | 69 % | 15 % |
| 6 | Number of External Links Authority | -0.17 | 179 | 20 | 86 % | 75 % |
| 7 | Number of Absolute URLs Authority | -0.17 | 1051 | 199 | 94 % | 80 % |
| 8 | Ahrefs External Links Authority | -0.16 | 59 | 15 | 64 % | 14 % |
| 9 | Number of DoFollow External Links Authority | -0.16 | 177 | 16 | 84 % | 73 % |
| 10 | Has Privacy Policy Trust | -0.15 | 1 | 1 | 61 % | 71 % |
| 11 | Ahrefs Has Internal Links Authority | -0.15 | 1 | 1 | 67 % | 13 % |
| 12 | Has Terms of Service Trust | -0.15 | 1 | 1 | 43 % | 68 % |
| 13 | Percentage of DoFollow Internal Links Authority | -0.15 | 94 | 79 | 89 % | 65 % |
| 14 | Number of Nofollow Links Authority | -0.14 | 48 | 8 | 40 % | 80 % |
| 15 | Percentage of DoFollow Links Authority | -0.14 | 100 | 91 | 89 % | 61 % |
| 16 | Number of NoFollow External Links Authority | -0.14 | 28 | 4 | 27 % | 78 % |
| 17 | Percentage of DoFollow External Links Authority | -0.13 | 31 | 14 | 81 % | 58 % |
| 18 | Percentage of NoFollow Links Authority | -0.13 | 22 | 5 | 38 % | 74 % |
| 19 | Percentage of NoFollow External Links Authority | -0.12 | 18 | 3 | 26 % | 73 % |
| 20 | Has Rel Next Link Authority | -0.12 | 1 | 1 | 7 % | 54 % |
| 21 | Percentage of NoFollow Internal Links Authority | -0.12 | 18 | 3 | 26 % | 69 % |
| 22 | Has Rel Pagination Authority | -0.12 | 1 | 1 | 7 % | 54 % |
| 23 | Has RSS Link Authority | -0.11 | 1 | 1 | 37 % | 45 % |
| 24 | Number of Rel Author Links Authority | -0.09 | 2 | 1 | 7 % | 52 % |
| 25 | Number of PingBacks Authority | -0.09 | 1 | 1 | 21 % | 46 % |
| 26 | Has Rel Prev Link Authority | -0.08 | 1 | 1 | 3 % | 31 % |