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 | -0.19 | 588 | 143 | 88 % | 84 % |
| 2 | Number of Links Authority | -0.18 | 595 | 157 | 91 % | 81 % |
| 3 | Number of DoFollow Links Authority | -0.18 | 585 | 149 | 91 % | 81 % |
| 4 | Number of Internal Links Authority | -0.18 | 572 | 137 | 91 % | 80 % |
| 5 | Number of External Links Authority | -0.18 | 268 | 21 | 87 % | 80 % |
| 6 | Ahrefs Internal Links Authority | -0.18 | 265 | 80 | 69 % | 14 % |
| 7 | Number of Absolute URLs Authority | -0.17 | 1307 | 198 | 95 % | 81 % |
| 8 | Ahrefs External Links Authority | -0.17 | 82 | 16 | 63 % | 14 % |
| 9 | Number of DoFollow External Links Authority | -0.16 | 176 | 17 | 84 % | 77 % |
| 10 | Has Privacy Policy Trust | -0.16 | 1 | 1 | 64 % | 72 % |
| 11 | Number of Nofollow Links Authority | -0.16 | 239 | 9 | 40 % | 81 % |
| 12 | Has Terms of Service Trust | -0.15 | 1 | 1 | 43 % | 71 % |
| 13 | Number of NoFollow External Links Authority | -0.15 | 234 | 5 | 28 % | 80 % |
| 14 | Ahrefs Has Internal Links Authority | -0.15 | 1 | 1 | 67 % | 12 % |
| 15 | Percentage of DoFollow Links Authority | -0.15 | 100 | 92 | 90 % | 64 % |
| 16 | Percentage of DoFollow External Links Authority | -0.15 | 66 | 14 | 82 % | 63 % |
| 17 | Percentage of NoFollow Links Authority | -0.14 | 22 | 6 | 38 % | 75 % |
| 18 | Percentage of DoFollow Internal Links Authority | -0.14 | 94 | 79 | 90 % | 67 % |
| 19 | Percentage of NoFollow External Links Authority | -0.14 | 19 | 3 | 26 % | 75 % |
| 20 | Percentage of NoFollow Internal Links Authority | -0.13 | 16 | 3 | 26 % | 70 % |
| 21 | Has Rel Pagination Authority | -0.12 | 1 | 1 | 7 % | 60 % |
| 22 | Has Rel Next Link Authority | -0.12 | 1 | 1 | 7 % | 60 % |
| 23 | Has RSS Link Authority | -0.11 | 1 | 1 | 33 % | 48 % |
| 24 | Number of PingBacks Authority | -0.1 | 1 | 1 | 19 % | 48 % |
| 25 | Number of Rel Author Links Authority | -0.1 | 10 | 1 | 7 % | 56 % |
| 26 | Has Rel Prev Link Authority | -0.08 | 1 | 1 | 3 % | 32 % |