Top SEO Factor data is updated daily for latest "month to date" measurements.
| Name | Correlation | #1 Max | Page 1 Avg | Usage % | Searches % | |
| 1 | Ahrefs Internal Links Authority | -0.21 | 200 | 82 | 66 % | 18 % |
| 2 | Ahrefs External Links Authority | -0.2 | 76 | 16 | 61 % | 18 % |
| 3 | Ahrefs Has Internal Links Authority | -0.2 | 1 | 1 | 63 % | 15 % |
| 4 | Number of HTTPS Links Authority | -0.18 | 374 | 136 | 86 % | 84 % |
| 5 | Number of Links Authority | -0.18 | 402 | 148 | 89 % | 82 % |
| 6 | Number of DoFollow Links Authority | -0.18 | 379 | 141 | 89 % | 81 % |
| 7 | Number of Internal Links Authority | -0.18 | 390 | 128 | 88 % | 81 % |
| 8 | Number of External Links Authority | -0.17 | 220 | 21 | 83 % | 79 % |
| 9 | Number of Absolute URLs Authority | -0.17 | 606 | 192 | 93 % | 81 % |
| 10 | Percentage of DoFollow Internal Links Authority | -0.16 | 97 | 78 | 86 % | 69 % |
| 11 | Number of DoFollow External Links Authority | -0.15 | 218 | 17 | 81 % | 77 % |
| 12 | Percentage of DoFollow Links Authority | -0.15 | 100 | 90 | 86 % | 69 % |
| 13 | Has Privacy Policy Trust | -0.15 | 1 | 1 | 61 % | 76 % |
| 14 | Number of NoFollow External Links Authority | -0.14 | 35 | 5 | 27 % | 79 % |
| 15 | Number of Nofollow Links Authority | -0.14 | 42 | 8 | 39 % | 81 % |
| 16 | Has Terms of Service Trust | -0.14 | 1 | 1 | 43 % | 75 % |
| 17 | Percentage of DoFollow External Links Authority | -0.13 | 32 | 14 | 79 % | 65 % |
| 18 | Percentage of NoFollow Links Authority | -0.13 | 22 | 6 | 37 % | 75 % |
| 19 | Percentage of NoFollow External Links Authority | -0.13 | 19 | 3 | 25 % | 74 % |
| 20 | Has Rel Next Link Authority | -0.12 | 1 | 1 | 7 % | 58 % |
| 21 | Percentage of NoFollow Internal Links Authority | -0.12 | 17 | 3 | 25 % | 68 % |
| 22 | Has Rel Pagination Authority | -0.12 | 1 | 1 | 7 % | 58 % |
| 23 | Has RSS Link Authority | -0.11 | 1 | 1 | 33 % | 48 % |
| 24 | Number of PingBacks Authority | -0.1 | 1 | 1 | 19 % | 47 % |
| 25 | Number of Rel Author Links Authority | -0.09 | 2 | 1 | 7 % | 53 % |
| 26 | Has Rel Prev Link Authority | -0.07 | 1 | 1 | 3 % | 36 % |