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 | 547 | 136 | 88 % | 72 % |
| 2 | Number of Links Authority | -0.17 | 551 | 145 | 91 % | 70 % |
| 3 | Number of DoFollow Links Authority | -0.17 | 538 | 139 | 91 % | 69 % |
| 4 | Number of Internal Links Authority | -0.17 | 527 | 128 | 90 % | 72 % |
| 5 | Number of Absolute URLs Authority | -0.16 | 441 | 134 | 92 % | 74 % |
| 6 | Number of External Links Authority | -0.15 | 65 | 17 | 83 % | 70 % |
| 7 | Ahrefs Internal Links Authority | -0.14 | 460 | 91 | 63 % | 30 % |
| 8 | Number of DoFollow External Links Authority | -0.14 | 59 | 15 | 81 % | 68 % |
| 9 | Has Privacy Policy Trust | -0.13 | 1 | 1 | 49 % | 66 % |
| 10 | Percentage of DoFollow Links Authority | -0.13 | 100 | 93 | 89 % | 57 % |
| 11 | Number of NoFollow External Links Authority | -0.13 | 21 | 3 | 25 % | 70 % |
| 12 | Number of Nofollow Links Authority | -0.13 | 35 | 6 | 35 % | 70 % |
| 13 | Ahrefs External Links Authority | -0.13 | 74 | 17 | 59 % | 28 % |
| 14 | Percentage of DoFollow External Links Authority | -0.12 | 32 | 14 | 79 % | 57 % |
| 15 | Has Terms of Service Trust | -0.12 | 1 | 1 | 35 % | 66 % |
| 16 | Percentage of NoFollow External Links Authority | -0.12 | 16 | 2 | 23 % | 65 % |
| 17 | Percentage of NoFollow Links Authority | -0.12 | 19 | 4 | 36 % | 66 % |
| 18 | Ahrefs Has Internal Links Authority | -0.12 | 1 | 1 | 61 % | 25 % |
| 19 | Percentage of DoFollow Internal Links Authority | -0.11 | 92 | 81 | 89 % | 58 % |
| 20 | Percentage of NoFollow Internal Links Authority | -0.11 | 9 | 3 | 25 % | 63 % |
| 21 | Has RSS Link Authority | -0.1 | 1 | 1 | 35 % | 45 % |
| 22 | Number of PingBacks Authority | -0.1 | 1 | 1 | 21 % | 43 % |
| 23 | Number of Rel Author Links Authority | -0.08 | 4 | 1 | 5 % | 54 % |
| 24 | Number of MailTo Links Trust | -0 | 1 | 0 | 0 % | 85 % |
| 25 | Has Rel Next Link Authority | -0 | 1 | 0 | 0 % | 85 % |
| 26 | Has Rel Pagination Authority | -0 | 1 | 0 | 0 % | 85 % |
| 27 | Has Rel Prev Link Authority | -0 | 1 | 0 | 0 % | 88 % |