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 | 522 | 144 | 90 % | 85 % |
| 2 | Number of Links Authority | -0.18 | 544 | 154 | 92 % | 84 % |
| 3 | Number of DoFollow Links Authority | -0.18 | 538 | 148 | 92 % | 83 % |
| 4 | Number of Internal Links Authority | -0.18 | 498 | 136 | 92 % | 84 % |
| 5 | Number of Absolute URLs Authority | -0.16 | 523 | 140 | 94 % | 81 % |
| 6 | Ahrefs Internal Links Authority | -0.15 | 303 | 73 | 63 % | 18 % |
| 7 | Number of Nofollow Links Authority | -0.14 | 41 | 7 | 37 % | 79 % |
| 8 | Number of External Links Authority | -0.14 | 393 | 18 | 86 % | 77 % |
| 9 | Ahrefs External Links Authority | -0.14 | 59 | 16 | 59 % | 17 % |
| 10 | Percentage of DoFollow Internal Links Authority | -0.13 | 93 | 81 | 91 % | 66 % |
| 11 | Number of NoFollow External Links Authority | -0.13 | 22 | 3 | 25 % | 78 % |
| 12 | Number of DoFollow External Links Authority | -0.13 | 389 | 16 | 84 % | 75 % |
| 13 | Percentage of NoFollow Links Authority | -0.12 | 19 | 4 | 35 % | 73 % |
| 14 | Percentage of DoFollow Links Authority | -0.12 | 100 | 93 | 91 % | 63 % |
| 15 | Ahrefs Has Internal Links Authority | -0.12 | 1 | 1 | 60 % | 16 % |
| 16 | Percentage of NoFollow Internal Links Authority | -0.12 | 11 | 3 | 24 % | 69 % |
| 17 | Has Privacy Policy Trust | -0.12 | 1 | 1 | 59 % | 74 % |
| 18 | Percentage of NoFollow External Links Authority | -0.11 | 15 | 2 | 23 % | 72 % |
| 19 | Has Terms of Service Trust | -0.11 | 1 | 1 | 42 % | 71 % |
| 20 | Percentage of DoFollow External Links Authority | -0.1 | 28 | 13 | 82 % | 57 % |
| 21 | Number of PingBacks Authority | -0.1 | 1 | 1 | 19 % | 49 % |
| 22 | Has RSS Link Authority | -0.1 | 1 | 1 | 34 % | 44 % |
| 23 | Number of Rel Author Links Authority | -0.08 | 2 | 1 | 5 % | 57 % |
| 24 | Has Rel Pagination Authority | -0 | 1 | 0 | 0 % | 93 % |
| 25 | Has Rel Next Link Authority | -0 | 1 | 0 | 0 % | 93 % |
| 26 | Number of MailTo Links Trust | -0 | 1 | 0 | 0 % | 94 % |
| 27 | Has Rel Prev Link Authority | -0 | 1 | 0 | 0 % | 92 % |