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 Internal Links Authority | -0.22 | 503 | 143 | 88 % | 80 % |
| 2 | Number of DoFollow Links Authority | -0.22 | 512 | 154 | 88 % | 78 % |
| 3 | Number of Links Authority | -0.21 | 526 | 162 | 88 % | 81 % |
| 4 | Number of HTTPS Links Authority | -0.21 | 523 | 151 | 86 % | 86 % |
| 5 | Number of Absolute URLs Authority | -0.18 | 427 | 147 | 91 % | 81 % |
| 6 | Percentage of DoFollow Internal Links Authority | -0.17 | 95 | 79 | 87 % | 69 % |
| 7 | Percentage of DoFollow Links Authority | -0.15 | 100 | 91 | 87 % | 67 % |
| 8 | Number of External Links Authority | -0.14 | 69 | 19 | 83 % | 80 % |
| 9 | Number of DoFollow External Links Authority | -0.14 | 39 | 16 | 80 % | 78 % |
| 10 | Number of Nofollow Links Authority | -0.14 | 36 | 9 | 40 % | 77 % |
| 11 | Ahrefs Internal Links Authority | -0.14 | 440 | 77 | 64 % | 23 % |
| 12 | Percentage of NoFollow Links Authority | -0.13 | 23 | 5 | 38 % | 71 % |
| 13 | Number of NoFollow External Links Authority | -0.12 | 33 | 4 | 27 % | 68 % |
| 14 | Has Privacy Policy Trust | -0.12 | 1 | 1 | 49 % | 73 % |
| 15 | Ahrefs External Links Authority | -0.12 | 632 | 19 | 61 % | 23 % |
| 16 | Percentage of NoFollow External Links Authority | -0.12 | 19 | 3 | 25 % | 65 % |
| 17 | Percentage of NoFollow Internal Links Authority | -0.12 | 11 | 3 | 28 % | 72 % |
| 18 | Has Terms of Service Trust | -0.11 | 1 | 1 | 34 % | 62 % |
| 19 | Percentage of DoFollow External Links Authority | -0.1 | 26 | 12 | 78 % | 59 % |
| 20 | Ahrefs Has Internal Links Authority | -0.1 | 1 | 1 | 62 % | 20 % |
| 21 | Has RSS Link Authority | -0.09 | 1 | 1 | 36 % | 41 % |
| 22 | Number of PingBacks Authority | -0.08 | 1 | 1 | 18 % | 40 % |
| 23 | Number of Rel Author Links Authority | -0.07 | 2 | 1 | 6 % | 58 % |
| 24 | Number of MailTo Links Trust | -0 | 1 | 0 | 0 % | 94 % |
| 25 | Has Rel Next Link Authority | -0 | 1 | 0 | 0 % | 96 % |
| 26 | Has Rel Pagination Authority | -0 | 1 | 0 | 0 % | 96 % |
| 27 | Has Rel Prev Link Authority | -0 | 1 | 0 | 0 % | 98 % |