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 | 516 | 149 | 89 % | 84 % |
| 2 | Number of Internal Links Authority | -0.16 | 502 | 136 | 90 % | 84 % |
| 3 | Number of Links Authority | -0.16 | 518 | 154 | 91 % | 84 % |
| 4 | Number of DoFollow Links Authority | -0.16 | 505 | 148 | 91 % | 84 % |
| 5 | Number of Absolute URLs Authority | -0.14 | 446 | 142 | 91 % | 80 % |
| 6 | Percentage of DoFollow Internal Links Authority | -0.13 | 98 | 77 | 89 % | 75 % |
| 7 | Number of External Links Authority | -0.13 | 73 | 18 | 85 % | 70 % |
| 8 | Ahrefs Internal Links Authority | -0.13 | 385 | 86 | 59 % | 16 % |
| 9 | Ahrefs External Links Authority | -0.12 | 74 | 17 | 55 % | 16 % |
| 10 | Number of Nofollow Links Authority | -0.12 | 34 | 6 | 35 % | 79 % |
| 11 | Number of DoFollow External Links Authority | -0.12 | 70 | 15 | 82 % | 67 % |
| 12 | Number of NoFollow External Links Authority | -0.12 | 27 | 3 | 24 % | 78 % |
| 13 | Has Privacy Policy Trust | -0.11 | 1 | 1 | 55 % | 71 % |
| 14 | Percentage of NoFollow Links Authority | -0.11 | 18 | 4 | 33 % | 70 % |
| 15 | Percentage of NoFollow External Links Authority | -0.11 | 15 | 3 | 22 % | 71 % |
| 16 | Percentage of DoFollow Links Authority | -0.11 | 100 | 89 | 89 % | 67 % |
| 17 | Ahrefs Has Internal Links Authority | -0.1 | 1 | 1 | 56 % | 15 % |
| 18 | Percentage of NoFollow Internal Links Authority | -0.1 | 11 | 2 | 22 % | 69 % |
| 19 | Has Terms of Service Trust | -0.1 | 1 | 1 | 38 % | 65 % |
| 20 | Has RSS Link Authority | -0.09 | 1 | 1 | 33 % | 46 % |
| 21 | Percentage of DoFollow External Links Authority | -0.09 | 33 | 13 | 81 % | 52 % |
| 22 | Number of PingBacks Authority | -0.09 | 1 | 1 | 15 % | 48 % |
| 23 | Number of Rel Author Links Authority | -0.07 | 4 | 1 | 5 % | 59 % |
| 24 | Number of Sponsored Links Authority | -0 | 1 | 0 | 0 % | 92 % |
| 25 | Number of UGC Links Authority | -0 | 1 | 0 | 0 % | 92 % |
| 26 | Number of MailTo Links Trust | -0 | 1 | 0 | 0 % | 97 % |
| 27 | Has Rel Next Link Authority | -0 | 1 | 0 | 0 % | 98 % |
| 28 | Has Rel Pagination Authority | -0 | 1 | 0 | 0 % | 98 % |
| 29 | Has Rel Prev Link Authority | 0 | 0 | 0 | 0 % | 99 % |