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 DoFollow External Links Authority | -0.18 | 56 | 12 | 73 % | 88 % |
| 2 | Number of External Links Authority | -0.17 | 60 | 13 | 73 % | 90 % |
| 3 | Number of DoFollow Links Authority | -0.17 | 578 | 131 | 78 % | 88 % |
| 4 | Number of Links Authority | -0.17 | 585 | 133 | 78 % | 88 % |
| 5 | Number of HTTPS Links Authority | -0.17 | 585 | 132 | 78 % | 88 % |
| 6 | Number of Internal Links Authority | -0.17 | 573 | 121 | 77 % | 87 % |
| 7 | Percentage of DoFollow External Links Authority | -0.14 | 26 | 11 | 72 % | 83 % |
| 8 | Percentage of DoFollow Links Authority | -0.14 | 99 | 83 | 78 % | 81 % |
| 9 | Percentage of DoFollow Internal Links Authority | -0.13 | 91 | 72 | 76 % | 76 % |
| 10 | Number of Absolute URLs Authority | -0.13 | 1524 | 253 | 82 % | 66 % |
| 11 | Number of Nofollow Links Authority | -0.12 | 20 | 3 | 21 % | 79 % |
| 12 | Number of NoFollow External Links Authority | -0.11 | 19 | 2 | 14 % | 80 % |
| 13 | Has Privacy Policy Trust | -0.11 | 1 | 1 | 56 % | 66 % |
| 14 | Percentage of NoFollow Links Authority | -0.11 | 7 | 2 | 19 % | 78 % |
| 15 | Percentage of NoFollow External Links Authority | -0.11 | 5 | 1 | 12 % | 80 % |
| 16 | Has RSS Link Authority | -0.1 | 1 | 1 | 25 % | 62 % |
| 17 | Percentage of NoFollow Internal Links Authority | -0.1 | 4 | 1 | 10 % | 67 % |
| 18 | Has Terms of Service Trust | -0.09 | 1 | 1 | 33 % | 59 % |
| 19 | Number of PingBacks Authority | -0.08 | 1 | 1 | 8 % | 66 % |
| 20 | Number of Rel Author Links Authority | -0.06 | 2 | 1 | 3 % | 68 % |
| 21 | Has Rel Pagination Authority | -0.04 | 1 | 0 | 1 % | 83 % |
| 22 | Has Rel Next Link Authority | -0.04 | 1 | 0 | 1 % | 83 % |
| 23 | Number of Sponsored Links Authority | -0.01 | 1 | 0 | 0 % | 93 % |
| 24 | Number of UGC Links Authority | -0.01 | 1 | 0 | 0 % | 93 % |
| 25 | Has Rel Prev Link Authority | -0.01 | 1 | 0 | 0 % | 94 % |
| 26 | Number of MailTo Links Trust | -0 | 1 | 0 | 0 % | 96 % |
| 27 | Ahrefs External Links Authority | 0 | 0 | 0 | 0 % | 83 % |
| 28 | Ahrefs Has Internal Links Authority | 0 | 0 | 0 | 0 % | 83 % |
| 29 | Ahrefs Internal Links Authority | 0 | 0 | 0 | 0 % | 83 % |