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 | -0.16 | 386 | 127 | 92 % | 82 % |
| 2 | Number of DoFollow Links Authority | -0.16 | 379 | 127 | 93 % | 81 % |
| 3 | Number of Internal Links Authority | -0.15 | 359 | 114 | 92 % | 82 % |
| 4 | Number of Links Authority | -0.15 | 387 | 131 | 93 % | 82 % |
| 5 | Number of Absolute URLs Authority | -0.14 | 351 | 126 | 94 % | 82 % |
| 6 | Number of External Links Authority | -0.13 | 68 | 18 | 89 % | 76 % |
| 7 | Percentage of DoFollow Internal Links Authority | -0.12 | 94 | 79 | 91 % | 74 % |
| 8 | Ahrefs Internal Links Authority | -0.12 | 330 | 71 | 46 % | 17 % |
| 9 | Percentage of DoFollow Links Authority | -0.12 | 100 | 93 | 93 % | 71 % |
| 10 | Number of DoFollow External Links Authority | -0.12 | 58 | 16 | 87 % | 76 % |
| 11 | Has Privacy Policy Trust | -0.12 | 1 | 1 | 63 % | 73 % |
| 12 | Number of NoFollow External Links Authority | -0.12 | 21 | 3 | 26 % | 75 % |
| 13 | Number of Nofollow Links Authority | -0.11 | 31 | 5 | 34 % | 74 % |
| 14 | Has Terms of Service Trust | -0.11 | 1 | 1 | 42 % | 71 % |
| 15 | Percentage of NoFollow External Links Authority | -0.11 | 17 | 2 | 25 % | 71 % |
| 16 | Ahrefs External Links Authority | -0.11 | 427 | 16 | 43 % | 17 % |
| 17 | Percentage of NoFollow Links Authority | -0.1 | 19 | 3 | 33 % | 68 % |
| 18 | Percentage of DoFollow External Links Authority | -0.1 | 34 | 15 | 86 % | 61 % |
| 19 | Ahrefs Has Internal Links Authority | -0.09 | 1 | 1 | 43 % | 15 % |
| 20 | Percentage of NoFollow Internal Links Authority | -0.09 | 9 | 2 | 19 % | 64 % |
| 21 | Has RSS Link Authority | -0.07 | 1 | 1 | 33 % | 51 % |
| 22 | Number of Rel Author Links Authority | -0.06 | 1 | 1 | 4 % | 62 % |
| 23 | Number of PingBacks Authority | -0.06 | 1 | 1 | 16 % | 55 % |
| 24 | Number of Sponsored Links Authority | -0 | 1 | 0 | 0 % | 96 % |
| 25 | Number of UGC Links Authority | -0 | 1 | 0 | 0 % | 96 % |
| 26 | Number of MailTo Links Trust | -0 | 1 | 0 | 0 % | 98 % |
| 27 | Has Rel Next Link Authority | -0 | 1 | 0 | 0 % | 97 % |
| 28 | Has Rel Pagination Authority | -0 | 1 | 0 | 0 % | 97 % |
| 29 | Has Rel Prev Link Authority | 0 | 0 | 0 | 0 % | 99 % |