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 | -0.18 | 545 | 148 | 90 % | 85 % |
| 2 | Number of Internal Links Authority | -0.18 | 531 | 139 | 91 % | 85 % |
| 3 | Number of Links Authority | -0.17 | 549 | 156 | 92 % | 83 % |
| 4 | Number of DoFollow Links Authority | -0.17 | 538 | 150 | 92 % | 82 % |
| 5 | Number of Absolute URLs Authority | -0.16 | 438 | 146 | 93 % | 84 % |
| 6 | Number of Nofollow Links Authority | -0.13 | 49 | 7 | 38 % | 79 % |
| 7 | Percentage of DoFollow Internal Links Authority | -0.12 | 94 | 81 | 91 % | 72 % |
| 8 | Number of External Links Authority | -0.12 | 56 | 18 | 86 % | 76 % |
| 9 | Ahrefs Internal Links Authority | -0.12 | 467 | 78 | 52 % | 44 % |
| 10 | Has Privacy Policy Trust | -0.12 | 1 | 1 | 58 % | 79 % |
| 11 | Number of NoFollow External Links Authority | -0.11 | 22 | 3 | 26 % | 77 % |
| 12 | Number of DoFollow External Links Authority | -0.11 | 43 | 16 | 84 % | 76 % |
| 13 | Percentage of NoFollow Links Authority | -0.11 | 19 | 5 | 37 % | 74 % |
| 14 | Has Terms of Service Trust | -0.11 | 1 | 1 | 38 % | 75 % |
| 15 | Percentage of DoFollow Links Authority | -0.1 | 100 | 93 | 91 % | 68 % |
| 16 | Percentage of NoFollow External Links Authority | -0.1 | 15 | 2 | 24 % | 73 % |
| 17 | Percentage of NoFollow Internal Links Authority | -0.1 | 16 | 3 | 25 % | 74 % |
| 18 | Ahrefs Has Internal Links Authority | -0.09 | 1 | 1 | 49 % | 39 % |
| 19 | Ahrefs External Links Authority | -0.09 | 61 | 13 | 49 % | 42 % |
| 20 | Has RSS Link Authority | -0.08 | 1 | 1 | 35 % | 53 % |
| 21 | Number of PingBacks Authority | -0.07 | 1 | 1 | 19 % | 57 % |
| 22 | Percentage of DoFollow External Links Authority | -0.07 | 25 | 13 | 82 % | 57 % |
| 23 | Number of Rel Author Links Authority | -0.06 | 1 | 1 | 5 % | 60 % |
| 24 | Number of Sponsored Links Authority | -0 | 1 | 0 | 0 % | 30 % |
| 25 | Number of UGC Links Authority | -0 | 1 | 0 | 0 % | 30 % |
| 26 | Has Rel Next Link Authority | -0 | 1 | 0 | 0 % | 95 % |
| 27 | Has Rel Pagination Authority | -0 | 1 | 0 | 0 % | 95 % |
| 28 | Number of MailTo Links Trust | -0 | 1 | 0 | 0 % | 96 % |
| 29 | Has Rel Prev Link Authority | -0 | 1 | 0 | 0 % | 98 % |