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 | -0.19 | 458 | 156 | 91 % | 88 % |
| 2 | Number of Links Authority | -0.19 | 459 | 161 | 92 % | 88 % |
| 3 | Number of Internal Links Authority | -0.19 | 436 | 144 | 91 % | 88 % |
| 4 | Number of DoFollow Links Authority | -0.19 | 448 | 155 | 92 % | 87 % |
| 5 | Number of Absolute URLs Authority | -0.18 | 538 | 152 | 93 % | 88 % |
| 6 | Number of External Links Authority | -0.15 | 64 | 18 | 86 % | 83 % |
| 7 | Number of DoFollow External Links Authority | -0.14 | 43 | 15 | 83 % | 80 % |
| 8 | Number of Nofollow Links Authority | -0.14 | 55 | 7 | 36 % | 83 % |
| 9 | Percentage of DoFollow Internal Links Authority | -0.14 | 94 | 81 | 90 % | 69 % |
| 10 | Has Privacy Policy Trust | -0.14 | 1 | 1 | 57 % | 77 % |
| 11 | Number of NoFollow External Links Authority | -0.13 | 27 | 3 | 25 % | 82 % |
| 12 | Percentage of DoFollow Links Authority | -0.12 | 100 | 93 | 91 % | 67 % |
| 13 | Percentage of NoFollow External Links Authority | -0.12 | 20 | 2 | 23 % | 76 % |
| 14 | Percentage of NoFollow Links Authority | -0.12 | 23 | 4 | 34 % | 79 % |
| 15 | Ahrefs Internal Links Authority | -0.12 | 378 | 92 | 57 % | 23 % |
| 16 | Has Terms of Service Trust | -0.11 | 1 | 1 | 38 % | 74 % |
| 17 | Percentage of NoFollow Internal Links Authority | -0.11 | 15 | 3 | 23 % | 72 % |
| 18 | Ahrefs External Links Authority | -0.1 | 86 | 15 | 51 % | 21 % |
| 19 | Percentage of DoFollow External Links Authority | -0.1 | 32 | 12 | 82 % | 63 % |
| 20 | Ahrefs Has Internal Links Authority | -0.08 | 1 | 1 | 51 % | 21 % |
| 21 | Number of Rel Author Links Authority | -0.07 | 1 | 1 | 5 % | 61 % |
| 22 | Has RSS Link Authority | -0.07 | 1 | 1 | 36 % | 50 % |
| 23 | Number of PingBacks Authority | -0.07 | 1 | 1 | 18 % | 51 % |
| 24 | Number of MailTo Links Trust | -0 | 1 | 0 | 0 % | 96 % |
| 25 | Has Rel Next Link Authority | -0 | 1 | 0 | 0 % | 96 % |
| 26 | Has Rel Pagination Authority | -0 | 1 | 0 | 0 % | 96 % |
| 27 | Number of Sponsored Links Authority | -0 | 1 | 0 | 0 % | 24 % |
| 28 | Number of UGC Links Authority | -0 | 1 | 0 | 0 % | 24 % |
| 29 | Has Rel Prev Link Authority | -0 | 1 | 0 | 0 % | 98 % |