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 | 753 | 146 | 87 % | 86 % |
| 2 | Number of Links Authority | -0.16 | 754 | 148 | 87 % | 80 % |
| 3 | Number of DoFollow Links Authority | -0.16 | 738 | 144 | 87 % | 85 % |
| 4 | Number of Internal Links Authority | -0.16 | 466 | 132 | 87 % | 85 % |
| 5 | Number of Absolute URLs Authority | -0.15 | 1054 | 263 | 89 % | 85 % |
| 6 | Number of External Links Authority | -0.15 | 541 | 17 | 83 % | 82 % |
| 7 | Number of DoFollow External Links Authority | -0.14 | 536 | 15 | 82 % | 81 % |
| 8 | Percentage of DoFollow Internal Links Authority | -0.13 | 95 | 76 | 86 % | 81 % |
| 9 | Has Privacy Policy Trust | -0.13 | 1 | 1 | 62 % | 78 % |
| 10 | Percentage of DoFollow Links Authority | -0.13 | 100 | 87 | 87 % | 82 % |
| 11 | Number of Nofollow Links Authority | -0.13 | 68 | 5 | 29 % | 76 % |
| 12 | Has Terms of Service Trust | -0.12 | 1 | 1 | 41 % | 70 % |
| 13 | Number of NoFollow External Links Authority | -0.12 | 25 | 2 | 19 % | 75 % |
| 14 | Percentage of DoFollow External Links Authority | -0.12 | 32 | 12 | 80 % | 68 % |
| 15 | Percentage of NoFollow Links Authority | -0.11 | 22 | 3 | 27 % | 71 % |
| 16 | Percentage of NoFollow Internal Links Authority | -0.11 | 17 | 2 | 15 % | 68 % |
| 17 | Percentage of NoFollow External Links Authority | -0.11 | 7 | 2 | 17 % | 70 % |
| 18 | Has RSS Link Authority | -0.1 | 1 | 1 | 35 % | 51 % |
| 19 | Number of PingBacks Authority | -0.08 | 1 | 1 | 14 % | 47 % |
| 20 | Has Rel Next Link Authority | -0.08 | 1 | 1 | 3 % | 74 % |
| 21 | Has Rel Pagination Authority | -0.08 | 1 | 1 | 3 % | 70 % |
| 22 | Number of Rel Author Links Authority | -0.06 | 2 | 1 | 3 % | 59 % |
| 23 | Has Rel Prev Link Authority | -0.01 | 1 | 0 | 0 % | 81 % |
| 24 | Number of UGC Links Authority | -0.01 | 37 | 0 | 0 % | 82 % |
| 25 | Number of Sponsored Links Authority | -0.01 | 37 | 0 | 0 % | 82 % |
| 26 | Number of MailTo Links Trust | -0.01 | 1 | 0 | 0 % | 89 % |
| 27 | Ahrefs External Links Authority | 0 | 0 | 0 | 0 % | 72 % |
| 28 | Ahrefs Has Internal Links Authority | 0 | 0 | 0 | 0 % | 72 % |
| 29 | Ahrefs Internal Links Authority | 0 | 0 | 0 | 0 % | 72 % |