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 | 720 | 126 | 74 % | 88 % |
| 2 | Number of DoFollow Links Authority | -0.18 | 717 | 125 | 75 % | 88 % |
| 3 | Number of Links Authority | -0.18 | 721 | 127 | 74 % | 88 % |
| 4 | Number of Internal Links Authority | -0.17 | 703 | 114 | 73 % | 88 % |
| 5 | Number of External Links Authority | -0.17 | 60 | 14 | 70 % | 87 % |
| 6 | Number of DoFollow External Links Authority | -0.17 | 60 | 12 | 69 % | 86 % |
| 7 | Percentage of DoFollow Links Authority | -0.15 | 100 | 80 | 75 % | 88 % |
| 8 | Percentage of DoFollow Internal Links Authority | -0.14 | 94 | 69 | 73 % | 84 % |
| 9 | Percentage of DoFollow External Links Authority | -0.14 | 25 | 12 | 69 % | 81 % |
| 10 | Has Privacy Policy Trust | -0.14 | 1 | 1 | 54 % | 71 % |
| 11 | Number of Absolute URLs Authority | -0.13 | 3032 | 265 | 80 % | 78 % |
| 12 | Has Terms of Service Trust | -0.12 | 1 | 1 | 39 % | 63 % |
| 13 | Number of Nofollow Links Authority | -0.12 | 18 | 3 | 21 % | 78 % |
| 14 | Has RSS Link Authority | -0.11 | 1 | 1 | 25 % | 61 % |
| 15 | Number of NoFollow External Links Authority | -0.11 | 10 | 2 | 14 % | 76 % |
| 16 | Percentage of NoFollow Links Authority | -0.11 | 9 | 2 | 18 % | 74 % |
| 17 | Percentage of NoFollow External Links Authority | -0.11 | 5 | 1 | 12 % | 73 % |
| 18 | Percentage of NoFollow Internal Links Authority | -0.1 | 6 | 1 | 10 % | 71 % |
| 19 | Number of PingBacks Authority | -0.08 | 1 | 1 | 8 % | 58 % |
| 20 | Number of Rel Author Links Authority | -0.05 | 2 | 1 | 2 % | 68 % |
| 21 | Has Rel Next Link Authority | -0.04 | 1 | 0 | 1 % | 80 % |
| 22 | Has Rel Pagination Authority | -0.04 | 1 | 0 | 1 % | 80 % |
| 23 | Number of Sponsored Links Authority | -0.01 | 1 | 0 | 0 % | 94 % |
| 24 | Number of UGC Links Authority | -0.01 | 1 | 0 | 0 % | 94 % |
| 25 | Has Rel Prev Link Authority | -0 | 1 | 0 | 0 % | 92 % |
| 26 | Number of MailTo Links Trust | -0 | 1 | 0 | 0 % | 98 % |
| 27 | Ahrefs External Links Authority | 0 | 0 | 0 | 0 % | 85 % |
| 28 | Ahrefs Has Internal Links Authority | 0 | 0 | 0 | 0 % | 85 % |
| 29 | Ahrefs Internal Links Authority | 0 | 0 | 0 | 0 % | 85 % |