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 | 679 | 138 | 83 % | 84 % |
| 2 | Number of Links Authority | -0.16 | 679 | 140 | 84 % | 83 % |
| 3 | Number of Internal Links Authority | -0.16 | 568 | 124 | 83 % | 84 % |
| 4 | Number of DoFollow Links Authority | -0.16 | 472 | 135 | 84 % | 84 % |
| 5 | Number of Absolute URLs Authority | -0.15 | 988 | 254 | 87 % | 83 % |
| 6 | Number of External Links Authority | -0.14 | 157 | 17 | 80 % | 80 % |
| 7 | Number of DoFollow External Links Authority | -0.14 | 142 | 14 | 79 % | 78 % |
| 8 | Number of Nofollow Links Authority | -0.14 | 257 | 6 | 28 % | 75 % |
| 9 | Percentage of DoFollow Internal Links Authority | -0.13 | 93 | 74 | 83 % | 76 % |
| 10 | Percentage of DoFollow Links Authority | -0.13 | 99 | 86 | 83 % | 82 % |
| 11 | Has Privacy Policy Trust | -0.13 | 1 | 1 | 62 % | 73 % |
| 12 | Percentage of NoFollow Links Authority | -0.12 | 26 | 3 | 26 % | 71 % |
| 13 | Percentage of NoFollow Internal Links Authority | -0.12 | 16 | 2 | 16 % | 69 % |
| 14 | Percentage of DoFollow External Links Authority | -0.12 | 26 | 12 | 77 % | 70 % |
| 15 | Has Terms of Service Trust | -0.12 | 1 | 1 | 40 % | 67 % |
| 16 | Number of NoFollow External Links Authority | -0.12 | 119 | 3 | 19 % | 73 % |
| 17 | Percentage of NoFollow External Links Authority | -0.11 | 10 | 2 | 17 % | 69 % |
| 18 | Has RSS Link Authority | -0.1 | 1 | 1 | 31 % | 49 % |
| 19 | Number of PingBacks Authority | -0.09 | 1 | 1 | 12 % | 48 % |
| 20 | Has Rel Pagination Authority | -0.08 | 1 | 1 | 3 % | 71 % |
| 21 | Has Rel Next Link Authority | -0.08 | 1 | 1 | 3 % | 72 % |
| 22 | Number of Rel Author Links Authority | -0.06 | 3 | 1 | 2 % | 61 % |
| 23 | Number of Sponsored Links Authority | -0.01 | 4 | 0 | 0 % | 90 % |
| 24 | Number of UGC Links Authority | -0.01 | 4 | 0 | 0 % | 90 % |
| 25 | Has Rel Prev Link Authority | -0.01 | 1 | 0 | 0 % | 84 % |
| 26 | Number of MailTo Links Trust | -0 | 1 | 0 | 0 % | 94 % |
| 27 | Ahrefs External Links Authority | 0 | 0 | 0 | 0 % | 80 % |
| 28 | Ahrefs Has Internal Links Authority | 0 | 0 | 0 | 0 % | 80 % |
| 29 | Ahrefs Internal Links Authority | 0 | 0 | 0 | 0 % | 80 % |