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 | -0.17 | 564 | 149 | 91 % | 85 % |
| 2 | Number of Links Authority | -0.17 | 565 | 153 | 92 % | 85 % |
| 3 | Number of Internal Links Authority | -0.17 | 539 | 136 | 91 % | 85 % |
| 4 | Number of DoFollow Links Authority | -0.17 | 540 | 148 | 92 % | 85 % |
| 5 | Number of Absolute URLs Authority | -0.15 | 1023 | 190 | 93 % | 85 % |
| 6 | Number of External Links Authority | -0.14 | 126 | 17 | 86 % | 77 % |
| 7 | Number of DoFollow External Links Authority | -0.13 | 90 | 15 | 84 % | 75 % |
| 8 | Percentage of DoFollow Internal Links Authority | -0.13 | 94 | 79 | 90 % | 72 % |
| 9 | Number of Nofollow Links Authority | -0.13 | 56 | 6 | 35 % | 77 % |
| 10 | Number of NoFollow External Links Authority | -0.12 | 20 | 3 | 23 % | 76 % |
| 11 | Has Privacy Policy Trust | -0.12 | 1 | 1 | 54 % | 68 % |
| 12 | Percentage of NoFollow Links Authority | -0.12 | 18 | 4 | 33 % | 70 % |
| 13 | Percentage of NoFollow External Links Authority | -0.11 | 14 | 2 | 21 % | 71 % |
| 14 | Percentage of DoFollow Links Authority | -0.11 | 100 | 91 | 91 % | 70 % |
| 15 | Percentage of NoFollow Internal Links Authority | -0.11 | 8 | 2 | 21 % | 64 % |
| 16 | Has Terms of Service Trust | -0.11 | 1 | 1 | 35 % | 64 % |
| 17 | Has RSS Link Authority | -0.1 | 1 | 1 | 35 % | 49 % |
| 18 | Ahrefs Internal Links Authority | -0.1 | 1242 | 78 | 37 % | 41 % |
| 19 | Percentage of DoFollow External Links Authority | -0.1 | 48 | 14 | 83 % | 59 % |
| 20 | Number of PingBacks Authority | -0.09 | 1 | 1 | 16 % | 50 % |
| 21 | Ahrefs External Links Authority | -0.09 | 191 | 14 | 34 % | 39 % |
| 22 | Number of Rel Author Links Authority | -0.07 | 2 | 1 | 4 % | 58 % |
| 23 | Ahrefs Has Internal Links Authority | -0.07 | 1 | 1 | 35 % | 39 % |
| 24 | Has Rel Next Link Authority | -0.05 | 1 | 0 | 2 % | 87 % |
| 25 | Has Rel Pagination Authority | -0.05 | 1 | 0 | 2 % | 87 % |
| 26 | Has Rel Prev Link Authority | -0.01 | 1 | 0 | 0 % | 91 % |
| 27 | Number of MailTo Links Trust | -0 | 1 | 0 | 0 % | 97 % |
| 28 | Number of Sponsored Links Authority | -0 | 2 | 0 | 0 % | 97 % |
| 29 | Number of UGC Links Authority | -0 | 2 | 0 | 0 % | 97 % |