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 | 491 | 141 | 90 % | 84 % |
| 2 | Number of Internal Links Authority | -0.17 | 499 | 131 | 91 % | 83 % |
| 3 | Number of Links Authority | -0.17 | 509 | 147 | 92 % | 82 % |
| 4 | Number of DoFollow Links Authority | -0.16 | 489 | 142 | 92 % | 81 % |
| 5 | Number of Absolute URLs Authority | -0.15 | 397 | 136 | 92 % | 83 % |
| 6 | Number of External Links Authority | -0.14 | 99 | 17 | 86 % | 72 % |
| 7 | Ahrefs Internal Links Authority | -0.13 | 257 | 70 | 63 % | 26 % |
| 8 | Percentage of DoFollow Internal Links Authority | -0.13 | 98 | 80 | 90 % | 73 % |
| 9 | Has Privacy Policy Trust | -0.13 | 1 | 1 | 62 % | 74 % |
| 10 | Ahrefs External Links Authority | -0.13 | 47 | 15 | 59 % | 25 % |
| 11 | Number of Nofollow Links Authority | -0.13 | 29 | 6 | 35 % | 78 % |
| 12 | Number of DoFollow External Links Authority | -0.12 | 63 | 14 | 84 % | 70 % |
| 13 | Number of NoFollow External Links Authority | -0.12 | 25 | 3 | 24 % | 76 % |
| 14 | Has Terms of Service Trust | -0.12 | 1 | 1 | 44 % | 70 % |
| 15 | Percentage of NoFollow Links Authority | -0.12 | 22 | 4 | 33 % | 69 % |
| 16 | Percentage of NoFollow External Links Authority | -0.11 | 19 | 2 | 23 % | 71 % |
| 17 | Percentage of DoFollow Links Authority | -0.11 | 100 | 92 | 91 % | 69 % |
| 18 | Ahrefs Has Internal Links Authority | -0.11 | 1 | 1 | 62 % | 24 % |
| 19 | Percentage of NoFollow Internal Links Authority | -0.1 | 8 | 2 | 21 % | 66 % |
| 20 | Percentage of DoFollow External Links Authority | -0.1 | 28 | 13 | 82 % | 53 % |
| 21 | Has RSS Link Authority | -0.08 | 1 | 1 | 38 % | 45 % |
| 22 | Number of Rel Author Links Authority | -0.08 | 2 | 1 | 6 % | 53 % |
| 23 | Number of PingBacks Authority | -0.08 | 1 | 1 | 19 % | 48 % |
| 24 | Number of Sponsored Links Authority | -0 | 1 | 0 | 0 % | 63 % |
| 25 | Number of UGC Links Authority | -0 | 1 | 0 | 0 % | 63 % |
| 26 | Number of MailTo Links Trust | -0 | 1 | 0 | 0 % | 95 % |
| 27 | Has Rel Next Link Authority | -0 | 1 | 0 | 0 % | 95 % |
| 28 | Has Rel Pagination Authority | -0 | 1 | 0 | 0 % | 95 % |
| 29 | Has Rel Prev Link Authority | -0 | 1 | 0 | 0 % | 98 % |