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 DoFollow Links Authority | -0.23 | 419 | 121 | 64 % | 87 % |
| 2 | Number of Links Authority | -0.22 | 452 | 124 | 64 % | 87 % |
| 3 | Number of HTTPS Links Authority | -0.22 | 419 | 123 | 63 % | 87 % |
| 4 | Number of Internal Links Authority | -0.22 | 390 | 111 | 62 % | 87 % |
| 5 | Number of External Links Authority | -0.22 | 135 | 14 | 59 % | 88 % |
| 6 | Number of DoFollow External Links Authority | -0.21 | 134 | 12 | 58 % | 89 % |
| 7 | Percentage of DoFollow Links Authority | -0.2 | 99 | 79 | 63 % | 80 % |
| 8 | Percentage of DoFollow External Links Authority | -0.19 | 32 | 12 | 56 % | 80 % |
| 9 | Percentage of DoFollow Internal Links Authority | -0.18 | 92 | 68 | 62 % | 77 % |
| 10 | Has Privacy Policy Trust | -0.18 | 1 | 1 | 43 % | 70 % |
| 11 | Number of Absolute URLs Authority | -0.18 | 1948 | 253 | 68 % | 74 % |
| 12 | Has Terms of Service Trust | -0.16 | 1 | 1 | 31 % | 65 % |
| 13 | Number of Nofollow Links Authority | -0.14 | 91 | 4 | 17 % | 76 % |
| 14 | Has RSS Link Authority | -0.14 | 1 | 1 | 18 % | 64 % |
| 15 | Percentage of NoFollow Links Authority | -0.14 | 7 | 2 | 15 % | 73 % |
| 16 | Number of NoFollow External Links Authority | -0.13 | 89 | 2 | 11 % | 78 % |
| 17 | Percentage of NoFollow Internal Links Authority | -0.13 | 6 | 1 | 9 % | 69 % |
| 18 | Percentage of NoFollow External Links Authority | -0.12 | 6 | 1 | 9 % | 77 % |
| 19 | Number of PingBacks Authority | -0.09 | 1 | 1 | 6 % | 65 % |
| 20 | Number of Rel Author Links Authority | -0.06 | 1 | 1 | 2 % | 71 % |
| 21 | Has Rel Pagination Authority | -0.04 | 1 | 0 | 1 % | 78 % |
| 22 | Has Rel Next Link Authority | -0.04 | 1 | 0 | 1 % | 79 % |
| 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 | -0.01 | 1 | 0 | 0 % | 89 % |
| 26 | Number of MailTo Links Trust | -0 | 1 | 0 | 0 % | 97 % |
| 27 | Ahrefs External Links Authority | 0 | 0 | 0 | 0 % | 77 % |
| 28 | Ahrefs Has Internal Links Authority | 0 | 0 | 0 | 0 % | 77 % |
| 29 | Ahrefs Internal Links Authority | 0 | 0 | 0 | 0 % | 77 % |