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 | 591 | 160 | 91 % | 85 % |
| 2 | Number of Internal Links Authority | -0.18 | 578 | 145 | 91 % | 86 % |
| 3 | Number of Links Authority | -0.17 | 591 | 163 | 92 % | 86 % |
| 4 | Number of DoFollow Links Authority | -0.17 | 582 | 157 | 92 % | 86 % |
| 5 | Number of Absolute URLs Authority | -0.16 | 1928 | 179 | 93 % | 82 % |
| 6 | Number of External Links Authority | -0.14 | 93 | 19 | 87 % | 77 % |
| 7 | Number of Nofollow Links Authority | -0.14 | 55 | 6 | 35 % | 76 % |
| 8 | Number of DoFollow External Links Authority | -0.13 | 92 | 16 | 84 % | 76 % |
| 9 | Number of NoFollow External Links Authority | -0.13 | 26 | 3 | 23 % | 76 % |
| 10 | Has Privacy Policy Trust | -0.13 | 1 | 1 | 57 % | 69 % |
| 11 | Percentage of DoFollow Internal Links Authority | -0.12 | 94 | 79 | 91 % | 70 % |
| 12 | Percentage of NoFollow Links Authority | -0.12 | 18 | 4 | 33 % | 69 % |
| 13 | Percentage of NoFollow External Links Authority | -0.11 | 13 | 2 | 22 % | 70 % |
| 14 | Has Terms of Service Trust | -0.11 | 1 | 1 | 40 % | 64 % |
| 15 | Ahrefs Internal Links Authority | -0.11 | 1076 | 100 | 43 % | 31 % |
| 16 | Percentage of DoFollow Links Authority | -0.11 | 100 | 92 | 92 % | 67 % |
| 17 | Percentage of NoFollow Internal Links Authority | -0.11 | 10 | 2 | 21 % | 66 % |
| 18 | Percentage of DoFollow External Links Authority | -0.11 | 51 | 14 | 83 % | 54 % |
| 19 | Has RSS Link Authority | -0.1 | 1 | 1 | 32 % | 42 % |
| 20 | Ahrefs External Links Authority | -0.1 | 657 | 18 | 40 % | 31 % |
| 21 | Number of PingBacks Authority | -0.09 | 1 | 1 | 15 % | 44 % |
| 22 | Ahrefs Has Internal Links Authority | -0.08 | 1 | 1 | 39 % | 28 % |
| 23 | Number of Rel Author Links Authority | -0.08 | 5 | 1 | 4 % | 58 % |
| 24 | Has Rel Next Link Authority | -0.03 | 1 | 0 | 1 % | 87 % |
| 25 | Has Rel Pagination Authority | -0.03 | 1 | 0 | 1 % | 87 % |
| 26 | Has Rel Prev Link Authority | -0 | 1 | 0 | 0 % | 91 % |
| 27 | Number of Sponsored Links Authority | -0 | 1 | 0 | 0 % | 95 % |
| 28 | Number of UGC Links Authority | -0 | 1 | 0 | 0 % | 95 % |
| 29 | Number of MailTo Links Trust | -0 | 1 | 0 | 0 % | 96 % |