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 | 959 | 153 | 81 % | 85 % |
| 2 | Number of Links Authority | -0.16 | 962 | 155 | 81 % | 84 % |
| 3 | Number of DoFollow Links Authority | -0.16 | 956 | 151 | 81 % | 85 % |
| 4 | Number of Internal Links Authority | -0.16 | 942 | 141 | 81 % | 85 % |
| 5 | Percentage of DoFollow Internal Links Authority | -0.15 | 93 | 75 | 81 % | 86 % |
| 6 | Percentage of DoFollow Links Authority | -0.15 | 100 | 85 | 82 % | 91 % |
| 7 | Number of DoFollow External Links Authority | -0.15 | 70 | 13 | 76 % | 84 % |
| 8 | Number of External Links Authority | -0.15 | 81 | 14 | 77 % | 85 % |
| 9 | Has Privacy Policy Trust | -0.14 | 1 | 1 | 58 % | 74 % |
| 10 | Number of Absolute URLs Authority | -0.13 | 1149 | 287 | 84 % | 80 % |
| 11 | Percentage of DoFollow External Links Authority | -0.13 | 32 | 11 | 75 % | 77 % |
| 12 | Number of Nofollow Links Authority | -0.12 | 23 | 4 | 26 % | 76 % |
| 13 | Has Terms of Service Trust | -0.11 | 1 | 1 | 35 % | 64 % |
| 14 | Percentage of NoFollow Links Authority | -0.11 | 8 | 2 | 23 % | 72 % |
| 15 | Number of NoFollow External Links Authority | -0.11 | 26 | 2 | 17 % | 74 % |
| 16 | Percentage of NoFollow Internal Links Authority | -0.1 | 5 | 1 | 13 % | 68 % |
| 17 | Percentage of NoFollow External Links Authority | -0.1 | 5 | 1 | 15 % | 70 % |
| 18 | Has RSS Link Authority | -0.1 | 1 | 1 | 31 % | 52 % |
| 19 | Number of PingBacks Authority | -0.08 | 1 | 1 | 11 % | 49 % |
| 20 | Has Rel Pagination Authority | -0.05 | 1 | 0 | 2 % | 78 % |
| 21 | Has Rel Next Link Authority | -0.05 | 1 | 0 | 2 % | 79 % |
| 22 | Number of Rel Author Links Authority | -0.05 | 2 | 1 | 2 % | 64 % |
| 23 | Has Rel Prev Link Authority | -0.01 | 1 | 0 | 0 % | 91 % |
| 24 | Number of Sponsored Links Authority | -0.01 | 2 | 0 | 0 % | 93 % |
| 25 | Number of UGC Links Authority | -0.01 | 2 | 0 | 0 % | 93 % |
| 26 | Number of MailTo Links Trust | -0 | 1 | 0 | 0 % | 96 % |
| 27 | Ahrefs External Links Authority | 0 | 0 | 0 | 0 % | 76 % |
| 28 | Ahrefs Has Internal Links Authority | 0 | 0 | 0 | 0 % | 76 % |
| 29 | Ahrefs Internal Links Authority | 0 | 0 | 0 | 0 % | 76 % |