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 Internal Links Authority | -0.23 | 210 | 104 | 73 % | 88 % |
| 2 | Number of HTTPS Links Authority | -0.22 | 236 | 117 | 74 % | 96 % |
| 3 | Number of Links Authority | -0.22 | 239 | 118 | 74 % | 96 % |
| 4 | Number of External Links Authority | -0.21 | 30 | 13 | 70 % | 100 % |
| 5 | Number of DoFollow External Links Authority | -0.21 | 30 | 13 | 69 % | 100 % |
| 6 | Number of DoFollow Links Authority | -0.21 | 237 | 114 | 74 % | 100 % |
| 7 | Percentage of DoFollow Internal Links Authority | -0.2 | 84 | 76 | 73 % | 62 % |
| 8 | Percentage of DoFollow External Links Authority | -0.18 | 20 | 12 | 68 % | 88 % |
| 9 | Percentage of DoFollow Links Authority | -0.18 | 96 | 85 | 73 % | 81 % |
| 10 | Has Privacy Policy Trust | -0.17 | 1 | 1 | 53 % | 73 % |
| 11 | Number of Absolute URLs Authority | -0.16 | 416 | 226 | 77 % | 62 % |
| 12 | Has Terms of Service Trust | -0.14 | 1 | 1 | 32 % | 54 % |
| 13 | Has RSS Link Authority | -0.13 | 1 | 1 | 22 % | 65 % |
| 14 | Number of NoFollow External Links Authority | -0.12 | 3 | 1 | 15 % | 81 % |
| 15 | Number of Nofollow Links Authority | -0.12 | 4 | 2 | 21 % | 85 % |
| 16 | Percentage of NoFollow Internal Links Authority | -0.11 | 2 | 1 | 9 % | 69 % |
| 17 | Percentage of NoFollow External Links Authority | -0.11 | 2 | 1 | 13 % | 69 % |
| 18 | Number of PingBacks Authority | -0.11 | 1 | 1 | 9 % | 46 % |
| 19 | Percentage of NoFollow Links Authority | -0.1 | 3 | 2 | 18 % | 85 % |
| 20 | Number of Rel Author Links Authority | -0.04 | 1 | 1 | 2 % | 50 % |
| 21 | Has Rel Next Link Authority | -0.03 | 1 | 0 | 1 % | 81 % |
| 22 | Has Rel Pagination Authority | -0.03 | 1 | 0 | 1 % | 81 % |
| 23 | Has Rel Prev Link Authority | -0.01 | 1 | 0 | 0 % | 81 % |
| 24 | Number of Sponsored Links Authority | -0 | 1 | 0 | 0 % | 92 % |
| 25 | Number of UGC Links Authority | -0 | 1 | 0 | 0 % | 92 % |
| 26 | Number of MailTo Links Trust | -0 | 1 | 0 | 0 % | 96 % |
| 27 | Ahrefs External Links Authority | 0 | 0 | 0 | 0 % | 88 % |
| 28 | Ahrefs Has Internal Links Authority | 0 | 0 | 0 | 0 % | 88 % |
| 29 | Ahrefs Internal Links Authority | 0 | 0 | 0 | 0 % | 88 % |