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 | 578 | 140 | 88 % | 80 % |
| 2 | Number of Links Authority | -0.16 | 595 | 159 | 92 % | 76 % |
| 3 | Number of Internal Links Authority | -0.16 | 572 | 140 | 91 % | 76 % |
| 4 | Number of DoFollow Links Authority | -0.15 | 588 | 151 | 92 % | 75 % |
| 5 | Number of Absolute URLs Authority | -0.15 | 663 | 186 | 93 % | 81 % |
| 6 | Number of Nofollow Links Authority | -0.15 | 69 | 9 | 39 % | 83 % |
| 7 | Number of External Links Authority | -0.14 | 369 | 21 | 87 % | 73 % |
| 8 | Number of NoFollow External Links Authority | -0.14 | 42 | 4 | 27 % | 81 % |
| 9 | Ahrefs Internal Links Authority | -0.14 | 236 | 56 | 66 % | 18 % |
| 10 | Ahrefs External Links Authority | -0.14 | 47 | 12 | 61 % | 18 % |
| 11 | Percentage of NoFollow Links Authority | -0.14 | 24 | 5 | 37 % | 80 % |
| 12 | Percentage of NoFollow External Links Authority | -0.14 | 21 | 3 | 25 % | 77 % |
| 13 | Ahrefs Has Internal Links Authority | -0.13 | 1 | 1 | 65 % | 15 % |
| 14 | Has Privacy Policy Trust | -0.13 | 1 | 1 | 61 % | 70 % |
| 15 | Number of DoFollow External Links Authority | -0.13 | 352 | 17 | 85 % | 69 % |
| 16 | Has Terms of Service Trust | -0.13 | 1 | 1 | 43 % | 64 % |
| 17 | Percentage of NoFollow Internal Links Authority | -0.12 | 17 | 3 | 26 % | 74 % |
| 18 | Has Rel Next Link Authority | -0.12 | 1 | 1 | 7 % | 64 % |
| 19 | Has Rel Pagination Authority | -0.12 | 1 | 1 | 7 % | 63 % |
| 20 | Percentage of DoFollow Internal Links Authority | -0.12 | 95 | 80 | 90 % | 65 % |
| 21 | Has RSS Link Authority | -0.11 | 1 | 1 | 35 % | 50 % |
| 22 | Percentage of DoFollow External Links Authority | -0.11 | 31 | 14 | 83 % | 56 % |
| 23 | Percentage of DoFollow Links Authority | -0.11 | 100 | 93 | 90 % | 58 % |
| 24 | Number of PingBacks Authority | -0.1 | 1 | 1 | 20 % | 49 % |
| 25 | Number of Rel Author Links Authority | -0.09 | 8 | 1 | 7 % | 52 % |
| 26 | Has Rel Prev Link Authority | -0.08 | 1 | 1 | 3 % | 36 % |