Top SEO Factor data is updated daily for latest "month to date" measurements.
| Name | Correlation | #1 Max | Page 1 Avg | Usage % | Searches % | |
| 1 | Percentage of DoFollow Links Authority | -0.18 | 99 | 82 | 74 % | 88 % |
| 2 | Number of Links Authority | -0.18 | 526 | 161 | 73 % | 81 % |
| 3 | Number of DoFollow Links Authority | -0.17 | 495 | 154 | 73 % | 82 % |
| 4 | Percentage of DoFollow Internal Links Authority | -0.17 | 93 | 71 | 72 % | 84 % |
| 5 | Number of Internal Links Authority | -0.17 | 510 | 145 | 73 % | 84 % |
| 6 | Number of Absolute URLs Authority | -0.17 | 969 | 287 | 75 % | 79 % |
| 7 | Number of HTTPS Links Authority | -0.17 | 525 | 158 | 73 % | 84 % |
| 8 | Number of DoFollow External Links Authority | -0.16 | 31 | 13 | 68 % | 75 % |
| 9 | Number of External Links Authority | -0.15 | 42 | 15 | 70 % | 76 % |
| 10 | Percentage of DoFollow External Links Authority | -0.14 | 22 | 12 | 66 % | 73 % |
| 11 | Has Privacy Policy Trust | -0.14 | 1 | 1 | 48 % | 72 % |
| 12 | Number of Nofollow Links Authority | -0.14 | 57 | 8 | 28 % | 65 % |
| 13 | Has Terms of Service Trust | -0.13 | 1 | 1 | 30 % | 72 % |
| 14 | Percentage of NoFollow Internal Links Authority | -0.13 | 11 | 2 | 17 % | 59 % |
| 15 | Percentage of NoFollow Links Authority | -0.12 | 12 | 3 | 24 % | 60 % |
| 16 | Number of NoFollow External Links Authority | -0.12 | 18 | 3 | 18 % | 64 % |
| 17 | Has RSS Link Authority | -0.11 | 1 | 1 | 25 % | 45 % |
| 18 | Percentage of NoFollow External Links Authority | -0.11 | 6 | 1 | 15 % | 62 % |
| 19 | Number of PingBacks Authority | -0.08 | 1 | 1 | 10 % | 46 % |
| 20 | Has Rel Pagination Authority | -0.06 | 1 | 1 | 3 % | 72 % |
| 21 | Has Rel Next Link Authority | -0.06 | 1 | 1 | 2 % | 72 % |
| 22 | Number of Rel Author Links Authority | -0.04 | 1 | 1 | 3 % | 58 % |
| 23 | Has Rel Prev Link Authority | -0.01 | 1 | 0 | 0 % | 83 % |
| 24 | Number of Sponsored Links Authority | -0.01 | 1 | 0 | 0 % | 81 % |
| 25 | Number of UGC Links Authority | -0.01 | 1 | 0 | 0 % | 81 % |
| 26 | Number of MailTo Links Trust | -0 | 1 | 0 | 0 % | 95 % |
| 27 | Ahrefs External Links Authority | 0 | 0 | 0 | 0 % | 69 % |
| 28 | Ahrefs Has Internal Links Authority | 0 | 0 | 0 | 0 % | 69 % |
| 29 | Ahrefs Internal Links Authority | 0 | 0 | 0 | 0 % | 69 % |