Top SEO Factor data is updated daily for latest "month to date" measurements.
| Name | Correlation | #1 Max | Page 1 Avg | Usage % | Searches % | |
| 1 | Ahrefs Rank Authority | -0.3 | 53 | 17 | 94 % | 14 % |
| 2 | Ahrefs Referring IP Addresses Authority | -0.26 | 3138 | 58 | 60 % | 20 % |
| 3 | Ahrefs Referring Class C Addresses Authority | -0.26 | 1247 | 40 | 60 % | 20 % |
| 4 | Ahrefs Referring Domains Authority | -0.26 | 18857 | 144 | 60 % | 20 % |
| 5 | Ahrefs Text Backlinks Authority | -0.24 | 687204 | 14912 | 59 % | 20 % |
| 6 | Ahrefs Backlinks Authority | -0.24 | 687208 | 15035 | 60 % | 20 % |
| 7 | Ahrefs Referring Pages Authority | -0.24 | 687208 | 15035 | 60 % | 20 % |
| 8 | Ahrefs NoFollow Backlinks Authority | -0.24 | 85965 | 944 | 50 % | 20 % |
| 9 | Ahrefs Domain Rating Authority | -0.24 | 84 | 48 | 89 % | 17 % |
| 10 | Ahrefs Dofollow Backlinks Authority | -0.23 | 687120 | 14404 | 52 % | 19 % |
| 11 | Ahrefs Has Dofollow Backlinks Authority | -0.22 | 1 | 1 | 50 % | 19 % |
| 12 | Ahrefs Has Text Backlinks Authority | -0.22 | 1 | 1 | 58 % | 20 % |
| 13 | Ahrefs Has Backlinks Authority | -0.22 | 1 | 1 | 59 % | 19 % |
| 14 | Ahrefs Has NoFollow Backlinks Authority | -0.21 | 1 | 1 | 50 % | 19 % |
| 15 | Number of HTTPS Links Authority | -0.17 | 388 | 127 | 86 % | 81 % |
| 16 | Ahrefs Internal Links Authority | -0.16 | 368 | 98 | 66 % | 19 % |
| 17 | Number of Links Authority | -0.16 | 395 | 137 | 89 % | 80 % |
| 18 | Number of Internal Links Authority | -0.16 | 384 | 119 | 88 % | 82 % |
| 19 | Ahrefs Has Domain Rating Authority | -0.16 | 1 | 1 | 88 % | 15 % |
| 20 | Number of DoFollow Links Authority | -0.16 | 394 | 131 | 89 % | 79 % |
| 21 | Ahrefs Has Image Backlinks Authority | -0.15 | 1 | 1 | 22 % | 16 % |
| 22 | Number of Absolute URLs Authority | -0.15 | 460 | 171 | 94 % | 80 % |
| 23 | Number of External Links Authority | -0.15 | 44 | 18 | 84 % | 74 % |
| 24 | Number of DoFollow External Links Authority | -0.14 | 39 | 15 | 81 % | 72 % |
| 25 | Ahrefs Linked Root Domains Authority | -0.14 | 19 | 7 | 67 % | 18 % |
| 26 | Ahrefs External Links Authority | -0.14 | 38 | 15 | 61 % | 18 % |
| 27 | Number of Nofollow Links Authority | -0.14 | 38 | 7 | 36 % | 78 % |
| 28 | Has Canonical URL Authority | -0.13 | 1 | 1 | 72 % | 73 % |
| 29 | Number of Social Accounts Authority | -0.13 | 5 | 2 | 54 % | 70 % |
| 30 | Ahrefs Has External Links Authority | -0.13 | 1 | 1 | 60 % | 15 % |
| 31 | Ahrefs Has Internal Links Authority | -0.13 | 1 | 1 | 65 % | 15 % |
| 32 | Number of NoFollow External Links Authority | -0.13 | 24 | 4 | 26 % | 77 % |
| 33 | Ahrefs Redirects Authority | -0.13 | 1754 | 19 | 12 % | 15 % |
| 34 | Ahrefs Has Linked Root Domains Authority | -0.13 | 1 | 1 | 65 % | 15 % |
| 35 | Percentage of DoFollow Internal Links Authority | -0.13 | 92 | 77 | 87 % | 68 % |
| 36 | Ahrefs Has Redirects Authority | -0.13 | 1 | 1 | 12 % | 14 % |
| 37 | Percentage of NoFollow Links Authority | -0.13 | 20 | 5 | 35 % | 71 % |
| 38 | Percentage of NoFollow External Links Authority | -0.12 | 17 | 3 | 24 % | 74 % |
| 39 | Percentage of DoFollow Links Authority | -0.12 | 100 | 89 | 87 % | 66 % |
| 40 | Has Rel Next Link Authority | -0.12 | 1 | 1 | 7 % | 58 % |
| 41 | Ahrefs EDU Backlinks Authority | -0.12 | 2950 | 68 | 8 % | 13 % |
| 42 | Has Rel Pagination Authority | -0.12 | 1 | 1 | 7 % | 58 % |
| 43 | Number of Twitter Accounts Authority | -0.12 | 3 | 1 | 47 % | 65 % |
| 44 | Ahrefs Canonical Backlinks Authority | -0.12 | 38 | 1 | 6 % | 16 % |
| 45 | Number of Social Pages Authority | -0.12 | 24 | 2 | 47 % | 70 % |
| 46 | Percentage of DoFollow External Links Authority | -0.12 | 30 | 14 | 79 % | 57 % |
| 47 | Number of Facebook Accounts Authority | -0.12 | 3 | 1 | 34 % | 69 % |
| 48 | Has Twitter Account ID Authority | -0.12 | 1 | 1 | 2 % | 21 % |
| 49 | Has Meta Twitter Site Authority | -0.11 | 1 | 1 | 21 % | 63 % |
| 50 | Number of LinkedIn Pages Authority | -0.11 | 3 | 1 | 22 % | 59 % |
| 51 | Ahrefs Has Canonical Backlinks Authority | -0.11 | 1 | 1 | 6 % | 15 % |
| 52 | Has Meta Twitter Description Authority | -0.11 | 1 | 1 | 37 % | 61 % |
| 53 | Percentage of NoFollow Internal Links Authority | -0.11 | 13 | 3 | 23 % | 68 % |
| 54 | Number of Instagram Pages Authority | -0.11 | 14 | 1 | 31 % | 69 % |
| 55 | Has Meta Twitter Card Authority | -0.11 | 1 | 1 | 43 % | 57 % |
| 56 | Has Meta Twitter Title Authority | -0.11 | 1 | 1 | 39 % | 59 % |
| 57 | Number of PingBacks Authority | -0.11 | 1 | 1 | 21 % | 42 % |
| 58 | Has RSS Link Authority | -0.1 | 1 | 1 | 36 % | 46 % |
| 59 | Number of LinkedIn Accounts Authority | -0.1 | 2 | 1 | 6 % | 43 % |
| 60 | Number of Facebook Share Links Authority | -0.1 | 2 | 1 | 8 % | 57 % |