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 | -0.25 | 33 | 18 | 94 % | 13 % |
| 2 | Ahrefs Referring Class C Addresses Authority | -0.24 | 675 | 43 | 60 % | 17 % |
| 3 | Ahrefs Referring IP Addresses Authority | -0.24 | 1000 | 52 | 60 % | 18 % |
| 4 | Ahrefs Referring Domains Authority | -0.23 | 2104 | 68 | 60 % | 18 % |
| 5 | Ahrefs NoFollow Backlinks Authority | -0.22 | 54083 | 923 | 47 % | 17 % |
| 6 | Ahrefs Text Backlinks Authority | -0.22 | 720238 | 9721 | 59 % | 17 % |
| 7 | Ahrefs Referring Pages Authority | -0.22 | 720247 | 9726 | 60 % | 17 % |
| 8 | Ahrefs Backlinks Authority | -0.22 | 720247 | 9701 | 60 % | 17 % |
| 9 | Ahrefs Dofollow Backlinks Authority | -0.21 | 716870 | 8955 | 52 % | 17 % |
| 10 | Ahrefs Has NoFollow Backlinks Authority | -0.2 | 1 | 1 | 47 % | 18 % |
| 11 | Number of HTTPS Links Authority | -0.2 | 606 | 149 | 89 % | 84 % |
| 12 | Ahrefs Domain Rating Authority | -0.2 | 83 | 51 | 92 % | 14 % |
| 13 | Ahrefs Has Text Backlinks Authority | -0.19 | 1 | 1 | 58 % | 17 % |
| 14 | Ahrefs Has Dofollow Backlinks Authority | -0.19 | 1 | 1 | 51 % | 16 % |
| 15 | Ahrefs Has Backlinks Authority | -0.19 | 1 | 1 | 59 % | 18 % |
| 16 | Number of Links Authority | -0.18 | 609 | 162 | 93 % | 82 % |
| 17 | Ahrefs Internal Links Authority | -0.18 | 477 | 86 | 69 % | 18 % |
| 18 | Number of DoFollow Links Authority | -0.17 | 602 | 155 | 93 % | 82 % |
| 19 | Number of Internal Links Authority | -0.17 | 578 | 142 | 92 % | 82 % |
| 20 | Number of External Links Authority | -0.17 | 83 | 21 | 87 % | 78 % |
| 21 | Number of Absolute URLs Authority | -0.16 | 800 | 200 | 94 % | 81 % |
| 22 | Number of DoFollow External Links Authority | -0.16 | 51 | 17 | 85 % | 73 % |
| 23 | Ahrefs Linked Root Domains Authority | -0.16 | 17 | 8 | 70 % | 18 % |
| 24 | Ahrefs Has Image Backlinks Authority | -0.16 | 1 | 1 | 23 % | 14 % |
| 25 | Ahrefs External Links Authority | -0.16 | 48 | 16 | 63 % | 18 % |
| 26 | Ahrefs Has Internal Links Authority | -0.15 | 1 | 1 | 68 % | 15 % |
| 27 | Ahrefs Has External Links Authority | -0.15 | 1 | 1 | 62 % | 16 % |
| 28 | Ahrefs Has Linked Root Domains Authority | -0.15 | 1 | 1 | 68 % | 16 % |
| 29 | Number of Social Pages Authority | -0.15 | 21 | 2 | 51 % | 70 % |
| 30 | Number of Social Accounts Authority | -0.15 | 9 | 3 | 59 % | 73 % |
| 31 | Has Canonical URL Authority | -0.14 | 1 | 1 | 74 % | 71 % |
| 32 | Number of Nofollow Links Authority | -0.14 | 129 | 8 | 40 % | 80 % |
| 33 | Number of NoFollow External Links Authority | -0.14 | 35 | 4 | 28 % | 80 % |
| 34 | Number of Twitter Accounts Authority | -0.14 | 5 | 1 | 50 % | 70 % |
| 35 | Percentage of DoFollow External Links Authority | -0.13 | 73 | 14 | 84 % | 56 % |
| 36 | Percentage of NoFollow Links Authority | -0.13 | 22 | 5 | 38 % | 73 % |
| 37 | Ahrefs Has Redirects Authority | -0.13 | 1 | 1 | 13 % | 12 % |
| 38 | Percentage of NoFollow External Links Authority | -0.13 | 19 | 3 | 26 % | 74 % |
| 39 | Ahrefs Redirects Authority | -0.13 | 47 | 3 | 13 % | 14 % |
| 40 | Has Rel Next Link Authority | -0.13 | 1 | 1 | 8 % | 58 % |
| 41 | Number of Facebook Accounts Authority | -0.13 | 4 | 1 | 37 % | 72 % |
| 42 | Has Rel Pagination Authority | -0.13 | 1 | 1 | 8 % | 57 % |
| 43 | Number of Instagram Pages Authority | -0.12 | 17 | 2 | 34 % | 66 % |
| 44 | Ahrefs Canonical Backlinks Authority | -0.12 | 116 | 2 | 6 % | 13 % |
| 45 | Percentage of DoFollow Internal Links Authority | -0.12 | 97 | 81 | 91 % | 63 % |
| 46 | Number of LinkedIn Pages Authority | -0.12 | 7 | 1 | 21 % | 64 % |
| 47 | Has Meta Twitter Description Authority | -0.12 | 1 | 1 | 37 % | 58 % |
| 48 | Percentage of NoFollow Internal Links Authority | -0.11 | 12 | 3 | 26 % | 67 % |
| 49 | Has RSS Link Authority | -0.11 | 1 | 1 | 35 % | 45 % |
| 50 | Has Meta Twitter Card Authority | -0.11 | 1 | 1 | 42 % | 56 % |
| 51 | Has Meta Twitter Title Authority | -0.11 | 1 | 1 | 39 % | 57 % |
| 52 | Has Twitter Account ID Authority | -0.11 | 1 | 1 | 2 % | 22 % |
| 53 | Percentage of DoFollow Links Authority | -0.11 | 100 | 94 | 92 % | 60 % |
| 54 | Has Meta Twitter Site Authority | -0.11 | 1 | 1 | 22 % | 57 % |
| 55 | Number of Google Plus Pages Authority | -0.1 | 3 | 1 | 13 % | 59 % |
| 56 | Number of Facebook Share Links Authority | -0.1 | 5 | 1 | 9 % | 53 % |
| 57 | Number of Social Share Links Authority | -0.1 | 5 | 1 | 11 % | 55 % |
| 58 | Number of PingBacks Authority | -0.1 | 1 | 1 | 20 % | 44 % |
| 59 | Number of Facebook Pages Authority | -0.1 | 1 | 1 | 5 % | 51 % |
| 60 | Number of LinkedIn Accounts Authority | -0.09 | 3 | 1 | 5 % | 45 % |