Top SEO Factor data is updated daily for latest "month to date" measurements.
| Name | Correlation | #1 Max | Page 1 Avg | Usage % | Searches % | |
| 1 | Ahrefs Referring Class C Addresses Authority | -0.25 | 1726 | 46 | 56 % | 18 % |
| 2 | Ahrefs Referring IP Addresses Authority | -0.25 | 2803 | 66 | 56 % | 18 % |
| 3 | Ahrefs Referring Domains Authority | -0.24 | 16556 | 185 | 56 % | 18 % |
| 4 | Ahrefs Text Backlinks Authority | -0.23 | 2403449 | 15434 | 56 % | 18 % |
| 5 | Ahrefs Backlinks Authority | -0.23 | 2403474 | 15509 | 57 % | 18 % |
| 6 | Ahrefs Referring Pages Authority | -0.23 | 2403469 | 15532 | 57 % | 18 % |
| 7 | Ahrefs NoFollow Backlinks Authority | -0.23 | 103227 | 717 | 46 % | 19 % |
| 8 | Ahrefs Dofollow Backlinks Authority | -0.22 | 2300222 | 14946 | 49 % | 18 % |
| 9 | Ahrefs Has Text Backlinks Authority | -0.21 | 1 | 1 | 55 % | 18 % |
| 10 | Ahrefs Has Backlinks Authority | -0.2 | 1 | 1 | 56 % | 18 % |
| 11 | Ahrefs Has Dofollow Backlinks Authority | -0.2 | 1 | 1 | 48 % | 17 % |
| 12 | Ahrefs Has NoFollow Backlinks Authority | -0.2 | 1 | 1 | 46 % | 18 % |
| 13 | Number of HTTPS Links Authority | -0.18 | 561 | 137 | 87 % | 78 % |
| 14 | Ahrefs Has Image Backlinks Authority | -0.17 | 1 | 1 | 22 % | 15 % |
| 15 | Number of Links Authority | -0.17 | 568 | 155 | 91 % | 74 % |
| 16 | Ahrefs Internal Links Authority | -0.16 | 260 | 72 | 67 % | 17 % |
| 17 | Number of DoFollow Links Authority | -0.16 | 548 | 148 | 91 % | 73 % |
| 18 | Number of Absolute URLs Authority | -0.16 | 687 | 190 | 92 % | 76 % |
| 19 | Ahrefs External Links Authority | -0.16 | 129 | 17 | 63 % | 18 % |
| 20 | Number of Internal Links Authority | -0.16 | 539 | 136 | 90 % | 74 % |
| 21 | Ahrefs Linked Root Domains Authority | -0.16 | 25 | 7 | 68 % | 18 % |
| 22 | Number of External Links Authority | -0.16 | 213 | 20 | 86 % | 75 % |
| 23 | Ahrefs Has External Links Authority | -0.15 | 1 | 1 | 61 % | 16 % |
| 24 | Ahrefs Has Internal Links Authority | -0.15 | 1 | 1 | 66 % | 15 % |
| 25 | Ahrefs Has Linked Root Domains Authority | -0.15 | 1 | 1 | 67 % | 15 % |
| 26 | Number of DoFollow External Links Authority | -0.15 | 210 | 17 | 84 % | 72 % |
| 27 | Number of Social Accounts Authority | -0.15 | 30 | 3 | 56 % | 68 % |
| 28 | Number of Social Pages Authority | -0.14 | 47 | 2 | 49 % | 70 % |
| 29 | Number of NoFollow External Links Authority | -0.14 | 87 | 4 | 26 % | 76 % |
| 30 | Has Canonical URL Authority | -0.14 | 1 | 1 | 69 % | 67 % |
| 31 | Number of Nofollow Links Authority | -0.14 | 93 | 8 | 39 % | 75 % |
| 32 | Number of Twitter Accounts Authority | -0.14 | 18 | 1 | 47 % | 68 % |
| 33 | Percentage of DoFollow Internal Links Authority | -0.13 | 94 | 80 | 89 % | 63 % |
| 34 | Ahrefs Redirects Authority | -0.13 | 133 | 3 | 11 % | 15 % |
| 35 | Percentage of DoFollow Links Authority | -0.13 | 100 | 93 | 90 % | 62 % |
| 36 | Percentage of DoFollow External Links Authority | -0.13 | 46 | 14 | 82 % | 59 % |
| 37 | Percentage of NoFollow External Links Authority | -0.13 | 18 | 3 | 25 % | 71 % |
| 38 | Percentage of NoFollow Links Authority | -0.13 | 22 | 5 | 37 % | 69 % |
| 39 | Number of Facebook Accounts Authority | -0.13 | 12 | 1 | 36 % | 68 % |
| 40 | Has Meta Twitter Description Authority | -0.13 | 1 | 1 | 33 % | 59 % |
| 41 | Has Meta Twitter Title Authority | -0.13 | 1 | 1 | 34 % | 58 % |
| 42 | Ahrefs Has Redirects Authority | -0.12 | 1 | 1 | 11 % | 14 % |
| 43 | Has Meta Twitter Card Authority | -0.12 | 1 | 1 | 38 % | 57 % |
| 44 | Number of Instagram Pages Authority | -0.12 | 19 | 1 | 32 % | 67 % |
| 45 | Has RSS Link Authority | -0.12 | 1 | 1 | 33 % | 49 % |
| 46 | Number of LinkedIn Pages Authority | -0.12 | 4 | 1 | 19 % | 62 % |
| 47 | Has Meta Twitter Site Authority | -0.11 | 1 | 1 | 20 % | 58 % |
| 48 | Number of Google Plus Pages Authority | -0.11 | 3 | 1 | 14 % | 61 % |
| 49 | Has Rel Next Link Authority | -0.11 | 1 | 1 | 7 % | 54 % |
| 50 | Percentage of NoFollow Internal Links Authority | -0.11 | 20 | 3 | 25 % | 64 % |
| 51 | Has Rel Pagination Authority | -0.11 | 1 | 1 | 7 % | 54 % |
| 52 | Number of LinkedIn Accounts Authority | -0.11 | 2 | 1 | 5 % | 42 % |
| 53 | Number of PingBacks Authority | -0.11 | 1 | 1 | 19 % | 48 % |
| 54 | Has Twitter Account ID Authority | -0.1 | 1 | 1 | 2 % | 16 % |
| 55 | Has Facebook Page ID Authority | -0.1 | 1 | 1 | 2 % | 20 % |
| 56 | Number of Social Share Links Authority | -0.1 | 5 | 1 | 11 % | 56 % |
| 57 | Number of Facebook Share Links Authority | -0.1 | 5 | 1 | 8 % | 55 % |
| 58 | Search Result Link Text Has Domain Phrase Authority | -0.1 | 1 | 1 | 8 % | 66 % |
| 59 | Number of Rel Author Links Authority | -0.1 | 4 | 1 | 7 % | 52 % |
| 60 | Number of Facebook Pages Authority | -0.1 | 9 | 1 | 5 % | 50 % |