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 | -0.27 | 34 | 16 | 94 % | 15 % |
| 2 | Ahrefs Referring Class C Addresses Authority | -0.25 | 881 | 32 | 53 % | 20 % |
| 3 | Ahrefs Referring IP Addresses Authority | -0.25 | 1225 | 37 | 53 % | 20 % |
| 4 | Ahrefs Referring Domains Authority | -0.24 | 2104 | 52 | 53 % | 21 % |
| 5 | Ahrefs Text Backlinks Authority | -0.23 | 451657 | 6383 | 52 % | 20 % |
| 6 | Ahrefs Backlinks Authority | -0.23 | 451666 | 6405 | 53 % | 20 % |
| 7 | Ahrefs Referring Pages Authority | -0.23 | 451667 | 6410 | 53 % | 21 % |
| 8 | Ahrefs NoFollow Backlinks Authority | -0.23 | 57672 | 529 | 41 % | 21 % |
| 9 | Ahrefs Dofollow Backlinks Authority | -0.22 | 450093 | 5874 | 46 % | 20 % |
| 10 | Ahrefs Has NoFollow Backlinks Authority | -0.21 | 1 | 1 | 40 % | 20 % |
| 11 | Ahrefs Has Text Backlinks Authority | -0.21 | 1 | 1 | 52 % | 20 % |
| 12 | Ahrefs Has Backlinks Authority | -0.2 | 1 | 1 | 53 % | 20 % |
| 13 | Ahrefs Has Dofollow Backlinks Authority | -0.2 | 1 | 1 | 45 % | 19 % |
| 14 | Number of HTTPS Links Authority | -0.17 | 617 | 128 | 87 % | 80 % |
| 15 | Number of Links Authority | -0.17 | 644 | 143 | 91 % | 78 % |
| 16 | Number of Internal Links Authority | -0.17 | 611 | 126 | 90 % | 78 % |
| 17 | Ahrefs Internal Links Authority | -0.17 | 372 | 76 | 66 % | 21 % |
| 18 | Number of Absolute URLs Authority | -0.17 | 861 | 173 | 93 % | 77 % |
| 19 | Number of DoFollow Links Authority | -0.17 | 636 | 137 | 91 % | 78 % |
| 20 | Ahrefs External Links Authority | -0.16 | 94 | 15 | 61 % | 20 % |
| 21 | Ahrefs Linked Root Domains Authority | -0.16 | 26 | 7 | 66 % | 20 % |
| 22 | Ahrefs Has Image Backlinks Authority | -0.16 | 1 | 1 | 20 % | 17 % |
| 23 | Ahrefs Has Linked Root Domains Authority | -0.16 | 1 | 1 | 65 % | 18 % |
| 24 | Number of External Links Authority | -0.16 | 146 | 18 | 85 % | 73 % |
| 25 | Ahrefs Has Internal Links Authority | -0.16 | 1 | 1 | 64 % | 18 % |
| 26 | Ahrefs Has External Links Authority | -0.15 | 1 | 1 | 59 % | 18 % |
| 27 | Number of Social Pages Authority | -0.15 | 45 | 2 | 46 % | 68 % |
| 28 | Number of Social Accounts Authority | -0.15 | 19 | 2 | 54 % | 70 % |
| 29 | Has Canonical URL Authority | -0.14 | 1 | 1 | 67 % | 68 % |
| 30 | Number of DoFollow External Links Authority | -0.14 | 164 | 15 | 83 % | 71 % |
| 31 | Percentage of DoFollow Internal Links Authority | -0.14 | 96 | 81 | 89 % | 67 % |
| 32 | Number of Nofollow Links Authority | -0.14 | 168 | 7 | 36 % | 78 % |
| 33 | Number of Twitter Accounts Authority | -0.14 | 11 | 1 | 45 % | 67 % |
| 34 | Number of NoFollow External Links Authority | -0.14 | 55 | 4 | 25 % | 77 % |
| 35 | Percentage of NoFollow Links Authority | -0.13 | 22 | 5 | 35 % | 72 % |
| 36 | Ahrefs EDU Backlinks Authority | -0.13 | 4939 | 47 | 8 % | 13 % |
| 37 | Number of Facebook Accounts Authority | -0.13 | 8 | 1 | 34 % | 68 % |
| 38 | Percentage of NoFollow External Links Authority | -0.13 | 18 | 3 | 23 % | 72 % |
| 39 | Ahrefs Redirects Authority | -0.13 | 274 | 3 | 10 % | 16 % |
| 40 | Percentage of DoFollow Links Authority | -0.13 | 100 | 94 | 90 % | 64 % |
| 41 | Has Meta Twitter Card Authority | -0.13 | 1 | 1 | 37 % | 55 % |
| 42 | Has Meta Twitter Description Authority | -0.13 | 1 | 1 | 32 % | 60 % |
| 43 | Number of Instagram Pages Authority | -0.12 | 36 | 1 | 28 % | 66 % |
| 44 | Percentage of DoFollow External Links Authority | -0.12 | 34 | 14 | 81 % | 57 % |
| 45 | Has Meta Twitter Title Authority | -0.12 | 1 | 1 | 33 % | 58 % |
| 46 | Ahrefs Has Redirects Authority | -0.12 | 1 | 1 | 10 % | 14 % |
| 47 | Number of LinkedIn Pages Authority | -0.12 | 15 | 1 | 21 % | 63 % |
| 48 | Has RSS Link Authority | -0.12 | 1 | 1 | 33 % | 47 % |
| 49 | Has Rel Pagination Authority | -0.12 | 1 | 1 | 7 % | 57 % |
| 50 | Has Rel Next Link Authority | -0.12 | 1 | 1 | 7 % | 57 % |
| 51 | Percentage of NoFollow Internal Links Authority | -0.12 | 11 | 3 | 24 % | 69 % |
| 52 | Has Meta Twitter Site Authority | -0.11 | 1 | 1 | 18 % | 56 % |
| 53 | Has Twitter Account ID Authority | -0.11 | 1 | 1 | 2 % | 17 % |
| 54 | Number of Google Plus Pages Authority | -0.11 | 2 | 1 | 13 % | 60 % |
| 55 | Ahrefs Canonical Backlinks Authority | -0.11 | 23 | 1 | 5 % | 13 % |
| 56 | Number of Facebook Share Links Authority | -0.1 | 6 | 1 | 8 % | 53 % |
| 57 | Number of Social Share Links Authority | -0.1 | 6 | 1 | 10 % | 55 % |
| 58 | Number of LinkedIn Accounts Authority | -0.1 | 3 | 1 | 5 % | 41 % |
| 59 | Number of PingBacks Authority | -0.1 | 1 | 1 | 19 % | 48 % |
| 60 | Search Result Link Text Has Domain Phrase Authority | -0.1 | 1 | 1 | 9 % | 67 % |