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 IP Addresses Authority | -0.24 | 1556 | 74 | 59 % | 15 % |
| 2 | Ahrefs Referring Class C Addresses Authority | -0.24 | 1078 | 53 | 59 % | 15 % |
| 3 | Ahrefs Referring Domains Authority | -0.24 | 12636 | 175 | 59 % | 15 % |
| 4 | Ahrefs Backlinks Authority | -0.22 | 440538 | 11568 | 59 % | 15 % |
| 5 | Ahrefs Referring Pages Authority | -0.22 | 440536 | 11568 | 59 % | 15 % |
| 6 | Ahrefs Text Backlinks Authority | -0.22 | 440532 | 11376 | 58 % | 15 % |
| 7 | Ahrefs NoFollow Backlinks Authority | -0.22 | 29025 | 546 | 47 % | 15 % |
| 8 | Ahrefs Dofollow Backlinks Authority | -0.2 | 440435 | 11023 | 51 % | 15 % |
| 9 | Ahrefs Has NoFollow Backlinks Authority | -0.2 | 1 | 1 | 48 % | 15 % |
| 10 | Ahrefs Has Text Backlinks Authority | -0.2 | 1 | 1 | 57 % | 15 % |
| 11 | Ahrefs Has Backlinks Authority | -0.19 | 1 | 1 | 58 % | 15 % |
| 12 | Ahrefs Has Dofollow Backlinks Authority | -0.19 | 1 | 1 | 50 % | 14 % |
| 13 | Number of HTTPS Links Authority | -0.18 | 576 | 133 | 88 % | 82 % |
| 14 | Ahrefs Linked Root Domains Authority | -0.17 | 30 | 7 | 67 % | 14 % |
| 15 | Ahrefs Internal Links Authority | -0.17 | 435 | 81 | 67 % | 15 % |
| 16 | Number of Links Authority | -0.17 | 676 | 147 | 92 % | 79 % |
| 17 | Number of Absolute URLs Authority | -0.17 | 668 | 188 | 93 % | 77 % |
| 18 | Number of Internal Links Authority | -0.16 | 662 | 128 | 91 % | 79 % |
| 19 | Number of DoFollow Links Authority | -0.16 | 673 | 140 | 92 % | 79 % |
| 20 | Number of External Links Authority | -0.16 | 166 | 20 | 86 % | 75 % |
| 21 | Ahrefs External Links Authority | -0.16 | 53 | 15 | 62 % | 14 % |
| 22 | Number of DoFollow External Links Authority | -0.15 | 165 | 17 | 85 % | 71 % |
| 23 | Number of Social Pages Authority | -0.14 | 130 | 2 | 48 % | 68 % |
| 24 | Ahrefs Has Image Backlinks Authority | -0.14 | 1 | 1 | 23 % | 12 % |
| 25 | Ahrefs Has External Links Authority | -0.14 | 1 | 1 | 60 % | 13 % |
| 26 | Number of Social Accounts Authority | -0.14 | 9 | 3 | 57 % | 70 % |
| 27 | Ahrefs Has Internal Links Authority | -0.14 | 1 | 1 | 65 % | 13 % |
| 28 | Ahrefs Has Linked Root Domains Authority | -0.14 | 1 | 1 | 66 % | 13 % |
| 29 | Number of Nofollow Links Authority | -0.13 | 55 | 8 | 38 % | 80 % |
| 30 | Has Canonical URL Authority | -0.13 | 1 | 1 | 72 % | 69 % |
| 31 | Number of Twitter Accounts Authority | -0.13 | 5 | 1 | 48 % | 67 % |
| 32 | Number of NoFollow External Links Authority | -0.13 | 34 | 4 | 27 % | 78 % |
| 33 | Number of Facebook Accounts Authority | -0.13 | 3 | 1 | 35 % | 68 % |
| 34 | Ahrefs Redirects Authority | -0.13 | 2071 | 20 | 12 % | 13 % |
| 35 | Percentage of NoFollow Links Authority | -0.13 | 23 | 5 | 36 % | 73 % |
| 36 | Percentage of NoFollow External Links Authority | -0.12 | 20 | 3 | 25 % | 74 % |
| 37 | Percentage of DoFollow External Links Authority | -0.12 | 28 | 14 | 82 % | 57 % |
| 38 | Number of Instagram Pages Authority | -0.12 | 127 | 2 | 29 % | 64 % |
| 39 | Has Rel Pagination Authority | -0.12 | 1 | 1 | 7 % | 52 % |
| 40 | Has Rel Next Link Authority | -0.12 | 1 | 1 | 7 % | 53 % |
| 41 | Number of LinkedIn Pages Authority | -0.12 | 4 | 1 | 22 % | 66 % |
| 42 | Percentage of DoFollow Internal Links Authority | -0.12 | 96 | 81 | 90 % | 63 % |
| 43 | Has Meta Twitter Description Authority | -0.12 | 1 | 1 | 36 % | 61 % |
| 44 | Percentage of NoFollow Internal Links Authority | -0.11 | 18 | 3 | 24 % | 69 % |
| 45 | Percentage of DoFollow Links Authority | -0.11 | 100 | 94 | 90 % | 59 % |
| 46 | Has Meta Twitter Card Authority | -0.11 | 1 | 1 | 41 % | 57 % |
| 47 | Has Meta Twitter Title Authority | -0.11 | 1 | 1 | 38 % | 58 % |
| 48 | Has Meta Twitter Site Authority | -0.11 | 1 | 1 | 20 % | 57 % |
| 49 | Number of Google Plus Pages Authority | -0.11 | 2 | 1 | 13 % | 61 % |
| 50 | Has Twitter Account ID Authority | -0.11 | 1 | 1 | 2 % | 17 % |
| 51 | Has RSS Link Authority | -0.1 | 1 | 1 | 36 % | 48 % |
| 52 | Number of Social Share Links Authority | -0.1 | 3 | 1 | 11 % | 54 % |
| 53 | Number of Facebook Share Links Authority | -0.1 | 2 | 1 | 8 % | 53 % |
| 54 | Number of PingBacks Authority | -0.1 | 1 | 1 | 20 % | 45 % |
| 55 | Number of LinkedIn Accounts Authority | -0.1 | 2 | 1 | 5 % | 48 % |
| 56 | Number of Flickr Images Authority | -0.09 | 2 | 1 | 2 % | 24 % |
| 57 | Number of Rel Author Links Authority | -0.09 | 7 | 1 | 7 % | 53 % |
| 58 | Has Facebook Page ID Authority | -0.09 | 1 | 1 | 2 % | 21 % |
| 59 | Has Meta Twitter Domain Authority | -0.09 | 1 | 1 | 3 % | 38 % |
| 60 | Number of Facebook Pages Authority | -0.09 | 2 | 1 | 5 % | 50 % |