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 | -0.27 | 837 | 43 | 60 % | 15 % |
| 2 | Ahrefs Referring IP Addresses Authority | -0.27 | 2198 | 57 | 60 % | 15 % |
| 3 | Ahrefs Referring Domains Authority | -0.27 | 13266 | 115 | 60 % | 15 % |
| 4 | Ahrefs Text Backlinks Authority | -0.26 | 588180 | 14612 | 60 % | 15 % |
| 5 | Ahrefs Referring Pages Authority | -0.25 | 589465 | 14575 | 60 % | 15 % |
| 6 | Ahrefs Backlinks Authority | -0.25 | 589466 | 14623 | 60 % | 15 % |
| 7 | Ahrefs NoFollow Backlinks Authority | -0.25 | 76215 | 755 | 47 % | 15 % |
| 8 | Ahrefs Dofollow Backlinks Authority | -0.25 | 537518 | 14209 | 52 % | 15 % |
| 9 | Ahrefs Has NoFollow Backlinks Authority | -0.23 | 1 | 1 | 47 % | 15 % |
| 10 | Ahrefs Has Text Backlinks Authority | -0.21 | 1 | 1 | 59 % | 15 % |
| 11 | Ahrefs Has Dofollow Backlinks Authority | -0.21 | 1 | 1 | 52 % | 15 % |
| 12 | Ahrefs Has Backlinks Authority | -0.21 | 1 | 1 | 60 % | 15 % |
| 13 | Number of HTTPS Links Authority | -0.19 | 588 | 143 | 88 % | 84 % |
| 14 | Number of Links Authority | -0.18 | 595 | 157 | 91 % | 81 % |
| 15 | Number of DoFollow Links Authority | -0.18 | 585 | 149 | 91 % | 81 % |
| 16 | Number of Internal Links Authority | -0.18 | 572 | 137 | 91 % | 80 % |
| 17 | Number of External Links Authority | -0.18 | 268 | 21 | 87 % | 80 % |
| 18 | Ahrefs Internal Links Authority | -0.18 | 265 | 80 | 69 % | 14 % |
| 19 | Ahrefs Linked Root Domains Authority | -0.17 | 22 | 8 | 68 % | 14 % |
| 20 | Number of Absolute URLs Authority | -0.17 | 1307 | 198 | 95 % | 81 % |
| 21 | Ahrefs External Links Authority | -0.17 | 82 | 16 | 63 % | 14 % |
| 22 | Number of DoFollow External Links Authority | -0.16 | 176 | 17 | 84 % | 77 % |
| 23 | Number of Nofollow Links Authority | -0.16 | 239 | 9 | 40 % | 81 % |
| 24 | Number of Social Pages Authority | -0.16 | 23 | 2 | 49 % | 71 % |
| 25 | Has Canonical URL Authority | -0.16 | 1 | 1 | 73 % | 72 % |
| 26 | Ahrefs Redirects Authority | -0.15 | 238 | 7 | 13 % | 12 % |
| 27 | Ahrefs Has External Links Authority | -0.15 | 1 | 1 | 62 % | 12 % |
| 28 | Number of NoFollow External Links Authority | -0.15 | 234 | 5 | 28 % | 80 % |
| 29 | Ahrefs Has Linked Root Domains Authority | -0.15 | 1 | 1 | 67 % | 12 % |
| 30 | Ahrefs Has Internal Links Authority | -0.15 | 1 | 1 | 67 % | 12 % |
| 31 | Percentage of DoFollow Links Authority | -0.15 | 100 | 92 | 90 % | 64 % |
| 32 | Percentage of DoFollow External Links Authority | -0.15 | 66 | 14 | 82 % | 63 % |
| 33 | Number of Social Accounts Authority | -0.15 | 9 | 3 | 57 % | 73 % |
| 34 | Percentage of NoFollow Links Authority | -0.14 | 22 | 6 | 38 % | 75 % |
| 35 | Percentage of DoFollow Internal Links Authority | -0.14 | 94 | 79 | 90 % | 67 % |
| 36 | Percentage of NoFollow External Links Authority | -0.14 | 19 | 3 | 26 % | 75 % |
| 37 | Number of Twitter Accounts Authority | -0.14 | 4 | 1 | 49 % | 71 % |
| 38 | Number of Facebook Accounts Authority | -0.13 | 4 | 1 | 36 % | 72 % |
| 39 | Number of Instagram Pages Authority | -0.13 | 12 | 1 | 34 % | 68 % |
| 40 | Percentage of NoFollow Internal Links Authority | -0.13 | 16 | 3 | 26 % | 70 % |
| 41 | Has Rel Pagination Authority | -0.12 | 1 | 1 | 7 % | 60 % |
| 42 | Has Rel Next Link Authority | -0.12 | 1 | 1 | 7 % | 60 % |
| 43 | Has Meta Twitter Description Authority | -0.12 | 1 | 1 | 35 % | 59 % |
| 44 | Number of LinkedIn Pages Authority | -0.12 | 3 | 1 | 20 % | 65 % |
| 45 | Has Meta Twitter Card Authority | -0.12 | 1 | 1 | 40 % | 57 % |
| 46 | Has Meta Twitter Title Authority | -0.12 | 1 | 1 | 36 % | 59 % |
| 47 | Has Twitter Account ID Authority | -0.12 | 1 | 1 | 2 % | 22 % |
| 48 | Has RSS Link Authority | -0.11 | 1 | 1 | 33 % | 48 % |
| 49 | Has Meta Twitter Site Authority | -0.11 | 1 | 1 | 21 % | 57 % |
| 50 | Number of Facebook Share Links Authority | -0.11 | 3 | 1 | 8 % | 56 % |
| 51 | Number of Social Share Links Authority | -0.11 | 3 | 1 | 11 % | 56 % |
| 52 | Number of PingBacks Authority | -0.1 | 1 | 1 | 19 % | 48 % |
| 53 | Number of Google Plus Pages Authority | -0.1 | 2 | 1 | 11 % | 61 % |
| 54 | Number of LinkedIn Accounts Authority | -0.1 | 2 | 1 | 5 % | 44 % |
| 55 | Number of Rel Author Links Authority | -0.1 | 10 | 1 | 7 % | 56 % |
| 56 | Has Facebook Page ID Authority | -0.1 | 1 | 1 | 2 % | 21 % |
| 57 | Number of Tumblr Pages Authority | -0.1 | 6 | 1 | 3 % | 40 % |
| 58 | Number of Google Plus Share Links Authority | -0.09 | 2 | 1 | 4 % | 44 % |
| 59 | Number of Twitter Share Links Authority | -0.09 | 1 | 1 | 2 % | 31 % |
| 60 | Has Meta Twitter Domain Authority | -0.09 | 1 | 1 | 3 % | 40 % |