Top SEO Factor data is updated daily for latest "month to date" measurements.
| Name | Correlation | #1 Max | Page 1 Avg | Usage % | Searches % | |
| 1 | Number of HTTPS Links Authority | -0.15 | 399 | 107 | 74 % | 84 % |
| 2 | Number of Links Authority | -0.14 | 404 | 114 | 76 % | 82 % |
| 3 | Number of Internal Links Authority | -0.14 | 387 | 99 | 75 % | 82 % |
| 4 | Number of DoFollow Links Authority | -0.14 | 396 | 108 | 76 % | 81 % |
| 5 | Number of Absolute URLs Authority | -0.14 | 414 | 112 | 77 % | 82 % |
| 6 | Ahrefs Referring Class C Addresses Authority | -0.13 | 1145 | 24 | 29 % | 17 % |
| 7 | Has Canonical URL Authority | -0.13 | 1 | 1 | 63 % | 73 % |
| 8 | Ahrefs Referring IP Addresses Authority | -0.13 | 3001 | 39 | 29 % | 17 % |
| 9 | Ahrefs Referring Domains Authority | -0.13 | 15970 | 108 | 29 % | 17 % |
| 10 | Ahrefs Text Backlinks Authority | -0.12 | 525332 | 6298 | 29 % | 17 % |
| 11 | Ahrefs Backlinks Authority | -0.12 | 527028 | 6309 | 29 % | 17 % |
| 12 | Ahrefs Referring Pages Authority | -0.12 | 527027 | 6309 | 29 % | 17 % |
| 13 | Number of Nofollow Links Authority | -0.12 | 82 | 6 | 32 % | 82 % |
| 14 | Ahrefs Rank Authority | -0.12 | 51 | 7 | 38 % | 14 % |
| 15 | Number of External Links Authority | -0.12 | 100 | 15 | 69 % | 77 % |
| 16 | Ahrefs NoFollow Backlinks Authority | -0.12 | 83029 | 636 | 24 % | 17 % |
| 17 | DomDetailer Majestic IPs Authority | -0.12 | 241563 | 24734 | 55 % | 22 % |
| 18 | DomDetailer Majestic Referring Subnets Authority | -0.12 | 47121 | 6512 | 55 % | 22 % |
| 19 | DomDetailer Moz PA Authority | -0.12 | 69 | 24 | 55 % | 21 % |
| 20 | DomDetailer Majestic Referring Domains Authority | -0.12 | 1489372 | 145325 | 55 % | 22 % |
| 21 | Number of NoFollow External Links Authority | -0.11 | 73 | 3 | 22 % | 80 % |
| 22 | DomDetailer Majestic CF Authority | -0.11 | 56 | 18 | 53 % | 21 % |
| 23 | Ahrefs Dofollow Backlinks Authority | -0.11 | 486840 | 5746 | 24 % | 17 % |
| 24 | Percentage of NoFollow Links Authority | -0.11 | 24 | 4 | 30 % | 76 % |
| 25 | DomDetailer Moz Rank Authority | -0.11 | 8 | 3 | 54 % | 21 % |
| 26 | DomDetailer Majestic Links Authority | -0.11 | 105504700 | 6669024 | 55 % | 21 % |
| 27 | Ahrefs Has NoFollow Backlinks Authority | -0.11 | 1 | 0 | 23 % | 17 % |
| 28 | Percentage of NoFollow External Links Authority | -0.11 | 21 | 2 | 20 % | 75 % |
| 29 | DomDetailer Moz DA Authority | -0.11 | 87 | 23 | 54 % | 21 % |
| 30 | Number of DoFollow External Links Authority | -0.11 | 42 | 12 | 67 % | 77 % |
| 31 | Ahrefs Has Backlinks Authority | -0.1 | 1 | 0 | 29 % | 17 % |
| 32 | Ahrefs Has Text Backlinks Authority | -0.1 | 1 | 1 | 29 % | 17 % |
| 33 | DomDetailer Majestic TF Authority | -0.1 | 65 | 15 | 46 % | 20 % |
| 34 | Ahrefs Has Dofollow Backlinks Authority | -0.1 | 1 | 0 | 24 % | 16 % |
| 35 | DomDetailer Facebook Shares Authority | -0.1 | 55020056 | 6143799 | 51 % | 22 % |
| 36 | DomDetailer Moz Links Authority | -0.1 | 77872942 | 8422966 | 55 % | 22 % |
| 37 | Number of Social Accounts Authority | -0.1 | 9 | 2 | 41 % | 71 % |
| 38 | Percentage of DoFollow Internal Links Authority | -0.1 | 94 | 63 | 72 % | 70 % |
| 39 | Percentage of DoFollow Links Authority | -0.1 | 100 | 72 | 70 % | 67 % |
| 40 | Has Meta Twitter Description Authority | -0.1 | 1 | 1 | 31 % | 65 % |
| 41 | Percentage of NoFollow Internal Links Authority | -0.1 | 11 | 2 | 22 % | 72 % |
| 42 | Number of Twitter Accounts Authority | -0.09 | 8 | 1 | 35 % | 69 % |
| 43 | Number of LinkedIn Pages Authority | -0.09 | 2 | 1 | 18 % | 71 % |
| 44 | Number of Facebook Accounts Authority | -0.09 | 3 | 1 | 27 % | 72 % |
| 45 | Has Meta Twitter Card Authority | -0.09 | 1 | 1 | 35 % | 64 % |
| 46 | Has Meta Twitter Title Authority | -0.09 | 1 | 1 | 32 % | 65 % |
| 47 | Number of Social Pages Authority | -0.09 | 12 | 1 | 36 % | 70 % |
| 48 | Number of Instagram Pages Authority | -0.09 | 8 | 1 | 23 % | 66 % |
| 49 | Ahrefs Domain Rating Authority | -0.09 | 89 | 22 | 35 % | 14 % |
| 50 | Has Meta Twitter Site Authority | -0.09 | 1 | 1 | 18 % | 64 % |
| 51 | Percentage of DoFollow External Links Authority | -0.09 | 27 | 11 | 62 % | 64 % |
| 52 | Ahrefs Linked Root Domains Authority | -0.08 | 17 | 4 | 34 % | 17 % |
| 53 | Ahrefs Internal Links Authority | -0.08 | 176 | 36 | 34 % | 17 % |
| 54 | Ahrefs External Links Authority | -0.08 | 58 | 8 | 31 % | 17 % |
| 55 | Has RSS Link Authority | -0.08 | 1 | 1 | 28 % | 54 % |
| 56 | Number of Social Share Links Authority | -0.07 | 2 | 1 | 8 % | 63 % |
| 57 | Number of Facebook Share Links Authority | -0.07 | 2 | 1 | 6 % | 64 % |
| 58 | DomDetailer Majestic GOV Backlinks Authority | -0.07 | 27475683 | 1797978 | 16 % | 20 % |
| 59 | Ahrefs Has External Links Authority | -0.07 | 1 | 0 | 29 % | 17 % |
| 60 | Ahrefs Has Image Backlinks Authority | -0.07 | 1 | 0 | 8 % | 15 % |