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 Images Size | -0.22 | 81 | 26 | 63 % | 87 % |
| 2 | Number of P Tags Size | -0.21 | 204 | 38 | 63 % | 86 % |
| 3 | Number of Images with ALT Text Size | -0.21 | 67 | 19 | 59 % | 87 % |
| 4 | Number of H1 Tags Size | -0.2 | 4 | 1 | 60 % | 82 % |
| 5 | Number of Heading Tags Size | -0.2 | 70 | 20 | 64 % | 88 % |
| 6 | Number of H2 Tags Size | -0.2 | 21 | 7 | 58 % | 84 % |
| 7 | Number of HTML Tags Size | -0.2 | 2555 | 898 | 77 % | 85 % |
| 8 | Number of Images without ALT Text Size | -0.18 | 36 | 8 | 45 % | 86 % |
| 9 | Number of HTML Comments Size | -0.18 | 492 | 58 | 59 % | 83 % |
| 10 | Number of H3 Tags Size | -0.18 | 37 | 9 | 50 % | 86 % |
| 11 | Number of Forms Technology | -0.17 | 12 | 2 | 39 % | 76 % |
| 12 | Is Home Page Other | -0.16 | 1 | 1 | 14 % | 55 % |
| 13 | Is Article Page Other | -0.15 | 1 | 1 | 36 % | 66 % |
| 14 | Number of H4 Tags Size | -0.14 | 12 | 3 | 28 % | 79 % |
| 15 | Is Store Page Other | -0.13 | 1 | 1 | 35 % | 68 % |
| 16 | Number of H5 Tags Size | -0.12 | 21 | 2 | 12 % | 80 % |
| 17 | Is Category Page Other | -0.12 | 1 | 1 | 12 % | 62 % |
| 18 | Is Purchase Page Other | -0.12 | 1 | 1 | 35 % | 52 % |
| 19 | Number of HREF Lang Tags Size | -0.11 | 26 | 2 | 8 % | 77 % |
| 20 | Is Pagination Page Other | -0.11 | 1 | 1 | 14 % | 65 % |
| 21 | Is Search Result Page Other | -0.11 | 1 | 1 | 10 % | 35 % |
| 22 | Number of H6 Tags Size | -0.1 | 6 | 1 | 7 % | 73 % |