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 HTML Tags Size | -0.16 | 3541 | 1046 | 84 % | 84 % |
| 2 | Number of Images Size | -0.16 | 180 | 30 | 80 % | 83 % |
| 3 | Number of P Tags Size | -0.16 | 199 | 40 | 79 % | 82 % |
| 4 | Number of Images with ALT Text Size | -0.15 | 177 | 20 | 75 % | 86 % |
| 5 | Number of Heading Tags Size | -0.15 | 87 | 22 | 80 % | 81 % |
| 6 | Number of H2 Tags Size | -0.14 | 19 | 7 | 71 % | 79 % |
| 7 | Number of H1 Tags Size | -0.14 | 4 | 2 | 74 % | 79 % |
| 8 | Number of H3 Tags Size | -0.14 | 30 | 9 | 64 % | 80 % |
| 9 | Number of HTML Comments Size | -0.14 | 493 | 46 | 75 % | 81 % |
| 10 | Number of Images without ALT Text Size | -0.13 | 109 | 10 | 60 % | 80 % |
| 11 | Number of Forms Technology | -0.13 | 20 | 2 | 56 % | 75 % |
| 12 | Number of H4 Tags Size | -0.12 | 80 | 4 | 39 % | 75 % |
| 13 | Is Article Page Other | -0.12 | 1 | 1 | 46 % | 61 % |
| 14 | Is Home Page Other | -0.12 | 1 | 1 | 17 % | 39 % |
| 15 | Is Purchase Page Other | -0.12 | 1 | 1 | 44 % | 69 % |
| 16 | Is Store Page Other | -0.11 | 1 | 1 | 45 % | 67 % |
| 17 | Number of HREF Lang Tags Size | -0.11 | 18 | 2 | 10 % | 68 % |
| 18 | Number of H5 Tags Size | -0.1 | 22 | 2 | 19 % | 71 % |
| 19 | Is Category Page Other | -0.1 | 1 | 1 | 12 % | 65 % |
| 20 | Number of H6 Tags Size | -0.1 | 10 | 1 | 10 % | 64 % |
| 21 | Is Search Result Page Other | -0.1 | 1 | 1 | 5 % | 60 % |
| 22 | Is Pagination Page Other | -0.1 | 1 | 1 | 16 % | 64 % |