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 | -0.19 | 2973 | 902 | 96 % | 86 % |
| 2 | Number of P Tags Size | -0.16 | 106 | 38 | 90 % | 84 % |
| 3 | Number of Images with ALT Text Size | -0.16 | 104 | 18 | 85 % | 84 % |
| 4 | Number of Images Size | -0.16 | 123 | 27 | 91 % | 83 % |
| 5 | Number of Heading Tags Size | -0.15 | 46 | 21 | 92 % | 86 % |
| 6 | Number of H2 Tags Size | -0.14 | 19 | 7 | 77 % | 85 % |
| 7 | Number of H3 Tags Size | -0.13 | 28 | 8 | 70 % | 82 % |
| 8 | Number of H4 Tags Size | -0.12 | 13 | 5 | 47 % | 82 % |
| 9 | Number of HREF Lang Tags Size | -0.11 | 12 | 2 | 10 % | 71 % |
| 10 | Number of HTML Comments Size | -0.11 | 291 | 29 | 76 % | 73 % |
| 11 | Number of Images without ALT Text Size | -0.11 | 39 | 10 | 68 % | 74 % |
| 12 | Number of Forms Technology | -0.1 | 17 | 3 | 71 % | 69 % |
| 13 | Number of H1 Tags Size | -0.09 | 3 | 2 | 83 % | 67 % |
| 14 | Number of H5 Tags Size | -0.09 | 8 | 2 | 22 % | 68 % |
| 15 | Number of H6 Tags Size | -0.09 | 5 | 1 | 10 % | 64 % |