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 | -0.17 | 2183 | 871 | 96 % | 86 % |
| 2 | Number of Images Size | -0.16 | 200 | 34 | 90 % | 83 % |
| 3 | Number of Images with ALT Text Size | -0.16 | 156 | 22 | 84 % | 86 % |
| 4 | Number of P Tags Size | -0.16 | 267 | 42 | 89 % | 84 % |
| 5 | Number of Heading Tags Size | -0.16 | 60 | 22 | 92 % | 83 % |
| 6 | Number of H2 Tags Size | -0.15 | 33 | 6 | 74 % | 85 % |
| 7 | Number of H3 Tags Size | -0.14 | 32 | 9 | 71 % | 84 % |
| 8 | Number of HREF Lang Tags Size | -0.13 | 58 | 2 | 12 % | 74 % |
| 9 | Number of Forms Technology | -0.12 | 14 | 3 | 72 % | 75 % |
| 10 | Number of Images without ALT Text Size | -0.12 | 45 | 13 | 73 % | 74 % |
| 11 | Number of H4 Tags Size | -0.12 | 17 | 5 | 48 % | 78 % |
| 12 | Number of H5 Tags Size | -0.11 | 15 | 2 | 20 % | 72 % |
| 13 | Number of HTML Comments Size | -0.11 | 168 | 27 | 79 % | 69 % |
| 14 | Number of H1 Tags Size | -0.1 | 5 | 2 | 82 % | 67 % |
| 15 | Number of H6 Tags Size | -0.09 | 12 | 1 | 10 % | 69 % |