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 | 3374 | 955 | 94 % | 50 % |
| 2 | Number of P Tags Size | -0.15 | 292 | 37 | 88 % | 49 % |
| 3 | Number of Heading Tags Size | -0.15 | 61 | 20 | 89 % | 50 % |
| 4 | Number of Images Size | -0.14 | 317 | 29 | 90 % | 76 % |
| 5 | Number of Images with ALT Text Size | -0.14 | 168 | 17 | 82 % | 76 % |
| 6 | Number of H2 Tags Size | -0.14 | 25 | 6 | 71 % | 50 % |
| 7 | Number of H3 Tags Size | -0.14 | 36 | 8 | 66 % | 50 % |
| 8 | Number of Forms Technology | -0.12 | 36 | 3 | 73 % | 69 % |
| 9 | Number of H4 Tags Size | -0.12 | 23 | 4 | 45 % | 46 % |
| 10 | Number of Images without ALT Text Size | -0.12 | 247 | 13 | 74 % | 70 % |
| 11 | Number of HREF Lang Tags Size | -0.12 | 16 | 2 | 9 % | 69 % |
| 12 | Number of HTML Comments Size | -0.11 | 202 | 39 | 85 % | 41 % |
| 13 | Number of H1 Tags Size | -0.1 | 11 | 2 | 81 % | 40 % |
| 14 | Number of H5 Tags Size | -0.1 | 16 | 2 | 18 % | 43 % |
| 15 | Number of H6 Tags Size | -0.1 | 10 | 1 | 9 % | 40 % |