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 | -0.18 | 2775 | 878 | 97 % | 82 % |
| 2 | Number of Heading Tags Size | -0.16 | 65 | 23 | 92 % | 82 % |
| 3 | Number of H2 Tags Size | -0.16 | 36 | 6 | 75 % | 83 % |
| 4 | Number of Images Size | -0.16 | 90 | 35 | 92 % | 79 % |
| 5 | Number of P Tags Size | -0.16 | 253 | 42 | 90 % | 81 % |
| 6 | Number of Images with ALT Text Size | -0.15 | 62 | 22 | 86 % | 82 % |
| 7 | Number of H3 Tags Size | -0.14 | 31 | 10 | 72 % | 82 % |
| 8 | Number of HREF Lang Tags Size | -0.13 | 36 | 2 | 12 % | 76 % |
| 9 | Number of Forms Technology | -0.13 | 13 | 3 | 74 % | 72 % |
| 10 | Number of HTML Comments Size | -0.11 | 135 | 28 | 80 % | 70 % |
| 11 | Number of H4 Tags Size | -0.11 | 16 | 5 | 48 % | 76 % |
| 12 | Number of H5 Tags Size | -0.11 | 28 | 2 | 21 % | 73 % |
| 13 | Number of Images without ALT Text Size | -0.1 | 76 | 14 | 75 % | 72 % |
| 14 | Number of H1 Tags Size | -0.1 | 8 | 2 | 83 % | 65 % |
| 15 | Number of H6 Tags Size | -0.1 | 5 | 1 | 10 % | 71 % |