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 P Tags Size | -0.17 | 1653 | 42 | 74 % | 89 % |
| 2 | Number of HTML Tags Size | -0.17 | 8552 | 1000 | 85 % | 91 % |
| 3 | Number of Heading Tags Size | -0.16 | 133 | 22 | 76 % | 90 % |
| 4 | Number of Images Size | -0.16 | 239 | 30 | 76 % | 89 % |
| 5 | Number of H2 Tags Size | -0.16 | 24 | 7 | 68 % | 89 % |
| 6 | Number of Images with ALT Text Size | -0.16 | 122 | 20 | 71 % | 90 % |
| 7 | Number of H1 Tags Size | -0.15 | 4 | 1 | 70 % | 86 % |
| 8 | Number of H3 Tags Size | -0.15 | 51 | 9 | 60 % | 87 % |
| 9 | Number of HTML Comments Size | -0.14 | 516 | 46 | 71 % | 87 % |
| 10 | Number of Images without ALT Text Size | -0.14 | 218 | 11 | 58 % | 84 % |
| 11 | Number of Forms Technology | -0.13 | 11 | 2 | 51 % | 79 % |
| 12 | Is Home Page Other | -0.13 | 1 | 1 | 19 % | 51 % |
| 13 | Is Article Page Other | -0.12 | 1 | 1 | 45 % | 69 % |
| 14 | Is Store Page Other | -0.12 | 1 | 1 | 44 % | 68 % |
| 15 | Is Purchase Page Other | -0.12 | 1 | 1 | 43 % | 67 % |
| 16 | Number of H4 Tags Size | -0.12 | 99 | 4 | 37 % | 82 % |
| 17 | Number of HREF Lang Tags Size | -0.12 | 33 | 2 | 11 % | 73 % |
| 18 | Number of H5 Tags Size | -0.11 | 20 | 2 | 17 % | 76 % |
| 19 | Is Pagination Page Other | -0.11 | 1 | 1 | 16 % | 61 % |
| 20 | Is Category Page Other | -0.11 | 1 | 1 | 13 % | 67 % |
| 21 | Number of H6 Tags Size | -0.1 | 12 | 1 | 9 % | 66 % |
| 22 | Is Search Result Page Other | -0.08 | 1 | 1 | 9 % | 49 % |