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 | 3870 | 1073 | 78 % | 85 % |
| 2 | Number of Images Size | -0.18 | 218 | 35 | 74 % | 84 % |
| 3 | Number of P Tags Size | -0.17 | 117 | 41 | 73 % | 83 % |
| 4 | Number of Heading Tags Size | -0.17 | 81 | 23 | 74 % | 82 % |
| 5 | Number of Images with ALT Text Size | -0.17 | 208 | 24 | 70 % | 84 % |
| 6 | Number of HTML Comments Size | -0.16 | 1673 | 49 | 70 % | 81 % |
| 7 | Number of H2 Tags Size | -0.16 | 28 | 7 | 66 % | 81 % |
| 8 | Number of H3 Tags Size | -0.16 | 34 | 9 | 58 % | 81 % |
| 9 | Number of Images without ALT Text Size | -0.15 | 69 | 12 | 57 % | 81 % |
| 10 | Number of H1 Tags Size | -0.15 | 35 | 2 | 69 % | 80 % |
| 11 | Number of Forms Technology | -0.15 | 11 | 2 | 51 % | 73 % |
| 12 | Is Purchase Page Other | -0.14 | 1 | 1 | 41 % | 71 % |
| 13 | Is Home Page Other | -0.13 | 1 | 1 | 20 % | 40 % |
| 14 | Number of H4 Tags Size | -0.13 | 22 | 4 | 35 % | 77 % |
| 15 | Is Store Page Other | -0.13 | 1 | 1 | 41 % | 66 % |
| 16 | Number of HREF Lang Tags Size | -0.13 | 26 | 2 | 11 % | 72 % |
| 17 | Is Article Page Other | -0.12 | 1 | 1 | 44 % | 60 % |
| 18 | Is Pagination Page Other | -0.12 | 1 | 1 | 17 % | 60 % |
| 19 | Is Category Page Other | -0.12 | 1 | 1 | 12 % | 62 % |
| 20 | Number of H5 Tags Size | -0.12 | 22 | 2 | 17 % | 74 % |
| 21 | Is Search Result Page Other | -0.11 | 1 | 1 | 6 % | 64 % |
| 22 | Number of H6 Tags Size | -0.1 | 9 | 1 | 9 % | 67 % |