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 | 3639 | 1001 | 89 % | 78 % |
| 2 | Number of Images Size | -0.16 | 522 | 31 | 84 % | 75 % |
| 3 | Number of Images with ALT Text Size | -0.15 | 515 | 20 | 79 % | 80 % |
| 4 | Number of P Tags Size | -0.15 | 158 | 37 | 82 % | 79 % |
| 5 | Number of Heading Tags Size | -0.15 | 59 | 21 | 84 % | 79 % |
| 6 | Number of H3 Tags Size | -0.15 | 38 | 8 | 65 % | 79 % |
| 7 | Number of H2 Tags Size | -0.14 | 25 | 7 | 74 % | 80 % |
| 8 | Number of HTML Comments Size | -0.13 | 252 | 38 | 76 % | 74 % |
| 9 | Number of H1 Tags Size | -0.13 | 6 | 2 | 77 % | 75 % |
| 10 | Is Home Page Other | -0.13 | 1 | 1 | 15 % | 52 % |
| 11 | Number of Images without ALT Text Size | -0.12 | 134 | 11 | 65 % | 74 % |
| 12 | Number of Forms Technology | -0.12 | 12 | 2 | 60 % | 64 % |
| 13 | Number of HREF Lang Tags Size | -0.12 | 19 | 2 | 10 % | 69 % |
| 14 | Number of H4 Tags Size | -0.12 | 16 | 4 | 41 % | 68 % |
| 15 | Is Purchase Page Other | -0.11 | 1 | 1 | 46 % | 60 % |
| 16 | Is Category Page Other | -0.11 | 1 | 1 | 11 % | 62 % |
| 17 | Is Pagination Page Other | -0.11 | 1 | 1 | 17 % | 59 % |
| 18 | Is Article Page Other | -0.11 | 1 | 1 | 48 % | 58 % |
| 19 | Number of H5 Tags Size | -0.1 | 19 | 2 | 20 % | 65 % |
| 20 | Number of H6 Tags Size | -0.1 | 19 | 1 | 10 % | 65 % |
| 21 | Is Store Page Other | -0.1 | 1 | 1 | 46 % | 56 % |
| 22 | Is Search Result Page Other | -0.1 | 1 | 1 | 8 % | 48 % |