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 | 2990 | 1051 | 83 % | 84 % |
| 2 | Number of Heading Tags Size | -0.16 | 287 | 21 | 76 % | 86 % |
| 3 | Number of P Tags Size | -0.16 | 929 | 39 | 75 % | 84 % |
| 4 | Number of Images Size | -0.16 | 255 | 30 | 77 % | 82 % |
| 5 | Number of Images with ALT Text Size | -0.16 | 220 | 21 | 72 % | 84 % |
| 6 | Number of H2 Tags Size | -0.16 | 22 | 7 | 67 % | 85 % |
| 7 | Number of H3 Tags Size | -0.15 | 34 | 8 | 60 % | 83 % |
| 8 | Number of H1 Tags Size | -0.14 | 27 | 2 | 70 % | 82 % |
| 9 | Number of HTML Comments Size | -0.14 | 458 | 43 | 69 % | 81 % |
| 10 | Number of Forms Technology | -0.13 | 12 | 2 | 54 % | 75 % |
| 11 | Is Home Page Other | -0.13 | 1 | 1 | 14 % | 48 % |
| 12 | Number of H4 Tags Size | -0.13 | 39 | 4 | 37 % | 74 % |
| 13 | Number of Images without ALT Text Size | -0.13 | 111 | 10 | 59 % | 80 % |
| 14 | Is Purchase Page Other | -0.12 | 1 | 1 | 44 % | 62 % |
| 15 | Is Article Page Other | -0.11 | 1 | 1 | 43 % | 57 % |
| 16 | Number of H5 Tags Size | -0.11 | 19 | 2 | 19 % | 67 % |
| 17 | Is Store Page Other | -0.11 | 1 | 1 | 43 % | 60 % |
| 18 | Number of H6 Tags Size | -0.11 | 16 | 1 | 10 % | 68 % |
| 19 | Is Category Page Other | -0.11 | 1 | 1 | 11 % | 62 % |
| 20 | Is Pagination Page Other | -0.11 | 1 | 1 | 17 % | 61 % |
| 21 | Is Search Result Page Other | -0.11 | 1 | 1 | 9 % | 58 % |
| 22 | Number of HREF Lang Tags Size | -0.1 | 29 | 2 | 10 % | 71 % |