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 | -0.21 | 3880 | 1051 | 91 % | 79 % |
| 2 | Number of P Tags Size | -0.19 | 707 | 39 | 85 % | 78 % |
| 3 | Number of Heading Tags Size | -0.19 | 285 | 22 | 86 % | 78 % |
| 4 | Number of Images Size | -0.18 | 719 | 32 | 86 % | 75 % |
| 5 | Number of Images with ALT Text Size | -0.18 | 522 | 22 | 81 % | 85 % |
| 6 | Number of H3 Tags Size | -0.18 | 41 | 8 | 67 % | 76 % |
| 7 | Number of H2 Tags Size | -0.17 | 27 | 7 | 76 % | 78 % |
| 8 | Number of HTML Comments Size | -0.14 | 534 | 38 | 77 % | 69 % |
| 9 | Number of H4 Tags Size | -0.14 | 237 | 4 | 42 % | 69 % |
| 10 | Number of Forms Technology | -0.13 | 16 | 3 | 64 % | 62 % |
| 11 | Is Article Page Other | -0.13 | 1 | 1 | 50 % | 64 % |
| 12 | Is Purchase Page Other | -0.13 | 1 | 1 | 47 % | 66 % |
| 13 | Number of Images without ALT Text Size | -0.13 | 198 | 11 | 66 % | 77 % |
| 14 | Number of HREF Lang Tags Size | -0.13 | 17 | 2 | 10 % | 78 % |
| 15 | Number of H1 Tags Size | -0.12 | 32 | 2 | 80 % | 68 % |
| 16 | Is Pagination Page Other | -0.12 | 1 | 1 | 19 % | 66 % |
| 17 | Is Store Page Other | -0.12 | 1 | 1 | 45 % | 67 % |
| 18 | Is Category Page Other | -0.11 | 1 | 1 | 12 % | 65 % |
| 19 | Number of H5 Tags Size | -0.11 | 31 | 2 | 19 % | 64 % |
| 20 | Is Home Page Other | -0.1 | 1 | 1 | 18 % | 39 % |
| 21 | Is Search Result Page Other | -0.1 | 1 | 1 | 8 % | 55 % |
| 22 | Number of H6 Tags Size | -0.1 | 13 | 1 | 10 % | 59 % |