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 | -0.2 | 5178 | 1050 | 92 % | 71 % |
| 2 | Number of P Tags Size | -0.19 | 176 | 39 | 85 % | 68 % |
| 3 | Number of Heading Tags Size | -0.18 | 81 | 21 | 86 % | 70 % |
| 4 | Number of Images with ALT Text Size | -0.18 | 100 | 20 | 81 % | 89 % |
| 5 | Number of Images Size | -0.18 | 116 | 30 | 87 % | 69 % |
| 6 | Number of H2 Tags Size | -0.17 | 54 | 7 | 76 % | 69 % |
| 7 | Number of H3 Tags Size | -0.16 | 26 | 8 | 68 % | 68 % |
| 8 | Number of HTML Comments Size | -0.13 | 269 | 36 | 78 % | 64 % |
| 9 | Number of H1 Tags Size | -0.13 | 5 | 2 | 79 % | 61 % |
| 10 | Number of Images without ALT Text Size | -0.13 | 57 | 10 | 67 % | 82 % |
| 11 | Number of H4 Tags Size | -0.13 | 21 | 4 | 44 % | 61 % |
| 12 | Number of Forms Technology | -0.13 | 18 | 3 | 64 % | 60 % |
| 13 | Is Pagination Page Other | -0.12 | 1 | 1 | 19 % | 71 % |
| 14 | Number of HREF Lang Tags Size | -0.11 | 22 | 2 | 10 % | 78 % |
| 15 | Is Article Page Other | -0.11 | 1 | 1 | 50 % | 67 % |
| 16 | Is Home Page Other | -0.11 | 1 | 1 | 16 % | 47 % |
| 17 | Is Purchase Page Other | -0.11 | 1 | 1 | 46 % | 69 % |
| 18 | Is Store Page Other | -0.11 | 1 | 1 | 46 % | 71 % |
| 19 | Number of H5 Tags Size | -0.11 | 24 | 2 | 20 % | 59 % |
| 20 | Is Category Page Other | -0.1 | 1 | 1 | 11 % | 69 % |
| 21 | Number of H6 Tags Size | -0.1 | 29 | 1 | 10 % | 56 % |
| 22 | Is Search Result Page Other | -0.09 | 1 | 1 | 9 % | 57 % |