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 | 3019 | 1020 | 84 % | 85 % |
| 2 | Number of Images Size | -0.17 | 334 | 30 | 80 % | 83 % |
| 3 | Number of P Tags Size | -0.17 | 211 | 39 | 79 % | 83 % |
| 4 | Number of Images with ALT Text Size | -0.17 | 152 | 20 | 75 % | 85 % |
| 5 | Number of H2 Tags Size | -0.16 | 22 | 7 | 71 % | 83 % |
| 6 | Number of Heading Tags Size | -0.16 | 68 | 22 | 80 % | 82 % |
| 7 | Number of H1 Tags Size | -0.15 | 4 | 2 | 73 % | 81 % |
| 8 | Number of H3 Tags Size | -0.14 | 31 | 9 | 63 % | 81 % |
| 9 | Number of Forms Technology | -0.14 | 12 | 2 | 55 % | 74 % |
| 10 | Number of Images without ALT Text Size | -0.14 | 242 | 10 | 60 % | 80 % |
| 11 | Number of HTML Comments Size | -0.14 | 1230 | 45 | 75 % | 79 % |
| 12 | Is Home Page Other | -0.14 | 1 | 1 | 20 % | 44 % |
| 13 | Is Article Page Other | -0.13 | 1 | 1 | 45 % | 64 % |
| 14 | Is Purchase Page Other | -0.13 | 1 | 1 | 40 % | 63 % |
| 15 | Number of H4 Tags Size | -0.12 | 19 | 4 | 38 % | 75 % |
| 16 | Is Store Page Other | -0.12 | 1 | 1 | 43 % | 65 % |
| 17 | Number of HREF Lang Tags Size | -0.11 | 42 | 2 | 10 % | 69 % |
| 18 | Is Search Result Page Other | -0.11 | 1 | 1 | 6 % | 61 % |
| 19 | Is Category Page Other | -0.11 | 1 | 1 | 14 % | 64 % |
| 20 | Is Pagination Page Other | -0.11 | 1 | 1 | 17 % | 62 % |
| 21 | Number of H5 Tags Size | -0.11 | 31 | 2 | 18 % | 71 % |
| 22 | Number of H6 Tags Size | -0.1 | 10 | 1 | 10 % | 65 % |