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 P Tags Size | -0.25 | 70 | 37 | 84 % | 73 % |
| 2 | Number of HTML Tags Size | -0.23 | 2586 | 900 | 91 % | 71 % |
| 3 | Number of H2 Tags Size | -0.21 | 11 | 6 | 75 % | 75 % |
| 4 | Number of Images Size | -0.21 | 78 | 25 | 85 % | 71 % |
| 5 | Number of Heading Tags Size | -0.19 | 27 | 19 | 86 % | 75 % |
| 6 | Number of Images with ALT Text Size | -0.18 | 57 | 16 | 81 % | 90 % |
| 7 | Number of H3 Tags Size | -0.16 | 11 | 7 | 66 % | 75 % |
| 8 | Is Article Page Other | -0.16 | 1 | 1 | 51 % | 67 % |
| 9 | Number of H1 Tags Size | -0.15 | 2 | 2 | 80 % | 71 % |
| 10 | Number of H4 Tags Size | -0.14 | 5 | 4 | 47 % | 67 % |
| 11 | Is Store Page Other | -0.14 | 1 | 1 | 42 % | 75 % |
| 12 | Number of HTML Comments Size | -0.14 | 219 | 33 | 77 % | 62 % |
| 13 | Is Category Page Other | -0.13 | 1 | 1 | 11 % | 71 % |
| 14 | Is Home Page Other | -0.13 | 1 | 1 | 24 % | 35 % |
| 15 | Number of Forms Technology | -0.12 | 10 | 2 | 62 % | 50 % |
| 16 | Is Purchase Page Other | -0.12 | 1 | 1 | 38 % | 63 % |
| 17 | Number of Images without ALT Text Size | -0.12 | 25 | 9 | 64 % | 79 % |
| 18 | Number of HREF Lang Tags Size | -0.11 | 4 | 2 | 8 % | 94 % |
| 19 | Is Pagination Page Other | -0.11 | 1 | 1 | 15 % | 71 % |
| 20 | Number of H5 Tags Size | -0.09 | 4 | 2 | 20 % | 58 % |
| 21 | Number of H6 Tags Size | -0.08 | 3 | 1 | 11 % | 56 % |
| 22 | Is Search Result Page Other | -0.08 | 1 | 1 | 7 % | 69 % |