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 | -0.19 | 2969 | 1046 | 92 % | 72 % |
| 2 | Number of P Tags Size | -0.18 | 970 | 38 | 87 % | 73 % |
| 3 | Number of Heading Tags Size | -0.18 | 129 | 21 | 88 % | 72 % |
| 4 | Number of Images with ALT Text Size | -0.18 | 295 | 22 | 82 % | 76 % |
| 5 | Number of Images Size | -0.17 | 307 | 32 | 88 % | 71 % |
| 6 | Number of H2 Tags Size | -0.16 | 18 | 7 | 76 % | 71 % |
| 7 | Number of H3 Tags Size | -0.15 | 26 | 8 | 67 % | 70 % |
| 8 | Number of HTML Comments Size | -0.14 | 719 | 36 | 78 % | 63 % |
| 9 | Number of HREF Lang Tags Size | -0.13 | 19 | 2 | 11 % | 66 % |
| 10 | Is Purchase Page Other | -0.13 | 1 | 1 | 46 % | 58 % |
| 11 | Number of Images without ALT Text Size | -0.13 | 166 | 11 | 68 % | 67 % |
| 12 | Number of Forms Technology | -0.13 | 18 | 3 | 68 % | 58 % |
| 13 | Is Store Page Other | -0.13 | 1 | 1 | 47 % | 57 % |
| 14 | Number of H4 Tags Size | -0.12 | 115 | 4 | 44 % | 65 % |
| 15 | Is Pagination Page Other | -0.12 | 1 | 1 | 18 % | 57 % |
| 16 | Is Article Page Other | -0.12 | 1 | 1 | 49 % | 50 % |
| 17 | Number of H1 Tags Size | -0.11 | 10 | 2 | 81 % | 62 % |
| 18 | Is Home Page Other | -0.11 | 1 | 1 | 15 % | 40 % |
| 19 | Is Category Page Other | -0.11 | 1 | 1 | 11 % | 56 % |
| 20 | Number of H5 Tags Size | -0.11 | 53 | 2 | 20 % | 62 % |
| 21 | Is Search Result Page Other | -0.1 | 1 | 1 | 9 % | 50 % |
| 22 | Number of H6 Tags Size | -0.1 | 8 | 1 | 10 % | 58 % |