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 Top 100 Shared Factors Used Diversity | -0.3 | 85 | 59 | 97 % | 27 % |
| 2 | Number of Top 50 Shared Factors Used Diversity | -0.3 | 44 | 29 | 97 % | 27 % |
| 3 | Number of Top 200 Shared Factors Used Diversity | -0.28 | 143 | 103 | 97 % | 27 % |
| 4 | Number of Factors Used Diversity | -0.24 | 215 | 138 | 97 % | 93 % |
| 5 | Headings Has Question Other | -0.14 | 1 | 1 | 40 % | 81 % |
| 6 | Search Result Number of Dirs in Path Other | -0.14 | 4 | 2 | 72 % | 61 % |
| 7 | Search Result Uses HTTPS Other | -0.13 | 1 | 1 | 93 % | 64 % |
| 8 | Load Time Milliseconds Performance | -0.13 | 21494 | 2007 | 97 % | 73 % |
| 9 | Title Has Sales Words Other | -0.12 | 1 | 1 | 15 % | 74 % |
| 10 | Title Has Sentiment Words Other | -0.12 | 1 | 1 | 15 % | 73 % |
| 11 | Has Copyright Trust | -0.12 | 1 | 1 | 74 % | 67 % |
| 12 | Search Result Summary Has Ellipsis Other | -0.12 | 1 | 1 | 58 % | 53 % |
| 13 | Title Has Year Other | -0.11 | 1 | 1 | 6 % | 70 % |
| 14 | Number of US Phone Numbers Trust | -0.11 | 68 | 9 | 50 % | 81 % |
| 15 | Flesch Kincaid Reading Grade Level Other | -0.11 | 8 | 5 | 94 % | 26 % |
| 16 | Search Result Has Params Other | -0.11 | 1 | 1 | 3 % | 46 % |
| 17 | Has FavIcon Technology | -0.11 | 1 | 1 | 79 % | 68 % |
| 18 | Number Of Claimed Brands Other | -0.11 | 8 | 2 | 21 % | 72 % |
| 19 | Has HREF Lang Technology | -0.11 | 1 | 1 | 10 % | 68 % |
| 20 | Number of JavaScript Includes Technology | -0.1 | 32 | 14 | 88 % | 73 % |
| 21 | Has Contact Page Trust | -0.1 | 1 | 1 | 66 % | 63 % |
| 22 | Has Google Analytics Technology | -0.1 | 1 | 1 | 20 % | 60 % |
| 23 | Search Result Domain is .com, .net, or .org Other | -0.1 | 1 | 1 | 7 % | 46 % |
| 24 | Search Result Has Unmodified Page Title Other | -0.09 | 1 | 1 | 46 % | 65 % |
| 25 | Number of Email Addresses Trust | -0.09 | 20 | 2 | 29 % | 68 % |
| 26 | Has US Phone Number Trust | -0.09 | 1 | 1 | 49 % | 65 % |
| 27 | Search Result Not .com .net or .org Other | -0.09 | 1 | 1 | 90 % | 58 % |
| 28 | Title Has Best Other | -0.09 | 1 | 1 | 7 % | 80 % |
| 29 | Has Form Technology | -0.09 | 1 | 1 | 67 % | 59 % |
| 30 | Has DocType Tag Technology | -0.09 | 1 | 1 | 89 % | 60 % |
| 31 | Has Apple Touch Icon Technology | -0.09 | 1 | 1 | 48 % | 63 % |
| 32 | Search Result Domain is .com Other | -0.09 | 1 | 1 | 6 % | 45 % |
| 33 | Title Tag Has Question Other | -0.09 | 1 | 1 | 7 % | 44 % |
| 34 | Meta Description Tag Has Question Other | -0.09 | 1 | 1 | 8 % | 65 % |
| 35 | Has Google Verify Technology | -0.09 | 1 | 1 | 22 % | 61 % |
| 36 | Number of CSS Includes Technology | -0.09 | 15 | 8 | 85 % | 63 % |
| 37 | Number of Includes Technology | -0.09 | 15 | 8 | 85 % | 63 % |
| 38 | Search Result Summary Has Year Other | -0.08 | 1 | 1 | 20 % | 45 % |
| 39 | Has Email Trust | -0.08 | 1 | 1 | 29 % | 56 % |
| 40 | Number of Videos Technology | -0.08 | 5 | 1 | 9 % | 64 % |
| 41 | Number of Trademarks Trust | -0.08 | 11 | 1 | 5 % | 68 % |
| 42 | Has Video Technology | -0.08 | 1 | 1 | 8 % | 58 % |
| 43 | Has YouTube Embed Technology | -0.08 | 1 | 1 | 7 % | 59 % |
| 44 | Search Result Link Text Has Year Other | -0.08 | 1 | 1 | 6 % | 62 % |
| 45 | Title Has Question Words Other | -0.07 | 1 | 1 | 10 % | 62 % |
| 46 | Ahrefs Images Relevancy | -0.07 | 91 | 8 | 32 % | 12 % |
| 47 | Search Result Has Rewritten Page Title Other | -0.07 | 1 | 1 | 52 % | 49 % |
| 48 | Has Trademarks Trust | -0.07 | 1 | 1 | 5 % | 62 % |
| 49 | Has XMLRPC Technology | -0.07 | 1 | 1 | 29 % | 54 % |
| 50 | Is WordPress Website Technology | -0.07 | 1 | 1 | 19 % | 50 % |
| 51 | Is Drupal Website Technology | -0.07 | 1 | 1 | 2 % | 67 % |
| 52 | Has Wordpress Generator Tag Technology | -0.07 | 1 | 1 | 21 % | 52 % |
| 53 | Search Result Has File Extension Other | -0.07 | 1 | 1 | 8 % | 48 % |
| 54 | Search Result Domain Has Hyphen Other | -0.06 | 1 | 1 | 5 % | 44 % |
| 55 | Search Result Link Text Has Ellipsis Other | -0.06 | 1 | 1 | 23 % | 52 % |
| 56 | Has Pingbacks Technology | -0.06 | 1 | 1 | 16 % | 54 % |
| 57 | Has Domain Phrase In Title Trust | -0.06 | 1 | 1 | 16 % | 47 % |
| 58 | Is or has AMP Technology | -0.06 | 1 | 1 | 5 % | 53 % |
| 59 | Has AMP Link Tag Technology | -0.06 | 1 | 1 | 5 % | 53 % |
| 60 | Title Has Top Other | -0.05 | 1 | 1 | 2 % | 82 % |