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 Factors Used Diversity | -0.24 | 204 | 142 | 96 % | 91 % |
| 2 | SpyFu Organic Value Authority | -0.18 | 255293 | 6975 | 37 % | 17 % |
| 3 | SpyFu Organic Results Authority | -0.17 | 1495 | 114 | 40 % | 17 % |
| 4 | SpyFu Organic Clicks Authority | -0.17 | 70912 | 1703 | 38 % | 17 % |
| 5 | Headings Has Question Other | -0.14 | 1 | 1 | 37 % | 78 % |
| 6 | Search Result Uses HTTPS Other | -0.14 | 1 | 1 | 88 % | 72 % |
| 7 | Has FavIcon Technology | -0.12 | 1 | 1 | 77 % | 71 % |
| 8 | Load Time Milliseconds Performance | -0.12 | 72387 | 2545 | 96 % | 67 % |
| 9 | Number of US Phone Numbers Trust | -0.12 | 115 | 8 | 41 % | 74 % |
| 10 | Flesch Kincaid Reading Grade Level Other | -0.11 | 7 | 3 | 84 % | 50 % |
| 11 | Title Has Sentiment Words Other | -0.11 | 1 | 1 | 14 % | 73 % |
| 12 | Has Apple Touch Icon Technology | -0.11 | 1 | 1 | 44 % | 68 % |
| 13 | Has Copyright Trust | -0.1 | 1 | 1 | 74 % | 70 % |
| 14 | Number of Videos Technology | -0.1 | 3 | 1 | 12 % | 63 % |
| 15 | Title Has Sales Words Other | -0.1 | 1 | 1 | 13 % | 74 % |
| 16 | Has Form Technology | -0.1 | 1 | 1 | 70 % | 68 % |
| 17 | Number of JavaScript Includes Technology | -0.1 | 26 | 14 | 88 % | 69 % |
| 18 | Title Has Year Other | -0.1 | 1 | 1 | 7 % | 71 % |
| 19 | Has Google Verify Technology | -0.09 | 1 | 1 | 25 % | 64 % |
| 20 | Search Result Link Text Has Year Other | -0.09 | 1 | 1 | 6 % | 64 % |
| 21 | Has US Phone Number Trust | -0.09 | 1 | 1 | 42 % | 60 % |
| 22 | Search Result Number of Dirs in Path Other | -0.09 | 4 | 2 | 81 % | 61 % |
| 23 | Has HREF Lang Technology | -0.09 | 1 | 1 | 9 % | 65 % |
| 24 | Meta Description Tag Has Question Other | -0.09 | 1 | 1 | 7 % | 64 % |
| 25 | SpyFu Daily Organic Traffic Authority | -0.09 | 91479573 | 8177036 | 39 % | 16 % |
| 26 | Number of Includes Technology | -0.09 | 17 | 8 | 86 % | 56 % |
| 27 | Number of CSS Includes Technology | -0.09 | 17 | 8 | 86 % | 56 % |
| 28 | Number of Email Addresses Trust | -0.09 | 15 | 2 | 35 % | 71 % |
| 29 | Has Video Technology | -0.09 | 1 | 1 | 12 % | 59 % |
| 30 | Search Result Has Unmodified Page Title Other | -0.09 | 1 | 1 | 56 % | 62 % |
| 31 | Has DocType Tag Technology | -0.09 | 1 | 1 | 87 % | 59 % |
| 32 | SpyFu Organic Clicks Per Month Authority | -0.08 | 37676373 | 6161761 | 37 % | 16 % |
| 33 | Has YouTube Embed Technology | -0.08 | 1 | 1 | 10 % | 58 % |
| 34 | Has Contact Page Trust | -0.08 | 1 | 1 | 64 % | 65 % |
| 35 | Title Has Best Other | -0.08 | 1 | 1 | 7 % | 77 % |
| 36 | Ahrefs Images Relevancy | -0.08 | 163 | 13 | 43 % | 32 % |
| 37 | Has XMLRPC Technology | -0.08 | 1 | 1 | 31 % | 54 % |
| 38 | SpyFu Number Of Organic Keywords Authority | -0.08 | 999163 | 134862 | 38 % | 16 % |
| 39 | Search Result Link Text Has Ellipsis Other | -0.08 | 1 | 1 | 36 % | 53 % |
| 40 | Has Email Trust | -0.08 | 1 | 1 | 35 % | 57 % |
| 41 | Has Wordpress Generator Tag Technology | -0.07 | 1 | 1 | 23 % | 53 % |
| 42 | Title Tag Has Question Other | -0.07 | 1 | 1 | 6 % | 49 % |
| 43 | Has Pingbacks Technology | -0.07 | 1 | 1 | 19 % | 58 % |
| 44 | Ahrefs Has Images Other | -0.07 | 1 | 1 | 41 % | 29 % |
| 45 | Has Google Analytics Technology | -0.07 | 1 | 1 | 25 % | 59 % |
| 46 | Number of Trademarks Trust | -0.07 | 11 | 1 | 5 % | 70 % |
| 47 | Search Result Domain is .com, .net, or .org Other | -0.07 | 1 | 1 | 5 % | 54 % |
| 48 | Title Has Question Words Other | -0.07 | 1 | 1 | 11 % | 69 % |
| 49 | Is WordPress Website Technology | -0.07 | 1 | 1 | 20 % | 51 % |
| 50 | Search Result Summary Has Year Other | -0.07 | 1 | 1 | 21 % | 52 % |
| 51 | Search Result Domain is .com Other | -0.07 | 1 | 1 | 4 % | 54 % |
| 52 | Search Result Has Rewritten Page Title Other | -0.07 | 1 | 1 | 40 % | 54 % |
| 53 | Is or has AMP Technology | -0.06 | 1 | 1 | 6 % | 57 % |
| 54 | Has AMP Link Tag Technology | -0.06 | 1 | 1 | 6 % | 57 % |
| 55 | Search Result Not .com .net or .org Other | -0.06 | 1 | 1 | 92 % | 55 % |
| 56 | Search Result Has Params Other | -0.06 | 1 | 1 | 3 % | 47 % |
| 57 | Has Trademarks Trust | -0.06 | 1 | 1 | 5 % | 64 % |
| 58 | Search Result Has Schema Other | -0.05 | 1 | 0 | 3 % | 67 % |
| 59 | Search Result Summary Has Ellipsis Other | -0.05 | 1 | 1 | 63 % | 47 % |
| 60 | Title Has Top Other | -0.05 | 1 | 1 | 2 % | 81 % |