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 Unique LSI Words Used Diversity | -0.28 | 918 | 278 | 81 % | 87 % |
| 2 | Number of Unique Variations Used Diversity | -0.28 | 18 | 8 | 82 % | 92 % |
| 3 | Number of Top 200 Shared Factors Used Diversity | -0.27 | 51 | 41 | 95 % | 94 % |
| 4 | Number of Top 100 Shared Factors Used Diversity | -0.27 | 38 | 31 | 95 % | 94 % |
| 5 | Number of Distinct Entities Used Diversity | -0.26 | 63 | 30 | 80 % | 95 % |
| 6 | Variations in Search Result Document File Name Relevancy | -0.26 | 3 | 2 | 54 % | 93 % |
| 7 | Entities in Title Tag Relevancy | -0.26 | 6 | 3 | 72 % | 94 % |
| 8 | Load Time Milliseconds Performance | -0.25 | 20717 | 1361 | 83 % | 95 % |
| 9 | Variations in H1 and H2 Tags Relevancy | -0.25 | 29 | 5 | 65 % | 94 % |
| 10 | Number of Factors Used Diversity | -0.25 | 270 | 197 | 95 % | 94 % |
| 11 | Variations in Search Result URL Path Relevancy | -0.25 | 3 | 2 | 55 % | 92 % |
| 12 | Entities in H2 Tags | -0.24 | 44 | 9 | 59 % | 97 % |
| 13 | Variations in H1, H2, and H3 Tags Relevancy | -0.24 | 41 | 8 | 66 % | 94 % |
| 14 | Variations in Search Result URL Relevancy | -0.24 | 4 | 2 | 66 % | 88 % |
| 15 | Variations in H1-H6 Tags Relevancy | -0.24 | 44 | 10 | 68 % | 95 % |
| 16 | Exact Matches in the HTML Tag Relevancy | -0.24 | 230 | 8 | 25 % | 93 % |
| 17 | Number of Top 50 Shared Factors Used Diversity | -0.24 | 16 | 13 | 95 % | 92 % |
| 18 | Leading Variations in H1, H2, and H3 Tags Relevancy | -0.23 | 6 | 2 | 49 % | 91 % |
| 19 | Entities in Sentences Relevancy | -0.23 | 446 | 164 | 73 % | 97 % |
| 20 | Entities in the HTML Tag Relevancy | -0.23 | 449 | 168 | 76 % | 97 % |
| 21 | Variations in H2 Tags Relevancy | -0.23 | 25 | 4 | 55 % | 94 % |
| 22 | Entities in H1 Tags | -0.23 | 10 | 3 | 61 % | 93 % |
| 23 | Leading Variations in Title Tag Relevancy | -0.23 | 1 | 1 | 38 % | 91 % |
| 24 | Variations in First 100 Words Relevancy | -0.23 | 22 | 8 | 71 % | 94 % |
| 25 | Variations in P Tags Relevancy | -0.23 | 107 | 37 | 71 % | 93 % |
| 26 | Variations in the Canonical URL Relevancy | -0.22 | 6 | 2 | 58 % | 91 % |
| 27 | Leading Variations in H1-H6 Tags Relevancy | -0.22 | 7 | 2 | 53 % | 92 % |
| 28 | Variations in Sentences Relevancy | -0.22 | 93 | 33 | 74 % | 93 % |
| 29 | LSI Words in Sentences Relevancy | -0.22 | 2501 | 764 | 68 % | 97 % |
| 30 | Variations in Div Tags Relevancy | -0.22 | 387 | 128 | 75 % | 93 % |
| 31 | LSI Words in Title Tag Relevancy | -0.22 | 12 | 7 | 70 % | 94 % |
| 32 | Variations in HTML Tags Relevancy | -0.21 | 769 | 228 | 79 % | 92 % |
| 33 | Variations in Body Tags Relevancy | -0.21 | 769 | 228 | 79 % | 92 % |
| 34 | Variations in Absolute URLs Relevancy | -0.21 | 185 | 72 | 69 % | 93 % |
| 35 | Entities in Meta Description Tag Relevancy | -0.21 | 8 | 4 | 63 % | 93 % |
| 36 | Leading Variations in H1 Tags Relevancy | -0.21 | 2 | 1 | 31 % | 91 % |
| 37 | Exact Matches in H1-H6 Tags Relevancy | -0.21 | 8 | 1 | 15 % | 94 % |
| 38 | LSI Words in H2 Tags Relevancy | -0.21 | 117 | 27 | 62 % | 96 % |
| 39 | Has Entities in H1 Tags Relevancy | -0.21 | 1 | 1 | 62 % | 93 % |
| 40 | Variations in the Title Tag Relevancy | -0.21 | 3 | 2 | 71 % | 89 % |
| 41 | Variations in H1 Tags Relevancy | -0.21 | 5 | 2 | 59 % | 92 % |
| 42 | Variations in Search Result Link Text Relevancy | -0.2 | 3 | 2 | 84 % | 88 % |
| 43 | Variations in LI Tags Relevancy | -0.2 | 136 | 26 | 67 % | 93 % |
| 44 | Variations in Search Result Display URL Relevancy | -0.2 | 3 | 2 | 84 % | 89 % |
| 45 | Term Frequency Relevancy | -0.2 | 4 | 3 | 79 % | 91 % |
| 46 | TF/IDF Relevancy | -0.2 | 1 | 1 | 65 % | 89 % |
| 47 | Inline CSS Kilobytes Size | -0.2 | 157 | 75 | 66 % | 92 % |
| 48 | Exact Matches in Title Tag Relevancy | -0.2 | 2 | 1 | 12 % | 86 % |
| 49 | Unabridged Word Count Size | -0.2 | 7758 | 1777 | 83 % | 93 % |
| 50 | Word Count Size | -0.2 | 6869 | 1471 | 83 % | 93 % |
| 51 | Variations in Script Tags Relevancy | -0.2 | 321 | 48 | 68 % | 87 % |
| 52 | Variations in A Tags Relevancy | -0.2 | 155 | 31 | 69 % | 93 % |
| 53 | Entities in H3 Tags | -0.2 | 29 | 8 | 50 % | 96 % |
| 54 | Variations in Meta Description Relevancy | -0.2 | 4 | 2 | 62 % | 90 % |
| 55 | Variations in Span Tags Relevancy | -0.19 | 28 | 12 | 54 % | 90 % |
| 56 | Exact Matches in Top 30KB Relevancy | -0.19 | 17 | 2 | 15 % | 93 % |
| 57 | Clean Text Kilobytes Size | -0.19 | 49 | 12 | 75 % | 93 % |
| 58 | Variations in A Tag HREF Attributes Relevancy | -0.19 | 183 | 51 | 67 % | 92 % |
| 59 | Variations in OpenGraph Title Relevancy | -0.19 | 3 | 2 | 62 % | 89 % |
| 60 | Has Entities in H2 Tags Relevancy | -0.19 | 1 | 1 | 61 % | 93 % |
| 61 | Number of Images Size | -0.19 | 135 | 29 | 76 % | 92 % |
| 62 | LSI Words in H1 Tags Relevancy | -0.19 | 22 | 5 | 62 % | 94 % |
| 63 | Exact Matches in H1 Tags Relevancy | -0.19 | 1 | 1 | 10 % | 88 % |
| 64 | Variations in Distinct A Tag HREF Attributes Relevancy | -0.19 | 132 | 36 | 67 % | 92 % |
| 65 | Exact Matches in Sentences Relevancy | -0.19 | 29 | 2 | 17 % | 92 % |
| 66 | Number of P Tags Size | -0.19 | 103 | 40 | 75 % | 90 % |
| 67 | Leading Variations in H2 Tags Relevancy | -0.19 | 3 | 1 | 28 % | 93 % |
| 68 | LSI Words in Meta Description Tag Relevancy | -0.19 | 24 | 12 | 61 % | 94 % |
| 69 | Number of Images with ALT Text Size | -0.19 | 114 | 21 | 70 % | 90 % |
| 70 | Number Of JSON-LD Types Relevancy | -0.19 | 33 | 14 | 60 % | 92 % |
| 71 | Variation Count in Top 30KB Relevancy | -0.18 | 88 | 25 | 70 % | 92 % |
| 72 | Clean Keyword Density in the HTML Tag Relevancy | -0.18 | 14 | 4 | 73 % | 85 % |
| 73 | Has JSON-LD Schema Markup Relevancy | -0.18 | 1 | 1 | 59 % | 88 % |
| 74 | Number of Sentences Size | -0.18 | 286 | 114 | 81 % | 90 % |
| 75 | Uses JSON-LD name Other | -0.18 | 1 | 1 | 58 % | 87 % |
| 76 | Number of Absolute URLs Authority | -0.18 | 2097 | 285 | 82 % | 84 % |
| 77 | Variations in OpenGraph Description Relevancy | -0.18 | 4 | 2 | 58 % | 88 % |
| 78 | Title Tag Has Entities Relevancy | -0.18 | 1 | 1 | 72 % | 90 % |
| 79 | Number of HTML Tags Size | -0.18 | 2849 | 1016 | 83 % | 91 % |
| 80 | Search Result Domain is .com, .net, or .org Other | -0.18 | 1 | 1 | 4 % | 64 % |
| 81 | Variations in ALT Attributes Relevancy | -0.17 | 46 | 6 | 48 % | 88 % |
| 82 | Is OpenGraph Type Article Technology | -0.17 | 1 | 1 | 38 % | 79 % |
| 83 | Number of Heading Tags Size | -0.17 | 64 | 25 | 76 % | 92 % |
| 84 | Number of LinkedIn Pages Authority | -0.17 | 3 | 2 | 40 % | 91 % |
| 85 | Search Result Domain is .com Other | -0.17 | 1 | 1 | 4 % | 63 % |
| 86 | Variations in H3 Tags Relevancy | -0.17 | 12 | 3 | 42 % | 93 % |
| 87 | Variation Density in Top 30KB Relevancy | -0.17 | 4 | 2 | 67 % | 88 % |
| 88 | Number of H2 Tags Size | -0.17 | 24 | 8 | 71 % | 93 % |
| 89 | Variations making whole H1 Tags Relevancy | -0.17 | 1 | 1 | 10 % | 87 % |
| 90 | Uses JSON-LD BreadcrumbList Other | -0.17 | 1 | 1 | 41 % | 86 % |
| 91 | Variations in Nav Tags Relevancy | -0.17 | 166 | 24 | 50 % | 92 % |
| 92 | Number of Questions Size | -0.17 | 200 | 14 | 69 % | 86 % |
| 93 | Page Size Kilobytes Size | -0.17 | 686 | 284 | 83 % | 86 % |
| 94 | Number of Facebook Pages Authority | -0.17 | 4 | 2 | 58 % | 86 % |
| 95 | Uses JSON-LD url Other | -0.17 | 1 | 1 | 52 % | 88 % |
| 96 | Variations making whole H1, H2, and H3 Tags Relevancy | -0.17 | 1 | 1 | 18 % | 89 % |
| 97 | Uses JSON-LD ListItem Other | -0.17 | 1 | 1 | 41 % | 85 % |
| 98 | Percentage of DoFollow Links Authority | -0.17 | 98 | 83 | 79 % | 91 % |
| 99 | Variations in Section Tags Relevancy | -0.17 | 141 | 29 | 44 % | 88 % |
| 100 | Has Entities in H3 Tags Relevancy | -0.17 | 1 | 1 | 52 % | 91 % |
| 101 | Variations making whole H1-H6 Tags Relevancy | -0.17 | 2 | 1 | 21 % | 89 % |
| 102 | Uses JSON-LD description Other | -0.17 | 1 | 1 | 49 % | 85 % |
| 103 | Uses Schema name Other | -0.16 | 1 | 1 | 64 % | 85 % |
| 104 | Has Schema Markup Relevancy | -0.16 | 1 | 1 | 66 % | 83 % |
| 105 | Number of Social Pages Authority | -0.16 | 13 | 5 | 63 % | 88 % |
| 106 | Has Apple Touch Icon Technology | -0.16 | 1 | 1 | 56 % | 83 % |
| 107 | Variations making whole A Tags Relevancy | -0.16 | 5 | 2 | 35 % | 86 % |
| 108 | Uses Schema url Other | -0.16 | 1 | 1 | 61 % | 82 % |
| 109 | LSI Words in H3 Tags Relevancy | -0.16 | 99 | 25 | 54 % | 93 % |
| 110 | Meta Description Tag Has Entities Relevancy | -0.16 | 1 | 1 | 65 % | 87 % |
| 111 | Variations in Strong Tags Relevancy | -0.16 | 10 | 3 | 31 % | 91 % |
| 112 | Number of Backlinks Authority | -0.16 | 101247 | 13169 | 40 % | 14 % |
| 113 | Number of Questions In Headings Size | -0.16 | 7 | 2 | 42 % | 91 % |
| 114 | Uses Schema description Other | -0.16 | 1 | 1 | 54 % | 79 % |
| 115 | Has Canonical URL Authority | -0.16 | 1 | 1 | 72 % | 84 % |
| 116 | Inline JavaScript Kilobytes Size | -0.16 | 409 | 77 | 80 % | 82 % |
| 117 | Entities in H4 Tags | -0.16 | 7 | 3 | 26 % | 92 % |
| 118 | Number of Referring Domains Authority | -0.16 | 2395 | 282 | 41 % | 15 % |
| 119 | Flesch Kincaid Reading Grade Level Other | -0.16 | 6 | 2 | 93 % | 91 % |
| 120 | Number of Includes Technology | -0.16 | 42 | 28 | 82 % | 82 % |
| 121 | Is Article Page Other | -0.16 | 1 | 1 | 49 % | 86 % |
| 122 | Percentage of DoFollow Internal Links Authority | -0.16 | 88 | 73 | 78 % | 91 % |
| 123 | Uses Schema webpage Other | -0.16 | 1 | 1 | 42 % | 81 % |
| 124 | Number of HTTPS Links Authority | -0.16 | 1919 | 150 | 78 % | 88 % |
| 125 | Number of US Phone Numbers Trust | -0.16 | 268 | 10 | 54 % | 89 % |
| 126 | Headings Has Question Other | -0.15 | 1 | 1 | 42 % | 90 % |
| 127 | Number of Internal Links Authority | -0.15 | 407 | 123 | 78 % | 89 % |
| 128 | Number of JavaScript Includes Technology | -0.15 | 31 | 17 | 80 % | 81 % |
| 129 | Variations in I Tags Relevancy | -0.15 | 12 | 4 | 28 % | 84 % |
| 130 | Number of DoFollow Links Authority | -0.15 | 1918 | 149 | 78 % | 89 % |
| 131 | Number of Do Follow Backlinks Authority | -0.15 | 99520 | 11610 | 36 % | 15 % |
| 132 | Uses Schema imageobject Other | -0.15 | 1 | 1 | 43 % | 79 % |
| 133 | Variations in Form Tags Relevancy | -0.15 | 3 | 1 | 15 % | 85 % |
| 134 | Number of Links Authority | -0.15 | 1920 | 149 | 78 % | 87 % |
| 135 | Number of Images without ALT Text Size | -0.15 | 41 | 10 | 57 % | 90 % |
| 136 | Uses Schema breadcrumblist Other | -0.15 | 1 | 1 | 45 % | 82 % |
| 137 | Variations in H4-H6 Tags Relevancy | -0.15 | 7 | 2 | 25 % | 84 % |
| 138 | Variations in Article Tags Relevancy | -0.15 | 104 | 12 | 25 % | 88 % |
| 139 | Leading Variations in H3 Tags Relevancy | -0.15 | 3 | 1 | 21 % | 87 % |
| 140 | Number Of Claimed Brands Other | -0.15 | 12 | 3 | 29 % | 86 % |
| 141 | Number of H3 Tags Size | -0.15 | 27 | 10 | 62 % | 93 % |
| 142 | Has Contact Page Trust | -0.15 | 1 | 1 | 63 % | 80 % |
| 143 | Has XMLRPC Technology | -0.15 | 1 | 1 | 37 % | 83 % |
| 144 | Uses Schema inlanguage Other | -0.15 | 1 | 1 | 38 % | 83 % |
| 145 | Uses Schema listitem Other | -0.15 | 1 | 1 | 46 % | 80 % |
| 146 | Uses Schema organization Other | -0.15 | 1 | 1 | 40 % | 81 % |
| 147 | Search Result Number of Dirs in Path Other | -0.15 | 3 | 2 | 70 % | 75 % |
| 148 | Has US Phone Number Trust | -0.15 | 1 | 1 | 55 % | 83 % |
| 149 | Variations in the last 100 words Relevancy | -0.15 | 12 | 4 | 58 % | 82 % |
| 150 | Variations in Style Tags Relevancy | -0.15 | 75 | 5 | 17 % | 89 % |
| 151 | Number of H1 Tags Size | -0.15 | 4 | 2 | 71 % | 91 % |
| 152 | Uses JSON-LD ImageObject Other | -0.15 | 1 | 1 | 36 % | 83 % |
| 153 | Has Meta Viewport Technology | -0.15 | 1 | 1 | 80 % | 86 % |
| 154 | Uses JSON-LD WebPage Other | -0.15 | 1 | 1 | 39 % | 82 % |
| 155 | Has OpenGraph Type Relevancy | -0.15 | 1 | 1 | 65 % | 84 % |
| 156 | Number of Meta Generator Tags Technology | -0.15 | 2 | 2 | 44 % | 84 % |
| 157 | Has Meta Twitter Card Authority | -0.15 | 1 | 1 | 60 % | 82 % |
| 158 | Number of No Follow Backlinks Authority | -0.15 | 8608 | 1331 | 29 % | 13 % |
| 159 | Variations in Main Tags Relevancy | -0.15 | 333 | 48 | 35 % | 93 % |
| 160 | Number of Questions In H2 Tags Size | -0.15 | 3 | 1 | 28 % | 88 % |
| 161 | Uses JSON-LD Organization Other | -0.15 | 1 | 1 | 37 % | 81 % |
| 162 | Uses JSON-LD inLanguage Other | -0.15 | 1 | 1 | 38 % | 83 % |
| 163 | Exact Matches in Meta Description Relevancy | -0.15 | 2 | 1 | 8 % | 88 % |
| 164 | Variations Making Whole Span Tags Relevancy | -0.15 | 8 | 2 | 25 % | 86 % |
| 165 | Number of HTML Comments Size | -0.15 | 808 | 52 | 71 % | 83 % |
| 166 | Has RSS Link Authority | -0.15 | 1 | 1 | 37 % | 81 % |
| 167 | Exact Matches in H2 Tags Relevancy | -0.14 | 6 | 1 | 8 % | 90 % |
| 168 | Number of Prices Size | -0.14 | 574 | 66 | 68 % | 82 % |
| 169 | Variations in Footer Tags Relevancy | -0.14 | 275 | 23 | 44 % | 90 % |
| 170 | Variations in HTML Comment Tags Relevancy | -0.14 | 17 | 2 | 29 % | 88 % |
| 171 | Variations in Search Result Summary Relevancy | -0.14 | 4 | 2 | 87 % | 71 % |
| 172 | Has FavIcon Technology | -0.14 | 1 | 1 | 76 % | 80 % |
| 173 | Exact Matches making whole H1-H6 Tags Relevancy | -0.14 | 1 | 1 | 5 % | 90 % |
| 174 | Search Result Uses HTTPS Other | -0.14 | 1 | 1 | 82 % | 86 % |
| 175 | Uses JSON-LD datePublished Other | -0.14 | 1 | 1 | 38 % | 83 % |
| 176 | Variations Making Whole LI Tags Relevancy | -0.14 | 4 | 1 | 28 % | 83 % |
| 177 | Exact Matches making whole H1, H2, and H3 Tags Relevancy | -0.14 | 1 | 1 | 5 % | 91 % |
| 178 | Title Length Size | -0.14 | 85 | 50 | 82 % | 79 % |
| 179 | Uses JSON-LD image Other | -0.14 | 1 | 1 | 20 % | 79 % |
| 180 | Uses Schema telephone Other | -0.14 | 1 | 1 | 27 % | 78 % |
| 181 | Number of H4 Tags Size | -0.14 | 10 | 4 | 38 % | 84 % |
| 182 | Number of Email Addresses Trust | -0.14 | 17 | 4 | 46 % | 86 % |
| 183 | Variations in Class Attributes Relevancy | -0.14 | 42 | 6 | 23 % | 90 % |
| 184 | Uses Schema searchaction Other | -0.14 | 1 | 1 | 31 % | 82 % |
| 185 | Uses Schema website Other | -0.14 | 1 | 1 | 41 % | 83 % |
| 186 | Uses JSON-LD contentUrl Other | -0.14 | 1 | 1 | 29 % | 82 % |
| 187 | Uses JSON-LD item Other | -0.14 | 1 | 1 | 28 % | 82 % |
| 188 | Uses Schema datemodified Other | -0.14 | 1 | 1 | 38 % | 78 % |
| 189 | LSI Words in H4 Tags Relevancy | -0.14 | 24 | 8 | 32 % | 89 % |
| 190 | Title Word Count Size | -0.14 | 13 | 8 | 82 % | 80 % |
| 191 | Exact Matches making whole H1 Tags Relevancy | -0.14 | 1 | 1 | 4 % | 92 % |
| 192 | Variations in H4 Tags Relevancy | -0.14 | 3 | 1 | 19 % | 84 % |
| 193 | Meta Description Length Size | -0.14 | 270 | 125 | 70 % | 85 % |
| 194 | Uses Schema contenturl Other | -0.14 | 1 | 1 | 29 % | 81 % |
| 195 | Uses Schema datepublished Other | -0.14 | 1 | 1 | 41 % | 76 % |
| 196 | Uses Schema caption Other | -0.14 | 1 | 1 | 29 % | 77 % |
| 197 | Number of CSS Includes Technology | -0.14 | 19 | 11 | 73 % | 81 % |
| 198 | Has Meta Description Relevancy | -0.14 | 1 | 1 | 69 % | 82 % |
| 199 | Variations in Meta Twitter Content Relevancy | -0.14 | 2 | 1 | 33 % | 73 % |
| 200 | Has Meta Charset Technology | -0.14 | 1 | 1 | 74 % | 86 % |
