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 Variations Used Diversity | -0.3 | 17 | 9 | 83 % | 94 % |
| 2 | Number of Unique LSI Words Used Diversity | -0.28 | 827 | 274 | 83 % | 90 % |
| 3 | Number of Distinct Entities Used Diversity | -0.28 | 63 | 31 | 82 % | 96 % |
| 4 | Number of Top 100 Shared Factors Used Diversity | -0.28 | 38 | 32 | 97 % | 95 % |
| 5 | Number of Top 200 Shared Factors Used Diversity | -0.28 | 50 | 42 | 97 % | 96 % |
| 6 | Entities in Title Tag Relevancy | -0.27 | 6 | 4 | 75 % | 96 % |
| 7 | Number of Factors Used Diversity | -0.27 | 270 | 202 | 97 % | 95 % |
| 8 | Load Time Milliseconds Performance | -0.27 | 20717 | 1347 | 84 % | 96 % |
| 9 | Variations in Search Result Document File Name Relevancy | -0.27 | 3 | 2 | 57 % | 94 % |
| 10 | Entities in H2 Tags | -0.26 | 44 | 9 | 63 % | 97 % |
| 11 | Variations in H1 and H2 Tags Relevancy | -0.25 | 29 | 6 | 67 % | 96 % |
| 12 | Exact Matches in the HTML Tag Relevancy | -0.25 | 230 | 8 | 25 % | 95 % |
| 13 | Variations in Search Result URL Path Relevancy | -0.25 | 3 | 2 | 57 % | 94 % |
| 14 | Variations in H1, H2, and H3 Tags Relevancy | -0.25 | 41 | 9 | 69 % | 95 % |
| 15 | Variations in H1-H6 Tags Relevancy | -0.25 | 44 | 10 | 70 % | 96 % |
| 16 | Entities in Sentences Relevancy | -0.25 | 446 | 176 | 77 % | 96 % |
| 17 | Entities in the HTML Tag Relevancy | -0.25 | 449 | 181 | 79 % | 96 % |
| 18 | Leading Variations in H1, H2, and H3 Tags Relevancy | -0.24 | 6 | 2 | 52 % | 93 % |
| 19 | Leading Variations in Title Tag Relevancy | -0.24 | 1 | 1 | 40 % | 94 % |
| 20 | Number of Top 50 Shared Factors Used Diversity | -0.24 | 16 | 13 | 97 % | 93 % |
| 21 | Variations in Search Result URL Relevancy | -0.24 | 4 | 2 | 68 % | 90 % |
| 22 | Variations in First 100 Words Relevancy | -0.24 | 22 | 8 | 73 % | 95 % |
| 23 | Variations in H2 Tags Relevancy | -0.24 | 25 | 5 | 57 % | 95 % |
| 24 | Entities in H1 Tags | -0.24 | 10 | 3 | 64 % | 95 % |
| 25 | LSI Words in Title Tag Relevancy | -0.23 | 12 | 7 | 74 % | 96 % |
| 26 | Variations in Sentences Relevancy | -0.23 | 93 | 34 | 76 % | 95 % |
| 27 | Variations in the Canonical URL Relevancy | -0.23 | 6 | 2 | 60 % | 92 % |
| 28 | Variations in P Tags Relevancy | -0.23 | 107 | 39 | 73 % | 94 % |
| 29 | Leading Variations in H1-H6 Tags Relevancy | -0.23 | 7 | 2 | 55 % | 94 % |
| 30 | LSI Words in Sentences Relevancy | -0.23 | 2501 | 802 | 72 % | 98 % |
| 31 | Variations in Div Tags Relevancy | -0.22 | 253 | 139 | 77 % | 94 % |
| 32 | Variations in HTML Tags Relevancy | -0.22 | 585 | 239 | 80 % | 94 % |
| 33 | Variations in Body Tags Relevancy | -0.22 | 585 | 239 | 80 % | 94 % |
| 34 | Has Entities in H1 Tags Relevancy | -0.22 | 1 | 1 | 65 % | 94 % |
| 35 | Term Frequency Relevancy | -0.22 | 4 | 3 | 80 % | 92 % |
| 36 | Entities in Meta Description Tag Relevancy | -0.22 | 8 | 4 | 66 % | 95 % |
| 37 | LSI Words in H2 Tags Relevancy | -0.22 | 117 | 28 | 66 % | 96 % |
| 38 | Variations in the Title Tag Relevancy | -0.22 | 3 | 2 | 73 % | 90 % |
| 39 | Variations in Absolute URLs Relevancy | -0.22 | 185 | 75 | 72 % | 96 % |
| 40 | Leading Variations in H1 Tags Relevancy | -0.22 | 2 | 1 | 33 % | 93 % |
| 41 | Exact Matches in H1-H6 Tags Relevancy | -0.21 | 7 | 1 | 14 % | 95 % |
| 42 | TF/IDF Relevancy | -0.21 | 1 | 1 | 67 % | 90 % |
| 43 | Inline CSS Kilobytes Size | -0.21 | 157 | 77 | 68 % | 94 % |
| 44 | Variations in LI Tags Relevancy | -0.21 | 136 | 29 | 70 % | 94 % |
| 45 | Has Entities in H2 Tags Relevancy | -0.21 | 1 | 1 | 65 % | 93 % |
| 46 | Variations in H1 Tags Relevancy | -0.21 | 5 | 2 | 61 % | 93 % |
| 47 | Entities in H3 Tags | -0.2 | 29 | 8 | 53 % | 96 % |
| 48 | Variations in Search Result Link Text Relevancy | -0.2 | 3 | 2 | 86 % | 89 % |
| 49 | Variations in Script Tags Relevancy | -0.2 | 321 | 45 | 69 % | 91 % |
| 50 | Exact Matches in Title Tag Relevancy | -0.2 | 1 | 1 | 12 % | 90 % |
| 51 | Variations in Search Result Display URL Relevancy | -0.2 | 3 | 2 | 86 % | 90 % |
| 52 | Number Of JSON-LD Types Relevancy | -0.2 | 33 | 14 | 63 % | 91 % |
| 53 | Variations in Meta Description Relevancy | -0.2 | 4 | 2 | 64 % | 91 % |
| 54 | Exact Matches in Top 30KB Relevancy | -0.2 | 16 | 2 | 15 % | 95 % |
| 55 | LSI Words in Meta Description Tag Relevancy | -0.2 | 24 | 13 | 64 % | 95 % |
| 56 | Variations in A Tags Relevancy | -0.2 | 155 | 34 | 72 % | 94 % |
| 57 | Variations in OpenGraph Title Relevancy | -0.2 | 3 | 2 | 64 % | 89 % |
| 58 | Variations in Span Tags Relevancy | -0.2 | 28 | 13 | 58 % | 93 % |
| 59 | Exact Matches in Sentences Relevancy | -0.2 | 29 | 2 | 16 % | 93 % |
| 60 | Title Tag Has Entities Relevancy | -0.2 | 1 | 1 | 75 % | 92 % |
| 61 | Exact Matches in H1 Tags Relevancy | -0.2 | 1 | 1 | 9 % | 90 % |
| 62 | Uses JSON-LD name Other | -0.2 | 1 | 1 | 60 % | 88 % |
| 63 | Clean Keyword Density in the HTML Tag Relevancy | -0.2 | 6 | 4 | 74 % | 87 % |
| 64 | Unabridged Word Count Size | -0.2 | 7758 | 1788 | 84 % | 95 % |
| 65 | Variations in A Tag HREF Attributes Relevancy | -0.2 | 174 | 55 | 69 % | 94 % |
| 66 | Word Count Size | -0.2 | 6869 | 1506 | 84 % | 95 % |
| 67 | LSI Words in H1 Tags Relevancy | -0.19 | 22 | 6 | 66 % | 95 % |
| 68 | Variations in Distinct A Tag HREF Attributes Relevancy | -0.19 | 111 | 40 | 69 % | 93 % |
| 69 | Leading Variations in H2 Tags Relevancy | -0.19 | 3 | 1 | 30 % | 95 % |
| 70 | Number of Images Size | -0.19 | 135 | 30 | 77 % | 95 % |
| 71 | Has JSON-LD Schema Markup Relevancy | -0.19 | 1 | 1 | 61 % | 90 % |
| 72 | Clean Text Kilobytes Size | -0.19 | 49 | 12 | 77 % | 96 % |
| 73 | Number of Sentences Size | -0.19 | 286 | 112 | 82 % | 93 % |
| 74 | Number of Images with ALT Text Size | -0.19 | 114 | 21 | 72 % | 92 % |
| 75 | Number of Absolute URLs Authority | -0.19 | 2097 | 295 | 83 % | 89 % |
| 76 | Number of P Tags Size | -0.19 | 103 | 40 | 78 % | 92 % |
| 77 | Variations in OpenGraph Description Relevancy | -0.19 | 4 | 2 | 60 % | 89 % |
| 78 | Variation Count in Top 30KB Relevancy | -0.19 | 88 | 26 | 72 % | 95 % |
| 79 | Number of LinkedIn Pages Authority | -0.18 | 3 | 2 | 43 % | 92 % |
| 80 | Is OpenGraph Type Article Technology | -0.18 | 1 | 1 | 40 % | 84 % |
| 81 | Variations making whole H1 Tags Relevancy | -0.18 | 1 | 1 | 11 % | 86 % |
| 82 | Variation Density in Top 30KB Relevancy | -0.18 | 4 | 2 | 69 % | 91 % |
| 83 | Uses Schema name Other | -0.18 | 1 | 1 | 66 % | 88 % |
| 84 | Variations in Nav Tags Relevancy | -0.18 | 86 | 25 | 52 % | 92 % |
| 85 | Uses JSON-LD url Other | -0.18 | 1 | 1 | 54 % | 90 % |
| 86 | Variations in H3 Tags Relevancy | -0.18 | 12 | 3 | 44 % | 94 % |
| 87 | Number of HTML Tags Size | -0.18 | 2849 | 1054 | 84 % | 95 % |
| 88 | Has Schema Markup Relevancy | -0.18 | 1 | 1 | 68 % | 86 % |
| 89 | Variations making whole H1, H2, and H3 Tags Relevancy | -0.18 | 1 | 1 | 20 % | 90 % |
| 90 | Uses JSON-LD description Other | -0.18 | 1 | 1 | 50 % | 87 % |
| 91 | Uses Schema url Other | -0.18 | 1 | 1 | 62 % | 86 % |
| 92 | Number of H2 Tags Size | -0.18 | 24 | 8 | 73 % | 93 % |
| 93 | Variations in ALT Attributes Relevancy | -0.18 | 26 | 6 | 49 % | 92 % |
| 94 | Meta Description Tag Has Entities Relevancy | -0.18 | 1 | 1 | 68 % | 90 % |
| 95 | Number of Heading Tags Size | -0.17 | 64 | 26 | 78 % | 93 % |
| 96 | Page Size Kilobytes Size | -0.17 | 605 | 278 | 84 % | 92 % |
| 97 | Number of Facebook Pages Authority | -0.17 | 4 | 2 | 62 % | 89 % |
| 98 | Variations making whole H1-H6 Tags Relevancy | -0.17 | 2 | 1 | 24 % | 90 % |
| 99 | Uses JSON-LD BreadcrumbList Other | -0.17 | 1 | 1 | 43 % | 89 % |
| 100 | Percentage of DoFollow Links Authority | -0.17 | 95 | 84 | 80 % | 93 % |
| 101 | Uses Schema description Other | -0.17 | 1 | 1 | 55 % | 85 % |
| 102 | Number of Questions Size | -0.17 | 200 | 13 | 70 % | 91 % |
| 103 | Has Entities in H3 Tags Relevancy | -0.17 | 1 | 1 | 55 % | 92 % |
| 104 | Uses JSON-LD ListItem Other | -0.17 | 1 | 1 | 44 % | 87 % |
| 105 | Variations in Form Tags Relevancy | -0.17 | 3 | 1 | 16 % | 87 % |
| 106 | Has Apple Touch Icon Technology | -0.17 | 1 | 1 | 57 % | 86 % |
| 107 | Variations in Section Tags Relevancy | -0.17 | 141 | 33 | 46 % | 91 % |
| 108 | LSI Words in H3 Tags Relevancy | -0.17 | 99 | 25 | 58 % | 94 % |
| 109 | Number of Social Pages Authority | -0.17 | 11 | 5 | 65 % | 92 % |
| 110 | Variations in Strong Tags Relevancy | -0.17 | 6 | 3 | 32 % | 92 % |
| 111 | Is Article Page Other | -0.17 | 1 | 1 | 51 % | 89 % |
| 112 | Inline JavaScript Kilobytes Size | -0.17 | 409 | 67 | 81 % | 88 % |
| 113 | Has Canonical URL Authority | -0.17 | 1 | 1 | 74 % | 86 % |
| 114 | Variations making whole A Tags Relevancy | -0.17 | 5 | 2 | 36 % | 86 % |
| 115 | Flesch Kincaid Reading Grade Level Other | -0.16 | 5 | 2 | 95 % | 91 % |
| 116 | Number of Questions In Headings Size | -0.16 | 7 | 2 | 43 % | 94 % |
| 117 | Uses Schema imageobject Other | -0.16 | 1 | 1 | 43 % | 84 % |
| 118 | Number of US Phone Numbers Trust | -0.16 | 268 | 10 | 58 % | 92 % |
| 119 | Percentage of DoFollow Internal Links Authority | -0.16 | 84 | 73 | 79 % | 94 % |
| 120 | Entities in H4 Tags | -0.16 | 7 | 3 | 29 % | 91 % |
| 121 | Headings Has Question Other | -0.16 | 1 | 1 | 43 % | 92 % |
| 122 | Number Of Claimed Brands Other | -0.16 | 12 | 3 | 30 % | 91 % |
| 123 | Uses Schema breadcrumblist Other | -0.16 | 1 | 1 | 47 % | 86 % |
| 124 | Uses Schema webpage Other | -0.16 | 1 | 1 | 43 % | 85 % |
| 125 | Number of Includes Technology | -0.16 | 42 | 28 | 83 % | 85 % |
| 126 | Leading Variations in H3 Tags Relevancy | -0.16 | 3 | 1 | 23 % | 89 % |
| 127 | Number of Internal Links Authority | -0.16 | 407 | 132 | 80 % | 90 % |
| 128 | Number of HTTPS Links Authority | -0.16 | 1919 | 163 | 80 % | 91 % |
| 129 | Exact Matches making whole H1-H6 Tags Relevancy | -0.16 | 1 | 1 | 6 % | 91 % |
| 130 | Uses Schema listitem Other | -0.16 | 1 | 1 | 48 % | 84 % |
| 131 | Number of DoFollow Links Authority | -0.16 | 1918 | 161 | 80 % | 91 % |
| 132 | Variations in I Tags Relevancy | -0.16 | 12 | 5 | 31 % | 90 % |
| 133 | Has Meta Viewport Technology | -0.16 | 1 | 1 | 81 % | 88 % |
| 134 | Exact Matches making whole H1, H2, and H3 Tags Relevancy | -0.16 | 1 | 1 | 5 % | 91 % |
| 135 | Variations in HTML Comment Tags Relevancy | -0.16 | 17 | 3 | 35 % | 90 % |
| 136 | Has Meta Twitter Card Authority | -0.16 | 1 | 1 | 63 % | 85 % |
| 137 | Number of JavaScript Includes Technology | -0.16 | 24 | 17 | 81 % | 86 % |
| 138 | Exact Matches making whole H1 Tags Relevancy | -0.16 | 1 | 1 | 5 % | 92 % |
| 139 | Has Contact Page Trust | -0.16 | 1 | 1 | 65 % | 84 % |
| 140 | Number of Links Authority | -0.16 | 1920 | 162 | 80 % | 89 % |
| 141 | Has XMLRPC Technology | -0.16 | 1 | 1 | 40 % | 86 % |
| 142 | Variations in Style Tags Relevancy | -0.16 | 31 | 5 | 17 % | 92 % |
| 143 | Uses Schema organization Other | -0.15 | 1 | 1 | 41 % | 84 % |
| 144 | Uses JSON-LD Organization Other | -0.15 | 1 | 1 | 39 % | 83 % |
| 145 | Exact Matches in Meta Description Relevancy | -0.15 | 2 | 1 | 8 % | 89 % |
| 146 | Number of Questions In H2 Tags Size | -0.15 | 3 | 1 | 29 % | 89 % |
| 147 | Number of Images without ALT Text Size | -0.15 | 41 | 10 | 59 % | 92 % |
| 148 | Has US Phone Number Trust | -0.15 | 1 | 1 | 57 % | 87 % |
| 149 | Variations in Footer Tags Relevancy | -0.15 | 275 | 28 | 46 % | 92 % |
| 150 | Search Result Domain is .com, .net, or .org Other | -0.15 | 1 | 1 | 4 % | 61 % |
| 151 | Number of H1 Tags Size | -0.15 | 4 | 2 | 73 % | 92 % |
| 152 | Number of H3 Tags Size | -0.15 | 27 | 10 | 64 % | 94 % |
| 153 | Variations in Article Tags Relevancy | -0.15 | 104 | 12 | 25 % | 91 % |
| 154 | Has OpenGraph Type Relevancy | -0.15 | 1 | 1 | 66 % | 89 % |
| 155 | Variations in the last 100 words Relevancy | -0.15 | 12 | 4 | 59 % | 84 % |
| 156 | Uses Schema inlanguage Other | -0.15 | 1 | 1 | 40 % | 85 % |
| 157 | Has RSS Link Authority | -0.15 | 1 | 1 | 39 % | 86 % |
| 158 | Search Result Domain is .com Other | -0.15 | 1 | 1 | 4 % | 61 % |
| 159 | Uses JSON-LD ImageObject Other | -0.15 | 1 | 1 | 37 % | 86 % |
| 160 | Uses JSON-LD WebPage Other | -0.15 | 1 | 1 | 40 % | 85 % |
| 161 | Number of Meta Generator Tags Technology | -0.15 | 2 | 2 | 47 % | 87 % |
| 162 | Variations in H4-H6 Tags Relevancy | -0.15 | 7 | 2 | 27 % | 88 % |
| 163 | Has FavIcon Technology | -0.15 | 1 | 1 | 76 % | 85 % |
| 164 | Uses Schema telephone Other | -0.15 | 1 | 1 | 28 % | 84 % |
| 165 | Search Result Uses HTTPS Other | -0.15 | 1 | 1 | 83 % | 88 % |
| 166 | Uses JSON-LD inLanguage Other | -0.15 | 1 | 1 | 40 % | 86 % |
| 167 | Variations in Search Result Summary Relevancy | -0.15 | 4 | 3 | 88 % | 77 % |
| 168 | Search Result Number of Dirs in Path Other | -0.15 | 3 | 2 | 71 % | 73 % |
| 169 | Title Length Size | -0.15 | 66 | 50 | 83 % | 85 % |
| 170 | Variations Making Whole Span Tags Relevancy | -0.15 | 8 | 2 | 28 % | 86 % |
| 171 | Variations in Main Tags Relevancy | -0.15 | 243 | 48 | 35 % | 92 % |
| 172 | Variations Making Whole LI Tags Relevancy | -0.14 | 4 | 1 | 30 % | 82 % |
| 173 | Number of Email Addresses Trust | -0.14 | 17 | 5 | 49 % | 87 % |
| 174 | Number of Prices Size | -0.14 | 203 | 56 | 69 % | 86 % |
| 175 | Exact Matches in H2 Tags Relevancy | -0.14 | 6 | 1 | 7 % | 90 % |
| 176 | Variations in Class Attributes Relevancy | -0.14 | 42 | 6 | 24 % | 91 % |
| 177 | Uses JSON-LD image Other | -0.14 | 1 | 1 | 21 % | 86 % |
| 178 | Title Word Count Size | -0.14 | 11 | 8 | 83 % | 85 % |
| 179 | Has Meta Description Relevancy | -0.14 | 1 | 1 | 71 % | 85 % |
| 180 | Uses Schema searchaction Other | -0.14 | 1 | 1 | 34 % | 84 % |
| 181 | LSI Words in H4 Tags Relevancy | -0.14 | 24 | 9 | 37 % | 89 % |
| 182 | Uses Schema addressregion Other | -0.14 | 1 | 1 | 25 % | 81 % |
| 183 | Uses Schema website Other | -0.14 | 1 | 1 | 44 % | 86 % |
| 184 | Number of HTML Comments Size | -0.14 | 282 | 44 | 74 % | 86 % |
| 185 | Meta Description Length Size | -0.14 | 270 | 125 | 71 % | 88 % |
| 186 | Uses JSON-LD contentUrl Other | -0.14 | 1 | 1 | 30 % | 86 % |
| 187 | Uses JSON-LD item Other | -0.14 | 1 | 1 | 30 % | 85 % |
| 188 | Variations in Meta Twitter Content Relevancy | -0.14 | 2 | 1 | 34 % | 74 % |
| 189 | Variations Making Whole Strong Tags Relevancy | -0.14 | 1 | 1 | 9 % | 86 % |
| 190 | Uses Schema contenturl Other | -0.14 | 1 | 1 | 31 % | 85 % |
| 191 | Uses Schema streetaddress Other | -0.14 | 1 | 1 | 24 % | 80 % |
| 192 | Word Count in Meta Description Size | -0.14 | 47 | 20 | 71 % | 87 % |
| 193 | Uses Schema image Other | -0.14 | 1 | 1 | 25 % | 85 % |
| 194 | Has Meta Charset Technology | -0.14 | 1 | 1 | 76 % | 84 % |
| 195 | Uses Schema datepublished Other | -0.14 | 1 | 1 | 42 % | 79 % |
| 196 | Uses Schema pricerange Other | -0.14 | 1 | 1 | 16 % | 79 % |
| 197 | Number of H4 Tags Size | -0.14 | 10 | 5 | 41 % | 84 % |
| 198 | Uses JSON-LD WebSite Other | -0.14 | 1 | 1 | 40 % | 86 % |
| 199 | Uses JSON-LD datePublished Other | -0.14 | 1 | 1 | 39 % | 85 % |
| 200 | Uses JSON-LD addressRegion Other | -0.14 | 1 | 1 | 24 % | 81 % |
