[ Ahrefs, SEMRush, DomDetailer, SpyFu APIs ]
[ Wappalyzer API ]
SEO Factor ClassSize ( 54166 )Relevancy ( 53661 ) Other ( 29615 ) Local ( 8934 ) Technology ( 1599 ) Authority ( 163 ) Pay Per Click ( 29 ) Diversity ( 15 ) Trust ( 15 ) Easy ( 3 ) This factor is measured within the schema markup of the web page. ( 1 ) Performance ( 1 ) |
SEO Factor TypeSize ( 54162 )Keywords ( 41565 ) Schema ( 29561 ) Local ( 8935 ) LSI ( 8507 ) Entities ( 3567 ) Other ( 1705 ) Backlinks ( 72 ) Social ( 58 ) Page Links ( 29 ) Structure ( 23 ) Meta ( 14 ) On Page ( 3 ) This factor does not have an applicable match type. ( 1 ) |
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 Distinct Entities Used Diversity | -0.29 | 88 | 28 | 84 % | 79 % |
| 2 | Number of Unique LSI Words Used Diversity | -0.28 | 1204 | 333 | 91 % | 62 % |
| 3 | Number of Top 100 Shared Factors Used Diversity | -0.26 | 44 | 31 | 98 % | 89 % |
| 4 | Number of Top 200 Shared Factors Used Diversity | -0.26 | 57 | 41 | 98 % | 89 % |
| 5 | Number of Unique Variations Used Diversity | -0.25 | 35 | 8 | 89 % | 76 % |
| 6 | Variations in Body Tags Relevancy | -0.25 | 104530 | 463 | 88 % | 89 % |
| 7 | Variations in HTML Tags Relevancy | -0.25 | 104530 | 464 | 88 % | 89 % |
| 8 | Number of Top 50 Shared Factors Used Diversity | -0.24 | 20 | 13 | 96 % | 86 % |
| 9 | Number of Referring Domains Authority | -0.24 | 17977 | 102 | 63 % | 73 % |
| 10 | Number of Factors Used Diversity | -0.24 | 342 | 190 | 98 % | 88 % |
| 11 | Number of Backlinks Authority | -0.23 | 4898800 | 12891 | 63 % | 74 % |
| 12 | Number of No Follow Backlinks Authority | -0.23 | 4835798 | 4472 | 55 % | 71 % |
| 13 | Variations in H1-H6 Tags Relevancy | -0.23 | 271 | 9 | 78 % | 87 % |
| 14 | Variations in Div Tags Relevancy | -0.23 | 45510 | 195 | 85 % | 86 % |
| 15 | Variations in P Tags Relevancy | -0.23 | 5229 | 42 | 77 % | 87 % |
| 16 | Variations in H1, H2, and H3 Tags Relevancy | -0.23 | 233 | 8 | 77 % | 87 % |
| 17 | Variations in Sentences Relevancy | -0.22 | 4425 | 44 | 80 % | 87 % |
| 18 | Entities in Title Tag Relevancy | -0.22 | 9 | 3 | 72 % | 75 % |
| 19 | Number of Do Follow Backlinks Authority | -0.22 | 1920602 | 8596 | 53 % | 72 % |
| 20 | Variations in A Tags Relevancy | -0.22 | 4703 | 32 | 77 % | 86 % |
| 21 | Variations in Search Result Display URL Relevancy | -0.22 | 16 | 2 | 85 % | 73 % |
| 22 | Variations in H1 and H2 Tags Relevancy | -0.22 | 161 | 5 | 74 % | 85 % |
| 23 | Entities in the HTML Tag Relevancy | -0.22 | 965 | 120 | 72 % | 91 % |
| 24 | Variations in Search Result Link Text Relevancy | -0.21 | 16 | 2 | 86 % | 70 % |
| 25 | Entities in Sentences Relevancy | -0.21 | 524 | 113 | 71 % | 90 % |
| 26 | Variations in LI Tags Relevancy | -0.21 | 2611 | 24 | 75 % | 86 % |
| 27 | Entities in H2 Tags | -0.21 | 43 | 7 | 54 % | 78 % |
| 28 | Variations in H2 Tags Relevancy | -0.21 | 154 | 4 | 51 % | 85 % |
| 29 | Variations in the Title Tag Relevancy | -0.2 | 19 | 2 | 78 % | 74 % |
| 30 | Term Frequency Relevancy | -0.2 | 6 | 3 | 88 % | 86 % |
| 31 | Clean Text Kilobytes Size | -0.2 | 53 | 12 | 89 % | 86 % |
| 32 | Leading Variations in H1-H6 Tags Relevancy | -0.2 | 26 | 2 | 52 % | 83 % |
| 33 | Unabridged Word Count Size | -0.2 | 9470 | 1898 | 92 % | 84 % |
| 34 | Leading Variations in H1, H2, and H3 Tags Relevancy | -0.2 | 21 | 2 | 50 % | 82 % |
| 35 | Word Count Size | -0.2 | 4046 | 1440 | 92 % | 83 % |
| 36 | Exact Matches in the HTML Tag Relevancy | -0.2 | 761 | 16 | 41 % | 81 % |
| 37 | Variations in A Tag HREF Attributes Relevancy | -0.2 | 2748 | 50 | 73 % | 86 % |
| 38 | Entities in H3 Tags | -0.19 | 36 | 6 | 43 % | 78 % |
| 39 | Variations in Distinct A Tag HREF Attributes Relevancy | -0.19 | 1795 | 33 | 73 % | 86 % |
| 40 | Clean Keyword Density in the HTML Tag Relevancy | -0.19 | 194 | 5 | 81 % | 77 % |
| 41 | Number of HTML Tags Size | -0.19 | 3766 | 1033 | 92 % | 83 % |
| 42 | Variation Density in Top 30KB Relevancy | -0.19 | 329 | 3 | 72 % | 80 % |
| 43 | Variations in Search Result URL Path Relevancy | -0.19 | 14 | 2 | 61 % | 77 % |
| 44 | LSI Words in Sentences Relevancy | -0.19 | 3780 | 650 | 67 % | 89 % |
| 45 | Variations in Script Tags Relevancy | -0.19 | 28483 | 118 | 69 % | 86 % |
| 46 | Number of HTTPS Links Authority | -0.19 | 488 | 155 | 89 % | 82 % |
| 47 | Variations in the Canonical URL Relevancy | -0.19 | 68 | 2 | 59 % | 80 % |
| 48 | Number of Sentences Size | -0.18 | 539 | 104 | 91 % | 82 % |
| 49 | Number of Internal Links Authority | -0.18 | 472 | 143 | 89 % | 81 % |
| 50 | Variations in ALT Attributes Relevancy | -0.18 | 514 | 9 | 52 % | 83 % |
| 51 | Variations in First 100 Words Relevancy | -0.18 | 189 | 8 | 76 % | 77 % |
| 52 | Number of Links Authority | -0.18 | 491 | 159 | 90 % | 80 % |
| 53 | Number of P Tags Size | -0.18 | 198 | 38 | 86 % | 82 % |
| 54 | Number of DoFollow Links Authority | -0.18 | 485 | 153 | 90 % | 81 % |
| 55 | Number of Includes Technology | -0.18 | 44 | 22 | 86 % | 67 % |
| 56 | Load Time Milliseconds Performance | -0.18 | 10529 | 1477 | 92 % | 80 % |
| 57 | Has JSON-LD Schema Markup Relevancy | -0.18 | 1 | 1 | 55 % | 68 % |
| 58 | Variations in Meta Description Relevancy | -0.18 | 102 | 2 | 60 % | 79 % |
| 59 | Variations in Nav Tags Relevancy | -0.18 | 12768 | 37 | 49 % | 82 % |
| 60 | Number of Heading Tags Size | -0.18 | 71 | 21 | 88 % | 82 % |
| 61 | Variations in Span Tags Relevancy | -0.18 | 836 | 11 | 58 % | 83 % |
| 62 | Variations in Absolute URLs Relevancy | -0.18 | 9421 | 81 | 73 % | 86 % |
| 63 | Leading Variations in Title Tag Relevancy | -0.17 | 1 | 1 | 38 % | 72 % |
| 64 | Search Result Domain is .com, .net, or .org Other | -0.17 | 1 | 1 | 3 % | 53 % |
| 65 | Variations in H1 Tags Relevancy | -0.17 | 20 | 2 | 66 % | 74 % |
| 66 | Number of Questions Size | -0.17 | 144 | 9 | 69 % | 83 % |
| 67 | Page Size Kilobytes Size | -0.17 | 727 | 218 | 92 % | 84 % |
| 68 | Variations in H3 Tags Relevancy | -0.17 | 131 | 3 | 36 % | 84 % |
| 69 | TF/IDF Relevancy | -0.17 | 1 | 1 | 69 % | 77 % |
| 70 | Number Of JSON-LD Types Relevancy | -0.17 | 115 | 11 | 59 % | 79 % |
| 71 | Number of Images Size | -0.17 | 230 | 31 | 88 % | 80 % |
| 72 | Entities in H1 Tags | -0.17 | 15 | 2 | 59 % | 70 % |
| 73 | Leading Variations in H1 Tags Relevancy | -0.17 | 2 | 1 | 34 % | 75 % |
| 74 | Variations in OpenGraph Title Relevancy | -0.17 | 17 | 2 | 59 % | 72 % |
| 75 | Variations in Search Result Document File Name Relevancy | -0.17 | 16 | 2 | 61 % | 70 % |
| 76 | Exact Matches in H1-H6 Tags Relevancy | -0.17 | 11 | 2 | 28 % | 81 % |
| 77 | Number of Facebook Pages Authority | -0.17 | 11 | 3 | 66 % | 72 % |
| 78 | Number of Images with ALT Text Size | -0.17 | 208 | 21 | 82 % | 83 % |
| 79 | Entities in Meta Description Tag Relevancy | -0.17 | 54 | 3 | 58 % | 72 % |
| 80 | Number of H2 Tags Size | -0.17 | 32 | 7 | 76 % | 81 % |
| 81 | Variations in Search Result URL Relevancy | -0.17 | 26 | 2 | 66 % | 74 % |
| 82 | Search Result Domain is .com Other | -0.17 | 1 | 1 | 3 % | 55 % |
| 83 | Variations in Main Tags Relevancy | -0.16 | 24292 | 90 | 36 % | 82 % |
| 84 | Number of Questions In Headings Size | -0.16 | 9 | 2 | 37 % | 79 % |
| 85 | Leading Variations in H2 Tags Relevancy | -0.16 | 11 | 1 | 24 % | 82 % |
| 86 | Number of CSS Includes Technology | -0.16 | 17 | 8 | 80 % | 63 % |
| 87 | Variations in OpenGraph Description Relevancy | -0.16 | 56 | 2 | 52 % | 76 % |
| 88 | LSI Words in Title Tag Relevancy | -0.16 | 16 | 5 | 65 % | 85 % |
| 89 | Number of Instagram Pages Authority | -0.16 | 10 | 2 | 42 % | 74 % |
| 90 | Number of Absolute URLs Authority | -0.16 | 770 | 232 | 92 % | 81 % |
| 91 | Variations in Footer Tags Relevancy | -0.16 | 5303 | 18 | 36 % | 77 % |
| 92 | Has Entities in H2 Tags Relevancy | -0.16 | 1 | 1 | 55 % | 70 % |
| 93 | Exact Matches in Top 30KB Relevancy | -0.16 | 31 | 3 | 28 % | 70 % |
| 94 | Exact Matches in Sentences Relevancy | -0.16 | 116 | 4 | 28 % | 82 % |
| 95 | Uses Schema name Other | -0.16 | 1 | 1 | 64 % | 63 % |
| 96 | Variation Count in Top 30KB Relevancy | -0.15 | 6676 | 43 | 78 % | 77 % |
| 97 | Exact Matches in Title Tag Relevancy | -0.15 | 3 | 1 | 26 % | 76 % |
| 98 | Inline JavaScript Kilobytes Size | -0.15 | 532 | 62 | 89 % | 79 % |
| 99 | Variations in TITLE Attributes Relevancy | -0.15 | 598 | 8 | 44 % | 80 % |
| 100 | Variations making whole H1-H6 Tags Relevancy | -0.15 | 2 | 1 | 19 % | 73 % |
| 101 | Number of H3 Tags Size | -0.15 | 33 | 8 | 67 % | 78 % |
| 102 | Variations Making Whole LI Tags Relevancy | -0.15 | 6 | 1 | 28 % | 74 % |
| 103 | Variations in Section Tags Relevancy | -0.15 | 1737 | 20 | 38 % | 79 % |
| 104 | LSI Words in H2 Tags Relevancy | -0.15 | 120 | 18 | 54 % | 87 % |
| 105 | Number of JavaScript Includes Technology | -0.15 | 37 | 16 | 88 % | 70 % |
| 106 | Percentage of DoFollow Internal Links Authority | -0.15 | 94 | 79 | 89 % | 74 % |
| 107 | Variations Making Whole Span Tags Relevancy | -0.15 | 7 | 1 | 22 % | 77 % |
| 108 | Variations making whole H1, H2, and H3 Tags Relevancy | -0.15 | 2 | 1 | 17 % | 73 % |
| 109 | Entities in H4 Tags | -0.15 | 14 | 2 | 23 % | 74 % |
| 110 | Title Tag Has Entities Relevancy | -0.15 | 1 | 1 | 73 % | 66 % |
| 111 | Number of External Links Authority | -0.15 | 63 | 17 | 85 % | 72 % |
| 112 | Search Result Number of Dirs in Path Other | -0.15 | 4 | 2 | 81 % | 65 % |
| 113 | Has Entities in H1 Tags Relevancy | -0.15 | 1 | 1 | 62 % | 66 % |
| 114 | Variations making whole A Tags Relevancy | -0.15 | 77 | 2 | 34 % | 76 % |
| 115 | Number of Questions In H2 Tags Size | -0.15 | 8 | 1 | 23 % | 77 % |
| 116 | Number of Twitter Accounts Authority | -0.15 | 4 | 1 | 39 % | 69 % |
| 117 | Headings Has Question Other | -0.15 | 1 | 1 | 37 % | 73 % |
| 118 | Variations in the last 100 words Relevancy | -0.15 | 187 | 4 | 53 % | 74 % |
| 119 | Number of Social Pages Authority | -0.15 | 13 | 4 | 71 % | 73 % |
| 120 | Uses JSON-LD name Other | -0.15 | 1 | 1 | 48 % | 67 % |
| 121 | Has FavIcon Technology | -0.15 | 1 | 1 | 78 % | 71 % |
| 122 | Uses Schema url Other | -0.14 | 1 | 1 | 58 % | 58 % |
| 123 | Number of DoFollow External Links Authority | -0.14 | 53 | 14 | 83 % | 70 % |
| 124 | Variations in Strong Tags Relevancy | -0.14 | 403 | 3 | 31 % | 78 % |
| 125 | Has Schema Markup Relevancy | -0.14 | 1 | 1 | 69 % | 69 % |
| 126 | Has Entities in H3 Tags Relevancy | -0.14 | 1 | 1 | 45 % | 70 % |
| 127 | Flesch Kincaid Reading Grade Level Other | -0.14 | 7 | 3 | 94 % | 73 % |
| 128 | Uses JSON-LD url Other | -0.14 | 1 | 1 | 48 % | 60 % |
| 129 | Has Contact Page Trust | -0.14 | 1 | 1 | 63 % | 60 % |
| 130 | Uses Schema answer Other | -0.14 | 1 | 1 | 7 % | 57 % |
| 131 | Number of Prices Size | -0.14 | 397 | 50 | 73 % | 75 % |
| 132 | Uses Schema question Other | -0.14 | 1 | 1 | 7 % | 58 % |
| 133 | Number of HTML Comments Size | -0.14 | 355 | 38 | 79 % | 74 % |
| 134 | Number of US Phone Numbers Trust | -0.14 | 158 | 10 | 39 % | 71 % |
| 135 | Uses Schema listitem Other | -0.14 | 1 | 1 | 42 % | 62 % |
| 136 | Uses Schema breadcrumblist Other | -0.14 | 1 | 1 | 42 % | 62 % |
| 137 | Number of Nofollow Links Authority | -0.14 | 62 | 6 | 33 % | 77 % |
| 138 | Has Privacy Policy Trust | -0.14 | 1 | 1 | 57 % | 68 % |
| 139 | Uses JSON-LD Question Other | -0.14 | 1 | 1 | 6 % | 55 % |
| 140 | Number of Social Accounts Authority | -0.14 | 6 | 2 | 52 % | 73 % |
| 141 | Uses JSON-LD Answer Other | -0.14 | 1 | 1 | 6 % | 55 % |
| 142 | Number of Facebook Accounts Authority | -0.14 | 4 | 1 | 32 % | 70 % |
| 143 | Uses Schema faqpage Other | -0.14 | 1 | 1 | 7 % | 57 % |
| 144 | Variations making whole H1 Tags Relevancy | -0.14 | 1 | 1 | 12 % | 70 % |
| 145 | Exact Matches in A Tags Relevancy | -0.14 | 76 | 2 | 22 % | 80 % |
| 146 | Uses JSON-LD text Other | -0.13 | 1 | 1 | 7 % | 56 % |
| 147 | Has Canonical URL Authority | -0.13 | 1 | 1 | 77 % | 70 % |
| 148 | Leading Variations in H3 Tags Relevancy | -0.13 | 11 | 1 | 17 % | 78 % |
| 149 | Inline CSS Kilobytes Size | -0.13 | 146 | 48 | 65 % | 77 % |
| 150 | Meta Description Tag Has Entities Relevancy | -0.13 | 1 | 1 | 59 % | 65 % |
| 151 | Uses JSON-LD FAQPage Other | -0.13 | 1 | 1 | 6 % | 55 % |
| 152 | Number of H4 Tags Size | -0.13 | 23 | 4 | 43 % | 73 % |
| 153 | LSI Words in H3 Tags Relevancy | -0.13 | 144 | 17 | 47 % | 86 % |
| 154 | Number Of Claimed Brands Other | -0.13 | 12 | 2 | 21 % | 70 % |
| 155 | Variations in Article Tags Relevancy | -0.13 | 3378 | 20 | 30 % | 71 % |
| 156 | Number of LinkedIn Pages Authority | -0.13 | 3 | 1 | 24 % | 70 % |
| 157 | Variations in H4-H6 Tags Relevancy | -0.13 | 47 | 2 | 21 % | 75 % |
| 158 | Number of Questions In H3 Tags Size | -0.13 | 4 | 1 | 16 % | 72 % |
| 159 | Variations in I Tags Relevancy | -0.13 | 696 | 7 | 32 % | 72 % |
| 160 | Has US Phone Number Trust | -0.13 | 1 | 1 | 38 % | 56 % |
| 161 | Exact Matches in H1 Tags Relevancy | -0.13 | 2 | 1 | 20 % | 76 % |
| 162 | Uses JSON-LD ListItem Other | -0.13 | 1 | 1 | 36 % | 61 % |
| 163 | Uses Schema description Other | -0.13 | 1 | 1 | 49 % | 53 % |
| 164 | Word Count in Meta Description Size | -0.13 | 204 | 21 | 70 % | 69 % |
| 165 | Meta Description Length Size | -0.13 | 1345 | 125 | 70 % | 70 % |
| 166 | Uses JSON-LD description Other | -0.13 | 1 | 1 | 43 % | 54 % |
| 167 | Uses Schema aggregaterating Other | -0.13 | 1 | 1 | 9 % | 53 % |
| 168 | Uses Schema city Other | -0.13 | 1 | 1 | 3 % | 19 % |
| 169 | Is Store Page Other | -0.13 | 1 | 1 | 48 % | 65 % |
| 170 | Exact Matches in H2 Tags Relevancy | -0.13 | 6 | 1 | 15 % | 81 % |
| 171 | Uses JSON-LD BreadcrumbList Other | -0.13 | 1 | 1 | 36 % | 60 % |
| 172 | Number of NoFollow External Links Authority | -0.13 | 27 | 3 | 22 % | 75 % |
| 173 | Number of Forms Technology | -0.13 | 15 | 3 | 68 % | 68 % |
| 174 | Uses JSON-LD ratingValue Other | -0.13 | 1 | 1 | 7 % | 51 % |
| 175 | Uses JSON-LD City | -0.13 | 1 | 1 | 3 % | 18 % |
| 176 | Uses JSON-LD inLanguage Other | -0.13 | 1 | 1 | 31 % | 48 % |
| 177 | Uses Schema text Other | -0.13 | 1 | 1 | 11 % | 59 % |
| 178 | Uses Schema datepublished Other | -0.13 | 1 | 1 | 40 % | 49 % |
| 179 | LSI Words in Meta Description Tag Relevancy | -0.13 | 98 | 10 | 51 % | 85 % |
| 180 | Number of Images without ALT Text Size | -0.13 | 79 | 10 | 68 % | 73 % |
| 181 | Uses JSON-LD AggregateRating | -0.13 | 1 | 1 | 6 % | 54 % |
| 182 | Variations in ID Attributes Relevancy | -0.13 | 638 | 3 | 13 % | 80 % |
| 183 | Uses Schema website Other | -0.13 | 1 | 1 | 35 % | 50 % |
| 184 | Uses Schema ratingvalue Other | -0.13 | 1 | 1 | 8 % | 54 % |
| 185 | Uses JSON-LD reviewCount Other | -0.13 | 1 | 1 | 4 % | 43 % |
| 186 | Uses Schema inlanguage Other | -0.13 | 1 | 1 | 31 % | 47 % |
| 187 | Variations in H4 Tags Relevancy | -0.13 | 29 | 1 | 16 % | 75 % |
| 188 | Has Meta Description Relevancy | -0.13 | 1 | 1 | 70 % | 66 % |
| 189 | Uses JSON-LD datePublished Other | -0.13 | 1 | 1 | 37 % | 51 % |
| 190 | Uses JSON-LD State Other | -0.13 | 1 | 1 | 2 % | 12 % |
| 191 | Uses Schema webpage Other | -0.13 | 1 | 1 | 38 % | 50 % |
| 192 | Has Meta Charset Technology | -0.12 | 1 | 1 | 82 % | 62 % |
| 193 | Uses Schema reviewcount Other | -0.12 | 1 | 1 | 5 % | 45 % |
| 194 | Title Word Count Size | -0.12 | 18 | 9 | 90 % | 63 % |
| 195 | Uses Schema datemodified Other | -0.12 | 1 | 1 | 37 % | 49 % |
| 196 | Uses JSON-LD image Other | -0.12 | 1 | 1 | 15 % | 57 % |
| 197 | Uses JSON-LD dateModified Other | -0.12 | 1 | 1 | 34 % | 51 % |
| 198 | Uses Schema state Other | -0.12 | 1 | 1 | 2 % | 12 % |
| 199 | Percentage of NoFollow Links Authority | -0.12 | 23 | 4 | 31 % | 72 % |
| 200 | Uses JSON-LD WebSite Other | -0.12 | 1 | 1 | 30 % | 54 % |