[ Ahrefs, SEMRush, DomDetailer, SpyFu APIs ]
[ Wappalyzer API ]
SEO Factor ClassSize ( 54333 )Relevancy ( 53940 ) Other ( 32603 ) Local ( 8984 ) Technology ( 1599 ) Authority ( 163 ) Pay Per Click ( 29 ) Diversity ( 15 ) Trust ( 15 ) Easy ( 3 ) Performance ( 1 ) This factor is measured within the schema markup of the web page. ( 1 ) |
SEO Factor TypeSize ( 54329 )Keywords ( 41842 ) Schema ( 32549 ) Local ( 8985 ) LSI ( 8508 ) Entities ( 3568 ) 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 Unique LSI Words Used Diversity | -0.27 | 1156 | 326 | 91 % | 71 % |
| 2 | Number of Distinct Entities Used Diversity | -0.27 | 73 | 28 | 84 % | 81 % |
| 3 | Number of Top 200 Shared Factors Used Diversity | -0.25 | 57 | 41 | 97 % | 86 % |
| 4 | Number of Top 100 Shared Factors Used Diversity | -0.25 | 42 | 31 | 97 % | 87 % |
| 5 | Variations in Body Tags Relevancy | -0.25 | 81762 | 261 | 87 % | 84 % |
| 6 | Variations in HTML Tags Relevancy | -0.25 | 81762 | 260 | 87 % | 84 % |
| 7 | Number of Unique Variations Used Diversity | -0.24 | 38 | 8 | 88 % | 76 % |
| 8 | Variations in P Tags Relevancy | -0.24 | 990 | 33 | 76 % | 83 % |
| 9 | Variations in Sentences Relevancy | -0.24 | 1709 | 37 | 79 % | 82 % |
| 10 | Number of Top 50 Shared Factors Used Diversity | -0.24 | 18 | 13 | 96 % | 82 % |
| 11 | Variations in H1, H2, and H3 Tags Relevancy | -0.24 | 59 | 7 | 76 % | 82 % |
| 12 | Variations in H1-H6 Tags Relevancy | -0.24 | 102 | 8 | 77 % | 82 % |
| 13 | Variations in Div Tags Relevancy | -0.23 | 34861 | 129 | 84 % | 83 % |
| 14 | Entities in the HTML Tag Relevancy | -0.23 | 521 | 118 | 77 % | 86 % |
| 15 | Entities in Sentences Relevancy | -0.23 | 520 | 115 | 76 % | 86 % |
| 16 | Variations in H1 and H2 Tags Relevancy | -0.23 | 38 | 5 | 74 % | 81 % |
| 17 | Variations in Search Result Display URL Relevancy | -0.23 | 4 | 2 | 82 % | 72 % |
| 18 | Number of Factors Used Diversity | -0.22 | 495 | 198 | 97 % | 84 % |
| 19 | Number of Referring Domains Authority | -0.22 | 7619 | 82 | 60 % | 75 % |
| 20 | Variations in A Tags Relevancy | -0.22 | 1784 | 24 | 75 % | 82 % |
| 21 | Variations in LI Tags Relevancy | -0.22 | 499 | 19 | 74 % | 82 % |
| 22 | Variations in Search Result Link Text Relevancy | -0.22 | 4 | 2 | 82 % | 68 % |
| 23 | Number of Backlinks Authority | -0.22 | 659467 | 4667 | 60 % | 74 % |
| 24 | Term Frequency Relevancy | -0.21 | 6 | 3 | 86 % | 81 % |
| 25 | LSI Words in Sentences Relevancy | -0.21 | 4609 | 788 | 77 % | 85 % |
| 26 | Exact Matches in the HTML Tag Relevancy | -0.21 | 365 | 17 | 45 % | 77 % |
| 27 | Variations in H2 Tags Relevancy | -0.21 | 28 | 4 | 51 % | 81 % |
| 28 | Number of No Follow Backlinks Authority | -0.21 | 150091 | 733 | 52 % | 72 % |
| 29 | Number of Do Follow Backlinks Authority | -0.21 | 612612 | 3870 | 52 % | 73 % |
| 30 | Entities in H2 Tags | -0.21 | 56 | 6 | 53 % | 80 % |
| 31 | Variations in the Title Tag Relevancy | -0.2 | 14 | 2 | 75 % | 70 % |
| 32 | Clean Text Kilobytes Size | -0.2 | 99 | 13 | 88 % | 85 % |
| 33 | Unabridged Word Count Size | -0.2 | 20583 | 2025 | 91 % | 80 % |
| 34 | Clean Keyword Density in the HTML Tag Relevancy | -0.2 | 183 | 4 | 78 % | 72 % |
| 35 | Word Count Size | -0.2 | 5511 | 1530 | 91 % | 80 % |
| 36 | Variation Density in Top 30KB Relevancy | -0.2 | 297 | 3 | 69 % | 77 % |
| 37 | Entities in Title Tag Relevancy | -0.2 | 8 | 3 | 70 % | 76 % |
| 38 | Leading Variations in H1, H2, and H3 Tags Relevancy | -0.2 | 11 | 2 | 48 % | 77 % |
| 39 | Variations in Script Tags Relevancy | -0.2 | 20512 | 69 | 68 % | 81 % |
| 40 | Leading Variations in H1-H6 Tags Relevancy | -0.19 | 15 | 2 | 51 % | 79 % |
| 41 | Entities in H3 Tags | -0.19 | 42 | 5 | 43 % | 79 % |
| 42 | Variations in Distinct A Tag HREF Attributes Relevancy | -0.19 | 932 | 28 | 70 % | 82 % |
| 43 | Variations in H1 Tags Relevancy | -0.19 | 11 | 2 | 65 % | 71 % |
| 44 | Variations in A Tag HREF Attributes Relevancy | -0.19 | 1155 | 42 | 69 % | 82 % |
| 45 | Number of Sentences Size | -0.19 | 549 | 114 | 91 % | 79 % |
| 46 | Load Time Milliseconds Performance | -0.19 | 39570 | 1514 | 92 % | 83 % |
| 47 | Variations in ALT Attributes Relevancy | -0.19 | 80 | 8 | 53 % | 79 % |
| 48 | Variations in Search Result URL Path Relevancy | -0.19 | 10 | 2 | 57 % | 77 % |
| 49 | Number of Questions Size | -0.19 | 93 | 9 | 69 % | 82 % |
| 50 | Variations in Span Tags Relevancy | -0.18 | 582 | 10 | 57 % | 80 % |
| 51 | Variations in the Canonical URL Relevancy | -0.18 | 45 | 2 | 58 % | 78 % |
| 52 | Variations in First 100 Words Relevancy | -0.18 | 173 | 8 | 73 % | 76 % |
| 53 | Number of HTML Tags Size | -0.18 | 3048 | 1041 | 92 % | 79 % |
| 54 | Number of P Tags Size | -0.18 | 130 | 39 | 86 % | 78 % |
| 55 | Search Result Domain is .com, .net, or .org Other | -0.18 | 1 | 1 | 3 % | 54 % |
| 56 | Exact Matches in H1-H6 Tags Relevancy | -0.18 | 20 | 2 | 31 % | 76 % |
| 57 | Variations in H3 Tags Relevancy | -0.18 | 34 | 3 | 37 % | 78 % |
| 58 | Variations in Meta Description Relevancy | -0.18 | 30 | 2 | 58 % | 73 % |
| 59 | Exact Matches in Sentences Relevancy | -0.18 | 146 | 4 | 31 % | 78 % |
| 60 | Has JSON-LD Schema Markup Relevancy | -0.18 | 1 | 1 | 56 % | 66 % |
| 61 | Search Result Domain is .com Other | -0.18 | 1 | 1 | 3 % | 56 % |
| 62 | LSI Words in Title Tag Relevancy | -0.18 | 18 | 6 | 76 % | 81 % |
| 63 | TF/IDF Relevancy | -0.18 | 1 | 1 | 66 % | 72 % |
| 64 | Variations in Main Tags Relevancy | -0.18 | 24906 | 72 | 38 % | 80 % |
| 65 | Variations in Search Result URL Relevancy | -0.17 | 5 | 2 | 62 % | 73 % |
| 66 | Variations in OpenGraph Title Relevancy | -0.17 | 11 | 2 | 58 % | 68 % |
| 67 | LSI Words in H2 Tags Relevancy | -0.17 | 109 | 21 | 63 % | 82 % |
| 68 | Number of HTTPS Links Authority | -0.17 | 1052 | 152 | 89 % | 79 % |
| 69 | Variation Count in Top 30KB Relevancy | -0.17 | 4328 | 28 | 75 % | 75 % |
| 70 | Number of Internal Links Authority | -0.17 | 1042 | 138 | 89 % | 78 % |
| 71 | Variations in Absolute URLs Relevancy | -0.17 | 13984 | 69 | 71 % | 84 % |
| 72 | Number of Facebook Pages Authority | -0.17 | 11 | 3 | 66 % | 66 % |
| 73 | Number of Links Authority | -0.17 | 1054 | 155 | 89 % | 75 % |
| 74 | Variations in Search Result Document File Name Relevancy | -0.17 | 4 | 2 | 56 % | 70 % |
| 75 | Number of DoFollow Links Authority | -0.17 | 1051 | 150 | 89 % | 78 % |
| 76 | Variations in OpenGraph Description Relevancy | -0.17 | 34 | 2 | 52 % | 70 % |
| 77 | Page Size Kilobytes Size | -0.17 | 634 | 238 | 92 % | 79 % |
| 78 | Number of Includes Technology | -0.17 | 48 | 24 | 86 % | 62 % |
| 79 | Entities in H1 Tags | -0.17 | 24 | 2 | 57 % | 71 % |
| 80 | Number of Heading Tags Size | -0.17 | 52 | 21 | 88 % | 78 % |
| 81 | Variations in Nav Tags Relevancy | -0.17 | 3024 | 21 | 48 % | 76 % |
| 82 | Leading Variations in Title Tag Relevancy | -0.16 | 1 | 1 | 36 % | 68 % |
| 83 | Exact Matches in Top 30KB Relevancy | -0.16 | 23 | 3 | 28 % | 71 % |
| 84 | Number Of JSON-LD Types Relevancy | -0.16 | 86 | 13 | 61 % | 78 % |
| 85 | Number of Images with ALT Text Size | -0.16 | 171 | 20 | 82 % | 80 % |
| 86 | Number of H2 Tags Size | -0.16 | 23 | 7 | 76 % | 77 % |
| 87 | Number of Questions In Headings Size | -0.16 | 9 | 2 | 37 % | 78 % |
| 88 | Leading Variations in H1 Tags Relevancy | -0.16 | 2 | 1 | 31 % | 71 % |
| 89 | Number of Images Size | -0.16 | 180 | 31 | 87 % | 77 % |
| 90 | Number of Absolute URLs Authority | -0.16 | 736 | 250 | 91 % | 78 % |
| 91 | Exact Matches in Title Tag Relevancy | -0.16 | 2 | 1 | 27 % | 70 % |
| 92 | Leading Variations in H2 Tags Relevancy | -0.16 | 6 | 1 | 23 % | 77 % |
| 93 | Variations in Section Tags Relevancy | -0.16 | 666 | 18 | 39 % | 77 % |
| 94 | Number of CSS Includes Technology | -0.15 | 17 | 8 | 78 % | 57 % |
| 95 | Entities in Meta Description Tag Relevancy | -0.15 | 10 | 3 | 56 % | 72 % |
| 96 | Number of H3 Tags Size | -0.15 | 25 | 8 | 68 % | 75 % |
| 97 | Uses Schema name Other | -0.15 | 1 | 1 | 65 % | 61 % |
| 98 | LSI Words in H3 Tags Relevancy | -0.15 | 97 | 19 | 55 % | 81 % |
| 99 | Variations in TITLE Attributes Relevancy | -0.15 | 54 | 7 | 43 % | 76 % |
| 100 | Number of Instagram Pages Authority | -0.15 | 15 | 2 | 43 % | 71 % |
| 101 | LSI Words in H1 Tags Relevancy | -0.15 | 32 | 5 | 67 % | 77 % |
| 102 | Search Result Number of Dirs in Path Other | -0.15 | 4 | 2 | 80 % | 67 % |
| 103 | Exact Matches in A Tags Relevancy | -0.15 | 43 | 3 | 24 % | 77 % |
| 104 | Percentage of DoFollow Internal Links Authority | -0.15 | 93 | 78 | 88 % | 71 % |
| 105 | Number of Prices Size | -0.15 | 675 | 58 | 74 % | 73 % |
| 106 | Uses Schema faqpage Other | -0.15 | 1 | 1 | 7 % | 65 % |
| 107 | Uses Schema question Other | -0.15 | 1 | 1 | 7 % | 66 % |
| 108 | Exact Matches in H1 Tags Relevancy | -0.15 | 2 | 1 | 22 % | 70 % |
| 109 | Uses Schema answer Other | -0.15 | 1 | 1 | 7 % | 65 % |
| 110 | Has Entities in H2 Tags Relevancy | -0.15 | 1 | 1 | 55 % | 72 % |
| 111 | Inline JavaScript Kilobytes Size | -0.15 | 326 | 67 | 89 % | 74 % |
| 112 | Has Schema Markup Relevancy | -0.15 | 1 | 1 | 70 % | 67 % |
| 113 | Number of External Links Authority | -0.15 | 280 | 18 | 85 % | 71 % |
| 114 | Variations Making Whole LI Tags Relevancy | -0.15 | 6 | 1 | 26 % | 70 % |
| 115 | Variations making whole A Tags Relevancy | -0.15 | 13 | 1 | 32 % | 71 % |
| 116 | Variations in Search Result Summary Relevancy | -0.15 | 41 | 3 | 84 % | 59 % |
| 117 | Headings Has Question Other | -0.14 | 1 | 1 | 37 % | 73 % |
| 118 | Variations Making Whole Span Tags Relevancy | -0.14 | 76 | 1 | 21 % | 73 % |
| 119 | Uses JSON-LD name Other | -0.14 | 1 | 1 | 57 % | 63 % |
| 120 | Number of Questions In H2 Tags Size | -0.14 | 5 | 1 | 23 % | 75 % |
| 121 | Exact Matches in H2 Tags Relevancy | -0.14 | 6 | 1 | 16 % | 77 % |
| 122 | Variations in Article Tags Relevancy | -0.14 | 161 | 17 | 30 % | 70 % |
| 123 | Variations in Strong Tags Relevancy | -0.14 | 25 | 2 | 30 % | 73 % |
| 124 | Flesch Kincaid Reading Grade Level Other | -0.14 | 7 | 3 | 94 % | 72 % |
| 125 | Variations in Footer Tags Relevancy | -0.14 | 1185 | 7 | 34 % | 72 % |
| 126 | Entities in H4 Tags | -0.14 | 13 | 2 | 23 % | 75 % |
| 127 | Uses JSON-LD Question Other | -0.14 | 1 | 1 | 6 % | 65 % |
| 128 | Number of Twitter Accounts Authority | -0.14 | 4 | 1 | 40 % | 68 % |
| 129 | Uses JSON-LD Answer Other | -0.14 | 1 | 1 | 6 % | 63 % |
| 130 | Uses JSON-LD FAQPage Other | -0.14 | 1 | 1 | 6 % | 65 % |
| 131 | Title Has Sales Words Other | -0.14 | 1 | 1 | 16 % | 64 % |
| 132 | Has Entities in H1 Tags Relevancy | -0.14 | 1 | 1 | 61 % | 68 % |
| 133 | Has FavIcon Technology | -0.14 | 1 | 1 | 78 % | 67 % |
| 134 | Variations in the last 100 words Relevancy | -0.14 | 176 | 4 | 51 % | 71 % |
| 135 | Uses JSON-LD text Other | -0.14 | 1 | 1 | 7 % | 65 % |
| 136 | Number of Nofollow Links Authority | -0.14 | 66 | 6 | 33 % | 74 % |
| 137 | Title Tag Has Entities Relevancy | -0.14 | 1 | 1 | 72 % | 68 % |
| 138 | Number of Facebook Accounts Authority | -0.14 | 10 | 1 | 33 % | 68 % |
| 139 | Variations making whole H1-H6 Tags Relevancy | -0.14 | 2 | 1 | 18 % | 68 % |
| 140 | Number of Questions In H3 Tags Size | -0.14 | 4 | 1 | 16 % | 73 % |
| 141 | Has Entities in H3 Tags Relevancy | -0.14 | 1 | 1 | 45 % | 72 % |
| 142 | Number of DoFollow External Links Authority | -0.14 | 275 | 15 | 84 % | 69 % |
| 143 | Number of US Phone Numbers Trust | -0.14 | 176 | 10 | 44 % | 70 % |
| 144 | Has Meta Charset Technology | -0.14 | 1 | 1 | 81 % | 63 % |
| 145 | Has Privacy Policy Trust | -0.14 | 1 | 1 | 61 % | 66 % |
| 146 | Leading Variations in H3 Tags Relevancy | -0.14 | 5 | 1 | 16 % | 75 % |
| 147 | Uses Schema text Other | -0.14 | 1 | 1 | 11 % | 67 % |
| 148 | Number of Social Pages Authority | -0.13 | 20 | 4 | 71 % | 69 % |
| 149 | LSI Words in Meta Description Tag Relevancy | -0.13 | 39 | 11 | 59 % | 76 % |
| 150 | Number of NoFollow External Links Authority | -0.13 | 47 | 3 | 22 % | 73 % |
| 151 | Uses Schema breadcrumblist Other | -0.13 | 1 | 1 | 44 % | 62 % |
| 152 | Variations making whole H1, H2, and H3 Tags Relevancy | -0.13 | 2 | 1 | 16 % | 67 % |
| 153 | Title Has Sentiment Words Other | -0.13 | 1 | 1 | 23 % | 62 % |
| 154 | Number of Social Accounts Authority | -0.13 | 11 | 2 | 54 % | 69 % |
| 155 | Uses Schema listitem Other | -0.13 | 1 | 1 | 44 % | 62 % |
| 156 | Uses Schema person Other | -0.13 | 1 | 1 | 25 % | 52 % |
| 157 | Uses Schema headline Other | -0.13 | 1 | 1 | 23 % | 52 % |
| 158 | Uses Schema url Other | -0.13 | 1 | 1 | 58 % | 56 % |
| 159 | Exact Matches in Meta Description Relevancy | -0.13 | 2 | 1 | 17 % | 71 % |
| 160 | Variations in H4-H6 Tags Relevancy | -0.13 | 44 | 2 | 21 % | 71 % |
| 161 | Number of LinkedIn Pages Authority | -0.13 | 2 | 1 | 27 % | 67 % |
| 162 | Variations in Button Tags Relevancy | -0.13 | 1165 | 2 | 7 % | 72 % |
| 163 | Is Article Page Other | -0.13 | 1 | 1 | 51 % | 54 % |
| 164 | Variations in ID Attributes Relevancy | -0.13 | 303 | 2 | 13 % | 73 % |
| 165 | Search Result Summary Length Size | -0.13 | 166 | 148 | 95 % | 65 % |
| 166 | Inline CSS Kilobytes Size | -0.13 | 138 | 54 | 66 % | 72 % |
| 167 | Uses Schema datepublished Other | -0.13 | 1 | 1 | 42 % | 50 % |
| 168 | Number Of Claimed Brands Other | -0.13 | 13 | 2 | 24 % | 67 % |
| 169 | Variations in I Tags Relevancy | -0.13 | 25 | 5 | 30 % | 68 % |
| 170 | Is Purchase Page Other | -0.13 | 1 | 1 | 51 % | 60 % |
| 171 | Has US Phone Number Trust | -0.13 | 1 | 1 | 43 % | 54 % |
| 172 | Uses JSON-LD ListItem Other | -0.13 | 1 | 1 | 38 % | 59 % |
| 173 | Is OpenGraph Type Article Technology | -0.13 | 1 | 1 | 39 % | 48 % |
| 174 | Number of JavaScript Includes Technology | -0.13 | 36 | 17 | 89 % | 65 % |
| 175 | Has Contact Page Trust | -0.13 | 1 | 1 | 63 % | 56 % |
| 176 | Percentage of NoFollow Links Authority | -0.13 | 16 | 3 | 30 % | 68 % |
| 177 | Has Terms of Service Trust | -0.13 | 1 | 1 | 37 % | 62 % |
| 178 | Uses Schema description Other | -0.13 | 1 | 1 | 51 % | 50 % |
| 179 | Variations in Meta Twitter Description Relevancy | -0.13 | 17 | 1 | 20 % | 63 % |
| 180 | Has Meta Twitter Card Authority | -0.13 | 1 | 1 | 52 % | 54 % |
| 181 | Number of HTML Comments Size | -0.13 | 211 | 35 | 79 % | 69 % |
| 182 | Uses JSON-LD url Other | -0.13 | 1 | 1 | 48 % | 59 % |
| 183 | Uses Schema item Other | -0.12 | 1 | 1 | 28 % | 58 % |
| 184 | Uses JSON-LD BreadcrumbList Other | -0.12 | 1 | 1 | 36 % | 61 % |
| 185 | Uses JSON-LD headline Other | -0.12 | 1 | 1 | 20 % | 53 % |
| 186 | Has Canonical URL Authority | -0.12 | 1 | 1 | 78 % | 65 % |
| 187 | Number of H4 Tags Size | -0.12 | 12 | 4 | 44 % | 69 % |
| 188 | Variations in H4 Tags Relevancy | -0.12 | 30 | 1 | 16 % | 70 % |
| 189 | Variations in Meta Twitter Content Relevancy | -0.12 | 6 | 1 | 23 % | 61 % |
| 190 | Uses JSON-LD Person Other | -0.12 | 1 | 1 | 22 % | 55 % |
| 191 | Uses JSON-LD mainEntity Other | -0.12 | 1 | 1 | 1 % | 15 % |
| 192 | Number of HREF Lang Tags Size | -0.12 | 66 | 2 | 10 % | 68 % |
| 193 | Search Result URL Length Size | -0.12 | 94 | 61 | 98 % | 44 % |
| 194 | Percentage of NoFollow External Links Authority | -0.12 | 11 | 2 | 20 % | 68 % |
| 195 | Number of Forms Technology | -0.12 | 18 | 3 | 66 % | 61 % |
| 196 | Variations in Class Attributes Relevancy | -0.12 | 5226 | 8 | 24 % | 71 % |
| 197 | Is Store Page Other | -0.12 | 1 | 1 | 48 % | 58 % |
| 198 | Has Apple Touch Icon Technology | -0.12 | 1 | 1 | 50 % | 60 % |
| 199 | Number of Images without ALT Text Size | -0.12 | 67 | 11 | 68 % | 71 % |
| 200 | Percentage of DoFollow Links Authority | -0.12 | 100 | 90 | 89 % | 70 % |