[ Ahrefs, SEMRush, DomDetailer, SpyFu APIs ]
[ Wappalyzer API ]
SEO Factor ClassSize ( 54484 )Relevancy ( 54123 ) Other ( 33275 ) Local ( 9022 ) 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 ( 54480 )Keywords ( 42020 ) Schema ( 33221 ) Local ( 9023 ) LSI ( 8513 ) 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 | Load Time Milliseconds Performance | -0.27 | 4874 | 1876 | 77 % | 84 % |
| 2 | Number of Unique LSI Words Used Diversity | -0.26 | 802 | 274 | 75 % | 89 % |
| 3 | Number of Unique Variations Used Diversity | -0.25 | 20 | 7 | 72 % | 84 % |
| 4 | Number of Top 50 Shared Factors Used Diversity | -0.25 | 15 | 12 | 88 % | 89 % |
| 5 | Number of Top 100 Shared Factors Used Diversity | -0.25 | 37 | 28 | 89 % | 91 % |
| 6 | Search Result Domain is .com, .net, or .org Other | -0.24 | 1 | 1 | 7 % | 80 % |
| 7 | Variations in H1-H6 Tags Relevancy | -0.24 | 20 | 7 | 54 % | 82 % |
| 8 | Variations in H1, H2, and H3 Tags Relevancy | -0.24 | 14 | 6 | 53 % | 82 % |
| 9 | Number of Top 200 Shared Factors Used Diversity | -0.24 | 50 | 37 | 89 % | 91 % |
| 10 | Variations in Body Tags Relevancy | -0.23 | 672 | 237 | 71 % | 91 % |
| 11 | Variations in H1 and H2 Tags Relevancy | -0.23 | 9 | 3 | 51 % | 84 % |
| 12 | Variations in HTML Tags Relevancy | -0.23 | 672 | 232 | 69 % | 93 % |
| 13 | Search Result Domain is .com Other | -0.23 | 1 | 1 | 7 % | 78 % |
| 14 | Variations in Div Tags Relevancy | -0.22 | 343 | 114 | 64 % | 91 % |
| 15 | Variations in P Tags Relevancy | -0.22 | 200 | 26 | 54 % | 91 % |
| 16 | LSI Words in Title Tag Relevancy | -0.21 | 14 | 6 | 65 % | 89 % |
| 17 | LSI Words in H1 Tags Relevancy | -0.21 | 11 | 5 | 52 % | 93 % |
| 18 | Term Frequency Relevancy | -0.21 | 4 | 3 | 69 % | 91 % |
| 19 | LSI Words in Sentences Relevancy | -0.21 | 2317 | 717 | 61 % | 98 % |
| 20 | Variations in A Tags Relevancy | -0.21 | 74 | 22 | 50 % | 87 % |
| 21 | Number of Factors Used Diversity | -0.21 | 257 | 172 | 89 % | 89 % |
| 22 | Variations in Search Result Document File Name Relevancy | -0.21 | 3 | 1 | 39 % | 80 % |
| 23 | Variations in LI Tags Relevancy | -0.21 | 58 | 17 | 54 % | 89 % |
| 24 | Variations in OpenGraph Description Relevancy | -0.21 | 3 | 1 | 41 % | 71 % |
| 25 | Number of DoFollow Links Authority | -0.21 | 273 | 133 | 71 % | 82 % |
| 26 | Variations in H1 Tags Relevancy | -0.21 | 3 | 1 | 45 % | 89 % |
| 27 | Leading Variations in H1-H6 Tags Relevancy | -0.21 | 5 | 2 | 33 % | 80 % |
| 28 | Number of HTTPS Links Authority | -0.21 | 286 | 135 | 70 % | 82 % |
| 29 | Variations in the Title Tag Relevancy | -0.21 | 3 | 2 | 57 % | 82 % |
| 30 | Variations in Sentences Relevancy | -0.2 | 172 | 31 | 61 % | 91 % |
| 31 | Word Count Size | -0.2 | 2776 | 1364 | 77 % | 87 % |
| 32 | Number of Links Authority | -0.2 | 286 | 137 | 71 % | 82 % |
| 33 | Number of HTML Tags Size | -0.2 | 2474 | 1016 | 77 % | 82 % |
| 34 | Number of Internal Links Authority | -0.2 | 275 | 124 | 69 % | 82 % |
| 35 | Unabridged Word Count Size | -0.2 | 3248 | 1719 | 77 % | 87 % |
| 36 | Variations in A Tag HREF Attributes Relevancy | -0.2 | 157 | 45 | 48 % | 87 % |
| 37 | Variation Count in Top 30KB Relevancy | -0.2 | 81 | 19 | 57 % | 84 % |
| 38 | Variations in Span Tags Relevancy | -0.2 | 23 | 8 | 41 % | 89 % |
| 39 | Leading Variations in H1, H2, and H3 Tags Relevancy | -0.2 | 4 | 1 | 32 % | 82 % |
| 40 | Variations in Meta Description Relevancy | -0.2 | 4 | 2 | 48 % | 82 % |
| 41 | Number of Heading Tags Size | -0.2 | 49 | 19 | 63 % | 84 % |
| 42 | Variations in OpenGraph Title Relevancy | -0.2 | 2 | 1 | 47 % | 71 % |
| 43 | Variations in ALT Attributes Relevancy | -0.2 | 53 | 9 | 38 % | 87 % |
| 44 | Number of CSS Includes Technology | -0.19 | 17 | 9 | 64 % | 71 % |
| 45 | Variations in the Canonical URL Relevancy | -0.19 | 3 | 2 | 43 % | 84 % |
| 46 | Clean Text Kilobytes Size | -0.19 | 25 | 12 | 62 % | 89 % |
| 47 | Variations in Distinct A Tag HREF Attributes Relevancy | -0.19 | 116 | 28 | 47 % | 89 % |
| 48 | Number of Images with ALT Text Size | -0.19 | 73 | 21 | 58 % | 82 % |
| 49 | Number of P Tags Size | -0.19 | 93 | 38 | 61 % | 89 % |
| 50 | Variations in Main Tags Relevancy | -0.19 | 156 | 52 | 30 % | 84 % |
| 51 | LSI Words in Meta Description Tag Relevancy | -0.18 | 23 | 11 | 54 % | 96 % |
| 52 | Number of Distinct Entities Used Diversity | -0.18 | 51 | 25 | 61 % | 91 % |
| 53 | Variations in Search Result Display URL Relevancy | -0.18 | 3 | 2 | 70 % | 73 % |
| 54 | Variations in Search Result Link Text Relevancy | -0.18 | 3 | 2 | 70 % | 73 % |
| 55 | Number of H2 Tags Size | -0.18 | 11 | 6 | 56 % | 87 % |
| 56 | Variations in Absolute URLs Relevancy | -0.18 | 208 | 62 | 48 % | 91 % |
| 57 | Number of Facebook Pages Authority | -0.18 | 4 | 2 | 51 % | 80 % |
| 58 | TF/IDF Relevancy | -0.18 | 1 | 1 | 46 % | 91 % |
| 59 | Number of Forms Technology | -0.18 | 5 | 2 | 43 % | 69 % |
| 60 | Number of Includes Technology | -0.18 | 46 | 26 | 70 % | 71 % |
| 61 | Entities in Title Tag Relevancy | -0.18 | 7 | 3 | 54 % | 89 % |
| 62 | Variations in Script Tags Relevancy | -0.18 | 477 | 73 | 54 % | 87 % |
| 63 | Average Words Per Sentence Size | -0.18 | 68 | 30 | 68 % | 82 % |
| 64 | Variations in Nav Tags Relevancy | -0.18 | 128 | 25 | 36 % | 93 % |
| 65 | Variations in Search Result URL Path Relevancy | -0.18 | 3 | 1 | 41 % | 82 % |
| 66 | Leading Variations in Title Tag Relevancy | -0.18 | 1 | 1 | 23 % | 76 % |
| 67 | Number of Referring Domains Authority | -0.18 | 577 | 118 | 41 % | 73 % |
| 68 | Exact Matches in the HTML Tag Relevancy | -0.17 | 132 | 14 | 30 % | 89 % |
| 69 | Variations in H2 Tags Relevancy | -0.17 | 8 | 3 | 36 % | 87 % |
| 70 | Variations in Meta Twitter Content Relevancy | -0.17 | 2 | 1 | 22 % | 58 % |
| 71 | Entities in H1 Tags | -0.17 | 5 | 2 | 42 % | 91 % |
| 72 | Number of Do Follow Backlinks Authority | -0.17 | 1945374 | 106297 | 38 % | 76 % |
| 73 | Search Result Domain Length Size | -0.17 | 22 | 17 | 77 % | 80 % |
| 74 | Search Result Host Length Size | -0.17 | 22 | 17 | 77 % | 80 % |
| 75 | Title Length Size | -0.17 | 80 | 52 | 73 % | 67 % |
| 76 | Has Meta Twitter Card Authority | -0.17 | 1 | 1 | 44 % | 56 % |
| 77 | Number of Images Size | -0.17 | 96 | 29 | 63 % | 84 % |
| 78 | Number of H3 Tags Size | -0.17 | 13 | 7 | 48 % | 78 % |
| 79 | Number of HTML Comments Size | -0.17 | 166 | 49 | 59 % | 76 % |
| 80 | Variation Density in Top 30KB Relevancy | -0.17 | 5 | 2 | 54 % | 87 % |
| 81 | Variations in First 100 Words Relevancy | -0.17 | 17 | 6 | 56 % | 84 % |
| 82 | Number of H1 Tags Size | -0.17 | 2 | 1 | 59 % | 89 % |
| 83 | Percentage of DoFollow Internal Links Authority | -0.17 | 85 | 70 | 70 % | 84 % |
| 84 | Exact Matches in Sentences Relevancy | -0.17 | 32 | 4 | 21 % | 84 % |
| 85 | Number of External Links Authority | -0.17 | 28 | 14 | 70 % | 87 % |
| 86 | Number of Backlinks Authority | -0.17 | 1945422 | 109265 | 41 % | 80 % |
| 87 | Flesch Kincaid Reading Grade Level Other | -0.17 | 6 | 1 | 84 % | 82 % |
| 88 | Has US Phone Number Trust | -0.17 | 1 | 1 | 35 % | 76 % |
| 89 | Number of H4 Tags Size | -0.17 | 24 | 4 | 31 % | 78 % |
| 90 | Clean Keyword Density in the HTML Tag Relevancy | -0.17 | 7 | 3 | 59 % | 76 % |
| 91 | LSI Words in H2 Tags Relevancy | -0.17 | 60 | 17 | 48 % | 93 % |
| 92 | Has Canonical URL Authority | -0.16 | 1 | 1 | 63 % | 78 % |
| 93 | Exact Matches in H1-H6 Tags Relevancy | -0.16 | 6 | 1 | 19 % | 84 % |
| 94 | Number of DoFollow External Links Authority | -0.16 | 23 | 12 | 69 % | 84 % |
| 95 | Exact Matches in Title Tag Relevancy | -0.16 | 2 | 1 | 19 % | 84 % |
| 96 | Has Form Technology | -0.16 | 1 | 1 | 45 % | 73 % |
| 97 | Entities in Sentences Relevancy | -0.16 | 365 | 120 | 52 % | 100 % |
| 98 | Entities in the HTML Tag Relevancy | -0.16 | 375 | 123 | 56 % | 100 % |
| 99 | Number of Sentences Size | -0.16 | 527 | 140 | 75 % | 87 % |
| 100 | Percentage of DoFollow Links Authority | -0.16 | 98 | 80 | 70 % | 87 % |
| 101 | Has Contact Page Trust | -0.16 | 1 | 1 | 58 % | 64 % |
| 102 | Has OpenGraph Type Relevancy | -0.16 | 1 | 1 | 54 % | 60 % |
| 103 | Number of US Phone Numbers Trust | -0.16 | 89 | 9 | 37 % | 87 % |
| 104 | Variations in H3 Tags Relevancy | -0.16 | 9 | 3 | 26 % | 82 % |
| 105 | Search Result Number of Dirs in Path Other | -0.16 | 3 | 2 | 70 % | 76 % |
| 106 | LSI Words in H3 Tags Relevancy | -0.16 | 59 | 21 | 41 % | 84 % |
| 107 | Variations in Search Result URL Relevancy | -0.16 | 3 | 1 | 45 % | 78 % |
| 108 | Variations in TITLE Attributes Relevancy | -0.16 | 37 | 7 | 32 % | 80 % |
| 109 | Meta Description Length Size | -0.16 | 192 | 116 | 60 % | 73 % |
| 110 | Uses JSON-LD disambiguatingDescription | -0.16 | 1 | 1 | 3 % | 11 % |
| 111 | Uses Schema disambiguatingdescription Other | -0.16 | 1 | 1 | 3 % | 11 % |
| 112 | Title Word Count Size | -0.16 | 12 | 8 | 74 % | 69 % |
| 113 | Uses Schema product Other | -0.16 | 1 | 1 | 8 % | 47 % |
| 114 | Word Count in Meta Description Size | -0.16 | 32 | 19 | 60 % | 76 % |
| 115 | Variations in Section Tags Relevancy | -0.16 | 35 | 13 | 30 % | 87 % |
| 116 | Has Meta Description Relevancy | -0.16 | 1 | 1 | 59 % | 76 % |
| 117 | Has Schema Markup Relevancy | -0.16 | 1 | 1 | 56 % | 73 % |
| 118 | Leading Variations in H1 Tags Relevancy | -0.16 | 1 | 1 | 20 % | 82 % |
| 119 | Uses Schema availability Other | -0.16 | 1 | 1 | 4 % | 49 % |
| 120 | Has JSON-LD Schema Markup Relevancy | -0.16 | 1 | 1 | 46 % | 87 % |
| 121 | Number of JavaScript Includes Technology | -0.16 | 36 | 18 | 72 % | 71 % |
| 122 | Entities in H2 Tags | -0.16 | 21 | 5 | 39 % | 91 % |
| 123 | Variations in Figure Tags Relevancy | -0.15 | 44 | 7 | 11 % | 76 % |
| 124 | Variations in Meta Twitter Description Relevancy | -0.15 | 2 | 1 | 20 % | 71 % |
| 125 | Search Result Uses HTTPS Other | -0.15 | 1 | 1 | 75 % | 73 % |
| 126 | Entities in H3 Tags | -0.15 | 13 | 5 | 33 % | 93 % |
| 127 | Number of Questions In Headings Size | -0.15 | 4 | 2 | 28 % | 87 % |
| 128 | Has Privacy Policy Trust | -0.15 | 1 | 1 | 53 % | 71 % |
| 129 | Has Google Verify Technology | -0.15 | 1 | 1 | 17 % | 71 % |
| 130 | Entities in Meta Description Tag Relevancy | -0.15 | 8 | 3 | 44 % | 87 % |
| 131 | Variations in H4-H6 Tags Relevancy | -0.15 | 9 | 2 | 16 % | 76 % |
| 132 | Uses JSON-LD Product Other | -0.15 | 1 | 1 | 7 % | 47 % |
| 133 | Number of Absolute URLs Authority | -0.15 | 927 | 284 | 75 % | 80 % |
| 134 | Has Meta Robots Other | -0.15 | 1 | 1 | 21 % | 78 % |
| 135 | Exact Matches in Top 30KB Relevancy | -0.15 | 8 | 2 | 18 % | 78 % |
| 136 | Has Meta Viewport Technology | -0.15 | 1 | 1 | 75 % | 78 % |
| 137 | Number of No Follow Backlinks Authority | -0.15 | 328486 | 9891 | 31 % | 67 % |
| 138 | Variations in Button Tags Relevancy | -0.15 | 12 | 2 | 9 % | 78 % |
| 139 | Uses JSON-LD description Other | -0.15 | 1 | 1 | 39 % | 64 % |
| 140 | Number of Images without ALT Text Size | -0.14 | 23 | 8 | 49 % | 80 % |
| 141 | Variations in the last 100 words Relevancy | -0.14 | 9 | 3 | 38 % | 78 % |
| 142 | Is Pagination Page Other | -0.14 | 1 | 1 | 16 % | 67 % |
| 143 | Variations in Footer Tags Relevancy | -0.14 | 20 | 6 | 30 % | 84 % |
| 144 | Uses Schema pricetype Other | -0.14 | 1 | 1 | 1 % | 11 % |
| 145 | Uses Schema name Other | -0.14 | 1 | 1 | 54 % | 69 % |
| 146 | Number of Questions Size | -0.14 | 35 | 11 | 58 % | 73 % |
| 147 | Number of Facebook Accounts Authority | -0.14 | 2 | 1 | 25 % | 69 % |
| 148 | Uses Schema breadcrumblist Other | -0.14 | 1 | 1 | 37 % | 62 % |
| 149 | Page Size Kilobytes Size | -0.14 | 1000 | 378 | 75 % | 64 % |
| 150 | Variations Making Whole Span Tags Relevancy | -0.14 | 3 | 1 | 14 % | 82 % |
| 151 | Uses JSON-LD availability Other | -0.14 | 1 | 1 | 3 % | 51 % |
| 152 | Uses Schema servicetype Other | -0.14 | 1 | 1 | 4 % | 27 % |
| 153 | Uses Schema listitem Other | -0.14 | 1 | 1 | 38 % | 62 % |
| 154 | Exact Matches in H1 Tags Relevancy | -0.14 | 1 | 1 | 16 % | 84 % |
| 155 | Number of Nofollow Links Authority | -0.14 | 18 | 5 | 20 % | 82 % |
| 156 | Uses Microdata reviewBody Other | -0.14 | 1 | 1 | 1 % | 13 % |
| 157 | Has Meta Twitter Title Authority | -0.14 | 1 | 1 | 27 % | 56 % |
| 158 | Uses Schema jobtitle Other | -0.14 | 1 | 1 | 3 % | 31 % |
| 159 | Number Of JSON-LD Types Relevancy | -0.14 | 25 | 11 | 46 % | 89 % |
| 160 | Variations in Strong Tags Relevancy | -0.14 | 6 | 2 | 20 % | 78 % |
| 161 | LSI Words in H4 Tags Relevancy | -0.14 | 32 | 7 | 25 % | 89 % |
| 162 | Uses Schema keywords Other | -0.14 | 1 | 1 | 9 % | 36 % |
| 163 | Has Meta Charset Technology | -0.14 | 1 | 1 | 64 % | 84 % |
| 164 | Has OpenGraph Image Relevancy | -0.14 | 1 | 1 | 51 % | 64 % |
| 165 | Inline CSS Kilobytes Size | -0.14 | 114 | 58 | 60 % | 82 % |
| 166 | Exact Matches in Meta Description Relevancy | -0.14 | 2 | 1 | 11 % | 84 % |
| 167 | Variations in H4 Tags Relevancy | -0.14 | 7 | 1 | 12 % | 76 % |
| 168 | Has FavIcon Technology | -0.14 | 1 | 1 | 65 % | 64 % |
| 169 | Uses Schema description Other | -0.14 | 1 | 1 | 45 % | 58 % |
| 170 | Uses JSON-LD name Other | -0.14 | 1 | 1 | 46 % | 82 % |
| 171 | Number of Instagram Pages Authority | -0.14 | 8 | 3 | 44 % | 62 % |
| 172 | Uses Microdata openingHours Other | -0.14 | 1 | 1 | 1 % | 11 % |
| 173 | Percentage of NoFollow Internal Links Authority | -0.14 | 5 | 2 | 11 % | 76 % |
| 174 | Has Meta Twitter Description Authority | -0.14 | 1 | 1 | 27 % | 58 % |
| 175 | Uses Schema item Other | -0.14 | 1 | 1 | 29 % | 53 % |
| 176 | Uses Schema service Other | -0.14 | 1 | 1 | 6 % | 31 % |
| 177 | Number of YouTube Accounts Technology | -0.13 | 2 | 1 | 9 % | 71 % |
| 178 | Exact Matches in A Tags Relevancy | -0.13 | 13 | 2 | 16 % | 80 % |
| 179 | Leading Variations in H2 Tags Relevancy | -0.13 | 3 | 1 | 15 % | 82 % |
| 180 | Percentage of NoFollow Links Authority | -0.13 | 6 | 2 | 18 % | 78 % |
| 181 | Number of Videos Technology | -0.13 | 2 | 1 | 11 % | 47 % |
| 182 | Uses Schema offer Other | -0.13 | 1 | 1 | 6 % | 67 % |
| 183 | Uses Schema price Other | -0.13 | 1 | 1 | 4 % | 49 % |
| 184 | Number of Questions In H3 Tags Size | -0.13 | 2 | 1 | 12 % | 82 % |
| 185 | Has Entities in H3 Tags Relevancy | -0.13 | 1 | 1 | 33 % | 84 % |
| 186 | Has Meta Twitter Site Authority | -0.13 | 1 | 1 | 21 % | 49 % |
| 187 | Uses Schema localbusiness Other | -0.13 | 1 | 1 | 8 % | 51 % |
| 188 | Number of Email Addresses Trust | -0.13 | 58 | 5 | 35 % | 78 % |
| 189 | Variations in Article Tags Relevancy | -0.13 | 32 | 9 | 21 % | 76 % |
| 190 | Variations Making Whole LI Tags Relevancy | -0.13 | 2 | 1 | 17 % | 76 % |
| 191 | Has Entities in H4 Tags Relevancy | -0.13 | 1 | 1 | 18 % | 80 % |
| 192 | Uses Schema pricerange Other | -0.13 | 1 | 1 | 9 % | 38 % |
| 193 | Entities in H4 Tags | -0.13 | 11 | 2 | 17 % | 84 % |
| 194 | Uses JSON-LD FAQPage Other | -0.13 | 1 | 1 | 7 % | 47 % |
| 195 | Number of Prices Size | -0.13 | 364 | 86 | 64 % | 82 % |
| 196 | Uses JSON-LD City Other | -0.13 | 1 | 1 | 6 % | 11 % |
| 197 | Uses Schema city Other | -0.13 | 1 | 1 | 6 % | 11 % |
| 198 | Uses Schema faqpage Other | -0.13 | 1 | 1 | 9 % | 44 % |
| 199 | Headings Has Question Other | -0.13 | 1 | 1 | 29 % | 91 % |
| 200 | Percentage of DoFollow External Links Authority | -0.13 | 20 | 12 | 68 % | 76 % |