[ Ahrefs, SEMRush, DomDetailer, SpyFu APIs ]
[ Wappalyzer API ]
SEO Factor ClassSize ( 54484 )Relevancy ( 54123 ) Other ( 33788 ) Local ( 9026 ) 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 ( 33734 ) Local ( 9027 ) 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 | Search Result Domain is .com, .net, or .org Other | -0.26 | 1 | 1 | 8 % | 75 % |
| 2 | Number of Unique LSI Words Used Diversity | -0.25 | 441 | 251 | 80 % | 78 % |
| 3 | Load Time Milliseconds Performance | -0.24 | 5013 | 1889 | 83 % | 94 % |
| 4 | Search Result Domain is .com Other | -0.23 | 1 | 1 | 7 % | 78 % |
| 5 | Number of No Follow Backlinks Authority | -0.23 | 5418 | 1089 | 36 % | 81 % |
| 6 | Number of Referring Domains Authority | -0.23 | 590 | 85 | 45 % | 94 % |
| 7 | Number of Backlinks Authority | -0.22 | 28156 | 4959 | 46 % | 94 % |
| 8 | Number of P Tags Size | -0.22 | 70 | 39 | 67 % | 88 % |
| 9 | Clean Text Kilobytes Size | -0.22 | 20 | 12 | 67 % | 84 % |
| 10 | Number of Top 200 Shared Factors Used Diversity | -0.22 | 48 | 35 | 95 % | 84 % |
| 11 | Number of H2 Tags Size | -0.21 | 12 | 7 | 63 % | 94 % |
| 12 | Number of Heading Tags Size | -0.21 | 36 | 23 | 68 % | 81 % |
| 13 | Unabridged Word Count Size | -0.21 | 2698 | 1839 | 83 % | 84 % |
| 14 | Number of Do Follow Backlinks Authority | -0.21 | 27203 | 3467 | 41 % | 91 % |
| 15 | Number of Images Size | -0.21 | 82 | 33 | 70 % | 91 % |
| 16 | Word Count Size | -0.21 | 2236 | 1435 | 83 % | 84 % |
| 17 | Number of Top 100 Shared Factors Used Diversity | -0.21 | 36 | 26 | 95 % | 88 % |
| 18 | Average Words Per Sentence Size | -0.2 | 168 | 35 | 74 % | 88 % |
| 19 | Number of Unique Variations Used Diversity | -0.2 | 12 | 6 | 72 % | 75 % |
| 20 | Variations in Body Tags Relevancy | -0.2 | 1122 | 310 | 69 % | 72 % |
| 21 | Number of Images without ALT Text Size | -0.2 | 44 | 12 | 53 % | 88 % |
| 22 | Number of H3 Tags Size | -0.19 | 17 | 9 | 53 % | 84 % |
| 23 | Number of Forms Technology | -0.19 | 13 | 3 | 40 % | 81 % |
| 24 | Number of Top 50 Shared Factors Used Diversity | -0.19 | 15 | 11 | 95 % | 88 % |
| 25 | Number of HTML Tags Size | -0.19 | 2125 | 1066 | 83 % | 88 % |
| 26 | Number of H1 Tags Size | -0.19 | 3 | 1 | 65 % | 91 % |
| 27 | Variations in Div Tags Relevancy | -0.19 | 434 | 119 | 61 % | 78 % |
| 28 | Variations in Main Tags Relevancy | -0.19 | 218 | 65 | 34 % | 72 % |
| 29 | Number of Images with ALT Text Size | -0.19 | 61 | 22 | 65 % | 91 % |
| 30 | Number of Includes Technology | -0.19 | 52 | 27 | 76 % | 81 % |
| 31 | Number of US Phone Numbers Trust | -0.18 | 23 | 7 | 29 % | 75 % |
| 32 | Has Form Technology | -0.18 | 1 | 1 | 39 % | 72 % |
| 33 | Number of External Links Authority | -0.18 | 29 | 14 | 70 % | 88 % |
| 34 | Variations in P Tags Relevancy | -0.18 | 65 | 28 | 52 % | 81 % |
| 35 | Variations in HTML Tags Relevancy | -0.18 | 1122 | 289 | 64 % | 78 % |
| 36 | Variations in H1, H2, and H3 Tags Relevancy | -0.18 | 19 | 8 | 53 % | 78 % |
| 37 | LSI Words in H2 Tags Relevancy | -0.18 | 55 | 22 | 49 % | 100 % |
| 38 | Number of DoFollow External Links Authority | -0.18 | 28 | 12 | 69 % | 88 % |
| 39 | Term Frequency Relevancy | -0.18 | 4 | 3 | 64 % | 72 % |
| 40 | Variations in H1 and H2 Tags Relevancy | -0.18 | 7 | 4 | 50 % | 78 % |
| 41 | LSI Words in Sentences Relevancy | -0.18 | 1587 | 679 | 58 % | 94 % |
| 42 | Uses JSON-LD logo Other | -0.18 | 1 | 1 | 9 % | 53 % |
| 43 | Number of Factors Used Diversity | -0.18 | 222 | 165 | 95 % | 84 % |
| 44 | Variations in LI Tags Relevancy | -0.17 | 55 | 19 | 51 % | 78 % |
| 45 | Uses Schema logo Other | -0.17 | 1 | 1 | 12 % | 56 % |
| 46 | Number of CSS Includes Technology | -0.17 | 13 | 9 | 69 % | 75 % |
| 47 | Number of HTTPS Links Authority | -0.17 | 231 | 120 | 75 % | 94 % |
| 48 | Number of Social Accounts Authority | -0.17 | 3 | 2 | 39 % | 88 % |
| 49 | Variations in H1-H6 Tags Relevancy | -0.17 | 20 | 9 | 54 % | 84 % |
| 50 | Number of DoFollow Links Authority | -0.17 | 231 | 118 | 76 % | 94 % |
| 51 | Number of Internal Links Authority | -0.17 | 224 | 108 | 74 % | 94 % |
| 52 | Number of Links Authority | -0.17 | 231 | 120 | 76 % | 94 % |
| 53 | Has Meta Charset Technology | -0.17 | 1 | 1 | 68 % | 84 % |
| 54 | Number Of JSON-LD Types Relevancy | -0.17 | 26 | 11 | 49 % | 88 % |
| 55 | Variations in ALT Attributes Relevancy | -0.17 | 37 | 8 | 38 % | 78 % |
| 56 | Leading Variations in H1 Tags Relevancy | -0.17 | 1 | 1 | 28 % | 72 % |
| 57 | Number of Facebook Pages Authority | -0.16 | 3 | 2 | 53 % | 88 % |
| 58 | Has JSON-LD Schema Markup Relevancy | -0.16 | 1 | 1 | 48 % | 88 % |
| 59 | LSI Words in H3 Tags Relevancy | -0.16 | 79 | 28 | 40 % | 91 % |
| 60 | Variations in H1 Tags Relevancy | -0.16 | 2 | 1 | 45 % | 75 % |
| 61 | Variations in Search Result Document File Name Relevancy | -0.16 | 3 | 1 | 36 % | 78 % |
| 62 | Number of Questions In Headings Size | -0.16 | 6 | 3 | 43 % | 84 % |
| 63 | Uses JSON-LD operatingSystem Other | -0.16 | 1 | 1 | 24 % | 13 % |
| 64 | Uses Schema operatingsystem Other | -0.16 | 1 | 1 | 24 % | 13 % |
| 65 | Number of Distinct Entities Used Diversity | -0.16 | 47 | 22 | 67 % | 88 % |
| 66 | Variations making whole A Tags Relevancy | -0.16 | 2 | 1 | 25 % | 69 % |
| 67 | Variations in Nav Tags Relevancy | -0.16 | 77 | 19 | 36 % | 78 % |
| 68 | Is Home Page Other | -0.16 | 1 | 1 | 16 % | 50 % |
| 69 | Number of HREF Lang Tags Size | -0.16 | 16 | 4 | 17 % | 78 % |
| 70 | Is Article Page Other | -0.16 | 1 | 1 | 38 % | 63 % |
| 71 | Leading Variations in H1, H2, and H3 Tags Relevancy | -0.16 | 9 | 2 | 40 % | 72 % |
| 72 | Entities in H2 Tags | -0.16 | 17 | 6 | 43 % | 97 % |
| 73 | Has HREF Lang Technology | -0.16 | 1 | 1 | 17 % | 78 % |
| 74 | Variations in Meta Description Relevancy | -0.16 | 3 | 2 | 48 % | 78 % |
| 75 | Number of Instagram Pages Authority | -0.16 | 5 | 2 | 43 % | 84 % |
| 76 | Entities in the HTML Tag Relevancy | -0.15 | 293 | 117 | 60 % | 91 % |
| 77 | Variation Count in Top 30KB Relevancy | -0.15 | 64 | 19 | 56 % | 91 % |
| 78 | Variations in Sentences Relevancy | -0.15 | 325 | 53 | 60 % | 72 % |
| 79 | Number of Sentences Size | -0.15 | 621 | 183 | 80 % | 75 % |
| 80 | Entities in Sentences Relevancy | -0.15 | 292 | 111 | 56 % | 91 % |
| 81 | Search Result Summary Length Size | -0.15 | 157 | 151 | 93 % | 78 % |
| 82 | Number of HTML Comments Size | -0.15 | 198 | 57 | 64 % | 84 % |
| 83 | Number of JavaScript Includes Technology | -0.15 | 42 | 19 | 77 % | 78 % |
| 84 | Number of Facebook Accounts Authority | -0.15 | 2 | 1 | 24 % | 88 % |
| 85 | Exact Matches in the HTML Tag Relevancy | -0.15 | 60 | 12 | 34 % | 84 % |
| 86 | Uses Schema applicationcategory Other | -0.15 | 1 | 1 | 26 % | 13 % |
| 87 | Uses JSON-LD Organization Other | -0.15 | 1 | 1 | 31 % | 81 % |
| 88 | Has US Phone Number Trust | -0.15 | 1 | 1 | 32 % | 72 % |
| 89 | Variations in H2 Tags Relevancy | -0.15 | 6 | 3 | 41 % | 81 % |
| 90 | Leading Variations in H1-H6 Tags Relevancy | -0.15 | 9 | 2 | 41 % | 75 % |
| 91 | Variations in Search Result URL Path Relevancy | -0.15 | 3 | 1 | 35 % | 72 % |
| 92 | Percentage of DoFollow Links Authority | -0.15 | 95 | 80 | 75 % | 81 % |
| 93 | Number of Absolute URLs Authority | -0.15 | 461 | 271 | 79 % | 66 % |
| 94 | Number of Questions Size | -0.15 | 58 | 20 | 68 % | 72 % |
| 95 | Entities in H3 Tags | -0.15 | 53 | 9 | 37 % | 88 % |
| 96 | Uses JSON-LD name Other | -0.15 | 1 | 1 | 46 % | 84 % |
| 97 | Variations in Absolute URLs Relevancy | -0.14 | 225 | 57 | 49 % | 81 % |
| 98 | Variations in H3 Tags Relevancy | -0.14 | 12 | 4 | 34 % | 75 % |
| 99 | Percentage of DoFollow Internal Links Authority | -0.14 | 83 | 69 | 74 % | 72 % |
| 100 | Uses JSON-LD item Other | -0.14 | 1 | 1 | 20 % | 66 % |
| 101 | Uses Schema organization Other | -0.14 | 1 | 1 | 32 % | 84 % |
| 102 | Variations in A Tag HREF Attributes Relevancy | -0.14 | 180 | 42 | 45 % | 81 % |
| 103 | Uses JSON-LD BreadcrumbList Other | -0.14 | 1 | 1 | 24 % | 69 % |
| 104 | Variations in Section Tags Relevancy | -0.14 | 47 | 13 | 28 % | 78 % |
| 105 | Variations in Span Tags Relevancy | -0.14 | 24 | 9 | 42 % | 91 % |
| 106 | Uses JSON-LD ListItem Other | -0.14 | 1 | 1 | 24 % | 72 % |
| 107 | Uses Schema collectionpage Other | -0.14 | 1 | 1 | 6 % | 28 % |
| 108 | Entities in Title Tag Relevancy | -0.14 | 5 | 2 | 54 % | 91 % |
| 109 | Number of Prices Size | -0.14 | 349 | 125 | 66 % | 66 % |
| 110 | Variations in Button Tags Relevancy | -0.14 | 6 | 2 | 13 % | 78 % |
| 111 | Variations in Distinct A Tag HREF Attributes Relevancy | -0.14 | 107 | 26 | 45 % | 81 % |
| 112 | Uses Schema availablelanguage Other | -0.14 | 1 | 1 | 2 % | 16 % |
| 113 | Has Entities in H1 Tags Relevancy | -0.14 | 1 | 1 | 44 % | 78 % |
| 114 | Uses JSON-LD availableLanguage Other | -0.14 | 1 | 1 | 2 % | 19 % |
| 115 | Is Category Page Other | -0.14 | 1 | 1 | 16 % | 63 % |
| 116 | Flesch Kincaid Reading Grade Level Other | -0.14 | 4 | 1 | 88 % | 81 % |
| 117 | Exact Matches in H1-H6 Tags Relevancy | -0.14 | 7 | 2 | 30 % | 78 % |
| 118 | Uses JSON-LD NewsMediaOrganization Other | -0.14 | 1 | 1 | 2 % | 13 % |
| 119 | Uses Microdata description Other | -0.14 | 1 | 1 | 7 % | 28 % |
| 120 | Headings Has Question Other | -0.14 | 1 | 1 | 42 % | 78 % |
| 121 | Variations in A Tags Relevancy | -0.14 | 68 | 21 | 51 % | 91 % |
| 122 | Has Entities in H2 Tags Relevancy | -0.14 | 1 | 1 | 44 % | 91 % |
| 123 | LSI Words in H1 Tags Relevancy | -0.14 | 7 | 4 | 47 % | 88 % |
| 124 | Uses Schema webpage Other | -0.14 | 1 | 1 | 28 % | 56 % |
| 125 | Variations in Search Result Display URL Relevancy | -0.14 | 2 | 2 | 73 % | 78 % |
| 126 | Variations in Search Result Link Text Relevancy | -0.14 | 2 | 2 | 73 % | 78 % |
| 127 | Percentage of DoFollow External Links Authority | -0.14 | 18 | 11 | 67 % | 88 % |
| 128 | Search Result URL Length Size | -0.14 | 85 | 67 | 95 % | 50 % |
| 129 | Number of NoFollow External Links Authority | -0.14 | 4 | 2 | 14 % | 75 % |
| 130 | Uses JSON-LD isPartOf Other | -0.14 | 1 | 1 | 2 % | 13 % |
| 131 | Uses Schema ispartof Other | -0.14 | 1 | 1 | 2 % | 13 % |
| 132 | Uses JSON-LD url Other | -0.14 | 1 | 1 | 42 % | 78 % |
| 133 | Variations in Script Tags Relevancy | -0.14 | 797 | 125 | 52 % | 81 % |
| 134 | Number of Questions In H2 Tags Size | -0.14 | 3 | 1 | 26 % | 88 % |
| 135 | Uses JSON-LD SoftwareApplication Other | -0.14 | 1 | 1 | 20 % | 13 % |
| 136 | Uses Schema softwareapplication Other | -0.14 | 1 | 1 | 20 % | 13 % |
| 137 | Word Count in Meta Description Size | -0.13 | 38 | 20 | 66 % | 66 % |
| 138 | Uses JSON-LD CollectionPage Other | -0.13 | 1 | 1 | 5 % | 31 % |
| 139 | Number of LinkedIn Pages Authority | -0.13 | 2 | 1 | 28 % | 84 % |
| 140 | Uses Microdata LocalBusiness Other | -0.13 | 1 | 1 | 2 % | 22 % |
| 141 | Variations Making Whole LI Tags Relevancy | -0.13 | 2 | 1 | 21 % | 84 % |
| 142 | Variations in OpenGraph Description Relevancy | -0.13 | 2 | 1 | 44 % | 72 % |
| 143 | Exact Matches in Top 30KB Relevancy | -0.13 | 6 | 2 | 24 % | 84 % |
| 144 | Number Of Claimed Brands Other | -0.13 | 4 | 2 | 23 % | 78 % |
| 145 | Uses Schema postaladdress Other | -0.13 | 1 | 1 | 15 % | 50 % |
| 146 | Uses JSON-LD lastReviewed Other | -0.13 | 1 | 1 | 3 % | 16 % |
| 147 | Uses Microdata about Other | -0.13 | 1 | 1 | 3 % | 13 % |
| 148 | Uses Schema addresslocality Other | -0.13 | 1 | 1 | 15 % | 50 % |
| 149 | Uses Schema lastreviewed Other | -0.13 | 1 | 1 | 3 % | 16 % |
| 150 | Has Canonical URL Authority | -0.13 | 1 | 1 | 66 % | 69 % |
| 151 | Uses JSON-LD dateCreated Other | -0.13 | 1 | 1 | 1 % | 25 % |
| 152 | Variations Making Whole Span Tags Relevancy | -0.13 | 2 | 1 | 17 % | 91 % |
| 153 | Uses Microdata logo Other | -0.13 | 1 | 1 | 3 % | 50 % |
| 154 | Meta Description Length Size | -0.13 | 209 | 121 | 66 % | 63 % |
| 155 | Uses JSON-LD text Other | -0.13 | 1 | 1 | 12 % | 66 % |
| 156 | Number of Social Pages Authority | -0.13 | 10 | 5 | 61 % | 88 % |
| 157 | Uses JSON-LD Product Other | -0.13 | 1 | 1 | 5 % | 41 % |
| 158 | Uses Microdata potentialAction Other | -0.13 | 1 | 1 | 1 % | 13 % |
| 159 | Uses Microdata SearchAction Other | -0.13 | 1 | 1 | 1 % | 13 % |
| 160 | Inline CSS Kilobytes Size | -0.13 | 174 | 71 | 63 % | 84 % |
| 161 | Uses Schema datecreated Other | -0.13 | 1 | 1 | 1 % | 25 % |
| 162 | Uses JSON-LD ItemList Other | -0.13 | 1 | 1 | 5 % | 34 % |
| 163 | Variations making whole H1 Tags Relevancy | -0.13 | 1 | 1 | 11 % | 75 % |
| 164 | Uses Schema image Other | -0.13 | 1 | 1 | 19 % | 72 % |
| 165 | Variations making whole H1-H6 Tags Relevancy | -0.13 | 1 | 1 | 17 % | 78 % |
| 166 | Is Pagination Page Other | -0.13 | 1 | 1 | 21 % | 81 % |
| 167 | Uses JSON-LD applicationCategory Other | -0.13 | 1 | 1 | 21 % | 13 % |
| 168 | Variations in First 100 Words Relevancy | -0.13 | 13 | 5 | 54 % | 75 % |
| 169 | Variations making whole H1, H2, and H3 Tags Relevancy | -0.13 | 1 | 1 | 16 % | 81 % |
| 170 | Uses Schema telephone Other | -0.13 | 1 | 1 | 17 % | 50 % |
| 171 | Entities in H1 Tags | -0.13 | 4 | 2 | 44 % | 81 % |
| 172 | Exact Matches in Title Tag Relevancy | -0.13 | 1 | 1 | 27 % | 81 % |
| 173 | Search Result Number of Dirs in Path Other | -0.13 | 3 | 2 | 72 % | 72 % |
| 174 | Uses JSON-LD contactOption Other | -0.13 | 1 | 1 | 3 % | 25 % |
| 175 | Percentage of NoFollow External Links Authority | -0.13 | 3 | 1 | 12 % | 69 % |
| 176 | Uses JSON-LD Question Other | -0.13 | 1 | 1 | 10 % | 72 % |
| 177 | Uses JSON-LD sameAs Other | -0.13 | 1 | 1 | 2 % | 38 % |
| 178 | Uses Schema localbusiness Other | -0.13 | 1 | 1 | 14 % | 31 % |
| 179 | Uses JSON-LD description Other | -0.13 | 1 | 1 | 36 % | 75 % |
| 180 | LSI Words in Meta Description Tag Relevancy | -0.13 | 19 | 9 | 51 % | 91 % |
| 181 | Uses Schema item Other | -0.13 | 1 | 1 | 28 % | 31 % |
| 182 | Has Entities in H3 Tags Relevancy | -0.12 | 1 | 1 | 37 % | 81 % |
| 183 | Has Meta Viewport Technology | -0.12 | 1 | 1 | 78 % | 69 % |
| 184 | Variations in ID Attributes Relevancy | -0.12 | 7 | 2 | 12 % | 78 % |
| 185 | Uses JSON-LD FAQPage Other | -0.12 | 1 | 1 | 10 % | 72 % |
| 186 | Uses Schema streetaddress Other | -0.12 | 1 | 1 | 12 % | 50 % |
| 187 | Number of Questions In H3 Tags Size | -0.12 | 4 | 2 | 21 % | 81 % |
| 188 | Number of H4 Tags Size | -0.12 | 9 | 4 | 31 % | 75 % |
| 189 | Uses JSON-LD publishingPrinciples Other | -0.12 | 1 | 1 | 4 % | 25 % |
| 190 | Exact Matches in H2 Tags Relevancy | -0.12 | 4 | 1 | 18 % | 78 % |
| 191 | Variations in Search Result URL Relevancy | -0.12 | 3 | 1 | 44 % | 69 % |
| 192 | Uses Schema itemlist Other | -0.12 | 1 | 1 | 4 % | 44 % |
| 193 | Uses JSON-LD license Other | -0.12 | 1 | 1 | 2 % | 13 % |
| 194 | Uses Microdata NewsArticle Other | -0.12 | 1 | 1 | 1 % | 13 % |
| 195 | Uses Schema license Other | -0.12 | 1 | 1 | 2 % | 13 % |
| 196 | Uses Schema newsmediaorganization Other | -0.12 | 1 | 1 | 2 % | 13 % |
| 197 | Uses Schema entrypoint Other | -0.12 | 1 | 1 | 13 % | 56 % |
| 198 | Uses Schema urltemplate Other | -0.12 | 1 | 1 | 13 % | 56 % |
| 199 | Title Tag Has Entities Relevancy | -0.12 | 1 | 1 | 51 % | 78 % |
| 200 | Has Contact Page Trust | -0.12 | 1 | 1 | 52 % | 69 % |