[ Ahrefs, SEMRush, DomDetailer, SpyFu APIs ]
[ Wappalyzer API ]
SEO Factor ClassSize ( 54484 )Relevancy ( 54123 ) Other ( 33635 ) 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 ( 33581 ) 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 | Has Entities in H1 Tags Relevancy | -0.26 | 1 | 1 | 54 % | 86 % |
| 2 | Entities in H2 Tags | -0.26 | 46 | 9 | 48 % | 90 % |
| 3 | Entities in Sentences Relevancy | -0.26 | 316 | 147 | 67 % | 90 % |
| 4 | Number of Unique LSI Words Used Diversity | -0.25 | 576 | 347 | 83 % | 67 % |
| 5 | Entities in H1 Tags | -0.25 | 4 | 2 | 46 % | 86 % |
| 6 | Variations in H1, H2, and H3 Tags Relevancy | -0.25 | 378 | 60 | 59 % | 90 % |
| 7 | Entities in the HTML Tag Relevancy | -0.25 | 317 | 149 | 74 % | 90 % |
| 8 | Entities in H3 Tags | -0.25 | 15 | 8 | 39 % | 90 % |
| 9 | Variations in H1 and H2 Tags Relevancy | -0.24 | 287 | 34 | 57 % | 90 % |
| 10 | Has Entities in H2 Tags Relevancy | -0.24 | 1 | 1 | 50 % | 86 % |
| 11 | Variations in Search Result Document File Name Relevancy | -0.24 | 8 | 3 | 52 % | 81 % |
| 12 | Variations in H1-H6 Tags Relevancy | -0.24 | 409 | 69 | 59 % | 90 % |
| 13 | Number of Top 100 Shared Factors Used Diversity | -0.24 | 35 | 29 | 96 % | 95 % |
| 14 | Uses Schema sku Other | -0.23 | 1 | 1 | 14 % | 29 % |
| 15 | Number of Top 50 Shared Factors Used Diversity | -0.23 | 14 | 12 | 94 % | 95 % |
| 16 | Number of P Tags Size | -0.23 | 75 | 36 | 63 % | 86 % |
| 17 | Average Words Per Sentence Size | -0.23 | 55 | 27 | 66 % | 81 % |
| 18 | Number of Top 200 Shared Factors Used Diversity | -0.23 | 46 | 38 | 96 % | 95 % |
| 19 | Number of Heading Tags Size | -0.22 | 37 | 19 | 65 % | 90 % |
| 20 | Leading Variations in H1, H2, and H3 Tags Relevancy | -0.22 | 32 | 6 | 48 % | 90 % |
| 21 | Variations in H2 Tags Relevancy | -0.22 | 280 | 31 | 46 % | 86 % |
| 22 | Number of Images with ALT Text Size | -0.22 | 304 | 33 | 60 % | 86 % |
| 23 | Uses JSON-LD sku Other | -0.22 | 1 | 1 | 13 % | 29 % |
| 24 | Search Result Domain is .com, .net, or .org Other | -0.21 | 1 | 1 | 8 % | 86 % |
| 25 | Number of H2 Tags Size | -0.21 | 23 | 7 | 58 % | 90 % |
| 26 | Variations in Div Tags Relevancy | -0.21 | 68329 | 9976 | 72 % | 86 % |
| 27 | Variations in the Canonical URL Relevancy | -0.21 | 50 | 14 | 51 % | 81 % |
| 28 | Has Entities in H3 Tags Relevancy | -0.21 | 1 | 1 | 41 % | 90 % |
| 29 | Variations in A Tag HREF Attributes Relevancy | -0.21 | 2876 | 634 | 56 % | 76 % |
| 30 | Clean Text Kilobytes Size | -0.21 | 54 | 14 | 62 % | 86 % |
| 31 | Variations in P Tags Relevancy | -0.21 | 4557 | 1067 | 59 % | 95 % |
| 32 | Number of Unique Variations Used Diversity | -0.21 | 18 | 6 | 78 % | 57 % |
| 33 | Word Count Size | -0.21 | 2930 | 1443 | 82 % | 86 % |
| 34 | Unabridged Word Count Size | -0.21 | 9873 | 2200 | 82 % | 86 % |
| 35 | Title Tag Has Entities Relevancy | -0.21 | 1 | 1 | 70 % | 76 % |
| 36 | Search Result Domain is .com Other | -0.2 | 1 | 1 | 8 % | 86 % |
| 37 | Variations in Search Result URL Path Relevancy | -0.2 | 10 | 4 | 53 % | 90 % |
| 38 | Variations in LI Tags Relevancy | -0.2 | 2914 | 605 | 57 % | 90 % |
| 39 | Entities in Title Tag Relevancy | -0.2 | 4 | 3 | 64 % | 95 % |
| 40 | Entities in Meta Description Tag Relevancy | -0.2 | 5 | 3 | 57 % | 81 % |
| 41 | Number of Questions In Headings Size | -0.2 | 5 | 2 | 27 % | 81 % |
| 42 | Number of H1 Tags Size | -0.2 | 2 | 1 | 61 % | 100 % |
| 43 | Variations in Search Result URL Relevancy | -0.2 | 21 | 7 | 65 % | 81 % |
| 44 | Variations in ALT Attributes Relevancy | -0.2 | 588 | 53 | 44 % | 86 % |
| 45 | Leading Variations in H1-H6 Tags Relevancy | -0.2 | 36 | 7 | 49 % | 90 % |
| 46 | Number of Distinct Entities Used Diversity | -0.2 | 49 | 31 | 82 % | 90 % |
| 47 | Variations in H1 Tags Relevancy | -0.2 | 20 | 5 | 51 % | 95 % |
| 48 | Number of Images Size | -0.2 | 309 | 43 | 66 % | 90 % |
| 49 | Number of H3 Tags Size | -0.2 | 14 | 8 | 50 % | 90 % |
| 50 | Variations in the Title Tag Relevancy | -0.2 | 23 | 6 | 65 % | 71 % |
| 51 | Variations in H3 Tags Relevancy | -0.2 | 123 | 24 | 34 % | 86 % |
| 52 | Number of Factors Used Diversity | -0.2 | 215 | 173 | 98 % | 81 % |
| 53 | Variations in First 100 Words Relevancy | -0.2 | 177 | 47 | 64 % | 86 % |
| 54 | Number of Internal Links Authority | -0.2 | 311 | 127 | 71 % | 76 % |
| 55 | Number of HTML Comments Size | -0.2 | 106 | 48 | 60 % | 90 % |
| 56 | Variations in Distinct A Tag HREF Attributes Relevancy | -0.19 | 1808 | 411 | 55 % | 81 % |
| 57 | Headings Has Question Other | -0.19 | 1 | 1 | 28 % | 76 % |
| 58 | Number of Forms Technology | -0.19 | 9 | 3 | 44 % | 81 % |
| 59 | Uses Schema product Other | -0.19 | 1 | 1 | 18 % | 43 % |
| 60 | Uses JSON-LD description Other | -0.19 | 1 | 1 | 35 % | 76 % |
| 61 | Leading Variations in H2 Tags Relevancy | -0.19 | 22 | 4 | 33 % | 86 % |
| 62 | Leading Variations in H1 Tags Relevancy | -0.19 | 2 | 1 | 37 % | 100 % |
| 63 | Has Canonical URL Authority | -0.19 | 1 | 1 | 64 % | 76 % |
| 64 | Number Of JSON-LD Types Relevancy | -0.18 | 55 | 13 | 48 % | 86 % |
| 65 | Load Time Milliseconds Performance | -0.18 | 2818 | 1066 | 80 % | 81 % |
| 66 | Variation Count in Top 30KB Relevancy | -0.18 | 4928 | 956 | 62 % | 86 % |
| 67 | Uses JSON-LD Product Other | -0.18 | 1 | 1 | 16 % | 43 % |
| 68 | Variations in A Tags Relevancy | -0.18 | 9305 | 1168 | 60 % | 90 % |
| 69 | Variations in Search Result Display URL Relevancy | -0.18 | 19 | 4 | 81 % | 71 % |
| 70 | Variations in Search Result Link Text Relevancy | -0.18 | 19 | 4 | 81 % | 71 % |
| 71 | Number of Questions In H2 Tags Size | -0.18 | 2 | 1 | 17 % | 76 % |
| 72 | Variations in Absolute URLs Relevancy | -0.18 | 14393 | 2506 | 65 % | 81 % |
| 73 | TF/IDF Relevancy | -0.18 | 2 | 1 | 63 % | 90 % |
| 74 | Variations in Search Result Summary Relevancy | -0.18 | 56 | 36 | 89 % | 48 % |
| 75 | Variations in Main Tags Relevancy | -0.18 | 40166 | 5420 | 39 % | 95 % |
| 76 | Clean Keyword Density in the HTML Tag Relevancy | -0.18 | 203 | 71 | 71 % | 90 % |
| 77 | Number of HTML Tags Size | -0.18 | 2293 | 1148 | 80 % | 90 % |
| 78 | Variations in Body Tags Relevancy | -0.18 | 93621 | 11217 | 76 % | 71 % |
| 79 | Variations in HTML Tags Relevancy | -0.18 | 93621 | 11217 | 76 % | 71 % |
| 80 | Meta Description Tag Has Entities Relevancy | -0.18 | 1 | 1 | 59 % | 67 % |
| 81 | Has Form Technology | -0.18 | 1 | 1 | 45 % | 71 % |
| 82 | Meta Description Length Size | -0.17 | 150 | 112 | 57 % | 62 % |
| 83 | Number of External Links Authority | -0.17 | 36 | 15 | 67 % | 95 % |
| 84 | Has Meta Charset Technology | -0.17 | 1 | 1 | 66 % | 81 % |
| 85 | Number of DoFollow Links Authority | -0.17 | 315 | 135 | 71 % | 90 % |
| 86 | Number of Links Authority | -0.17 | 318 | 139 | 71 % | 90 % |
| 87 | Uses Schema offer Other | -0.17 | 1 | 1 | 14 % | 67 % |
| 88 | Number of HTTPS Links Authority | -0.17 | 318 | 138 | 70 % | 90 % |
| 89 | Number of DoFollow External Links Authority | -0.17 | 31 | 13 | 66 % | 95 % |
| 90 | Variations in Span Tags Relevancy | -0.17 | 1077 | 181 | 50 % | 95 % |
| 91 | Term Frequency Relevancy | -0.17 | 6 | 3 | 74 % | 86 % |
| 92 | LSI Words in H2 Tags Relevancy | -0.17 | 91 | 22 | 44 % | 90 % |
| 93 | Variation Density in Top 30KB Relevancy | -0.17 | 310 | 107 | 65 % | 90 % |
| 94 | Uses JSON-LD name Other | -0.17 | 1 | 1 | 47 % | 86 % |
| 95 | Percentage of DoFollow Links Authority | -0.17 | 90 | 76 | 71 % | 90 % |
| 96 | Search Result Summary Length Size | -0.17 | 157 | 152 | 95 % | 71 % |
| 97 | Variations in Nav Tags Relevancy | -0.17 | 7034 | 1573 | 40 % | 81 % |
| 98 | Variations in Section Tags Relevancy | -0.17 | 1250 | 267 | 34 % | 86 % |
| 99 | Variations in OpenGraph Title Relevancy | -0.17 | 16 | 4 | 52 % | 76 % |
| 100 | Variations in OpenGraph Description Relevancy | -0.17 | 45 | 11 | 48 % | 76 % |
| 101 | Number of Images without ALT Text Size | -0.17 | 22 | 9 | 47 % | 100 % |
| 102 | LSI Words in Sentences Relevancy | -0.17 | 2378 | 746 | 52 % | 90 % |
| 103 | Search Result Number of Dirs in Path Other | -0.17 | 3 | 2 | 70 % | 81 % |
| 104 | Variations in Meta Description Relevancy | -0.17 | 49 | 12 | 52 % | 71 % |
| 105 | Number of Referring Domains Authority | -0.16 | 745 | 168 | 54 % | 81 % |
| 106 | Uses JSON-LD Organization Other | -0.16 | 1 | 1 | 31 % | 81 % |
| 107 | Has Meta Description Relevancy | -0.16 | 1 | 1 | 61 % | 67 % |
| 108 | Number of Backlinks Authority | -0.16 | 29278 | 5684 | 54 % | 81 % |
| 109 | Title Word Count Size | -0.16 | 12 | 8 | 80 % | 62 % |
| 110 | Number of Questions In H3 Tags Size | -0.16 | 4 | 1 | 15 % | 86 % |
| 111 | Uses JSON-LD DietarySupplement Other | -0.16 | 1 | 1 | 2 % | 14 % |
| 112 | Uses JSON-LD QuantitativeValue Other | -0.16 | 1 | 1 | 5 % | 33 % |
| 113 | Uses Schema dietarysupplement Other | -0.16 | 1 | 1 | 2 % | 14 % |
| 114 | Uses Schema quantitativevalue Other | -0.16 | 1 | 1 | 5 % | 33 % |
| 115 | Word Count in Meta Description Size | -0.16 | 25 | 19 | 59 % | 71 % |
| 116 | Uses JSON-LD OfferShippingDetails Other | -0.16 | 1 | 1 | 5 % | 19 % |
| 117 | Uses JSON-LD ShippingDeliveryTime Other | -0.16 | 1 | 1 | 5 % | 19 % |
| 118 | Uses Schema shippingdeliverytime Other | -0.16 | 1 | 1 | 5 % | 19 % |
| 119 | Inline CSS Kilobytes Size | -0.16 | 189 | 60 | 65 % | 76 % |
| 120 | Uses Schema pricecurrency Other | -0.16 | 1 | 1 | 14 % | 67 % |
| 121 | Is Article Page Other | -0.16 | 1 | 1 | 30 % | 67 % |
| 122 | Has OpenGraph Image Relevancy | -0.16 | 1 | 1 | 53 % | 76 % |
| 123 | Has JSON-LD Schema Markup Relevancy | -0.16 | 1 | 1 | 48 % | 90 % |
| 124 | Uses JSON-LD DefinedRegion Other | -0.16 | 1 | 1 | 4 % | 19 % |
| 125 | Leading Variations in H3 Tags Relevancy | -0.16 | 9 | 3 | 24 % | 76 % |
| 126 | Leading Variations in Meta Description Relevancy | -0.16 | 1 | 1 | 24 % | 62 % |
| 127 | Uses JSON-LD unitCode Other | -0.16 | 1 | 1 | 5 % | 29 % |
| 128 | Uses Schema unitcode Other | -0.16 | 1 | 1 | 5 % | 29 % |
| 129 | Variations in Footer Tags Relevancy | -0.16 | 6817 | 699 | 34 % | 86 % |
| 130 | Title Length Size | -0.16 | 68 | 49 | 81 % | 62 % |
| 131 | Uses Microdata AggregateRating Other | -0.16 | 1 | 1 | 3 % | 14 % |
| 132 | Number of CSS Includes Technology | -0.16 | 14 | 9 | 66 % | 62 % |
| 133 | Variations in the last 100 words Relevancy | -0.16 | 176 | 56 | 56 % | 67 % |
| 134 | Uses Schema organization Other | -0.16 | 1 | 1 | 32 % | 81 % |
| 135 | Number of NoFollow External Links Authority | -0.16 | 5 | 2 | 14 % | 67 % |
| 136 | Uses JSON-LD value Other | -0.16 | 1 | 1 | 5 % | 24 % |
| 137 | Number of US Phone Numbers Trust | -0.15 | 98 | 13 | 30 % | 90 % |
| 138 | Percentage of DoFollow Internal Links Authority | -0.15 | 86 | 64 | 71 % | 81 % |
| 139 | Variations in Sentences Relevancy | -0.15 | 8372 | 1383 | 71 % | 86 % |
| 140 | Has Meta Twitter Description Authority | -0.15 | 1 | 1 | 32 % | 52 % |
| 141 | Uses Microdata Product Other | -0.15 | 1 | 1 | 4 % | 24 % |
| 142 | Number of Do Follow Backlinks Authority | -0.15 | 26285 | 5083 | 52 % | 81 % |
| 143 | Has Terms of Service Trust | -0.15 | 1 | 1 | 42 % | 52 % |
| 144 | Leading Variations in Title Tag Relevancy | -0.15 | 1 | 1 | 43 % | 90 % |
| 145 | Uses Schema logo Other | -0.15 | 1 | 1 | 12 % | 67 % |
| 146 | Search Result Summary Has Ellipsis Other | -0.15 | 1 | 1 | 41 % | 14 % |
| 147 | Variations in Strong Tags Relevancy | -0.15 | 289 | 43 | 29 % | 76 % |
| 148 | Is Store Page Other | -0.15 | 1 | 1 | 53 % | 67 % |
| 149 | Percentage of NoFollow Links Authority | -0.15 | 5 | 3 | 22 % | 67 % |
| 150 | Has Domain Phrase In Title Trust | -0.15 | 1 | 1 | 18 % | 57 % |
| 151 | Has Meta Twitter Title Authority | -0.15 | 1 | 1 | 33 % | 52 % |
| 152 | Is OpenGraph Type Article Technology | -0.15 | 1 | 1 | 18 % | 57 % |
| 153 | Has Schema Markup Relevancy | -0.15 | 1 | 1 | 58 % | 76 % |
| 154 | Uses Schema url Other | -0.15 | 1 | 1 | 49 % | 57 % |
| 155 | Uses Schema geocoordinates Other | -0.15 | 1 | 1 | 15 % | 24 % |
| 156 | Uses Schema offershippingdetails Other | -0.15 | 1 | 1 | 5 % | 19 % |
| 157 | Exact Matches in Top 30KB Relevancy | -0.15 | 14 | 3 | 18 % | 76 % |
| 158 | Uses JSON-LD Offer Other | -0.15 | 1 | 1 | 12 % | 71 % |
| 159 | Number of Facebook Pages Authority | -0.15 | 2 | 1 | 38 % | 81 % |
| 160 | Percentage of DoFollow External Links Authority | -0.15 | 20 | 12 | 65 % | 86 % |
| 161 | Has FavIcon Technology | -0.15 | 1 | 1 | 72 % | 67 % |
| 162 | Number of H5 Tags Size | -0.15 | 5 | 2 | 12 % | 67 % |
| 163 | Uses Schema definedregion Other | -0.15 | 1 | 1 | 5 % | 19 % |
| 164 | Uses JSON-LD headline Other | -0.15 | 1 | 1 | 20 % | 48 % |
| 165 | Variations in Button Tags Relevancy | -0.15 | 5433 | 729 | 25 % | 95 % |
| 166 | Exact Matches in the HTML Tag Relevancy | -0.15 | 242 | 39 | 36 % | 81 % |
| 167 | Variations in Value Attributes Relevancy | -0.15 | 151 | 26 | 17 % | 67 % |
| 168 | Uses JSON-LD brand | -0.15 | 1 | 1 | 7 % | 48 % |
| 169 | Has US Phone Number Trust | -0.15 | 1 | 1 | 27 % | 76 % |
| 170 | Uses Schema brand Other | -0.15 | 1 | 1 | 10 % | 38 % |
| 171 | Uses Schema ratingvalue Other | -0.15 | 1 | 1 | 8 % | 57 % |
| 172 | Variations in Article Tags Relevancy | -0.15 | 3771 | 454 | 17 % | 76 % |
| 173 | Uses Schema headline Other | -0.15 | 1 | 1 | 19 % | 52 % |
| 174 | Has Meta Twitter Card Authority | -0.15 | 1 | 1 | 47 % | 57 % |
| 175 | Uses JSON-LD addressRegion Other | -0.15 | 1 | 1 | 8 % | 57 % |
| 176 | Uses JSON-LD CorrectionComment Other | -0.15 | 1 | 1 | 2 % | 14 % |
| 177 | Uses JSON-LD reviewedBy Other | -0.15 | 1 | 1 | 2 % | 14 % |
| 178 | Uses Schema correctioncomment Other | -0.15 | 1 | 1 | 2 % | 14 % |
| 179 | Uses Schema reviewedby Other | -0.15 | 1 | 1 | 2 % | 14 % |
| 180 | Search Result Link Text Length Size | -0.15 | 54 | 48 | 95 % | 29 % |
| 181 | Variations in B Tags Relevancy | -0.15 | 350 | 49 | 12 % | 95 % |
| 182 | LSI Words in H3 Tags Relevancy | -0.15 | 97 | 22 | 38 % | 90 % |
| 183 | Uses JSON-LD applicableCountry Other | -0.15 | 1 | 1 | 4 % | 19 % |
| 184 | Uses Schema applicablecountry Other | -0.15 | 1 | 1 | 4 % | 19 % |
| 185 | Uses Schema pricespecification Other | -0.15 | 1 | 1 | 2 % | 19 % |
| 186 | Uses Schema name Other | -0.15 | 1 | 1 | 55 % | 76 % |
| 187 | Uses Schema value Other | -0.15 | 1 | 1 | 5 % | 24 % |
| 188 | Number of Sentences Size | -0.14 | 332 | 183 | 79 % | 76 % |
| 189 | Uses JSON-LD ratingValue Other | -0.14 | 1 | 1 | 7 % | 57 % |
| 190 | Uses JSON-LD SoftwareApplication Other | -0.14 | 1 | 1 | 8 % | 29 % |
| 191 | Uses Schema softwareapplication Other | -0.14 | 1 | 1 | 8 % | 29 % |
| 192 | Percentage of NoFollow Internal Links Authority | -0.14 | 2 | 1 | 13 % | 76 % |
| 193 | Uses JSON-LD priceCurrency Other | -0.14 | 1 | 1 | 12 % | 71 % |
| 194 | Number of Nofollow Links Authority | -0.14 | 15 | 5 | 25 % | 81 % |
| 195 | Uses Schema description Other | -0.14 | 1 | 1 | 44 % | 67 % |
| 196 | Uses Schema ratingcount Other | -0.14 | 1 | 1 | 2 % | 48 % |
| 197 | Uses Schema addressregion Other | -0.14 | 1 | 1 | 9 % | 57 % |
| 198 | Uses JSON-LD gtin Other | -0.14 | 1 | 1 | 2 % | 14 % |
| 199 | Uses Schema gtin Other | -0.14 | 1 | 1 | 2 % | 14 % |
| 200 | Number Of Claimed Brands Other | -0.14 | 2 | 1 | 18 % | 81 % |