[ Ahrefs, SEMRush, DomDetailer, SpyFu APIs ]
[ Wappalyzer API ]
SEO Factor ClassSize ( 54166 )Relevancy ( 53661 ) Other ( 29550 ) Local ( 8933 ) Technology ( 1599 ) Authority ( 163 ) Pay Per Click ( 29 ) Trust ( 15 ) Diversity ( 15 ) Easy ( 3 ) Performance ( 1 ) This factor is measured within the schema markup of the web page. ( 1 ) |
SEO Factor TypeSize ( 54162 )Keywords ( 41565 ) Schema ( 29496 ) Local ( 8934 ) 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 Unique Variations Used Diversity | -0.26 | 31 | 7 | 79 % | 85 % |
| 2 | Number of Unique LSI Words Used Diversity | -0.25 | 877 | 284 | 83 % | 76 % |
| 3 | Number of Top 200 Shared Factors Used Diversity | -0.24 | 52 | 39 | 95 % | 92 % |
| 4 | Entities in Title Tag Relevancy | -0.24 | 7 | 3 | 67 % | 88 % |
| 5 | Number of Top 100 Shared Factors Used Diversity | -0.24 | 39 | 29 | 95 % | 92 % |
| 6 | Number of Distinct Entities Used Diversity | -0.24 | 73 | 27 | 76 % | 91 % |
| 7 | Search Result Domain is .com, .net, or .org Other | -0.23 | 1 | 1 | 5 % | 78 % |
| 8 | Number of Top 50 Shared Factors Used Diversity | -0.23 | 16 | 13 | 94 % | 90 % |
| 9 | Search Result Domain is .com Other | -0.23 | 1 | 1 | 4 % | 79 % |
| 10 | Variations in Search Result Link Text Relevancy | -0.22 | 6 | 2 | 74 % | 79 % |
| 11 | Variations in Body Tags Relevancy | -0.22 | 81936 | 407 | 77 % | 89 % |
| 12 | Variations in Search Result Display URL Relevancy | -0.22 | 6 | 2 | 74 % | 82 % |
| 13 | Variations in HTML Tags Relevancy | -0.22 | 81936 | 404 | 76 % | 90 % |
| 14 | Variations in H1, H2, and H3 Tags Relevancy | -0.22 | 147 | 6 | 64 % | 87 % |
| 15 | Variations in the Title Tag Relevancy | -0.22 | 15 | 2 | 64 % | 83 % |
| 16 | Variations in H1-H6 Tags Relevancy | -0.22 | 191 | 8 | 65 % | 86 % |
| 17 | Number of Factors Used Diversity | -0.21 | 345 | 182 | 95 % | 88 % |
| 18 | Variations in H1 and H2 Tags Relevancy | -0.21 | 74 | 4 | 61 % | 84 % |
| 19 | Load Time Milliseconds Performance | -0.21 | 17605 | 1601 | 84 % | 91 % |
| 20 | Variations in Div Tags Relevancy | -0.21 | 30616 | 187 | 73 % | 90 % |
| 21 | Variations in P Tags Relevancy | -0.21 | 4555 | 37 | 68 % | 88 % |
| 22 | Variations in Sentences Relevancy | -0.21 | 3776 | 43 | 71 % | 89 % |
| 23 | Term Frequency Relevancy | -0.21 | 6 | 3 | 77 % | 87 % |
| 24 | Clean Keyword Density in the HTML Tag Relevancy | -0.2 | 185 | 4 | 68 % | 79 % |
| 25 | Variations in A Tags Relevancy | -0.2 | 3717 | 30 | 67 % | 86 % |
| 26 | Variations in Search Result Document File Name Relevancy | -0.2 | 9 | 1 | 43 % | 80 % |
| 27 | Variations in Search Result URL Path Relevancy | -0.2 | 12 | 1 | 45 % | 81 % |
| 28 | Entities in H1 Tags | -0.2 | 9 | 2 | 56 % | 86 % |
| 29 | Variations in H1 Tags Relevancy | -0.19 | 9 | 1 | 54 % | 81 % |
| 30 | Entities in the HTML Tag Relevancy | -0.19 | 1463 | 135 | 71 % | 92 % |
| 31 | Variations in Search Result URL Relevancy | -0.19 | 21 | 2 | 52 % | 77 % |
| 32 | Entities in Sentences Relevancy | -0.19 | 1247 | 132 | 70 % | 92 % |
| 33 | Variations in LI Tags Relevancy | -0.19 | 1820 | 23 | 66 % | 87 % |
| 34 | Leading Variations in H1-H6 Tags Relevancy | -0.19 | 29 | 2 | 45 % | 85 % |
| 35 | Leading Variations in H1, H2, and H3 Tags Relevancy | -0.19 | 22 | 2 | 43 % | 85 % |
| 36 | Variations in First 100 Words Relevancy | -0.19 | 178 | 7 | 64 % | 85 % |
| 37 | Variations in H2 Tags Relevancy | -0.19 | 64 | 3 | 47 % | 83 % |
| 38 | LSI Words in Title Tag Relevancy | -0.19 | 27 | 5 | 63 % | 91 % |
| 39 | Variation Density in Top 30KB Relevancy | -0.19 | 323 | 3 | 58 % | 82 % |
| 40 | Entities in H2 Tags | -0.19 | 35 | 6 | 54 % | 88 % |
| 41 | Variations in the Canonical URL Relevancy | -0.19 | 53 | 2 | 49 % | 82 % |
| 42 | Variations in OpenGraph Title Relevancy | -0.19 | 11 | 1 | 51 % | 80 % |
| 43 | Variations in Meta Description Relevancy | -0.19 | 42 | 2 | 53 % | 81 % |
| 44 | Variation Count in Top 30KB Relevancy | -0.18 | 5447 | 38 | 66 % | 82 % |
| 45 | TF/IDF Relevancy | -0.18 | 1 | 1 | 57 % | 80 % |
| 46 | Exact Matches in the HTML Tag Relevancy | -0.18 | 463 | 9 | 26 % | 84 % |
| 47 | Number of Referring Domains Authority | -0.18 | 14936 | 77 | 45 % | 39 % |
| 48 | Number of Includes Technology | -0.18 | 59 | 26 | 80 % | 77 % |
| 49 | Variations in OpenGraph Description Relevancy | -0.18 | 121 | 2 | 47 % | 78 % |
| 50 | Variations in A Tag HREF Attributes Relevancy | -0.18 | 3337 | 46 | 61 % | 87 % |
| 51 | Variations in Absolute URLs Relevancy | -0.18 | 6822 | 70 | 61 % | 88 % |
| 52 | Variations in Distinct A Tag HREF Attributes Relevancy | -0.18 | 2222 | 29 | 61 % | 87 % |
| 53 | Entities in Meta Description Tag Relevancy | -0.18 | 56 | 3 | 57 % | 85 % |
| 54 | Variations in ALT Attributes Relevancy | -0.18 | 200 | 7 | 46 % | 82 % |
| 55 | Variations in Script Tags Relevancy | -0.17 | 31262 | 112 | 61 % | 86 % |
| 56 | Leading Variations in Title Tag Relevancy | -0.17 | 1 | 1 | 30 % | 80 % |
| 57 | Number of Do Follow Backlinks Authority | -0.17 | 448580 | 5067 | 39 % | 39 % |
| 58 | Entities in H3 Tags | -0.17 | 64 | 7 | 45 % | 89 % |
| 59 | Number of No Follow Backlinks Authority | -0.17 | 3990146 | 5587 | 35 % | 36 % |
| 60 | Leading Variations in H1 Tags Relevancy | -0.17 | 3 | 1 | 27 % | 82 % |
| 61 | Variations in Span Tags Relevancy | -0.17 | 913 | 11 | 51 % | 85 % |
| 62 | Number of Backlinks Authority | -0.17 | 4042261 | 9875 | 43 % | 41 % |
| 63 | LSI Words in Sentences Relevancy | -0.17 | 4542 | 681 | 64 % | 93 % |
| 64 | Number of HTML Tags Size | -0.16 | 3541 | 1043 | 84 % | 84 % |
| 65 | Variations in H3 Tags Relevancy | -0.16 | 79 | 3 | 35 % | 84 % |
| 66 | Title Tag Has Entities Relevancy | -0.16 | 1 | 1 | 66 % | 82 % |
| 67 | Search Result Number of Dirs in Path Other | -0.16 | 4 | 2 | 72 % | 76 % |
| 68 | Number of CSS Includes Technology | -0.16 | 26 | 10 | 72 % | 78 % |
| 69 | Unabridged Word Count Size | -0.16 | 18512 | 1913 | 84 % | 84 % |
| 70 | Number of Sentences Size | -0.16 | 1778 | 125 | 83 % | 85 % |
| 71 | Has Entities in H1 Tags Relevancy | -0.16 | 1 | 1 | 56 % | 81 % |
| 72 | Word Count Size | -0.16 | 10647 | 1535 | 84 % | 84 % |
| 73 | Number of Images Size | -0.16 | 180 | 30 | 80 % | 83 % |
| 74 | LSI Words in H1 Tags Relevancy | -0.16 | 22 | 5 | 56 % | 88 % |
| 75 | Has JSON-LD Schema Markup Relevancy | -0.16 | 1 | 1 | 55 % | 74 % |
| 76 | Number of Facebook Pages Authority | -0.16 | 39 | 2 | 62 % | 78 % |
| 77 | Variations in Main Tags Relevancy | -0.16 | 14230 | 82 | 36 % | 83 % |
| 78 | Variations in Nav Tags Relevancy | -0.16 | 9578 | 45 | 46 % | 82 % |
| 79 | Number of P Tags Size | -0.16 | 199 | 40 | 79 % | 82 % |
| 80 | Clean Text Kilobytes Size | -0.16 | 103 | 13 | 80 % | 86 % |
| 81 | Variations in Footer Tags Relevancy | -0.15 | 3311 | 13 | 34 % | 79 % |
| 82 | Exact Matches in H1-H6 Tags Relevancy | -0.15 | 11 | 1 | 17 % | 82 % |
| 83 | Number of Images with ALT Text Size | -0.15 | 177 | 20 | 76 % | 86 % |
| 84 | Number of Questions Size | -0.15 | 69 | 11 | 67 % | 84 % |
| 85 | Number of Links Authority | -0.15 | 737 | 149 | 81 % | 80 % |
| 86 | Variations making whole H1-H6 Tags Relevancy | -0.15 | 7 | 1 | 16 % | 77 % |
| 87 | Number of HTTPS Links Authority | -0.15 | 721 | 147 | 81 % | 83 % |
| 88 | Search Result Host Length Size | -0.15 | 25 | 18 | 83 % | 74 % |
| 89 | Number of DoFollow Links Authority | -0.15 | 661 | 146 | 81 % | 82 % |
| 90 | Number of Absolute URLs Authority | -0.15 | 1041 | 260 | 83 % | 82 % |
| 91 | Page Size Kilobytes Size | -0.15 | 1043 | 256 | 84 % | 84 % |
| 92 | Number of Internal Links Authority | -0.15 | 592 | 134 | 80 % | 83 % |
| 93 | Variations making whole H1, H2, and H3 Tags Relevancy | -0.15 | 3 | 1 | 14 % | 77 % |
| 94 | Number of JavaScript Includes Technology | -0.15 | 47 | 18 | 81 % | 75 % |
| 95 | Variations in Section Tags Relevancy | -0.15 | 1658 | 20 | 38 % | 82 % |
| 96 | Variations making whole A Tags Relevancy | -0.15 | 74 | 2 | 29 % | 78 % |
| 97 | Percentage of DoFollow Links Authority | -0.15 | 100 | 85 | 80 % | 85 % |
| 98 | Variations in the last 100 words Relevancy | -0.15 | 180 | 4 | 46 % | 80 % |
| 99 | LSI Words in Meta Description Tag Relevancy | -0.15 | 35 | 10 | 52 % | 89 % |
| 100 | Variations in TITLE Attributes Relevancy | -0.15 | 379 | 6 | 34 % | 81 % |
| 101 | Leading Variations in H2 Tags Relevancy | -0.15 | 9 | 1 | 22 % | 83 % |
| 102 | Number of Heading Tags Size | -0.15 | 87 | 22 | 80 % | 81 % |
| 103 | Inline CSS Kilobytes Size | -0.15 | 249 | 62 | 65 % | 84 % |
| 104 | Search Result Domain Length Size | -0.15 | 25 | 18 | 83 % | 77 % |
| 105 | Exact Matches in Title Tag Relevancy | -0.15 | 2 | 1 | 16 % | 80 % |
| 106 | Percentage of DoFollow Internal Links Authority | -0.15 | 94 | 74 | 80 % | 85 % |
| 107 | Number Of JSON-LD Types Relevancy | -0.14 | 817 | 15 | 58 % | 83 % |
| 108 | Variations Making Whole LI Tags Relevancy | -0.14 | 5 | 1 | 24 % | 75 % |
| 109 | Number of H2 Tags Size | -0.14 | 19 | 7 | 71 % | 79 % |
| 110 | Exact Matches in Top 30KB Relevancy | -0.14 | 19 | 1 | 16 % | 81 % |
| 111 | Flesch Kincaid Reading Grade Level Other | -0.14 | 6 | 2 | 92 % | 84 % |
| 112 | Number of External Links Authority | -0.14 | 145 | 16 | 77 % | 80 % |
| 113 | Has Entities in H2 Tags Relevancy | -0.14 | 1 | 1 | 54 % | 81 % |
| 114 | Number of Instagram Pages Authority | -0.14 | 18 | 2 | 45 % | 76 % |
| 115 | Number of Questions In Headings Size | -0.14 | 10 | 2 | 39 % | 82 % |
| 116 | Number of H1 Tags Size | -0.14 | 4 | 2 | 74 % | 79 % |
| 117 | LSI Words in H2 Tags Relevancy | -0.14 | 100 | 19 | 55 % | 89 % |
| 118 | Variations in Strong Tags Relevancy | -0.14 | 91 | 2 | 26 % | 78 % |
| 119 | Search Result URL Length Size | -0.14 | 104 | 63 | 95 % | 60 % |
| 120 | Number of H3 Tags Size | -0.14 | 30 | 9 | 64 % | 80 % |
| 121 | Exact Matches in Sentences Relevancy | -0.14 | 103 | 3 | 18 % | 84 % |
| 122 | Number of HTML Comments Size | -0.14 | 493 | 45 | 75 % | 81 % |
| 123 | Number of DoFollow External Links Authority | -0.14 | 75 | 14 | 76 % | 80 % |
| 124 | Inline JavaScript Kilobytes Size | -0.14 | 555 | 69 | 81 % | 81 % |
| 125 | Search Result Uses HTTPS Other | -0.14 | 1 | 1 | 83 % | 81 % |
| 126 | Uses Schema aggregaterating Other | -0.14 | 1 | 1 | 11 % | 58 % |
| 127 | Has Meta Viewport Technology | -0.14 | 1 | 1 | 81 % | 77 % |
| 128 | Uses Schema name Other | -0.14 | 1 | 1 | 60 % | 70 % |
| 129 | Variations Making Whole Span Tags Relevancy | -0.14 | 15 | 1 | 19 % | 78 % |
| 130 | Number of US Phone Numbers Trust | -0.14 | 448 | 12 | 47 % | 81 % |
| 131 | Title Word Count Size | -0.14 | 21 | 8 | 82 % | 75 % |
| 132 | Uses JSON-LD name Other | -0.14 | 1 | 1 | 54 % | 71 % |
| 133 | Number of Prices Size | -0.13 | 3164 | 64 | 68 % | 83 % |
| 134 | Uses Schema pricecurrency Other | -0.13 | 1 | 1 | 7 % | 44 % |
| 135 | Variations making whole H1 Tags Relevancy | -0.13 | 1 | 1 | 8 % | 76 % |
| 136 | Number of Images without ALT Text Size | -0.13 | 109 | 10 | 60 % | 80 % |
| 137 | Entities in H4 Tags | -0.13 | 61 | 2 | 21 % | 84 % |
| 138 | Title Length Size | -0.13 | 150 | 52 | 82 % | 75 % |
| 139 | Meta Description Tag Has Entities Relevancy | -0.13 | 1 | 1 | 55 % | 77 % |
| 140 | Has Canonical URL Authority | -0.13 | 1 | 1 | 71 % | 75 % |
| 141 | Uses JSON-LD priceCurrency Other | -0.13 | 1 | 1 | 6 % | 44 % |
| 142 | Uses Schema product Other | -0.13 | 1 | 1 | 9 % | 53 % |
| 143 | Has Entities in H3 Tags Relevancy | -0.13 | 1 | 1 | 46 % | 80 % |
| 144 | Has Schema Markup Relevancy | -0.13 | 1 | 1 | 63 % | 74 % |
| 145 | Number of Forms Technology | -0.13 | 20 | 2 | 56 % | 74 % |
| 146 | Uses Schema offer Other | -0.13 | 1 | 1 | 7 % | 50 % |
| 147 | Uses Schema availability Other | -0.13 | 1 | 1 | 6 % | 37 % |
| 148 | Variations in Meta Twitter Description Relevancy | -0.13 | 24 | 1 | 21 % | 72 % |
| 149 | Has Privacy Policy Trust | -0.13 | 1 | 1 | 58 % | 74 % |
| 150 | Number of Facebook Accounts Authority | -0.13 | 8 | 1 | 31 % | 74 % |
| 151 | Uses Schema description Other | -0.13 | 1 | 1 | 46 % | 62 % |
| 152 | Uses Schema price Other | -0.13 | 1 | 1 | 6 % | 38 % |
| 153 | Uses JSON-LD AggregateRating Other | -0.13 | 1 | 1 | 9 % | 60 % |
| 154 | Variations in Meta Twitter Content Relevancy | -0.13 | 10 | 1 | 23 % | 71 % |
| 155 | Word Count in Meta Description Size | -0.13 | 118 | 20 | 67 % | 74 % |
| 156 | Has Meta Charset Technology | -0.13 | 1 | 1 | 77 % | 72 % |
| 157 | Number of Social Pages Authority | -0.13 | 74 | 4 | 66 % | 76 % |
| 158 | LSI Words in H3 Tags Relevancy | -0.13 | 168 | 19 | 48 % | 89 % |
| 159 | Variations in Search Result Summary Relevancy | -0.13 | 45 | 2 | 74 % | 65 % |
| 160 | Has Form Technology | -0.13 | 1 | 1 | 55 % | 70 % |
| 161 | Headings Has Question Other | -0.13 | 1 | 1 | 39 % | 75 % |
| 162 | Number of Questions In H3 Tags Size | -0.13 | 5 | 1 | 18 % | 80 % |
| 163 | Number of Nofollow Links Authority | -0.13 | 76 | 4 | 26 % | 77 % |
| 164 | Variations in I Tags Relevancy | -0.13 | 302 | 5 | 24 % | 75 % |
| 165 | Number of LinkedIn Pages Authority | -0.13 | 18 | 1 | 29 % | 72 % |
| 166 | Leading Variations in H3 Tags Relevancy | -0.13 | 17 | 1 | 16 % | 80 % |
| 167 | Number of Questions In H2 Tags Size | -0.13 | 4 | 1 | 24 % | 77 % |
| 168 | Uses JSON-LD price Other | -0.13 | 1 | 1 | 5 % | 36 % |
| 169 | Uses JSON-LD Product Other | -0.13 | 1 | 1 | 8 % | 54 % |
| 170 | Uses Schema geocircle Other | -0.13 | 1 | 1 | 3 % | 18 % |
| 171 | Has Meta Description Relevancy | -0.13 | 1 | 1 | 66 % | 71 % |
| 172 | Has FavIcon Technology | -0.13 | 1 | 1 | 73 % | 75 % |
| 173 | Uses JSON-LD ListItem Other | -0.13 | 1 | 1 | 37 % | 67 % |
| 174 | Uses JSON-LD GeoCircle Other | -0.13 | 1 | 1 | 3 % | 19 % |
| 175 | Uses JSON-LD url Other | -0.13 | 1 | 1 | 43 % | 69 % |
| 176 | Uses JSON-LD BreadcrumbList Other | -0.13 | 1 | 1 | 36 % | 67 % |
| 177 | Uses JSON-LD Offer Other | -0.13 | 1 | 1 | 6 % | 51 % |
| 178 | Has Contact Page Trust | -0.13 | 1 | 1 | 64 % | 71 % |
| 179 | Is OpenGraph Type Article Technology | -0.13 | 1 | 1 | 36 % | 58 % |
| 180 | Exact Matches in H1 Tags Relevancy | -0.12 | 1 | 1 | 12 % | 80 % |
| 181 | Number of Email Addresses Trust | -0.12 | 507 | 5 | 43 % | 75 % |
| 182 | Uses Schema website Other | -0.12 | 1 | 1 | 37 % | 60 % |
| 183 | Uses JSON-LD availability | -0.12 | 1 | 1 | 5 % | 37 % |
| 184 | Uses Schema url Other | -0.12 | 1 | 1 | 55 % | 67 % |
| 185 | Uses JSON-LD description Other | -0.12 | 1 | 1 | 43 % | 64 % |
| 186 | Variations in Article Tags Relevancy | -0.12 | 1542 | 13 | 23 % | 70 % |
| 187 | Has US Phone Number Trust | -0.12 | 1 | 1 | 48 % | 71 % |
| 188 | Has OpenGraph Type Relevancy | -0.12 | 1 | 1 | 61 % | 70 % |
| 189 | Percentage of DoFollow External Links Authority | -0.12 | 32 | 12 | 75 % | 74 % |
| 190 | Variations in H4-H6 Tags Relevancy | -0.12 | 45 | 2 | 18 % | 75 % |
| 191 | Uses Schema breadcrumblist Other | -0.12 | 1 | 1 | 40 % | 66 % |
| 192 | Average Words Per Sentence Size | -0.12 | 261 | 34 | 81 % | 74 % |
| 193 | Meta Description Length Size | -0.12 | 850 | 121 | 67 % | 76 % |
| 194 | Number of Twitter Accounts Authority | -0.12 | 3 | 1 | 29 % | 69 % |
| 195 | Uses Schema listitem Other | -0.12 | 1 | 1 | 40 % | 66 % |
| 196 | Number of H4 Tags Size | -0.12 | 80 | 4 | 39 % | 75 % |
| 197 | Uses JSON-LD ratingValue Other | -0.12 | 1 | 1 | 9 % | 57 % |
| 198 | Is Article Page Other | -0.12 | 1 | 1 | 46 % | 62 % |
| 199 | Uses Schema ratingvalue Other | -0.12 | 1 | 1 | 11 % | 57 % |
| 200 | Number of Social Accounts Authority | -0.12 | 15 | 2 | 48 % | 74 % |