[ Ahrefs, SEMRush, DomDetailer, SpyFu APIs ]
[ Wappalyzer API ]
SEO Factor ClassSize ( 54326 )Relevancy ( 53933 ) Other ( 32511 ) Local ( 8976 ) 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 ( 54322 )Keywords ( 41835 ) Schema ( 32457 ) Local ( 8977 ) 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 | -0.24 | 1002 | 338 | 85 % | 83 % |
| 2 | Number of Top 200 Shared Factors Used Diversity | -0.22 | 53 | 40 | 96 % | 94 % |
| 3 | Number of Unique Variations Used Diversity | -0.22 | 24 | 6 | 79 % | 89 % |
| 4 | Number of Top 100 Shared Factors Used Diversity | -0.22 | 39 | 30 | 96 % | 93 % |
| 5 | Entities in Title Tag Relevancy | -0.22 | 7 | 3 | 71 % | 94 % |
| 6 | Number of Distinct Entities Used Diversity | -0.22 | 63 | 31 | 79 % | 95 % |
| 7 | Number of Top 50 Shared Factors Used Diversity | -0.21 | 16 | 13 | 96 % | 94 % |
| 8 | Search Result Domain is .com, .net, or .org Other | -0.21 | 1 | 1 | 4 % | 57 % |
| 9 | Variations in Div Tags Relevancy | -0.2 | 52223 | 181 | 74 % | 89 % |
| 10 | Variations in Search Result Document File Name Relevancy | -0.2 | 9 | 1 | 47 % | 76 % |
| 11 | Variations in H1-H6 Tags Relevancy | -0.2 | 189 | 6 | 64 % | 89 % |
| 12 | Variations in Body Tags Relevancy | -0.2 | 133772 | 453 | 78 % | 89 % |
| 13 | Entities in the HTML Tag Relevancy | -0.2 | 518 | 145 | 75 % | 95 % |
| 14 | Variations in HTML Tags Relevancy | -0.2 | 133772 | 451 | 77 % | 89 % |
| 15 | Entities in Sentences Relevancy | -0.2 | 515 | 142 | 72 % | 95 % |
| 16 | Search Result Domain is .com Other | -0.19 | 1 | 1 | 4 % | 56 % |
| 17 | Variations in H1, H2, and H3 Tags Relevancy | -0.19 | 169 | 5 | 63 % | 90 % |
| 18 | Variations in H1 and H2 Tags Relevancy | -0.19 | 73 | 4 | 60 % | 89 % |
| 19 | Variations in P Tags Relevancy | -0.19 | 2754 | 31 | 67 % | 89 % |
| 20 | Entities in H1 Tags | -0.19 | 7 | 2 | 60 % | 92 % |
| 21 | Number of Referring Domains Authority | -0.19 | 2425 | 133 | 46 % | 69 % |
| 22 | Load Time Milliseconds Performance | -0.19 | 10076 | 1219 | 85 % | 88 % |
| 23 | Number of Factors Used Diversity | -0.19 | 281 | 179 | 96 % | 88 % |
| 24 | Number of Backlinks Authority | -0.19 | 770312 | 9307 | 46 % | 70 % |
| 25 | Term Frequency Relevancy | -0.19 | 5 | 3 | 77 % | 90 % |
| 26 | Variations in LI Tags Relevancy | -0.18 | 2891 | 23 | 65 % | 88 % |
| 27 | Exact Matches in the HTML Tag Relevancy | -0.18 | 349 | 14 | 32 % | 85 % |
| 28 | Variations in Sentences Relevancy | -0.18 | 10610 | 47 | 71 % | 88 % |
| 29 | Variations in A Tags Relevancy | -0.18 | 5483 | 29 | 65 % | 85 % |
| 30 | Number of Do Follow Backlinks Authority | -0.18 | 715834 | 8469 | 42 % | 69 % |
| 31 | LSI Words in Sentences Relevancy | -0.18 | 2462 | 769 | 70 % | 94 % |
| 32 | Variations in H1 Tags Relevancy | -0.18 | 7 | 1 | 53 % | 89 % |
| 33 | Variations in Search Result Display URL Relevancy | -0.18 | 11 | 2 | 74 % | 80 % |
| 34 | Variations in Search Result Link Text Relevancy | -0.18 | 11 | 2 | 74 % | 80 % |
| 35 | Variations in Search Result URL Path Relevancy | -0.18 | 9 | 1 | 45 % | 85 % |
| 36 | Number of Images Size | -0.18 | 136 | 29 | 78 % | 87 % |
| 37 | Variations in the Title Tag Relevancy | -0.18 | 11 | 2 | 63 % | 87 % |
| 38 | Entities in H2 Tags | -0.18 | 31 | 7 | 53 % | 93 % |
| 39 | Number of No Follow Backlinks Authority | -0.17 | 54478 | 1005 | 35 % | 66 % |
| 40 | Leading Variations in H1, H2, and H3 Tags Relevancy | -0.17 | 18 | 2 | 43 % | 88 % |
| 41 | LSI Words in Title Tag Relevancy | -0.17 | 14 | 6 | 71 % | 94 % |
| 42 | Leading Variations in H1-H6 Tags Relevancy | -0.17 | 20 | 2 | 45 % | 89 % |
| 43 | Variation Count in Top 30KB Relevancy | -0.17 | 4421 | 30 | 66 % | 86 % |
| 44 | Number of Images with ALT Text Size | -0.17 | 105 | 20 | 74 % | 89 % |
| 45 | Number of HTML Tags Size | -0.17 | 3192 | 1192 | 85 % | 87 % |
| 46 | Clean Keyword Density in the HTML Tag Relevancy | -0.17 | 150 | 4 | 69 % | 79 % |
| 47 | Variations in Meta Description Relevancy | -0.17 | 43 | 2 | 52 % | 85 % |
| 48 | Word Count Size | -0.17 | 4259 | 1392 | 85 % | 86 % |
| 49 | Number of P Tags Size | -0.17 | 122 | 36 | 77 % | 89 % |
| 50 | Unabridged Word Count Size | -0.17 | 4792 | 1753 | 85 % | 87 % |
| 51 | Variations in H2 Tags Relevancy | -0.17 | 68 | 3 | 43 % | 86 % |
| 52 | Variations in ALT Attributes Relevancy | -0.17 | 410 | 6 | 43 % | 83 % |
| 53 | Entities in Meta Description Tag Relevancy | -0.17 | 11 | 3 | 59 % | 89 % |
| 54 | Variations in the Canonical URL Relevancy | -0.17 | 48 | 2 | 48 % | 84 % |
| 55 | Number of Forms Technology | -0.17 | 14 | 3 | 58 % | 81 % |
| 56 | Variations in Span Tags Relevancy | -0.17 | 1081 | 10 | 50 % | 87 % |
| 57 | Variations in Nav Tags Relevancy | -0.17 | 13185 | 46 | 47 % | 84 % |
| 58 | Clean Text Kilobytes Size | -0.17 | 112 | 12 | 78 % | 88 % |
| 59 | Variations in A Tag HREF Attributes Relevancy | -0.16 | 3801 | 47 | 57 % | 88 % |
| 60 | Exact Matches in H1-H6 Tags Relevancy | -0.16 | 9 | 1 | 22 % | 84 % |
| 61 | Variations in Search Result URL Relevancy | -0.16 | 22 | 1 | 51 % | 80 % |
| 62 | LSI Words in H1 Tags Relevancy | -0.16 | 14 | 4 | 62 % | 92 % |
| 63 | TF/IDF Relevancy | -0.16 | 1 | 1 | 57 % | 86 % |
| 64 | Variations in Distinct A Tag HREF Attributes Relevancy | -0.16 | 2118 | 30 | 58 % | 89 % |
| 65 | Has Entities in H1 Tags Relevancy | -0.16 | 1 | 1 | 60 % | 89 % |
| 66 | Number of Heading Tags Size | -0.16 | 53 | 21 | 78 % | 87 % |
| 67 | Number of HTTPS Links Authority | -0.16 | 463 | 169 | 82 % | 87 % |
| 68 | Number of DoFollow Links Authority | -0.16 | 450 | 166 | 82 % | 87 % |
| 69 | Entities in H3 Tags | -0.16 | 23 | 6 | 44 % | 92 % |
| 70 | Number of Internal Links Authority | -0.16 | 435 | 156 | 82 % | 87 % |
| 71 | Number of Links Authority | -0.16 | 464 | 170 | 82 % | 87 % |
| 72 | Leading Variations in H1 Tags Relevancy | -0.16 | 1 | 1 | 29 % | 82 % |
| 73 | Percentage of DoFollow Internal Links Authority | -0.16 | 93 | 76 | 81 % | 86 % |
| 74 | Leading Variations in Title Tag Relevancy | -0.16 | 1 | 1 | 32 % | 80 % |
| 75 | Variations in Main Tags Relevancy | -0.16 | 25439 | 88 | 37 % | 89 % |
| 76 | Exact Matches in Top 30KB Relevancy | -0.16 | 29 | 2 | 20 % | 78 % |
| 77 | Percentage of DoFollow Links Authority | -0.16 | 100 | 86 | 82 % | 92 % |
| 78 | Variation Density in Top 30KB Relevancy | -0.16 | 247 | 3 | 59 % | 80 % |
| 79 | Exact Matches in Title Tag Relevancy | -0.16 | 2 | 1 | 20 % | 82 % |
| 80 | Variations in First 100 Words Relevancy | -0.16 | 152 | 6 | 62 % | 83 % |
| 81 | Exact Matches in Sentences Relevancy | -0.16 | 42 | 3 | 24 % | 84 % |
| 82 | Uses Microdata WPAdBlock Other | -0.15 | 1 | 1 | 1 % | 16 % |
| 83 | Uses Schema wpadblock Other | -0.15 | 1 | 1 | 1 % | 16 % |
| 84 | Number of HTML Comments Size | -0.15 | 981 | 45 | 75 % | 87 % |
| 85 | Search Result Number of Dirs in Path Other | -0.15 | 3 | 2 | 75 % | 73 % |
| 86 | Number of H1 Tags Size | -0.15 | 4 | 2 | 73 % | 89 % |
| 87 | Title Tag Has Entities Relevancy | -0.15 | 1 | 1 | 71 % | 88 % |
| 88 | Number of DoFollow External Links Authority | -0.15 | 55 | 13 | 78 % | 86 % |
| 89 | Variations in Absolute URLs Relevancy | -0.15 | 8847 | 72 | 58 % | 86 % |
| 90 | Number of External Links Authority | -0.15 | 73 | 15 | 79 % | 86 % |
| 91 | LSI Words in Meta Description Tag Relevancy | -0.15 | 42 | 11 | 59 % | 91 % |
| 92 | Variations in OpenGraph Title Relevancy | -0.15 | 9 | 1 | 50 % | 79 % |
| 93 | Uses JSON-LD itemReviewed | -0.15 | 1 | 1 | 2 % | 15 % |
| 94 | Variations in Script Tags Relevancy | -0.15 | 48815 | 175 | 61 % | 85 % |
| 95 | Number of H2 Tags Size | -0.15 | 18 | 7 | 68 % | 85 % |
| 96 | Variations in Footer Tags Relevancy | -0.15 | 3975 | 13 | 35 % | 82 % |
| 97 | Variations in OpenGraph Description Relevancy | -0.15 | 97 | 2 | 45 % | 80 % |
| 98 | LSI Words in H2 Tags Relevancy | -0.14 | 80 | 19 | 57 % | 92 % |
| 99 | Variations making whole H1-H6 Tags Relevancy | -0.14 | 2 | 1 | 19 % | 78 % |
| 100 | Flesch Kincaid Reading Grade Level Other | -0.14 | 7 | 2 | 92 % | 88 % |
| 101 | Has Privacy Policy Trust | -0.14 | 1 | 1 | 59 % | 72 % |
| 102 | Variations in H3 Tags Relevancy | -0.14 | 96 | 3 | 31 % | 82 % |
| 103 | Has Form Technology | -0.14 | 1 | 1 | 57 % | 78 % |
| 104 | Exact Matches in H1 Tags Relevancy | -0.14 | 2 | 1 | 15 % | 84 % |
| 105 | Has Meta Charset Technology | -0.14 | 1 | 1 | 77 % | 84 % |
| 106 | Variations making whole H1, H2, and H3 Tags Relevancy | -0.14 | 1 | 1 | 17 % | 78 % |
| 107 | Variations in TITLE Attributes Relevancy | -0.14 | 345 | 7 | 38 % | 82 % |
| 108 | Number of Sentences Size | -0.14 | 622 | 122 | 84 % | 83 % |
| 109 | Is Store Page Other | -0.14 | 1 | 1 | 53 % | 70 % |
| 110 | Leading Variations in H2 Tags Relevancy | -0.14 | 8 | 1 | 21 % | 83 % |
| 111 | Has Entities in H2 Tags Relevancy | -0.14 | 1 | 1 | 53 % | 85 % |
| 112 | Variations Making Whole Span Tags Relevancy | -0.14 | 4 | 1 | 21 % | 82 % |
| 113 | Variations in Section Tags Relevancy | -0.14 | 1560 | 17 | 34 % | 82 % |
| 114 | Average Words Per Sentence Size | -0.14 | 166 | 32 | 81 % | 82 % |
| 115 | Number of H3 Tags Size | -0.14 | 23 | 8 | 60 % | 82 % |
| 116 | Has Canonical URL Authority | -0.14 | 1 | 1 | 73 % | 78 % |
| 117 | Meta Description Tag Has Entities Relevancy | -0.14 | 1 | 1 | 59 % | 81 % |
| 118 | Number of Questions In Headings Size | -0.14 | 7 | 2 | 34 % | 79 % |
| 119 | Has FavIcon Technology | -0.14 | 1 | 1 | 77 % | 80 % |
| 120 | Variations in Strong Tags Relevancy | -0.14 | 95 | 2 | 24 % | 82 % |
| 121 | Search Result Uses HTTPS Other | -0.13 | 1 | 1 | 85 % | 84 % |
| 122 | Number of Images without ALT Text Size | -0.13 | 59 | 10 | 58 % | 79 % |
| 123 | Has Meta Viewport Technology | -0.13 | 1 | 1 | 83 % | 83 % |
| 124 | Entities in H4 Tags | -0.13 | 10 | 2 | 22 % | 86 % |
| 125 | Title Word Count Size | -0.13 | 13 | 8 | 83 % | 78 % |
| 126 | Has Meta Description Relevancy | -0.13 | 1 | 1 | 67 % | 80 % |
| 127 | Number of Facebook Pages Authority | -0.13 | 9 | 2 | 62 % | 77 % |
| 128 | Number Of JSON-LD Types Relevancy | -0.13 | 146 | 13 | 56 % | 74 % |
| 129 | Number of Absolute URLs Authority | -0.13 | 1149 | 285 | 84 % | 78 % |
| 130 | Variations making whole H1 Tags Relevancy | -0.13 | 1 | 1 | 12 % | 79 % |
| 131 | Title Length Size | -0.13 | 93 | 50 | 84 % | 80 % |
| 132 | Search Result Domain Length Size | -0.13 | 26 | 17 | 85 % | 77 % |
| 133 | Search Result Host Length Size | -0.13 | 26 | 17 | 85 % | 77 % |
| 134 | Number of Includes Technology | -0.13 | 48 | 27 | 83 % | 72 % |
| 135 | Variations Making Whole LI Tags Relevancy | -0.13 | 4 | 1 | 25 % | 78 % |
| 136 | Uses Schema image Other | -0.13 | 1 | 1 | 22 % | 68 % |
| 137 | Number of H4 Tags Size | -0.13 | 16 | 4 | 38 % | 80 % |
| 138 | Is Home Page Other | -0.13 | 1 | 1 | 19 % | 41 % |
| 139 | Number of Prices Size | -0.13 | 387 | 65 | 69 % | 82 % |
| 140 | Has Entities in H3 Tags Relevancy | -0.13 | 1 | 1 | 45 % | 80 % |
| 141 | Uses Schema sku Other | -0.13 | 1 | 1 | 7 % | 42 % |
| 142 | Percentage of DoFollow External Links Authority | -0.13 | 27 | 11 | 76 % | 79 % |
| 143 | Has JSON-LD Schema Markup Relevancy | -0.13 | 1 | 1 | 54 % | 68 % |
| 144 | Exact Matches in H2 Tags Relevancy | -0.13 | 4 | 1 | 12 % | 83 % |
| 145 | Variations making whole A Tags Relevancy | -0.13 | 111 | 2 | 28 % | 73 % |
| 146 | LSI Words in H3 Tags Relevancy | -0.13 | 78 | 19 | 49 % | 89 % |
| 147 | Page Size Kilobytes Size | -0.13 | 848 | 311 | 84 % | 75 % |
| 148 | Word Count in Meta Description Size | -0.13 | 48 | 20 | 68 % | 78 % |
| 149 | Uses Schema name Other | -0.13 | 1 | 1 | 61 % | 69 % |
| 150 | Has Contact Page Trust | -0.13 | 1 | 1 | 63 % | 70 % |
| 151 | Uses JSON-LD sku Other | -0.13 | 1 | 1 | 6 % | 41 % |
| 152 | Headings Has Question Other | -0.13 | 1 | 1 | 34 % | 73 % |
| 153 | Number of Questions In H2 Tags Size | -0.13 | 4 | 1 | 21 % | 78 % |
| 154 | Meta Description Length Size | -0.13 | 309 | 123 | 68 % | 79 % |
| 155 | Number of Questions Size | -0.12 | 82 | 10 | 69 % | 78 % |
| 156 | Uses Schema itemreviewed Other | -0.12 | 1 | 1 | 3 % | 23 % |
| 157 | Number of JavaScript Includes Technology | -0.12 | 38 | 17 | 82 % | 73 % |
| 158 | Exact Matches in Meta Description Relevancy | -0.12 | 2 | 1 | 13 % | 84 % |
| 159 | Has Schema Markup Relevancy | -0.12 | 1 | 1 | 65 % | 72 % |
| 160 | Number of Social Pages Authority | -0.12 | 16 | 4 | 66 % | 78 % |
| 161 | Is Purchase Page Other | -0.12 | 1 | 1 | 45 % | 69 % |
| 162 | Number of Social Accounts Authority | -0.12 | 8 | 2 | 42 % | 78 % |
| 163 | Number of CSS Includes Technology | -0.12 | 20 | 10 | 76 % | 73 % |
| 164 | Number of Email Addresses Trust | -0.12 | 72 | 5 | 45 % | 81 % |
| 165 | Uses Schema aggregaterating Other | -0.12 | 1 | 1 | 10 % | 65 % |
| 166 | Number of LinkedIn Pages Authority | -0.12 | 4 | 1 | 28 % | 70 % |
| 167 | Has Meta Robots Other | -0.12 | 1 | 1 | 29 % | 69 % |
| 168 | Number of Instagram Pages Authority | -0.12 | 16 | 2 | 49 % | 76 % |
| 169 | Search Result URL Length Size | -0.12 | 89 | 61 | 97 % | 55 % |
| 170 | Uses Schema gtin13 Other | -0.12 | 1 | 1 | 3 % | 16 % |
| 171 | Number of Facebook Accounts Authority | -0.12 | 7 | 1 | 29 % | 75 % |
| 172 | Uses JSON-LD name Other | -0.12 | 1 | 1 | 53 % | 69 % |
| 173 | Inline CSS Kilobytes Size | -0.12 | 194 | 57 | 64 % | 66 % |
| 174 | Uses Schema cssselector Other | -0.12 | 1 | 1 | 1 % | 11 % |
| 175 | Uses JSON-LD image Other | -0.12 | 1 | 1 | 16 % | 71 % |
| 176 | Uses Schema ratingvalue Other | -0.12 | 1 | 1 | 9 % | 62 % |
| 177 | Uses Schema availability Other | -0.12 | 1 | 1 | 9 % | 49 % |
| 178 | Uses JSON-LD BreadcrumbList Other | -0.12 | 1 | 1 | 35 % | 63 % |
| 179 | Uses JSON-LD ListItem Other | -0.12 | 1 | 1 | 35 % | 66 % |
| 180 | Number of Nofollow Links Authority | -0.12 | 23 | 5 | 27 % | 76 % |
| 181 | LSI Words in H4 Tags Relevancy | -0.12 | 65 | 7 | 30 % | 85 % |
| 182 | Uses JSON-LD itemCondition Other | -0.12 | 1 | 1 | 4 % | 32 % |
| 183 | Variations in H4-H6 Tags Relevancy | -0.12 | 21 | 1 | 15 % | 76 % |
| 184 | Uses Microdata sku Other | -0.12 | 1 | 1 | 4 % | 16 % |
| 185 | Variations in Button Tags Relevancy | -0.12 | 4270 | 9 | 8 % | 82 % |
| 186 | Variations in I Tags Relevancy | -0.12 | 93 | 4 | 25 % | 78 % |
| 187 | Has OpenGraph Type Relevancy | -0.12 | 1 | 1 | 61 % | 70 % |
| 188 | Inline JavaScript Kilobytes Size | -0.12 | 447 | 103 | 82 % | 74 % |
| 189 | Number of US Phone Numbers Trust | -0.11 | 670 | 12 | 35 % | 76 % |
| 190 | Uses Schema organization Other | -0.11 | 1 | 1 | 36 % | 66 % |
| 191 | Is Pagination Page Other | -0.11 | 1 | 1 | 19 % | 61 % |
| 192 | Search Result Summary Length Size | -0.11 | 162 | 152 | 96 % | 63 % |
| 193 | Uses Microdata name Other | -0.11 | 1 | 1 | 16 % | 55 % |
| 194 | Uses Schema pricecurrency Other | -0.11 | 1 | 1 | 11 % | 51 % |
| 195 | Has Terms of Service Trust | -0.11 | 1 | 1 | 31 % | 59 % |
| 196 | Uses Schema listitem Other | -0.11 | 1 | 1 | 43 % | 64 % |
| 197 | Uses Schema product Other | -0.11 | 1 | 1 | 11 % | 55 % |
| 198 | Variations Making Whole Strong Tags Relevancy | -0.11 | 5 | 1 | 6 % | 77 % |
| 199 | Is OpenGraph Type Article Technology | -0.11 | 1 | 1 | 32 % | 47 % |
| 200 | Variations in Figure Tags Relevancy | -0.11 | 524 | 5 | 10 % | 77 % |