[ Ahrefs, SEMRush, DomDetailer, SpyFu APIs ]
[ Wappalyzer API ]
SEO Factor ClassSize ( 54484 )Relevancy ( 54123 ) Other ( 33278 ) 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 ( 33224 ) 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 | -0.24 | 5087 | 1525 | 81 % | 87 % |
| 2 | Number of Top 50 Shared Factors Used Diversity | -0.23 | 15 | 12 | 91 % | 91 % |
| 3 | Number of Unique LSI Words Used Diversity | -0.23 | 897 | 339 | 79 % | 91 % |
| 4 | Search Result Domain is .com, .net, or .org Other | -0.22 | 1 | 1 | 6 % | 84 % |
| 5 | Variations in H1, H2, and H3 Tags Relevancy | -0.22 | 14 | 6 | 57 % | 86 % |
| 6 | Search Result Domain is .com Other | -0.22 | 1 | 1 | 6 % | 81 % |
| 7 | Number of Top 100 Shared Factors Used Diversity | -0.22 | 37 | 29 | 92 % | 95 % |
| 8 | Variations in H1-H6 Tags Relevancy | -0.21 | 20 | 7 | 58 % | 85 % |
| 9 | Number of Top 200 Shared Factors Used Diversity | -0.21 | 50 | 38 | 92 % | 96 % |
| 10 | Variations in H1 and H2 Tags Relevancy | -0.21 | 9 | 4 | 54 % | 88 % |
| 11 | Variations in Body Tags Relevancy | -0.21 | 672 | 217 | 73 % | 91 % |
| 12 | Number of Unique Variations Used Diversity | -0.21 | 20 | 7 | 77 % | 89 % |
| 13 | Variations in HTML Tags Relevancy | -0.21 | 672 | 215 | 72 % | 92 % |
| 14 | Entities in Title Tag Relevancy | -0.2 | 7 | 3 | 62 % | 91 % |
| 15 | LSI Words in Title Tag Relevancy | -0.2 | 14 | 7 | 72 % | 91 % |
| 16 | LSI Words in H1 Tags Relevancy | -0.2 | 14 | 5 | 57 % | 92 % |
| 17 | Variations in Search Result Document File Name Relevancy | -0.2 | 3 | 1 | 40 % | 87 % |
| 18 | Number of Factors Used Diversity | -0.2 | 257 | 177 | 92 % | 92 % |
| 19 | LSI Words in Sentences Relevancy | -0.2 | 3033 | 916 | 65 % | 97 % |
| 20 | Leading Variations in H1-H6 Tags Relevancy | -0.19 | 5 | 2 | 36 % | 86 % |
| 21 | Number of Distinct Entities Used Diversity | -0.19 | 53 | 29 | 72 % | 96 % |
| 22 | Variations in H1 Tags Relevancy | -0.19 | 3 | 1 | 48 % | 87 % |
| 23 | Entities in H1 Tags | -0.19 | 5 | 2 | 50 % | 91 % |
| 24 | Variations in the Canonical URL Relevancy | -0.19 | 6 | 2 | 43 % | 87 % |
| 25 | Variations in Div Tags Relevancy | -0.19 | 343 | 108 | 69 % | 93 % |
| 26 | Variations in P Tags Relevancy | -0.19 | 200 | 28 | 57 % | 92 % |
| 27 | Variations in Search Result Display URL Relevancy | -0.19 | 3 | 2 | 72 % | 78 % |
| 28 | Variations in Search Result Link Text Relevancy | -0.19 | 3 | 2 | 72 % | 78 % |
| 29 | Leading Variations in H1, H2, and H3 Tags Relevancy | -0.19 | 4 | 1 | 34 % | 87 % |
| 30 | Term Frequency Relevancy | -0.19 | 4 | 3 | 73 % | 90 % |
| 31 | Variations in Search Result URL Path Relevancy | -0.18 | 3 | 1 | 42 % | 85 % |
| 32 | Variations in A Tags Relevancy | -0.18 | 74 | 21 | 56 % | 89 % |
| 33 | Variations in the Title Tag Relevancy | -0.18 | 3 | 2 | 62 % | 87 % |
| 34 | Variations in LI Tags Relevancy | -0.18 | 58 | 18 | 58 % | 92 % |
| 35 | Word Count Size | -0.18 | 2849 | 1487 | 81 % | 88 % |
| 36 | Number of Images with ALT Text Size | -0.18 | 77 | 20 | 63 % | 87 % |
| 37 | Number of HTML Tags Size | -0.18 | 2647 | 1017 | 80 % | 84 % |
| 38 | Variation Count in Top 30KB Relevancy | -0.18 | 81 | 18 | 58 % | 84 % |
| 39 | Number of Heading Tags Size | -0.18 | 51 | 21 | 67 % | 86 % |
| 40 | Unabridged Word Count Size | -0.18 | 3483 | 1893 | 81 % | 89 % |
| 41 | Variations in A Tag HREF Attributes Relevancy | -0.18 | 157 | 42 | 52 % | 91 % |
| 42 | Number of P Tags Size | -0.18 | 93 | 41 | 65 % | 88 % |
| 43 | Number of H2 Tags Size | -0.18 | 13 | 7 | 60 % | 89 % |
| 44 | Clean Text Kilobytes Size | -0.17 | 27 | 13 | 66 % | 88 % |
| 45 | Variations in Sentences Relevancy | -0.17 | 172 | 33 | 65 % | 93 % |
| 46 | Entities in the HTML Tag Relevancy | -0.17 | 451 | 166 | 66 % | 99 % |
| 47 | Entities in Sentences Relevancy | -0.17 | 449 | 164 | 61 % | 99 % |
| 48 | Variations in Absolute URLs Relevancy | -0.17 | 208 | 57 | 52 % | 92 % |
| 49 | Variations in Distinct A Tag HREF Attributes Relevancy | -0.17 | 116 | 27 | 51 % | 91 % |
| 50 | Number of HTTPS Links Authority | -0.17 | 408 | 136 | 73 % | 89 % |
| 51 | Entities in H2 Tags | -0.17 | 27 | 8 | 47 % | 95 % |
| 52 | Variations in Span Tags Relevancy | -0.17 | 24 | 9 | 45 % | 86 % |
| 53 | Number of Links Authority | -0.17 | 408 | 138 | 74 % | 89 % |
| 54 | Variations in ALT Attributes Relevancy | -0.17 | 53 | 7 | 42 % | 86 % |
| 55 | Number of DoFollow Links Authority | -0.17 | 402 | 134 | 74 % | 89 % |
| 56 | Number of Referring Domains Authority | -0.17 | 577 | 83 | 45 % | 75 % |
| 57 | Number of Backlinks Authority | -0.17 | 1945422 | 46900 | 45 % | 79 % |
| 58 | Variations in OpenGraph Title Relevancy | -0.17 | 2 | 1 | 51 % | 80 % |
| 59 | Number of Internal Links Authority | -0.17 | 399 | 123 | 72 % | 87 % |
| 60 | Variations in H2 Tags Relevancy | -0.17 | 8 | 3 | 38 % | 88 % |
| 61 | Number of Do Follow Backlinks Authority | -0.17 | 1945374 | 45261 | 41 % | 75 % |
| 62 | Variations in Meta Description Relevancy | -0.17 | 4 | 2 | 51 % | 82 % |
| 63 | Variations in First 100 Words Relevancy | -0.17 | 17 | 5 | 60 % | 87 % |
| 64 | TF/IDF Relevancy | -0.17 | 1 | 1 | 52 % | 88 % |
| 65 | Variations in Search Result URL Relevancy | -0.17 | 3 | 1 | 47 % | 84 % |
| 66 | LSI Words in Meta Description Tag Relevancy | -0.17 | 23 | 12 | 60 % | 91 % |
| 67 | Number of Images Size | -0.17 | 103 | 28 | 67 % | 88 % |
| 68 | LSI Words in H2 Tags Relevancy | -0.17 | 75 | 25 | 55 % | 95 % |
| 69 | Variations in OpenGraph Description Relevancy | -0.16 | 3 | 2 | 44 % | 77 % |
| 70 | Variations in Script Tags Relevancy | -0.16 | 477 | 66 | 58 % | 81 % |
| 71 | Number of Forms Technology | -0.16 | 8 | 2 | 48 % | 70 % |
| 72 | Leading Variations in Title Tag Relevancy | -0.16 | 1 | 1 | 24 % | 82 % |
| 73 | Entities in H3 Tags | -0.16 | 20 | 7 | 39 % | 95 % |
| 74 | Number of No Follow Backlinks Authority | -0.16 | 328486 | 3959 | 37 % | 68 % |
| 75 | Variations in Main Tags Relevancy | -0.16 | 171 | 52 | 33 % | 88 % |
| 76 | Exact Matches in the HTML Tag Relevancy | -0.16 | 187 | 13 | 32 % | 86 % |
| 77 | Number of External Links Authority | -0.16 | 30 | 15 | 71 % | 88 % |
| 78 | Number of DoFollow External Links Authority | -0.16 | 29 | 13 | 71 % | 86 % |
| 79 | Clean Keyword Density in the HTML Tag Relevancy | -0.16 | 7 | 3 | 64 % | 78 % |
| 80 | Variations in Nav Tags Relevancy | -0.16 | 128 | 25 | 41 % | 90 % |
| 81 | Variation Density in Top 30KB Relevancy | -0.16 | 7 | 2 | 55 % | 86 % |
| 82 | Number of US Phone Numbers Trust | -0.16 | 89 | 13 | 45 % | 86 % |
| 83 | Number of H1 Tags Size | -0.16 | 2 | 1 | 63 % | 88 % |
| 84 | Average Words Per Sentence Size | -0.16 | 122 | 31 | 70 % | 81 % |
| 85 | Number of H3 Tags Size | -0.16 | 15 | 8 | 51 % | 82 % |
| 86 | LSI Words in H3 Tags Relevancy | -0.16 | 63 | 25 | 47 % | 87 % |
| 87 | Number of CSS Includes Technology | -0.16 | 17 | 9 | 68 % | 74 % |
| 88 | Number of Facebook Pages Authority | -0.16 | 6 | 2 | 53 % | 86 % |
| 89 | Number of Includes Technology | -0.15 | 49 | 26 | 76 % | 74 % |
| 90 | Has US Phone Number Trust | -0.15 | 1 | 1 | 43 % | 80 % |
| 91 | Number Of JSON-LD Types Relevancy | -0.15 | 54 | 15 | 50 % | 88 % |
| 92 | Has Form Technology | -0.15 | 1 | 1 | 48 % | 74 % |
| 93 | Entities in Meta Description Tag Relevancy | -0.15 | 8 | 4 | 55 % | 87 % |
| 94 | Number of HTML Comments Size | -0.15 | 188 | 45 | 62 % | 81 % |
| 95 | Leading Variations in H1 Tags Relevancy | -0.15 | 1 | 1 | 20 % | 87 % |
| 96 | Variations in Section Tags Relevancy | -0.15 | 41 | 15 | 33 % | 85 % |
| 97 | Percentage of DoFollow Links Authority | -0.15 | 98 | 80 | 74 % | 86 % |
| 98 | Variations in H3 Tags Relevancy | -0.15 | 9 | 3 | 29 % | 84 % |
| 99 | Has JSON-LD Schema Markup Relevancy | -0.15 | 1 | 1 | 49 % | 86 % |
| 100 | Number of H4 Tags Size | -0.15 | 27 | 4 | 31 % | 80 % |
| 101 | Has Entities in H2 Tags Relevancy | -0.15 | 1 | 1 | 47 % | 89 % |
| 102 | Uses Schema product Other | -0.15 | 1 | 1 | 9 % | 51 % |
| 103 | Search Result Uses HTTPS Other | -0.15 | 1 | 1 | 80 % | 79 % |
| 104 | Flesch Kincaid Reading Grade Level Other | -0.15 | 6 | 2 | 88 % | 85 % |
| 105 | Uses JSON-LD name Other | -0.15 | 1 | 1 | 48 % | 81 % |
| 106 | Number of Sentences Size | -0.15 | 527 | 143 | 78 % | 85 % |
| 107 | Has Entities in H1 Tags Relevancy | -0.14 | 1 | 1 | 50 % | 91 % |
| 108 | Has Privacy Policy Trust | -0.14 | 1 | 1 | 56 % | 78 % |
| 109 | Search Result Number of Dirs in Path Other | -0.14 | 3 | 2 | 73 % | 80 % |
| 110 | Has Canonical URL Authority | -0.14 | 1 | 1 | 67 % | 80 % |
| 111 | Percentage of DoFollow Internal Links Authority | -0.14 | 87 | 70 | 73 % | 86 % |
| 112 | Number of Absolute URLs Authority | -0.14 | 927 | 282 | 79 % | 79 % |
| 113 | Has Meta Twitter Card Authority | -0.14 | 1 | 1 | 47 % | 58 % |
| 114 | Exact Matches in Sentences Relevancy | -0.14 | 35 | 4 | 22 % | 86 % |
| 115 | Has Meta Robots Other | -0.14 | 1 | 1 | 20 % | 77 % |
| 116 | Uses JSON-LD description Other | -0.14 | 1 | 1 | 40 % | 69 % |
| 117 | Number of Questions In Headings Size | -0.14 | 6 | 2 | 33 % | 85 % |
| 118 | Entities in H4 Tags | -0.14 | 13 | 3 | 18 % | 87 % |
| 119 | Word Count in Meta Description Size | -0.14 | 32 | 20 | 65 % | 70 % |
| 120 | Number of Images without ALT Text Size | -0.14 | 30 | 8 | 52 % | 84 % |
| 121 | Has Schema Markup Relevancy | -0.14 | 1 | 1 | 59 % | 73 % |
| 122 | Exact Matches in H1-H6 Tags Relevancy | -0.14 | 7 | 1 | 21 % | 86 % |
| 123 | Meta Description Length Size | -0.14 | 196 | 120 | 65 % | 70 % |
| 124 | Title Length Size | -0.14 | 80 | 54 | 78 % | 68 % |
| 125 | Leading Variations in H2 Tags Relevancy | -0.14 | 3 | 1 | 17 % | 84 % |
| 126 | Variations in Meta Twitter Content Relevancy | -0.14 | 2 | 1 | 24 % | 64 % |
| 127 | Has Google Verify Technology | -0.14 | 1 | 1 | 18 % | 66 % |
| 128 | Uses JSON-LD url Other | -0.14 | 1 | 1 | 43 % | 77 % |
| 129 | Variations in Footer Tags Relevancy | -0.14 | 25 | 7 | 33 % | 87 % |
| 130 | Variations in TITLE Attributes Relevancy | -0.14 | 37 | 6 | 35 % | 75 % |
| 131 | Uses JSON-LD Product Other | -0.13 | 1 | 1 | 8 % | 53 % |
| 132 | Has Contact Page Trust | -0.13 | 1 | 1 | 63 % | 71 % |
| 133 | Title Word Count Size | -0.13 | 12 | 9 | 79 % | 73 % |
| 134 | Title Tag Has Entities Relevancy | -0.13 | 1 | 1 | 61 % | 87 % |
| 135 | Number of Nofollow Links Authority | -0.13 | 18 | 4 | 22 % | 84 % |
| 136 | Search Result Domain Length Size | -0.13 | 22 | 17 | 81 % | 78 % |
| 137 | Search Result Host Length Size | -0.13 | 22 | 17 | 81 % | 78 % |
| 138 | Uses JSON-LD MerchantReturnPolicy Other | -0.13 | 1 | 1 | 3 % | 14 % |
| 139 | Uses Schema merchantreturnpolicy Other | -0.13 | 1 | 1 | 3 % | 14 % |
| 140 | LSI Words in H4 Tags Relevancy | -0.13 | 53 | 8 | 27 % | 85 % |
| 141 | Variations Making Whole Span Tags Relevancy | -0.13 | 3 | 1 | 14 % | 86 % |
| 142 | Has Meta Charset Technology | -0.13 | 1 | 1 | 65 % | 84 % |
| 143 | Number of Questions Size | -0.13 | 35 | 12 | 63 % | 76 % |
| 144 | Number of JavaScript Includes Technology | -0.13 | 40 | 18 | 75 % | 75 % |
| 145 | Is Home Page Other | -0.13 | 1 | 1 | 12 % | 43 % |
| 146 | Percentage of NoFollow Links Authority | -0.13 | 7 | 2 | 20 % | 80 % |
| 147 | Uses Schema name Other | -0.13 | 1 | 1 | 57 % | 73 % |
| 148 | Variations in Strong Tags Relevancy | -0.13 | 9 | 2 | 24 % | 79 % |
| 149 | Has Entities in H3 Tags Relevancy | -0.13 | 1 | 1 | 39 % | 86 % |
| 150 | Uses Schema description Other | -0.13 | 1 | 1 | 46 % | 65 % |
| 151 | Variations in Meta Twitter Description Relevancy | -0.13 | 2 | 1 | 22 % | 73 % |
| 152 | Uses Schema url Other | -0.13 | 1 | 1 | 53 % | 67 % |
| 153 | Variations Making Whole LI Tags Relevancy | -0.13 | 2 | 1 | 18 % | 77 % |
| 154 | Exact Matches in Title Tag Relevancy | -0.13 | 2 | 1 | 18 % | 84 % |
| 155 | Number of Facebook Accounts Authority | -0.13 | 3 | 1 | 26 % | 77 % |
| 156 | Percentage of DoFollow External Links Authority | -0.13 | 20 | 12 | 70 % | 77 % |
| 157 | Has OpenGraph Type Relevancy | -0.13 | 1 | 1 | 58 % | 66 % |
| 158 | Variations in Figure Tags Relevancy | -0.13 | 44 | 6 | 11 % | 81 % |
| 159 | Uses JSON-LD BreadcrumbList Other | -0.13 | 1 | 1 | 31 % | 85 % |
| 160 | Number of LinkedIn Pages Authority | -0.13 | 2 | 1 | 29 % | 79 % |
| 161 | Uses Schema person Other | -0.13 | 1 | 1 | 26 % | 40 % |
| 162 | Exact Matches in Top 30KB Relevancy | -0.13 | 8 | 2 | 17 % | 79 % |
| 163 | Uses JSON-LD ListItem Other | -0.13 | 1 | 1 | 31 % | 85 % |
| 164 | Number of Social Accounts Authority | -0.13 | 7 | 2 | 39 % | 89 % |
| 165 | Uses Schema localbusiness Other | -0.13 | 1 | 1 | 7 % | 53 % |
| 166 | Inline CSS Kilobytes Size | -0.13 | 122 | 61 | 64 % | 84 % |
| 167 | Has Meta Viewport Technology | -0.13 | 1 | 1 | 77 % | 78 % |
| 168 | Headings Has Question Other | -0.13 | 1 | 1 | 33 % | 88 % |
| 169 | Uses Schema listitem Other | -0.13 | 1 | 1 | 40 % | 70 % |
| 170 | Uses Schema pricecurrency Other | -0.13 | 1 | 1 | 6 % | 53 % |
| 171 | Uses Schema pricespecification Other | -0.13 | 1 | 1 | 1 % | 19 % |
| 172 | Variations making whole H1-H6 Tags Relevancy | -0.13 | 1 | 1 | 11 % | 75 % |
| 173 | Uses Schema website Other | -0.13 | 1 | 1 | 28 % | 59 % |
| 174 | Percentage of NoFollow Internal Links Authority | -0.13 | 5 | 1 | 12 % | 77 % |
| 175 | Uses JSON-LD datePublished Other | -0.13 | 1 | 1 | 30 % | 63 % |
| 176 | Uses JSON-LD Thing Other | -0.13 | 1 | 1 | 3 % | 42 % |
| 177 | Variations in Button Tags Relevancy | -0.13 | 17 | 2 | 9 % | 78 % |
| 178 | Uses Schema availability Other | -0.13 | 1 | 1 | 4 % | 48 % |
| 179 | Has Meta Description Relevancy | -0.13 | 1 | 1 | 64 % | 75 % |
| 180 | Has Entities in H4 Tags Relevancy | -0.12 | 1 | 1 | 18 % | 81 % |
| 181 | Variations in the last 100 words Relevancy | -0.12 | 9 | 3 | 40 % | 80 % |
| 182 | Percentage of NoFollow External Links Authority | -0.12 | 7 | 2 | 14 % | 71 % |
| 183 | Variations in I Tags Relevancy | -0.12 | 10 | 3 | 19 % | 79 % |
| 184 | Uses Schema item Other | -0.12 | 1 | 1 | 29 % | 56 % |
| 185 | Leading Variations in H3 Tags Relevancy | -0.12 | 2 | 1 | 12 % | 79 % |
| 186 | Uses Schema offer Other | -0.12 | 1 | 1 | 7 % | 59 % |
| 187 | Uses Schema breadcrumblist Other | -0.12 | 1 | 1 | 40 % | 71 % |
| 188 | Number of NoFollow External Links Authority | -0.12 | 13 | 2 | 16 % | 78 % |
| 189 | Number of Questions In H2 Tags Size | -0.12 | 4 | 1 | 23 % | 81 % |
| 190 | Number Of Claimed Brands Other | -0.12 | 15 | 3 | 24 % | 80 % |
| 191 | Uses RDFa BreadcrumbList Other | -0.12 | 1 | 1 | 2 % | 12 % |
| 192 | Number of Email Addresses Trust | -0.12 | 58 | 5 | 36 % | 80 % |
| 193 | Uses JSON-LD dateModified Other | -0.12 | 1 | 1 | 27 % | 64 % |
| 194 | Variations in H4-H6 Tags Relevancy | -0.12 | 9 | 1 | 15 % | 81 % |
| 195 | Variations in B Tags Relevancy | -0.12 | 19 | 2 | 11 % | 75 % |
| 196 | Variations in H4 Tags Relevancy | -0.12 | 7 | 1 | 11 % | 81 % |
| 197 | Variations in ID Attributes Relevancy | -0.12 | 7 | 1 | 10 % | 84 % |
| 198 | Number of YouTube Accounts Technology | -0.12 | 2 | 1 | 9 % | 73 % |
| 199 | Uses JSON-LD inLanguage Other | -0.12 | 1 | 1 | 25 % | 65 % |
| 200 | Has OpenGraph Image Relevancy | -0.12 | 1 | 1 | 53 % | 63 % |