[ Ahrefs, SEMRush, DomDetailer, SpyFu APIs ]
[ Wappalyzer API ]
SEO Factor ClassSize ( 54333 )Relevancy ( 53940 ) Other ( 32632 ) Local ( 8985 ) 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 ( 54329 )Keywords ( 41842 ) Schema ( 32578 ) Local ( 8986 ) 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 | 551 | 290 | 78 % | 66 % |
| 2 | Entities in Title Tag Relevancy | -0.23 | 5 | 3 | 69 % | 95 % |
| 3 | Number of Referring Domains Authority | -0.23 | 1389 | 129 | 48 % | 79 % |
| 4 | Search Result Domain is .com, .net, or .org Other | -0.23 | 1 | 1 | 6 % | 76 % |
| 5 | Number of Backlinks Authority | -0.23 | 103898 | 6377 | 48 % | 79 % |
| 6 | Number of Do Follow Backlinks Authority | -0.22 | 91200 | 5790 | 45 % | 79 % |
| 7 | Number of Distinct Entities Used Diversity | -0.22 | 50 | 31 | 82 % | 100 % |
| 8 | Number of Unique Variations Used Diversity | -0.22 | 13 | 7 | 80 % | 89 % |
| 9 | Search Result Domain is .com Other | -0.22 | 1 | 1 | 5 % | 74 % |
| 10 | Number of No Follow Backlinks Authority | -0.22 | 12698 | 599 | 38 % | 66 % |
| 11 | Entities in the HTML Tag Relevancy | -0.21 | 482 | 147 | 78 % | 100 % |
| 12 | Number of Top 100 Shared Factors Used Diversity | -0.21 | 36 | 29 | 98 % | 95 % |
| 13 | Number of Top 200 Shared Factors Used Diversity | -0.21 | 48 | 38 | 98 % | 95 % |
| 14 | Load Time Milliseconds Performance | -0.21 | 5029 | 1590 | 82 % | 89 % |
| 15 | Variations in Search Result Document File Name Relevancy | -0.2 | 2 | 1 | 47 % | 79 % |
| 16 | Entities in Sentences Relevancy | -0.2 | 419 | 142 | 73 % | 100 % |
| 17 | Variations in First 100 Words Relevancy | -0.2 | 15 | 6 | 71 % | 82 % |
| 18 | Entities in H2 Tags | -0.2 | 18 | 7 | 54 % | 97 % |
| 19 | Variations in Sentences Relevancy | -0.2 | 85 | 36 | 69 % | 95 % |
| 20 | Number of Top 50 Shared Factors Used Diversity | -0.19 | 15 | 12 | 97 % | 92 % |
| 21 | Variations in Search Result URL Path Relevancy | -0.19 | 3 | 1 | 50 % | 79 % |
| 22 | Variations in Absolute URLs Relevancy | -0.19 | 107 | 52 | 65 % | 82 % |
| 23 | Number of Factors Used Diversity | -0.19 | 236 | 174 | 98 % | 87 % |
| 24 | Variations in A Tag HREF Attributes Relevancy | -0.19 | 88 | 41 | 59 % | 79 % |
| 25 | Number of HTML Comments Size | -0.19 | 174 | 39 | 66 % | 84 % |
| 26 | Variations in H1-H6 Tags Relevancy | -0.19 | 17 | 8 | 65 % | 84 % |
| 27 | Variations in Distinct A Tag HREF Attributes Relevancy | -0.19 | 63 | 26 | 59 % | 79 % |
| 28 | Entities in H1 Tags | -0.19 | 4 | 2 | 52 % | 97 % |
| 29 | Variations in Div Tags Relevancy | -0.18 | 287 | 114 | 71 % | 92 % |
| 30 | Variations in Body Tags Relevancy | -0.18 | 550 | 230 | 79 % | 89 % |
| 31 | Variations in A Tags Relevancy | -0.18 | 49 | 20 | 65 % | 79 % |
| 32 | Variations in LI Tags Relevancy | -0.18 | 48 | 20 | 64 % | 84 % |
| 33 | Number of Images Size | -0.18 | 138 | 39 | 71 % | 87 % |
| 34 | Clean Keyword Density in the HTML Tag Relevancy | -0.18 | 6 | 4 | 71 % | 74 % |
| 35 | Variations in Nav Tags Relevancy | -0.18 | 60 | 22 | 44 % | 76 % |
| 36 | Number of H1 Tags Size | -0.18 | 2 | 1 | 66 % | 76 % |
| 37 | Variations in H1, H2, and H3 Tags Relevancy | -0.18 | 15 | 7 | 64 % | 87 % |
| 38 | Variations in H1 Tags Relevancy | -0.18 | 2 | 1 | 56 % | 74 % |
| 39 | Variations in H1 and H2 Tags Relevancy | -0.18 | 8 | 4 | 63 % | 84 % |
| 40 | Word Count Size | -0.18 | 10039 | 1551 | 82 % | 89 % |
| 41 | Number of Includes Technology | -0.18 | 40 | 28 | 78 % | 79 % |
| 42 | Variations in HTML Tags Relevancy | -0.18 | 550 | 220 | 75 % | 95 % |
| 43 | Number of HTML Tags Size | -0.17 | 3653 | 1106 | 82 % | 89 % |
| 44 | Number of P Tags Size | -0.17 | 300 | 41 | 70 % | 92 % |
| 45 | Number of Images with ALT Text Size | -0.17 | 107 | 25 | 66 % | 92 % |
| 46 | Clean Text Kilobytes Size | -0.17 | 153 | 14 | 71 % | 87 % |
| 47 | Unabridged Word Count Size | -0.17 | 27504 | 2595 | 82 % | 92 % |
| 48 | Variations in P Tags Relevancy | -0.17 | 69 | 29 | 62 % | 89 % |
| 49 | Variations in the Title Tag Relevancy | -0.17 | 2 | 2 | 65 % | 84 % |
| 50 | Number of Sentences Size | -0.17 | 234 | 120 | 80 % | 87 % |
| 51 | Number of Heading Tags Size | -0.17 | 41 | 20 | 71 % | 87 % |
| 52 | Number of Facebook Pages Authority | -0.17 | 3 | 2 | 54 % | 74 % |
| 53 | Variations in Script Tags Relevancy | -0.17 | 244 | 75 | 64 % | 79 % |
| 54 | Number of Forms Technology | -0.17 | 6 | 2 | 48 % | 84 % |
| 55 | Entities in Meta Description Tag Relevancy | -0.17 | 7 | 3 | 60 % | 97 % |
| 56 | Variations in the Canonical URL Relevancy | -0.17 | 3 | 2 | 54 % | 82 % |
| 57 | Leading Variations in H1, H2, and H3 Tags Relevancy | -0.17 | 3 | 2 | 43 % | 89 % |
| 58 | Page Size Kilobytes Size | -0.17 | 566 | 338 | 80 % | 71 % |
| 59 | Entities in H3 Tags | -0.17 | 18 | 7 | 46 % | 100 % |
| 60 | Leading Variations in H1-H6 Tags Relevancy | -0.17 | 5 | 2 | 44 % | 92 % |
| 61 | Has Entities in H2 Tags Relevancy | -0.16 | 1 | 1 | 55 % | 89 % |
| 62 | Has Entities in H1 Tags Relevancy | -0.16 | 1 | 1 | 54 % | 84 % |
| 63 | Variations in Main Tags Relevancy | -0.16 | 274 | 67 | 35 % | 87 % |
| 64 | Inline JavaScript Kilobytes Size | -0.16 | 329 | 123 | 77 % | 74 % |
| 65 | Variations in Search Result URL Relevancy | -0.16 | 3 | 2 | 60 % | 71 % |
| 66 | Variations in Span Tags Relevancy | -0.16 | 24 | 9 | 49 % | 89 % |
| 67 | Title Tag Has Entities Relevancy | -0.16 | 1 | 1 | 70 % | 89 % |
| 68 | Variations in H2 Tags Relevancy | -0.16 | 6 | 3 | 48 % | 87 % |
| 69 | Leading Variations in H1 Tags Relevancy | -0.16 | 1 | 1 | 25 % | 87 % |
| 70 | Number of H2 Tags Size | -0.16 | 11 | 7 | 62 % | 87 % |
| 71 | Number of Links Authority | -0.16 | 314 | 135 | 77 % | 87 % |
| 72 | Number of DoFollow Links Authority | -0.16 | 300 | 131 | 77 % | 87 % |
| 73 | Number of Internal Links Authority | -0.16 | 294 | 122 | 77 % | 87 % |
| 74 | Exact Matches in the HTML Tag Relevancy | -0.16 | 213 | 19 | 25 % | 79 % |
| 75 | Number Of JSON-LD Types Relevancy | -0.16 | 33 | 12 | 53 % | 82 % |
| 76 | Number of HTTPS Links Authority | -0.16 | 313 | 134 | 77 % | 87 % |
| 77 | Number of JavaScript Includes Technology | -0.16 | 27 | 18 | 77 % | 84 % |
| 78 | Term Frequency Relevancy | -0.16 | 4 | 3 | 75 % | 92 % |
| 79 | Number of Absolute URLs Authority | -0.16 | 951 | 332 | 80 % | 82 % |
| 80 | Variations in ALT Attributes Relevancy | -0.16 | 91 | 12 | 49 % | 89 % |
| 81 | Percentage of DoFollow Links Authority | -0.16 | 93 | 80 | 77 % | 92 % |
| 82 | Variations in Search Result Display URL Relevancy | -0.16 | 2 | 2 | 84 % | 76 % |
| 83 | Variations in Search Result Link Text Relevancy | -0.16 | 2 | 2 | 84 % | 76 % |
| 84 | Percentage of DoFollow Internal Links Authority | -0.16 | 84 | 70 | 76 % | 89 % |
| 85 | Inline CSS Kilobytes Size | -0.16 | 153 | 63 | 66 % | 79 % |
| 86 | Average Words Per Sentence Size | -0.15 | 45 | 25 | 74 % | 79 % |
| 87 | Has JSON-LD Schema Markup Relevancy | -0.15 | 1 | 1 | 50 % | 76 % |
| 88 | Uses JSON-LD transcript Other | -0.15 | 1 | 1 | 2 % | 13 % |
| 89 | Uses Schema transcript Other | -0.15 | 1 | 1 | 2 % | 13 % |
| 90 | Variations in Footer Tags Relevancy | -0.15 | 50 | 7 | 38 % | 79 % |
| 91 | LSI Words in Title Tag Relevancy | -0.15 | 9 | 4 | 52 % | 97 % |
| 92 | Number of External Links Authority | -0.15 | 28 | 14 | 70 % | 82 % |
| 93 | LSI Words in Sentences Relevancy | -0.15 | 1438 | 528 | 51 % | 100 % |
| 94 | Number of DoFollow External Links Authority | -0.15 | 26 | 12 | 69 % | 79 % |
| 95 | Search Result Domain Length Size | -0.15 | 22 | 16 | 82 % | 79 % |
| 96 | Search Result Host Length Size | -0.15 | 22 | 16 | 82 % | 79 % |
| 97 | Flesch Kincaid Reading Grade Level Other | -0.15 | 5 | 1 | 94 % | 92 % |
| 98 | Variations in OpenGraph Title Relevancy | -0.15 | 2 | 1 | 58 % | 87 % |
| 99 | Number of CSS Includes Technology | -0.15 | 18 | 10 | 70 % | 82 % |
| 100 | Has Meta Charset Technology | -0.15 | 1 | 1 | 69 % | 87 % |
| 101 | Number of Instagram Pages Authority | -0.15 | 5 | 2 | 43 % | 74 % |
| 102 | Variations Making Whole Span Tags Relevancy | -0.15 | 2 | 1 | 22 % | 71 % |
| 103 | Variations in the last 100 words Relevancy | -0.15 | 8 | 3 | 50 % | 79 % |
| 104 | Number of Images without ALT Text Size | -0.15 | 68 | 14 | 56 % | 89 % |
| 105 | Variations in Meta Description Relevancy | -0.14 | 3 | 2 | 58 % | 84 % |
| 106 | Number of US Phone Numbers Trust | -0.14 | 33 | 11 | 50 % | 79 % |
| 107 | Entities in H4 Tags | -0.14 | 5 | 2 | 21 % | 89 % |
| 108 | TF/IDF Relevancy | -0.14 | 1 | 1 | 60 % | 92 % |
| 109 | Uses Microdata LocalBusiness Other | -0.14 | 1 | 1 | 1 % | 18 % |
| 110 | Entities in H5 Tags | -0.14 | 3 | 1 | 10 % | 82 % |
| 111 | Number of Facebook Accounts Authority | -0.14 | 1 | 1 | 26 % | 79 % |
| 112 | Is Purchase Page Other | -0.14 | 1 | 1 | 39 % | 71 % |
| 113 | Has Form Technology | -0.14 | 1 | 1 | 47 % | 92 % |
| 114 | Search Result Uses HTTPS Other | -0.14 | 1 | 1 | 82 % | 82 % |
| 115 | Variations making whole H1, H2, and H3 Tags Relevancy | -0.14 | 1 | 1 | 18 % | 84 % |
| 116 | Variations making whole H1-H6 Tags Relevancy | -0.14 | 1 | 1 | 20 % | 82 % |
| 117 | Search Result Number of Dirs in Path Other | -0.14 | 3 | 2 | 71 % | 82 % |
| 118 | Is OpenGraph Type Article Technology | -0.14 | 1 | 1 | 34 % | 63 % |
| 119 | Number of H6 Tags Size | -0.14 | 6 | 1 | 11 % | 66 % |
| 120 | Variations in Class Attributes Relevancy | -0.14 | 20 | 3 | 16 % | 68 % |
| 121 | Has Meta Viewport Technology | -0.14 | 1 | 1 | 78 % | 84 % |
| 122 | Variations making whole H1 Tags Relevancy | -0.14 | 1 | 1 | 10 % | 82 % |
| 123 | Number of Social Accounts Authority | -0.14 | 3 | 2 | 41 % | 87 % |
| 124 | Number of Social Pages Authority | -0.14 | 9 | 5 | 62 % | 79 % |
| 125 | Uses JSON-LD author Other | -0.14 | 1 | 1 | 2 % | 26 % |
| 126 | Uses Schema organization Other | -0.14 | 1 | 1 | 34 % | 76 % |
| 127 | Is Home Page Other | -0.14 | 1 | 1 | 19 % | 53 % |
| 128 | Uses JSON-LD url Other | -0.14 | 1 | 1 | 44 % | 84 % |
| 129 | Number of Email Addresses Trust | -0.14 | 13 | 5 | 41 % | 66 % |
| 130 | Title Length Size | -0.14 | 77 | 47 | 80 % | 76 % |
| 131 | Leading Variations in H4-H6 Tags Relevancy | -0.14 | 2 | 1 | 10 % | 74 % |
| 132 | LSI Words in H2 Tags Relevancy | -0.14 | 49 | 16 | 40 % | 100 % |
| 133 | Variation Count in Top 30KB Relevancy | -0.14 | 69 | 19 | 65 % | 87 % |
| 134 | Uses JSON-LD Organization Other | -0.13 | 1 | 1 | 31 % | 76 % |
| 135 | Leading Variations in Title Tag Relevancy | -0.13 | 1 | 1 | 29 % | 89 % |
| 136 | Variation Density in Top 30KB Relevancy | -0.13 | 3 | 2 | 63 % | 79 % |
| 137 | Uses JSON-LD DataFeedItem Other | -0.13 | 1 | 1 | 2 % | 18 % |
| 138 | Uses Schema datafeeditem Other | -0.13 | 1 | 1 | 2 % | 18 % |
| 139 | Variations in H4-H6 Tags Relevancy | -0.13 | 6 | 2 | 20 % | 76 % |
| 140 | Variations in H3 Tags Relevancy | -0.13 | 9 | 3 | 37 % | 92 % |
| 141 | Variations in Aside Tags Relevancy | -0.13 | 19 | 4 | 10 % | 58 % |
| 142 | Uses Microdata address Other | -0.13 | 1 | 1 | 2 % | 18 % |
| 143 | Variations in OpenGraph Description Relevancy | -0.13 | 3 | 2 | 54 % | 89 % |
| 144 | Exact Matches in Sentences Relevancy | -0.13 | 23 | 4 | 18 % | 76 % |
| 145 | Number of H3 Tags Size | -0.13 | 18 | 8 | 56 % | 89 % |
| 146 | Uses Schema item Other | -0.13 | 1 | 1 | 26 % | 66 % |
| 147 | Has US Phone Number Trust | -0.13 | 1 | 1 | 51 % | 71 % |
| 148 | Percentage of DoFollow External Links Authority | -0.13 | 18 | 10 | 69 % | 84 % |
| 149 | Number of Questions Size | -0.13 | 24 | 10 | 64 % | 82 % |
| 150 | Has Canonical URL Authority | -0.13 | 1 | 1 | 69 % | 92 % |
| 151 | Leading Variations in H2 Tags Relevancy | -0.13 | 2 | 1 | 22 % | 76 % |
| 152 | Uses JSON-LD name Other | -0.13 | 1 | 1 | 49 % | 84 % |
| 153 | Number of Meta Generator Tags Technology | -0.13 | 2 | 1 | 35 % | 66 % |
| 154 | Exact Matches in Top 30KB Relevancy | -0.13 | 9 | 2 | 16 % | 76 % |
| 155 | Title Word Count Size | -0.13 | 11 | 7 | 79 % | 79 % |
| 156 | Number of LinkedIn Pages Authority | -0.13 | 3 | 1 | 30 % | 84 % |
| 157 | Has Entities in H3 Tags Relevancy | -0.13 | 1 | 1 | 47 % | 92 % |
| 158 | Number Of Claimed Brands Other | -0.13 | 9 | 2 | 22 % | 87 % |
| 159 | Exact Matches in H1-H6 Tags Relevancy | -0.13 | 3 | 1 | 15 % | 84 % |
| 160 | Has Apple Touch Icon Technology | -0.13 | 1 | 1 | 47 % | 68 % |
| 161 | Has RSS Link Authority | -0.13 | 1 | 1 | 31 % | 63 % |
| 162 | Variations in I Tags Relevancy | -0.13 | 9 | 4 | 24 % | 79 % |
| 163 | Number of Nofollow Links Authority | -0.13 | 14 | 5 | 21 % | 71 % |
| 164 | Variations in Section Tags Relevancy | -0.13 | 66 | 16 | 35 % | 84 % |
| 165 | Variations in Value Attributes Relevancy | -0.13 | 3 | 1 | 10 % | 82 % |
| 166 | Number of YouTube Accounts Technology | -0.13 | 1 | 1 | 9 % | 74 % |
| 167 | Variations in Figure Tags Relevancy | -0.13 | 23 | 7 | 13 % | 66 % |
| 168 | Is Category Page Other | -0.13 | 1 | 1 | 15 % | 58 % |
| 169 | Meta Description Tag Has Entities Relevancy | -0.13 | 1 | 1 | 60 % | 87 % |
| 170 | Word Count in Meta Description Size | -0.13 | 22 | 17 | 64 % | 76 % |
| 171 | Variations making whole A Tags Relevancy | -0.13 | 3 | 2 | 30 % | 76 % |
| 172 | LSI Words in H1 Tags Relevancy | -0.13 | 8 | 3 | 39 % | 95 % |
| 173 | Exact Matches in Title Tag Relevancy | -0.13 | 1 | 1 | 13 % | 82 % |
| 174 | Number of Twitter Accounts Authority | -0.13 | 2 | 1 | 26 % | 82 % |
| 175 | Number of Questions In Headings Size | -0.13 | 9 | 2 | 32 % | 82 % |
| 176 | Has FavIcon Technology | -0.13 | 1 | 1 | 73 % | 82 % |
| 177 | Number of Prices Size | -0.13 | 1963 | 133 | 68 % | 82 % |
| 178 | Has DocType Tag Technology | -0.12 | 1 | 1 | 71 % | 53 % |
| 179 | Has Contact Page Trust | -0.12 | 1 | 1 | 61 % | 76 % |
| 180 | Is Store Page Other | -0.12 | 1 | 1 | 42 % | 71 % |
| 181 | Has OpenGraph Image Relevancy | -0.12 | 1 | 1 | 50 % | 68 % |
| 182 | Variations in Meta Twitter Description Relevancy | -0.12 | 2 | 1 | 28 % | 68 % |
| 183 | Uses RDFa description Other | -0.12 | 1 | 1 | 3 % | 13 % |
| 184 | Uses JSON-LD contactOption Other | -0.12 | 1 | 1 | 2 % | 29 % |
| 185 | Uses Schema contactoption Other | -0.12 | 1 | 1 | 2 % | 29 % |
| 186 | LSI Words in Meta Description Tag Relevancy | -0.12 | 18 | 8 | 43 % | 100 % |
| 187 | Has Terms of Service Trust | -0.12 | 1 | 1 | 42 % | 61 % |
| 188 | Has Domain Phrase In Title Trust | -0.12 | 1 | 1 | 17 % | 68 % |
| 189 | Uses JSON-LD additionalType Other | -0.12 | 1 | 1 | 3 % | 21 % |
| 190 | Meta Description Length Size | -0.12 | 142 | 110 | 65 % | 76 % |
| 191 | Uses JSON-LD ListItem Other | -0.12 | 1 | 1 | 29 % | 76 % |
| 192 | Uses JSON-LD uploadDate Other | -0.12 | 1 | 1 | 5 % | 42 % |
| 193 | Uses JSON-LD itemListOrder Other | -0.12 | 1 | 1 | 2 % | 42 % |
| 194 | Uses Schema itemlistorder Other | -0.12 | 1 | 1 | 2 % | 42 % |
| 195 | Uses Schema url Other | -0.12 | 1 | 1 | 55 % | 82 % |
| 196 | Has Entities in H4 Tags Relevancy | -0.12 | 1 | 1 | 22 % | 82 % |
| 197 | Variations in OpenGraph Site Name Relevancy | -0.12 | 1 | 1 | 23 % | 53 % |
| 198 | Uses Microdata telephone Other | -0.12 | 1 | 1 | 3 % | 29 % |
| 199 | Uses JSON-LD alternativeHeadline Other | -0.12 | 1 | 1 | 2 % | 24 % |
| 200 | Uses Schema alternativeheadline Other | -0.12 | 1 | 1 | 2 % | 24 % |