[ Ahrefs, SEMRush, DomDetailer, SpyFu APIs ]
[ Wappalyzer API ]
SEO Factor ClassSize ( 54217 )Relevancy ( 53763 ) Other ( 32303 ) 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 ( 54213 )Keywords ( 41665 ) Schema ( 32249 ) 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 | -0.25 | 1368 | 263 | 83 % | 78 % |
| 2 | Number of Distinct Entities Used Diversity | -0.24 | 88 | 31 | 78 % | 93 % |
| 3 | Search Result Domain is .com, .net, or .org Other | -0.23 | 1 | 1 | 5 % | 67 % |
| 4 | Number of Unique Variations Used Diversity | -0.23 | 65 | 9 | 81 % | 89 % |
| 5 | Search Result Domain is .com Other | -0.22 | 1 | 1 | 4 % | 67 % |
| 6 | Number of Top 200 Shared Factors Used Diversity | -0.21 | 53 | 42 | 94 % | 90 % |
| 7 | Number of Top 100 Shared Factors Used Diversity | -0.21 | 40 | 31 | 94 % | 91 % |
| 8 | Variations in Body Tags Relevancy | -0.21 | 81932 | 538 | 81 % | 90 % |
| 9 | Entities in Title Tag Relevancy | -0.21 | 9 | 3 | 70 % | 89 % |
| 10 | Variations in HTML Tags Relevancy | -0.21 | 81932 | 538 | 81 % | 90 % |
| 11 | Entities in the HTML Tag Relevancy | -0.21 | 652 | 147 | 74 % | 93 % |
| 12 | Entities in Sentences Relevancy | -0.21 | 625 | 144 | 72 % | 93 % |
| 13 | Load Time Milliseconds Performance | -0.2 | 14517 | 1497 | 85 % | 87 % |
| 14 | Variations in H1, H2, and H3 Tags Relevancy | -0.2 | 171 | 8 | 70 % | 89 % |
| 15 | Variations in H1-H6 Tags Relevancy | -0.2 | 215 | 10 | 71 % | 89 % |
| 16 | Variations in Search Result Display URL Relevancy | -0.2 | 13 | 2 | 83 % | 77 % |
| 17 | Variations in Search Result Link Text Relevancy | -0.2 | 13 | 2 | 83 % | 76 % |
| 18 | Variations in Div Tags Relevancy | -0.2 | 27386 | 224 | 78 % | 89 % |
| 19 | Variations in Search Result Document File Name Relevancy | -0.2 | 7 | 2 | 53 % | 81 % |
| 20 | Variations in Sentences Relevancy | -0.2 | 4837 | 55 | 76 % | 90 % |
| 21 | Variations in H1 and H2 Tags Relevancy | -0.2 | 99 | 5 | 68 % | 88 % |
| 22 | Number of Top 50 Shared Factors Used Diversity | -0.2 | 17 | 13 | 93 % | 89 % |
| 23 | Variations in P Tags Relevancy | -0.2 | 3381 | 48 | 72 % | 89 % |
| 24 | Entities in H2 Tags | -0.2 | 32 | 7 | 54 % | 91 % |
| 25 | Variations in Search Result URL Path Relevancy | -0.19 | 9 | 2 | 56 % | 81 % |
| 26 | Number of Referring Domains Authority | -0.19 | 11207 | 72 | 49 % | 71 % |
| 27 | Number of Factors Used Diversity | -0.19 | 415 | 192 | 93 % | 87 % |
| 28 | Entities in H1 Tags | -0.19 | 29 | 2 | 58 % | 86 % |
| 29 | Variations in Search Result URL Relevancy | -0.19 | 17 | 2 | 64 % | 78 % |
| 30 | Variations in H2 Tags Relevancy | -0.19 | 86 | 4 | 51 % | 87 % |
| 31 | Number of Backlinks Authority | -0.19 | 3005253 | 4617 | 48 % | 72 % |
| 32 | Leading Variations in H1, H2, and H3 Tags Relevancy | -0.19 | 18 | 2 | 48 % | 85 % |
| 33 | Leading Variations in H1-H6 Tags Relevancy | -0.19 | 22 | 2 | 51 % | 85 % |
| 34 | Variations in A Tags Relevancy | -0.18 | 3031 | 39 | 72 % | 86 % |
| 35 | Term Frequency Relevancy | -0.18 | 6 | 3 | 81 % | 88 % |
| 36 | Variations in LI Tags Relevancy | -0.18 | 1561 | 29 | 70 % | 88 % |
| 37 | Number of Do Follow Backlinks Authority | -0.18 | 363654 | 2738 | 41 % | 71 % |
| 38 | Entities in H3 Tags | -0.18 | 83 | 7 | 44 % | 91 % |
| 39 | Variations in Distinct A Tag HREF Attributes Relevancy | -0.18 | 1171 | 42 | 68 % | 87 % |
| 40 | Variations in H1 Tags Relevancy | -0.18 | 18 | 2 | 60 % | 81 % |
| 41 | Variations in A Tag HREF Attributes Relevancy | -0.18 | 2066 | 63 | 68 % | 87 % |
| 42 | Number of No Follow Backlinks Authority | -0.18 | 2963884 | 1885 | 41 % | 71 % |
| 43 | Variations in First 100 Words Relevancy | -0.18 | 193 | 10 | 72 % | 81 % |
| 44 | Variations in the Canonical URL Relevancy | -0.18 | 60 | 2 | 57 % | 82 % |
| 45 | Variations in the Title Tag Relevancy | -0.18 | 73 | 2 | 72 % | 78 % |
| 46 | Clean Keyword Density in the HTML Tag Relevancy | -0.18 | 197 | 5 | 74 % | 79 % |
| 47 | Variations in Absolute URLs Relevancy | -0.17 | 8093 | 93 | 70 % | 86 % |
| 48 | LSI Words in Sentences Relevancy | -0.17 | 5294 | 638 | 64 % | 94 % |
| 49 | Number of Sentences Size | -0.17 | 1269 | 121 | 83 % | 86 % |
| 50 | Number of HTML Tags Size | -0.17 | 4805 | 1001 | 85 % | 83 % |
| 51 | Variations in Script Tags Relevancy | -0.17 | 12227 | 118 | 67 % | 88 % |
| 52 | Unabridged Word Count Size | -0.17 | 7332 | 1793 | 85 % | 85 % |
| 53 | Variations in Meta Description Relevancy | -0.17 | 49 | 2 | 59 % | 80 % |
| 54 | Word Count Size | -0.17 | 4754 | 1437 | 84 % | 85 % |
| 55 | Variation Density in Top 30KB Relevancy | -0.17 | 329 | 4 | 69 % | 82 % |
| 56 | Entities in Meta Description Tag Relevancy | -0.17 | 9 | 4 | 58 % | 83 % |
| 57 | Clean Text Kilobytes Size | -0.17 | 49 | 12 | 79 % | 86 % |
| 58 | Number of Includes Technology | -0.17 | 55 | 24 | 80 % | 74 % |
| 59 | Variations in Span Tags Relevancy | -0.16 | 677 | 14 | 57 % | 85 % |
| 60 | Variations in H3 Tags Relevancy | -0.16 | 92 | 4 | 39 % | 85 % |
| 61 | Number of Questions Size | -0.16 | 176 | 10 | 66 % | 85 % |
| 62 | Variations in ALT Attributes Relevancy | -0.16 | 231 | 9 | 50 % | 84 % |
| 63 | Variations in OpenGraph Title Relevancy | -0.16 | 15 | 2 | 57 % | 74 % |
| 64 | Leading Variations in Title Tag Relevancy | -0.16 | 1 | 1 | 35 % | 75 % |
| 65 | LSI Words in Title Tag Relevancy | -0.16 | 22 | 5 | 64 % | 92 % |
| 66 | Leading Variations in H1 Tags Relevancy | -0.16 | 2 | 1 | 31 % | 77 % |
| 67 | Variations in Nav Tags Relevancy | -0.16 | 6454 | 39 | 51 % | 81 % |
| 68 | Number of P Tags Size | -0.16 | 215 | 37 | 78 % | 82 % |
| 69 | Has Entities in H1 Tags Relevancy | -0.16 | 1 | 1 | 58 % | 80 % |
| 70 | Variations in OpenGraph Description Relevancy | -0.16 | 47 | 2 | 52 % | 78 % |
| 71 | Number of Images Size | -0.16 | 551 | 30 | 79 % | 80 % |
| 72 | Number of Heading Tags Size | -0.16 | 69 | 21 | 79 % | 83 % |
| 73 | Variations in Main Tags Relevancy | -0.16 | 16085 | 100 | 36 % | 84 % |
| 74 | Number of Images with ALT Text Size | -0.16 | 544 | 21 | 74 % | 80 % |
| 75 | Has JSON-LD Schema Markup Relevancy | -0.15 | 1 | 1 | 54 % | 71 % |
| 76 | Number of HTTPS Links Authority | -0.15 | 1069 | 141 | 82 % | 81 % |
| 77 | Number of Links Authority | -0.15 | 915 | 142 | 82 % | 79 % |
| 78 | Number of H2 Tags Size | -0.15 | 21 | 7 | 70 % | 83 % |
| 79 | Leading Variations in H2 Tags Relevancy | -0.15 | 8 | 1 | 25 % | 82 % |
| 80 | Number of Internal Links Authority | -0.15 | 1057 | 127 | 82 % | 81 % |
| 81 | Number of DoFollow Links Authority | -0.15 | 784 | 137 | 82 % | 80 % |
| 82 | Number of Facebook Pages Authority | -0.15 | 34 | 2 | 60 % | 73 % |
| 83 | Number of CSS Includes Technology | -0.15 | 20 | 9 | 71 % | 70 % |
| 84 | TF/IDF Relevancy | -0.15 | 1 | 1 | 67 % | 80 % |
| 85 | Title Tag Has Entities Relevancy | -0.15 | 1 | 1 | 69 % | 82 % |
| 86 | LSI Words in H2 Tags Relevancy | -0.15 | 87 | 18 | 54 % | 92 % |
| 87 | Exact Matches in the HTML Tag Relevancy | -0.15 | 349 | 10 | 29 % | 86 % |
| 88 | Variation Count in Top 30KB Relevancy | -0.15 | 4932 | 38 | 72 % | 81 % |
| 89 | Page Size Kilobytes Size | -0.15 | 2749 | 249 | 85 % | 83 % |
| 90 | Number of Absolute URLs Authority | -0.15 | 4431 | 257 | 85 % | 80 % |
| 91 | Variations in the last 100 words Relevancy | -0.15 | 192 | 6 | 56 % | 79 % |
| 92 | Number Of JSON-LD Types Relevancy | -0.15 | 106 | 13 | 57 % | 80 % |
| 93 | Variations in Section Tags Relevancy | -0.15 | 1335 | 28 | 40 % | 81 % |
| 94 | Variations Making Whole Span Tags Relevancy | -0.15 | 34 | 1 | 23 % | 78 % |
| 95 | Number of Questions In Headings Size | -0.15 | 8 | 2 | 35 % | 83 % |
| 96 | Has Entities in H2 Tags Relevancy | -0.14 | 1 | 1 | 54 % | 80 % |
| 97 | LSI Words in H1 Tags Relevancy | -0.14 | 39 | 4 | 55 % | 90 % |
| 98 | Entities in H4 Tags | -0.14 | 29 | 2 | 22 % | 84 % |
| 99 | Variations making whole H1, H2, and H3 Tags Relevancy | -0.14 | 4 | 1 | 16 % | 75 % |
| 100 | Variations making whole H1-H6 Tags Relevancy | -0.14 | 9 | 1 | 18 % | 75 % |
| 101 | Variations making whole A Tags Relevancy | -0.14 | 25 | 2 | 34 % | 75 % |
| 102 | Number of H3 Tags Size | -0.14 | 38 | 8 | 62 % | 82 % |
| 103 | Number of H1 Tags Size | -0.14 | 18 | 2 | 72 % | 80 % |
| 104 | Variations in Footer Tags Relevancy | -0.14 | 2912 | 16 | 38 % | 80 % |
| 105 | Number of Instagram Pages Authority | -0.14 | 14 | 2 | 41 % | 71 % |
| 106 | Flesch Kincaid Reading Grade Level Other | -0.14 | 7 | 2 | 90 % | 84 % |
| 107 | Variations Making Whole LI Tags Relevancy | -0.14 | 9 | 1 | 29 % | 76 % |
| 108 | Percentage of DoFollow Internal Links Authority | -0.14 | 97 | 75 | 80 % | 79 % |
| 109 | Variations in TITLE Attributes Relevancy | -0.14 | 166 | 7 | 41 % | 81 % |
| 110 | Number of External Links Authority | -0.14 | 157 | 16 | 78 % | 78 % |
| 111 | Number of HTML Comments Size | -0.14 | 735 | 38 | 71 % | 80 % |
| 112 | Leading Variations in H3 Tags Relevancy | -0.14 | 10 | 1 | 18 % | 80 % |
| 113 | Search Result Number of Dirs in Path Other | -0.14 | 4 | 2 | 75 % | 74 % |
| 114 | Inline JavaScript Kilobytes Size | -0.14 | 1160 | 78 | 81 % | 81 % |
| 115 | Inline CSS Kilobytes Size | -0.14 | 178 | 55 | 63 % | 79 % |
| 116 | Variations in Button Tags Relevancy | -0.14 | 2106 | 9 | 10 % | 77 % |
| 117 | Has Entities in H3 Tags Relevancy | -0.14 | 1 | 1 | 45 % | 80 % |
| 118 | Number of Prices Size | -0.14 | 825 | 56 | 67 % | 81 % |
| 119 | Percentage of DoFollow Links Authority | -0.14 | 100 | 86 | 80 % | 84 % |
| 120 | Number of DoFollow External Links Authority | -0.14 | 142 | 14 | 77 % | 75 % |
| 121 | Variations in Strong Tags Relevancy | -0.14 | 117 | 3 | 30 % | 77 % |
| 122 | Number of JavaScript Includes Technology | -0.14 | 36 | 16 | 81 % | 74 % |
| 123 | LSI Words in H3 Tags Relevancy | -0.13 | 160 | 17 | 47 % | 90 % |
| 124 | Uses JSON-LD mainEntity Other | -0.13 | 1 | 1 | 2 % | 12 % |
| 125 | Number of Questions In H2 Tags Size | -0.13 | 4 | 1 | 22 % | 77 % |
| 126 | Number of LinkedIn Pages Authority | -0.13 | 5 | 1 | 28 % | 75 % |
| 127 | LSI Words in Meta Description Tag Relevancy | -0.13 | 36 | 10 | 52 % | 87 % |
| 128 | Meta Description Tag Has Entities Relevancy | -0.13 | 1 | 1 | 58 % | 74 % |
| 129 | Headings Has Question Other | -0.13 | 1 | 1 | 35 % | 76 % |
| 130 | Has Meta Charset Technology | -0.13 | 1 | 1 | 74 % | 72 % |
| 131 | Number of Twitter Accounts Authority | -0.13 | 4 | 1 | 32 % | 71 % |
| 132 | Number of Nofollow Links Authority | -0.13 | 257 | 5 | 27 % | 75 % |
| 133 | Variations in Article Tags Relevancy | -0.13 | 1834 | 18 | 25 % | 71 % |
| 134 | Exact Matches in H1-H6 Tags Relevancy | -0.13 | 14 | 1 | 19 % | 84 % |
| 135 | Search Result Not .com .net or .org Other | -0.13 | 1 | 1 | 81 % | 11 % |
| 136 | Search Result Host Length Size | -0.13 | 28 | 18 | 83 % | 71 % |
| 137 | Search Result Domain Length Size | -0.13 | 28 | 18 | 83 % | 72 % |
| 138 | Exact Matches in Top 30KB Relevancy | -0.13 | 30 | 2 | 18 % | 74 % |
| 139 | Title Word Count Size | -0.13 | 37 | 8 | 81 % | 71 % |
| 140 | Variations in I Tags Relevancy | -0.13 | 209 | 6 | 28 % | 75 % |
| 141 | Variations in H4-H6 Tags Relevancy | -0.13 | 72 | 2 | 21 % | 76 % |
| 142 | Variations in Search Result Summary Relevancy | -0.13 | 45 | 3 | 84 % | 67 % |
| 143 | Variations in Form Tags Relevancy | -0.13 | 64 | 1 | 14 % | 72 % |
| 144 | Search Result URL Length Size | -0.13 | 103 | 63 | 92 % | 51 % |
| 145 | Number of Forms Technology | -0.13 | 16 | 2 | 56 % | 73 % |
| 146 | Number of Social Pages Authority | -0.13 | 66 | 4 | 65 % | 75 % |
| 147 | Number of Facebook Accounts Authority | -0.13 | 6 | 1 | 30 % | 69 % |
| 148 | Has Canonical URL Authority | -0.13 | 1 | 1 | 71 % | 72 % |
| 149 | Variations in Value Attributes Relevancy | -0.13 | 53 | 2 | 15 % | 73 % |
| 150 | Number of Images without ALT Text Size | -0.13 | 80 | 10 | 60 % | 77 % |
| 151 | Variations in H4 Tags Relevancy | -0.13 | 43 | 1 | 16 % | 75 % |
| 152 | Variations in B Tags Relevancy | -0.13 | 62 | 4 | 14 % | 75 % |
| 153 | Variations in Style Tags Relevancy | -0.12 | 30189 | 119 | 19 % | 78 % |
| 154 | Number of Questions In H3 Tags Size | -0.12 | 6 | 1 | 16 % | 79 % |
| 155 | Word Count in Meta Description Size | -0.12 | 75 | 20 | 67 % | 72 % |
| 156 | Uses JSON-LD name | -0.12 | 1 | 1 | 52 % | 67 % |
| 157 | Uses Schema listitem Other | -0.12 | 1 | 1 | 40 % | 64 % |
| 158 | Variations in ID Attributes Relevancy | -0.12 | 673 | 4 | 16 % | 79 % |
| 159 | Uses Schema answer Other | -0.12 | 1 | 1 | 7 % | 61 % |
| 160 | Uses JSON-LD ListItem Other | -0.12 | 1 | 1 | 36 % | 64 % |
| 161 | Variations in Class Attributes Relevancy | -0.12 | 8722 | 37 | 28 % | 77 % |
| 162 | Uses Schema faqpage Other | -0.12 | 1 | 1 | 7 % | 61 % |
| 163 | Uses JSON-LD Answer Other | -0.12 | 1 | 1 | 6 % | 61 % |
| 164 | Has Meta Viewport Technology | -0.12 | 1 | 1 | 81 % | 77 % |
| 165 | Number of US Phone Numbers Trust | -0.12 | 1145 | 10 | 41 % | 71 % |
| 166 | Meta Description Length Size | -0.12 | 422 | 122 | 67 % | 73 % |
| 167 | Uses JSON-LD FAQPage Other | -0.12 | 1 | 1 | 6 % | 60 % |
| 168 | Uses Schema addresslocality Other | -0.12 | 1 | 1 | 18 % | 60 % |
| 169 | Is Home Page Other | -0.12 | 1 | 1 | 14 % | 44 % |
| 170 | Uses Schema name Other | -0.12 | 1 | 1 | 59 % | 66 % |
| 171 | Search Result Uses HTTPS Other | -0.12 | 1 | 1 | 84 % | 80 % |
| 172 | Uses JSON-LD ItemList Other | -0.12 | 1 | 1 | 3 % | 38 % |
| 173 | Title Length Size | -0.12 | 273 | 53 | 81 % | 69 % |
| 174 | Uses JSON-LD text Other | -0.12 | 1 | 1 | 7 % | 60 % |
| 175 | Has Privacy Policy Trust | -0.12 | 1 | 1 | 59 % | 72 % |
| 176 | Uses JSON-LD Question Other | -0.12 | 1 | 1 | 6 % | 60 % |
| 177 | Percentage of DoFollow External Links Authority | -0.12 | 31 | 12 | 74 % | 69 % |
| 178 | Uses Schema question Other | -0.12 | 1 | 1 | 7 % | 61 % |
| 179 | Uses Schema postaladdress Other | -0.12 | 1 | 1 | 19 % | 61 % |
| 180 | Percentage of NoFollow Links Authority | -0.12 | 26 | 3 | 25 % | 71 % |
| 181 | Uses Schema itemlist Other | -0.12 | 1 | 1 | 4 % | 39 % |
| 182 | Number of Email Addresses Trust | -0.12 | 1422 | 5 | 42 % | 73 % |
| 183 | Uses JSON-LD PostalAddress Other | -0.12 | 1 | 1 | 17 % | 62 % |
| 184 | Uses JSON-LD addressLocality Other | -0.12 | 1 | 1 | 16 % | 61 % |
| 185 | Has DocType Tag Technology | -0.12 | 1 | 1 | 76 % | 46 % |
| 186 | Has Schema Markup Relevancy | -0.12 | 1 | 1 | 63 % | 69 % |
| 187 | Variations in Meta Twitter Description Relevancy | -0.12 | 20 | 1 | 23 % | 70 % |
| 188 | Number of Social Accounts Authority | -0.12 | 12 | 2 | 48 % | 71 % |
| 189 | Uses Schema breadcrumblist Other | -0.12 | 1 | 1 | 39 % | 64 % |
| 190 | Variations making whole H1 Tags Relevancy | -0.12 | 1 | 1 | 9 % | 71 % |
| 191 | Uses Schema addressregion Other | -0.12 | 1 | 1 | 18 % | 58 % |
| 192 | Number of NoFollow External Links Authority | -0.12 | 119 | 3 | 18 % | 72 % |
| 193 | Average Words Per Sentence Size | -0.12 | 555 | 38 | 80 % | 73 % |
| 194 | Uses JSON-LD addressRegion Other | -0.12 | 1 | 1 | 16 % | 58 % |
| 195 | Has Meta Description Relevancy | -0.12 | 1 | 1 | 66 % | 69 % |
| 196 | Uses Schema pricerange Other | -0.12 | 1 | 1 | 9 % | 48 % |
| 197 | Number of H4 Tags Size | -0.12 | 28 | 4 | 38 % | 73 % |
| 198 | Variations in Meta Twitter Content Relevancy | -0.12 | 61 | 1 | 25 % | 68 % |
| 199 | Uses JSON-LD BreadcrumbList Other | -0.12 | 1 | 1 | 35 % | 64 % |
| 200 | Exact Matches in Sentences Relevancy | -0.12 | 102 | 3 | 20 % | 87 % |