[ Ahrefs, SEMRush, DomDetailer, SpyFu APIs ]
[ Wappalyzer API ]
SEO Factor ClassSize ( 54484 )Relevancy ( 54123 ) Other ( 32996 ) Local ( 9000 ) Technology ( 1599 ) Authority ( 163 ) Pay Per Click ( 29 ) Diversity ( 15 ) Trust ( 15 ) Easy ( 3 ) This factor is measured within the schema markup of the web page. ( 1 ) Performance ( 1 ) |
SEO Factor TypeSize ( 54480 )Keywords ( 42020 ) Schema ( 32942 ) Local ( 9001 ) 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 | Number of Distinct Entities Used Diversity | -0.28 | 142 | 51 | 91 % | 31 % |
| 2 | Variations in HTML Tags Relevancy | -0.25 | 1184 | 217 | 90 % | 92 % |
| 3 | Entities in Sentences Relevancy | -0.24 | 678 | 188 | 86 % | 31 % |
| 4 | LSI Words in Sentences Relevancy | -0.24 | 3824 | 599 | 87 % | 62 % |
| 5 | Entities in the HTML Tag Relevancy | -0.24 | 3462 | 755 | 90 % | 30 % |
| 6 | Term Frequency Relevancy | -0.23 | 8 | 6 | 91 % | 89 % |
| 7 | Variations in Div Tags Relevancy | -0.23 | 617 | 122 | 85 % | 90 % |
| 8 | Variations in A Tags Relevancy | -0.22 | 129 | 28 | 79 % | 91 % |
| 9 | LSI Words in HTML Tag | -0.22 | 11614 | 2392 | 91 % | 61 % |
| 10 | Number of Factors Used Diversity | -0.22 | 200 | 133 | 95 % | 87 % |
| 11 | LSI Words in Title Tag Relevancy | -0.22 | 24 | 6 | 85 % | 57 % |
| 12 | Variations in A Tag HREF Attributes Relevancy | -0.22 | 381 | 51 | 76 % | 89 % |
| 13 | Variations in H1-H6 Tags Relevancy | -0.21 | 25 | 8 | 79 % | 84 % |
| 14 | Variations in LI Tags Relevancy | -0.21 | 99 | 22 | 77 % | 91 % |
| 15 | Variations in Search Result Display URL Relevancy | -0.21 | 5 | 2 | 88 % | 72 % |
| 16 | Variations in Search Result Link Text Relevancy | -0.21 | 5 | 2 | 88 % | 72 % |
| 17 | Variations in H1, H2, and H3 Tags Relevancy | -0.21 | 19 | 7 | 78 % | 85 % |
| 18 | Variations in Sentences Relevancy | -0.2 | 207 | 28 | 81 % | 89 % |
| 19 | Variations in P Tags Relevancy | -0.2 | 174 | 34 | 77 % | 90 % |
| 20 | Variations in Absolute URLs Relevancy | -0.2 | 451 | 65 | 78 % | 88 % |
| 21 | Exact Matches in the HTML Tag Relevancy | -0.2 | 207 | 11 | 44 % | 84 % |
| 22 | Variations in H1 and H2 Tags Relevancy | -0.2 | 13 | 4 | 76 % | 84 % |
| 23 | Variations in Search Result URL Relevancy | -0.2 | 5 | 2 | 71 % | 74 % |
| 24 | Variations in Search Result URL Path Relevancy | -0.19 | 5 | 2 | 68 % | 70 % |
| 25 | LSI Words in Meta Description Tag Relevancy | -0.19 | 25 | 10 | 66 % | 57 % |
| 26 | Variations in Body Tags Relevancy | -0.19 | 1103 | 145 | 77 % | 86 % |
| 27 | Variations in the Title Tag Relevancy | -0.19 | 7 | 2 | 82 % | 75 % |
| 28 | Entities in Title Tag Relevancy | -0.19 | 10 | 4 | 81 % | 29 % |
| 29 | Number of HTML Tags Size | -0.19 | 2137 | 854 | 94 % | 83 % |
| 30 | Unabridged Word Count Size | -0.19 | 7772 | 2398 | 93 % | 88 % |
| 31 | Variations in ALT Attributes Relevancy | -0.18 | 42 | 8 | 54 % | 84 % |
| 32 | Variations in Meta Description Relevancy | -0.18 | 6 | 2 | 62 % | 83 % |
| 33 | Leading Variations in H1-H6 Tags Relevancy | -0.18 | 9 | 2 | 54 % | 82 % |
| 34 | Clean Text Kilobytes Size | -0.18 | 45 | 18 | 90 % | 86 % |
| 35 | Leading Variations in H1, H2, and H3 Tags Relevancy | -0.18 | 8 | 2 | 51 % | 81 % |
| 36 | Variations in the Canonical URL Relevancy | -0.18 | 5 | 2 | 55 % | 75 % |
| 37 | Word Count Size | -0.18 | 5959 | 1967 | 93 % | 89 % |
| 38 | Number of HTTPS Links Authority | -0.18 | 420 | 129 | 85 % | 83 % |
| 39 | Variations in H2 Tags Relevancy | -0.18 | 12 | 3 | 49 % | 88 % |
| 40 | Keywords in pages top 10 most used phrases | -0.18 | 6 | 2 | 71 % | 81 % |
| 41 | Variations in Span Tags Relevancy | -0.18 | 46 | 10 | 59 % | 89 % |
| 42 | Keywords in pages top 5 most used phrases | -0.18 | 4 | 2 | 61 % | 80 % |
| 43 | LSI Words in H2 Tags Relevancy | -0.18 | 75 | 15 | 62 % | 59 % |
| 44 | Entities in H2 Tags | -0.18 | 54 | 7 | 56 % | 31 % |
| 45 | Number of Links Authority | -0.18 | 427 | 139 | 87 % | 81 % |
| 46 | Variations in Search Result Document File Name Relevancy | -0.18 | 5 | 2 | 66 % | 66 % |
| 47 | Number of DoFollow Links Authority | -0.17 | 420 | 132 | 87 % | 80 % |
| 48 | Variations in First 100 Words Relevancy | -0.17 | 32 | 8 | 74 % | 78 % |
| 49 | Exact Matches in Body Tag Relevancy | -0.17 | 162 | 12 | 38 % | 80 % |
| 50 | Entities in H3 Tags | -0.17 | 36 | 8 | 47 % | 31 % |
| 51 | Number of Internal Links Authority | -0.17 | 411 | 122 | 87 % | 82 % |
| 52 | Search Result Uses HTTPS Other | -0.17 | 1 | 1 | 85 % | 73 % |
| 53 | Number of P Tags Size | -0.17 | 236 | 39 | 86 % | 82 % |
| 54 | Variations in Nav Tags Relevancy | -0.17 | 180 | 18 | 45 % | 85 % |
| 55 | Variations in Script Tags Relevancy | -0.17 | 682 | 28 | 65 % | 85 % |
| 56 | Keywords in pages top 3 most used phrases | -0.17 | 2 | 1 | 53 % | 78 % |
| 57 | Exact Matches in Title Tag Relevancy | -0.17 | 2 | 1 | 30 % | 70 % |
| 58 | LSI Words in H1 Tags Relevancy | -0.17 | 20 | 5 | 73 % | 53 % |
| 59 | Leading Variations in Title Tag Relevancy | -0.17 | 1 | 1 | 42 % | 74 % |
| 60 | Page Size Kilobytes Size | -0.17 | 286 | 120 | 94 % | 78 % |
| 61 | Entities in Meta Description Tag Relevancy | -0.17 | 10 | 4 | 61 % | 28 % |
| 62 | Exact Matches in H1-H6 Tags Relevancy | -0.17 | 11 | 2 | 32 % | 75 % |
| 63 | Number of Images with ALT Text Size | -0.17 | 99 | 18 | 79 % | 78 % |
| 64 | TF/IDF Relevancy | -0.16 | 1 | 1 | 75 % | 72 % |
| 65 | LSI Words in H3 Tags Relevancy | -0.16 | 84 | 15 | 55 % | 59 % |
| 66 | Number of Heading Tags Size | -0.16 | 47 | 20 | 88 % | 81 % |
| 67 | Variations in H1 Tags Relevancy | -0.16 | 3 | 2 | 67 % | 75 % |
| 68 | Number of Absolute URLs Authority | -0.16 | 530 | 173 | 93 % | 77 % |
| 69 | Variations in H3 Tags Relevancy | -0.16 | 10 | 3 | 37 % | 88 % |
| 70 | Load Time Milliseconds Performance | -0.16 | 30714 | 2927 | 94 % | 72 % |
| 71 | Number of External Links Authority | -0.16 | 57 | 18 | 81 % | 73 % |
| 72 | Leading Variations in H1 Tags Relevancy | -0.15 | 2 | 1 | 35 % | 76 % |
| 73 | Variations in the last 100 words Relevancy | -0.15 | 21 | 5 | 62 % | 75 % |
| 74 | Number of Images Size | -0.15 | 119 | 27 | 87 % | 77 % |
| 75 | Number of Sentences Size | -0.15 | 221 | 59 | 92 % | 76 % |
| 76 | Number of Questions Size | -0.15 | 48 | 8 | 66 % | 79 % |
| 77 | Exact Matches in A Tags Relevancy | -0.15 | 50 | 3 | 26 % | 75 % |
| 78 | Number of Questions In Headings Size | -0.15 | 7 | 2 | 35 % | 78 % |
| 79 | Variations in OpenGraph Title Relevancy | -0.15 | 3 | 2 | 55 % | 72 % |
| 80 | Number of H2 Tags Size | -0.15 | 15 | 6 | 70 % | 82 % |
| 81 | Variations in TITLE Attributes Relevancy | -0.15 | 84 | 8 | 49 % | 80 % |
| 82 | Leading Variations in H2 Tags Relevancy | -0.15 | 5 | 1 | 24 % | 80 % |
| 83 | Search Result Publish Date | -0.15 | 2005919508 | 1858584017 | 89 % | 43 % |
| 84 | Variations in Main Tags Relevancy | -0.15 | 226 | 39 | 25 % | 78 % |
| 85 | Exact Matches in Sentences Relevancy | -0.15 | 33 | 3 | 28 % | 78 % |
| 86 | Variations Making Whole Span Tags Relevancy | -0.15 | 8 | 1 | 22 % | 80 % |
| 87 | Variations in OpenGraph Description Relevancy | -0.15 | 10 | 2 | 47 % | 77 % |
| 88 | Number of US Phone Numbers Trust | -0.15 | 45 | 7 | 40 % | 71 % |
| 89 | Entities in H1 Tags | -0.15 | 7 | 3 | 66 % | 27 % |
| 90 | Percentage of DoFollow Links Authority | -0.15 | 100 | 89 | 86 % | 67 % |
| 91 | Number of DoFollow External Links Authority | -0.15 | 53 | 15 | 79 % | 74 % |
| 92 | Number of H3 Tags Size | -0.15 | 24 | 8 | 64 % | 82 % |
| 93 | Exact Matches in H1 Tags Relevancy | -0.15 | 2 | 1 | 24 % | 68 % |
| 94 | Search Result Link Text Length Size | -0.14 | 78 | 54 | 95 % | 62 % |
| 95 | Variations in Section Tags Relevancy | -0.14 | 83 | 16 | 35 % | 81 % |
| 96 | Variations making whole A Tags Relevancy | -0.14 | 8 | 2 | 39 % | 78 % |
| 97 | Variations in Strong Tags Relevancy | -0.14 | 18 | 3 | 34 % | 80 % |
| 98 | Number of Nofollow Links Authority | -0.14 | 49 | 7 | 37 % | 77 % |
| 99 | Title Tag Has Entities Relevancy | -0.14 | 1 | 1 | 81 % | 23 % |
| 100 | Variations in Footer Tags Relevancy | -0.14 | 57 | 7 | 35 % | 81 % |
| 101 | Has Canonical URL Authority | -0.14 | 1 | 1 | 72 % | 74 % |
| 102 | Number of HREF Lang Tags Size | -0.14 | 16 | 2 | 12 % | 74 % |
| 103 | Meta Description Length Size | -0.14 | 271 | 124 | 69 % | 78 % |
| 104 | Word Count in Meta Description Size | -0.14 | 45 | 21 | 69 % | 78 % |
| 105 | Variations making whole H1-H6 Tags Relevancy | -0.14 | 2 | 1 | 20 % | 70 % |
| 106 | Variations in I Tags Relevancy | -0.14 | 19 | 3 | 22 % | 80 % |
| 107 | Percentage of DoFollow Internal Links Authority | -0.14 | 95 | 77 | 85 % | 68 % |
| 108 | Number of Questions In H2 Tags Size | -0.14 | 3 | 1 | 19 % | 72 % |
| 109 | Variations Making Whole LI Tags Relevancy | -0.14 | 6 | 1 | 28 % | 79 % |
| 110 | Number of Social Accounts Authority | -0.14 | 5 | 2 | 52 % | 70 % |
| 111 | Variations in Class Attributes Relevancy | -0.14 | 171 | 8 | 33 % | 73 % |
| 112 | Title Has Sales Words Other | -0.14 | 1 | 1 | 18 % | 65 % |
| 113 | Exact Matches in Meta Description Relevancy | -0.14 | 2 | 1 | 18 % | 71 % |
| 114 | Has FavIcon Technology | -0.14 | 1 | 1 | 73 % | 63 % |
| 115 | Variations in H4-H6 Tags Relevancy | -0.14 | 11 | 2 | 24 % | 77 % |
| 116 | Has Meta Description Relevancy | -0.14 | 1 | 1 | 69 % | 73 % |
| 117 | Headings Has Question Other | -0.14 | 1 | 1 | 35 % | 70 % |
| 118 | Title Has Sentiment Words Other | -0.14 | 1 | 1 | 19 % | 65 % |
| 119 | Title Has Year Other | -0.14 | 1 | 1 | 13 % | 63 % |
| 120 | Has Privacy Policy Trust | -0.14 | 1 | 1 | 56 % | 66 % |
| 121 | Variations in Meta Twitter Description Relevancy | -0.14 | 9 | 2 | 32 % | 72 % |
| 122 | Title Has Best Other | -0.13 | 1 | 1 | 12 % | 58 % |
| 123 | LSI Words in H4 Tags Relevancy | -0.13 | 33 | 7 | 35 % | 52 % |
| 124 | Entities in H4 Tags | -0.13 | 12 | 4 | 29 % | 30 % |
| 125 | Title Word Count Size | -0.13 | 28 | 9 | 91 % | 60 % |
| 126 | Leading Variations in H3 Tags Relevancy | -0.13 | 6 | 1 | 18 % | 79 % |
| 127 | Has DocType Tag Technology | -0.13 | 1 | 1 | 86 % | 58 % |
| 128 | Number of Includes Technology | -0.13 | 66 | 20 | 88 % | 57 % |
| 129 | Keywords in pages most used phrase | -0.13 | 1 | 1 | 27 % | 70 % |
| 130 | Title Length Size | -0.13 | 181 | 57 | 91 % | 57 % |
| 131 | Number of CSS Includes Technology | -0.13 | 25 | 8 | 84 % | 57 % |
| 132 | Search Result Link Text Has Year Other | -0.13 | 1 | 1 | 13 % | 55 % |
| 133 | Meta Description Tag Has Entities Relevancy | -0.13 | 1 | 1 | 62 % | 26 % |
| 134 | Number of Twitter Accounts Authority | -0.13 | 3 | 1 | 44 % | 66 % |
| 135 | Variations in Article Tags Relevancy | -0.13 | 196 | 23 | 32 % | 72 % |
| 136 | Number of JavaScript Includes Technology | -0.13 | 46 | 13 | 85 % | 57 % |
| 137 | Has Entities in H2 Tags Relevancy | -0.13 | 1 | 1 | 56 % | 25 % |
| 138 | Variations making whole H1, H2, and H3 Tags Relevancy | -0.13 | 2 | 1 | 18 % | 70 % |
| 139 | Variations in Meta Twitter Content Relevancy | -0.13 | 3 | 1 | 35 % | 67 % |
| 140 | Variations in ID Attributes Relevancy | -0.13 | 8 | 2 | 15 % | 79 % |
| 141 | Search Result Number of Dirs in Path Other | -0.13 | 4 | 2 | 81 % | 58 % |
| 142 | Has HREF Lang Technology | -0.13 | 1 | 1 | 12 % | 67 % |
| 143 | Has Entities in H1 Tags Relevancy | -0.13 | 1 | 1 | 67 % | 24 % |
| 144 | Percentage of DoFollow External Links Authority | -0.13 | 29 | 14 | 77 % | 61 % |
| 145 | Percentage of NoFollow Links Authority | -0.13 | 20 | 5 | 36 % | 72 % |
| 146 | Variations in H4 Tags Relevancy | -0.13 | 10 | 1 | 19 % | 79 % |
| 147 | Number of Forms Technology | -0.13 | 14 | 3 | 67 % | 67 % |
| 148 | Has Terms of Service Trust | -0.13 | 1 | 1 | 40 % | 63 % |
| 149 | Exact Matches in H2 Tags Relevancy | -0.13 | 6 | 1 | 15 % | 71 % |
| 150 | Has Contact Page Trust | -0.13 | 1 | 1 | 62 % | 51 % |
| 151 | Number of Social Pages Authority | -0.13 | 10 | 2 | 45 % | 70 % |
| 152 | Has JSON-LD Schema Markup Relevancy | -0.13 | 1 | 1 | 29 % | 67 % |
| 153 | Body Tag Size Kilobytes Size | -0.13 | 230 | 62 | 79 % | 69 % |
| 154 | Number of NoFollow External Links Authority | -0.13 | 19 | 3 | 25 % | 74 % |
| 155 | Inline JavaScript Kilobytes Size | -0.13 | 154 | 22 | 88 % | 68 % |
| 156 | Number of H4 Tags Size | -0.13 | 16 | 4 | 44 % | 76 % |
| 157 | Search Result Has Schema Other | -0.13 | 1 | 1 | 6 % | 53 % |
| 158 | Variations making whole H1 Tags Relevancy | -0.12 | 1 | 1 | 12 % | 70 % |
| 159 | Variations in Em Tags Relevancy | -0.12 | 5 | 1 | 11 % | 71 % |
| 160 | Number of Questions In H3 Tags Size | -0.12 | 5 | 1 | 14 % | 71 % |
| 161 | Has US Phone Number Trust | -0.12 | 1 | 1 | 38 % | 55 % |
| 162 | Variations in Host Citations Relevancy | -0.12 | 261 | 7 | 16 % | 71 % |
| 163 | Has Entities in H3 Tags Relevancy | -0.12 | 1 | 1 | 49 % | 25 % |
| 164 | Variations in Search Result URL Domain Name Relevancy | -0.12 | 1 | 1 | 5 % | 48 % |
| 165 | Head Size Kilobytes Size | -0.12 | 148 | 29 | 90 % | 67 % |
| 166 | Has JSON-LD Website | -0.12 | 1 | 1 | 29 % | 55 % |
| 167 | Number of Facebook Accounts Authority | -0.12 | 4 | 1 | 32 % | 70 % |
| 168 | Has JSON-LD ImageObject | -0.12 | 1 | 1 | 27 % | 59 % |
| 169 | Has MicroData Relevancy | -0.12 | 1 | 1 | 36 % | 60 % |
| 170 | Variations in Search Result Summary Relevancy | -0.12 | 7 | 3 | 89 % | 60 % |
| 171 | Number of Email Addresses Trust | -0.12 | 12 | 2 | 35 % | 68 % |
| 172 | Number of HTML Comments Size | -0.12 | 117 | 29 | 84 % | 69 % |
| 173 | Has OpenGraph Image Relevancy | -0.12 | 1 | 1 | 47 % | 64 % |
| 174 | Inline CSS Kilobytes Size | -0.12 | 128 | 19 | 52 % | 71 % |
| 175 | Search Result Summary Length Size | -0.12 | 634 | 270 | 94 % | 58 % |
| 176 | Has Schema Markup Relevancy | -0.12 | 1 | 1 | 44 % | 61 % |
| 177 | Has Meta Twitter Description Authority | -0.12 | 1 | 1 | 36 % | 59 % |
| 178 | Has MicroData name | -0.12 | 1 | 1 | 23 % | 61 % |
| 179 | Number of Instagram Pages Authority | -0.12 | 9 | 1 | 28 % | 67 % |
| 180 | Has JSON-LD Organization | -0.12 | 1 | 1 | 28 % | 62 % |
| 181 | Percentage of NoFollow Internal Links Authority | -0.12 | 13 | 3 | 25 % | 70 % |
| 182 | Has JSON-LD WebPage | -0.12 | 1 | 1 | 28 % | 57 % |
| 183 | Has Form Technology | -0.12 | 1 | 1 | 65 % | 60 % |
| 184 | Has OpenGraph Type Relevancy | -0.12 | 1 | 1 | 56 % | 62 % |
| 185 | Leading Variations in Meta Description Relevancy | -0.12 | 1 | 1 | 11 % | 66 % |
| 186 | Search Result Has Rating Other | -0.12 | 1 | 1 | 6 % | 51 % |
| 187 | LSI Words in H5 Tags Relevancy | -0.12 | 18 | 3 | 14 % | 46 % |
| 188 | Has Meta Twitter Site Authority | -0.12 | 1 | 1 | 21 % | 59 % |
| 189 | Variations in Form Tags Relevancy | -0.12 | 5 | 1 | 13 % | 69 % |
| 190 | Variations in Value Attributes Relevancy | -0.12 | 17 | 2 | 13 % | 71 % |
| 191 | Has Meta Twitter Card Authority | -0.12 | 1 | 1 | 42 % | 56 % |
| 192 | Flesch Kincaid Reading Grade Level Other | -0.12 | 54 | 3 | 85 % | 64 % |
| 193 | Variations in OpenGraph Site Name Relevancy | -0.11 | 1 | 1 | 13 % | 63 % |
| 194 | Number of YouTube Accounts Technology | -0.11 | 1 | 1 | 14 % | 70 % |
| 195 | Has Meta Twitter Title Authority | -0.11 | 1 | 1 | 38 % | 57 % |
| 196 | Percentage of NoFollow External Links Authority | -0.11 | 17 | 3 | 23 % | 71 % |
| 197 | Variations Making Whole Strong Tags Relevancy | -0.11 | 4 | 1 | 7 % | 72 % |
| 198 | Number of LinkedIn Pages Authority | -0.11 | 2 | 1 | 23 % | 66 % |
| 199 | Variations in Style Tags Relevancy | -0.11 | 168 | 6 | 15 % | 71 % |
| 200 | Number of Questions In H4 Tags Size | -0.11 | 3 | 1 | 7 % | 65 % |