[ Ahrefs, SEMRush, DomDetailer, SpyFu APIs ]
[ Wappalyzer API ]
SEO Factor ClassSize ( 54333 )Relevancy ( 53940 ) Other ( 32845 ) Local ( 8995 ) 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 ( 32791 ) Local ( 8996 ) 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 | Search Result Domain is .com, .net, or .org Other | -0.26 | 1 | 1 | 5 % | 44 % |
| 2 | Entities in Title Tag Relevancy | -0.25 | 5 | 3 | 76 % | 94 % |
| 3 | Search Result Domain is .com Other | -0.25 | 1 | 1 | 4 % | 44 % |
| 4 | Number of Unique Variations Used Diversity | -0.23 | 10 | 6 | 83 % | 84 % |
| 5 | Variations in Search Result Document File Name Relevancy | -0.22 | 2 | 1 | 47 % | 81 % |
| 6 | Entities in H1 Tags | -0.22 | 3 | 2 | 63 % | 88 % |
| 7 | Number of Top 100 Shared Factors Used Diversity | -0.21 | 35 | 31 | 99 % | 84 % |
| 8 | Number of Top 200 Shared Factors Used Diversity | -0.21 | 47 | 41 | 99 % | 88 % |
| 9 | Entities in Sentences Relevancy | -0.2 | 213 | 125 | 78 % | 91 % |
| 10 | Variations in Search Result URL Path Relevancy | -0.2 | 2 | 1 | 51 % | 88 % |
| 11 | Entities in the HTML Tag Relevancy | -0.2 | 217 | 128 | 82 % | 91 % |
| 12 | Number of Unique LSI Words Used Diversity | -0.2 | 552 | 330 | 86 % | 91 % |
| 13 | Number of Distinct Entities Used Diversity | -0.19 | 40 | 28 | 85 % | 97 % |
| 14 | LSI Words in Title Tag Relevancy | -0.19 | 9 | 7 | 83 % | 91 % |
| 15 | Variations in Search Result URL Relevancy | -0.19 | 2 | 2 | 61 % | 81 % |
| 16 | Variations in the Canonical URL Relevancy | -0.19 | 2 | 2 | 59 % | 84 % |
| 17 | Number of Do Follow Backlinks Authority | -0.18 | 20608 | 1666 | 38 % | 72 % |
| 18 | Number of Factors Used Diversity | -0.18 | 218 | 184 | 99 % | 81 % |
| 19 | LSI Words in H1 Tags Relevancy | -0.18 | 10 | 6 | 70 % | 88 % |
| 20 | Entities in Meta Description Tag Relevancy | -0.18 | 6 | 3 | 63 % | 81 % |
| 21 | Number of Top 50 Shared Factors Used Diversity | -0.18 | 15 | 13 | 99 % | 84 % |
| 22 | LSI Words in Sentences Relevancy | -0.18 | 1223 | 779 | 80 % | 88 % |
| 23 | Load Time Milliseconds Performance | -0.18 | 3922 | 1339 | 86 % | 81 % |
| 24 | Exact Matches in the HTML Tag Relevancy | -0.18 | 78 | 5 | 19 % | 88 % |
| 25 | Variations in P Tags Relevancy | -0.18 | 46 | 29 | 71 % | 84 % |
| 26 | Has Entities in H1 Tags Relevancy | -0.17 | 1 | 1 | 65 % | 81 % |
| 27 | LSI Words in Meta Description Tag Relevancy | -0.17 | 17 | 13 | 66 % | 81 % |
| 28 | Entities in H3 Tags | -0.17 | 12 | 7 | 47 % | 94 % |
| 29 | Number of Backlinks Authority | -0.17 | 20802 | 1729 | 42 % | 72 % |
| 30 | Variations in H1 and H2 Tags Relevancy | -0.17 | 6 | 4 | 67 % | 75 % |
| 31 | Variations in H1, H2, and H3 Tags Relevancy | -0.17 | 10 | 6 | 68 % | 81 % |
| 32 | Variations in First 100 Words Relevancy | -0.17 | 14 | 7 | 76 % | 78 % |
| 33 | Entities in H2 Tags | -0.17 | 10 | 6 | 59 % | 84 % |
| 34 | Title Tag Has Entities Relevancy | -0.17 | 1 | 1 | 77 % | 84 % |
| 35 | Variations in H1 Tags Relevancy | -0.17 | 2 | 1 | 60 % | 84 % |
| 36 | Number of CSS Includes Technology | -0.17 | 19 | 11 | 75 % | 72 % |
| 37 | Leading Variations in H1-H6 Tags Relevancy | -0.17 | 3 | 2 | 42 % | 84 % |
| 38 | Variations in H1-H6 Tags Relevancy | -0.17 | 11 | 6 | 69 % | 81 % |
| 39 | Leading Variations in Title Tag Relevancy | -0.17 | 1 | 1 | 28 % | 84 % |
| 40 | Number of Referring Domains Authority | -0.16 | 1261 | 103 | 41 % | 78 % |
| 41 | Variations in Sentences Relevancy | -0.16 | 52 | 35 | 78 % | 94 % |
| 42 | Number of P Tags Size | -0.16 | 73 | 38 | 76 % | 78 % |
| 43 | Percentage of DoFollow Links Authority | -0.16 | 93 | 83 | 81 % | 84 % |
| 44 | Search Result Number of Dirs in Path Other | -0.16 | 3 | 2 | 75 % | 88 % |
| 45 | Variations in Script Tags Relevancy | -0.16 | 356 | 56 | 65 % | 94 % |
| 46 | Number of H1 Tags Size | -0.16 | 3 | 2 | 73 % | 84 % |
| 47 | Leading Variations in H1, H2, and H3 Tags Relevancy | -0.16 | 3 | 2 | 39 % | 84 % |
| 48 | Variations in the Title Tag Relevancy | -0.16 | 2 | 2 | 72 % | 81 % |
| 49 | Number of External Links Authority | -0.16 | 21 | 12 | 75 % | 88 % |
| 50 | Variations in Absolute URLs Relevancy | -0.16 | 128 | 50 | 71 % | 81 % |
| 51 | Variation Count in Top 30KB Relevancy | -0.16 | 37 | 18 | 69 % | 97 % |
| 52 | Exact Matches in Sentences Relevancy | -0.16 | 10 | 2 | 13 % | 81 % |
| 53 | Number of Facebook Pages Authority | -0.16 | 3 | 2 | 61 % | 78 % |
| 54 | Search Result URL Length Size | -0.16 | 77 | 65 | 99 % | 75 % |
| 55 | Variations in LI Tags Relevancy | -0.16 | 50 | 19 | 70 % | 91 % |
| 56 | Variations in Div Tags Relevancy | -0.16 | 225 | 95 | 78 % | 91 % |
| 57 | Variations in H2 Tags Relevancy | -0.16 | 5 | 3 | 53 % | 69 % |
| 58 | Unabridged Word Count Size | -0.16 | 2798 | 1708 | 86 % | 88 % |
| 59 | Variations in Meta Description Relevancy | -0.16 | 2 | 2 | 59 % | 78 % |
| 60 | Term Frequency Relevancy | -0.16 | 4 | 3 | 82 % | 91 % |
| 61 | Word Count in Meta Description Size | -0.15 | 22 | 18 | 67 % | 72 % |
| 62 | Percentage of DoFollow External Links Authority | -0.15 | 19 | 10 | 73 % | 78 % |
| 63 | Uses Schema identifier Other | -0.15 | 1 | 1 | 6 % | 25 % |
| 64 | Uses Microdata description Other | -0.15 | 1 | 1 | 8 % | 28 % |
| 65 | Number of DoFollow External Links Authority | -0.15 | 20 | 11 | 74 % | 91 % |
| 66 | Uses Microdata genre Other | -0.15 | 1 | 1 | 5 % | 25 % |
| 67 | Uses Microdata regionsAllowed Other | -0.15 | 1 | 1 | 5 % | 25 % |
| 68 | Uses Microdata requiresSubscription Other | -0.15 | 1 | 1 | 5 % | 25 % |
| 69 | Uses Schema regionsallowed Other | -0.15 | 1 | 1 | 5 % | 25 % |
| 70 | Uses Schema requiressubscription Other | -0.15 | 1 | 1 | 5 % | 25 % |
| 71 | Variations in A Tags Relevancy | -0.15 | 50 | 20 | 67 % | 88 % |
| 72 | Uses Microdata identifier Other | -0.15 | 1 | 1 | 6 % | 25 % |
| 73 | Uses Microdata playerType Other | -0.15 | 1 | 1 | 5 % | 25 % |
| 74 | Uses Schema playertype Other | -0.15 | 1 | 1 | 5 % | 25 % |
| 75 | Flesch Kincaid Reading Grade Level Other | -0.15 | 3 | 1 | 96 % | 81 % |
| 76 | Has Form Technology | -0.15 | 1 | 1 | 50 % | 75 % |
| 77 | Uses Microdata thumbnail Other | -0.15 | 1 | 1 | 5 % | 25 % |
| 78 | Uses Schema thumbnail Other | -0.15 | 1 | 1 | 5 % | 25 % |
| 79 | Exact Matches in H1-H6 Tags Relevancy | -0.15 | 3 | 1 | 11 % | 81 % |
| 80 | Uses JSON-LD table Other | -0.15 | 1 | 1 | 2 % | 19 % |
| 81 | Uses JSON-LD temporalCoverage Other | -0.15 | 1 | 1 | 2 % | 19 % |
| 82 | Uses Schema table Other | -0.15 | 1 | 1 | 2 % | 19 % |
| 83 | Uses Schema temporalcoverage Other | -0.15 | 1 | 1 | 2 % | 19 % |
| 84 | Variations in Body Tags Relevancy | -0.15 | 474 | 174 | 82 % | 94 % |
| 85 | Variations in HTML Tags Relevancy | -0.15 | 474 | 174 | 82 % | 94 % |
| 86 | Clean Text Kilobytes Size | -0.15 | 17 | 11 | 77 % | 88 % |
| 87 | Variations in TITLE Attributes Relevancy | -0.15 | 12 | 5 | 47 % | 91 % |
| 88 | Variations in OpenGraph Description Relevancy | -0.15 | 2 | 2 | 57 % | 75 % |
| 89 | Number of Images with ALT Text Size | -0.15 | 29 | 15 | 72 % | 81 % |
| 90 | Uses Microdata sameAs Other | -0.15 | 1 | 1 | 3 % | 16 % |
| 91 | Variations making whole H1, H2, and H3 Tags Relevancy | -0.15 | 1 | 1 | 14 % | 81 % |
| 92 | Clean Keyword Density in the HTML Tag Relevancy | -0.15 | 5 | 4 | 76 % | 81 % |
| 93 | Has Meta Viewport Technology | -0.15 | 1 | 1 | 84 % | 78 % |
| 94 | Uses JSON-LD totalTime Other | -0.15 | 1 | 1 | 1 % | 13 % |
| 95 | Uses Schema totaltime Other | -0.15 | 1 | 1 | 1 % | 13 % |
| 96 | Leading Variations in H1 Tags Relevancy | -0.15 | 1 | 1 | 24 % | 84 % |
| 97 | Uses Microdata height Other | -0.15 | 1 | 1 | 5 % | 25 % |
| 98 | Uses Microdata width Other | -0.15 | 1 | 1 | 5 % | 25 % |
| 99 | Title Length Size | -0.15 | 61 | 52 | 86 % | 75 % |
| 100 | Has US Phone Number Trust | -0.15 | 1 | 1 | 44 % | 50 % |
| 101 | Number of HTML Comments Size | -0.15 | 398 | 49 | 73 % | 78 % |
| 102 | Number of Includes Technology | -0.14 | 41 | 29 | 84 % | 78 % |
| 103 | Variations making whole H1 Tags Relevancy | -0.14 | 1 | 1 | 6 % | 94 % |
| 104 | Uses Schema mpn Other | -0.14 | 1 | 1 | 1 % | 25 % |
| 105 | Number of Questions Size | -0.14 | 25 | 11 | 73 % | 91 % |
| 106 | Variations in Search Result Display URL Relevancy | -0.14 | 2 | 2 | 88 % | 94 % |
| 107 | Variations in Search Result Link Text Relevancy | -0.14 | 2 | 2 | 88 % | 94 % |
| 108 | Word Count Size | -0.14 | 2313 | 1236 | 86 % | 88 % |
| 109 | Number of HTTPS Links Authority | -0.14 | 260 | 124 | 81 % | 84 % |
| 110 | Number of DoFollow Links Authority | -0.14 | 263 | 122 | 81 % | 84 % |
| 111 | Variations in Strong Tags Relevancy | -0.14 | 5 | 2 | 30 % | 84 % |
| 112 | Variations in Distinct A Tag HREF Attributes Relevancy | -0.14 | 99 | 28 | 64 % | 88 % |
| 113 | Variations in Figure Tags Relevancy | -0.14 | 12 | 4 | 12 % | 59 % |
| 114 | TF/IDF Relevancy | -0.14 | 1 | 1 | 66 % | 84 % |
| 115 | Exact Matches in Top 30KB Relevancy | -0.14 | 6 | 1 | 11 % | 81 % |
| 116 | Number of Links Authority | -0.14 | 271 | 125 | 81 % | 84 % |
| 117 | Is OpenGraph Type Article Technology | -0.14 | 1 | 1 | 41 % | 69 % |
| 118 | Number of Internal Links Authority | -0.14 | 258 | 115 | 81 % | 81 % |
| 119 | Meta Description Length Size | -0.14 | 130 | 111 | 67 % | 72 % |
| 120 | Uses Microdata duration Other | -0.14 | 1 | 1 | 5 % | 25 % |
| 121 | Uses Microdata isFamilyFriendly Other | -0.14 | 1 | 1 | 5 % | 28 % |
| 122 | Has Meta Charset Technology | -0.14 | 1 | 1 | 75 % | 75 % |
| 123 | Variation Density in Top 30KB Relevancy | -0.14 | 3 | 2 | 66 % | 81 % |
| 124 | Variations in ALT Attributes Relevancy | -0.14 | 7 | 4 | 49 % | 78 % |
| 125 | Variations in OpenGraph Title Relevancy | -0.14 | 2 | 2 | 62 % | 81 % |
| 126 | Number of Email Addresses Trust | -0.14 | 9 | 3 | 43 % | 75 % |
| 127 | Variations in Span Tags Relevancy | -0.14 | 17 | 7 | 51 % | 78 % |
| 128 | Exact Matches in Title Tag Relevancy | -0.14 | 1 | 1 | 8 % | 78 % |
| 129 | Uses Schema genre Other | -0.14 | 1 | 1 | 5 % | 28 % |
| 130 | Search Result Not .com .net or .org Other | -0.14 | 1 | 1 | 95 % | 50 % |
| 131 | Number of Sentences Size | -0.14 | 196 | 122 | 85 % | 88 % |
| 132 | Number of Social Pages Authority | -0.14 | 8 | 4 | 65 % | 81 % |
| 133 | Has Entities in H3 Tags Relevancy | -0.14 | 1 | 1 | 49 % | 78 % |
| 134 | Inline JavaScript Kilobytes Size | -0.14 | 213 | 118 | 83 % | 88 % |
| 135 | Page Size Kilobytes Size | -0.14 | 397 | 295 | 85 % | 75 % |
| 136 | Uses JSON-LD disambiguatingDescription | -0.14 | 1 | 1 | 2 % | 25 % |
| 137 | Uses Schema disambiguatingdescription Other | -0.14 | 1 | 1 | 2 % | 25 % |
| 138 | Variations in Section Tags Relevancy | -0.13 | 46 | 16 | 35 % | 75 % |
| 139 | Meta Description Tag Has Entities Relevancy | -0.13 | 1 | 1 | 64 % | 72 % |
| 140 | Number of Images Size | -0.13 | 45 | 24 | 77 % | 84 % |
| 141 | Percentage of DoFollow Internal Links Authority | -0.13 | 87 | 74 | 81 % | 88 % |
| 142 | Number of LinkedIn Pages Authority | -0.13 | 1 | 1 | 22 % | 75 % |
| 143 | Number of Heading Tags Size | -0.13 | 33 | 19 | 78 % | 78 % |
| 144 | Variations making whole H1-H6 Tags Relevancy | -0.13 | 1 | 1 | 15 % | 88 % |
| 145 | Variations in A Tag HREF Attributes Relevancy | -0.13 | 121 | 39 | 64 % | 91 % |
| 146 | Uses Schema homeandconstructionbusiness Other | -0.13 | 1 | 1 | 2 % | 28 % |
| 147 | Is Article Page Other | -0.13 | 1 | 1 | 50 % | 72 % |
| 148 | Uses JSON-LD InteractionCounter Other | -0.13 | 1 | 1 | 3 % | 16 % |
| 149 | LSI Words in H2 Tags Relevancy | -0.13 | 41 | 22 | 70 % | 78 % |
| 150 | Uses Microdata VideoObject Other | -0.13 | 1 | 1 | 4 % | 44 % |
| 151 | Number of Facebook Accounts Authority | -0.13 | 1 | 1 | 29 % | 84 % |
| 152 | Uses Schema telephone Other | -0.13 | 1 | 1 | 17 % | 56 % |
| 153 | Uses JSON-LD headline Other | -0.13 | 1 | 1 | 16 % | 53 % |
| 154 | Has Privacy Policy Trust | -0.13 | 1 | 1 | 55 % | 81 % |
| 155 | Number of HTML Tags Size | -0.13 | 1659 | 887 | 87 % | 88 % |
| 156 | Title Word Count Size | -0.13 | 11 | 8 | 85 % | 78 % |
| 157 | Variations in Em Tags Relevancy | -0.13 | 1 | 1 | 6 % | 84 % |
| 158 | Uses Microdata uploadDate Other | -0.13 | 1 | 1 | 5 % | 31 % |
| 159 | Variations Making Whole Span Tags Relevancy | -0.13 | 1 | 1 | 18 % | 69 % |
| 160 | Uses Microdata LocalBusiness Other | -0.13 | 1 | 1 | 4 % | 19 % |
| 161 | Has Meta Description Relevancy | -0.13 | 1 | 1 | 67 % | 75 % |
| 162 | Has FavIcon Technology | -0.13 | 1 | 1 | 78 % | 75 % |
| 163 | Uses JSON-LD cssSelector Other | -0.13 | 1 | 1 | 1 % | 22 % |
| 164 | Uses Schema cssselector Other | -0.13 | 1 | 1 | 1 % | 22 % |
| 165 | Number of Social Accounts Authority | -0.13 | 2 | 2 | 41 % | 88 % |
| 166 | Uses Microdata thumbnailUrl Other | -0.13 | 1 | 1 | 4 % | 44 % |
| 167 | Search Result Uses HTTPS Other | -0.13 | 1 | 1 | 87 % | 78 % |
| 168 | Uses JSON-LD Dataset Other | -0.13 | 1 | 1 | 2 % | 22 % |
| 169 | Uses Schema dataset Other | -0.13 | 1 | 1 | 2 % | 22 % |
| 170 | Number of No Follow Backlinks Authority | -0.13 | 372 | 64 | 30 % | 75 % |
| 171 | Exact Matches in A Tags Relevancy | -0.13 | 7 | 1 | 9 % | 81 % |
| 172 | Uses JSON-LD PropertyValueSpecification Other | -0.13 | 1 | 1 | 20 % | 53 % |
| 173 | Uses JSON-LD valueName Other | -0.13 | 1 | 1 | 20 % | 53 % |
| 174 | Uses Schema propertyvaluespecification Other | -0.13 | 1 | 1 | 20 % | 53 % |
| 175 | Uses Schema valuename Other | -0.13 | 1 | 1 | 20 % | 53 % |
| 176 | Uses Microdata InteractionCounter Other | -0.13 | 1 | 1 | 7 % | 34 % |
| 177 | Uses Microdata interactionStatistic Other | -0.13 | 1 | 1 | 7 % | 34 % |
| 178 | Uses Microdata interactionType Other | -0.13 | 1 | 1 | 7 % | 34 % |
| 179 | Uses Microdata userInteractionCount Other | -0.13 | 1 | 1 | 7 % | 34 % |
| 180 | Uses Schema interactionstatistic Other | -0.13 | 1 | 1 | 7 % | 34 % |
| 181 | Uses Schema videoobject Other | -0.13 | 1 | 1 | 4 % | 59 % |
| 182 | Variations making whole A Tags Relevancy | -0.13 | 3 | 1 | 29 % | 81 % |
| 183 | Has Entities in H2 Tags Relevancy | -0.13 | 1 | 1 | 59 % | 72 % |
| 184 | Uses JSON-LD price Other | -0.13 | 1 | 1 | 4 % | 47 % |
| 185 | Exact Matches in H1 Tags Relevancy | -0.13 | 1 | 1 | 8 % | 81 % |
| 186 | Uses JSON-LD itemCondition Other | -0.13 | 1 | 1 | 2 % | 19 % |
| 187 | Uses JSON-LD priceValidUntil Other | -0.13 | 1 | 1 | 2 % | 19 % |
| 188 | Uses Microdata video Other | -0.13 | 1 | 1 | 1 % | 19 % |
| 189 | Uses Schema itemcondition Other | -0.13 | 1 | 1 | 2 % | 19 % |
| 190 | Uses Schema pricevaliduntil Other | -0.13 | 1 | 1 | 2 % | 19 % |
| 191 | Uses Schema video Other | -0.13 | 1 | 1 | 1 % | 19 % |
| 192 | Variations Making Whole LI Tags Relevancy | -0.13 | 2 | 1 | 24 % | 66 % |
| 193 | Number of JavaScript Includes Technology | -0.13 | 24 | 19 | 83 % | 81 % |
| 194 | LSI Words in H3 Tags Relevancy | -0.13 | 52 | 24 | 58 % | 91 % |
| 195 | Search Result Summary Length Size | -0.13 | 159 | 154 | 98 % | 78 % |
| 196 | Uses Schema uploaddate Other | -0.13 | 1 | 1 | 4 % | 56 % |
| 197 | Has OpenGraph Type Relevancy | -0.13 | 1 | 1 | 67 % | 78 % |
| 198 | Has Canonical URL Authority | -0.13 | 1 | 1 | 74 % | 81 % |
| 199 | Variations in H3 Tags Relevancy | -0.13 | 5 | 3 | 37 % | 91 % |
| 200 | Uses Microdata acceptedAnswer Other | -0.13 | 1 | 1 | 2 % | 19 % |