[ Ahrefs, SEMRush, DomDetailer, SpyFu APIs ]
[ Wappalyzer API ]
SEO Factor ClassSize ( 54327 )Relevancy ( 53933 ) Other ( 32548 ) Local ( 8979 ) 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 ( 54323 )Keywords ( 41835 ) Schema ( 32494 ) Local ( 8980 ) 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 Top 100 Shared Factors Used Diversity | -0.3 | 85 | 59 | 97 % | 27 % |
| 2 | Number of Top 50 Shared Factors Used Diversity | -0.3 | 44 | 29 | 97 % | 27 % |
| 3 | Number of Top 200 Shared Factors Used Diversity | -0.28 | 143 | 103 | 97 % | 27 % |
| 4 | Number of Distinct Entities Used Diversity | -0.27 | 63 | 30 | 95 % | 72 % |
| 5 | Number of Factors Used Diversity | -0.24 | 215 | 138 | 97 % | 93 % |
| 6 | Entities in H3 Tags | -0.21 | 24 | 6 | 52 % | 72 % |
| 7 | Search Result Summary Length Size | -0.21 | 360 | 152 | 93 % | 85 % |
| 8 | Entities in Title Tag Relevancy | -0.21 | 7 | 3 | 82 % | 70 % |
| 9 | Variations in HTML Tags Relevancy | -0.21 | 42438 | 353 | 92 % | 95 % |
| 10 | Entities in H2 Tags | -0.2 | 38 | 7 | 64 % | 72 % |
| 11 | Variations in Div Tags Relevancy | -0.2 | 20964 | 224 | 90 % | 94 % |
| 12 | Variations in H1-H6 Tags Relevancy | -0.2 | 160 | 9 | 84 % | 95 % |
| 13 | Variations in H1, H2, and H3 Tags Relevancy | -0.2 | 122 | 8 | 83 % | 93 % |
| 14 | Variations in Body Tags Relevancy | -0.2 | 25607 | 289 | 88 % | 95 % |
| 15 | Variations in A Tags Relevancy | -0.19 | 5079 | 43 | 85 % | 94 % |
| 16 | Variations in H1 and H2 Tags Relevancy | -0.19 | 66 | 5 | 80 % | 93 % |
| 17 | Term Frequency Relevancy | -0.19 | 11 | 5 | 92 % | 93 % |
| 18 | Variations in P Tags Relevancy | -0.19 | 2297 | 45 | 84 % | 92 % |
| 19 | Variations in Script Tags Relevancy | -0.19 | 13062 | 83 | 71 % | 93 % |
| 20 | Clean Keyword Density in the HTML Tag Relevancy | -0.19 | 204 | 6 | 88 % | 86 % |
| 21 | Variations in Distinct A Tag HREF Attributes Relevancy | -0.19 | 2561 | 41 | 82 % | 94 % |
| 22 | Variations in A Tag HREF Attributes Relevancy | -0.19 | 3423 | 60 | 82 % | 95 % |
| 23 | Keywords in pages top 10 most used phrases | -0.18 | 22 | 3 | 77 % | 89 % |
| 24 | DomDetailer Moz PA Authority | -0.18 | 73 | 42 | 85 % | 38 % |
| 25 | Variations in Sentences Relevancy | -0.18 | 1728 | 32 | 85 % | 91 % |
| 26 | Variations in Search Result Display URL Relevancy | -0.18 | 13 | 2 | 90 % | 81 % |
| 27 | Variations in Search Result Link Text Relevancy | -0.18 | 13 | 2 | 90 % | 81 % |
| 28 | DomDetailer Majestic Referring Domains Authority | -0.18 | 2388627 | 300719 | 85 % | 42 % |
| 29 | DomDetailer Majestic IPs Authority | -0.18 | 351762 | 50169 | 85 % | 41 % |
| 30 | Keywords in pages top 5 most used phrases | -0.18 | 11 | 2 | 68 % | 89 % |
| 31 | DomDetailer Majestic Referring Subnets Authority | -0.18 | 79786 | 14304 | 85 % | 41 % |
| 32 | Variations in H2 Tags Relevancy | -0.18 | 58 | 4 | 57 % | 93 % |
| 33 | Variations in LI Tags Relevancy | -0.18 | 1297 | 26 | 78 % | 92 % |
| 34 | Page Size Kilobytes Size | -0.17 | 461 | 140 | 96 % | 87 % |
| 35 | Body Tag Size Kilobytes Size | -0.17 | 260 | 79 | 85 % | 90 % |
| 36 | Ahrefs Referring Domains Authority | -0.17 | 2638 | 96 | 41 % | 17 % |
| 37 | Ahrefs Referring Class C Addresses Authority | -0.17 | 1228 | 53 | 41 % | 17 % |
| 38 | DomDetailer Majestic CF Authority | -0.17 | 70 | 36 | 84 % | 39 % |
| 39 | Ahrefs Referring IP Addresses Authority | -0.17 | 2175 | 82 | 41 % | 17 % |
| 40 | Leading Variations in H1-H6 Tags Relevancy | -0.17 | 35 | 2 | 56 % | 91 % |
| 41 | LSI Words in Sentences Relevancy | -0.17 | 3028 | 570 | 74 % | 96 % |
| 42 | Variations in Search Result Summary Relevancy | -0.17 | 49 | 3 | 89 % | 78 % |
| 43 | Number of HTML Tags Size | -0.17 | 2719 | 787 | 97 % | 82 % |
| 44 | Entities in Meta Description Tag Relevancy | -0.17 | 10 | 4 | 64 % | 64 % |
| 45 | Keywords in pages top 3 most used phrases | -0.17 | 6 | 1 | 60 % | 86 % |
| 46 | Exact Matches in the HTML Tag Relevancy | -0.17 | 297 | 10 | 43 % | 85 % |
| 47 | Exact Matches in Body Tag Relevancy | -0.17 | 217 | 12 | 42 % | 91 % |
| 48 | Entities in Sentences Relevancy | -0.17 | 449 | 105 | 68 % | 97 % |
| 49 | Ahrefs Text Backlinks Authority | -0.17 | 1397815 | 19749 | 41 % | 17 % |
| 50 | DomDetailer Moz DA Authority | -0.17 | 88 | 43 | 85 % | 37 % |
| 51 | Ahrefs Backlinks Authority | -0.17 | 1397838 | 19770 | 41 % | 17 % |
| 52 | Ahrefs Referring Pages Authority | -0.17 | 1397836 | 19770 | 41 % | 17 % |
| 53 | Variations in Search Result URL Relevancy | -0.17 | 37 | 2 | 62 % | 83 % |
| 54 | Leading Variations in H1, H2, and H3 Tags Relevancy | -0.17 | 26 | 2 | 51 % | 89 % |
| 55 | DomDetailer Majestic TF Authority | -0.17 | 64 | 29 | 80 % | 37 % |
| 56 | Exact Matches in H1-H6 Tags Relevancy | -0.17 | 11 | 1 | 28 % | 87 % |
| 57 | Variations in Search Result URL Path Relevancy | -0.17 | 30 | 2 | 60 % | 81 % |
| 58 | Variations in the Title Tag Relevancy | -0.16 | 14 | 2 | 84 % | 81 % |
| 59 | Variation Density in Top 30KB Relevancy | -0.16 | 351 | 6 | 81 % | 85 % |
| 60 | Ahrefs NoFollow Backlinks Authority | -0.16 | 117683 | 2168 | 36 % | 17 % |
| 61 | Unabridged Word Count Size | -0.16 | 5326 | 1691 | 95 % | 82 % |
| 62 | DomDetailer Facebook Shares Authority | -0.16 | 9017200 | -6012978 | 80 % | 40 % |
| 63 | Clean Text Kilobytes Size | -0.16 | 29 | 11 | 92 % | 81 % |
| 64 | DomDetailer Moz Rank Authority | -0.16 | 9 | 5 | 84 % | 37 % |
| 65 | Number of Questions Size | -0.16 | 23 | 6 | 66 % | 86 % |
| 66 | Ahrefs Rank Authority | -0.16 | 34 | 10 | 53 % | 15 % |
| 67 | Word Count Size | -0.16 | 5031 | 1421 | 95 % | 80 % |
| 68 | Entities in the HTML Tag Relevancy | -0.16 | 1339 | 327 | 69 % | 97 % |
| 69 | Variations in Main Tags Relevancy | -0.16 | 8691 | 77 | 35 % | 86 % |
| 70 | Variations in Meta Description Relevancy | -0.16 | 40 | 2 | 65 % | 84 % |
| 71 | Variations in Nav Tags Relevancy | -0.16 | 5533 | 50 | 54 % | 89 % |
| 72 | Variations in the Canonical URL Relevancy | -0.16 | 5 | 2 | 65 % | 88 % |
| 73 | Variations in Span Tags Relevancy | -0.16 | 634 | 13 | 62 % | 90 % |
| 74 | Variations in First 100 Words Relevancy | -0.16 | 208 | 10 | 77 % | 83 % |
| 75 | DomDetailer Majestic Links Authority | -0.16 | 203933349 | 4688970 | 85 % | 39 % |
| 76 | DomDetailer Moz Links Authority | -0.16 | 138462603 | 13929682 | 85 % | 41 % |
| 77 | Number of HTTPS Links Authority | -0.16 | 386 | 127 | 92 % | 82 % |
| 78 | Number of DoFollow Links Authority | -0.16 | 379 | 127 | 93 % | 81 % |
| 79 | Number of Sentences Size | -0.16 | 170 | 58 | 93 % | 82 % |
| 80 | Variations in H3 Tags Relevancy | -0.16 | 75 | 3 | 42 % | 91 % |
| 81 | Title Tag Has Entities Relevancy | -0.16 | 1 | 1 | 83 % | 58 % |
| 82 | Number of Internal Links Authority | -0.15 | 359 | 114 | 92 % | 82 % |
| 83 | Number of P Tags Size | -0.15 | 156 | 36 | 91 % | 85 % |
| 84 | Ahrefs Dofollow Backlinks Authority | -0.15 | 1392345 | 17733 | 35 % | 17 % |
| 85 | Number of Links Authority | -0.15 | 387 | 131 | 93 % | 82 % |
| 86 | Entities in H4 Tags | -0.15 | 11 | 3 | 28 % | 70 % |
| 87 | Has Entities in H2 Tags Relevancy | -0.15 | 1 | 1 | 66 % | 66 % |
| 88 | Entities in H1 Tags | -0.15 | 5 | 2 | 67 % | 66 % |
| 89 | LSI Words in Title Tag Relevancy | -0.15 | 15 | 5 | 71 % | 93 % |
| 90 | TF/IDF Relevancy | -0.15 | 2 | 1 | 77 % | 82 % |
| 91 | Variations in Absolute URLs Relevancy | -0.15 | 5591 | 64 | 74 % | 90 % |
| 92 | Number of Prices Size | -0.15 | 112 | 28 | 70 % | 23 % |
| 93 | Variations in Search Result Document File Name Relevancy | -0.15 | 28 | 2 | 58 % | 76 % |
| 94 | Variations in ALT Attributes Relevancy | -0.15 | 183 | 7 | 55 % | 90 % |
| 95 | Number of Heading Tags Size | -0.15 | 48 | 21 | 92 % | 87 % |
| 96 | Inline JavaScript Kilobytes Size | -0.15 | 129 | 29 | 90 % | 84 % |
| 97 | Variations in the last 100 words Relevancy | -0.15 | 208 | 6 | 66 % | 83 % |
| 98 | Variations in ID Attributes Relevancy | -0.15 | 532 | 5 | 17 % | 84 % |
| 99 | Has Entities in H3 Tags Relevancy | -0.15 | 1 | 1 | 54 % | 65 % |
| 100 | LSI Words in H2 Tags Relevancy | -0.15 | 71 | 15 | 59 % | 96 % |
| 101 | DomDetailer Majestic GOV Backlinks Authority | -0.15 | 29753663 | 3190002 | 43 % | 37 % |
| 102 | Head Size Kilobytes Size | -0.14 | 127 | 44 | 91 % | 80 % |
| 103 | Variations in OpenGraph Description Relevancy | -0.14 | 44 | 2 | 56 % | 82 % |
| 104 | Variations in H1 Tags Relevancy | -0.14 | 9 | 2 | 70 % | 81 % |
| 105 | Number of Questions In Headings Size | -0.14 | 7 | 2 | 39 % | 35 % |
| 106 | Has Entities in H1 Tags Relevancy | -0.14 | 1 | 1 | 70 % | 61 % |
| 107 | Leading Variations in Title Tag Relevancy | -0.14 | 1 | 1 | 37 % | 78 % |
| 108 | Headings Has Question Other | -0.14 | 1 | 1 | 40 % | 81 % |
| 109 | Inline CSS Kilobytes Size | -0.14 | 102 | 32 | 62 % | 81 % |
| 110 | Number of Images Size | -0.14 | 84 | 24 | 90 % | 82 % |
| 111 | Number of Images with ALT Text Size | -0.14 | 65 | 16 | 84 % | 84 % |
| 112 | Search Result Publish Date | -0.14 | 2007990747 | 1955364088 | 97 % | 42 % |
| 113 | Search Result Number of Dirs in Path Other | -0.14 | 4 | 2 | 72 % | 61 % |
| 114 | Number of H3 Tags Size | -0.14 | 20 | 8 | 70 % | 85 % |
| 115 | Exact Matches in H2 Tags Relevancy | -0.14 | 5 | 1 | 13 % | 88 % |
| 116 | Variations Making Whole Span Tags Relevancy | -0.14 | 19 | 1 | 21 % | 84 % |
| 117 | Variations Making Whole LI Tags Relevancy | -0.14 | 5 | 1 | 30 % | 85 % |
| 118 | Meta Description Tag Has Entities Relevancy | -0.14 | 1 | 1 | 66 % | 56 % |
| 119 | Variations in Footer Tags Relevancy | -0.14 | 2347 | 19 | 44 % | 87 % |
| 120 | Number of Absolute URLs Authority | -0.14 | 351 | 126 | 94 % | 82 % |
| 121 | Leading Variations in H2 Tags Relevancy | -0.14 | 10 | 1 | 26 % | 88 % |
| 122 | Exact Matches in Top 30KB Relevancy | -0.14 | 40 | 3 | 32 % | 70 % |
| 123 | Number of HREF Lang Tags Size | -0.14 | 16 | 2 | 10 % | 74 % |
| 124 | Leading Variations in H1 Tags Relevancy | -0.14 | 2 | 1 | 30 % | 82 % |
| 125 | LSI Words in H3 Tags Relevancy | -0.13 | 63 | 15 | 51 % | 94 % |
| 126 | Exact Matches in Sentences Relevancy | -0.13 | 32 | 3 | 29 % | 88 % |
| 127 | Number of Questions In H3 Tags Size | -0.13 | 4 | 1 | 16 % | 84 % |
| 128 | Variations in Strong Tags Relevancy | -0.13 | 111 | 3 | 36 % | 84 % |
| 129 | Search Result Uses HTTPS Other | -0.13 | 1 | 1 | 93 % | 64 % |
| 130 | Variations making whole H1-H6 Tags Relevancy | -0.13 | 6 | 1 | 15 % | 79 % |
| 131 | Number of H2 Tags Size | -0.13 | 15 | 7 | 79 % | 85 % |
| 132 | Variations in OpenGraph Title Relevancy | -0.13 | 11 | 2 | 62 % | 80 % |
| 133 | Ahrefs Has Dofollow Backlinks Authority | -0.13 | 1 | 1 | 35 % | 17 % |
| 134 | Number of External Links Authority | -0.13 | 68 | 18 | 89 % | 76 % |
| 135 | LSI Words in Meta Description Tag Relevancy | -0.13 | 24 | 9 | 55 % | 88 % |
| 136 | Load Time Milliseconds Performance | -0.13 | 21494 | 2007 | 97 % | 73 % |
| 137 | Flesch Kincaid Reading Ease | -0.13 | 159 | 103 | 97 % | 27 % |
| 138 | Ahrefs Has Text Backlinks Authority | -0.13 | 1 | 1 | 39 % | 17 % |
| 139 | Variations making whole H1, H2, and H3 Tags Relevancy | -0.13 | 2 | 1 | 13 % | 74 % |
| 140 | Number of Questions In H2 Tags Size | -0.13 | 4 | 1 | 23 % | 83 % |
| 141 | Variation Count in Top 30KB Relevancy | -0.13 | 5546 | 51 | 87 % | 78 % |
| 142 | Ahrefs Has Backlinks Authority | -0.13 | 1 | 1 | 40 % | 17 % |
| 143 | Number of Bytes to First Match Size | -0.13 | 8640065 | 473142 | 97 % | 63 % |
| 144 | Exact Matches in A Tags Relevancy | -0.13 | 49 | 2 | 25 % | 86 % |
| 145 | Number Of JSON-LD Types Relevancy | -0.13 | 48 | 9 | 57 % | 82 % |
| 146 | Variations in Section Tags Relevancy | -0.13 | 897 | 23 | 41 % | 86 % |
| 147 | Variations in H4-H6 Tags Relevancy | -0.13 | 38 | 2 | 27 % | 85 % |
| 148 | Ahrefs Has NoFollow Backlinks Authority | -0.13 | 1 | 1 | 33 % | 16 % |
| 149 | Exact Matches in Title Tag Relevancy | -0.13 | 2 | 1 | 28 % | 83 % |
| 150 | Variations in Article Tags Relevancy | -0.13 | 844 | 23 | 34 % | 76 % |
| 151 | Variations in TITLE Attributes Relevancy | -0.13 | 326 | 7 | 38 % | 86 % |
| 152 | Search Result URL Length Size | -0.13 | 95 | 56 | 97 % | 48 % |
| 153 | Leading Variations in H3 Tags Relevancy | -0.13 | 16 | 1 | 18 % | 82 % |
| 154 | Percentage of DoFollow Internal Links Authority | -0.12 | 94 | 79 | 91 % | 74 % |
| 155 | Variations making whole A Tags Relevancy | -0.12 | 6 | 1 | 36 % | 87 % |
| 156 | Ahrefs Internal Links Authority | -0.12 | 330 | 71 | 46 % | 17 % |
| 157 | Variations in H4 Tags Relevancy | -0.12 | 27 | 2 | 21 % | 85 % |
| 158 | Percentage of DoFollow Links Authority | -0.12 | 100 | 93 | 93 % | 71 % |
| 159 | Number of DoFollow External Links Authority | -0.12 | 58 | 16 | 87 % | 76 % |
| 160 | Bytes To First P Tag Size | -0.12 | 79875 | 53057 | 98 % | 68 % |
| 161 | Word Count in Meta Description Size | -0.12 | 83 | 21 | 72 % | 70 % |
| 162 | Has Privacy Policy Trust | -0.12 | 1 | 1 | 63 % | 73 % |
| 163 | Number of NoFollow External Links Authority | -0.12 | 21 | 3 | 26 % | 75 % |
| 164 | Title Has Sales Words Other | -0.12 | 1 | 1 | 15 % | 74 % |
| 165 | Has Meta Description Relevancy | -0.12 | 1 | 1 | 73 % | 66 % |
| 166 | Keywords in pages most used phrase | -0.12 | 2 | 1 | 36 % | 79 % |
| 167 | Title Has Sentiment Words Other | -0.12 | 1 | 1 | 15 % | 73 % |
| 168 | Has JSON-LD Answer | -0.12 | 1 | 1 | 5 % | 70 % |
| 169 | Meta Description Length Size | -0.12 | 507 | 125 | 72 % | 70 % |
| 170 | Has JSON-LD Question | -0.12 | 1 | 1 | 5 % | 70 % |
| 171 | Has Entities in H4 Tags Relevancy | -0.12 | 1 | 1 | 29 % | 58 % |
| 172 | Has Copyright Trust | -0.12 | 1 | 1 | 74 % | 67 % |
| 173 | Entities in H5 Tags | -0.12 | 5 | 1 | 11 % | 60 % |
| 174 | Variations in Class Attributes Relevancy | -0.12 | 6463 | 36 | 32 % | 81 % |
| 175 | Search Result Summary Has Ellipsis Other | -0.12 | 1 | 1 | 58 % | 53 % |
| 176 | LSI Words in H1 Tags Relevancy | -0.12 | 13 | 4 | 61 % | 90 % |
| 177 | Has Canonical URL Authority | -0.11 | 1 | 1 | 78 % | 73 % |
| 178 | Title Has Year Other | -0.11 | 1 | 1 | 6 % | 70 % |
| 179 | Number of Nofollow Links Authority | -0.11 | 31 | 5 | 34 % | 74 % |
| 180 | Number of US Phone Numbers Trust | -0.11 | 68 | 9 | 50 % | 81 % |
| 181 | Variations in H5 Tags Relevancy | -0.11 | 10 | 1 | 8 % | 77 % |
| 182 | Search Result Link Text Length Size | -0.11 | 58 | 50 | 97 % | 59 % |
| 183 | Flesch Kincaid Reading Grade Level Other | -0.11 | 8 | 5 | 94 % | 26 % |
| 184 | Number of H4 Tags Size | -0.11 | 17 | 5 | 46 % | 79 % |
| 185 | Has Schema Markup Relevancy | -0.11 | 1 | 1 | 68 % | 73 % |
| 186 | Has Terms of Service Trust | -0.11 | 1 | 1 | 42 % | 71 % |
| 187 | Number of Social Accounts Authority | -0.11 | 6 | 2 | 53 % | 70 % |
| 188 | Exact Matches in H1 Tags Relevancy | -0.11 | 2 | 1 | 19 % | 82 % |
| 189 | Has JSON-LD ItemList | -0.11 | 1 | 1 | 2 % | 41 % |
| 190 | Number of Facebook Accounts Authority | -0.11 | 4 | 1 | 37 % | 68 % |
| 191 | Search Result Has Params Other | -0.11 | 1 | 1 | 3 % | 46 % |
| 192 | Variations in Button Tags Relevancy | -0.11 | 1208 | 3 | 7 % | 80 % |
| 193 | Variations in Aside Tags Relevancy | -0.11 | 1785 | 8 | 14 % | 76 % |
| 194 | Ahrefs Pages Size | -0.11 | 6 | 2 | 47 % | 17 % |
| 195 | Number of Images without ALT Text Size | -0.11 | 39 | 9 | 66 % | 72 % |
| 196 | DomDetailer Facebook Comments Authority | -0.11 | 463 | 57 | 10 % | 34 % |
| 197 | Has FavIcon Technology | -0.11 | 1 | 1 | 79 % | 68 % |
| 198 | Has OpenGraph Image Relevancy | -0.11 | 1 | 1 | 53 % | 66 % |
| 199 | Number of HTML Comments Size | -0.11 | 559 | 27 | 77 % | 75 % |
| 200 | Variations in Host Citations Relevancy | -0.11 | 1218 | 10 | 10 % | 79 % |