[ Ahrefs, SEMRush, DomDetailer, SpyFu APIs ]
[ Wappalyzer API ]
SEO Factor ClassSize ( 54327 )Relevancy ( 53933 ) Other ( 32585 ) Local ( 8979 ) Technology ( 1599 ) Authority ( 163 ) Pay Per Click ( 29 ) Trust ( 15 ) Diversity ( 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 ( 32531 ) 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 50 Shared Factors Used Diversity | -0.35 | 44 | 26 | 98 % | 89 % |
| 2 | Number of Top 100 Shared Factors Used Diversity | -0.34 | 89 | 51 | 98 % | 88 % |
| 3 | Number of Distinct Entities Used Diversity | -0.32 | 65 | 26 | 95 % | 76 % |
| 4 | Number of Factors Used Diversity | -0.3 | 221 | 139 | 97 % | 92 % |
| 5 | Number of Top 200 Shared Factors Used Diversity | -0.29 | 152 | 91 | 98 % | 87 % |
| 6 | Variations in HTML Tags Relevancy | -0.26 | 34222 | 209 | 90 % | 95 % |
| 7 | Ahrefs Rank Authority | -0.26 | 43 | 17 | 82 % | 14 % |
| 8 | Ahrefs Referring IP Addresses Authority | -0.26 | 1570 | 94 | 67 % | 20 % |
| 9 | Ahrefs Referring Class C Addresses Authority | -0.26 | 1002 | 70 | 67 % | 20 % |
| 10 | Ahrefs Referring Domains Authority | -0.25 | 2280 | 117 | 67 % | 20 % |
| 11 | Variations in Body Tags Relevancy | -0.25 | 31482 | 206 | 91 % | 93 % |
| 12 | Ahrefs Referring Pages Authority | -0.24 | 320662 | 6806 | 67 % | 20 % |
| 13 | Ahrefs Text Backlinks Authority | -0.24 | 320265 | 6771 | 66 % | 20 % |
| 14 | Ahrefs Backlinks Authority | -0.24 | 320662 | 6766 | 67 % | 20 % |
| 15 | Variations in H1-H6 Tags Relevancy | -0.24 | 208 | 9 | 81 % | 93 % |
| 16 | Ahrefs NoFollow Backlinks Authority | -0.24 | 26269 | 643 | 58 % | 20 % |
| 17 | Variations in H1, H2, and H3 Tags Relevancy | -0.24 | 149 | 7 | 80 % | 92 % |
| 18 | Variations in Div Tags Relevancy | -0.24 | 16881 | 127 | 87 % | 93 % |
| 19 | Entities in H2 Tags | -0.23 | 24 | 6 | 60 % | 75 % |
| 20 | Variations in P Tags Relevancy | -0.23 | 2938 | 36 | 78 % | 94 % |
| 21 | Entities in H3 Tags | -0.23 | 22 | 6 | 48 % | 75 % |
| 22 | Ahrefs Dofollow Backlinks Authority | -0.23 | 293989 | 6228 | 58 % | 20 % |
| 23 | Variations in H1 and H2 Tags Relevancy | -0.23 | 13 | 5 | 78 % | 90 % |
| 24 | Variations in Sentences Relevancy | -0.22 | 2670 | 28 | 79 % | 94 % |
| 25 | Entities in Sentences Relevancy | -0.22 | 395 | 96 | 74 % | 97 % |
| 26 | Variations in LI Tags Relevancy | -0.22 | 1150 | 18 | 71 % | 92 % |
| 27 | Entities in Title Tag Relevancy | -0.22 | 10 | 3 | 81 % | 72 % |
| 28 | Variations in A Tags Relevancy | -0.22 | 3077 | 26 | 80 % | 93 % |
| 29 | Entities in the HTML Tag Relevancy | -0.22 | 1306 | 284 | 76 % | 95 % |
| 30 | LSI Words in Sentences Relevancy | -0.21 | 4469 | 614 | 78 % | 97 % |
| 31 | Variations in H2 Tags Relevancy | -0.21 | 57 | 4 | 54 % | 91 % |
| 32 | Clean Keyword Density in the HTML Tag Relevancy | -0.21 | 203 | 5 | 84 % | 84 % |
| 33 | Term Frequency Relevancy | -0.2 | 8 | 3 | 88 % | 93 % |
| 34 | Leading Variations in H1-H6 Tags Relevancy | -0.2 | 22 | 3 | 55 % | 90 % |
| 35 | Variation Position Variance | -0.2 | 6874 | 2144 | 89 % | 55 % |
| 36 | Variations in Search Result Display URL Relevancy | -0.2 | 12 | 2 | 88 % | 78 % |
| 37 | Variations in Search Result Link Text Relevancy | -0.2 | 12 | 2 | 88 % | 78 % |
| 38 | Variations in Script Tags Relevancy | -0.2 | 6568 | 40 | 66 % | 94 % |
| 39 | Variations in A Tag HREF Attributes Relevancy | -0.2 | 2004 | 44 | 76 % | 94 % |
| 40 | Body Tag Size Kilobytes Size | -0.2 | 207 | 84 | 83 % | 91 % |
| 41 | Leading Variations in H1, H2, and H3 Tags Relevancy | -0.2 | 15 | 2 | 53 % | 89 % |
| 42 | Variation Density in Top 30KB Relevancy | -0.2 | 301 | 3 | 76 % | 82 % |
| 43 | Variations in Distinct A Tag HREF Attributes Relevancy | -0.2 | 1644 | 30 | 76 % | 94 % |
| 44 | Ahrefs Has Text Backlinks Authority | -0.2 | 1 | 1 | 65 % | 18 % |
| 45 | Average Variation Position | -0.2 | 12645 | 4329 | 91 % | 55 % |
| 46 | Exact Matches in Body Tag Relevancy | -0.2 | 269 | 15 | 38 % | 90 % |
| 47 | Ahrefs Has Backlinks Authority | -0.19 | 1 | 1 | 66 % | 18 % |
| 48 | Keywords in pages top 10 most used phrases | -0.19 | 6 | 2 | 69 % | 86 % |
| 49 | Variations in ALT Attributes Relevancy | -0.19 | 294 | 7 | 53 % | 89 % |
| 50 | Exact Matches in the HTML Tag Relevancy | -0.19 | 372 | 14 | 41 % | 89 % |
| 51 | Ahrefs Has NoFollow Backlinks Authority | -0.19 | 1 | 1 | 57 % | 18 % |
| 52 | DomDetailer Moz PA Authority | -0.19 | 69 | 46 | 98 % | 30 % |
| 53 | Ahrefs Has Dofollow Backlinks Authority | -0.19 | 1 | 1 | 58 % | 19 % |
| 54 | Exact Match Position Variance | -0.19 | 5749 | 910 | 36 % | 46 % |
| 55 | Variations in the Title Tag Relevancy | -0.19 | 14 | 2 | 81 % | 78 % |
| 56 | Number of Sentences Size | -0.19 | 340 | 61 | 93 % | 88 % |
| 57 | Average Exact Match Position | -0.19 | 12009 | 2108 | 42 % | 50 % |
| 58 | Entities in H4 Tags | -0.19 | 11 | 3 | 25 % | 72 % |
| 59 | Page Size Kilobytes Size | -0.19 | 315 | 150 | 96 % | 86 % |
| 60 | Variations in H3 Tags Relevancy | -0.19 | 79 | 3 | 39 % | 89 % |
| 61 | Entities in Meta Description Tag Relevancy | -0.19 | 10 | 3 | 64 % | 68 % |
| 62 | Unabridged Word Count Size | -0.19 | 4766 | 1642 | 96 % | 89 % |
| 63 | Clean Text Kilobytes Size | -0.18 | 28 | 11 | 92 % | 87 % |
| 64 | Variations in Search Result URL Path Relevancy | -0.18 | 14 | 2 | 65 % | 73 % |
| 65 | DomDetailer Majestic Referring Subnets Authority | -0.18 | 65549 | 15135 | 95 % | 33 % |
| 66 | DomDetailer Majestic CF Authority | -0.18 | 64 | 38 | 95 % | 31 % |
| 67 | DomDetailer Moz DA Authority | -0.18 | 80 | 43 | 98 % | 29 % |
| 68 | Variations in Span Tags Relevancy | -0.18 | 548 | 10 | 60 % | 90 % |
| 69 | Keywords in pages top 5 most used phrases | -0.18 | 4 | 2 | 59 % | 86 % |
| 70 | Number of HTML Tags Size | -0.18 | 2623 | 867 | 97 % | 86 % |
| 71 | Variations in Meta Description Relevancy | -0.18 | 43 | 2 | 62 % | 82 % |
| 72 | Word Count Size | -0.18 | 3799 | 1392 | 96 % | 87 % |
| 73 | Variations in Search Result URL Relevancy | -0.18 | 22 | 2 | 67 % | 76 % |
| 74 | DomDetailer Majestic IPs Authority | -0.18 | 277346 | 54176 | 95 % | 34 % |
| 75 | Ahrefs Image Backlinks | -0.18 | 54619 | 1812 | 27 % | 18 % |
| 76 | Variations in Search Result Document File Name Relevancy | -0.18 | 4 | 2 | 67 % | 64 % |
| 77 | DomDetailer Majestic Referring Domains Authority | -0.18 | 1843345 | 339814 | 95 % | 34 % |
| 78 | DomDetailer Majestic TF Authority | -0.18 | 57 | 28 | 83 % | 31 % |
| 79 | Entities in H1 Tags | -0.18 | 11 | 2 | 68 % | 65 % |
| 80 | Ahrefs Internal Links Authority | -0.18 | 730 | 139 | 73 % | 20 % |
| 81 | Ahrefs Pages Size | -0.18 | 7 | 3 | 74 % | 18 % |
| 82 | Variations in H1 Tags Relevancy | -0.18 | 17 | 2 | 70 % | 79 % |
| 83 | Variations in First 100 Words Relevancy | -0.17 | 199 | 8 | 71 % | 77 % |
| 84 | Variations in Absolute URLs Relevancy | -0.17 | 2026 | 41 | 69 % | 90 % |
| 85 | DomDetailer Majestic Links Authority | -0.17 | 87653122 | 8821514 | 96 % | 34 % |
| 86 | Variations in the Canonical URL Relevancy | -0.17 | 56 | 2 | 61 % | 82 % |
| 87 | Number of P Tags Size | -0.17 | 145 | 36 | 90 % | 87 % |
| 88 | Variations in Nav Tags Relevancy | -0.17 | 3537 | 22 | 49 % | 89 % |
| 89 | Keywords in pages top 3 most used phrases | -0.17 | 2 | 1 | 50 % | 86 % |
| 90 | Ahrefs Has Image Backlinks Authority | -0.17 | 1 | 1 | 28 % | 16 % |
| 91 | LSI Words in Title Tag Relevancy | -0.17 | 27 | 7 | 75 % | 89 % |
| 92 | Ahrefs External Links Authority | -0.17 | 133 | 28 | 69 % | 18 % |
| 93 | Number of Heading Tags Size | -0.17 | 101 | 21 | 93 % | 86 % |
| 94 | Variations in Main Tags Relevancy | -0.17 | 7051 | 54 | 35 % | 89 % |
| 95 | Has Entities in H2 Tags Relevancy | -0.17 | 1 | 1 | 63 % | 67 % |
| 96 | Number of Questions Size | -0.17 | 99 | 6 | 67 % | 86 % |
| 97 | Exact Matches in H1-H6 Tags Relevancy | -0.17 | 16 | 2 | 31 % | 87 % |
| 98 | Exact Match Clustering Score | -0.17 | 46 | 15 | 35 % | 42 % |
| 99 | Leading Variations in H2 Tags Relevancy | -0.17 | 4 | 1 | 26 % | 86 % |
| 100 | Variations in OpenGraph Title Relevancy | -0.17 | 9 | 2 | 60 % | 76 % |
| 101 | Variations in OpenGraph Description Relevancy | -0.17 | 40 | 2 | 53 % | 79 % |
| 102 | Exact Matches in Top 30KB Relevancy | -0.17 | 27 | 4 | 33 % | 69 % |
| 103 | DomDetailer Facebook Shares Authority | -0.17 | 11070223 | -9025141 | 89 % | 32 % |
| 104 | DomDetailer Moz Rank Authority | -0.17 | 8 | 5 | 95 % | 28 % |
| 105 | Variations in Search Result Summary Relevancy | -0.17 | 44 | 3 | 90 % | 61 % |
| 106 | Number of HTTPS Links Authority | -0.16 | 491 | 143 | 93 % | 83 % |
| 107 | Number of Internal Links Authority | -0.16 | 460 | 130 | 93 % | 85 % |
| 108 | LSI Words in H2 Tags Relevancy | -0.16 | 94 | 17 | 62 % | 94 % |
| 109 | Has Entities in H1 Tags Relevancy | -0.16 | 1 | 1 | 71 % | 61 % |
| 110 | Number of Links Authority | -0.16 | 493 | 147 | 94 % | 84 % |
| 111 | Variations Making Whole LI Tags Relevancy | -0.16 | 5 | 1 | 30 % | 82 % |
| 112 | Variations making whole A Tags Relevancy | -0.16 | 6 | 1 | 35 % | 83 % |
| 113 | Number of DoFollow Links Authority | -0.16 | 485 | 142 | 94 % | 83 % |
| 114 | DomDetailer Moz Links Authority | -0.16 | 93577704 | 19267901 | 96 % | 34 % |
| 115 | LSI Words in H3 Tags Relevancy | -0.16 | 183 | 17 | 54 % | 93 % |
| 116 | Variations in Footer Tags Relevancy | -0.16 | 1483 | 8 | 35 % | 83 % |
| 117 | Number of Images with ALT Text Size | -0.16 | 77 | 18 | 85 % | 87 % |
| 118 | TF/IDF Relevancy | -0.16 | 1 | 1 | 68 % | 83 % |
| 119 | Number of H3 Tags Size | -0.16 | 25 | 8 | 70 % | 84 % |
| 120 | Variation Count in Top 30KB Relevancy | -0.16 | 5993 | 45 | 83 % | 79 % |
| 121 | Leading Variations in Title Tag Relevancy | -0.16 | 1 | 1 | 39 % | 76 % |
| 122 | Number of Images Size | -0.16 | 108 | 27 | 92 % | 83 % |
| 123 | Ahrefs Domain Rating Authority | -0.16 | 81 | 47 | 91 % | 12 % |
| 124 | Has Entities in H3 Tags Relevancy | -0.16 | 1 | 1 | 51 % | 68 % |
| 125 | Ahrefs Linked Root Domains Authority | -0.16 | 18 | 8 | 72 % | 18 % |
| 126 | Number Of JSON-LD Types Relevancy | -0.16 | 88 | 9 | 57 % | 82 % |
| 127 | Variations making whole H1-H6 Tags Relevancy | -0.16 | 5 | 1 | 19 % | 80 % |
| 128 | Search Result Summary Length Size | -0.15 | 324 | 156 | 97 % | 57 % |
| 129 | Exact Matches in Sentences Relevancy | -0.15 | 32 | 3 | 25 % | 89 % |
| 130 | Title Tag Has Entities Relevancy | -0.15 | 1 | 1 | 83 % | 58 % |
| 131 | Has Entities in H4 Tags Relevancy | -0.15 | 1 | 1 | 27 % | 62 % |
| 132 | Variations Making Whole Span Tags Relevancy | -0.15 | 13 | 1 | 22 % | 86 % |
| 133 | Variations in H4-H6 Tags Relevancy | -0.15 | 59 | 2 | 23 % | 82 % |
| 134 | Ahrefs EDU Backlinks Authority | -0.15 | 49829 | 298 | 10 % | 14 % |
| 135 | Variations in Strong Tags Relevancy | -0.15 | 104 | 3 | 33 % | 84 % |
| 136 | Variations in the last 100 words Relevancy | -0.15 | 197 | 5 | 57 % | 80 % |
| 137 | Variations making whole H1, H2, and H3 Tags Relevancy | -0.15 | 2 | 1 | 17 % | 77 % |
| 138 | Leading Variations in H1 Tags Relevancy | -0.15 | 2 | 1 | 34 % | 79 % |
| 139 | Number of Absolute URLs Authority | -0.15 | 423 | 141 | 95 % | 84 % |
| 140 | Variations in H4 Tags Relevancy | -0.15 | 49 | 2 | 18 % | 84 % |
| 141 | Meta Description Tag Has Entities Relevancy | -0.15 | 1 | 1 | 67 % | 57 % |
| 142 | Exact Matches in Title Tag Relevancy | -0.15 | 4 | 1 | 27 % | 78 % |
| 143 | Number of Questions In Headings Size | -0.15 | 6 | 2 | 43 % | 32 % |
| 144 | Exact Matches in A Tags Relevancy | -0.15 | 47 | 3 | 26 % | 85 % |
| 145 | Ahrefs Has Internal Links Authority | -0.15 | 1 | 1 | 71 % | 16 % |
| 146 | Ahrefs Redirects Authority | -0.15 | 721 | 10 | 13 % | 16 % |
| 147 | Variations in Section Tags Relevancy | -0.15 | 1690 | 18 | 38 % | 84 % |
| 148 | Number of H2 Tags Size | -0.14 | 17 | 7 | 79 % | 87 % |
| 149 | Ahrefs Has External Links Authority | -0.14 | 1 | 1 | 68 % | 16 % |
| 150 | LSI Words in Meta Description Tag Relevancy | -0.14 | 50 | 10 | 58 % | 87 % |
| 151 | Keywords in pages most used phrase | -0.14 | 2 | 1 | 28 % | 80 % |
| 152 | Number of Questions In H2 Tags Size | -0.14 | 4 | 1 | 23 % | 80 % |
| 153 | Inline JavaScript Kilobytes Size | -0.14 | 119 | 32 | 91 % | 82 % |
| 154 | Leading Variations in H3 Tags Relevancy | -0.14 | 8 | 1 | 18 % | 84 % |
| 155 | Headings Has Question Other | -0.14 | 1 | 1 | 39 % | 78 % |
| 156 | Ahrefs Has Redirects Authority | -0.14 | 1 | 1 | 13 % | 14 % |
| 157 | DomDetailer Majestic GOV Backlinks Authority | -0.14 | 22622107 | 3706229 | 41 % | 32 % |
| 158 | Variations in TITLE Attributes Relevancy | -0.14 | 366 | 7 | 36 % | 86 % |
| 159 | Ahrefs Has EDU Backlinks Authority | -0.14 | 1 | 1 | 9 % | 14 % |
| 160 | Ahrefs Has Linked Root Domains Authority | -0.14 | 1 | 1 | 70 % | 15 % |
| 161 | Variations in Article Tags Relevancy | -0.14 | 1362 | 19 | 31 % | 78 % |
| 162 | Title Has Sales Words Other | -0.14 | 1 | 1 | 14 % | 66 % |
| 163 | Has JSON-LD Answer | -0.14 | 1 | 1 | 5 % | 63 % |
| 164 | Has JSON-LD Question | -0.14 | 1 | 1 | 5 % | 63 % |
| 165 | Exact Matches in H1 Tags Relevancy | -0.14 | 2 | 1 | 23 % | 80 % |
| 166 | Has JSON-LD AggregateRating | -0.14 | 1 | 1 | 7 % | 60 % |
| 167 | Title Has Sentiment Words Other | -0.14 | 1 | 1 | 14 % | 66 % |
| 168 | Number of Questions In H3 Tags Size | -0.14 | 4 | 1 | 16 % | 78 % |
| 169 | Head Size Kilobytes Size | -0.14 | 115 | 43 | 91 % | 81 % |
| 170 | LSI Words in H1 Tags Relevancy | -0.14 | 16 | 5 | 66 % | 86 % |
| 171 | Number of H4 Tags Size | -0.14 | 76 | 4 | 45 % | 79 % |
| 172 | Inline CSS Kilobytes Size | -0.14 | 102 | 31 | 64 % | 80 % |
| 173 | Number of Prices Size | -0.14 | 407 | 33 | 71 % | 71 % |
| 174 | Exact Matches in H2 Tags Relevancy | -0.13 | 5 | 1 | 16 % | 86 % |
| 175 | Number of US Phone Numbers Trust | -0.13 | 121 | 7 | 44 % | 77 % |
| 176 | Leading Variations in H4-H6 Tags Relevancy | -0.13 | 7 | 1 | 11 % | 76 % |
| 177 | Entities in H5 Tags | -0.13 | 12 | 1 | 10 % | 61 % |
| 178 | Variation Clustering Score | -0.13 | 55 | 41 | 89 % | 50 % |
| 179 | Load Time Milliseconds Performance | -0.13 | 121735 | 2476 | 97 % | 64 % |
| 180 | Number Of Claimed Brands Other | -0.13 | 10 | 2 | 18 % | 75 % |
| 181 | Leading Variations in H4 Tags Relevancy | -0.13 | 6 | 1 | 8 % | 78 % |
| 182 | Variations in ID Attributes Relevancy | -0.13 | 366 | 2 | 12 % | 82 % |
| 183 | Variations in Class Attributes Relevancy | -0.13 | 4230 | 11 | 24 % | 77 % |
| 184 | Has US Phone Number Trust | -0.13 | 1 | 1 | 44 % | 63 % |
| 185 | Variations in I Tags Relevancy | -0.13 | 329 | 7 | 34 % | 80 % |
| 186 | Number of External Links Authority | -0.13 | 61 | 17 | 88 % | 75 % |
| 187 | LSI Words in H4 Tags Relevancy | -0.13 | 82 | 8 | 33 % | 88 % |
| 188 | Title Word Count Size | -0.13 | 27 | 11 | 95 % | 53 % |
| 189 | Percentage of DoFollow Internal Links Authority | -0.13 | 95 | 81 | 93 % | 73 % |
| 190 | Has JSON-LD Product | -0.13 | 1 | 1 | 5 % | 44 % |
| 191 | Has JSON-LD City | -0.13 | 1 | 1 | 2 % | 16 % |
| 192 | Variations in Meta Twitter Description Relevancy | -0.13 | 6 | 1 | 21 % | 71 % |
| 193 | Variations making whole H1 Tags Relevancy | -0.12 | 1 | 1 | 11 % | 74 % |
| 194 | Variations Making Whole Strong Tags Relevancy | -0.12 | 5 | 1 | 7 % | 76 % |
| 195 | Word Count in Meta Description Size | -0.12 | 60 | 21 | 72 % | 70 % |
| 196 | Has JSON-LD Review | -0.12 | 1 | 1 | 3 % | 40 % |
| 197 | Meta Description Length Size | -0.12 | 267 | 126 | 72 % | 70 % |
| 198 | Exact Matches in Meta Description Relevancy | -0.12 | 2 | 1 | 17 % | 82 % |
| 199 | Has Schema Markup Relevancy | -0.12 | 1 | 1 | 68 % | 69 % |
| 200 | Search Result Number of Dirs in Path Other | -0.12 | 4 | 2 | 84 % | 57 % |