[ Ahrefs, SEMRush, DomDetailer, SpyFu APIs ]
[ Wappalyzer API ]
SEO Factor ClassSize ( 54327 )Relevancy ( 53933 ) Other ( 32587 ) 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 ( 32533 ) 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 | -0.37 | 44 | 22 | 94 % | 93 % |
| 2 | Number of Top 100 Shared Factors Used Diversity | -0.35 | 87 | 45 | 96 % | 93 % |
| 3 | Number of Factors Used Diversity | -0.32 | 225 | 129 | 97 % | 94 % |
| 4 | Number of Distinct Entities Used Diversity | -0.31 | 72 | 26 | 94 % | 76 % |
| 5 | Number of Top 200 Shared Factors Used Diversity | -0.29 | 151 | 83 | 96 % | 90 % |
| 6 | Variations in Body Tags Relevancy | -0.26 | 114121 | 534 | 89 % | 91 % |
| 7 | Ahrefs Rank Authority | -0.26 | 47 | 15 | 80 % | 22 % |
| 8 | Variations in HTML Tags Relevancy | -0.25 | 115316 | 620 | 86 % | 96 % |
| 9 | Ahrefs Referring Class C Addresses Authority | -0.25 | 1024 | 46 | 55 % | 34 % |
| 10 | Ahrefs Referring IP Addresses Authority | -0.25 | 1712 | 62 | 55 % | 34 % |
| 11 | Ahrefs Domain Rating Authority | -0.24 | 80 | 46 | 89 % | 28 % |
| 12 | Ahrefs Referring Domains Authority | -0.24 | 3127 | 79 | 55 % | 34 % |
| 13 | Variations in Div Tags Relevancy | -0.23 | 32038 | 285 | 84 % | 93 % |
| 14 | Variations in H1-H6 Tags Relevancy | -0.23 | 332 | 10 | 80 % | 89 % |
| 15 | Variations in H1, H2, and H3 Tags Relevancy | -0.23 | 261 | 8 | 79 % | 89 % |
| 16 | Ahrefs Text Backlinks Authority | -0.23 | 875439 | 8587 | 55 % | 34 % |
| 17 | Ahrefs Backlinks Authority | -0.23 | 875526 | 8535 | 56 % | 34 % |
| 18 | Ahrefs Referring Pages Authority | -0.23 | 875528 | 8535 | 56 % | 34 % |
| 19 | Entities in Title Tag Relevancy | -0.23 | 7 | 3 | 75 % | 71 % |
| 20 | DomDetailer Moz PA Authority | -0.22 | 68 | 43 | 96 % | 35 % |
| 21 | Ahrefs Word Count Size | -0.22 | 5435 | 1640 | 72 % | 18 % |
| 22 | Variations in A Tags Relevancy | -0.22 | 5698 | 51 | 79 % | 90 % |
| 23 | Entities in H2 Tags | -0.22 | 33 | 7 | 56 % | 75 % |
| 24 | DomDetailer Majestic Referring Subnets Authority | -0.22 | 68897 | 10015 | 95 % | 38 % |
| 25 | DomDetailer Majestic IPs Authority | -0.22 | 275466 | 37650 | 95 % | 38 % |
| 26 | Variations in P Tags Relevancy | -0.22 | 3276 | 47 | 75 % | 94 % |
| 27 | Ahrefs Dofollow Backlinks Authority | -0.22 | 836387 | 7359 | 48 % | 34 % |
| 28 | Entities in H3 Tags | -0.21 | 29 | 6 | 45 % | 74 % |
| 29 | Variations in H1 and H2 Tags Relevancy | -0.21 | 156 | 5 | 77 % | 88 % |
| 30 | Exact Match Position Variance | -0.21 | 7086 | 1027 | 38 % | 57 % |
| 31 | DomDetailer Majestic Referring Domains Authority | -0.21 | 1650860 | 243762 | 95 % | 39 % |
| 32 | Ahrefs NoFollow Backlinks Authority | -0.21 | 61036 | 1126 | 44 % | 33 % |
| 33 | DomDetailer Moz DA Authority | -0.21 | 83 | 38 | 96 % | 35 % |
| 34 | Average Exact Match Position | -0.21 | 16019 | 2319 | 42 % | 63 % |
| 35 | Variations in Sentences Relevancy | -0.21 | 2941 | 38 | 74 % | 92 % |
| 36 | Variation Position Variance | -0.21 | 8020 | 2318 | 87 % | 73 % |
| 37 | Clean Keyword Density in the HTML Tag Relevancy | -0.21 | 207 | 6 | 82 % | 79 % |
| 38 | Ahrefs Has Text Backlinks Authority | -0.21 | 1 | 1 | 54 % | 33 % |
| 39 | DomDetailer Majestic CF Authority | -0.2 | 65 | 34 | 94 % | 37 % |
| 40 | DomDetailer Facebook Shares Authority | -0.2 | 8874003 | -5617759 | 86 % | 38 % |
| 41 | Body Tag Size Kilobytes Size | -0.2 | 291 | 93 | 82 % | 92 % |
| 42 | Variations in LI Tags Relevancy | -0.2 | 2109 | 26 | 71 % | 89 % |
| 43 | Ahrefs Has Backlinks Authority | -0.2 | 1 | 1 | 55 % | 34 % |
| 44 | Variations in Search Result Display URL Relevancy | -0.2 | 15 | 2 | 87 % | 79 % |
| 45 | Ahrefs Has Dofollow Backlinks Authority | -0.2 | 1 | 1 | 48 % | 33 % |
| 46 | Variations in Search Result Link Text Relevancy | -0.2 | 15 | 2 | 86 % | 79 % |
| 47 | Average Variation Position | -0.2 | 18177 | 4911 | 89 % | 72 % |
| 48 | Exact Matches in Body Tag Relevancy | -0.2 | 414 | 19 | 34 % | 87 % |
| 49 | DomDetailer Majestic Links Authority | -0.2 | 75468493 | -76319 | 95 % | 39 % |
| 50 | DomDetailer Majestic TF Authority | -0.2 | 57 | 25 | 86 % | 37 % |
| 51 | Page Size Kilobytes Size | -0.2 | 1190 | 164 | 95 % | 89 % |
| 52 | Term Frequency Relevancy | -0.2 | 6 | 3 | 85 % | 93 % |
| 53 | Variations in H2 Tags Relevancy | -0.2 | 137 | 4 | 51 % | 89 % |
| 54 | Exact Matches in the HTML Tag Relevancy | -0.19 | 469 | 18 | 38 % | 90 % |
| 55 | Entities in Sentences Relevancy | -0.19 | 594 | 91 | 65 % | 97 % |
| 56 | Leading Variations in H1-H6 Tags Relevancy | -0.19 | 41 | 2 | 53 % | 87 % |
| 57 | Variations in A Tag HREF Attributes Relevancy | -0.19 | 3386 | 60 | 73 % | 88 % |
| 58 | Variations in Script Tags Relevancy | -0.19 | 24680 | 111 | 62 % | 94 % |
| 59 | Variations in Distinct A Tag HREF Attributes Relevancy | -0.19 | 2725 | 40 | 73 % | 89 % |
| 60 | DomDetailer Moz Rank Authority | -0.19 | 9 | 5 | 95 % | 33 % |
| 61 | Leading Variations in H1, H2, and H3 Tags Relevancy | -0.19 | 23 | 2 | 50 % | 86 % |
| 62 | LSI Words in Sentences Relevancy | -0.19 | 3708 | 555 | 69 % | 97 % |
| 63 | Unabridged Word Count Size | -0.19 | 6935 | 1772 | 95 % | 90 % |
| 64 | Variations in ALT Attributes Relevancy | -0.19 | 647 | 9 | 53 % | 87 % |
| 65 | Ahrefs Has NoFollow Backlinks Authority | -0.19 | 1 | 1 | 43 % | 33 % |
| 66 | Variation Density in Top 30KB Relevancy | -0.19 | 376 | 5 | 74 % | 78 % |
| 67 | Variations in the Title Tag Relevancy | -0.19 | 26 | 2 | 78 % | 79 % |
| 68 | Entities in the HTML Tag Relevancy | -0.19 | 2299 | 284 | 68 % | 98 % |
| 69 | Clean Text Kilobytes Size | -0.19 | 48 | 11 | 92 % | 89 % |
| 70 | Keywords in pages top 10 most used phrases | -0.19 | 23 | 2 | 66 % | 86 % |
| 71 | Number of HTML Tags Size | -0.19 | 3126 | 927 | 96 % | 89 % |
| 72 | DomDetailer Moz Links Authority | -0.19 | 60982657 | -204819 | 95 % | 37 % |
| 73 | Ahrefs Page Size Size | -0.19 | 93294 | 34998 | 75 % | 18 % |
| 74 | Word Count Size | -0.19 | 4144 | 1411 | 95 % | 89 % |
| 75 | Ahrefs Internal Links Authority | -0.19 | 624 | 147 | 71 % | 35 % |
| 76 | Exact Match Clustering Score | -0.18 | 49 | 17 | 37 % | 53 % |
| 77 | Exact Matches in Top 30KB Relevancy | -0.18 | 41 | 4 | 32 % | 63 % |
| 78 | Number of Sentences Size | -0.18 | 258 | 62 | 93 % | 88 % |
| 79 | Keywords in pages top 5 most used phrases | -0.18 | 12 | 2 | 56 % | 84 % |
| 80 | Entities in Meta Description Tag Relevancy | -0.18 | 10 | 3 | 61 % | 65 % |
| 81 | Ahrefs External Links Authority | -0.18 | 248 | 23 | 66 % | 33 % |
| 82 | Variations in Search Result URL Path Relevancy | -0.17 | 14 | 2 | 60 % | 71 % |
| 83 | Variations in Meta Description Relevancy | -0.17 | 51 | 2 | 62 % | 80 % |
| 84 | Ahrefs Images Relevancy | -0.17 | 83 | 27 | 70 % | 17 % |
| 85 | Ahrefs Linked Root Domains Authority | -0.17 | 33 | 8 | 70 % | 34 % |
| 86 | Variations in Search Result Document File Name Relevancy | -0.17 | 8 | 2 | 65 % | 60 % |
| 87 | Variations in Span Tags Relevancy | -0.17 | 866 | 14 | 58 % | 90 % |
| 88 | Exact Matches in H1-H6 Tags Relevancy | -0.17 | 14 | 2 | 28 % | 85 % |
| 89 | Number of P Tags Size | -0.17 | 141 | 38 | 90 % | 88 % |
| 90 | Has Entities in H2 Tags Relevancy | -0.17 | 1 | 1 | 60 % | 68 % |
| 91 | Number of HTTPS Links Authority | -0.17 | 501 | 157 | 92 % | 84 % |
| 92 | Variations in Nav Tags Relevancy | -0.17 | 11767 | 46 | 49 % | 84 % |
| 93 | Number of Questions Size | -0.17 | 94 | 6 | 66 % | 83 % |
| 94 | Variations in H3 Tags Relevancy | -0.17 | 121 | 3 | 36 % | 88 % |
| 95 | Entities in H1 Tags | -0.17 | 18 | 2 | 63 % | 62 % |
| 96 | Number of Heading Tags Size | -0.17 | 62 | 21 | 92 % | 88 % |
| 97 | Leading Variations in Title Tag Relevancy | -0.17 | 1 | 1 | 37 % | 77 % |
| 98 | Variations in H1 Tags Relevancy | -0.17 | 21 | 2 | 68 % | 76 % |
| 99 | Variations in Search Result URL Relevancy | -0.17 | 23 | 2 | 61 % | 74 % |
| 100 | Number of Links Authority | -0.16 | 502 | 160 | 94 % | 85 % |
| 101 | Number of Internal Links Authority | -0.16 | 486 | 143 | 93 % | 86 % |
| 102 | Number of DoFollow Links Authority | -0.16 | 498 | 154 | 93 % | 86 % |
| 103 | Number of Images with ALT Text Size | -0.16 | 75 | 20 | 85 % | 87 % |
| 104 | TF/IDF Relevancy | -0.16 | 2 | 1 | 65 % | 81 % |
| 105 | Variations in the Canonical URL Relevancy | -0.16 | 61 | 2 | 58 % | 79 % |
| 106 | Entities in H4 Tags | -0.16 | 18 | 3 | 24 % | 68 % |
| 107 | Keywords in pages top 3 most used phrases | -0.16 | 7 | 1 | 47 % | 86 % |
| 108 | Variation Count in Top 30KB Relevancy | -0.16 | 7072 | 79 | 82 % | 73 % |
| 109 | Title Tag Has Entities Relevancy | -0.16 | 1 | 1 | 78 % | 58 % |
| 110 | Variations in Absolute URLs Relevancy | -0.16 | 5703 | 63 | 64 % | 87 % |
| 111 | Variations in Main Tags Relevancy | -0.16 | 13887 | 98 | 36 % | 83 % |
| 112 | Number of Images Size | -0.16 | 104 | 30 | 91 % | 85 % |
| 113 | Leading Variations in H1 Tags Relevancy | -0.16 | 2 | 1 | 34 % | 76 % |
| 114 | Ahrefs Pages Size | -0.16 | 6 | 2 | 73 % | 31 % |
| 115 | Number of H2 Tags Size | -0.16 | 20 | 7 | 78 % | 88 % |
| 116 | Variations in OpenGraph Title Relevancy | -0.16 | 21 | 2 | 59 % | 70 % |
| 117 | Variations in Search Result Summary Relevancy | -0.16 | 76 | 3 | 88 % | 73 % |
| 118 | Variations in First 100 Words Relevancy | -0.16 | 209 | 9 | 67 % | 76 % |
| 119 | Variations in OpenGraph Description Relevancy | -0.16 | 48 | 2 | 52 % | 74 % |
| 120 | Has Entities in H3 Tags Relevancy | -0.15 | 1 | 1 | 49 % | 66 % |
| 121 | Leading Variations in H2 Tags Relevancy | -0.15 | 10 | 1 | 24 % | 85 % |
| 122 | Number of H3 Tags Size | -0.15 | 29 | 8 | 68 % | 85 % |
| 123 | Number of Questions In Headings Size | -0.15 | 7 | 2 | 35 % | 30 % |
| 124 | Variations in Section Tags Relevancy | -0.15 | 2179 | 22 | 36 % | 87 % |
| 125 | Variation Clustering Score | -0.15 | 56 | 41 | 86 % | 64 % |
| 126 | Inline JavaScript Kilobytes Size | -0.15 | 331 | 36 | 91 % | 81 % |
| 127 | Variations Making Whole LI Tags Relevancy | -0.15 | 6 | 1 | 27 % | 77 % |
| 128 | Number Of JSON-LD Types Relevancy | -0.15 | 50 | 10 | 56 % | 84 % |
| 129 | Has Entities in H1 Tags Relevancy | -0.15 | 1 | 1 | 69 % | 59 % |
| 130 | Ahrefs Image Backlinks | -0.15 | 292652 | 2164 | 20 % | 26 % |
| 131 | Ahrefs Has Domain Rating Authority | -0.15 | 1 | 1 | 87 % | 24 % |
| 132 | Exact Matches in Sentences Relevancy | -0.15 | 23 | 2 | 22 % | 90 % |
| 133 | Variations in Footer Tags Relevancy | -0.15 | 3697 | 22 | 35 % | 77 % |
| 134 | Number of Absolute URLs Authority | -0.15 | 367 | 150 | 93 % | 81 % |
| 135 | Has JSON-LD Answer | -0.15 | 1 | 1 | 6 % | 69 % |
| 136 | LSI Words in Title Tag Relevancy | -0.15 | 16 | 5 | 66 % | 92 % |
| 137 | Has JSON-LD Question | -0.15 | 1 | 1 | 6 % | 69 % |
| 138 | DomDetailer Majestic GOV Backlinks Authority | -0.14 | 24741423 | 3253132 | 34 % | 31 % |
| 139 | LSI Words in H2 Tags Relevancy | -0.14 | 81 | 16 | 55 % | 95 % |
| 140 | Ahrefs Has External Links Authority | -0.14 | 1 | 1 | 66 % | 29 % |
| 141 | Variations making whole A Tags Relevancy | -0.14 | 11 | 1 | 33 % | 80 % |
| 142 | Ahrefs Has Image Backlinks Authority | -0.14 | 1 | 1 | 20 % | 24 % |
| 143 | Number of US Phone Numbers Trust | -0.14 | 72 | 8 | 35 % | 78 % |
| 144 | Exact Match Density in Top 30KB Relevancy | -0.14 | 2 | 1 | 17 % | 38 % |
| 145 | Number of Questions In H2 Tags Size | -0.14 | 4 | 1 | 23 % | 76 % |
| 146 | Meta Description Tag Has Entities Relevancy | -0.14 | 1 | 1 | 64 % | 58 % |
| 147 | Exact Matches in Title Tag Relevancy | -0.14 | 2 | 1 | 25 % | 84 % |
| 148 | Headings Has Question Other | -0.14 | 1 | 1 | 37 % | 74 % |
| 149 | Variations in the last 100 words Relevancy | -0.14 | 206 | 6 | 54 % | 75 % |
| 150 | Ahrefs Has Internal Links Authority | -0.14 | 1 | 1 | 70 % | 30 % |
| 151 | Exact Matches in A Tags Relevancy | -0.14 | 63 | 3 | 23 % | 85 % |
| 152 | Ahrefs Has Linked Root Domains Authority | -0.14 | 1 | 1 | 70 % | 30 % |
| 153 | Has US Phone Number Trust | -0.14 | 1 | 1 | 34 % | 62 % |
| 154 | Search Result Summary Length Size | -0.14 | 245 | 152 | 96 % | 74 % |
| 155 | Variations in Strong Tags Relevancy | -0.14 | 100 | 3 | 30 % | 84 % |
| 156 | Variations making whole H1-H6 Tags Relevancy | -0.14 | 5 | 1 | 18 % | 75 % |
| 157 | Head Size Kilobytes Size | -0.14 | 130 | 47 | 91 % | 75 % |
| 158 | Ahrefs Has Images Other | -0.14 | 1 | 1 | 69 % | 15 % |
| 159 | Load Time Milliseconds Performance | -0.14 | 140093 | 2697 | 96 % | 65 % |
| 160 | Variations in Article Tags Relevancy | -0.14 | 2334 | 23 | 31 % | 73 % |
| 161 | Inline CSS Kilobytes Size | -0.13 | 415 | 34 | 64 % | 79 % |
| 162 | Variations in I Tags Relevancy | -0.13 | 625 | 9 | 33 % | 77 % |
| 163 | Number of External Links Authority | -0.13 | 54 | 17 | 87 % | 76 % |
| 164 | LSI Words in H3 Tags Relevancy | -0.13 | 92 | 14 | 46 % | 93 % |
| 165 | Variations in TITLE Attributes Relevancy | -0.13 | 450 | 8 | 35 % | 87 % |
| 166 | Variations Making Whole Span Tags Relevancy | -0.13 | 12 | 1 | 20 % | 85 % |
| 167 | Variations making whole H1, H2, and H3 Tags Relevancy | -0.13 | 4 | 1 | 16 % | 74 % |
| 168 | Keywords in pages most used phrase | -0.13 | 3 | 1 | 26 % | 79 % |
| 169 | Exact Matches in H1 Tags Relevancy | -0.13 | 2 | 1 | 20 % | 79 % |
| 170 | Number of Prices Size | -0.13 | 508 | 36 | 70 % | 74 % |
| 171 | Number of Questions In H3 Tags Size | -0.13 | 4 | 1 | 16 % | 77 % |
| 172 | Exact Matches in H2 Tags Relevancy | -0.13 | 8 | 1 | 14 % | 86 % |
| 173 | Number Of Claimed Brands Other | -0.13 | 21 | 2 | 18 % | 73 % |
| 174 | Leading Variations in H3 Tags Relevancy | -0.13 | 13 | 1 | 16 % | 81 % |
| 175 | Is Home Page Other | -0.13 | 1 | 1 | 17 % | 35 % |
| 176 | Number of DoFollow External Links Authority | -0.13 | 44 | 15 | 84 % | 72 % |
| 177 | DomDetailer Facebook Comments Authority | -0.13 | 280 | 56 | 8 % | 33 % |
| 178 | Variations in H4-H6 Tags Relevancy | -0.13 | 125 | 2 | 21 % | 81 % |
| 179 | Ahrefs EDU Backlinks Authority | -0.13 | 92933 | 531 | 9 % | 18 % |
| 180 | Search Result Number of Dirs in Path Other | -0.13 | 4 | 2 | 85 % | 61 % |
| 181 | Number Of JSON-LD Entity References Relevancy | -0.13 | 12 | 1 | 5 % | 67 % |
| 182 | Number of Instagram Pages Authority | -0.13 | 7 | 1 | 37 % | 72 % |
| 183 | Percentage of DoFollow Internal Links Authority | -0.13 | 94 | 82 | 92 % | 74 % |
| 184 | LSI Words in Meta Description Tag Relevancy | -0.13 | 51 | 8 | 51 % | 89 % |
| 185 | Variations making whole H1 Tags Relevancy | -0.13 | 1 | 1 | 11 % | 71 % |
| 186 | Number of Nofollow Links Authority | -0.12 | 51 | 6 | 37 % | 76 % |
| 187 | Has Entities in H4 Tags Relevancy | -0.12 | 1 | 1 | 27 % | 58 % |
| 188 | Number of NoFollow External Links Authority | -0.12 | 34 | 3 | 25 % | 77 % |
| 189 | Variations in H4 Tags Relevancy | -0.12 | 83 | 2 | 16 % | 79 % |
| 190 | Exact Matches in Meta Description Relevancy | -0.12 | 2 | 1 | 16 % | 82 % |
| 191 | Title Has Sales Words Other | -0.12 | 1 | 1 | 15 % | 68 % |
| 192 | Number of HTML Comments Size | -0.12 | 222 | 32 | 77 % | 72 % |
| 193 | Title Has Sentiment Words Other | -0.12 | 1 | 1 | 15 % | 68 % |
| 194 | Has FavIcon Technology | -0.12 | 1 | 1 | 80 % | 68 % |
| 195 | Word Count in Meta Description Size | -0.12 | 86 | 22 | 72 % | 73 % |
| 196 | Variations in ID Attributes Relevancy | -0.12 | 2362 | 6 | 13 % | 78 % |
| 197 | Number of JavaScript Includes Technology | -0.12 | 27 | 15 | 88 % | 72 % |
| 198 | Number of HREF Lang Tags Size | -0.12 | 25 | 2 | 12 % | 73 % |
| 199 | Meta Description Length Size | -0.12 | 512 | 128 | 72 % | 70 % |
| 200 | Has Schema Markup Relevancy | -0.12 | 1 | 1 | 68 % | 74 % |