[ Ahrefs, SEMRush, DomDetailer, SpyFu APIs ]
[ Wappalyzer API ]
SEO Factor ClassSize ( 54016 )Relevancy ( 53285 ) Other ( 26772 ) Local ( 8572 ) Technology ( 1599 ) Authority ( 163 ) Pay Per Click ( 29 ) Diversity ( 15 ) Trust ( 15 ) Easy ( 3 ) Performance ( 1 ) |
SEO Factor TypeSize ( 54012 )Keywords ( 41260 ) Schema ( 26718 ) Local ( 8573 ) LSI ( 8471 ) Entities ( 3532 ) Other ( 1705 ) Backlinks ( 72 ) Social ( 58 ) Page Links ( 29 ) Structure ( 23 ) Meta ( 14 ) On Page ( 3 ) |
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 Unique LSI Words Used Diversity | -0.27 | 1173 | 346 | 91 % | 75 % |
2 | Number of Distinct Entities Used Diversity | -0.26 | 99 | 27 | 85 % | 83 % |
3 | Number of Referring Domains Authority | -0.24 | 2158 | 51 | 56 % | 86 % |
4 | Number of Backlinks Authority | -0.23 | 304104 | 3157 | 56 % | 86 % |
5 | Number of No Follow Backlinks Authority | -0.23 | 200623 | 769 | 47 % | 84 % |
6 | Number of Unique Variations Used Diversity | -0.22 | 113 | 10 | 90 % | 80 % |
7 | Number of Factors Used Diversity | -0.22 | 1080 | 212 | 99 % | 90 % |
8 | Number of Do Follow Backlinks Authority | -0.22 | 188687 | 2413 | 48 % | 85 % |
9 | Variations in Body Tags Relevancy | -0.21 | 5483 | 302 | 89 % | 85 % |
10 | Entities in the HTML Tag Relevancy | -0.21 | 759 | 131 | 79 % | 87 % |
11 | Entities in Sentences Relevancy | -0.21 | 756 | 128 | 77 % | 87 % |
12 | Variations in HTML Tags Relevancy | -0.21 | 5483 | 302 | 89 % | 85 % |
13 | Number of Top 200 Shared Factors Used Diversity | -0.21 | 55 | 40 | 99 % | 92 % |
14 | Variations in Div Tags Relevancy | -0.21 | 1717 | 152 | 87 % | 84 % |
15 | Number of Top 100 Shared Factors Used Diversity | -0.21 | 42 | 30 | 99 % | 92 % |
16 | Variations in P Tags Relevancy | -0.2 | 348 | 44 | 80 % | 82 % |
17 | Search Result Domain is .com, .net, or .org Other | -0.2 | 1 | 1 | 3 % | 62 % |
18 | Number of Top 50 Shared Factors Used Diversity | -0.2 | 20 | 13 | 98 % | 85 % |
19 | LSI Words in Sentences Relevancy | -0.2 | 5193 | 841 | 77 % | 87 % |
20 | Variations in Sentences Relevancy | -0.2 | 636 | 51 | 84 % | 83 % |
21 | Variations in H1, H2, and H3 Tags Relevancy | -0.2 | 34 | 9 | 80 % | 82 % |
22 | Variations in H1-H6 Tags Relevancy | -0.2 | 37 | 10 | 81 % | 83 % |
23 | Search Result Domain is .com Other | -0.2 | 1 | 1 | 3 % | 68 % |
24 | Variations in A Tags Relevancy | -0.2 | 394 | 30 | 79 % | 83 % |
25 | Entities in H2 Tags | -0.19 | 31 | 7 | 59 % | 81 % |
26 | Clean Text Kilobytes Size | -0.19 | 118 | 13 | 87 % | 92 % |
27 | Variations in LI Tags Relevancy | -0.19 | 265 | 27 | 78 % | 83 % |
28 | Variations in H1 and H2 Tags Relevancy | -0.19 | 20 | 5 | 78 % | 81 % |
29 | Load Time Milliseconds Performance | -0.19 | 21720 | 1699 | 92 % | 89 % |
30 | Entities in Title Tag Relevancy | -0.19 | 11 | 3 | 76 % | 78 % |
31 | Unabridged Word Count Size | -0.19 | 22142 | 2001 | 92 % | 82 % |
32 | Number of HTML Tags Size | -0.19 | 8235 | 1079 | 92 % | 82 % |
33 | Word Count Size | -0.19 | 11471 | 1594 | 92 % | 82 % |
34 | Entities in H3 Tags | -0.18 | 44 | 6 | 48 % | 81 % |
35 | Term Frequency Relevancy | -0.18 | 5 | 3 | 89 % | 83 % |
36 | Variations in Distinct A Tag HREF Attributes Relevancy | -0.18 | 1384 | 38 | 77 % | 82 % |
37 | Variations in H2 Tags Relevancy | -0.18 | 19 | 4 | 58 % | 80 % |
38 | Variations in A Tag HREF Attributes Relevancy | -0.18 | 1390 | 58 | 76 % | 82 % |
39 | Leading Variations in H1-H6 Tags Relevancy | -0.18 | 10 | 2 | 58 % | 79 % |
40 | Number of Sentences Size | -0.18 | 774 | 125 | 92 % | 82 % |
41 | Leading Variations in H1, H2, and H3 Tags Relevancy | -0.18 | 10 | 2 | 55 % | 78 % |
42 | Number of Includes Technology | -0.18 | 54 | 25 | 86 % | 69 % |
43 | Exact Matches in the HTML Tag Relevancy | -0.18 | 478 | 18 | 44 % | 75 % |
44 | Number of P Tags Size | -0.18 | 609 | 41 | 86 % | 80 % |
45 | Number of HTTPS Links Authority | -0.18 | 1400 | 152 | 89 % | 89 % |
46 | Number of DoFollow Links Authority | -0.18 | 1076 | 150 | 89 % | 88 % |
47 | Number of Images Size | -0.17 | 548 | 32 | 88 % | 79 % |
48 | Number of Internal Links Authority | -0.17 | 1057 | 139 | 89 % | 89 % |
49 | Number of Links Authority | -0.17 | 1541 | 156 | 90 % | 79 % |
50 | Number of Heading Tags Size | -0.17 | 67 | 21 | 87 % | 80 % |
51 | Number of Images with ALT Text Size | -0.17 | 478 | 22 | 82 % | 88 % |
52 | Variations in Absolute URLs Relevancy | -0.17 | 26266 | 121 | 78 % | 89 % |
53 | Variations in ALT Attributes Relevancy | -0.17 | 77 | 9 | 59 % | 79 % |
54 | Number of Facebook Pages Authority | -0.17 | 15 | 3 | 66 % | 78 % |
55 | Variations in Span Tags Relevancy | -0.17 | 58 | 13 | 63 % | 80 % |
56 | Number of Questions Size | -0.17 | 95 | 11 | 73 % | 89 % |
57 | Variations in Script Tags Relevancy | -0.17 | 1254 | 88 | 75 % | 80 % |
58 | LSI Words in H2 Tags Relevancy | -0.16 | 115 | 22 | 65 % | 84 % |
59 | Number of Absolute URLs Authority | -0.16 | 2842 | 269 | 91 % | 87 % |
60 | Variations in Main Tags Relevancy | -0.16 | 1653 | 78 | 41 % | 80 % |
61 | Number of H2 Tags Size | -0.16 | 23 | 7 | 78 % | 79 % |
62 | Clean Keyword Density in the HTML Tag Relevancy | -0.16 | 18 | 5 | 83 % | 70 % |
63 | Variations in Nav Tags Relevancy | -0.16 | 438 | 28 | 56 % | 79 % |
64 | Variations in the Title Tag Relevancy | -0.16 | 4 | 2 | 82 % | 68 % |
65 | Has JSON-LD Schema Markup Relevancy | -0.16 | 1 | 1 | 60 % | 76 % |
66 | LSI Words in Title Tag Relevancy | -0.16 | 16 | 6 | 77 % | 81 % |
67 | Page Size Kilobytes Size | -0.16 | 967 | 261 | 92 % | 89 % |
68 | Number of Questions In Headings Size | -0.16 | 8 | 2 | 40 % | 85 % |
69 | Variations in First 100 Words Relevancy | -0.16 | 362 | 11 | 81 % | 76 % |
70 | Variations in H3 Tags Relevancy | -0.16 | 19 | 4 | 43 % | 78 % |
71 | Number of Instagram Pages Authority | -0.16 | 10 | 2 | 46 % | 80 % |
72 | Variations in the Canonical URL Relevancy | -0.16 | 105 | 2 | 65 % | 79 % |
73 | Variations in Search Result URL Path Relevancy | -0.16 | 13 | 2 | 64 % | 77 % |
74 | Exact Matches in H1-H6 Tags Relevancy | -0.16 | 14 | 2 | 31 % | 73 % |
75 | Variations in Search Result Link Text Relevancy | -0.16 | 4 | 2 | 90 % | 64 % |
76 | Variations in Meta Description Relevancy | -0.16 | 5 | 2 | 65 % | 70 % |
77 | Number Of JSON-LD Types Relevancy | -0.16 | 249 | 16 | 65 % | 84 % |
78 | Variations in Search Result Display URL Relevancy | -0.16 | 25 | 2 | 91 % | 72 % |
79 | Variation Density in Top 30KB Relevancy | -0.15 | 607 | 5 | 76 % | 80 % |
80 | Number of H3 Tags Size | -0.15 | 38 | 8 | 69 % | 76 % |
81 | Entities in H1 Tags | -0.15 | 14 | 2 | 64 % | 72 % |
82 | Leading Variations in H2 Tags Relevancy | -0.15 | 5 | 1 | 28 % | 85 % |
83 | Number of CSS Includes Technology | -0.15 | 17 | 8 | 78 % | 70 % |
84 | Number of External Links Authority | -0.15 | 485 | 16 | 86 % | 83 % |
85 | Variations in OpenGraph Description Relevancy | -0.15 | 5 | 2 | 58 % | 69 % |
86 | Entities in Meta Description Tag Relevancy | -0.15 | 8 | 3 | 63 % | 73 % |
87 | Variations in H1 Tags Relevancy | -0.15 | 7 | 2 | 70 % | 69 % |
88 | Leading Variations in Title Tag Relevancy | -0.15 | 1 | 1 | 40 % | 67 % |
89 | Variations in OpenGraph Title Relevancy | -0.15 | 4 | 2 | 64 % | 65 % |
90 | Variations in Search Result URL Relevancy | -0.15 | 36 | 2 | 72 % | 70 % |
91 | Leading Variations in H1 Tags Relevancy | -0.15 | 2 | 1 | 35 % | 77 % |
92 | Variations in Search Result Document File Name Relevancy | -0.15 | 6 | 2 | 62 % | 74 % |
93 | LSI Words in H3 Tags Relevancy | -0.15 | 131 | 21 | 57 % | 83 % |
94 | Has Entities in H2 Tags Relevancy | -0.15 | 1 | 1 | 60 % | 74 % |
95 | Exact Matches in Sentences Relevancy | -0.15 | 79 | 4 | 31 % | 76 % |
96 | Headings Has Question Other | -0.15 | 1 | 1 | 40 % | 79 % |
97 | Number of DoFollow External Links Authority | -0.15 | 59 | 14 | 84 % | 83 % |
98 | Variations in Footer Tags Relevancy | -0.15 | 1599 | 11 | 42 % | 76 % |
99 | TF/IDF Relevancy | -0.14 | 1 | 1 | 75 % | 75 % |
100 | Number of Twitter Accounts Authority | -0.14 | 5 | 1 | 38 % | 77 % |
101 | Number of Social Pages Authority | -0.14 | 17 | 4 | 72 % | 78 % |
102 | Entities in H4 Tags | -0.14 | 13 | 2 | 24 % | 76 % |
103 | Variations in TITLE Attributes Relevancy | -0.14 | 185 | 8 | 48 % | 75 % |
104 | Variations in Section Tags Relevancy | -0.14 | 175 | 25 | 44 % | 75 % |
105 | Has Entities in H3 Tags Relevancy | -0.14 | 1 | 1 | 49 % | 72 % |
106 | Variation Count in Top 30KB Relevancy | -0.14 | 12808 | 71 | 78 % | 76 % |
107 | Variations making whole A Tags Relevancy | -0.14 | 32 | 2 | 40 % | 71 % |
108 | Variations Making Whole Span Tags Relevancy | -0.14 | 16 | 2 | 27 % | 75 % |
109 | LSI Words in Meta Description Tag Relevancy | -0.14 | 28 | 12 | 63 % | 79 % |
110 | Number of Questions In H2 Tags Size | -0.14 | 4 | 1 | 26 % | 81 % |
111 | Variations Making Whole LI Tags Relevancy | -0.14 | 31 | 1 | 34 % | 72 % |
112 | Exact Matches in Title Tag Relevancy | -0.14 | 2 | 1 | 27 % | 68 % |
113 | Number of Facebook Accounts Authority | -0.14 | 8 | 1 | 35 % | 77 % |
114 | Number of LinkedIn Pages Authority | -0.14 | 7 | 1 | 28 % | 76 % |
115 | Percentage of DoFollow Internal Links Authority | -0.14 | 95 | 79 | 89 % | 81 % |
116 | Number of Images without ALT Text Size | -0.14 | 537 | 12 | 67 % | 81 % |
117 | Inline CSS Kilobytes Size | -0.14 | 156 | 61 | 70 % | 80 % |
118 | Variations making whole H1, H2, and H3 Tags Relevancy | -0.14 | 2 | 1 | 18 % | 68 % |
119 | Number of Prices Size | -0.14 | 2015 | 66 | 76 % | 82 % |
120 | Exact Matches in Top 30KB Relevancy | -0.14 | 26 | 2 | 28 % | 75 % |
121 | Number of HTML Comments Size | -0.14 | 3221 | 39 | 78 % | 71 % |
122 | Inline JavaScript Kilobytes Size | -0.14 | 534 | 77 | 89 % | 82 % |
123 | Search Result Number of Dirs in Path Other | -0.14 | 4 | 2 | 83 % | 69 % |
124 | Number of US Phone Numbers Trust | -0.14 | 388 | 12 | 48 % | 77 % |
125 | Number of Social Accounts Authority | -0.14 | 12 | 2 | 55 % | 80 % |
126 | Variations making whole H1-H6 Tags Relevancy | -0.14 | 3 | 1 | 20 % | 69 % |
127 | Uses Schema specialty Other | -0.14 | 1 | 1 | 2 % | 13 % |
128 | LSI Words in H1 Tags Relevancy | -0.14 | 24 | 5 | 68 % | 77 % |
129 | Leading Variations in H3 Tags Relevancy | -0.14 | 9 | 1 | 20 % | 81 % |
130 | Number of Questions In H3 Tags Size | -0.14 | 7 | 1 | 18 % | 78 % |
131 | Has Privacy Policy Trust | -0.13 | 1 | 1 | 63 % | 77 % |
132 | Variations in Strong Tags Relevancy | -0.13 | 29 | 3 | 35 % | 71 % |
133 | Variations in Button Tags Relevancy | -0.13 | 68 | 2 | 9 % | 73 % |
134 | Number of JavaScript Includes Technology | -0.13 | 40 | 18 | 89 % | 69 % |
135 | Uses JSON-LD State Other | -0.13 | 1 | 1 | 4 % | 16 % |
136 | Number of Nofollow Links Authority | -0.13 | 466 | 5 | 33 % | 77 % |
137 | Number of Forms Technology | -0.13 | 17 | 3 | 66 % | 68 % |
138 | Has Meta Charset Technology | -0.13 | 1 | 1 | 82 % | 65 % |
139 | Uses Schema postaladdress Other | -0.13 | 1 | 1 | 22 % | 61 % |
140 | Variations in I Tags Relevancy | -0.13 | 95 | 6 | 32 % | 68 % |
141 | Uses Schema faqpage Other | -0.13 | 1 | 1 | 9 % | 62 % |
142 | Uses Schema name Other | -0.13 | 1 | 1 | 69 % | 72 % |
143 | Uses JSON-LD FAQPage Other | -0.13 | 1 | 1 | 8 % | 62 % |
144 | Uses JSON-LD url Other | -0.13 | 1 | 1 | 51 % | 69 % |
145 | Has FavIcon Technology | -0.13 | 1 | 1 | 81 % | 74 % |
146 | Average Words Per Sentence Size | -0.13 | 175 | 38 | 88 % | 75 % |
147 | Variations in ID Attributes Relevancy | -0.13 | 64 | 2 | 16 % | 75 % |
148 | Variations in the last 100 words Relevancy | -0.13 | 384 | 6 | 62 % | 75 % |
149 | Variations in H4-H6 Tags Relevancy | -0.13 | 11 | 2 | 24 % | 71 % |
150 | Number of H4 Tags Size | -0.13 | 16 | 4 | 44 % | 70 % |
151 | Has Entities in H1 Tags Relevancy | -0.13 | 1 | 1 | 66 % | 68 % |
152 | Flesch Kincaid Reading Grade Level Other | -0.13 | 7 | 3 | 96 % | 80 % |
153 | Is Home Page Other | -0.13 | 1 | 1 | 15 % | 46 % |
154 | Uses Schema answer Other | -0.13 | 1 | 1 | 10 % | 61 % |
155 | Uses Schema addresslocality Other | -0.13 | 1 | 1 | 22 % | 59 % |
156 | Uses Schema country Other | -0.13 | 1 | 1 | 2 % | 24 % |
157 | Uses Schema aggregaterating Other | -0.13 | 1 | 1 | 13 % | 62 % |
158 | Has Schema Markup Relevancy | -0.13 | 1 | 1 | 73 % | 74 % |
159 | Uses JSON-LD Question Other | -0.13 | 1 | 1 | 9 % | 60 % |
160 | Uses JSON-LD Country Other | -0.13 | 1 | 1 | 2 % | 24 % |
161 | Uses JSON-LD name Other | -0.13 | 1 | 1 | 60 % | 71 % |
162 | Uses JSON-LD text Other | -0.13 | 1 | 1 | 9 % | 60 % |
163 | Uses Schema question Other | -0.13 | 1 | 1 | 10 % | 63 % |
164 | Uses JSON-LD Answer Other | -0.13 | 1 | 1 | 9 % | 58 % |
165 | Has US Phone Number Trust | -0.13 | 1 | 1 | 47 % | 67 % |
166 | Uses Schema state Other | -0.13 | 1 | 1 | 3 % | 15 % |
167 | Uses JSON-LD PostalAddress Other | -0.12 | 1 | 1 | 19 % | 63 % |
168 | Title Tag Has Entities Relevancy | -0.12 | 1 | 1 | 77 % | 70 % |
169 | Variations in Article Tags Relevancy | -0.12 | 169 | 20 | 30 % | 66 % |
170 | Has Canonical URL Authority | -0.12 | 1 | 1 | 80 % | 74 % |
171 | Uses Schema addressregion Other | -0.12 | 1 | 1 | 21 % | 57 % |
172 | Exact Matches in H2 Tags Relevancy | -0.12 | 8 | 1 | 17 % | 75 % |
173 | Word Count in Meta Description Size | -0.12 | 43 | 21 | 73 % | 67 % |
174 | Number of NoFollow External Links Authority | -0.12 | 465 | 3 | 22 % | 75 % |
175 | Variations making whole H1 Tags Relevancy | -0.12 | 1 | 1 | 11 % | 65 % |
176 | Meta Description Length Size | -0.12 | 259 | 125 | 73 % | 75 % |
177 | Uses Schema listitem Other | -0.12 | 1 | 1 | 48 % | 63 % |
178 | Percentage of DoFollow Links Authority | -0.12 | 100 | 90 | 89 % | 82 % |
179 | Exact Matches in A Tags Relevancy | -0.12 | 153 | 3 | 25 % | 74 % |
180 | Variations in Class Attributes Relevancy | -0.12 | 311 | 8 | 29 % | 73 % |
181 | Meta Description Tag Has Entities Relevancy | -0.12 | 1 | 1 | 63 % | 66 % |
182 | Is Pagination Page Other | -0.12 | 1 | 1 | 19 % | 66 % |
183 | Uses Schema streetaddress Other | -0.12 | 1 | 1 | 21 % | 59 % |
184 | Number of Email Addresses Trust | -0.12 | 83 | 4 | 46 % | 78 % |
185 | Has Meta Robots Other | -0.12 | 1 | 1 | 31 % | 60 % |
186 | Uses Schema url Other | -0.12 | 1 | 1 | 62 % | 67 % |
187 | Number of H1 Tags Size | -0.12 | 5 | 2 | 81 % | 67 % |
188 | Variations in Figure Tags Relevancy | -0.12 | 72 | 7 | 15 % | 70 % |
189 | Variations in H4 Tags Relevancy | -0.12 | 8 | 1 | 19 % | 70 % |
190 | Exact Matches in H1 Tags Relevancy | -0.12 | 2 | 1 | 21 % | 67 % |
191 | Uses JSON-LD addressRegion Other | -0.12 | 1 | 1 | 18 % | 58 % |
192 | Uses JSON-LD AggregateRating Other | -0.12 | 1 | 1 | 9 % | 63 % |
193 | Uses Schema text Other | -0.12 | 1 | 1 | 13 % | 65 % |
194 | Uses JSON-LD addressLocality Other | -0.12 | 1 | 1 | 19 % | 59 % |
195 | Uses JSON-LD itemListOrder Other | -0.12 | 1 | 1 | 2 % | 14 % |
196 | Uses JSON-LD City | -0.12 | 1 | 1 | 4 % | 22 % |
197 | Has Apple Touch Icon Technology | -0.12 | 1 | 1 | 51 % | 66 % |
198 | Number of HREF Lang Tags Size | -0.12 | 26 | 2 | 10 % | 73 % |
199 | Uses Schema itemlistorder Other | -0.12 | 1 | 1 | 2 % | 13 % |
200 | Has Entities in H4 Tags Relevancy | -0.12 | 1 | 1 | 25 % | 67 % |