[ Ahrefs, SEMRush, DomDetailer, SpyFu APIs ]
[ Wappalyzer API ]
SEO Factor ClassSize ( 54149 )Relevancy ( 53600 ) Other ( 28973 ) Local ( 8886 ) 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 ( 54145 )Keywords ( 41505 ) Schema ( 28919 ) Local ( 8887 ) LSI ( 8507 ) Entities ( 3566 ) 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 Has Publish Date | -0.52 | 1 | 1 | 28 % | 11 % |
2 | Number of Distinct Entities Used Diversity | -0.3 | 73 | 26 | 87 % | 59 % |
3 | Variations in HTML Tags Relevancy | -0.26 | 931 | 162 | 88 % | 97 % |
4 | Number of Factors Used Diversity | -0.26 | 198 | 138 | 94 % | 91 % |
5 | Term Frequency Relevancy | -0.25 | 8 | 6 | 88 % | 95 % |
6 | Variations in Div Tags Relevancy | -0.24 | 730 | 119 | 86 % | 95 % |
7 | Variations in Body Tags Relevancy | -0.24 | 908 | 143 | 81 % | 96 % |
8 | Variations in A Tags Relevancy | -0.24 | 148 | 28 | 79 % | 96 % |
9 | Variations in H1-H6 Tags Relevancy | -0.24 | 39 | 9 | 78 % | 95 % |
10 | Variations in H1, H2, and H3 Tags Relevancy | -0.24 | 34 | 7 | 77 % | 94 % |
11 | Variations in A Tag HREF Attributes Relevancy | -0.23 | 688 | 45 | 73 % | 94 % |
12 | Search Result Publish Date | -0.23 | 2010624408 | 1630700289 | 76 % | 36 % |
13 | Entities in Title Tag Relevancy | -0.22 | 7 | 3 | 76 % | 58 % |
14 | Variations in H1 and H2 Tags Relevancy | -0.22 | 13 | 4 | 74 % | 93 % |
15 | LSI Words in Sentences Relevancy | -0.22 | 3424 | 554 | 79 % | 94 % |
16 | Variations in P Tags Relevancy | -0.22 | 164 | 33 | 76 % | 94 % |
17 | Variations in LI Tags Relevancy | -0.22 | 135 | 19 | 70 % | 94 % |
18 | Variations in Search Result Display URL Relevancy | -0.22 | 6 | 2 | 88 % | 85 % |
19 | Variations in Search Result Link Text Relevancy | -0.22 | 6 | 2 | 87 % | 85 % |
20 | Entities in H2 Tags | -0.21 | 29 | 5 | 51 % | 59 % |
21 | Variations in Sentences Relevancy | -0.21 | 104 | 19 | 76 % | 90 % |
22 | Variations in the Title Tag Relevancy | -0.21 | 6 | 2 | 80 % | 84 % |
23 | Keywords in pages top 10 most used phrases | -0.21 | 5 | 2 | 68 % | 89 % |
24 | LSI Words in Title Tag Relevancy | -0.21 | 21 | 6 | 76 % | 88 % |
25 | Variations in Script Tags Relevancy | -0.2 | 251 | 36 | 65 % | 93 % |
26 | Entities in H3 Tags | -0.2 | 37 | 6 | 42 % | 59 % |
27 | Variations in Search Result URL Relevancy | -0.2 | 4 | 2 | 60 % | 83 % |
28 | Entities in H1 Tags | -0.2 | 6 | 2 | 60 % | 54 % |
29 | Ahrefs Referring Class C Addresses Authority | -0.2 | 763 | 39 | 56 % | 43 % |
30 | Ahrefs Referring IP Addresses Authority | -0.2 | 1081 | 51 | 56 % | 43 % |
31 | DomDetailer Majestic Referring Subnets Authority | -0.2 | 263833 | 17108 | 85 % | 44 % |
32 | Ahrefs Referring Domains Authority | -0.2 | 4645 | 73 | 56 % | 43 % |
33 | Variations in H2 Tags Relevancy | -0.19 | 12 | 3 | 48 % | 91 % |
34 | DomDetailer Majestic IPs Authority | -0.19 | 1268670 | 63952 | 85 % | 44 % |
35 | Number of HTML Tags Size | -0.19 | 2349 | 817 | 94 % | 89 % |
36 | Leading Variations in H1-H6 Tags Relevancy | -0.19 | 13 | 2 | 51 % | 93 % |
37 | Ahrefs Domain Rating Authority | -0.19 | 93 | 43 | 74 % | 35 % |
38 | Keywords in pages top 5 most used phrases | -0.19 | 4 | 2 | 57 % | 88 % |
39 | Ahrefs Rank Authority | -0.19 | 47 | 16 | 81 % | 34 % |
40 | DomDetailer Majestic Referring Domains Authority | -0.19 | 8306787 | 366176 | 85 % | 44 % |
41 | Page Size Kilobytes Size | -0.19 | 417 | 135 | 93 % | 91 % |
42 | DomDetailer Moz PA Authority | -0.19 | 84 | 43 | 87 % | 43 % |
43 | Variations in Absolute URLs Relevancy | -0.19 | 834 | 43 | 67 % | 92 % |
44 | Ahrefs NoFollow Backlinks Authority | -0.19 | 56683 | 334 | 49 % | 43 % |
45 | Unabridged Word Count Size | -0.19 | 10454 | 1769 | 91 % | 89 % |
46 | Variations in the Canonical URL Relevancy | -0.19 | 4 | 2 | 47 % | 83 % |
47 | Variations in H1 Tags Relevancy | -0.19 | 4 | 2 | 64 % | 83 % |
48 | Body Tag Size Kilobytes Size | -0.19 | 212 | 79 | 81 % | 90 % |
49 | Variations in Search Result URL Path Relevancy | -0.19 | 4 | 2 | 59 % | 79 % |
50 | Variations in Span Tags Relevancy | -0.19 | 44 | 12 | 61 % | 91 % |
51 | Clean Text Kilobytes Size | -0.19 | 51 | 11 | 87 % | 89 % |
52 | Leading Variations in H1, H2, and H3 Tags Relevancy | -0.19 | 12 | 2 | 47 % | 91 % |
53 | Variations in Search Result Document File Name Relevancy | -0.19 | 4 | 2 | 57 % | 73 % |
54 | DomDetailer Majestic CF Authority | -0.19 | 80 | 35 | 85 % | 43 % |
55 | Exact Matches in Body Tag Relevancy | -0.19 | 199 | 12 | 34 % | 93 % |
56 | Word Count Size | -0.19 | 5416 | 1365 | 91 % | 89 % |
57 | Ahrefs Text Backlinks Authority | -0.18 | 284108 | 5223 | 56 % | 44 % |
58 | Ahrefs Backlinks Authority | -0.18 | 284112 | 5271 | 57 % | 44 % |
59 | Ahrefs Referring Pages Authority | -0.18 | 284112 | 5270 | 57 % | 44 % |
60 | DomDetailer Moz DA Authority | -0.18 | 94 | 43 | 87 % | 42 % |
61 | Number of HTTPS Links Authority | -0.18 | 558 | 130 | 86 % | 87 % |
62 | Variations in ALT Attributes Relevancy | -0.18 | 67 | 9 | 54 % | 91 % |
63 | Number of Links Authority | -0.18 | 561 | 141 | 89 % | 84 % |
64 | TF/IDF Relevancy | -0.18 | 1 | 1 | 71 % | 83 % |
65 | Exact Matches in the HTML Tag Relevancy | -0.18 | 267 | 9 | 34 % | 91 % |
66 | DomDetailer Majestic Links Authority | -0.18 | 857880709 | 40120311 | 85 % | 43 % |
67 | Variations in Meta Description Relevancy | -0.18 | 5 | 2 | 59 % | 87 % |
68 | Number of Internal Links Authority | -0.18 | 551 | 125 | 88 % | 85 % |
69 | Number of DoFollow Links Authority | -0.18 | 558 | 135 | 88 % | 83 % |
70 | Number of Sentences Size | -0.18 | 190 | 41 | 88 % | 87 % |
71 | DomDetailer Moz Rank Authority | -0.18 | 10 | 5 | 85 % | 42 % |
72 | Keywords in pages top 3 most used phrases | -0.18 | 3 | 1 | 47 % | 86 % |
73 | Variations in H3 Tags Relevancy | -0.18 | 24 | 3 | 37 % | 91 % |
74 | DomDetailer Majestic TF Authority | -0.17 | 82 | 29 | 77 % | 42 % |
75 | Variations in First 100 Words Relevancy | -0.17 | 28 | 8 | 71 % | 81 % |
76 | Entities in Meta Description Tag Relevancy | -0.17 | 8 | 3 | 58 % | 54 % |
77 | DomDetailer Moz Links Authority | -0.17 | 607590493 | 27728290 | 86 % | 44 % |
78 | Number of P Tags Size | -0.17 | 223 | 37 | 85 % | 86 % |
79 | Ahrefs Dofollow Backlinks Authority | -0.17 | 284025 | 4939 | 47 % | 43 % |
80 | Has Entities in H1 Tags Relevancy | -0.17 | 1 | 1 | 62 % | 52 % |
81 | DomDetailer Facebook Shares Authority | -0.17 | 21389207 | -8263496 | 79 % | 42 % |
82 | LSI Words in H1 Tags Relevancy | -0.17 | 18 | 5 | 65 % | 84 % |
83 | LSI Words in H2 Tags Relevancy | -0.17 | 78 | 14 | 57 % | 92 % |
84 | Number of Heading Tags Size | -0.17 | 51 | 20 | 88 % | 85 % |
85 | Entities in H4 Tags | -0.17 | 20 | 3 | 24 % | 57 % |
86 | Number of Absolute URLs Authority | -0.16 | 464 | 127 | 90 % | 83 % |
87 | Variations in OpenGraph Title Relevancy | -0.16 | 5 | 2 | 55 % | 80 % |
88 | Variations in Nav Tags Relevancy | -0.16 | 140 | 15 | 44 % | 91 % |
89 | Number of Images Size | -0.16 | 115 | 28 | 86 % | 84 % |
90 | Title Tag Has Entities Relevancy | -0.16 | 1 | 1 | 76 % | 48 % |
91 | Leading Variations in H1 Tags Relevancy | -0.16 | 1 | 1 | 31 % | 84 % |
92 | Leading Variations in Title Tag Relevancy | -0.16 | 1 | 1 | 36 % | 81 % |
93 | Variations Making Whole Span Tags Relevancy | -0.16 | 9 | 1 | 20 % | 86 % |
94 | Entities in Sentences Relevancy | -0.16 | 423 | 71 | 51 % | 96 % |
95 | Number of Images with ALT Text Size | -0.16 | 99 | 18 | 79 % | 84 % |
96 | Ahrefs Has NoFollow Backlinks Authority | -0.16 | 1 | 1 | 48 % | 41 % |
97 | Number of Questions Size | -0.16 | 32 | 5 | 60 % | 84 % |
98 | Inline JavaScript Kilobytes Size | -0.16 | 282 | 31 | 86 % | 85 % |
99 | LSI Words in Meta Description Tag Relevancy | -0.16 | 39 | 10 | 58 % | 88 % |
100 | Exact Matches in H1-H6 Tags Relevancy | -0.16 | 15 | 2 | 25 % | 90 % |
101 | Variations in OpenGraph Description Relevancy | -0.16 | 7 | 2 | 49 % | 82 % |
102 | Has Entities in H2 Tags Relevancy | -0.15 | 1 | 1 | 52 % | 54 % |
103 | Variations in TITLE Attributes Relevancy | -0.15 | 106 | 9 | 42 % | 88 % |
104 | Search Result Uses HTTPS Other | -0.15 | 1 | 1 | 83 % | 78 % |
105 | DomDetailer Majestic GOV Backlinks Authority | -0.15 | 145593239 | 3953703 | 33 % | 40 % |
106 | Variations making whole A Tags Relevancy | -0.15 | 6 | 2 | 32 % | 87 % |
107 | Ahrefs Has Text Backlinks Authority | -0.15 | 1 | 1 | 56 % | 41 % |
108 | Number of H3 Tags Size | -0.15 | 28 | 8 | 65 % | 85 % |
109 | Entities in the HTML Tag Relevancy | -0.15 | 2053 | 230 | 53 % | 95 % |
110 | Number of Questions In Headings Size | -0.15 | 6 | 2 | 31 % | 83 % |
111 | Number of External Links Authority | -0.15 | 197 | 17 | 82 % | 80 % |
112 | Variations in Footer Tags Relevancy | -0.15 | 67 | 6 | 35 % | 86 % |
113 | Ahrefs Has Backlinks Authority | -0.15 | 1 | 1 | 56 % | 41 % |
114 | Head Size Kilobytes Size | -0.15 | 159 | 36 | 88 % | 85 % |
115 | LSI Words in H3 Tags Relevancy | -0.15 | 135 | 17 | 51 % | 90 % |
116 | Variations in the last 100 words Relevancy | -0.15 | 16 | 4 | 58 % | 83 % |
117 | Number of H2 Tags Size | -0.15 | 18 | 6 | 70 % | 86 % |
118 | Variations in H4-H6 Tags Relevancy | -0.15 | 21 | 2 | 23 % | 85 % |
119 | Ahrefs Word Count Size | -0.15 | 4427 | 1004 | 55 % | 31 % |
120 | Leading Variations in H2 Tags Relevancy | -0.15 | 4 | 1 | 21 % | 87 % |
121 | Variations in Main Tags Relevancy | -0.14 | 237 | 40 | 27 % | 87 % |
122 | Exact Matches in A Tags Relevancy | -0.14 | 51 | 3 | 21 % | 89 % |
123 | Variations in Section Tags Relevancy | -0.14 | 119 | 17 | 35 % | 85 % |
124 | Variations in H4 Tags Relevancy | -0.14 | 21 | 2 | 18 % | 85 % |
125 | Ahrefs Has Dofollow Backlinks Authority | -0.14 | 1 | 1 | 46 % | 41 % |
126 | Number of DoFollow External Links Authority | -0.14 | 195 | 15 | 80 % | 77 % |
127 | Variations Making Whole LI Tags Relevancy | -0.14 | 5 | 1 | 24 % | 83 % |
128 | Exact Matches in Title Tag Relevancy | -0.14 | 2 | 1 | 24 % | 85 % |
129 | Search Result Number of Dirs in Path Other | -0.14 | 4 | 2 | 75 % | 65 % |
130 | Number of Nofollow Links Authority | -0.14 | 72 | 7 | 36 % | 82 % |
131 | Has Canonical URL Authority | -0.14 | 1 | 1 | 72 % | 73 % |
132 | Inline CSS Kilobytes Size | -0.14 | 183 | 24 | 56 % | 84 % |
133 | Has Entities in H3 Tags Relevancy | -0.14 | 1 | 1 | 44 % | 53 % |
134 | Variations in I Tags Relevancy | -0.14 | 21 | 3 | 26 % | 83 % |
135 | Variations in Strong Tags Relevancy | -0.14 | 17 | 4 | 36 % | 83 % |
136 | Ahrefs Internal Links Authority | -0.14 | 476 | 77 | 61 % | 43 % |
137 | Load Time Milliseconds Performance | -0.14 | 102321 | 3036 | 93 % | 67 % |
138 | Headings Has Question Other | -0.13 | 1 | 1 | 31 % | 78 % |
139 | Word Count in Meta Description Size | -0.13 | 64 | 22 | 66 % | 76 % |
140 | Leading Variations in H3 Tags Relevancy | -0.13 | 9 | 1 | 17 % | 82 % |
141 | Percentage of DoFollow Internal Links Authority | -0.13 | 94 | 79 | 87 % | 70 % |
142 | Title Has Sentiment Words Other | -0.13 | 1 | 1 | 11 % | 74 % |
143 | Number of NoFollow External Links Authority | -0.13 | 55 | 3 | 23 % | 81 % |
144 | Title Has Sales Words Other | -0.13 | 1 | 1 | 11 % | 75 % |
145 | Number of Questions In H2 Tags Size | -0.13 | 3 | 1 | 17 % | 81 % |
146 | Variations in Value Attributes Relevancy | -0.13 | 21 | 2 | 14 % | 77 % |
147 | Percentage of NoFollow Links Authority | -0.13 | 18 | 4 | 35 % | 75 % |
148 | Number of Questions In H3 Tags Size | -0.13 | 4 | 1 | 13 % | 78 % |
149 | Has FavIcon Technology | -0.13 | 1 | 1 | 74 % | 68 % |
150 | Has OpenGraph Image Relevancy | -0.13 | 1 | 1 | 49 % | 68 % |
151 | Has Privacy Policy Trust | -0.13 | 1 | 1 | 46 % | 75 % |
152 | Variations in Class Attributes Relevancy | -0.13 | 97 | 5 | 24 % | 82 % |
153 | Percentage of DoFollow Links Authority | -0.13 | 100 | 92 | 87 % | 69 % |
154 | Number of HREF Lang Tags Size | -0.13 | 18 | 2 | 10 % | 80 % |
155 | Meta Description Length Size | -0.13 | 389 | 126 | 66 % | 74 % |
156 | Title Word Count Size | -0.13 | 22 | 10 | 90 % | 65 % |
157 | Search Result Has Schema Other | -0.13 | 1 | 1 | 2 % | 68 % |
158 | Variations making whole H1-H6 Tags Relevancy | -0.13 | 3 | 1 | 14 % | 79 % |
159 | Flesch Kincaid Reading Grade Level Other | -0.13 | 7 | 2 | 83 % | 67 % |
160 | Search Result Link Text Length Size | -0.13 | 108 | 56 | 94 % | 66 % |
161 | Number of Forms Technology | -0.13 | 12 | 3 | 65 % | 75 % |
162 | Meta Description Tag Has Entities Relevancy | -0.13 | 1 | 1 | 58 % | 47 % |
163 | Ahrefs Image Backlinks | -0.13 | 80011 | 1258 | 22 % | 37 % |
164 | Search Result URL Length Size | -0.13 | 97 | 62 | 92 % | 49 % |
165 | Ahrefs Images Relevancy | -0.12 | 77 | 16 | 53 % | 28 % |
166 | Keywords in pages most used phrase | -0.12 | 1 | 1 | 23 % | 78 % |
167 | Variations in Article Tags Relevancy | -0.12 | 123 | 18 | 29 % | 78 % |
168 | Number of Social Accounts Authority | -0.12 | 5 | 2 | 44 % | 71 % |
169 | Percentage of NoFollow External Links Authority | -0.12 | 15 | 2 | 22 % | 76 % |
170 | Variations making whole H1, H2, and H3 Tags Relevancy | -0.12 | 2 | 1 | 13 % | 78 % |
171 | Number of H4 Tags Size | -0.12 | 13 | 4 | 43 % | 78 % |
172 | Number of Facebook Accounts Authority | -0.12 | 2 | 1 | 30 % | 70 % |
173 | Exact Matches in H1 Tags Relevancy | -0.12 | 2 | 1 | 18 % | 84 % |
174 | Exact Matches in Sentences Relevancy | -0.12 | 36 | 2 | 19 % | 91 % |
175 | Number of US Phone Numbers Trust | -0.12 | 109 | 7 | 40 % | 73 % |
176 | Ahrefs Linked Root Domains Authority | -0.12 | 69 | 7 | 62 % | 40 % |
177 | Has Terms of Service Trust | -0.12 | 1 | 1 | 32 % | 74 % |
178 | Number of CSS Includes Technology | -0.12 | 13 | 8 | 83 % | 61 % |
179 | Ahrefs Has Domain Rating Authority | -0.12 | 1 | 1 | 72 % | 28 % |
180 | Leading Variations in H4-H6 Tags Relevancy | -0.12 | 6 | 1 | 11 % | 81 % |
181 | Number of Includes Technology | -0.12 | 13 | 8 | 83 % | 61 % |
182 | Variations in ID Attributes Relevancy | -0.12 | 11 | 1 | 10 % | 84 % |
183 | Has OpenGraph Type Relevancy | -0.12 | 1 | 1 | 56 % | 64 % |
184 | Has DocType Tag Technology | -0.12 | 1 | 1 | 85 % | 60 % |
185 | Number of Images without ALT Text Size | -0.12 | 80 | 11 | 67 % | 77 % |
186 | Number of JavaScript Includes Technology | -0.12 | 23 | 14 | 86 % | 69 % |
187 | Number of HTML Comments Size | -0.12 | 159 | 29 | 74 % | 77 % |
188 | Has Copyright Trust | -0.12 | 1 | 1 | 68 % | 68 % |
189 | LSI Words in H4 Tags Relevancy | -0.12 | 54 | 7 | 33 % | 84 % |
190 | Title Has Year Other | -0.12 | 1 | 1 | 7 % | 75 % |
191 | Variations in Meta Twitter Description Relevancy | -0.12 | 4 | 1 | 20 % | 72 % |
192 | Has Entities in H4 Tags Relevancy | -0.12 | 1 | 1 | 25 % | 49 % |
193 | Variations in B Tags Relevancy | -0.12 | 11 | 2 | 14 % | 80 % |
194 | Exact Matches in H2 Tags Relevancy | -0.12 | 6 | 1 | 11 % | 89 % |
195 | Has Meta Description Relevancy | -0.12 | 1 | 1 | 67 % | 73 % |
196 | Number of Instagram Pages Authority | -0.11 | 9 | 1 | 28 % | 71 % |
197 | Title Length Size | -0.11 | 146 | 58 | 90 % | 62 % |
198 | Ahrefs Page Size Size | -0.11 | 61060 | 21135 | 57 % | 29 % |
199 | Percentage of NoFollow Internal Links Authority | -0.11 | 15 | 3 | 25 % | 72 % |
200 | Number of YouTube Accounts Technology | -0.11 | 1 | 1 | 10 % | 72 % |