Measures 149786 SEO Factors

148064 Built-In SEO Factors

138887 On-page SEO Factors

9177 Google Maps SEO Factors for Local SEO

1722 SEO Factors from APIs

147 API SEO Factors for off-page SEO like backlinks and referring domains.

[ Ahrefs, SEMRush, DomDetailer, SpyFu APIs ]

1575 Technology Stack SEO Factors

[ Wappalyzer API ]

The Cora Shared Data contains over 300 million SEO factor measurements and grows hourly.

Google Maps and Bing Factors are not yet available for viewing but will be coming soon!
Aggregate SEO Weather Top SEO Factors - Aggregate SEO Weather

TOP SEO Factors for 2020-3     previous - today - next

Top SEO Factor data is updated daily for latest "month to date" measurements.

NameCorrelation#1 MaxPage 1 AvgUsage %Searches %
1Number of Distinct Entities Used   Diversity-0.3923086 %38 %
2Variations in HTML Tags   Relevancy-0.25116822289 %92 %
3Term Frequency   Relevancy-0.248692 %93 %
4Entities in Sentences   Relevancy-0.2344915282 %37 %
5Number of Factors Used   Diversity-0.2318712693 %89 %
6Entities in the HTML Tag   Relevancy-0.23209553386 %34 %
7Variations in Div Tags   Relevancy-0.2288613986 %90 %
8Variations in A Tags   Relevancy-0.211483180 %92 %
9Variations in P Tags   Relevancy-0.212404078 %87 %
10Variations in Body Tags   Relevancy-0.21113917278 %88 %
11Variations in A Tag HREF Attributes   Relevancy-0.213935577 %92 %
12Exact Matches in the HTML Tag   Relevancy-0.21160842 %89 %
13Variations in H1, H2, and H3 Tags   Relevancy-0.229777 %88 %
14Variations in Sentences   Relevancy-0.21132479 %90 %
15Variations in H1-H6 Tags   Relevancy-0.236978 %87 %
16Variations in LI Tags   Relevancy-0.21192275 %91 %
17Variations in Search Result URL   Relevancy-0.195273 %78 %
18Variations in Search Result URL Path   Relevancy-0.195273 %76 %
19LSI Words in HTML Tag-0.1910445224883 %34 %
20LSI Words in Sentences   Relevancy-0.19402657080 %37 %
21Exact Matches in Body Tag   Relevancy-0.191901140 %90 %
22Variations in H1 and H2 Tags   Relevancy-0.1915575 %85 %
23Entities in H3 Tags-0.1923746 %36 %
24Unabridged Word Count   Size-0.188242223992 %89 %
25Entities in H2 Tags-0.1824655 %37 %
26Variations in Search Result Document File Name   Relevancy-0.185271 %69 %
27Clean Text Kilobytes   Size-0.18451589 %85 %
28Variations in Absolute URLs   Relevancy-0.182796075 %91 %
29Variations in Search Result Display URL   Relevancy-0.184290 %71 %
30Variations in Search Result Link Text   Relevancy-0.184290 %71 %
31Number of HTML Tags   Size-0.18247385392 %81 %
32Word Count   Size-0.186274180792 %89 %
33Keywords in pages top 10 most used phrases-0.186274 %84 %
34Leading Variations in H1, H2, and H3 Tags   Relevancy-0.189252 %85 %
35Exact Matches in H1-H6 Tags   Relevancy-0.188130 %84 %
36Number of HTTPS Links   Authority-0.1834713186 %79 %
37Leading Variations in H1-H6 Tags   Relevancy-0.1811255 %85 %
38DomDetailer Majestic Referring Subnets   Authority-0.18426381114282 %11 %
39Variations in H2 Tags   Relevancy-0.1712350 %89 %
40DomDetailer Majestic IPs   Authority-0.171792653694782 %11 %
41Variations in the Canonical URL   Relevancy-0.174258 %80 %
42DomDetailer Majestic Referring Domains   Authority-0.17137373119122382 %11 %
43Keywords in pages top 5 most used phrases-0.174265 %83 %
44Number of DoFollow Links   Authority-0.1737713891 %76 %
45Number of Internal Links   Authority-0.1737712591 %80 %
46LSI Words in Title Tag   Relevancy-0.1716676 %33 %
47Keywords in pages top 3 most used phrases-0.173156 %82 %
48Variations in Script Tags   Relevancy-0.173813665 %90 %
49Exact Matches in Title Tag   Relevancy-0.172129 %79 %
50Page Size Kilobytes   Size-0.1743113092 %83 %
51Number of Links   Authority-0.1639413988 %78 %
52Entities in Title Tag   Relevancy-0.1610376 %33 %
53Variations in Span Tags   Relevancy-0.16701059 %90 %
54Number of Sentences   Size-0.162345489 %81 %
55Variations in First 100 Words   Relevancy-0.1633875 %77 %
56Variations in ALT Attributes   Relevancy-0.1638855 %88 %
57Variations in H3 Tags   Relevancy-0.1615338 %87 %
58DomDetailer Majestic Links   Authority-0.16105911309380594783 %11 %
59Number of P Tags   Size-0.162524386 %80 %
60Exact Matches in A Tags   Relevancy-0.1629225 %84 %
61Leading Variations in Title Tag   Relevancy-0.161143 %74 %
62Variations in Meta Description   Relevancy-0.168260 %80 %
63Body Tag Size Kilobytes   Size-0.162777480 %75 %
64Number of Questions   Size-0.1547766 %84 %
65LSI Words in Meta Description Tag   Relevancy-0.1524960 %33 %
66Variations in Nav Tags   Relevancy-0.151631745 %85 %
67Variations in the Title Tag   Relevancy-0.154278 %75 %
68Number of Heading Tags   Size-0.15542188 %83 %
69Entities in Meta Description Tag   Relevancy-0.1510360 %32 %
70TF/IDF   Relevancy-0.151178 %78 %
71Exact Matches in H1 Tags   Relevancy-0.152122 %77 %
72DomDetailer Moz Links   Authority-0.1549543007979907582 %11 %
73Load Time Milliseconds   Performance-0.1567720286796 %63 %
74Variations in Section Tags   Relevancy-0.151501936 %81 %
75Leading Variations in H2 Tags   Relevancy-0.155126 %85 %
76Number of HREF Lang Tags   Size-0.1521314 %69 %
77Number of Images   Size-0.15952887 %75 %
78Variations in Strong Tags   Relevancy-0.1514336 %81 %
79Exact Matches in Sentences   Relevancy-0.1516223 %83 %
80Has Canonical URL   Authority-0.151170 %74 %
81Number of H2 Tags   Size-0.1516672 %82 %
82Variations Making Whole Span Tags   Relevancy-0.148123 %79 %
83Search Result Uses HTTPS   Other-0.141189 %75 %
84Leading Variations in H1 Tags   Relevancy-0.141136 %80 %
85Entities in H4 Tags-0.1411325 %34 %
86Has Meta Description   Relevancy-0.141167 %73 %
87Number of H3 Tags   Size-0.1427867 %81 %
88Number of Questions In Headings   Size-0.147236 %79 %
89Entities in H1 Tags-0.147264 %32 %
90LSI Words in H2 Tags   Relevancy-0.14611357 %34 %
91Variations making whole A Tags   Relevancy-0.1412237 %81 %
92Number of Images with ALT Text   Size-0.14581780 %79 %
93Search Result Publish Date-0.142005745273192887004593 %45 %
94Variations in Article Tags   Relevancy-0.141832734 %77 %
95Variations in H1 Tags   Relevancy-0.143266 %79 %
96Number of Bytes to First Match   Size-0.14220153527807294 %67 %
97Variations in Main Tags   Relevancy-0.143434927 %80 %
98Variations in Footer Tags   Relevancy-0.1451837 %79 %
99Number of Absolute URLs   Authority-0.1451415291 %82 %
100Variations Making Whole LI Tags   Relevancy-0.145128 %78 %
101Variations in the last 100 words   Relevancy-0.1420562 %81 %
102LSI Words in H1 Tags   Relevancy-0.1422566 %31 %
103Inline JavaScript Kilobytes   Size-0.141212789 %76 %
104Exact Matches in H2 Tags   Relevancy-0.148113 %82 %
105Has FavIcon   Technology-0.141170 %67 %
106Search Result Link Text Has Year   Other-0.141114 %62 %
107Variations making whole H1-H6 Tags   Relevancy-0.133120 %72 %
108Title Has Year   Other-0.131113 %67 %
109Variations making whole H1, H2, and H3 Tags   Relevancy-0.133118 %72 %
110Variations in OpenGraph Description   Relevancy-0.136249 %75 %
111Exact Matches in Meta Description   Relevancy-0.132116 %79 %
112Number of External Links   Authority-0.13602086 %77 %
113Variations in Class Attributes   Relevancy-0.131691134 %77 %
114LSI Words in H3 Tags   Relevancy-0.13861450 %32 %
115Has Entities in H2 Tags   Relevancy-0.131155 %33 %
116Number of Nofollow Links   Authority-0.1391841 %79 %
117Has Form   Technology-0.131165 %64 %
118Has Copyright   Trust-0.131169 %55 %
119Title Has Sentiment Words   Other-0.131122 %69 %
120Variations in ID Attributes   Relevancy-0.1312217 %79 %
121Number of Questions In H2 Tags   Size-0.133121 %76 %
122Has Meta Charset   Technology-0.131178 %52 %
123Variations in Search Result Summary   Relevancy-0.135376 %66 %
124Leading Variations in H3 Tags   Relevancy-0.136119 %80 %
125Variations in OpenGraph Title   Relevancy-0.133154 %70 %
126Title Has Sales Words   Other-0.131121 %70 %
127Variations in TITLE Attributes   Relevancy-0.13181844 %84 %
128Number of NoFollow External Links   Authority-0.1337429 %76 %
129Has HREF Lang   Technology-0.131114 %66 %
130Number of Social Accounts   Authority-0.134254 %69 %
131Has Entities in H1 Tags   Relevancy-0.131165 %31 %
132Variations in I Tags   Relevancy-0.1325323 %79 %
133Variations in H4 Tags   Relevancy-0.1310118 %80 %
134Variations in H4-H6 Tags   Relevancy-0.1311223 %74 %
135Number of DoFollow External Links   Authority-0.12541683 %75 %
136Title Tag Has Entities   Relevancy-0.121176 %30 %
137Search Result Number of Dirs in Path   Other-0.124285 %61 %
138Has MicroData   Relevancy-0.121137 %66 %
139Variations in Search Result URL Domain Name   Relevancy-0.12115 %44 %
140LSI Words in H4 Tags   Relevancy-0.1237632 %31 %
141Has Entities in H3 Tags   Relevancy-0.121148 %31 %
142Keywords in pages most used phrase-0.121127 %72 %
143Search Result Summary Length   Size-0.1241923092 %63 %
144Has Apple Touch Icon   Technology-0.121140 %67 %
145Variations making whole H1 Tags   Relevancy-0.121111 %70 %
146Variations in Meta Twitter Description   Relevancy-0.124133 %70 %
147Inline CSS Kilobytes   Size-0.121022255 %72 %
148Has Terms of Service   Trust-0.121140 %66 %
149Has Privacy Policy   Trust-0.121158 %69 %
150Percentage of NoFollow Links   Authority-0.1222539 %73 %
151Number of Twitter Accounts   Authority-0.123147 %62 %
152Number of Questions In H3 Tags   Size-0.125115 %73 %
153Percentage of DoFollow Internal Links   Authority-0.12957990 %67 %
154Variations Making Whole Strong Tags   Relevancy-0.12718 %73 %
155Headings Has Question   Other-0.121136 %70 %
156Search Result Has Schema   Other-0.12117 %62 %
157Has Schema Markup   Relevancy-0.121142 %62 %
158Percentage of NoFollow External Links   Authority-0.1218327 %74 %
159Has MicroData name-0.121123 %65 %
160Has Meta Robots   Other-0.111134 %66 %
161Meta Description Length   Size-0.1136712469 %77 %
162Number of H4 Tags   Size-0.1114446 %77 %
163Variations in Value Attributes   Relevancy-0.1156213 %71 %
164Word Count in Meta Description   Size-0.11642169 %78 %
165Search Result Link Text Length   Size-0.11975496 %64 %
166Variations in Em Tags   Relevancy-0.118111 %76 %
167Meta Description Tag Has Entities   Relevancy-0.111161 %30 %
168Title Has Best   Other-0.111114 %69 %
169Number of US Phone Numbers   Trust-0.11104634 %70 %
170Has Meta Twitter Description   Authority-0.111137 %60 %
171Percentage of NoFollow Internal Links   Authority-0.1117328 %69 %
172Number of YouTube Accounts   Technology-0.111112 %69 %
173Search Result Has Rating   Other-0.11116 %59 %
174Has Meta Twitter Card   Authority-0.111142 %59 %
175Search Result URL Length   Size-0.111026296 %54 %
176Percentage of DoFollow Links   Authority-0.111009190 %64 %
177Variations in Meta Twitter Content   Relevancy-0.112136 %65 %
178Number of Questions In H4 Tags   Size-0.11217 %64 %
179Variations in Aside Tags   Relevancy-0.1135516 %76 %
180Number of LinkedIn Pages   Authority-0.113124 %66 %
181Number of Facebook Accounts   Authority-0.113134 %69 %
182Has Meta Twitter Site   Authority-0.111122 %64 %
183Number of JavaScript Includes   Technology-0.11341489 %59 %
184Average Words Per Sentence   Size-0.118237293 %67 %
185Leading Variations in Meta Description   Relevancy-0.111112 %66 %
186Search Result Domain Length   Size-0.11261996 %55 %
187Flesch Kincaid Reading Ease   -0.1115510896 %64 %
188Number of Images without ALT Text   Size-0.11571167 %70 %
189Has Meta Twitter Title   Authority-0.111138 %58 %
190Variations in Host Citations   Relevancy-0.11143617 %75 %
191Variations in Meta Keywords   Relevancy-0.1159216 %70 %
192Search Result Host Length   Size-0.11261996 %54 %
193Has JSON-LD Organization-0.111130 %64 %
194Number of Social Pages   Authority-0.119248 %64 %
195Number of HTML Comments   Size-0.111042878 %64 %
196Search Result Has Unmodified Page Title   Other-0.11155 %57 %
197Variations in Button Tags   Relevancy-0.11816 %74 %
198Flesch Kincaid Reading Grade Level   Other-0.17389 %64 %
199Has OpenGraph Image   Relevancy-0.11150 %67 %
200Has Meta Keywords   Relevancy-0.11121 %59 %