Measures 140709 SEO Factors

138987 Built-In SEO Factors

130075 On-page SEO Factors

8912 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 2022-4     previous - today - next

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

NameCorrelation#1 MaxPage 1 AvgUsage %Searches %
1Number of Top 50 Shared Factors Used   Diversity-0.35442698 %89 %
2Number of Top 100 Shared Factors Used   Diversity-0.34895198 %88 %
3Number of Distinct Entities Used   Diversity-0.32652695 %76 %
4Number of Factors Used   Diversity-0.322113997 %92 %
5Number of Top 200 Shared Factors Used   Diversity-0.291529198 %87 %
6Variations in HTML Tags   Relevancy-0.263422220990 %95 %
7Ahrefs Rank   Authority-0.26431782 %14 %
8Ahrefs Referring IP Addresses   Authority-0.2615709467 %20 %
9Ahrefs Referring Class C Addresses   Authority-0.2610027067 %20 %
10Ahrefs Referring Domains   Authority-0.25228011767 %20 %
11Variations in Body Tags   Relevancy-0.253148220691 %93 %
12Ahrefs Referring Pages   Authority-0.24320662680667 %20 %
13Ahrefs Text Backlinks   Authority-0.24320265677166 %20 %
14Ahrefs Backlinks   Authority-0.24320662676667 %20 %
15Variations in H1-H6 Tags   Relevancy-0.24208981 %93 %
16Ahrefs NoFollow Backlinks   Authority-0.242626964358 %20 %
17Variations in H1, H2, and H3 Tags   Relevancy-0.24149780 %92 %
18Variations in Div Tags   Relevancy-0.241688112787 %93 %
19Entities in H2 Tags-0.2324660 %75 %
20Variations in P Tags   Relevancy-0.2329383678 %94 %
21Entities in H3 Tags-0.2322648 %75 %
22Ahrefs Dofollow Backlinks   Authority-0.23293989622858 %20 %
23Variations in H1 and H2 Tags   Relevancy-0.2313578 %90 %
24Variations in Sentences   Relevancy-0.2226702879 %94 %
25Entities in Sentences   Relevancy-0.223959674 %97 %
26Variations in LI Tags   Relevancy-0.2211501871 %92 %
27Entities in Title Tag   Relevancy-0.2210381 %72 %
28Variations in A Tags   Relevancy-0.2230772680 %93 %
29Entities in the HTML Tag   Relevancy-0.22130628476 %95 %
30LSI Words in Sentences   Relevancy-0.21446961478 %97 %
31Variations in H2 Tags   Relevancy-0.2157454 %91 %
32Clean Keyword Density in the HTML Tag   Relevancy-0.21203584 %84 %
33Term Frequency   Relevancy-0.28388 %93 %
34Leading Variations in H1-H6 Tags   Relevancy-0.222355 %90 %
35Variation Position Variance-0.26874214489 %55 %
36Variations in Search Result Display URL   Relevancy-0.212288 %78 %
37Variations in Search Result Link Text   Relevancy-0.212288 %78 %
38Variations in Script Tags   Relevancy-0.265684066 %94 %
39Variations in A Tag HREF Attributes   Relevancy-0.220044476 %94 %
40Body Tag Size Kilobytes   Size-0.22078483 %91 %
41Leading Variations in H1, H2, and H3 Tags   Relevancy-0.215253 %89 %
42Variation Density in Top 30KB   Relevancy-0.2301376 %82 %
43Variations in Distinct A Tag HREF Attributes   Relevancy-0.216443076 %94 %
44Ahrefs Has Text Backlinks   Authority-0.21165 %18 %
45Average Variation Position-0.212645432991 %55 %
46Exact Matches in Body Tag   Relevancy-0.22691538 %90 %
47Ahrefs Has Backlinks   Authority-0.191166 %18 %
48Keywords in pages top 10 most used phrases-0.196269 %86 %
49Variations in ALT Attributes   Relevancy-0.19294753 %89 %
50Exact Matches in the HTML Tag   Relevancy-0.193721441 %89 %
51Ahrefs Has NoFollow Backlinks   Authority-0.191157 %18 %
52DomDetailer Moz PA   Authority-0.19694698 %30 %
53Ahrefs Has Dofollow Backlinks   Authority-0.191158 %19 %
54Exact Match Position Variance-0.19574991036 %46 %
55Variations in the Title Tag   Relevancy-0.1914281 %78 %
56Number of Sentences   Size-0.193406193 %88 %
57Average Exact Match Position-0.1912009210842 %50 %
58Entities in H4 Tags-0.1911325 %72 %
59Page Size Kilobytes   Size-0.1931515096 %86 %
60Variations in H3 Tags   Relevancy-0.1979339 %89 %
61Entities in Meta Description Tag   Relevancy-0.1910364 %68 %
62Unabridged Word Count   Size-0.194766164296 %89 %
63Clean Text Kilobytes   Size-0.18281192 %87 %
64Variations in Search Result URL Path   Relevancy-0.1814265 %73 %
65DomDetailer Majestic Referring Subnets   Authority-0.18655491513595 %33 %
66DomDetailer Majestic CF   Authority-0.18643895 %31 %
67DomDetailer Moz DA   Authority-0.18804398 %29 %
68Variations in Span Tags   Relevancy-0.185481060 %90 %
69Keywords in pages top 5 most used phrases-0.184259 %86 %
70Number of HTML Tags   Size-0.18262386797 %86 %
71Variations in Meta Description   Relevancy-0.1843262 %82 %
72Word Count   Size-0.183799139296 %87 %
73Variations in Search Result URL   Relevancy-0.1822267 %76 %
74DomDetailer Majestic IPs   Authority-0.182773465417695 %34 %
75Ahrefs Image Backlinks-0.1854619181227 %18 %
76Variations in Search Result Document File Name   Relevancy-0.184267 %64 %
77DomDetailer Majestic Referring Domains   Authority-0.18184334533981495 %34 %
78DomDetailer Majestic TF   Authority-0.18572883 %31 %
79Entities in H1 Tags-0.1811268 %65 %
80Ahrefs Internal Links   Authority-0.1873013973 %20 %
81Ahrefs Pages   Size-0.187374 %18 %
82Variations in H1 Tags   Relevancy-0.1817270 %79 %
83Variations in First 100 Words   Relevancy-0.17199871 %77 %
84Variations in Absolute URLs   Relevancy-0.1720264169 %90 %
85DomDetailer Majestic Links   Authority-0.1787653122882151496 %34 %
86Variations in the Canonical URL   Relevancy-0.1756261 %82 %
87Number of P Tags   Size-0.171453690 %87 %
88Variations in Nav Tags   Relevancy-0.1735372249 %89 %
89Keywords in pages top 3 most used phrases-0.172150 %86 %
90Ahrefs Has Image Backlinks   Authority-0.171128 %16 %
91LSI Words in Title Tag   Relevancy-0.1727775 %89 %
92Ahrefs External Links   Authority-0.171332869 %18 %
93Number of Heading Tags   Size-0.171012193 %86 %
94Variations in Main Tags   Relevancy-0.1770515435 %89 %
95Has Entities in H2 Tags   Relevancy-0.171163 %67 %
96Number of Questions   Size-0.1799667 %86 %
97Exact Matches in H1-H6 Tags   Relevancy-0.1716231 %87 %
98Exact Match Clustering Score-0.17461535 %42 %
99Leading Variations in H2 Tags   Relevancy-0.174126 %86 %
100Variations in OpenGraph Title   Relevancy-0.179260 %76 %
101Variations in OpenGraph Description   Relevancy-0.1740253 %79 %
102Exact Matches in Top 30KB   Relevancy-0.1727433 %69 %
103DomDetailer Facebook Shares   Authority-0.1711070223-902514189 %32 %
104DomDetailer Moz Rank   Authority-0.178595 %28 %
105Variations in Search Result Summary   Relevancy-0.1744390 %61 %
106Number of HTTPS Links   Authority-0.1649114393 %83 %
107Number of Internal Links   Authority-0.1646013093 %85 %
108LSI Words in H2 Tags   Relevancy-0.16941762 %94 %
109Has Entities in H1 Tags   Relevancy-0.161171 %61 %
110Number of Links   Authority-0.1649314794 %84 %
111Variations Making Whole LI Tags   Relevancy-0.165130 %82 %
112Variations making whole A Tags   Relevancy-0.166135 %83 %
113Number of DoFollow Links   Authority-0.1648514294 %83 %
114DomDetailer Moz Links   Authority-0.16935777041926790196 %34 %
115LSI Words in H3 Tags   Relevancy-0.161831754 %93 %
116Variations in Footer Tags   Relevancy-0.161483835 %83 %
117Number of Images with ALT Text   Size-0.16771885 %87 %
118TF/IDF   Relevancy-0.161168 %83 %
119Number of H3 Tags   Size-0.1625870 %84 %
120Variation Count in Top 30KB   Relevancy-0.1659934583 %79 %
121Leading Variations in Title Tag   Relevancy-0.161139 %76 %
122Number of Images   Size-0.161082792 %83 %
123Ahrefs Domain Rating   Authority-0.16814791 %12 %
124Has Entities in H3 Tags   Relevancy-0.161151 %68 %
125Ahrefs Linked Root Domains   Authority-0.1618872 %18 %
126Number Of JSON-LD Types   Relevancy-0.1688957 %82 %
127Variations making whole H1-H6 Tags   Relevancy-0.165119 %80 %
128Search Result Summary Length   Size-0.1532415697 %57 %
129Exact Matches in Sentences   Relevancy-0.1532325 %89 %
130Title Tag Has Entities   Relevancy-0.151183 %58 %
131Has Entities in H4 Tags   Relevancy-0.151127 %62 %
132Variations Making Whole Span Tags   Relevancy-0.1513122 %86 %
133Variations in H4-H6 Tags   Relevancy-0.1559223 %82 %
134Ahrefs EDU Backlinks   Authority-0.154982929810 %14 %
135Variations in Strong Tags   Relevancy-0.15104333 %84 %
136Variations in the last 100 words   Relevancy-0.15197557 %80 %
137Variations making whole H1, H2, and H3 Tags   Relevancy-0.152117 %77 %
138Leading Variations in H1 Tags   Relevancy-0.152134 %79 %
139Number of Absolute URLs   Authority-0.1542314195 %84 %
140Variations in H4 Tags   Relevancy-0.1549218 %84 %
141Meta Description Tag Has Entities   Relevancy-0.151167 %57 %
142Exact Matches in Title Tag   Relevancy-0.154127 %78 %
143Number of Questions In Headings   Size-0.156243 %32 %
144Exact Matches in A Tags   Relevancy-0.1547326 %85 %
145Ahrefs Has Internal Links   Authority-0.151171 %16 %
146Ahrefs Redirects   Authority-0.157211013 %16 %
147Variations in Section Tags   Relevancy-0.1516901838 %84 %
148Number of H2 Tags   Size-0.1417779 %87 %
149Ahrefs Has External Links   Authority-0.141168 %16 %
150LSI Words in Meta Description Tag   Relevancy-0.14501058 %87 %
151Keywords in pages most used phrase-0.142128 %80 %
152Number of Questions In H2 Tags   Size-0.144123 %80 %
153Inline JavaScript Kilobytes   Size-0.141193291 %82 %
154Leading Variations in H3 Tags   Relevancy-0.148118 %84 %
155Headings Has Question   Other-0.141139 %78 %
156Ahrefs Has Redirects   Authority-0.141113 %14 %
157DomDetailer Majestic GOV Backlinks   Authority-0.1422622107370622941 %32 %
158Variations in TITLE Attributes   Relevancy-0.14366736 %86 %
159Ahrefs Has EDU Backlinks   Authority-0.14119 %14 %
160Ahrefs Has Linked Root Domains   Authority-0.141170 %15 %
161Variations in Article Tags   Relevancy-0.1413621931 %78 %
162Title Has Sales Words   Other-0.141114 %66 %
163Has JSON-LD Answer-0.14115 %63 %
164Has JSON-LD Question-0.14115 %63 %
165Exact Matches in H1 Tags   Relevancy-0.142123 %80 %
166Has JSON-LD AggregateRating-0.14117 %60 %
167Title Has Sentiment Words   Other-0.141114 %66 %
168Number of Questions In H3 Tags   Size-0.144116 %78 %
169Head Size Kilobytes   Size-0.141154391 %81 %
170LSI Words in H1 Tags   Relevancy-0.1416566 %86 %
171Number of H4 Tags   Size-0.1476445 %79 %
172Inline CSS Kilobytes   Size-0.141023164 %80 %
173Number of Prices   Size-0.144073371 %71 %
174Exact Matches in H2 Tags   Relevancy-0.135116 %86 %
175Number of US Phone Numbers   Trust-0.13121744 %77 %
176Leading Variations in H4-H6 Tags   Relevancy-0.137111 %76 %
177Entities in H5 Tags-0.1312110 %61 %
178Variation Clustering Score-0.13554189 %50 %
179Load Time Milliseconds   Performance-0.13121735247697 %64 %
180Number Of Claimed Brands   Other-0.1310218 %75 %
181Leading Variations in H4 Tags   Relevancy-0.13618 %78 %
182Variations in ID Attributes   Relevancy-0.13366212 %82 %
183Variations in Class Attributes   Relevancy-0.1342301124 %77 %
184Has US Phone Number   Trust-0.131144 %63 %
185Variations in I Tags   Relevancy-0.13329734 %80 %
186Number of External Links   Authority-0.13611788 %75 %
187LSI Words in H4 Tags   Relevancy-0.1382833 %88 %
188Title Word Count   Size-0.13271195 %53 %
189Percentage of DoFollow Internal Links   Authority-0.13958193 %73 %
190Has JSON-LD Product-0.13115 %44 %
191Has JSON-LD City-0.13112 %16 %
192Variations in Meta Twitter Description   Relevancy-0.136121 %71 %
193Variations making whole H1 Tags   Relevancy-0.121111 %74 %
194Variations Making Whole Strong Tags   Relevancy-0.12517 %76 %
195Word Count in Meta Description   Size-0.12602172 %70 %
196Has JSON-LD Review-0.12113 %40 %
197Meta Description Length   Size-0.1226712672 %70 %
198Exact Matches in Meta Description   Relevancy-0.122117 %82 %
199Has Schema Markup   Relevancy-0.121168 %69 %
200Search Result Number of Dirs in Path   Other-0.124284 %57 %