Measures 149338 SEO Factors

147616 Built-In SEO Factors

138444 On-page SEO Factors

9172 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 2026-02     previous

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

NameCorrelation#1 MaxPage 1 AvgUsage %Searches %
1Load Time Milliseconds   Performance-0.492544236590 %100 %
2Variations in the Canonical URL   Relevancy-0.332260 %100 %
3Entities in Meta Description Tag   Relevancy-0.334465 %100 %
4Has Entities in H1 Tags   Relevancy-0.321173 %50 %
5Clean Keyword Density in the HTML Tag   Relevancy-0.315482 %100 %
6Number of Unique Variations Used   Diversity-0.3110988 %100 %
7Variations in Search Result Document File Name   Relevancy-0.292247 %100 %
8Variations in Host Citations   Relevancy-0.283317 %50 %
9Has Entities in H3 Tags   Relevancy-0.281156 %50 %
10Uses JSON-LD keywords   Other-0.28114 %50 %
11Uses Schema keywords   Other-0.28114 %50 %
12Entities in Title Tag   Relevancy-0.284483 %100 %
13Number of Heading Tags   Size-0.27222288 %50 %
14Uses JSON-LD ContactPoint   Other-0.27117 %50 %
15Uses JSON-LD contactType   Other-0.27117 %50 %
16LSI Words in Meta Description Tag   Relevancy-0.27141269 %100 %
17Uses Schema contactpoint   Other-0.27117 %50 %
18Uses Schema contacttype   Other-0.27117 %50 %
19Variations in Search Result URL   Relevancy-0.272263 %100 %
20Variations in Search Result URL Path   Relevancy-0.272255 %100 %
21Title Has Question Words   Other-0.26115 %50 %
22Variations in Meta Description   Relevancy-0.262263 %100 %
23Number of Top 200 Shared Factors Used   Diversity-0.264643100 %100 %
24Flesch Kincaid Reading Grade Level   Other-0.253395 %50 %
25Number of Top 100 Shared Factors Used   Diversity-0.253533100 %100 %
26Uses JSON-LD contactOption   Other-0.25113 %50 %
27Uses JSON-LD QuantitativeValue   Other-0.25113 %50 %
28Uses Schema contactoption   Other-0.25113 %50 %
29Uses Schema quantitativevalue   Other-0.25113 %50 %
30Variations in Search Result Display URL   Relevancy-0.252289 %100 %
31Variations in Search Result Link Text   Relevancy-0.252289 %100 %
32Number of Factors Used   Diversity-0.24218194100 %100 %
33Number of H2 Tags   Size-0.248881 %50 %
34Number of H5 Tags   Size-0.242227 %50 %
35Uses JSON-LD contentUrl   Other-0.241152 %50 %
36Uses Schema contenturl   Other-0.241152 %50 %
37Number of Meta Generator Tags   Technology-0.242257 %100 %
38Variations in Script Tags   Relevancy-0.24605476 %100 %
39Uses JSON-LD description   Other-0.241151 %100 %
40LSI Words in Title Tag   Relevancy-0.248785 %100 %
41Number of Social Accounts   Authority-0.232243 %50 %
42LSI Words in Sentences   Relevancy-0.2382882388 %50 %
43Exact Matches in the HTML Tag   Relevancy-0.238532 %100 %
44Number of Top 50 Shared Factors Used   Diversity-0.231514100 %100 %
45Meta Description Tag Has Entities   Relevancy-0.231165 %100 %
46Search Result Link Text Has Year   Other-0.22112 %50 %
47Leading Variations in H1 Tags   Relevancy-0.221132 %100 %
48Leading Variations in H1, H2, and H3 Tags   Relevancy-0.223254 %100 %
49Has Meta Twitter Card   Authority-0.221164 %100 %
50Title Tag Has Entities   Relevancy-0.221183 %100 %
51LSI Words in H5 Tags   Relevancy-0.224426 %50 %
52Variations in TITLE Attributes   Relevancy-0.229746 %100 %
53Exact Matches in Top 30KB   Relevancy-0.221117 %100 %
54Uses JSON-LD telePhone   Other-0.221117 %100 %
55Uses JSON-LD url   Other-0.221157 %100 %
56Meta Description Length   Size-0.2112912269 %100 %
57Number of P Tags   Size-0.21363688 %50 %
58Uses JSON-LD maxValue   Other-0.21112 %50 %
59Uses JSON-LD minValue   Other-0.21112 %50 %
60Uses Schema maxvalue   Other-0.21112 %50 %
61Uses Schema minvalue   Other-0.21112 %50 %
62Leading Variations in H1-H6 Tags   Relevancy-0.213256 %100 %
63Has JSON-LD Schema Markup   Relevancy-0.211162 %100 %
64Entities in H1 Tags-0.213262 %100 %
65Number of Twitter Accounts   Authority-0.2118 %50 %
66Percentage of DoFollow Links   Authority-0.2909088 %50 %
67Number of Sentences   Size-0.2919189 %50 %
68Uses JSON-LD addressCountry   Other-0.21112 %100 %
69Uses JSON-LD areaServed   Other-0.2114 %50 %
70Uses JSON-LD BlogPosting   Other-0.2117 %50 %
71Uses JSON-LD dateModified   Other-0.21139 %100 %
72Uses JSON-LD GeoCoordinates   Other-0.2116 %100 %
73LSI Words in H4 Tags   Relevancy-0.2121250 %50 %
74Uses Schema addresscountry   Other-0.21112 %100 %
75Uses Schema blogposting   Other-0.2117 %50 %
76Uses Schema geocoordinates   Other-0.2116 %100 %
77Variations in H1 and H2 Tags   Relevancy-0.25469 %100 %
78Exact Matches in Title Tag   Relevancy-0.21120 %100 %
79TF/IDF   Relevancy-0.21168 %100 %
80Number of Distinct Entities Used   Diversity-0.2292589 %100 %
81Has RSS Link   Authority-0.21140 %100 %
82Uses JSON-LD addressRegion   Other-0.21112 %100 %
83Uses Schema datemodified   Other-0.21140 %100 %
84Uses Schema url   Other-0.21158 %100 %
85Search Result Domain Length   Size-0.19212090 %100 %
86Search Result Domain is .com   Other-0.19112 %50 %
87Search Result Domain is .com, .net, or .org   Other-0.19112 %50 %
88Search Result Host Length   Size-0.19212090 %100 %
89Variations in Absolute URLs   Relevancy-0.19967075 %100 %
90Variations in H2 Tags   Relevancy-0.194456 %100 %
91Variations in H3 Tags   Relevancy-0.193346 %50 %
92Variations in H4-H6 Tags   Relevancy-0.192236 %50 %
93Variations in H6 Tags   Relevancy-0.19115 %50 %
94Has HREF Lang   Technology-0.19115 %50 %
95Number of Facebook Accounts   Authority-0.191139 %50 %
96Number of HREF Lang Tags   Size-0.19225 %50 %
97Variations in Pre Tags   Relevancy-0.19112 %50 %
98Word Count in Meta Description   Size-0.19201969 %100 %
99Number Of JSON-LD Types   Relevancy-0.19131263 %100 %
100Number of H4 Tags   Size-0.194453 %50 %
101Variations in Template Tags   Relevancy-0.19112 %50 %
102Number of HTML Tags   Size-0.1989889390 %50 %
103Uses JSON-LD availableLanguage   Other-0.19115 %50 %
104Uses JSON-LD PostalAddress   Other-0.191114 %100 %
105Uses JSON-LD ratingCount   Other-0.19112 %50 %
106Uses JSON-LD thumbnailUrl   Other-0.191125 %50 %
107LSI Words in H1 Tags   Relevancy-0.196567 %100 %
108LSI Words in H3 Tags   Relevancy-0.19272763 %50 %
109Uses Microdata WebSite   Other-0.19112 %50 %
110Uses Schema availablelanguage   Other-0.19115 %50 %
111Uses Schema description   Other-0.191157 %100 %
112Uses Schema ratingcount   Other-0.19112 %50 %
113Uses Schema thumbnailurl   Other-0.191125 %50 %
114Variations in H1, H2, and H3 Tags   Relevancy-0.198672 %100 %
115Variations in OpenGraph Description   Relevancy-0.192262 %100 %
116Variations in P Tags   Relevancy-0.19413280 %100 %
117Uses JSON-LD name   Other-0.191163 %100 %
118Uses JSON-LD WebSite   Other-0.191150 %100 %
119Uses Schema telephone   Other-0.191120 %100 %
120Uses Schema website   Other-0.191150 %100 %
121Has Wordpress Generator Tag   Technology-0.181133 %100 %
122Uses JSON-LD Article   Other-0.18114 %50 %
123Uses JSON-LD datePublished   Other-0.181142 %100 %
124Uses JSON-LD ExerciseGym   Other-0.18112 %50 %
125Uses JSON-LD postalCode   Other-0.181112 %100 %
126Uses JSON-LD Service   Other-0.18114 %50 %
127Uses JSON-LD streetAddress   Other-0.181112 %100 %
128Number of Unique LSI Words Used   Diversity-0.1827318087 %100 %
129Uses Schema article   Other-0.18114 %50 %
130Uses Schema exercisegym   Other-0.18112 %50 %
131Variations in Body Tags   Relevancy-0.1825120587 %100 %
132Variations in H1-H6 Tags   Relevancy-0.1810873 %100 %
133Variations in HTML Tags   Relevancy-0.1825120587 %100 %
134Number Of Claimed Brands   Other-0.184333 %100 %
135Has Canonical URL   Authority-0.181180 %100 %
136Variations in Sentences   Relevancy-0.18513883 %100 %
137Variation Density in Top 30KB   Relevancy-0.183277 %100 %
138Uses JSON-LD addressLocality   Other-0.181113 %100 %
139Uses JSON-LD inLanguage   Other-0.181143 %100 %
140Uses Schema inlanguage   Other-0.181143 %100 %
141Clean Text Kilobytes   Size-0.17121288 %50 %
142Variations in H4 Tags   Relevancy-0.172228 %50 %
143Has XMLRPC   Technology-0.171143 %100 %
144Variations in the Title Tag   Relevancy-0.172279 %100 %
145Word Count   Size-0.171439144089 %50 %
146Unabridged Word Count   Size-0.171689168989 %50 %
147Number of H3 Tags   Size-0.178865 %50 %
148Uses JSON-LD item   Other-0.171133 %100 %
149Uses Microdata text   Other-0.17119 %50 %
150Uses Schema datepublished   Other-0.171143 %100 %
151Variations in Span Tags   Relevancy-0.179670 %100 %
152Term Frequency   Relevancy-0.173387 %100 %
153Variations in Div Tags   Relevancy-0.1715111882 %100 %
154Uses JSON-LD closes   Other-0.17115 %100 %
155Uses JSON-LD OpeningHoursSpecification   Other-0.17115 %100 %
156Uses JSON-LD opens   Other-0.17115 %100 %
157Uses Schema closes   Other-0.17115 %100 %
158Uses Schema openinghoursspecification   Other-0.17115 %100 %
159Uses Schema opens   Other-0.17115 %100 %
160Leading Variations in H2 Tags   Relevancy-0.172228 %100 %
161Entities in H2 Tags-0.179666 %100 %
162Has Entities in H2 Tags   Relevancy-0.171166 %100 %
163Meta Description Tag Has Question   Other-0.17119 %100 %
164Has Schema Markup   Relevancy-0.171172 %100 %
165Is WordPress Website   Technology-0.171130 %100 %
166Uses Schema item   Other-0.171135 %100 %
167Variations in Distinct A Tag HREF Attributes   Relevancy-0.16322474 %100 %
168Leading Variations in H3 Tags   Relevancy-0.161131 %50 %
169Is OpenGraph Type Article   Technology-0.161147 %100 %
170Variations in OpenGraph Title   Relevancy-0.162264 %100 %
171Exact Matches in Sentences   Relevancy-0.164334 %50 %
172Uses JSON-LD alternateName   Other-0.161112 %50 %
173Uses JSON-LD articleSection   Other-0.16114 %50 %
174Uses JSON-LD height   Other-0.161110 %50 %
175Uses JSON-LD nextItem   Other-0.16111 %50 %
176Uses JSON-LD previousItem   Other-0.16111 %50 %
177Uses JSON-LD width   Other-0.161110 %50 %
178Uses Schema alternatename   Other-0.161112 %50 %
179Uses Schema articlesection   Other-0.16114 %50 %
180Uses Schema height   Other-0.161110 %50 %
181Uses Schema nextitem   Other-0.16111 %50 %
182Uses Schema previousitem   Other-0.16111 %50 %
183Uses Schema width   Other-0.161110 %50 %
184Variations in A Tag HREF Attributes   Relevancy-0.16785674 %100 %
185Variations in B Tags   Relevancy-0.163211 %100 %
186Has Meta Description   Relevancy-0.161170 %100 %
187Variations in Nav Tags   Relevancy-0.16704566 %100 %
188Variation Count in Top 30KB   Relevancy-0.16191876 %100 %
189Uses JSON-LD ImageObject   Other-0.161141 %100 %
190Uses Schema addressregion   Other-0.161115 %100 %
191Uses Schema postaladdress   Other-0.161117 %100 %
192Variations in First 100 Words   Relevancy-0.15141285 %100 %
193Variations in H1 Tags   Relevancy-0.151156 %100 %
194Number of Email Addresses   Trust-0.159753 %100 %
195Percentage of NoFollow Internal Links   Authority-0.15119 %50 %
196Variations in Form Tags   Relevancy-0.151111 %100 %
197Variations in Strong Tags   Relevancy-0.153232 %100 %
198Variations in Aside Tags   Relevancy-0.155414 %100 %
199Entities in the HTML Tag   Relevancy-0.1517113287 %100 %
200Entities in H5 Tags-0.151119 %50 %