Measures 151243 SEO Factors

149521 Built-In SEO Factors

140306 On-page SEO Factors

9215 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 2026-07     previous

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

NameCorrelation#1 MaxPage 1 AvgUsage %Searches %
1Uses JSON-LD applicableCountry   Other-0.251110 %13 %
2Uses Schema applicablecountry   Other-0.251110 %13 %
3Uses Microdata description   Other-0.22117 %13 %
4Number of Unique LSI Words Used   Diversity-0.2165624080 %88 %
5Is Purchase Page   Other-0.21140 %63 %
6Number of Do Follow Backlinks   Authority-0.24422108035 %88 %
7Number of Unique Variations Used   Diversity-0.26240 %50 %
8Uses JSON-LD MerchantReturnPolicy   Other-0.191113 %13 %
9Uses JSON-LD serviceType   Other-0.19111 %13 %
10Uses JSON-LD Thing   Other-0.19111 %13 %
11Uses JSON-LD unitText   Other-0.19114 %13 %
12Uses Schema merchantreturnpolicy   Other-0.191113 %13 %
13Uses Schema servicetype   Other-0.19111 %13 %
14Uses Schema unittext   Other-0.19114 %13 %
15Number of Referring Domains   Authority-0.1859713536 %100 %
16Uses JSON-LD SpeakableSpecification   Other-0.18113 %13 %
17Uses Schema speakablespecification   Other-0.18113 %13 %
18Uses JSON-LD interactionCount   Other-0.17111 %13 %
19Uses JSON-LD LocalBusiness-0.17113 %25 %
20Uses JSON-LD returnPolicyCategory   Other-0.171112 %13 %
21Uses Microdata HowTo   Other-0.17111 %13 %
22Uses Microdata HowToStep   Other-0.17111 %13 %
23Uses Microdata itemReviewed   Other-0.17111 %13 %
24Uses Microdata step   Other-0.17111 %13 %
25Uses Schema interactioncount   Other-0.17111 %13 %
26Uses Schema itemreviewed   Other-0.17111 %13 %
27Uses Schema localbusiness   Other-0.17115 %13 %
28Uses Schema returnpolicycategory   Other-0.171112 %13 %
29Uses Schema step   Other-0.17111 %13 %
30Number of Backlinks   Authority-0.1724966421036 %100 %
31LSI Words in Sentences   Relevancy-0.17248184476 %100 %
32Number of JavaScript Includes   Technology-0.16422377 %100 %
33Number of Images without ALT Text   Size-0.16301257 %75 %
34Search Result Number of Dirs in Path   Other-0.163268 %75 %
35Uses JSON-LD foundingDate   Other-0.16112 %13 %
36Uses JSON-LD SearchResultsPage   Other-0.16111 %13 %
37Uses JSON-LD title   Other-0.16111 %13 %
38Uses Microdata WPFooter   Other-0.16115 %38 %
39Uses Schema foundingdate   Other-0.16112 %13 %
40Uses Schema searchresultspage   Other-0.16111 %13 %
41Uses Schema title   Other-0.16111 %13 %
42Uses Schema wpfooter   Other-0.16115 %38 %
43Search Result Summary Length   Size-0.1615114885 %75 %
44Search Result Domain is .com, .net, or .org   Other-0.161118 %100 %
45Number of Meta Keywords   Relevancy-0.163280 %25 %
46Number of No Follow Backlinks   Authority-0.1621910287925 %100 %
47Number of Includes   Technology-0.15583180 %100 %
48Number of Prices   Size-0.1560318760 %88 %
49Uses JSON-LD encodingFormat   Other-0.15111 %38 %
50Uses JSON-LD gtin13   Other-0.15111 %13 %
51Uses JSON-LD merchantReturnLink   Other-0.15116 %13 %
52Uses JSON-LD NGO   Other-0.15111 %13 %
53Uses JSON-LD streetAddress   Other-0.15115 %25 %
54Uses Microdata text   Other-0.15113 %50 %
55Uses Schema encodingformat   Other-0.15111 %38 %
56Uses Schema gtin13   Other-0.15111 %13 %
57Uses Schema merchantreturnlink   Other-0.15116 %13 %
58Uses Schema ngo   Other-0.15111 %13 %
59Uses Schema streetaddress   Other-0.15115 %25 %
60Number of Images   Size-0.15823474 %75 %
61Leading Variations in H1, H2, and H3 Tags   Relevancy-0.152132 %75 %
62LSI Words in Title Tag   Relevancy-0.157469 %75 %
63Search Result Domain is .com   Other-0.151118 %100 %
64Number of HTML Tags   Size-0.152259113985 %113 %
65Uses JSON-LD City   Other-0.15111 %25 %
66Uses Schema city   Other-0.15111 %25 %
67Number of Sentences   Size-0.1448917085 %88 %
68Variations in H1 Tags   Relevancy-0.142133 %75 %
69Leading Variations in H1-H6 Tags   Relevancy-0.142133 %75 %
70Uses Microdata CreativeWork   Other-0.14114 %38 %
71Variations in H1 and H2 Tags   Relevancy-0.144232 %63 %
72Has Meta Robots   Other-0.141120 %75 %
73Has Video   Technology-0.14115 %38 %
74Number of Forms   Technology-0.146350 %100 %
75Title Has Year   Other-0.14111 %88 %
76Uses JSON-LD acquireLicensePage   Other-0.14111 %13 %
77Uses JSON-LD alumniOf   Other-0.14111 %13 %
78Uses JSON-LD author   Other-0.14111 %25 %
79Uses JSON-LD contentRating   Other-0.14111 %13 %
80Uses JSON-LD license   Other-0.14111 %13 %
81Uses JSON-LD relatedLink   Other-0.14111 %13 %
82Uses Microdata acceptedAnswer   Other-0.14111 %13 %
83Uses Microdata Answer   Other-0.14111 %13 %
84Uses Microdata contentRating   Other-0.14111 %13 %
85Uses Microdata mainEntity   Other-0.14111 %13 %
86Uses Microdata name   Other-0.14119 %13 %
87Uses Microdata Question   Other-0.14111 %13 %
88Uses Microdata starRating   Other-0.14111 %13 %
89Uses Schema acceptedanswer   Other-0.14111 %13 %
90Uses Schema acquirelicensepage   Other-0.14111 %13 %
91Uses Schema alumniof   Other-0.14111 %13 %
92Uses Schema contentrating   Other-0.14111 %13 %
93Uses Schema license   Other-0.14111 %13 %
94Uses Schema starrating   Other-0.14111 %13 %
95Uses Schema thumbnailurl   Other-0.141112 %13 %
96Variations Making Whole LI Tags   Relevancy-0.143225 %63 %
97Page Size Kilobytes   Size-0.1485442688 %88 %
98Variations in ALT Attributes   Relevancy-0.14441131 %75 %
99Load Time Milliseconds   Performance-0.143734267484 %100 %
100Uses Schema openinghours   Other-0.14113 %50 %
101Number of Nofollow Links   Authority-0.1312522 %88 %
102Is Store Page   Other-0.131140 %50 %
103Variations in Script Tags   Relevancy-0.1348511148 %113 %
104Leading Variations in H1 Tags   Relevancy-0.131116 %75 %
105Term Frequency   Relevancy-0.134247 %88 %
106Number of Meta Generator Tags   Technology-0.131126 %50 %
107Uses JSON-LD contentSize   Other-0.13111 %13 %
108Uses JSON-LD postalCode   Other-0.13116 %25 %
109Uses JSON-LD SocialMediaPosting   Other-0.13111 %13 %
110Uses Microdata Article   Other-0.13113 %13 %
111Uses Microdata mainContentOfPage   Other-0.13111 %13 %
112Uses Schema contentsize   Other-0.13111 %13 %
113Uses Schema maincontentofpage   Other-0.13111 %13 %
114Uses Schema paymentaccepted   Other-0.13112 %25 %
115Uses Schema socialmediaposting   Other-0.13111 %13 %
116Number of LinkedIn Pages   Authority-0.132125 %63 %
117Percentage of NoFollow Links   Authority-0.134216 %63 %
118Number of Top 50 Shared Factors Used   Diversity-0.1314989 %100 %
119Uses JSON-LD openingHours   Other-0.13113 %50 %
120Number of Email Addresses   Trust-0.1311543 %88 %
121Variations in Search Result Display URL   Relevancy-0.132153 %75 %
122Variations in Search Result Link Text   Relevancy-0.132153 %75 %
123Uses Schema creativework   Other-0.13114 %38 %
124Number of Top 100 Shared Factors Used   Diversity-0.13332389 %100 %
125Uses JSON-LD dateCreated   Other-0.13113 %25 %
126Uses Schema datecreated   Other-0.13113 %25 %
127Number of Facebook Accounts   Authority-0.121118 %63 %
128Word Count   Size-0.125219169984 %100 %
129Meta Description Length   Size-0.1215712256 %38 %
130Number of Absolute URLs   Authority-0.1246026084 %113 %
131Has US Phone Number   Trust-0.121143 %88 %
132Variations in Body Tags   Relevancy-0.12134232663 %100 %
133Clean Text Kilobytes   Size-0.12561669 %100 %
134Has Meta Twitter Description   Authority-0.121137 %50 %
135Number of US Phone Numbers   Trust-0.122123439 %100 %
136LSI Words in H5 Tags   Relevancy-0.12217 %75 %
137Clean Keyword Density in the HTML Tag   Relevancy-0.126342 %63 %
138Number of Videos   Technology-0.12116 %50 %
139Variations in Main Tags   Relevancy-0.1286017436 %75 %
140Uses Microdata reviewBody   Other-0.12111 %25 %
141Search Result Has Params   Other-0.12114 %38 %
142Variations making whole A Tags   Relevancy-0.122120 %75 %
143Has Domain Phrase In Title   Trust-0.121120 %75 %
144Has Meta Twitter Site   Authority-0.121124 %88 %
145Uses JSON-LD AggregateOffer   Other-0.12111 %13 %
146Uses JSON-LD avatarUrl   Other-0.12111 %13 %
147Uses JSON-LD email   Other-0.12112 %13 %
148Uses JSON-LD gtin   Other-0.12115 %13 %
149Uses JSON-LD pattern   Other-0.12113 %13 %
150Uses JSON-LD type   Other-0.12111 %13 %
151Uses Microdata Blog   Other-0.12111 %13 %
152Uses RDFa count   Other-0.12114 %13 %
153Uses Schema aggregateoffer   Other-0.12111 %13 %
154Uses Schema avatarurl   Other-0.12111 %13 %
155Uses Schema blog   Other-0.12111 %13 %
156Uses Schema count   Other-0.12114 %13 %
157Uses Schema email   Other-0.12112 %13 %
158Uses Schema gtin   Other-0.12115 %13 %
159Uses Schema pattern   Other-0.12113 %13 %
160Uses Schema type   Other-0.12111 %13 %
161LSI Words in H2 Tags   Relevancy-0.12251356 %100 %
162Search Result Link Text Has Year   Other-0.12111 %75 %
163Number of Images with ALT Text   Size-0.12522469 %75 %
164Number of Questions   Size-0.12321659 %50 %
165Has HREF Lang   Technology-0.121114 %88 %
166Variations making whole H1-H6 Tags   Relevancy-0.121110 %75 %
167Uses Microdata SiteNavigationElement   Other-0.12114 %38 %
168Has Meta Twitter Title   Authority-0.121140 %63 %
169Number Of Claimed Brands   Other-0.122121 %63 %
170Number of Social Pages   Authority-0.1214754 %88 %
171Unabridged Word Count   Size-0.125970200584 %100 %
172Uses Microdata Review-0.12112 %25 %
173Is Category Page   Other-0.121131 %50 %
174Has Meta Keywords   Relevancy-0.121111 %25 %
175Uses Schema pricerange   Other-0.12112 %25 %
176Number of H5 Tags   Size-0.11119 %63 %
177Title Has Best   Other-0.11111 %38 %
178Number of NoFollow External Links   Authority-0.1112415 %88 %
179Variations in Meta Description   Relevancy-0.111116 %50 %
180Number of Top 200 Shared Factors Used   Diversity-0.11443289 %100 %
181Uses JSON-LD description   Other-0.111135 %50 %
182Uses JSON-LD target   Other-0.11115 %50 %
183Uses JSON-LD uploadDate   Other-0.11111 %50 %
184Variations making whole H1, H2, and H3 Tags   Relevancy-0.111110 %75 %
185Variations in H2 Tags   Relevancy-0.113226 %75 %
186Number of HREF Lang Tags   Size-0.117312 %100 %
187Has FavIcon   Technology-0.111167 %50 %
188Number of External Links   Authority-0.11311765 %75 %
189Uses JSON-LD applicationCategory   Other-0.111118 %13 %
190Uses JSON-LD color   Other-0.11117 %13 %
191Uses JSON-LD id   Other-0.11111 %13 %
192Uses JSON-LD itemCondition   Other-0.11117 %25 %
193Uses JSON-LD material   Other-0.11116 %13 %
194Uses JSON-LD productID   Other-0.11111 %25 %
195Uses JSON-LD ProfilePage   Other-0.11112 %25 %
196Uses Microdata articleBody   Other-0.11113 %25 %
197Uses Schema applicationcategory   Other-0.111118 %13 %
198Uses Schema color   Other-0.11117 %13 %
199Uses Schema id   Other-0.11111 %13 %
200Uses Schema material   Other-0.11116 %13 %