Measures 134595 SEO Factors

132873 Built-In SEO Factors

124555 On-page SEO Factors

8318 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

SEO Factor Class

Size SEO Factors ( 53610 )
Relevancy SEO Factors ( 52610 )
Other SEO Factors ( 25204 )
Local SEO Factors ( 8139 )
Technology SEO Factors ( 1599 )
Authority SEO Factors ( 163 )
Pay Per Click SEO Factors ( 29 )
Diversity SEO Factors ( 15 )
Trust SEO Factors ( 15 )
Easy SEO Factors ( 3 )
Performance SEO Factors ( 1 )

SEO Factor Type

Size SEO Factors ( 53606 )
Keywords SEO Factors ( 40713 )
Schema SEO Factors ( 25150 )
LSI SEO Factors ( 8397 )
Local SEO Factors ( 8140 )
Entities SEO Factors ( 3478 )
Other SEO Factors ( 1705 )
Backlinks SEO Factors ( 72 )
Social SEO Factors ( 58 )
Page Links SEO Factors ( 29 )
Structure SEO Factors ( 23 )
Meta SEO Factors ( 14 )
On Page SEO Factors ( 3 )
These counts reflect SEO factors with generated docs.
Not all SEO factors have that yet.

Compare Top SEO Factors By Month


Compare Months Before and After Helpful Content Update ( note the factors that exited at the bottom )
Data Documentation - As seen on Digitaleer.com

TOP SEO Factors for 2024-11     previous

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

NameCorrelation#1 MaxPage 1 AvgUsage %Searches %
1Search Result Domain is .com, .net, or .org   Other-0.25115 %70 %
2Search Result Domain is .com   Other-0.24115 %73 %
3Number of Unique LSI Words Used   Diversity-0.2488023884 %83 %
4Load Time Milliseconds   Performance-0.237569160386 %91 %
5Number of Distinct Entities Used   Diversity-0.231102880 %93 %
6Number of Top 100 Shared Factors Used   Diversity-0.21403097 %90 %
7Number of Top 200 Shared Factors Used   Diversity-0.21534097 %91 %
8Number of Unique Variations Used   Diversity-0.250882 %90 %
9Variations in Body Tags   Relevancy-0.28317482280 %90 %
10Variations in HTML Tags   Relevancy-0.28317480879 %92 %
11Entities in the HTML Tag   Relevancy-0.252913075 %95 %
12Entities in Sentences   Relevancy-0.252512671 %95 %
13Variations in H1, H2, and H3 Tags   Relevancy-0.2112868 %88 %
14Variations in H1-H6 Tags   Relevancy-0.2152968 %87 %
15Entities in Title Tag   Relevancy-0.196370 %87 %
16Number of Referring Domains   Authority-0.197723945 %85 %
17Variations in Div Tags   Relevancy-0.192708729976 %92 %
18Number of Top 50 Shared Factors Used   Diversity-0.19161396 %89 %
19Number of Backlinks   Authority-0.19338213292544 %84 %
20Variations in LI Tags   Relevancy-0.199022968 %89 %
21Variations in H1 and H2 Tags   Relevancy-0.1959566 %87 %
22Variations in P Tags   Relevancy-0.1915664368 %89 %
23Number of No Follow Backlinks   Authority-0.184695652037 %81 %
24Entities in H2 Tags-0.1831751 %91 %
25Number of Factors Used   Diversity-0.1858018597 %89 %
26Variations in Sentences   Relevancy-0.1823125372 %90 %
27Variations in A Tags   Relevancy-0.1822844169 %86 %
28Number of HTML Tags   Size-0.183672104186 %85 %
29Entities in H3 Tags-0.1848640 %89 %
30Term Frequency   Relevancy-0.186379 %86 %
31LSI Words in Sentences   Relevancy-0.18289662968 %95 %
32Number of Do Follow Backlinks   Authority-0.18321297286737 %81 %
33Leading Variations in H1, H2, and H3 Tags   Relevancy-0.1714246 %83 %
34Variations in Search Result Document File Name   Relevancy-0.176251 %75 %
35Variations in Search Result Display URL   Relevancy-0.1710287 %82 %
36Variations in A Tag HREF Attributes   Relevancy-0.1711335264 %89 %
37Variations in Search Result Link Text   Relevancy-0.1710287 %81 %
38Unabridged Word Count   Size-0.1741565192485 %87 %
39Number of Includes   Technology-0.17562482 %79 %
40Word Count   Size-0.179268141185 %87 %
41Leading Variations in H1-H6 Tags   Relevancy-0.1718248 %83 %
42Variations in H2 Tags   Relevancy-0.1746446 %88 %
43Number of Heading Tags   Size-0.17531977 %84 %
44Variations in Distinct A Tag HREF Attributes   Relevancy-0.171493264 %88 %
45Clean Text Kilobytes   Size-0.172201378 %88 %
46Number of Images   Size-0.171193179 %86 %
47Clean Keyword Density in the HTML Tag   Relevancy-0.17175675 %78 %
48Entities in H1 Tags-0.175256 %86 %
49Variations in Search Result URL Path   Relevancy-0.168253 %75 %
50Variations in the Title Tag   Relevancy-0.1611270 %80 %
51Variations in Absolute URLs   Relevancy-0.16688513466 %85 %
52Variations in Script Tags   Relevancy-0.162598727264 %82 %
53Variations in Meta Description   Relevancy-0.1639256 %81 %
54Number of H2 Tags   Size-0.1615767 %85 %
55Number of Images with ALT Text   Size-0.16832073 %84 %
56Number of Sentences   Size-0.1652510983 %85 %
57Variations in Span Tags   Relevancy-0.164961454 %87 %
58LSI Words in H2 Tags   Relevancy-0.16871654 %92 %
59Variations in Nav Tags   Relevancy-0.1626554245 %83 %
60Variations in OpenGraph Description   Relevancy-0.1634249 %72 %
61Variations in Search Result URL   Relevancy-0.1617263 %72 %
62Number of DoFollow Links   Authority-0.1649914682 %85 %
63Number of Links   Authority-0.1550215082 %83 %
64Number of HTTPS Links   Authority-0.1550114782 %85 %
65Number of P Tags   Size-0.151053276 %82 %
66Page Size Kilobytes   Size-0.1594627786 %84 %
67Variations in H3 Tags   Relevancy-0.1554333 %84 %
68Number of Facebook Pages   Authority-0.156258 %74 %
69Variations in ALT Attributes   Relevancy-0.15100949 %83 %
70Number of CSS Includes   Technology-0.1525973 %70 %
71Entities in Meta Description Tag   Relevancy-0.158356 %87 %
72Number of Internal Links   Authority-0.1542313482 %86 %
73Variations in OpenGraph Title   Relevancy-0.157255 %72 %
74Number of H3 Tags   Size-0.1520758 %81 %
75Variations in H1 Tags   Relevancy-0.1513258 %79 %
76LSI Words in Title Tag   Relevancy-0.1512568 %87 %
77Has JSON-LD Schema Markup   Relevancy-0.151152 %73 %
78Number of Absolute URLs   Authority-0.15317628285 %85 %
79Variations in First 100 Words   Relevancy-0.151821070 %80 %
80Number of Questions   Size-0.1579962 %84 %
81Variation Density in Top 30KB   Relevancy-0.15278668 %82 %
82Leading Variations in H1 Tags   Relevancy-0.152131 %78 %
83Leading Variations in Title Tag   Relevancy-0.151135 %75 %
84Variations in Main Tags   Relevancy-0.151263115935 %80 %
85Inline CSS Kilobytes   Size-0.151285563 %82 %
86Number Of JSON-LD Types   Relevancy-0.15431355 %74 %
87Exact Matches in the HTML Tag   Relevancy-0.154921427 %83 %
88Number of HTML Comments   Size-0.141594274 %82 %
89Has Entities in H1 Tags   Relevancy-0.141156 %78 %
90Leading Variations in H2 Tags   Relevancy-0.146123 %79 %
91Variations in the Canonical URL   Relevancy-0.145255 %81 %
92Number of Questions In Headings   Size-0.146230 %80 %
93LSI Words in Meta Description Tag   Relevancy-0.14311054 %87 %
94Has Entities in H2 Tags   Relevancy-0.141151 %83 %
95Inline JavaScript Kilobytes   Size-0.148159981 %79 %
96Entities in H4 Tags-0.1412220 %82 %
97Variations Making Whole Span Tags   Relevancy-0.145121 %79 %
98Variations in Section Tags   Relevancy-0.145282237 %80 %
99Number of JavaScript Includes   Technology-0.14341682 %79 %
100Number of Images without ALT Text   Size-0.14621161 %81 %
101Variation Count in Top 30KB   Relevancy-0.1447467870 %79 %
102Number of Instagram Pages   Authority-0.1414240 %75 %
103Number of H1 Tags   Size-0.143270 %79 %
104Is Home Page   Other-0.141118 %50 %
105TF/IDF   Relevancy-0.141162 %77 %
106Variations in Meta Twitter Description   Relevancy-0.1422123 %70 %
107Number of External Links   Authority-0.141281676 %78 %
108LSI Words in H3 Tags   Relevancy-0.141131547 %88 %
109Uses Schema name   Other-0.141158 %70 %
110Number of Prices   Size-0.1416607069 %86 %
111Title Tag Has Entities   Relevancy-0.141170 %77 %
112Variations Making Whole LI Tags   Relevancy-0.144127 %79 %
113Variations in Footer Tags   Relevancy-0.1413811835 %82 %
114Number of DoFollow External Links   Authority-0.14781475 %80 %
115Variations in Meta Twitter Content   Relevancy-0.132125 %65 %
116Number of Forms   Technology-0.1313357 %74 %
117Has Entities in H3 Tags   Relevancy-0.131141 %79 %
118Uses JSON-LD name   Other-0.131151 %66 %
119Meta Description Length   Size-0.1327411765 %70 %
120Percentage of DoFollow Internal Links   Authority-0.13927381 %79 %
121Variations in Button Tags   Relevancy-0.13954610 %77 %
122Variations making whole H1, H2, and H3 Tags   Relevancy-0.131113 %75 %
123Uses Microdata priceRange   Other-0.13113 %12 %
124Number of Questions In H3 Tags   Size-0.133114 %73 %
125Percentage of DoFollow Links   Authority-0.13998482 %87 %
126Uses Microdata GeoCoordinates   Other-0.13113 %11 %
127Number of Facebook Accounts   Authority-0.133128 %75 %
128LSI Words in H1 Tags   Relevancy-0.1322457 %87 %
129Has Schema Markup   Relevancy-0.131163 %72 %
130Variations making whole H1-H6 Tags   Relevancy-0.131114 %76 %
131Word Count in Meta Description   Size-0.13461964 %70 %
132Leading Variations in H3 Tags   Relevancy-0.136115 %76 %
133Number of Twitter Accounts   Authority-0.135130 %71 %
134Variations in Value Attributes   Relevancy-0.1315214 %72 %
135Number of Nofollow Links   Authority-0.1374528 %72 %
136Uses JSON-LD itemListOrder   Other-0.13111 %12 %
137Exact Matches in H1-H6 Tags   Relevancy-0.1318119 %77 %
138Has Meta Twitter Title   Authority-0.131129 %55 %
139Uses Schema currenciesaccepted   Other-0.13113 %14 %
140Has Meta Twitter Description   Authority-0.131128 %58 %
141Uses JSON-LD ListItem   Other-0.131133 %53 %
142Uses JSON-LD price   Other-0.13115 %33 %
143Search Result Uses HTTPS   Other-0.131184 %81 %
144Variations in TITLE Attributes   Relevancy-0.13104939 %78 %
145Variations making whole A Tags   Relevancy-0.1319232 %78 %
146Title Word Count   Size-0.1311881 %61 %
147Variations in Style Tags   Relevancy-0.122327918116 %79 %
148Uses Microdata geo   Other-0.12113 %11 %
149Has OpenGraph Type   Relevancy-0.121158 %64 %
150Uses JSON-LD ItemList   Other-0.12113 %41 %
151Has Form   Technology-0.121155 %69 %
152Uses JSON-LD Review   Other-0.12115 %45 %
153Search Result Domain Length   Size-0.12241784 %66 %
154Uses Schema country   Other-0.12112 %22 %
155Number of Social Pages   Authority-0.1216564 %72 %
156Uses Schema listitem   Other-0.121138 %58 %
157Uses JSON-LD addressRegion   Other-0.121115 %60 %
158Variations in ID Attributes   Relevancy-0.12444513 %79 %
159Headings Has Question   Other-0.121130 %72 %
160Number of Social Accounts   Authority-0.127245 %72 %
161Search Result Host Length   Size-0.12241784 %65 %
162Uses Schema url   Other-0.121152 %64 %
163Uses JSON-LD BreadcrumbList   Other-0.121133 %55 %
164Title Length   Size-0.12745182 %61 %
165Has Canonical URL   Authority-0.121170 %70 %
166Uses Schema geo   Other-0.12113 %12 %
167Uses JSON-LD priceCurrency   Other-0.12116 %41 %
168Search Result Number of Dirs in Path   Other-0.124276 %73 %
169Uses JSON-LD PostalAddress   Other-0.121116 %63 %
170Uses JSON-LD reviewBody   Other-0.12114 %38 %
171Number of H4 Tags   Size-0.1213436 %72 %
172Has FavIcon   Technology-0.121174 %69 %
173Uses Schema itemlistorder   Other-0.12112 %13 %
174Variations in Class Attributes   Relevancy-0.1276266422 %79 %
175Flesch Kincaid Reading Grade Level   Other-0.127292 %81 %
176Meta Description Tag Has Entities   Relevancy-0.121155 %71 %
177Uses Schema addressregion   Other-0.121119 %60 %
178Uses JSON-LD Country   Other-0.12112 %21 %
179Uses Schema review   Other-0.12115 %46 %
180Variations in I Tags   Relevancy-0.12123625 %70 %
181Variations in Strong Tags   Relevancy-0.1214225 %71 %
182Variations in H4 Tags   Relevancy-0.1225113 %68 %
183Variations in H4-H6 Tags   Relevancy-0.1241217 %72 %
184Variations in the last 100 words   Relevancy-0.12180651 %77 %
185Uses JSON-LD addressLocality   Other-0.121115 %63 %
186Has Terms of Service   Trust-0.121139 %72 %
187Variations in Figure Tags   Relevancy-0.12346911 %74 %
188Uses JSON-LD url   Other-0.121142 %70 %
189Has Contact Page   Trust-0.121162 %65 %
190Has Meta Twitter Card   Authority-0.121148 %57 %
191Variations in Form Tags   Relevancy-0.124111 %70 %
192Has Google Verify   Technology-0.121122 %67 %
193Uses Schema breadcrumblist   Other-0.121138 %60 %
194Has Privacy Policy   Trust-0.121155 %71 %
195Has Meta Description   Relevancy-0.121164 %69 %
196Number of US Phone Numbers   Trust-0.1295943 %80 %
197Is Pagination Page   Other-0.121119 %58 %
198Percentage of NoFollow Links   Authority-0.1212325 %64 %
199Has Google Analytics   Technology-0.12118 %61 %
200Uses JSON-LD Offer   Other-0.12116 %46 %