Measures 130692 SEO Factors

128970 Built-In SEO Factors

121075 On-page SEO Factors

7895 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 ( 53293 )
Relevancy SEO Factors ( 52267 )
Other SEO Factors ( 23041 )
Local SEO Factors ( 7748 )
Technology SEO Factors ( 1599 )
Authority SEO Factors ( 163 )
Pay Per Click SEO Factors ( 29 )
Trust SEO Factors ( 15 )
Diversity SEO Factors ( 15 )
Easy SEO Factors ( 3 )
Performance SEO Factors ( 1 )

SEO Factor Type

Size SEO Factors ( 53289 )
Keywords SEO Factors ( 40402 )
Schema SEO Factors ( 22987 )
LSI SEO Factors ( 8375 )
Local SEO Factors ( 7749 )
Entities SEO Factors ( 3468 )
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 2024-6     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-0.26753386 %90 %
2Number of Unique LSI Words Used   Diversity-0.26137029889 %72 %
3Search Result Domain is .com, .net, or .org   Other-0.23114 %70 %
4Entities in the HTML Tag   Relevancy-0.2370316183 %90 %
5Entities in Sentences   Relevancy-0.2369415581 %90 %
6Number of Unique Variations Used   Diversity-0.22391087 %84 %
7Search Result Domain is .com   Other-0.22114 %72 %
8Variations in Body Tags   Relevancy-0.216231635387 %88 %
9Variations in HTML Tags   Relevancy-0.216231635287 %89 %
10Number of Top 100 Shared Factors Used   Diversity-0.21403199 %92 %
11Number of Top 200 Shared Factors Used   Diversity-0.21534199 %92 %
12Number of Referring Domains   Authority-0.2184636953 %81 %
13Variations in P Tags   Relevancy-0.2147944777 %86 %
14Variations in Div Tags   Relevancy-0.211803516984 %88 %
15Load Time Milliseconds   Performance-0.235106164090 %89 %
16Variations in Sentences   Relevancy-0.241045482 %88 %
17Number of Factors Used   Diversity-0.259820499 %89 %
18Number of Top 50 Shared Factors Used   Diversity-0.2171398 %86 %
19Entities in H2 Tags-0.234860 %87 %
20Variations in H1-H6 Tags   Relevancy-0.21851078 %85 %
21Number of Backlinks   Authority-0.2561984417553 %82 %
22Entities in Title Tag   Relevancy-0.27377 %85 %
23Variations in H1, H2, and H3 Tags   Relevancy-0.2145877 %85 %
24Entities in H3 Tags-0.1929749 %87 %
25Number of Do Follow Backlinks   Authority-0.19539161363045 %81 %
26Variations in H1 and H2 Tags   Relevancy-0.1989575 %84 %
27Number of No Follow Backlinks   Authority-0.1910640151344 %80 %
28Variations in A Tags   Relevancy-0.1929853377 %85 %
29LSI Words in Sentences   Relevancy-0.19447471871 %90 %
30Variations in LI Tags   Relevancy-0.196822976 %85 %
31Unabridged Word Count   Size-0.1819698190390 %83 %
32Word Count   Size-0.189787151690 %83 %
33Clean Text Kilobytes   Size-0.181051385 %89 %
34Term Frequency   Relevancy-0.186386 %86 %
35Number of HTML Tags   Size-0.184734103390 %83 %
36Variations in H2 Tags   Relevancy-0.1866455 %83 %
37Leading Variations in H1-H6 Tags   Relevancy-0.1822255 %82 %
38Number of Includes   Technology-0.18522585 %72 %
39Variations in Distinct A Tag HREF Attributes   Relevancy-0.1811033875 %86 %
40Variations in A Tag HREF Attributes   Relevancy-0.1816045975 %85 %
41Leading Variations in H1, H2, and H3 Tags   Relevancy-0.1815252 %82 %
42Number of Sentences   Size-0.1883711889 %84 %
43Variations in Search Result URL Path   Relevancy-0.1710264 %79 %
44Variations in Search Result Document File Name   Relevancy-0.178262 %77 %
45Entities in H1 Tags-0.177265 %79 %
46Number of P Tags   Size-0.172054084 %81 %
47Variations in ALT Attributes   Relevancy-0.171751056 %81 %
48Variations in Script Tags   Relevancy-0.172191010272 %85 %
49Exact Matches in the HTML Tag   Relevancy-0.174791135 %82 %
50Clean Keyword Density in the HTML Tag   Relevancy-0.17185581 %76 %
51Number of Facebook Pages   Authority-0.1710265 %75 %
52Variations in the Title Tag   Relevancy-0.1714279 %74 %
53Number of Questions   Size-0.17821071 %87 %
54Has JSON-LD Schema Markup   Relevancy-0.171158 %73 %
55Number of Heading Tags   Size-0.16812285 %81 %
56Variations in Search Result Display URL   Relevancy-0.164290 %73 %
57Variations in Absolute URLs   Relevancy-0.1654818376 %88 %
58Number of Images   Size-0.163813285 %80 %
59Number of HTTPS Links   Authority-0.1675314687 %86 %
60Variations in Search Result Link Text   Relevancy-0.164290 %68 %
61Variations in the Canonical URL   Relevancy-0.1642265 %82 %
62Number of Links   Authority-0.1675414887 %80 %
63Entities in Meta Description Tag   Relevancy-0.1611464 %78 %
64Variations in First 100 Words   Relevancy-0.161831079 %80 %
65Number of DoFollow Links   Authority-0.1673814487 %85 %
66Variation Density in Top 30KB   Relevancy-0.16304375 %83 %
67Variations in Main Tags   Relevancy-0.1677838940 %83 %
68Number of Internal Links   Authority-0.1646613287 %85 %
69Number of Images with ALT Text   Size-0.163722180 %86 %
70Variations in Span Tags   Relevancy-0.163291360 %83 %
71Variations in H3 Tags   Relevancy-0.1677441 %82 %
72Variations in H1 Tags   Relevancy-0.1624268 %74 %
73LSI Words in Title Tag   Relevancy-0.1614671 %87 %
74Number of H2 Tags   Size-0.1628775 %80 %
75Variations in Search Result URL   Relevancy-0.1618273 %74 %
76Variations in Meta Description   Relevancy-0.1635264 %76 %
77Number of CSS Includes   Technology-0.1622977 %71 %
78Page Size Kilobytes   Size-0.1571425790 %86 %
79LSI Words in H2 Tags   Relevancy-0.151192058 %88 %
80Variations in Nav Tags   Relevancy-0.1535073354 %81 %
81Exact Matches in H1-H6 Tags   Relevancy-0.1512123 %79 %
82Number of H3 Tags   Size-0.1544866 %80 %
83Variations in OpenGraph Description   Relevancy-0.1539258 %75 %
84Number of Instagram Pages   Authority-0.1540246 %77 %
85Leading Variations in H2 Tags   Relevancy-0.156127 %84 %
86Number of Absolute URLs   Authority-0.15105426389 %85 %
87Number of Questions In Headings   Size-0.159239 %82 %
88Number Of JSON-LD Types   Relevancy-0.15751362 %82 %
89Leading Variations in H1 Tags   Relevancy-0.152134 %76 %
90Has Entities in H2 Tags   Relevancy-0.151160 %77 %
91Leading Variations in Title Tag   Relevancy-0.151138 %70 %
92Number of External Links   Authority-0.155411783 %82 %
93Variations in OpenGraph Title   Relevancy-0.1510264 %70 %
94Variation Count in Top 30KB   Relevancy-0.1555313477 %80 %
95Entities in H4 Tags-0.1521325 %81 %
96Variations in Footer Tags   Relevancy-0.1533681242 %79 %
97Number of DoFollow External Links   Authority-0.145361582 %81 %
98Exact Matches in Sentences   Relevancy-0.1472324 %82 %
99Has Entities in H1 Tags   Relevancy-0.141166 %74 %
100Has Entities in H3 Tags   Relevancy-0.141150 %78 %
101TF/IDF   Relevancy-0.141173 %78 %
102LSI Words in H1 Tags   Relevancy-0.1420561 %85 %
103Variations in Section Tags   Relevancy-0.1413282642 %79 %
104LSI Words in H3 Tags   Relevancy-0.141241951 %87 %
105Number of Facebook Accounts   Authority-0.144134 %74 %
106Uses Schema searchresultspage   Other-0.14112 %18 %
107Number of JavaScript Includes   Technology-0.14401786 %73 %
108Variations in Strong Tags   Relevancy-0.1469334 %77 %
109Variations in Button Tags   Relevancy-0.14391210 %76 %
110Variations in ID Attributes   Relevancy-0.14403217 %78 %
111Variations making whole H1-H6 Tags   Relevancy-0.143119 %71 %
112Variations in TITLE Attributes   Relevancy-0.1471845 %79 %
113Search Result Number of Dirs in Path   Other-0.144281 %72 %
114Variations Making Whole LI Tags   Relevancy-0.146132 %71 %
115Variations Making Whole Span Tags   Relevancy-0.13168125 %77 %
116Percentage of DoFollow Internal Links   Authority-0.13957686 %81 %
117Exact Matches in Top 30KB   Relevancy-0.1322221 %77 %
118LSI Words in Meta Description Tag   Relevancy-0.13471056 %82 %
119Number of Twitter Accounts   Authority-0.1310137 %74 %
120Number of LinkedIn Pages   Authority-0.133131 %74 %
121Variations making whole H1, H2, and H3 Tags   Relevancy-0.133117 %72 %
122Leading Variations in H3 Tags   Relevancy-0.138119 %80 %
123Headings Has Question   Other-0.131139 %76 %
124Number of Prices   Size-0.137695772 %79 %
125Inline JavaScript Kilobytes   Size-0.133347887 %81 %
126Title Tag Has Entities   Relevancy-0.131178 %77 %
127Variations making whole A Tags   Relevancy-0.1321237 %71 %
128Flesch Kincaid Reading Grade Level   Other-0.137396 %82 %
129Number of Questions In H3 Tags   Size-0.135117 %78 %
130Uses JSON-LD SearchResultsPage   Other-0.13112 %18 %
131Inline CSS Kilobytes   Size-0.131735768 %79 %
132Number of US Phone Numbers   Trust-0.139151042 %78 %
133Number of Social Pages   Authority-0.1344471 %75 %
134Number of Questions In H2 Tags   Size-0.135124 %78 %
135Variations in the last 100 words   Relevancy-0.13188561 %75 %
136Has Privacy Policy   Trust-0.131162 %78 %
137Number of HTML Comments   Size-0.134033976 %75 %
138Exact Matches in Title Tag   Relevancy-0.132120 %74 %
139Variations in I Tags   Relevancy-0.13244630 %71 %
140Variations in Article Tags   Relevancy-0.131452029 %70 %
141Number of Social Accounts   Authority-0.1327254 %78 %
142Percentage of DoFollow Links   Authority-0.131008787 %82 %
143Number of Nofollow Links   Authority-0.1368529 %76 %
144Number of H1 Tags   Size-0.1311278 %72 %
145Number of Forms   Technology-0.1320362 %69 %
146Meta Description Tag Has Entities   Relevancy-0.131164 %69 %
147Number of Images without ALT Text   Size-0.13981165 %79 %
148Variations in H4-H6 Tags   Relevancy-0.1340224 %74 %
149Variations in Style Tags   Relevancy-0.12157902018 %74 %
150Variations in Class Attributes   Relevancy-0.1246461330 %75 %
151Uses Schema aggregaterating   Other-0.121110 %55 %
152Has Meta Charset   Technology-0.121180 %70 %
153Uses Schema name   Other-0.121165 %65 %
154Has FavIcon   Technology-0.121179 %74 %
155Average Words Per Sentence   Size-0.122233886 %74 %
156Uses JSON-LD name   Other-0.121158 %69 %
157Variations in H4 Tags   Relevancy-0.128218 %73 %
158Meta Description Length   Size-0.1246712471 %73 %
159Number of H4 Tags   Size-0.1219442 %71 %
160Is Pagination Page   Other-0.121119 %66 %
161Uses JSON-LD AggregateRating   Other-0.12118 %60 %
162Word Count in Meta Description   Size-0.12782071 %69 %
163Variations making whole H1 Tags   Relevancy-0.121110 %68 %
164Uses Schema url   Other-0.121160 %61 %
165Uses Schema answer   Other-0.12118 %59 %
166Uses Schema question   Other-0.12118 %59 %
167Exact Matches in H1 Tags   Relevancy-0.122116 %73 %
168Has Canonical URL   Authority-0.121178 %74 %
169Exact Matches in H2 Tags   Relevancy-0.127112 %79 %
170Uses JSON-LD url-0.121150 %66 %
171Is Home Page   Other-0.121114 %45 %
172Search Result Uses HTTPS   Other-0.121189 %80 %
173Has Meta Viewport   Technology-0.121187 %74 %
174Number of Email Addresses   Trust-0.12102445 %75 %
175Title Word Count   Size-0.1215889 %70 %
176Uses Schema faqpage   Other-0.12117 %59 %
177Has US Phone Number   Trust-0.121142 %65 %
178Has Meta Description   Relevancy-0.121171 %64 %
179Uses JSON-LD ItemList   Other-0.12113 %44 %
180Variations in Figure Tags   Relevancy-0.12630814 %70 %
181Has Schema Markup   Relevancy-0.121170 %71 %
182Has Terms of Service   Trust-0.121141 %70 %
183Uses Schema country   Other-0.12112 %17 %
184Is Category Page   Other-0.121113 %66 %
185Number of HREF Lang Tags   Size-0.1226210 %74 %
186Uses Schema itemlist   Other-0.12114 %42 %
187Number of NoFollow External Links   Authority-0.1225219 %75 %
188Exact Matches in A Tags   Relevancy-0.1236217 %78 %
189Has Google Analytics   Technology-0.12119 %65 %
190Has Entities in H4 Tags   Relevancy-0.121127 %70 %
191Uses JSON-LD State   Other-0.12113 %13 %
192Title Has Sentiment Words   Other-0.121121 %65 %
193Variations in Value Attributes   Relevancy-0.1256216 %69 %
194Uses JSON-LD Answer   Other-0.12117 %59 %
195Variations in Meta Twitter Description   Relevancy-0.1219125 %67 %
196Number Of Claimed Brands   Other-0.1227225 %70 %
197Uses Schema state   Other-0.12113 %13 %
198Percentage of DoFollow External Links   Authority-0.12321280 %68 %
199Uses Schema listitem   Other-0.121144 %60 %
200Uses JSON-LD Question   Other-0.12117 %59 %