Measures 126193 SEO Factors

124471 Built-In SEO Factors

116865 On-page SEO Factors

7606 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 ( 52618 )
Relevancy SEO Factors ( 51178 )
Other SEO Factors ( 22003 )
Local SEO Factors ( 7473 )
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 ( 52614 )
Keywords SEO Factors ( 39565 )
Schema SEO Factors ( 21949 )
LSI SEO Factors ( 8196 )
Local SEO Factors ( 7474 )
Entities SEO Factors ( 3395 )
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 2022-11     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-0.272622684 %89 %
2Number of Unique LSI Words Used   Diversity-0.26139427389 %66 %
3Number of Top 100 Shared Factors Used   Diversity-0.26443198 %95 %
4Number of Referring Domains   Authority-0.26605812367 %40 %
5Number of Backlinks   Authority-0.2518527641801666 %39 %
6Number of Top 200 Shared Factors Used   Diversity-0.25584298 %94 %
7Variations in Body Tags   Relevancy-0.257862726388 %96 %
8Variations in HTML Tags   Relevancy-0.257862726588 %96 %
9Number of No Follow Backlinks   Authority-0.24116029169458 %39 %
10Number of Unique Variations Used   Diversity-0.24125889 %80 %
11Number of Top 50 Shared Factors Used   Diversity-0.24221398 %91 %
12Number of Do Follow Backlinks   Authority-0.2317412751652157 %39 %
13Number of Factors Used   Diversity-0.2331518798 %92 %
14Variations in Div Tags   Relevancy-0.223082513685 %95 %
15Variations in H1-H6 Tags   Relevancy-0.22454979 %94 %
16Variations in P Tags   Relevancy-0.2228043677 %94 %
17Variations in H1, H2, and H3 Tags   Relevancy-0.22414878 %94 %
18Variations in Sentences   Relevancy-0.224473880 %94 %
19Variations in Search Result Display URL   Relevancy-0.2221289 %78 %
20Variations in Search Result Link Text   Relevancy-0.2221289 %78 %
21Variations in A Tags   Relevancy-0.2248622878 %94 %
22Entities in the HTML Tag   Relevancy-0.22120512573 %98 %
23Entities in Sentences   Relevancy-0.2266310372 %98 %
24Variations in H1 and H2 Tags   Relevancy-0.2121575 %92 %
25Variations in LI Tags   Relevancy-0.2113762175 %93 %
26Entities in H2 Tags-0.2137652 %88 %
27Variation Position Variance-0.217199212485 %12 %
28Variations in Distinct A Tag HREF Attributes   Relevancy-0.217793276 %94 %
29Entities in Title Tag   Relevancy-0.212370 %85 %
30Variations in A Tag HREF Attributes   Relevancy-0.229514776 %95 %
31Variations in Search Result URL Path   Relevancy-0.25262 %80 %
32Term Frequency   Relevancy-0.26388 %93 %
33Unabridged Word Count   Size-0.221738177991 %91 %
34Variations in H2 Tags   Relevancy-0.219453 %92 %
35Word Count   Size-0.28086135191 %90 %
36Clean Text Kilobytes   Size-0.21111187 %91 %
37Entities in H3 Tags-0.260643 %88 %
38Number of Includes   Technology-0.19452083 %71 %
39Variations in the Title Tag   Relevancy-0.196279 %80 %
40Variation Density in Top 30KB   Relevancy-0.19401376 %85 %
41Average Variation Position-0.1912869472387 %12 %
42Search Result Domain is .com, .net, or .org   Other-0.19114 %69 %
43Leading Variations in H1-H6 Tags   Relevancy-0.1919254 %90 %
44Variations in Search Result URL   Relevancy-0.195269 %77 %
45Clean Keyword Density in the HTML Tag   Relevancy-0.19199582 %83 %
46Variations in ALT Attributes   Relevancy-0.19667955 %90 %
47Exact Matches in the HTML Tag   Relevancy-0.194821642 %88 %
48Variations in Script Tags   Relevancy-0.19104736469 %92 %
49Leading Variations in H1, H2, and H3 Tags   Relevancy-0.1916251 %90 %
50Number of HTML Tags   Size-0.19304996392 %90 %
51Load Time Milliseconds   Performance-0.1917431153392 %85 %
52Has JSON-LD Schema Markup   Relevancy-0.191152 %68 %
53LSI Words in Sentences   Relevancy-0.19283559268 %97 %
54Variations in Absolute URLs   Relevancy-0.1992926976 %92 %
55Variations in First 100 Words   Relevancy-0.19202979 %79 %
56Variations in Search Result Document File Name   Relevancy-0.198260 %75 %
57Number of Sentences   Size-0.186899890 %91 %
58Variations in the Canonical URL   Relevancy-0.1869262 %84 %
59Variations in Span Tags   Relevancy-0.184221160 %90 %
60Keywords in pages top 10 most used phrases-0.185260 %14 %
61Search Result Domain is .com   Other-0.18114 %69 %
62Number of P Tags   Size-0.185873785 %90 %
63Number of CSS Includes   Technology-0.1818877 %67 %
64Variations in H1 Tags   Relevancy-0.186266 %80 %
65Number of Heading Tags   Size-0.17602187 %89 %
66Number of Facebook Pages   Authority-0.178263 %77 %
67Exact Matches in H1-H6 Tags   Relevancy-0.1715230 %88 %
68Variations in H3 Tags   Relevancy-0.17317339 %90 %
69Variations in Main Tags   Relevancy-0.1762206435 %89 %
70Variations in Meta Description   Relevancy-0.1712261 %83 %
71Page Size Kilobytes   Size-0.1767920492 %87 %
72Variations in Nav Tags   Relevancy-0.1765242249 %90 %
73Number of HTTPS Links   Authority-0.1768014088 %86 %
74Number of Links   Authority-0.1768414489 %85 %
75Leading Variations in Title Tag   Relevancy-0.171139 %79 %
76Number of DoFollow Links   Authority-0.1766214089 %85 %
77Entities in H1 Tags-0.1714257 %79 %
78Variations in OpenGraph Title   Relevancy-0.1716260 %78 %
79TF/IDF   Relevancy-0.172172 %81 %
80Number of Questions   Size-0.1789968 %88 %
81Number of Images   Size-0.161632987 %85 %
82Number of Internal Links   Authority-0.1667612888 %86 %
83Number of Images with ALT Text   Size-0.16861981 %86 %
84Number of Instagram Pages   Authority-0.1611238 %81 %
85Number Of JSON-LD Types   Relevancy-0.162011158 %85 %
86Number of H2 Tags   Size-0.1619775 %89 %
87Leading Variations in H1 Tags   Relevancy-0.162134 %79 %
88Variations in OpenGraph Description   Relevancy-0.1633254 %81 %
89Variations in Footer Tags   Relevancy-0.163003937 %85 %
90Number of Questions In Headings   Size-0.167237 %79 %
91Number of H3 Tags   Size-0.1629867 %88 %
92Number of Absolute URLs   Authority-0.1678721991 %85 %
93Exact Matches in Title Tag   Relevancy-0.162128 %81 %
94Exact Matches in Sentences   Relevancy-0.1681429 %90 %
95Variation Count in Top 30KB   Relevancy-0.1563423679 %81 %
96LSI Words in Title Tag   Relevancy-0.1523665 %92 %
97Variations making whole A Tags   Relevancy-0.1525236 %84 %
98Variations in the last 100 words   Relevancy-0.15201559 %79 %
99Leading Variations in H2 Tags   Relevancy-0.154125 %87 %
100Exact Matches in Top 30KB   Relevancy-0.1529329 %78 %
101Keywords in pages top 5 most used phrases-0.153147 %14 %
102Entities in Meta Description Tag   Relevancy-0.1518356 %79 %
103Has Entities in H2 Tags   Relevancy-0.151154 %79 %
104Number of Twitter Accounts   Authority-0.155138 %78 %
105Variations in Section Tags   Relevancy-0.156711940 %86 %
106Variations in TITLE Attributes   Relevancy-0.15901845 %84 %
107Variations Making Whole LI Tags   Relevancy-0.1519129 %82 %
108Title Tag Has Entities   Relevancy-0.151171 %73 %
109LSI Words in H2 Tags   Relevancy-0.15821754 %95 %
110Entities in H4 Tags-0.1523223 %84 %
111Variations in Strong Tags   Relevancy-0.1574333 %83 %
112Variations making whole H1-H6 Tags   Relevancy-0.144119 %79 %
113Variations Making Whole Span Tags   Relevancy-0.1494123 %85 %
114Has Entities in H3 Tags   Relevancy-0.141145 %81 %
115Inline JavaScript Kilobytes   Size-0.143075588 %84 %
116Has Entities in H1 Tags   Relevancy-0.141160 %75 %
117Number of External Links   Authority-0.141111784 %80 %
118Flesch Kincaid Reading Grade Level   Other-0.149394 %73 %
119Number of Facebook Accounts   Authority-0.143131 %78 %
120Search Result Number of Dirs in Path   Other-0.144278 %67 %
121Variations making whole H1, H2, and H3 Tags   Relevancy-0.143117 %76 %
122Exact Matches in A Tags   Relevancy-0.1457325 %86 %
123Number of Questions In H2 Tags   Size-0.144122 %84 %
124Uses Schema name   Other-0.141163 %62 %
125Uses JSON-LD name   Other-0.141148 %64 %
126Number of DoFollow External Links   Authority-0.141101482 %79 %
127Headings Has Question   Other-0.141137 %80 %
128Leading Variations in H3 Tags   Relevancy-0.1411118 %84 %
129Uses JSON-LD text   Other-0.14116 %62 %
130Uses Schema answer   Other-0.14117 %63 %
131Variations in H4-H6 Tags   Relevancy-0.1436223 %82 %
132Uses JSON-LD Answer   Other-0.14116 %62 %
133Uses JSON-LD Question   Other-0.14116 %62 %
134Exact Matches in H2 Tags   Relevancy-0.146115 %89 %
135Uses Schema question   Other-0.14117 %63 %
136Exact Matches in H1 Tags   Relevancy-0.143122 %80 %
137Number of LinkedIn Pages   Authority-0.132124 %76 %
138Variations in Search Result Summary   Relevancy-0.1357390 %60 %
139Uses Schema faqpage   Other-0.13116 %62 %
140Variations in Article Tags   Relevancy-0.135701930 %80 %
141LSI Words in H3 Tags   Relevancy-0.131611647 %94 %
142Search Result Uses HTTPS   Other-0.131189 %76 %
143Has Meta Charset   Technology-0.131182 %70 %
144Variations in H4 Tags   Relevancy-0.1322219 %82 %
145Number of Prices   Size-0.1310684771 %77 %
146Has Schema Markup   Relevancy-0.131168 %73 %
147Uses JSON-LD FAQPage   Other-0.13115 %61 %
148Uses JSON-LD url   Other-0.131146 %62 %
149Number of Questions In H3 Tags   Size-0.134116 %80 %
150Percentage of DoFollow Internal Links   Authority-0.13947788 %78 %
151Uses Schema text   Other-0.131111 %63 %
152Variations in I Tags   Relevancy-0.1399633 %80 %
153Is Home Page   Other-0.131119 %44 %
154Number of JavaScript Includes   Technology-0.13351587 %75 %
155Uses Schema url   Other-0.131157 %59 %
156Has FavIcon   Technology-0.131177 %71 %
157Number of Social Pages   Authority-0.1318468 %78 %
158Title Has Sales Words   Other-0.131114 %72 %
159Number of US Phone Numbers   Trust-0.13190944 %78 %
160Number of HTML Comments   Size-0.132633377 %77 %
161Uses Schema inlanguage   Other-0.131131 %48 %
162Has Privacy Policy   Trust-0.131157 %74 %
163Uses Schema listitem   Other-0.131141 %60 %
164Number of Social Accounts   Authority-0.138251 %79 %
165Uses JSON-LD inLanguage   Other-0.131131 %48 %
166Inline CSS Kilobytes   Size-0.131544765 %80 %
167LSI Words in H1 Tags   Relevancy-0.1326456 %90 %
168Variations in ID Attributes   Relevancy-0.13610213 %82 %
169Percentage of DoFollow Links   Authority-0.131008989 %79 %
170Keywords in pages top 3 most used phrases-0.132137 %14 %
171Uses Schema website   Other-0.121136 %51 %
172Uses Schema breadcrumblist   Other-0.121140 %61 %
173Variations in Class Attributes   Relevancy-0.126752924 %81 %
174Variations making whole H1 Tags   Relevancy-0.121111 %76 %
175Uses Schema description   Other-0.121149 %52 %
176Variations in Button Tags   Relevancy-0.1221426 %83 %
177Uses Schema datemodified   Other-0.121137 %50 %
178Uses JSON-LD ListItem   Other-0.121136 %60 %
179Number of H4 Tags   Size-0.1224443 %80 %
180Number Of Claimed Brands   Other-0.1214220 %77 %
181Has Meta Viewport   Technology-0.121182 %72 %
182Variations in Figure Tags   Relevancy-0.12759713 %79 %
183Uses Schema webpage   Other-0.121137 %50 %
184Exact Matches in Meta Description   Relevancy-0.122118 %84 %
185Number of Forms   Technology-0.1220366 %71 %
186Number of HREF Lang Tags   Size-0.1214210 %78 %
187Variations in B Tags   Relevancy-0.1274316 %77 %
188Title Word Count   Size-0.1219989 %65 %
189Uses JSON-LD WebPage   Other-0.121131 %51 %
190Number of Nofollow Links   Authority-0.1287633 %77 %
191Leading Variations in H4-H6 Tags   Relevancy-0.129111 %78 %
192Meta Description Tag Has Entities   Relevancy-0.121157 %70 %
193Uses JSON-LD BreadcrumbList   Other-0.121134 %60 %
194Title Has Sentiment Words   Other-0.121122 %69 %
195Uses JSON-LD WebSite   Other-0.121131 %53 %
196Uses JSON-LD description   Other-0.121140 %55 %
197Uses Schema city   Other-0.12114 %26 %
198Uses Schema datepublished   Other-0.121140 %51 %
199Number of Images without ALT Text   Size-0.121161067 %79 %
200Search Result Domain Length   Size-0.12271891 %66 %