Measures 130899 SEO Factors

129177 Built-In SEO Factors

121198 On-page SEO Factors

7979 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 ( 53322 )
Relevancy SEO Factors ( 52308 )
Other SEO Factors ( 23090 )
Local SEO Factors ( 7833 )
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 ( 53318 )
Keywords SEO Factors ( 40439 )
Schema SEO Factors ( 23036 )
LSI SEO Factors ( 8376 )
Local SEO Factors ( 7834 )
Entities SEO Factors ( 3471 )
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 2024-07     previous

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

NameCorrelation#1 MaxPage 1 AvgUsage %Searches %
1Number of Unique LSI Words Used   Diversity-0.26124428588 %79 %
2Number of Distinct Entities Used   Diversity-0.25713182 %88 %
3Number of Unique Variations Used   Diversity-0.22421087 %84 %
4Search Result Domain is .com, .net, or .org   Other-0.22114 %66 %
5Entities in the HTML Tag   Relevancy-0.2265814777 %90 %
6Entities in Sentences   Relevancy-0.2265014476 %90 %
7Variations in Body Tags   Relevancy-0.21187530886 %88 %
8Variations in HTML Tags   Relevancy-0.21187530786 %89 %
9Number of Top 100 Shared Factors Used   Diversity-0.21403199 %94 %
10Number of Top 200 Shared Factors Used   Diversity-0.21544199 %94 %
11Variations in Sentences   Relevancy-0.216434581 %87 %
12Number of Factors Used   Diversity-0.2171320098 %91 %
13Variations in Div Tags   Relevancy-0.21109715583 %87 %
14Load Time Milliseconds   Performance-0.217539155789 %90 %
15Search Result Domain is .com   Other-0.2114 %69 %
16Entities in Title Tag   Relevancy-0.28374 %84 %
17Variations in P Tags   Relevancy-0.22884176 %86 %
18Number of Referring Domains   Authority-0.273865953 %82 %
19Number of Top 50 Shared Factors Used   Diversity-0.2181398 %87 %
20Variations in H1, H2, and H3 Tags   Relevancy-0.233876 %86 %
21Variations in H1-H6 Tags   Relevancy-0.2401077 %86 %
22Entities in H2 Tags-0.236757 %86 %
23LSI Words in Sentences   Relevancy-0.2388072373 %90 %
24Number of Backlinks   Authority-0.2420706348853 %82 %
25Variations in H1 and H2 Tags   Relevancy-0.216574 %84 %
26Variations in A Tags   Relevancy-0.192623177 %86 %
27Number of Do Follow Backlinks   Authority-0.19279281291045 %81 %
28Variations in LI Tags   Relevancy-0.192602775 %86 %
29Number of No Follow Backlinks   Authority-0.1920207359244 %81 %
30Variations in H2 Tags   Relevancy-0.1915454 %84 %
31Unabridged Word Count   Size-0.1817652182689 %84 %
32Entities in H3 Tags-0.1844747 %86 %
33Number of HTML Tags   Size-0.183956104489 %84 %
34Word Count   Size-0.1813682147389 %84 %
35Term Frequency   Relevancy-0.184386 %86 %
36Clean Text Kilobytes   Size-0.181161284 %91 %
37Leading Variations in H1-H6 Tags   Relevancy-0.1811256 %82 %
38Variations in A Tag HREF Attributes   Relevancy-0.185036174 %85 %
39Variations in Distinct A Tag HREF Attributes   Relevancy-0.184963974 %85 %
40Number of Sentences   Size-0.1893111488 %83 %
41Leading Variations in H1, H2, and H3 Tags   Relevancy-0.188253 %81 %
42Number of Includes   Technology-0.18502585 %75 %
43Variations in Search Result Link Text   Relevancy-0.184289 %70 %
44Entities in H1 Tags-0.189262 %80 %
45Variations in Script Tags   Relevancy-0.1810549071 %84 %
46Variations in Search Result Display URL   Relevancy-0.1711289 %77 %
47LSI Words in Title Tag   Relevancy-0.1722674 %87 %
48Variations in the Title Tag   Relevancy-0.175278 %77 %
49Variations in ALT Attributes   Relevancy-0.1772955 %83 %
50Has JSON-LD Schema Markup   Relevancy-0.171158 %77 %
51Variations in Search Result URL Path   Relevancy-0.177261 %80 %
52Clean Keyword Density in the HTML Tag   Relevancy-0.1712580 %74 %
53Number of Images   Size-0.172663184 %81 %
54Number of P Tags   Size-0.172023782 %82 %
55Variations in Search Result Document File Name   Relevancy-0.177258 %77 %
56Variations in Span Tags   Relevancy-0.17741361 %83 %
57Variation Density in Top 30KB   Relevancy-0.17284374 %83 %
58LSI Words in H2 Tags   Relevancy-0.17932061 %87 %
59Variations in Absolute URLs   Relevancy-0.1737717775 %90 %
60Number of Heading Tags   Size-0.17712284 %82 %
61Variations in the Canonical URL   Relevancy-0.1739263 %82 %
62Variations in Meta Description   Relevancy-0.176263 %77 %
63Number of HTTPS Links   Authority-0.17110914586 %88 %
64Number of Links   Authority-0.17122714887 %81 %
65Number of Images with ALT Text   Size-0.172592179 %88 %
66Variations in First 100 Words   Relevancy-0.171991078 %81 %
67Variations in H1 Tags   Relevancy-0.165265 %77 %
68Exact Matches in the HTML Tag   Relevancy-0.164811536 %76 %
69Number of Questions   Size-0.16138970 %88 %
70Number of Internal Links   Authority-0.16105713186 %87 %
71Number of DoFollow Links   Authority-0.16122214287 %88 %
72Variations in Main Tags   Relevancy-0.169077839 %81 %
73Variations in H3 Tags   Relevancy-0.1619341 %81 %
74Entities in Meta Description Tag   Relevancy-0.1613461 %80 %
75Number of CSS Includes   Technology-0.1622976 %74 %
76Number of Facebook Pages   Authority-0.1621264 %79 %
77Number of H2 Tags   Size-0.1634774 %81 %
78Page Size Kilobytes   Size-0.1692025889 %86 %
79Number Of JSON-LD Types   Relevancy-0.164621562 %86 %
80Variations in Search Result URL   Relevancy-0.1617270 %73 %
81Leading Variations in Title Tag   Relevancy-0.161139 %71 %
82Variations in OpenGraph Description   Relevancy-0.1610255 %76 %
83Number of Absolute URLs   Authority-0.15187126789 %87 %
84Variations in Nav Tags   Relevancy-0.152542954 %81 %
85Number of H3 Tags   Size-0.1534866 %80 %
86Leading Variations in H1 Tags   Relevancy-0.152134 %78 %
87Variations in OpenGraph Title   Relevancy-0.155262 %72 %
88Number of Instagram Pages   Authority-0.1527245 %79 %
89TF/IDF   Relevancy-0.151172 %76 %
90Has Entities in H2 Tags   Relevancy-0.151158 %78 %
91LSI Words in H1 Tags   Relevancy-0.1528564 %84 %
92Variation Count in Top 30KB   Relevancy-0.1548113177 %80 %
93LSI Words in H3 Tags   Relevancy-0.151111954 %86 %
94Leading Variations in H2 Tags   Relevancy-0.155127 %84 %
95Has Entities in H1 Tags   Relevancy-0.151163 %76 %
96Number of Questions In Headings   Size-0.158237 %85 %
97Variations in Footer Tags   Relevancy-0.151151042 %78 %
98Number of External Links   Authority-0.141701682 %84 %
99LSI Words in Meta Description Tag   Relevancy-0.14411160 %84 %
100Variations Making Whole Span Tags   Relevancy-0.147126 %78 %
101Variations in Strong Tags   Relevancy-0.1425332 %76 %
102Number of JavaScript Includes   Technology-0.14321786 %74 %
103Entities in H4 Tags-0.1424324 %82 %
104Exact Matches in H1-H6 Tags   Relevancy-0.1415224 %76 %
105Variations in Section Tags   Relevancy-0.141342542 %79 %
106Variations in Button Tags   Relevancy-0.14143210 %75 %
107Number of DoFollow External Links   Authority-0.141691481 %82 %
108Number of LinkedIn Pages   Authority-0.144129 %75 %
109Variations Making Whole LI Tags   Relevancy-0.146133 %74 %
110Percentage of DoFollow Internal Links   Authority-0.14947786 %83 %
111Variations in TITLE Attributes   Relevancy-0.14137845 %77 %
112Uses Schema specialty   Other-0.14112 %11 %
113Title Tag Has Entities   Relevancy-0.141174 %76 %
114Flesch Kincaid Reading Grade Level   Other-0.147395 %84 %
115Inline JavaScript Kilobytes   Size-0.145437787 %83 %
116Has Entities in H3 Tags   Relevancy-0.141148 %77 %
117Exact Matches in Top 30KB   Relevancy-0.1334222 %71 %
118Uses Schema aggregaterating   Other-0.131111 %62 %
119Number of Facebook Accounts   Authority-0.133132 %75 %
120Percentage of DoFollow Links   Authority-0.131008886 %85 %
121Number of Prices   Size-0.134985571 %79 %
122Search Result Number of Dirs in Path   Other-0.134278 %71 %
123Variations making whole A Tags   Relevancy-0.1324238 %74 %
124Variations in the last 100 words   Relevancy-0.13189561 %79 %
125Variations making whole H1-H6 Tags   Relevancy-0.133120 %72 %
126Inline CSS Kilobytes   Size-0.132695967 %83 %
127Variations making whole H1, H2, and H3 Tags   Relevancy-0.132117 %71 %
128Number of HTML Comments   Size-0.133323976 %75 %
129Exact Matches in Sentences   Relevancy-0.1355325 %78 %
130Headings Has Question   Other-0.131137 %78 %
131Number of US Phone Numbers   Trust-0.134671044 %79 %
132Leading Variations in H3 Tags   Relevancy-0.136120 %81 %
133Variations in I Tags   Relevancy-0.1336631 %71 %
134Uses JSON-LD SearchResultsPage   Other-0.13112 %23 %
135Uses Schema searchresultspage   Other-0.13112 %23 %
136Variations in ID Attributes   Relevancy-0.1383216 %78 %
137Variations in Article Tags   Relevancy-0.131411727 %71 %
138Number of Twitter Accounts   Authority-0.135133 %77 %
139Uses Schema itemlist   Other-0.13114 %48 %
140Has Privacy Policy   Trust-0.131159 %79 %
141Meta Description Tag Has Entities   Relevancy-0.131161 %72 %
142Uses JSON-LD name   Other-0.131158 %72 %
143Has FavIcon   Technology-0.131179 %75 %
144Number of Nofollow Links   Authority-0.1380529 %78 %
145Variations in H4-H6 Tags   Relevancy-0.1330224 %74 %
146Exact Matches in Title Tag   Relevancy-0.133122 %70 %
147Has Meta Charset   Technology-0.131180 %70 %
148Number of Forms   Technology-0.1322361 %68 %
149Number of Questions In H2 Tags   Size-0.135123 %79 %
150Number of Images without ALT Text   Size-0.13941165 %79 %
151Uses JSON-LD AggregateRating-0.13118 %65 %
152Uses Schema answer   Other-0.13118 %62 %
153Uses Schema name   Other-0.131165 %72 %
154Number of Questions In H3 Tags   Size-0.134116 %81 %
155Number of Social Pages   Authority-0.1331470 %78 %
156Uses JSON-LD ItemList   Other-0.13114 %48 %
157Uses Schema question   Other-0.13118 %63 %
158Uses Schema faqpage   Other-0.12118 %62 %
159Variations in Style Tags   Relevancy-0.123951019 %76 %
160Word Count in Meta Description   Size-0.12802070 %71 %
161Uses JSON-LD text   Other-0.12117 %63 %
162Has Canonical URL   Authority-0.121177 %76 %
163Uses JSON-LD Answer   Other-0.12117 %60 %
164Uses JSON-LD Question   Other-0.12117 %62 %
165Number of H4 Tags   Size-0.1230442 %74 %
166Uses Schema url   Other-0.121159 %68 %
167Number of H1 Tags   Size-0.126277 %73 %
168Uses JSON-LD url   Other-0.121149 %70 %
169Meta Description Length   Size-0.1248012470 %77 %
170Has Meta Viewport   Technology-0.121186 %74 %
171Variations in H4 Tags   Relevancy-0.1210218 %74 %
172Number of Social Accounts   Authority-0.128251 %77 %
173Uses Schema reviewcount   Other-0.12117 %54 %
174Uses JSON-LD FAQPage   Other-0.12116 %63 %
175Variations in Class Attributes   Relevancy-0.12320928 %74 %
176Number of NoFollow External Links   Authority-0.1240220 %76 %
177Uses JSON-LD description   Other-0.121145 %66 %
178Search Result Uses HTTPS   Other-0.121188 %82 %
179Average Words Per Sentence   Size-0.123093985 %74 %
180Has Contact Page   Trust-0.121169 %68 %
181Number of HREF Lang Tags   Size-0.1221211 %74 %
182Variations in Value Attributes   Relevancy-0.1257217 %66 %
183Uses Schema description   Other-0.121150 %62 %
184Has Schema Markup   Relevancy-0.121169 %74 %
185Uses Schema listitem   Other-0.121144 %64 %
186Uses JSON-LD ratingValue-0.12118 %60 %
187Uses JSON-LD reviewCount   Other-0.12116 %54 %
188Title Word Count   Size-0.1215888 %73 %
189Uses Schema ratingvalue   Other-0.121110 %60 %
190Variations making whole H1 Tags   Relevancy-0.121110 %67 %
191Has Meta Description   Relevancy-0.121171 %67 %
192Uses Schema itemlistorder   Other-0.12112 %18 %
193Uses JSON-LD itemListOrder   Other-0.12112 %17 %
194Uses Schema lastreviewed   Other-0.12113 %19 %
195Number of Email Addresses   Trust-0.1229446 %78 %
196Uses JSON-LD ListItem   Other-0.121139 %65 %
197Percentage of DoFollow External Links   Authority-0.12271279 %70 %
198Uses Schema state   Other-0.12113 %14 %
199Has Terms of Service   Trust-0.121139 %70 %
200Search Result Host Length   Size-0.12261888 %64 %