Measures 129367 SEO Factors

127645 Built-In SEO Factors

119966 On-page SEO Factors

7679 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 ( 53086 )
Relevancy SEO Factors ( 51998 )
Other SEO Factors ( 22721 )
Local SEO Factors ( 7548 )
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 ( 53082 )
Keywords SEO Factors ( 40175 )
Schema SEO Factors ( 22667 )
LSI SEO Factors ( 8346 )
Local SEO Factors ( 7549 )
Entities SEO Factors ( 3455 )
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 2024-06     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-0.26137029889 %75 %
2Number of Distinct Entities Used   Diversity-0.26753386 %92 %
3Search Result Domain is .com, .net, or .org   Other-0.23114 %74 %
4Entities in Sentences   Relevancy-0.2369415881 %91 %
5Entities in the HTML Tag   Relevancy-0.2369616183 %91 %
6Search Result Domain is .com   Other-0.23114 %76 %
7Number of Unique Variations Used   Diversity-0.22391087 %87 %
8Variations in Body Tags   Relevancy-0.21246132087 %90 %
9Variations in HTML Tags   Relevancy-0.21246131987 %90 %
10Variations in Div Tags   Relevancy-0.2193715984 %89 %
11Load Time Milliseconds   Performance-0.2135106163990 %88 %
12Number of Referring Domains   Authority-0.284637354 %84 %
13Variations in P Tags   Relevancy-0.23714577 %87 %
14Variations in Sentences   Relevancy-0.27655382 %88 %
15Number of Top 100 Shared Factors Used   Diversity-0.24032100 %91 %
16Number of Top 200 Shared Factors Used   Diversity-0.25342100 %91 %
17Entities in H2 Tags-0.234859 %90 %
18Number of Backlinks   Authority-0.2561984432854 %85 %
19Variations in H1-H6 Tags   Relevancy-0.2341078 %86 %
20Entities in Title Tag   Relevancy-0.27377 %88 %
21Variations in H1, H2, and H3 Tags   Relevancy-0.225877 %86 %
22LSI Words in Sentences   Relevancy-0.19447473973 %91 %
23Number of Top 50 Shared Factors Used   Diversity-0.19171499 %87 %
24Entities in H3 Tags-0.1929748 %90 %
25Number of Do Follow Backlinks   Authority-0.19539161373746 %84 %
26Number of Factors Used   Diversity-0.19598204100 %89 %
27Number of No Follow Backlinks   Authority-0.1910640159745 %83 %
28Variations in A Tags   Relevancy-0.191903177 %86 %
29Variations in H1 and H2 Tags   Relevancy-0.1921575 %85 %
30Number of Includes   Technology-0.19522584 %73 %
31Unabridged Word Count   Size-0.1919698192090 %85 %
32Word Count   Size-0.189787152090 %85 %
33Variations in LI Tags   Relevancy-0.181422876 %86 %
34Number of HTML Tags   Size-0.184734104490 %86 %
35Term Frequency   Relevancy-0.184387 %87 %
36Clean Text Kilobytes   Size-0.181051385 %90 %
37Variations in Distinct A Tag HREF Attributes   Relevancy-0.182033875 %88 %
38Variations in A Tag HREF Attributes   Relevancy-0.183095975 %87 %
39Leading Variations in H1-H6 Tags   Relevancy-0.1812255 %82 %
40Variations in H2 Tags   Relevancy-0.1820454 %83 %
41Leading Variations in H1, H2, and H3 Tags   Relevancy-0.188252 %83 %
42Number of Sentences   Size-0.1883712289 %86 %
43Exact Matches in the HTML Tag   Relevancy-0.174791136 %83 %
44Variations in ALT Attributes   Relevancy-0.17911056 %82 %
45Variations in Search Result Document File Name   Relevancy-0.174262 %76 %
46Variations in Script Tags   Relevancy-0.1717469373 %85 %
47Entities in H1 Tags-0.177265 %82 %
48Number of P Tags   Size-0.172054083 %83 %
49Variations in Search Result URL Path   Relevancy-0.175265 %78 %
50Has JSON-LD Schema Markup   Relevancy-0.171158 %73 %
51Number of Facebook Pages   Authority-0.1710265 %74 %
52Number of Questions   Size-0.17821171 %88 %
53Number of HTTPS Links   Authority-0.1775314887 %86 %
54Clean Keyword Density in the HTML Tag   Relevancy-0.1615581 %75 %
55Number of Links   Authority-0.1675415087 %82 %
56Number of Images   Size-0.163813285 %82 %
57Number of Heading Tags   Size-0.16642284 %83 %
58Variations in Absolute URLs   Relevancy-0.1647378277 %87 %
59Number of DoFollow Links   Authority-0.1673814687 %86 %
60Number of Internal Links   Authority-0.1646613487 %85 %
61Variations in the Canonical URL   Relevancy-0.166265 %81 %
62Variations in Main Tags   Relevancy-0.1610948639 %85 %
63Number of Images with ALT Text   Size-0.163722280 %87 %
64Variations in the Title Tag   Relevancy-0.164280 %74 %
65LSI Words in Title Tag   Relevancy-0.1613673 %87 %
66Number of CSS Includes   Technology-0.1622976 %70 %
67Variations in Span Tags   Relevancy-0.162231360 %83 %
68Page Size Kilobytes   Size-0.1671426190 %87 %
69LSI Words in H2 Tags   Relevancy-0.161192060 %89 %
70Entities in Meta Description Tag   Relevancy-0.1611464 %80 %
71Variation Density in Top 30KB   Relevancy-0.16304376 %83 %
72Variations in H3 Tags   Relevancy-0.1613441 %84 %
73Variations in First 100 Words   Relevancy-0.1633979 %79 %
74Number of H2 Tags   Size-0.1624774 %82 %
75Variations in Search Result Link Text   Relevancy-0.164291 %68 %
76Variations in H1 Tags   Relevancy-0.164268 %75 %
77Variations in Search Result URL   Relevancy-0.1516274 %73 %
78Variations in Search Result Display URL   Relevancy-0.154291 %71 %
79Variations in Nav Tags   Relevancy-0.152373054 %83 %
80Exact Matches in H1-H6 Tags   Relevancy-0.1512123 %81 %
81Variations in Meta Description   Relevancy-0.1511264 %76 %
82Number of H3 Tags   Size-0.1537866 %81 %
83Number of Instagram Pages   Authority-0.1540246 %79 %
84Exact Matches in Sentences   Relevancy-0.1572325 %83 %
85Number of External Links   Authority-0.155411783 %83 %
86Leading Variations in H2 Tags   Relevancy-0.155126 %84 %
87Number of Absolute URLs   Authority-0.15105426789 %84 %
88Number of Questions In Headings   Size-0.159239 %82 %
89Has Entities in H2 Tags   Relevancy-0.151160 %79 %
90Variations in OpenGraph Description   Relevancy-0.155258 %75 %
91Leading Variations in Title Tag   Relevancy-0.151138 %70 %
92Number Of JSON-LD Types   Relevancy-0.14691363 %81 %
93Variations in Footer Tags   Relevancy-0.141171042 %79 %
94Leading Variations in H1 Tags   Relevancy-0.142134 %75 %
95Entities in H4 Tags-0.1418325 %84 %
96LSI Words in H3 Tags   Relevancy-0.141041952 %87 %
97Number of DoFollow External Links   Authority-0.145361582 %82 %
98Number of Facebook Accounts   Authority-0.144134 %74 %
99Variations in OpenGraph Title   Relevancy-0.143265 %69 %
100LSI Words in H1 Tags   Relevancy-0.1420564 %85 %
101Variation Count in Top 30KB   Relevancy-0.1447163277 %81 %
102Has Entities in H3 Tags   Relevancy-0.141150 %80 %
103Variations in Section Tags   Relevancy-0.141272542 %79 %
104Number of JavaScript Includes   Technology-0.14401886 %73 %
105Has Entities in H1 Tags   Relevancy-0.141166 %76 %
106Uses Schema searchresultspage   Other-0.14112 %18 %
107Search Result Number of Dirs in Path   Other-0.144281 %74 %
108TF/IDF   Relevancy-0.141174 %78 %
109Variations in Button Tags   Relevancy-0.14391210 %77 %
110Exact Matches in Top 30KB   Relevancy-0.1422221 %79 %
111Variations in TITLE Attributes   Relevancy-0.1469846 %79 %
112Variations Making Whole LI Tags   Relevancy-0.146132 %72 %
113LSI Words in Meta Description Tag   Relevancy-0.14471158 %83 %
114Variations making whole H1-H6 Tags   Relevancy-0.143119 %71 %
115Number of Twitter Accounts   Authority-0.1410137 %75 %
116Number of LinkedIn Pages   Authority-0.143131 %73 %
117Variations Making Whole Span Tags   Relevancy-0.14168225 %77 %
118Variations in ID Attributes   Relevancy-0.1344217 %79 %
119Inline CSS Kilobytes   Size-0.131735768 %79 %
120Variations making whole H1, H2, and H3 Tags   Relevancy-0.133117 %72 %
121Number of Prices   Size-0.137696073 %81 %
122Headings Has Question   Other-0.131139 %74 %
123Exact Matches in Title Tag   Relevancy-0.132120 %74 %
124Variations in Strong Tags   Relevancy-0.1328334 %77 %
125Percentage of DoFollow Internal Links   Authority-0.13957686 %80 %
126Inline JavaScript Kilobytes   Size-0.133348187 %82 %
127Variations making whole A Tags   Relevancy-0.1316237 %72 %
128Number of Questions In H3 Tags   Size-0.135117 %78 %
129Number of HTML Comments   Size-0.134034276 %76 %
130Leading Variations in H3 Tags   Relevancy-0.135119 %80 %
131Uses JSON-LD SearchResultsPage   Other-0.13112 %18 %
132Has Privacy Policy   Trust-0.131164 %79 %
133Flesch Kincaid Reading Grade Level   Other-0.137396 %82 %
134Title Tag Has Entities   Relevancy-0.131178 %79 %
135Number of Social Accounts   Authority-0.1327255 %78 %
136Number of US Phone Numbers   Trust-0.139151142 %77 %
137Number of Questions In H2 Tags   Size-0.135124 %78 %
138Number of Social Pages   Authority-0.1344572 %76 %
139Number of Nofollow Links   Authority-0.1368530 %77 %
140Variations in Style Tags   Relevancy-0.13183918 %76 %
141Number of Forms   Technology-0.1320362 %70 %
142Number of H1 Tags   Size-0.1311278 %73 %
143Number of Images without ALT Text   Size-0.13981165 %79 %
144Percentage of DoFollow Links   Authority-0.121008787 %83 %
145Variations in I Tags   Relevancy-0.1239630 %72 %
146Exact Matches in H1 Tags   Relevancy-0.122116 %74 %
147Variations in Class Attributes   Relevancy-0.12288930 %76 %
148Exact Matches in H2 Tags   Relevancy-0.127112 %81 %
149Variations in the last 100 words   Relevancy-0.12188560 %75 %
150Has Meta Charset   Technology-0.121180 %70 %
151Is Pagination Page   Other-0.121120 %67 %
152Average Words Per Sentence   Size-0.122223886 %73 %
153Has FavIcon   Technology-0.121179 %72 %
154Variations in H4-H6 Tags   Relevancy-0.1214224 %75 %
155Variations in Article Tags   Relevancy-0.121452029 %70 %
156Meta Description Tag Has Entities   Relevancy-0.121164 %70 %
157Word Count in Meta Description   Size-0.12782071 %69 %
158Number of H4 Tags   Size-0.1219442 %73 %
159Uses Schema name   Other-0.121165 %66 %
160Has Terms of Service   Trust-0.121141 %71 %
161Uses JSON-LD name   Other-0.121159 %68 %
162Uses Schema aggregaterating   Other-0.121110 %57 %
163Variations making whole H1 Tags   Relevancy-0.121111 %69 %
164Exact Matches in A Tags   Relevancy-0.1236217 %80 %
165Meta Description Length   Size-0.1246712371 %71 %
166Uses JSON-LD AggregateRating   Other-0.12118 %61 %
167Has Canonical URL   Authority-0.121178 %73 %
168Is Home Page   Other-0.121114 %43 %
169Variations in H4 Tags   Relevancy-0.127218 %74 %
170Uses JSON-LD ItemList   Other-0.12113 %46 %
171Search Result Uses HTTPS   Other-0.121189 %81 %
172Number of HREF Lang Tags   Size-0.1218210 %74 %
173Has Google Analytics   Technology-0.12119 %66 %
174Number of Email Addresses   Trust-0.12102445 %74 %
175Uses Schema answer   Other-0.12118 %61 %
176Uses Schema question   Other-0.12118 %61 %
177Uses Schema itemlist   Other-0.12113 %45 %
178Uses Schema url   Other-0.121160 %61 %
179Has Meta Viewport   Technology-0.121188 %75 %
180Has Schema Markup   Relevancy-0.121170 %71 %
181Number of NoFollow External Links   Authority-0.1225220 %76 %
182Title Word Count   Size-0.1213889 %69 %
183Uses JSON-LD url   Other-0.121150 %65 %
184Uses Schema country   Other-0.12112 %18 %
185Uses Schema state   Other-0.12113 %13 %
186Uses Schema faqpage   Other-0.12117 %61 %
187Uses JSON-LD State   Other-0.12113 %14 %
188Has Meta Description   Relevancy-0.121171 %64 %
189Variations in Value Attributes   Relevancy-0.1238216 %71 %
190Uses JSON-LD Answer   Other-0.12117 %60 %
191Uses JSON-LD Question   Other-0.12117 %60 %
192Variations in Meta Twitter Description   Relevancy-0.125125 %67 %
193Uses Schema listitem   Other-0.121144 %61 %
194Is Category Page   Other-0.111113 %67 %
195Number Of Claimed Brands   Other-0.1127226 %70 %
196Variations in Figure Tags   Relevancy-0.1194814 %70 %
197Uses JSON-LD FAQPage   Other-0.11116 %61 %
198Uses JSON-LD text   Other-0.11117 %60 %
199Percentage of DoFollow External Links   Authority-0.11321280 %68 %
200Uses Schema breadcrumblist   Other-0.111144 %61 %