Measures 125743 SEO Factors

124021 Built-In SEO Factors

116423 On-page SEO Factors

7598 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 ( 52547 )
Relevancy SEO Factors ( 51019 )
Other SEO Factors ( 21887 )
Local SEO Factors ( 7465 )
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 ( 52543 )
Keywords SEO Factors ( 39465 )
Schema SEO Factors ( 21833 )
LSI SEO Factors ( 8148 )
Local SEO Factors ( 7466 )
Entities SEO Factors ( 3384 )
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 2023-1     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-0.29882884 %79 %
2Number of Unique LSI Words Used   Diversity-0.28120433391 %62 %
3Number of Top 100 Shared Factors Used   Diversity-0.26443198 %89 %
4Number of Top 200 Shared Factors Used   Diversity-0.26574198 %89 %
5Number of Unique Variations Used   Diversity-0.2535889 %76 %
6Variations in Body Tags   Relevancy-0.2510453046388 %89 %
7Variations in HTML Tags   Relevancy-0.2510453046488 %89 %
8Number of Top 50 Shared Factors Used   Diversity-0.24201396 %86 %
9Number of Referring Domains   Authority-0.241797710263 %73 %
10Number of Factors Used   Diversity-0.2434219098 %88 %
11Number of Backlinks   Authority-0.2348988001289163 %74 %
12Number of No Follow Backlinks   Authority-0.234835798447255 %71 %
13Variations in H1-H6 Tags   Relevancy-0.23271978 %87 %
14Variations in Div Tags   Relevancy-0.234551019585 %86 %
15Variations in P Tags   Relevancy-0.2352294277 %87 %
16Variations in H1, H2, and H3 Tags   Relevancy-0.23233877 %87 %
17Variations in Sentences   Relevancy-0.2244254480 %87 %
18Entities in Title Tag   Relevancy-0.229372 %75 %
19Number of Do Follow Backlinks   Authority-0.221920602859653 %72 %
20Variations in A Tags   Relevancy-0.2247033277 %86 %
21Variations in Search Result Display URL   Relevancy-0.2216285 %73 %
22Variations in H1 and H2 Tags   Relevancy-0.22161574 %85 %
23Entities in the HTML Tag   Relevancy-0.2296512072 %91 %
24Variations in Search Result Link Text   Relevancy-0.2116286 %70 %
25Entities in Sentences   Relevancy-0.2152411371 %90 %
26Variations in LI Tags   Relevancy-0.2126112475 %86 %
27Entities in H2 Tags-0.2143754 %78 %
28Variations in H2 Tags   Relevancy-0.21154451 %85 %
29Variations in the Title Tag   Relevancy-0.219278 %74 %
30Term Frequency   Relevancy-0.26388 %86 %
31Clean Text Kilobytes   Size-0.2531289 %86 %
32Leading Variations in H1-H6 Tags   Relevancy-0.226252 %83 %
33Unabridged Word Count   Size-0.29470189892 %84 %
34Leading Variations in H1, H2, and H3 Tags   Relevancy-0.221250 %82 %
35Word Count   Size-0.24046144092 %83 %
36Exact Matches in the HTML Tag   Relevancy-0.27611641 %81 %
37Variations in A Tag HREF Attributes   Relevancy-0.227485073 %86 %
38Entities in H3 Tags-0.1936643 %78 %
39Variations in Distinct A Tag HREF Attributes   Relevancy-0.1917953373 %86 %
40Clean Keyword Density in the HTML Tag   Relevancy-0.19194581 %77 %
41Number of HTML Tags   Size-0.193766103392 %83 %
42Variation Density in Top 30KB   Relevancy-0.19329372 %80 %
43Variations in Search Result URL Path   Relevancy-0.1914261 %77 %
44LSI Words in Sentences   Relevancy-0.19378065067 %89 %
45Variations in Script Tags   Relevancy-0.192848311869 %86 %
46Number of HTTPS Links   Authority-0.1948815589 %82 %
47Variations in the Canonical URL   Relevancy-0.1968259 %80 %
48Number of Sentences   Size-0.1853910491 %82 %
49Number of Internal Links   Authority-0.1847214389 %81 %
50Variations in ALT Attributes   Relevancy-0.18514952 %83 %
51Variations in First 100 Words   Relevancy-0.18189876 %77 %
52Number of Links   Authority-0.1849115990 %80 %
53Number of P Tags   Size-0.181983886 %82 %
54Number of DoFollow Links   Authority-0.1848515390 %81 %
55Number of Includes   Technology-0.18442286 %67 %
56Load Time Milliseconds   Performance-0.1810529147792 %80 %
57Has JSON-LD Schema Markup   Relevancy-0.181155 %68 %
58Variations in Meta Description   Relevancy-0.18102260 %79 %
59Variations in Nav Tags   Relevancy-0.18127683749 %82 %
60Number of Heading Tags   Size-0.18712188 %82 %
61Variations in Span Tags   Relevancy-0.188361158 %83 %
62Variations in Absolute URLs   Relevancy-0.1894218173 %86 %
63Leading Variations in Title Tag   Relevancy-0.171138 %72 %
64Search Result Domain is .com, .net, or .org   Other-0.17113 %53 %
65Variations in H1 Tags   Relevancy-0.1720266 %74 %
66Number of Questions   Size-0.17144969 %83 %
67Page Size Kilobytes   Size-0.1772721892 %84 %
68Variations in H3 Tags   Relevancy-0.17131336 %84 %
69TF/IDF   Relevancy-0.171169 %77 %
70Number Of JSON-LD Types   Relevancy-0.171151159 %79 %
71Number of Images   Size-0.172303188 %80 %
72Entities in H1 Tags-0.1715259 %70 %
73Leading Variations in H1 Tags   Relevancy-0.172134 %75 %
74Variations in OpenGraph Title   Relevancy-0.1717259 %72 %
75Variations in Search Result Document File Name   Relevancy-0.1716261 %70 %
76Exact Matches in H1-H6 Tags   Relevancy-0.1711228 %81 %
77Number of Facebook Pages   Authority-0.1711366 %72 %
78Number of Images with ALT Text   Size-0.172082182 %83 %
79Entities in Meta Description Tag   Relevancy-0.1754358 %72 %
80Number of H2 Tags   Size-0.1732776 %81 %
81Variations in Search Result URL   Relevancy-0.1726266 %74 %
82Search Result Domain is .com   Other-0.17113 %55 %
83Variations in Main Tags   Relevancy-0.16242929036 %82 %
84Number of Questions In Headings   Size-0.169237 %79 %
85Leading Variations in H2 Tags   Relevancy-0.1611124 %82 %
86Number of CSS Includes   Technology-0.1617880 %63 %
87Variations in OpenGraph Description   Relevancy-0.1656252 %76 %
88LSI Words in Title Tag   Relevancy-0.1616565 %85 %
89Number of Instagram Pages   Authority-0.1610242 %74 %
90Number of Absolute URLs   Authority-0.1677023292 %81 %
91Variations in Footer Tags   Relevancy-0.1653031836 %77 %
92Has Entities in H2 Tags   Relevancy-0.161155 %70 %
93Exact Matches in Top 30KB   Relevancy-0.1631328 %70 %
94Exact Matches in Sentences   Relevancy-0.16116428 %82 %
95Uses Schema name   Other-0.161164 %63 %
96Variation Count in Top 30KB   Relevancy-0.1566764378 %77 %
97Exact Matches in Title Tag   Relevancy-0.153126 %76 %
98Inline JavaScript Kilobytes   Size-0.155326289 %79 %
99Variations in TITLE Attributes   Relevancy-0.15598844 %80 %
100Variations making whole H1-H6 Tags   Relevancy-0.152119 %73 %
101Number of H3 Tags   Size-0.1533867 %78 %
102Variations Making Whole LI Tags   Relevancy-0.156128 %74 %
103Variations in Section Tags   Relevancy-0.1517372038 %79 %
104LSI Words in H2 Tags   Relevancy-0.151201854 %87 %
105Number of JavaScript Includes   Technology-0.15371688 %70 %
106Percentage of DoFollow Internal Links   Authority-0.15947989 %74 %
107Variations Making Whole Span Tags   Relevancy-0.157122 %77 %
108Variations making whole H1, H2, and H3 Tags   Relevancy-0.152117 %73 %
109Entities in H4 Tags-0.1514223 %74 %
110Title Tag Has Entities   Relevancy-0.151173 %66 %
111Number of External Links   Authority-0.15631785 %72 %
112Search Result Number of Dirs in Path   Other-0.154281 %65 %
113Has Entities in H1 Tags   Relevancy-0.151162 %66 %
114Variations making whole A Tags   Relevancy-0.1577234 %76 %
115Number of Questions In H2 Tags   Size-0.158123 %77 %
116Number of Twitter Accounts   Authority-0.154139 %69 %
117Headings Has Question   Other-0.151137 %73 %
118Variations in the last 100 words   Relevancy-0.15187453 %74 %
119Number of Social Pages   Authority-0.1513471 %73 %
120Uses JSON-LD name   Other-0.151148 %67 %
121Has FavIcon   Technology-0.151178 %71 %
122Uses Schema url   Other-0.141158 %58 %
123Number of DoFollow External Links   Authority-0.14531483 %70 %
124Variations in Strong Tags   Relevancy-0.14403331 %78 %
125Has Schema Markup   Relevancy-0.141169 %69 %
126Has Entities in H3 Tags   Relevancy-0.141145 %70 %
127Flesch Kincaid Reading Grade Level   Other-0.147394 %73 %
128Uses JSON-LD url   Other-0.141148 %60 %
129Has Contact Page   Trust-0.141163 %60 %
130Uses Schema answer   Other-0.14117 %57 %
131Number of Prices   Size-0.143975073 %75 %
132Uses Schema question   Other-0.14117 %58 %
133Number of HTML Comments   Size-0.143553879 %74 %
134Number of US Phone Numbers   Trust-0.141581039 %71 %
135Uses Schema listitem   Other-0.141142 %62 %
136Uses Schema breadcrumblist   Other-0.141142 %62 %
137Number of Nofollow Links   Authority-0.1462633 %77 %
138Has Privacy Policy   Trust-0.141157 %68 %
139Uses JSON-LD Question   Other-0.14116 %55 %
140Number of Social Accounts   Authority-0.146252 %73 %
141Uses JSON-LD Answer   Other-0.14116 %55 %
142Number of Facebook Accounts   Authority-0.144132 %70 %
143Uses Schema faqpage   Other-0.14117 %57 %
144Variations making whole H1 Tags   Relevancy-0.141112 %70 %
145Exact Matches in A Tags   Relevancy-0.1476222 %80 %
146Uses JSON-LD text   Other-0.13117 %56 %
147Has Canonical URL   Authority-0.131177 %70 %
148Leading Variations in H3 Tags   Relevancy-0.1311117 %78 %
149Inline CSS Kilobytes   Size-0.131464865 %77 %
150Meta Description Tag Has Entities   Relevancy-0.131159 %65 %
151Uses JSON-LD FAQPage   Other-0.13116 %55 %
152Number of H4 Tags   Size-0.1323443 %73 %
153LSI Words in H3 Tags   Relevancy-0.131441747 %86 %
154Number Of Claimed Brands   Other-0.1312221 %70 %
155Variations in Article Tags   Relevancy-0.1333782030 %71 %
156Number of LinkedIn Pages   Authority-0.133124 %70 %
157Variations in H4-H6 Tags   Relevancy-0.1347221 %75 %
158Number of Questions In H3 Tags   Size-0.134116 %72 %
159Variations in I Tags   Relevancy-0.13696732 %72 %
160Has US Phone Number   Trust-0.131138 %56 %
161Exact Matches in H1 Tags   Relevancy-0.132120 %76 %
162Uses JSON-LD ListItem   Other-0.131136 %61 %
163Uses Schema description   Other-0.131149 %53 %
164Word Count in Meta Description   Size-0.132042170 %69 %
165Meta Description Length   Size-0.13134512570 %70 %
166Uses JSON-LD description   Other-0.131143 %54 %
167Uses Schema aggregaterating   Other-0.13119 %53 %
168Uses Schema city   Other-0.13113 %19 %
169Is Store Page   Other-0.131148 %65 %
170Exact Matches in H2 Tags   Relevancy-0.136115 %81 %
171Uses JSON-LD BreadcrumbList   Other-0.131136 %60 %
172Number of NoFollow External Links   Authority-0.1327322 %75 %
173Number of Forms   Technology-0.1315368 %68 %
174Uses JSON-LD ratingValue   Other-0.13117 %51 %
175Uses JSON-LD City-0.13113 %18 %
176Uses JSON-LD inLanguage   Other-0.131131 %48 %
177Uses Schema text   Other-0.131111 %59 %
178Uses Schema datepublished   Other-0.131140 %49 %
179LSI Words in Meta Description Tag   Relevancy-0.13981051 %85 %
180Number of Images without ALT Text   Size-0.13791068 %73 %
181Uses JSON-LD AggregateRating-0.13116 %54 %
182Variations in ID Attributes   Relevancy-0.13638313 %80 %
183Uses Schema website   Other-0.131135 %50 %
184Uses Schema ratingvalue   Other-0.13118 %54 %
185Uses JSON-LD reviewCount   Other-0.13114 %43 %
186Uses Schema inlanguage   Other-0.131131 %47 %
187Variations in H4 Tags   Relevancy-0.1329116 %75 %
188Has Meta Description   Relevancy-0.131170 %66 %
189Uses JSON-LD datePublished   Other-0.131137 %51 %
190Uses JSON-LD State   Other-0.13112 %12 %
191Uses Schema webpage   Other-0.131138 %50 %
192Has Meta Charset   Technology-0.121182 %62 %
193Uses Schema reviewcount   Other-0.12115 %45 %
194Title Word Count   Size-0.1218990 %63 %
195Uses Schema datemodified   Other-0.121137 %49 %
196Uses JSON-LD image   Other-0.121115 %57 %
197Uses JSON-LD dateModified   Other-0.121134 %51 %
198Uses Schema state   Other-0.12112 %12 %
199Percentage of NoFollow Links   Authority-0.1223431 %72 %
200Uses JSON-LD WebSite   Other-0.121130 %54 %