Measures 133387 SEO Factors

131665 Built-In SEO Factors

123486 On-page SEO Factors

8179 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 ( 53570 )
Relevancy SEO Factors ( 52571 )
Other SEO Factors ( 24283 )
Local SEO Factors ( 8008 )
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 ( 53566 )
Keywords SEO Factors ( 40686 )
Schema SEO Factors ( 24229 )
LSI SEO Factors ( 8388 )
Local SEO Factors ( 8009 )
Entities SEO Factors ( 3475 )
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 2024-10     previous

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-0.25603272 %90 %
2Number of Unique LSI Words Used   Diversity-0.2598522672 %86 %
3Number of Top 100 Shared Factors Used   Diversity-0.24393183 %92 %
4Number of Top 50 Shared Factors Used   Diversity-0.23161380 %90 %
5Number of Unique Variations Used   Diversity-0.2327972 %86 %
6Entities in Title Tag   Relevancy-0.238364 %86 %
7Number of Top 200 Shared Factors Used   Diversity-0.23514183 %91 %
8Variations in Search Result Display URL   Relevancy-0.213273 %82 %
9LSI Words in Title Tag   Relevancy-0.2113661 %93 %
10Variations in Search Result Link Text   Relevancy-0.213273 %82 %
11Variations in Search Result Document File Name   Relevancy-0.213246 %79 %
12Entities in H2 Tags-0.2126747 %88 %
13Variations in H1 and H2 Tags   Relevancy-0.2112558 %89 %
14Number of Factors Used   Diversity-0.2139918483 %88 %
15Search Result Domain is .com, .net, or .org   Other-0.21114 %45 %
16Variations in Search Result URL Path   Relevancy-0.24248 %81 %
17Variations in H1, H2, and H3 Tags   Relevancy-0.237861 %89 %
18Variations in H1-H6 Tags   Relevancy-0.238961 %89 %
19Search Result Domain is .com   Other-0.2113 %45 %
20Variations in Body Tags   Relevancy-0.2209827973 %88 %
21Variations in HTML Tags   Relevancy-0.2209827973 %89 %
22Entities in the HTML Tag   Relevancy-0.252315066 %93 %
23Variations in Sentences   Relevancy-0.26554666 %90 %
24Entities in H3 Tags-0.271739 %86 %
25Variations in Div Tags   Relevancy-0.290415069 %87 %
26Entities in Sentences   Relevancy-0.252214664 %93 %
27Load Time Milliseconds   Performance-0.199414164977 %81 %
28Entities in H1 Tags-0.198252 %82 %
29Variations in P Tags   Relevancy-0.191573662 %86 %
30Variations in Search Result URL   Relevancy-0.194255 %77 %
31Variations in the Canonical URL   Relevancy-0.195249 %82 %
32Variations in First 100 Words   Relevancy-0.19261062 %83 %
33Variations in H2 Tags   Relevancy-0.1910442 %88 %
34Term Frequency   Relevancy-0.194371 %88 %
35Clean Keyword Density in the HTML Tag   Relevancy-0.199565 %83 %
36Variations in the Title Tag   Relevancy-0.194263 %82 %
37Variations in the last 100 words   Relevancy-0.1919648 %81 %
38Title Tag Has Entities   Relevancy-0.191164 %80 %
39Search Result Not .com .net or .org   Other-0.191167 %16 %
40Variations in LI Tags   Relevancy-0.181402862 %83 %
41Number of Backlinks   Authority-0.18501962517940 %67 %
42LSI Words in H2 Tags   Relevancy-0.18761851 %91 %
43Variations in H1 Tags   Relevancy-0.183252 %81 %
44LSI Words in Sentences   Relevancy-0.18344563362 %92 %
45Entities in Meta Description Tag   Relevancy-0.189451 %75 %
46LSI Words in H1 Tags   Relevancy-0.1828452 %88 %
47Leading Variations in H1-H6 Tags   Relevancy-0.189245 %86 %
48Leading Variations in H1, H2, and H3 Tags   Relevancy-0.188242 %86 %
49Variations in A Tag HREF Attributes   Relevancy-0.183256261 %84 %
50Number of Referring Domains   Authority-0.1817345440 %65 %
51Variation Density in Top 30KB   Relevancy-0.187359 %83 %
52Variations in A Tags   Relevancy-0.181693164 %84 %
53Variations in Distinct A Tag HREF Attributes   Relevancy-0.182894360 %85 %
54Percentage of DoFollow Internal Links   Authority-0.18957570 %82 %
55Search Result Host Length   Size-0.18282073 %77 %
56Flesch Kincaid Reading Grade Level   Other-0.187278 %86 %
57Search Result Domain Length   Size-0.18282073 %77 %
58TF/IDF   Relevancy-0.181158 %81 %
59Variations in Script Tags   Relevancy-0.1818327258 %87 %
60Variations in Meta Description   Relevancy-0.175250 %78 %
61Number of No Follow Backlinks   Authority-0.178988293732 %63 %
62Number of Do Follow Backlinks   Authority-0.17490863451435 %67 %
63Number of Sentences   Size-0.17110812073 %86 %
64Has Entities in H1 Tags   Relevancy-0.171153 %77 %
65Variations in Absolute URLs   Relevancy-0.173747760 %85 %
66Has Entities in H2 Tags   Relevancy-0.171149 %76 %
67Number of HTML Tags   Size-0.17277798877 %76 %
68Number of P Tags   Size-0.174183767 %81 %
69Variations in H3 Tags   Relevancy-0.1733332 %84 %
70Unabridged Word Count   Size-0.177216183475 %80 %
71Variations in OpenGraph Title   Relevancy-0.164250 %79 %
72Variations in Main Tags   Relevancy-0.168236433 %83 %
73Number of H2 Tags   Size-0.1617761 %83 %
74Variations in Span Tags   Relevancy-0.161371050 %81 %
75Word Count   Size-0.165026150275 %78 %
76Entities in H4 Tags-0.1632220 %81 %
77Inline CSS Kilobytes   Size-0.161975154 %82 %
78Leading Variations in Title Tag   Relevancy-0.161131 %79 %
79Variations in ALT Attributes   Relevancy-0.1661744 %81 %
80Percentage of DoFollow Links   Authority-0.16998571 %84 %
81LSI Words in Meta Description Tag   Relevancy-0.1623949 %83 %
82Variation Count in Top 30KB   Relevancy-0.16732664 %80 %
83Has JSON-LD Schema Markup   Relevancy-0.161146 %69 %
84Number of H1 Tags   Size-0.1627263 %84 %
85Clean Text Kilobytes   Size-0.16461370 %79 %
86Number of Heading Tags   Size-0.16622070 %84 %
87Variations in Section Tags   Relevancy-0.161513135 %80 %
88Number of Includes   Technology-0.16552572 %73 %
89Number of Images   Size-0.161162670 %76 %
90Has Meta Charset   Technology-0.161164 %78 %
91Number Of JSON-LD Types   Relevancy-0.16591248 %79 %
92Has Meta Viewport   Technology-0.161169 %79 %
93Leading Variations in H2 Tags   Relevancy-0.164121 %81 %
94Variations Making Whole Span Tags   Relevancy-0.1632121 %79 %
95Variations in OpenGraph Description   Relevancy-0.164244 %78 %
96Variations Making Whole LI Tags   Relevancy-0.166127 %76 %
97Has Entities in H3 Tags   Relevancy-0.161141 %76 %
98Has DocType Tag   Technology-0.161166 %61 %
99Number of Questions   Size-0.161821056 %81 %
100LSI Words in H3 Tags   Relevancy-0.151451644 %88 %
101Uses Schema listitem   Other-0.151135 %64 %
102Page Size Kilobytes   Size-0.1575023776 %80 %
103Variations in Footer Tags   Relevancy-0.151161033 %77 %
104Variations in TITLE Attributes   Relevancy-0.1554636 %80 %
105Number of Images with ALT Text   Size-0.15811764 %76 %
106Number of Internal Links   Authority-0.1557113173 %75 %
107Uses Schema addresslocality   Other-0.151115 %65 %
108Number of Links   Authority-0.1558114673 %74 %
109Uses Schema postaladdress   Other-0.151116 %66 %
110Number of HTTPS Links   Authority-0.1558014473 %74 %
111Variations in Nav Tags   Relevancy-0.151332745 %74 %
112Variations in I Tags   Relevancy-0.1522626 %78 %
113Variations making whole H1, H2, and H3 Tags   Relevancy-0.152114 %77 %
114Number of DoFollow Links   Authority-0.1557814174 %73 %
115Has Schema Markup   Relevancy-0.151154 %70 %
116Number of H3 Tags   Size-0.1534853 %80 %
117Number of Questions In Headings   Size-0.158229 %76 %
118Number of Facebook Pages   Authority-0.1529252 %71 %
119Uses Schema name   Other-0.151150 %66 %
120Title Length   Size-0.151005271 %75 %
121Number of Absolute URLs   Authority-0.1574225275 %76 %
122Meta Description Tag Has Entities   Relevancy-0.151151 %69 %
123Variations making whole A Tags   Relevancy-0.157231 %76 %
124Number of HTML Comments   Size-0.153013763 %82 %
125Leading Variations in H3 Tags   Relevancy-0.157116 %81 %
126Uses JSON-LD ListItem   Other-0.151130 %63 %
127Title Word Count   Size-0.1515871 %76 %
128Uses JSON-LD PostalAddress   Other-0.151114 %65 %
129Uses Schema streetaddress   Other-0.151114 %65 %
130Uses JSON-LD addressLocality   Other-0.151114 %63 %
131Uses JSON-LD name   Other-0.151143 %67 %
132Uses JSON-LD BreadcrumbList   Other-0.151130 %63 %
133Has Canonical URL   Authority-0.151160 %74 %
134Uses Schema postalcode   Other-0.151114 %64 %
135Uses JSON-LD Map   Other-0.15112 %27 %
136Uses Schema breadcrumblist   Other-0.151134 %64 %
137Variations making whole H1-H6 Tags   Relevancy-0.142116 %79 %
138Uses Schema map   Other-0.14112 %28 %
139Inline JavaScript Kilobytes   Size-0.145297272 %78 %
140Uses JSON-LD streetAddress   Other-0.141113 %64 %
141Variations in Article Tags   Relevancy-0.14861520 %69 %
142Number of JavaScript Includes   Technology-0.14331772 %75 %
143Variations in Search Result Summary   Relevancy-0.145375 %70 %
144Number of CSS Includes   Technology-0.1422965 %69 %
145Has Meta Twitter Card   Authority-0.141143 %64 %
146Variations in Strong Tags   Relevancy-0.1421324 %73 %
147Leading Variations in H1 Tags   Relevancy-0.141127 %74 %
148Uses JSON-LD postalCode   Other-0.141113 %64 %
149Headings Has Question   Other-0.141129 %69 %
150Search Result Summary Length   Size-0.1416415079 %79 %
151Uses Schema localbusiness   Other-0.14119 %53 %
152Variations in H4-H6 Tags   Relevancy-0.1414218 %75 %
153Variations in Form Tags   Relevancy-0.147113 %78 %
154Has Entities in H4 Tags   Relevancy-0.141122 %73 %
155Uses Schema telephone   Other-0.141116 %62 %
156Number of Questions In H2 Tags   Size-0.144117 %74 %
157Uses Schema url   Other-0.141145 %63 %
158Search Result Link Text Length   Size-0.14534476 %63 %
159Uses Schema geocoordinates   Other-0.14119 %54 %
160Number of Social Pages   Authority-0.1431456 %69 %
161Number of Images without ALT Text   Size-0.1458954 %75 %
162Uses Schema addressregion   Other-0.141114 %65 %
163Uses JSON-LD addressCountry   Other-0.141112 %63 %
164Variations in Class Attributes   Relevancy-0.141481226 %76 %
165Number of Forms   Technology-0.1412249 %73 %
166Has Apple Touch Icon   Technology-0.141142 %70 %
167Is Article Page   Other-0.141137 %60 %
168Has Contact Page   Trust-0.141153 %70 %
169Is OpenGraph Type Article   Technology-0.141128 %57 %
170Has MicroFormats   Relevancy-0.141110 %60 %
171Search Result Number of Dirs in Path   Other-0.144267 %70 %
172Variations in Style Tags   Relevancy-0.1489718 %81 %
173Uses Schema addresscountry   Other-0.141112 %62 %
174Meta Description Length   Size-0.1443111657 %70 %
175Number of Questions In H3 Tags   Size-0.146112 %72 %
176Uses Schema pricerange   Other-0.14118 %56 %
177Uses Schema webpage   Other-0.141127 %58 %
178Has OpenGraph Type   Relevancy-0.141152 %64 %
179Number of External Links   Authority-0.141101668 %72 %
180Variations in H4 Tags   Relevancy-0.1313114 %74 %
181Uses JSON-LD GeoCoordinates   Other-0.13118 %53 %
182Number of Instagram Pages   Authority-0.1316236 %69 %
183Search Result URL Length   Size-0.131336575 %49 %
184Has FavIcon   Technology-0.131166 %74 %
185Uses JSON-LD addressRegion   Other-0.131113 %64 %
186Uses JSON-LD propertyID   Other-0.13111 %15 %
187Uses Schema longitude   Other-0.13116 %50 %
188Uses Schema latitude   Other-0.13116 %50 %
189Number of Email Addresses   Trust-0.13177436 %71 %
190LSI Words in H4 Tags   Relevancy-0.1334626 %82 %
191Uses Schema propertyid   Other-0.13111 %15 %
192Uses JSON-LD LocalBusiness   Other-0.13118 %52 %
193Number of H4 Tags   Size-0.1313433 %75 %
194Variations in Meta Twitter Content   Relevancy-0.133123 %72 %
195Is Home Page   Other-0.131112 %48 %
196Number of Prices   Size-0.137054759 %76 %
197Has Form   Technology-0.131148 %67 %
198Number of DoFollow External Links   Authority-0.131041367 %70 %
199Number of Social Accounts   Authority-0.135238 %66 %
200Uses JSON-LD priceRange   Other-0.13117 %56 %