Measures 134014 SEO Factors

132292 Built-In SEO Factors

124059 On-page SEO Factors

8233 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 ( 53596 )
Relevancy SEO Factors ( 52588 )
Other SEO Factors ( 24776 )
Local SEO Factors ( 8065 )
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 ( 53592 )
Keywords SEO Factors ( 40691 )
Schema SEO Factors ( 24722 )
LSI SEO Factors ( 8397 )
Local SEO Factors ( 8066 )
Entities SEO Factors ( 3478 )
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-0.25683076 %93 %
2Number of Unique LSI Words Used   Diversity-0.25120125777 %85 %
3Number of Unique Variations Used   Diversity-0.2337977 %88 %
4Number of Top 100 Shared Factors Used   Diversity-0.22393188 %91 %
5Entities in Title Tag   Relevancy-0.228367 %88 %
6Number of Top 200 Shared Factors Used   Diversity-0.22534288 %91 %
7Search Result Domain is .com, .net, or .org   Other-0.22114 %57 %
8Number of Top 50 Shared Factors Used   Diversity-0.21171387 %90 %
9Search Result Domain is .com   Other-0.21114 %57 %
10Entities in the HTML Tag   Relevancy-0.2155215071 %93 %
11Variations in H1-H6 Tags   Relevancy-0.21208967 %89 %
12Entities in Sentences   Relevancy-0.2155014669 %93 %
13Variations in Body Tags   Relevancy-0.217388539877 %91 %
14Variations in HTML Tags   Relevancy-0.217388539777 %91 %
15Variations in H1, H2, and H3 Tags   Relevancy-0.2149866 %89 %
16Variations in Div Tags   Relevancy-0.25940818874 %90 %
17Variations in H1 and H2 Tags   Relevancy-0.267564 %88 %
18Load Time Milliseconds   Performance-0.213758156681 %85 %
19Variations in Search Result Link Text   Relevancy-0.27279 %79 %
20Variations in Search Result Display URL   Relevancy-0.27279 %79 %
21Entities in H2 Tags-0.232751 %90 %
22Variations in Search Result URL Path   Relevancy-0.26253 %80 %
23Variations in Search Result Document File Name   Relevancy-0.24250 %80 %
24LSI Words in Title Tag   Relevancy-0.214666 %93 %
25Number of Factors Used   Diversity-0.243218989 %88 %
26Number of Referring Domains   Authority-0.217345744 %73 %
27Variations in Sentences   Relevancy-0.1910484872 %91 %
28Number of Backlinks   Authority-0.19501962578844 %75 %
29Variations in P Tags   Relevancy-0.1937224167 %88 %
30Entities in H3 Tags-0.1971742 %90 %
31Variations in Search Result URL   Relevancy-0.1914260 %75 %
32Variations in H2 Tags   Relevancy-0.1962447 %87 %
33Term Frequency   Relevancy-0.194376 %90 %
34Variations in First 100 Words   Relevancy-0.19291068 %82 %
35Number of No Follow Backlinks   Authority-0.198988264236 %71 %
36Variations in Distinct A Tag HREF Attributes   Relevancy-0.1915274265 %88 %
37Entities in H1 Tags-0.198255 %85 %
38LSI Words in Sentences   Relevancy-0.19344571767 %93 %
39Number of Do Follow Backlinks   Authority-0.19490863532838 %73 %
40Variations in A Tag HREF Attributes   Relevancy-0.1930046365 %87 %
41Variations in A Tags   Relevancy-0.1973283569 %87 %
42Leading Variations in H1-H6 Tags   Relevancy-0.1824248 %87 %
43Variations in LI Tags   Relevancy-0.181422767 %87 %
44Clean Keyword Density in the HTML Tag   Relevancy-0.18178570 %82 %
45Variations in the Canonical URL   Relevancy-0.1842253 %81 %
46Leading Variations in H1, H2, and H3 Tags   Relevancy-0.1817246 %87 %
47Variations in the Title Tag   Relevancy-0.184269 %82 %
48Variation Density in Top 30KB   Relevancy-0.189365 %82 %
49LSI Words in H2 Tags   Relevancy-0.17881955 %91 %
50Variations in the last 100 words   Relevancy-0.1719552 %78 %
51Variations in H1 Tags   Relevancy-0.175257 %82 %
52Variations in Absolute URLs   Relevancy-0.17108078566 %86 %
53Variations in Span Tags   Relevancy-0.1712521254 %83 %
54Number of HTML Tags   Size-0.172897102781 %82 %
55Unabridged Word Count   Size-0.1710134194179 %83 %
56Entities in Meta Description Tag   Relevancy-0.179455 %81 %
57Title Tag Has Entities   Relevancy-0.171167 %82 %
58Word Count   Size-0.177088156579 %83 %
59Clean Text Kilobytes   Size-0.17781375 %83 %
60Number of Sentences   Size-0.17110812178 %87 %
61Variations in Meta Description   Relevancy-0.175255 %79 %
62Variations in ALT Attributes   Relevancy-0.17638848 %83 %
63Variations in Script Tags   Relevancy-0.178740313663 %88 %
64Search Result Host Length   Size-0.17281978 %73 %
65Search Result Domain Length   Size-0.16281978 %73 %
66LSI Words in H1 Tags   Relevancy-0.1628556 %89 %
67Entities in H4 Tags-0.1632322 %83 %
68Variations in H3 Tags   Relevancy-0.1682336 %85 %
69Number of P Tags   Size-0.169293872 %83 %
70TF/IDF   Relevancy-0.161164 %81 %
71Number of Heading Tags   Size-0.16622174 %86 %
72Flesch Kincaid Reading Grade Level   Other-0.167284 %86 %
73Has Entities in H1 Tags   Relevancy-0.161156 %80 %
74Leading Variations in Title Tag   Relevancy-0.161134 %78 %
75Variations in Main Tags   Relevancy-0.16394039434 %85 %
76Number of Images   Size-0.161862974 %80 %
77Percentage of DoFollow Internal Links   Authority-0.16957574 %81 %
78Number of H2 Tags   Size-0.1622765 %84 %
79Search Result Not .com .net or .org   Other-0.161177 %15 %
80Number of Includes   Technology-0.16552576 %75 %
81Variations in Nav Tags   Relevancy-0.16133893849 %80 %
82Number of Images with ALT Text   Size-0.161712069 %81 %
83Variation Count in Top 30KB   Relevancy-0.16972869 %81 %
84Number of HTTPS Links   Authority-0.1658014577 %80 %
85LSI Words in Meta Description Tag   Relevancy-0.16241053 %86 %
86Variations in OpenGraph Title   Relevancy-0.167254 %77 %
87Variations Making Whole Span Tags   Relevancy-0.1632123 %79 %
88Leading Variations in H2 Tags   Relevancy-0.167123 %84 %
89Variations in Section Tags   Relevancy-0.169082938 %82 %
90Has Entities in H2 Tags   Relevancy-0.151152 %79 %
91Number of Links   Authority-0.1558114778 %80 %
92Number of Internal Links   Authority-0.1560513377 %80 %
93Number of DoFollow Links   Authority-0.1557814278 %79 %
94LSI Words in H3 Tags   Relevancy-0.151451848 %89 %
95Number of Questions   Size-0.151821061 %85 %
96Variations in OpenGraph Description   Relevancy-0.1526248 %76 %
97Variations Making Whole LI Tags   Relevancy-0.156130 %76 %
98Page Size Kilobytes   Size-0.1593124980 %83 %
99Number of H3 Tags   Size-0.1534858 %82 %
100Leading Variations in H1 Tags   Relevancy-0.152129 %75 %
101Percentage of DoFollow Links   Authority-0.151008576 %86 %
102Number of H1 Tags   Size-0.1527268 %84 %
103Has Entities in H3 Tags   Relevancy-0.151144 %80 %
104Has JSON-LD Schema Markup   Relevancy-0.151150 %70 %
105Number of Questions In Headings   Size-0.158233 %81 %
106Number Of JSON-LD Types   Relevancy-0.151211452 %79 %
107Variations making whole H1, H2, and H3 Tags   Relevancy-0.153115 %77 %
108Variations in TITLE Attributes   Relevancy-0.15404839 %82 %
109Number of Absolute URLs   Authority-0.15159426880 %80 %
110Inline CSS Kilobytes   Size-0.151975258 %80 %
111Variations making whole H1-H6 Tags   Relevancy-0.153117 %78 %
112Has Meta Charset   Technology-0.151169 %76 %
113Uses JSON-LD Map   Other-0.15112 %18 %
114Number of Facebook Pages   Authority-0.1529256 %73 %
115Variations making whole A Tags   Relevancy-0.15181233 %76 %
116Variations in H4-H6 Tags   Relevancy-0.1559220 %76 %
117Variations in Footer Tags   Relevancy-0.141161036 %80 %
118Has Meta Viewport   Technology-0.141175 %80 %
119Variations in Strong Tags   Relevancy-0.1436327 %76 %
120Number of HTML Comments   Size-0.143013867 %82 %
121Uses Schema map   Other-0.14112 %18 %
122Number of CSS Includes   Technology-0.1422969 %70 %
123Variations in I Tags   Relevancy-0.1465627 %78 %
124Headings Has Question   Other-0.141133 %72 %
125Has DocType Tag   Technology-0.141171 %54 %
126Number of JavaScript Includes   Technology-0.14331777 %76 %
127Meta Description Tag Has Entities   Relevancy-0.141155 %72 %
128Leading Variations in H3 Tags   Relevancy-0.149117 %81 %
129Variations in H4 Tags   Relevancy-0.1426116 %76 %
130Inline JavaScript Kilobytes   Size-0.146367776 %80 %
131Search Result Number of Dirs in Path   Other-0.144270 %72 %
132Number of External Links   Authority-0.141101673 %79 %
133Uses Schema listitem   Other-0.141138 %63 %
134Uses Schema postaladdress   Other-0.141118 %65 %
135Uses Schema streetaddress   Other-0.141116 %63 %
136Variations in Search Result Summary   Relevancy-0.1444380 %67 %
137Has Canonical URL   Authority-0.141166 %73 %
138Title Length   Size-0.141005377 %74 %
139Is Home Page   Other-0.131113 %47 %
140Uses Schema addresslocality   Other-0.131117 %64 %
141Has Entities in H4 Tags   Relevancy-0.131123 %74 %
142Title Word Count   Size-0.1315877 %76 %
143Number of DoFollow External Links   Authority-0.131041372 %76 %
144Number of Questions In H3 Tags   Size-0.136115 %77 %
145Number of Questions In H2 Tags   Size-0.134120 %75 %
146Variations in Class Attributes   Relevancy-0.13102671727 %78 %
147Has Schema Markup   Relevancy-0.131159 %71 %
148Uses Schema name   Other-0.131155 %67 %
149Uses Schema postalcode   Other-0.131116 %63 %
150Variations in Style Tags   Relevancy-0.13162691918 %80 %
151LSI Words in H4 Tags   Relevancy-0.1352728 %82 %
152Exact Matches in the HTML Tag   Relevancy-0.133481024 %89 %
153Uses JSON-LD streetAddress   Other-0.131114 %63 %
154Number of Images without ALT Text   Size-0.13611057 %77 %
155Uses JSON-LD name-0.131149 %67 %
156Number of Instagram Pages   Authority-0.1316238 %71 %
157Uses JSON-LD addressLocality   Other-0.131115 %64 %
158Number of Forms   Technology-0.1312252 %75 %
159Meta Description Length   Size-0.1343111862 %73 %
160Uses JSON-LD PostalAddress   Other-0.131116 %65 %
161Number of Prices   Size-0.137055464 %80 %
162Search Result Summary Length   Size-0.1317615084 %70 %
163Average Words Per Sentence   Size-0.138725175 %74 %
164Uses Schema addressregion   Other-0.131116 %63 %
165Has FavIcon   Technology-0.131170 %74 %
166Uses JSON-LD postalCode   Other-0.131114 %63 %
167Number of Social Pages   Authority-0.1331460 %72 %
168Uses Schema breadcrumblist   Other-0.131137 %63 %
169Uses JSON-LD ListItem   Other-0.131134 %63 %
170Uses Schema telephone   Other-0.131118 %61 %
171Number of H4 Tags   Size-0.1319436 %75 %
172Variations in Form Tags   Relevancy-0.13226113 %76 %
173Variations making whole H1 Tags   Relevancy-0.13119 %72 %
174Search Result Uses HTTPS   Other-0.131181 %78 %
175Number of Twitter Accounts   Authority-0.135129 %70 %
176Number of LinkedIn Pages   Authority-0.136125 %72 %
177Has Contact Page   Trust-0.131159 %68 %
178Search Result Link Text Length   Size-0.13534483 %58 %
179Number of Social Accounts   Authority-0.1311243 %71 %
180Uses JSON-LD BreadcrumbList   Other-0.131132 %63 %
181Has Meta Twitter Card   Authority-0.131147 %61 %
182Uses Schema geocoordinates   Other-0.131110 %50 %
183Has Meta Description   Relevancy-0.131162 %68 %
184Number of Meta Generator Tags   Technology-0.132130 %54 %
185Has Privacy Policy   Trust-0.131153 %72 %
186Uses JSON-LD addressRegion   Other-0.131115 %63 %
187Word Count in Meta Description   Size-0.13701962 %73 %
188Uses Schema pricerange   Other-0.13119 %50 %
189Uses Schema faqpage   Other-0.13116 %61 %
190Variations in B Tags   Relevancy-0.13374313 %74 %
191Uses Schema localbusiness   Other-0.131110 %52 %
192Variations in Article Tags   Relevancy-0.136331522 %69 %
193Number of Nofollow Links   Authority-0.1367626 %73 %
194Variations in Button Tags   Relevancy-0.13353649 %76 %
195Uses Schema url   Other-0.121150 %62 %
196Variations in OpenGraph Site Name   Relevancy-0.123117 %70 %
197Leading Variations in H4-H6 Tags   Relevancy-0.128110 %71 %
198Variations in Meta Twitter Description   Relevancy-0.123122 %70 %
199Uses JSON-LD GeoCoordinates   Other-0.12119 %50 %
200Has Form   Technology-0.121151 %68 %