Measures 130692 SEO Factors

128970 Built-In SEO Factors

121075 On-page SEO Factors

7895 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 ( 53293 )
Relevancy SEO Factors ( 52267 )
Other SEO Factors ( 23041 )
Local SEO Factors ( 7748 )
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 ( 53289 )
Keywords SEO Factors ( 40402 )
Schema SEO Factors ( 22987 )
LSI SEO Factors ( 8375 )
Local SEO Factors ( 7749 )
Entities SEO Factors ( 3468 )
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-0.26123729089 %78 %
2Number of Distinct Entities Used   Diversity-0.25693183 %89 %
3Number of Unique Variations Used   Diversity-0.22411087 %83 %
4Search Result Domain is .com, .net, or .org   Other-0.22114 %68 %
5Entities in the HTML Tag   Relevancy-0.2265815379 %90 %
6Entities in Sentences   Relevancy-0.2265014977 %90 %
7Variations in Body Tags   Relevancy-0.21187532187 %88 %
8Variations in HTML Tags   Relevancy-0.21187531986 %88 %
9Number of Top 100 Shared Factors Used   Diversity-0.21403199 %93 %
10Number of Top 200 Shared Factors Used   Diversity-0.21544199 %93 %
11Number of Factors Used   Diversity-0.2171320199 %90 %
12Variations in Sentences   Relevancy-0.216434681 %86 %
13Variations in Div Tags   Relevancy-0.21109716384 %87 %
14Number of Referring Domains   Authority-0.2119605353 %82 %
15Search Result Domain is .com   Other-0.21114 %72 %
16Load Time Milliseconds   Performance-0.217539157690 %91 %
17Variations in P Tags   Relevancy-0.22884277 %86 %
18Variations in H1, H2, and H3 Tags   Relevancy-0.233877 %85 %
19LSI Words in Sentences   Relevancy-0.2388074475 %89 %
20Entities in Title Tag   Relevancy-0.28375 %83 %
21Number of Top 50 Shared Factors Used   Diversity-0.2181398 %86 %
22Variations in H1-H6 Tags   Relevancy-0.2401078 %86 %
23Number of Backlinks   Authority-0.2283300296052 %83 %
24Entities in H2 Tags-0.236857 %86 %
25Variations in H1 and H2 Tags   Relevancy-0.1916575 %84 %
26Number of Do Follow Backlinks   Authority-0.19279281247244 %82 %
27Variations in LI Tags   Relevancy-0.192602876 %86 %
28Variations in A Tags   Relevancy-0.192623278 %86 %
29Number of HTML Tags   Size-0.192685106290 %84 %
30Number of No Follow Backlinks   Authority-0.1915325550243 %82 %
31Unabridged Word Count   Size-0.197239183289 %85 %
32Word Count   Size-0.194984148389 %84 %
33Variations in H2 Tags   Relevancy-0.1815454 %84 %
34Clean Text Kilobytes   Size-0.18551385 %92 %
35Entities in H3 Tags-0.1844748 %86 %
36Variations in A Tag HREF Attributes   Relevancy-0.185036375 %85 %
37Variations in Distinct A Tag HREF Attributes   Relevancy-0.184964075 %85 %
38Term Frequency   Relevancy-0.184386 %86 %
39Number of Sentences   Size-0.1893111589 %83 %
40Leading Variations in H1-H6 Tags   Relevancy-0.1811257 %82 %
41Leading Variations in H1, H2, and H3 Tags   Relevancy-0.188254 %81 %
42Variations in Script Tags   Relevancy-0.1810549372 %83 %
43Number of Includes   Technology-0.17502585 %74 %
44Variations in ALT Attributes   Relevancy-0.17721057 %83 %
45Entities in H1 Tags-0.179264 %80 %
46Number of Images   Size-0.172663285 %82 %
47Variations in Search Result Link Text   Relevancy-0.174290 %69 %
48Number of HTTPS Links   Authority-0.1745814587 %89 %
49Number of Heading Tags   Size-0.17712284 %82 %
50Variations in Span Tags   Relevancy-0.17521462 %83 %
51Number of Images with ALT Text   Size-0.172592180 %89 %
52Number of Links   Authority-0.1745914987 %82 %
53LSI Words in Title Tag   Relevancy-0.1715675 %87 %
54Variations in Absolute URLs   Relevancy-0.1737717976 %90 %
55Number of P Tags   Size-0.172023783 %82 %
56Variations in Search Result Display URL   Relevancy-0.1711291 %76 %
57Has JSON-LD Schema Markup   Relevancy-0.171158 %76 %
58Variations in Search Result Document File Name   Relevancy-0.177259 %77 %
59Number of DoFollow Links   Authority-0.1745614387 %89 %
60Variations in Search Result URL Path   Relevancy-0.177262 %79 %
61Number of Internal Links   Authority-0.1744913287 %88 %
62LSI Words in H2 Tags   Relevancy-0.17932162 %87 %
63Number of Questions   Size-0.16138970 %88 %
64Variations in Main Tags   Relevancy-0.169078339 %82 %
65Variations in the Title Tag   Relevancy-0.165279 %76 %
66Clean Keyword Density in the HTML Tag   Relevancy-0.1612581 %73 %
67Variation Density in Top 30KB   Relevancy-0.16284375 %84 %
68Exact Matches in the HTML Tag   Relevancy-0.164811637 %76 %
69Variations in the Canonical URL   Relevancy-0.1639265 %81 %
70Page Size Kilobytes   Size-0.1692026089 %87 %
71Variations in H3 Tags   Relevancy-0.1619441 %81 %
72Variations in First 100 Words   Relevancy-0.161991080 %81 %
73Variations in Meta Description   Relevancy-0.166264 %76 %
74Number of H2 Tags   Size-0.1622775 %81 %
75Variations in H1 Tags   Relevancy-0.165267 %76 %
76Entities in Meta Description Tag   Relevancy-0.1613462 %80 %
77Number of CSS Includes   Technology-0.1622977 %73 %
78Variations in Search Result URL   Relevancy-0.1617271 %73 %
79Leading Variations in Title Tag   Relevancy-0.161140 %70 %
80Number Of JSON-LD Types   Relevancy-0.164621562 %87 %
81Number of Facebook Pages   Authority-0.1621265 %79 %
82Number of Absolute URLs   Authority-0.16187127089 %88 %
83Variations in OpenGraph Description   Relevancy-0.1510256 %75 %
84Variations in Nav Tags   Relevancy-0.152543055 %81 %
85Number of H3 Tags   Size-0.1534866 %80 %
86Leading Variations in H1 Tags   Relevancy-0.152135 %78 %
87Number of Instagram Pages   Authority-0.1527246 %79 %
88Number of External Links   Authority-0.151091683 %86 %
89Has Entities in H2 Tags   Relevancy-0.151159 %78 %
90Leading Variations in H2 Tags   Relevancy-0.155128 %84 %
91Variations Making Whole Span Tags   Relevancy-0.157126 %78 %
92LSI Words in H3 Tags   Relevancy-0.151112055 %86 %
93Number of Questions In Headings   Size-0.158237 %85 %
94Variations in Button Tags   Relevancy-0.15143210 %75 %
95Variations in OpenGraph Title   Relevancy-0.144263 %71 %
96LSI Words in Meta Description Tag   Relevancy-0.14411161 %83 %
97LSI Words in H1 Tags   Relevancy-0.1428565 %83 %
98Variation Count in Top 30KB   Relevancy-0.1448113277 %79 %
99Number of DoFollow External Links   Authority-0.141031481 %84 %
100Variations in Footer Tags   Relevancy-0.141071043 %77 %
101Number of JavaScript Includes   Technology-0.14321786 %74 %
102TF/IDF   Relevancy-0.141173 %76 %
103Has Entities in H1 Tags   Relevancy-0.141165 %76 %
104Entities in H4 Tags-0.1417324 %82 %
105Number of LinkedIn Pages   Authority-0.144130 %75 %
106Variations in Strong Tags   Relevancy-0.1416333 %76 %
107Variations in Section Tags   Relevancy-0.141342543 %78 %
108Exact Matches in H1-H6 Tags   Relevancy-0.1414225 %75 %
109Uses Schema specialty   Other-0.14112 %12 %
110Variations in TITLE Attributes   Relevancy-0.14137846 %77 %
111Inline JavaScript Kilobytes   Size-0.145437887 %84 %
112Variations Making Whole LI Tags   Relevancy-0.146134 %75 %
113Number of Prices   Size-0.144985472 %81 %
114Percentage of DoFollow Internal Links   Authority-0.14947786 %83 %
115Uses Schema aggregaterating   Other-0.141111 %63 %
116Search Result Number of Dirs in Path   Other-0.134279 %72 %
117Has Entities in H3 Tags   Relevancy-0.131149 %77 %
118Title Tag Has Entities   Relevancy-0.131176 %76 %
119Number of Facebook Accounts   Authority-0.133133 %74 %
120Percentage of DoFollow Links   Authority-0.131008887 %85 %
121Inline CSS Kilobytes   Size-0.131665967 %82 %
122Number of HTML Comments   Size-0.133324077 %75 %
123Variations making whole H1-H6 Tags   Relevancy-0.133120 %71 %
124Variations making whole A Tags   Relevancy-0.1322240 %74 %
125Variations in ID Attributes   Relevancy-0.1383216 %77 %
126Flesch Kincaid Reading Grade Level   Other-0.137395 %84 %
127Variations making whole H1, H2, and H3 Tags   Relevancy-0.132118 %70 %
128Number of Forms   Technology-0.1312362 %70 %
129Exact Matches in Sentences   Relevancy-0.1355325 %77 %
130Number of Twitter Accounts   Authority-0.135134 %77 %
131Has Privacy Policy   Trust-0.131159 %79 %
132Number of US Phone Numbers   Trust-0.132471045 %80 %
133Uses JSON-LD SearchResultsPage   Other-0.13112 %24 %
134Leading Variations in H3 Tags   Relevancy-0.136120 %80 %
135Uses Schema searchresultspage   Other-0.13112 %24 %
136Variations in the last 100 words   Relevancy-0.13189562 %77 %
137Uses Schema itemlist   Other-0.13114 %50 %
138Exact Matches in Top 30KB   Relevancy-0.1334223 %70 %
139Number of Nofollow Links   Authority-0.1380529 %78 %
140Number of Images without ALT Text   Size-0.13941165 %80 %
141Headings Has Question   Other-0.131137 %78 %
142Variations in I Tags   Relevancy-0.1336632 %71 %
143Uses JSON-LD AggregateRating   Other-0.13119 %66 %
144Meta Description Tag Has Entities   Relevancy-0.131162 %71 %
145Uses Schema answer   Other-0.13118 %62 %
146Variations in H4-H6 Tags   Relevancy-0.1330224 %73 %
147Number of Questions In H2 Tags   Size-0.135123 %78 %
148Uses Schema question   Other-0.13118 %63 %
149Uses JSON-LD ItemList   Other-0.13114 %51 %
150Number of Questions In H3 Tags   Size-0.134116 %81 %
151Variations in Article Tags   Relevancy-0.131411827 %69 %
152Uses JSON-LD name   Other-0.131158 %72 %
153Uses Schema name   Other-0.131165 %71 %
154Variations in Style Tags   Relevancy-0.133951020 %75 %
155Uses Schema faqpage   Other-0.13118 %63 %
156Number of H1 Tags   Size-0.136278 %71 %
157Uses Schema reviewcount   Other-0.12117 %55 %
158Has Meta Charset   Technology-0.121181 %69 %
159Number of Social Pages   Authority-0.1231471 %79 %
160Uses JSON-LD text   Other-0.12117 %64 %
161Uses JSON-LD Answer   Other-0.12117 %61 %
162Word Count in Meta Description   Size-0.12802071 %71 %
163Uses JSON-LD Question   Other-0.12117 %63 %
164Number of HREF Lang Tags   Size-0.1221211 %75 %
165Average Words Per Sentence   Size-0.122133986 %76 %
166Variations in Class Attributes   Relevancy-0.123201029 %74 %
167Has Canonical URL   Authority-0.121178 %75 %
168Number of NoFollow External Links   Authority-0.1234220 %76 %
169Has Meta Viewport   Technology-0.121187 %74 %
170Uses JSON-LD FAQPage   Other-0.12116 %64 %
171Uses JSON-LD ratingValue-0.12119 %61 %
172Uses Schema ratingvalue   Other-0.121111 %61 %
173Exact Matches in Title Tag   Relevancy-0.122122 %70 %
174Has FavIcon   Technology-0.121179 %73 %
175Meta Description Length   Size-0.1248012471 %77 %
176Uses JSON-LD reviewCount   Other-0.12116 %55 %
177Number of Social Accounts   Authority-0.128251 %78 %
178Number of H4 Tags   Size-0.1230442 %74 %
179Variations in Value Attributes   Relevancy-0.1257217 %67 %
180Uses Schema listitem   Other-0.121144 %63 %
181Has Schema Markup   Relevancy-0.121170 %75 %
182Number of Email Addresses   Trust-0.1229446 %77 %
183Search Result Uses HTTPS   Other-0.121189 %82 %
184Has Terms of Service   Trust-0.121139 %71 %
185Variations in H4 Tags   Relevancy-0.129219 %74 %
186Has Meta Description   Relevancy-0.121171 %67 %
187Percentage of DoFollow External Links   Authority-0.12271280 %70 %
188Uses JSON-LD url   Other-0.121150 %70 %
189Uses Schema itemlistorder   Other-0.12112 %21 %
190Variations making whole H1 Tags   Relevancy-0.121111 %66 %
191Uses Schema lastreviewed   Other-0.12113 %20 %
192Uses Schema url   Other-0.121159 %68 %
193Title Word Count   Size-0.1214888 %74 %
194Uses JSON-LD itemListOrder   Other-0.12112 %19 %
195Uses JSON-LD description   Other-0.121146 %65 %
196Uses Schema description   Other-0.121151 %61 %
197Uses JSON-LD ListItem   Other-0.121140 %64 %
198Uses Schema breadcrumblist   Other-0.121144 %65 %
199Has Contact Page   Trust-0.121170 %67 %
200Uses Schema addresslocality   Other-0.121120 %59 %