Measures 132725 SEO Factors

131003 Built-In SEO Factors

122837 On-page SEO Factors

8166 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 ( 53559 )
Relevancy SEO Factors ( 52555 )
Other SEO Factors ( 23840 )
Local SEO Factors ( 8000 )
Technology SEO Factors ( 1599 )
Authority SEO Factors ( 163 )
Pay Per Click SEO Factors ( 29 )
Trust SEO Factors ( 15 )
Diversity SEO Factors ( 15 )
Easy SEO Factors ( 3 )
Performance SEO Factors ( 1 )

SEO Factor Type

Size SEO Factors ( 53555 )
Keywords SEO Factors ( 40670 )
Schema SEO Factors ( 23786 )
LSI SEO Factors ( 8388 )
Local SEO Factors ( 8001 )
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 2024-5     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 Yake Words Used   Diversity-0.343315174 %11 %
2Number of Distinct Variations Used   Diversity-0.3230875 %11 %
3Number of Unique LSI Words Used   Diversity-0.26124530789 %73 %
4Number of Distinct Entities Used   Diversity-0.23763181 %83 %
5Search Result Domain is .com, .net, or .org   Other-0.23114 %69 %
6Search Result Domain is .com   Other-0.22114 %77 %
7Number of Unique Variations Used   Diversity-0.21451087 %79 %
8Load Time Milliseconds   Performance-0.2118473181189 %89 %
9Number of Referring Domains   Authority-0.21169528053 %84 %
10Variations in Body Tags   Relevancy-0.214234533286 %82 %
11Variations in HTML Tags   Relevancy-0.214234533286 %82 %
12Number of Factors Used   Diversity-0.256020599 %89 %
13Number of Includes   Technology-0.2592483 %70 %
14Entities in the HTML Tag   Relevancy-0.2100315377 %84 %
15Entities in Sentences   Relevancy-0.2100115074 %84 %
16Variations in Div Tags   Relevancy-0.2919915984 %80 %
17Number of Backlinks   Authority-0.23292605794653 %84 %
18Number of Top 100 Shared Factors Used   Diversity-0.2443099 %90 %
19LSI Words in Sentences   Relevancy-0.21199978774 %84 %
20Variations in Sentences   Relevancy-0.210444881 %80 %
21Number of Top 200 Shared Factors Used   Diversity-0.19574099 %90 %
22Variations in H1-H6 Tags   Relevancy-0.191761077 %80 %
23Variations in P Tags   Relevancy-0.1921504476 %80 %
24Number of Do Follow Backlinks   Authority-0.192462257658646 %83 %
25Number of Top 50 Shared Factors Used   Diversity-0.19201398 %83 %
26Variations in H1, H2, and H3 Tags   Relevancy-0.19130876 %80 %
27Number of No Follow Backlinks   Authority-0.19830348136144 %82 %
28Variations in A Tags   Relevancy-0.198093176 %80 %
29Number of HTML Tags   Size-0.193625106489 %78 %
30Variations in LI Tags   Relevancy-0.1818042875 %80 %
31Variations in H1 and H2 Tags   Relevancy-0.1835574 %78 %
32Unabridged Word Count   Size-0.1824112200489 %78 %
33Entities in H2 Tags-0.1836856 %81 %
34Word Count   Size-0.1810698156689 %78 %
35Clean Text Kilobytes   Size-0.181241484 %88 %
36Entities in Title Tag   Relevancy-0.188373 %79 %
37Variations in H2 Tags   Relevancy-0.1824453 %77 %
38Number of CSS Includes   Technology-0.1820875 %70 %
39Term Frequency   Relevancy-0.185386 %79 %
40Leading Variations in H1, H2, and H3 Tags   Relevancy-0.1810251 %76 %
41Leading Variations in H1-H6 Tags   Relevancy-0.1810254 %77 %
42Variations in A Tag HREF Attributes   Relevancy-0.184095774 %79 %
43Variations in Distinct A Tag HREF Attributes   Relevancy-0.172223774 %78 %
44Entities in H3 Tags-0.17201746 %82 %
45Number of Sentences   Size-0.1787611988 %78 %
46Has JSON-LD Schema Markup   Relevancy-0.171157 %74 %
47Number of Facebook Pages   Authority-0.178264 %77 %
48Variations in ALT Attributes   Relevancy-0.171791056 %76 %
49Number of Heading Tags   Size-0.172932184 %76 %
50Number of Images   Size-0.175663484 %77 %
51Number of P Tags   Size-0.172814083 %77 %
52Variations in Script Tags   Relevancy-0.162340810372 %77 %
53Number of Links   Authority-0.16119615487 %77 %
54LSI Words in H2 Tags   Relevancy-0.161162161 %81 %
55Number of HTTPS Links   Authority-0.16115315286 %86 %
56Variations in Search Result Link Text   Relevancy-0.164290 %63 %
57Number of Images with ALT Text   Size-0.165582379 %85 %
58Variations in Span Tags   Relevancy-0.1613341360 %77 %
59Variations in Main Tags   Relevancy-0.1629988539 %77 %
60Exact Matches in the HTML Tag   Relevancy-0.1621957111238 %71 %
61Number of DoFollow Links   Authority-0.16100015087 %87 %
62Variations in Search Result Display URL   Relevancy-0.1615290 %71 %
63Variations in the Title Tag   Relevancy-0.1620279 %70 %
64Variations in Absolute URLs   Relevancy-0.1669409075 %86 %
65Variations in Nav Tags   Relevancy-0.162902954 %77 %
66Page Size Kilobytes   Size-0.1699726889 %86 %
67Number of H2 Tags   Size-0.1629774 %76 %
68LSI Words in Title Tag   Relevancy-0.1616674 %80 %
69Number of Questions   Size-0.16731070 %86 %
70Clean Keyword Density in the HTML Tag   Relevancy-0.16173580 %70 %
71Number of Instagram Pages   Authority-0.1620245 %79 %
72Number of Internal Links   Authority-0.1696913887 %86 %
73Variations in Search Result URL Path   Relevancy-0.1617263 %76 %
74Variations in First 100 Words   Relevancy-0.16191978 %78 %
75Variation Density in Top 30KB   Relevancy-0.16329374 %80 %
76Variations in H3 Tags   Relevancy-0.16122440 %76 %
77Variations in Search Result Document File Name   Relevancy-0.1512261 %73 %
78Number of Absolute URLs   Authority-0.15174727389 %84 %
79Variations in Meta Description   Relevancy-0.1543263 %71 %
80Variations in the Canonical URL   Relevancy-0.1566263 %78 %
81Number of Questions In Headings   Size-0.1517238 %82 %
82Variations Making Whole LI Tags   Relevancy-0.157233 %68 %
83Variations in Search Result URL   Relevancy-0.1528273 %67 %
84Entities in H1 Tags-0.1523262 %74 %
85Number of H3 Tags   Size-0.15164866 %74 %
86Variations in H1 Tags   Relevancy-0.1510267 %70 %
87Number of External Links   Authority-0.1510971783 %81 %
88Variations in Footer Tags   Relevancy-0.143971040 %74 %
89Exact Matches in H1-H6 Tags   Relevancy-0.14727225 %71 %
90Leading Variations in Title Tag   Relevancy-0.141138 %66 %
91LSI Words in H3 Tags   Relevancy-0.148842153 %80 %
92Leading Variations in H1 Tags   Relevancy-0.142134 %75 %
93Variations in OpenGraph Title   Relevancy-0.1418263 %64 %
94Variations in OpenGraph Description   Relevancy-0.1441257 %71 %
95Leading Variations in H2 Tags   Relevancy-0.145126 %82 %
96Number of LinkedIn Pages   Authority-0.144129 %75 %
97Number of JavaScript Includes   Technology-0.14391786 %70 %
98Number of DoFollow External Links   Authority-0.141591581 %81 %
99Variations Making Whole Span Tags   Relevancy-0.1415126 %73 %
100Number of Twitter Accounts   Authority-0.144136 %75 %
101Variation Count in Top 30KB   Relevancy-0.1450753876 %79 %
102Variations in TITLE Attributes   Relevancy-0.1487845 %73 %
103Entities in Meta Description Tag   Relevancy-0.1412360 %74 %
104Number Of JSON-LD Types   Relevancy-0.142061362 %80 %
105TF/IDF   Relevancy-0.141173 %71 %
106LSI Words in H1 Tags   Relevancy-0.1445565 %78 %
107Variations in Section Tags   Relevancy-0.141542441 %72 %
108LSI Words in Meta Description Tag   Relevancy-0.14571161 %78 %
109Number of Facebook Accounts   Authority-0.144134 %76 %
110Variations making whole H1-H6 Tags   Relevancy-0.143119 %67 %
111Variations making whole A Tags   Relevancy-0.1416238 %70 %
112Variations making whole H1, H2, and H3 Tags   Relevancy-0.143117 %66 %
113Inline JavaScript Kilobytes   Size-0.148728686 %80 %
114Inline CSS Kilobytes   Size-0.142465867 %80 %
115Search Result Number of Dirs in Path   Other-0.144282 %75 %
116Number of HTML Comments   Size-0.143843975 %72 %
117Has Entities in H2 Tags   Relevancy-0.141156 %73 %
118Number of Prices   Size-0.1412406372 %81 %
119Percentage of DoFollow Internal Links   Authority-0.13937686 %80 %
120Exact Matches in Sentences   Relevancy-0.1310493725 %74 %
121Flesch Kincaid Reading Grade Level   Other-0.137395 %83 %
122Uses Schema searchresultspage   Other-0.13112 %18 %
123Headings Has Question   Other-0.131138 %76 %
124Variations in I Tags   Relevancy-0.13347630 %69 %
125Entities in H4 Tags-0.13153323 %76 %
126Variations in ID Attributes   Relevancy-0.13181216 %74 %
127Has Privacy Policy   Trust-0.131161 %79 %
128Has Meta Charset   Technology-0.131179 %66 %
129Number of Social Pages   Authority-0.1324470 %77 %
130Variations in Strong Tags   Relevancy-0.1341334 %71 %
131Variations in Button Tags   Relevancy-0.132518410 %72 %
132Has Entities in H3 Tags   Relevancy-0.131147 %73 %
133Number of Images without ALT Text   Size-0.13891165 %81 %
134Uses Schema aggregaterating   Other-0.131111 %55 %
135Has FavIcon   Technology-0.131179 %76 %
136Number of Questions In H3 Tags   Size-0.1316117 %79 %
137Percentage of DoFollow Links   Authority-0.131008787 %82 %
138Leading Variations in H3 Tags   Relevancy-0.137118 %80 %
139Number of Forms   Technology-0.1318362 %66 %
140Uses JSON-LD SearchResultsPage   Other-0.13112 %17 %
141Number of Social Accounts   Authority-0.1314254 %76 %
142Number of US Phone Numbers   Trust-0.138141041 %77 %
143Variations in the last 100 words   Relevancy-0.13187559 %75 %
144Variations in Style Tags   Relevancy-0.1291531419 %72 %
145Variations in H4-H6 Tags   Relevancy-0.1246223 %69 %
146Number of H1 Tags   Size-0.125278 %67 %
147Number of H4 Tags   Size-0.12118442 %68 %
148Variations in Class Attributes   Relevancy-0.121494930 %70 %
149Number of Questions In H2 Tags   Size-0.124123 %79 %
150Variations in Article Tags   Relevancy-0.121301929 %65 %
151Exact Matches in Top 30KB   Relevancy-0.1219222 %73 %
152Uses Schema answer   Other-0.12119 %56 %
153Average Words Per Sentence   Size-0.123983885 %77 %
154Variations making whole H1 Tags   Relevancy-0.121111 %63 %
155Has Terms of Service   Trust-0.121141 %71 %
156Search Result Uses HTTPS   Other-0.121188 %82 %
157Uses Schema name   Other-0.121166 %66 %
158Uses Schema question   Other-0.12119 %58 %
159Uses Schema faqpage   Other-0.12118 %58 %
160Has Meta Viewport   Technology-0.121187 %69 %
161Has Schema Markup   Relevancy-0.121169 %72 %
162Word Count in Meta Description   Size-0.121062071 %64 %
163Uses Schema pricerange   Other-0.121110 %40 %
164Uses Schema country   Other-0.12112 %19 %
165Number of HREF Lang Tags   Size-0.1225211 %75 %
166Search Result Host Length   Size-0.12251789 %63 %
167Exact Matches in Title Tag   Relevancy-0.122121 %66 %
168Uses JSON-LD Country   Other-0.12112 %18 %
169Has Entities in H1 Tags   Relevancy-0.121163 %71 %
170Uses JSON-LD text   Other-0.12118 %55 %
171Variations in H4 Tags   Relevancy-0.1245217 %67 %
172Has Contact Page   Trust-0.121167 %67 %
173Uses JSON-LD Answer   Other-0.12117 %54 %
174Is Pagination Page   Other-0.121119 %68 %
175Is Home Page   Other-0.121112 %46 %
176Uses JSON-LD AggregateRating   Other-0.12118 %59 %
177Uses JSON-LD State   Other-0.12113 %14 %
178Uses Schema url   Other-0.121161 %62 %
179Has Form   Technology-0.121162 %59 %
180Uses JSON-LD Question   Other-0.12117 %56 %
181Uses Schema state   Other-0.12113 %14 %
182Has Meta Description   Relevancy-0.121171 %61 %
183Title Tag Has Entities   Relevancy-0.121173 %72 %
184Is Purchase Page   Other-0.121150 %68 %
185Percentage of DoFollow External Links   Authority-0.12311280 %68 %
186Uses Schema ratingvalue   Other-0.121110 %53 %
187Uses JSON-LD name   Other-0.121159 %65 %
188Variations in Meta Twitter Description   Relevancy-0.1235124 %63 %
189Has US Phone Number   Trust-0.121141 %65 %
190Meta Description Length   Size-0.1266012471 %73 %
191Uses JSON-LD ratingValue-0.12118 %52 %
192Has Canonical URL   Authority-0.121177 %73 %
193Uses JSON-LD FAQPage   Other-0.12117 %57 %
194Number of Nofollow Links   Authority-0.1272530 %76 %
195Variations in Meta Twitter Content   Relevancy-0.1211127 %60 %
196Has Google Analytics   Technology-0.121110 %67 %
197Title Word Count   Size-0.1214888 %68 %
198Search Result Domain Length   Size-0.12251789 %71 %
199Variations in Value Attributes   Relevancy-0.1293216 %63 %
200Uses JSON-LD priceRange   Other-0.12119 %42 %