Measures 127957 SEO Factors

126235 Built-In SEO Factors

118607 On-page SEO Factors

7628 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 ( 52953 )
Relevancy SEO Factors ( 51679 )
Other SEO Factors ( 22287 )
Local SEO Factors ( 7494 )
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 ( 52949 )
Keywords SEO Factors ( 39968 )
Schema SEO Factors ( 22233 )
LSI SEO Factors ( 8263 )
Local SEO Factors ( 7495 )
Entities SEO Factors ( 3426 )
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 2024-05     previous

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-0.342284874 %13 %
2Variations   Relevancy-0.34105719871 %11 %
3Number of Distinct LSI Words Used   Diversity-0.32138554774 %12 %
4Number of Distinct Variations Used   Diversity-0.3230874 %13 %
5LSI Words   Relevancy-0.3222275792774 %12 %
6Variations in Title Tags-0.313264 %11 %
7Clean Variations   Relevancy-0.313055366 %11 %
8Clean LSI Words   Relevancy-0.31242165968 %11 %
9LSI Density in Sentences   Relevancy-0.31433168 %12 %
10Yake Words in Sentences   Relevancy-0.31104217468 %12 %
11Clean Word Count   Relevancy-0.33745135472 %12 %
12LSI Density   Relevancy-0.29514072 %12 %
13Number of Distinct HTML Attributes Used   Diversity-0.29835073 %11 %
14Yake Words   Relevancy-0.286432102677 %12 %
15Number of Div Tags Used-0.2874118774 %11 %
16Variation Density in Sentences   Relevancy-0.278362 %11 %
17Number of Title Tags Used-0.2720272 %11 %
18Number of Span Tags Used-0.276388370 %11 %
19Variation Density   Relevancy-0.279464 %12 %
20Number of Meta viewport Tags Used-0.272168 %11 %
21Clean Yake Words   Relevancy-0.2782017773 %11 %
22Number of Unique LSI Words Used   Diversity-0.26124530589 %73 %
23Yake Density in Sentences   Relevancy-0.2632970 %11 %
24Sentence Word Count   Relevancy-0.265466176476 %12 %
25Yake Density   Relevancy-0.25381173 %11 %
26Number of Link Tags Used-0.24832074 %11 %
27Number of Script Tags Used-0.24822976 %11 %
28Search Result Domain is .com, .net, or .org   Other-0.24114 %70 %
29Number of Distinct Entities Used   Diversity-0.23743080 %83 %
30Search Result Domain is .com   Other-0.23114 %79 %
31Load Time Milliseconds   Performance-0.2118473177889 %90 %
32Number of Unique Variations Used   Diversity-0.21451087 %78 %
33Number of Referring Domains   Authority-0.21169528654 %83 %
34Variations in Body Tags   Relevancy-0.214234534486 %80 %
35Variations in HTML Tags   Relevancy-0.214234534386 %80 %
36Number of Factors Used   Diversity-0.256020799 %89 %
37Variations in Div Tags   Relevancy-0.2919916484 %78 %
38Number of Backlinks   Authority-0.23292605925954 %83 %
39Entities in the HTML Tag   Relevancy-0.2100315476 %83 %
40Entities in Sentences   Relevancy-0.2100115174 %83 %
41LSI Words in Sentences   Relevancy-0.21199979975 %82 %
42Number of Includes   Technology-0.2592483 %69 %
43Number of Top 100 Shared Factors Used   Diversity-0.2443099 %90 %
44Variations in Sentences   Relevancy-0.1910444981 %78 %
45Number of Top 200 Shared Factors Used   Diversity-0.19573999 %90 %
46Variations in H1-H6 Tags   Relevancy-0.191761076 %78 %
47Number of Do Follow Backlinks   Authority-0.192462257764946 %82 %
48Variations in P Tags   Relevancy-0.1921504576 %78 %
49Variations in A Tags   Relevancy-0.198093276 %78 %
50Number of Top 50 Shared Factors Used   Diversity-0.19201397 %82 %
51Number of No Follow Backlinks   Authority-0.19830348159645 %82 %
52Variations in H1, H2, and H3 Tags   Relevancy-0.19130876 %79 %
53Number of HTML Tags   Size-0.193625107189 %77 %
54Variations in LI Tags   Relevancy-0.1818042975 %78 %
55Variations in H1 and H2 Tags   Relevancy-0.1835574 %76 %
56Unabridged Word Count   Size-0.1824112200089 %77 %
57Word Count   Size-0.1810698157489 %77 %
58Entities in H2 Tags-0.1833855 %80 %
59Clean Text Kilobytes   Size-0.181241483 %88 %
60Leading Variations in H1-H6 Tags   Relevancy-0.1810254 %75 %
61Leading Variations in H1, H2, and H3 Tags   Relevancy-0.1810251 %74 %
62Variations in H2 Tags   Relevancy-0.1824453 %75 %
63Term Frequency   Relevancy-0.185386 %77 %
64Variations in A Tag HREF Attributes   Relevancy-0.184095874 %77 %
65Variations in Distinct A Tag HREF Attributes   Relevancy-0.182223874 %77 %
66Entities in Title Tag   Relevancy-0.188373 %78 %
67Number of Sentences   Size-0.1787611988 %76 %
68Variations in ALT Attributes   Relevancy-0.171791056 %74 %
69Number of CSS Includes   Technology-0.1720875 %69 %
70Entities in H3 Tags-0.17201745 %81 %
71Number of Heading Tags   Size-0.172932184 %75 %
72Has JSON-LD Schema Markup   Relevancy-0.171157 %74 %
73Number of Images   Size-0.175663484 %76 %
74LSI Words in H2 Tags   Relevancy-0.171162162 %79 %
75Variations in Span Tags   Relevancy-0.1713341460 %75 %
76Number of Facebook Pages   Authority-0.178264 %77 %
77Number of P Tags   Size-0.172814082 %75 %
78Number of Links   Authority-0.17104915587 %75 %
79Variations in Script Tags   Relevancy-0.162340810873 %76 %
80Number of HTTPS Links   Authority-0.16104515386 %87 %
81Number of Images with ALT Text   Size-0.165582379 %86 %
82Variations in Search Result Link Text   Relevancy-0.164291 %61 %
83Number of DoFollow Links   Authority-0.16100015187 %87 %
84Number of H2 Tags   Size-0.1629773 %75 %
85Variations in Search Result Display URL   Relevancy-0.1615291 %70 %
86LSI Words in Title Tag   Relevancy-0.1616675 %79 %
87Variations in Nav Tags   Relevancy-0.162903054 %75 %
88Variations in Main Tags   Relevancy-0.1629988739 %76 %
89Variations in Absolute URLs   Relevancy-0.1669409475 %86 %
90Page Size Kilobytes   Size-0.1699726989 %87 %
91Number of Internal Links   Authority-0.1696914086 %86 %
92Variations in the Title Tag   Relevancy-0.1620279 %69 %
93Exact Matches in the HTML Tag   Relevancy-0.164381437 %70 %
94Variations in Search Result URL Path   Relevancy-0.1617263 %75 %
95Number of Questions   Size-0.16731069 %86 %
96Clean Keyword Density in the HTML Tag   Relevancy-0.16173580 %68 %
97Variations in First 100 Words   Relevancy-0.161911078 %78 %
98Variation Density in Top 30KB   Relevancy-0.16329474 %79 %
99Number of Instagram Pages   Authority-0.1620245 %79 %
100Variations in H3 Tags   Relevancy-0.16122440 %75 %
101Number of Absolute URLs   Authority-0.15174727288 %85 %
102Variations in Meta Description   Relevancy-0.1543264 %70 %
103Variations in Search Result Document File Name   Relevancy-0.1512261 %73 %
104Variations in the Canonical URL   Relevancy-0.1566263 %77 %
105Variations Making Whole LI Tags   Relevancy-0.157233 %67 %
106Number of External Links   Authority-0.151831783 %81 %
107Variations in Footer Tags   Relevancy-0.153971041 %73 %
108Variations in Search Result URL   Relevancy-0.1528273 %67 %
109Leading Variations in Title Tag   Relevancy-0.151138 %65 %
110Number of H3 Tags   Size-0.15164866 %73 %
111Number of Questions In Headings   Size-0.1517237 %82 %
112Variations in H1 Tags   Relevancy-0.1510267 %69 %
113LSI Words in H3 Tags   Relevancy-0.158842154 %78 %
114Leading Variations in H2 Tags   Relevancy-0.145125 %82 %
115Entities in H1 Tags-0.1423261 %74 %
116Leading Variations in H1 Tags   Relevancy-0.142134 %75 %
117Exact Matches in H1-H6 Tags   Relevancy-0.1410124 %70 %
118Variations Making Whole Span Tags   Relevancy-0.1415126 %72 %
119LSI Words in Meta Description Tag   Relevancy-0.14571161 %76 %
120Variations in TITLE Attributes   Relevancy-0.1487846 %72 %
121Number of DoFollow External Links   Authority-0.141591581 %81 %
122Number of JavaScript Includes   Technology-0.14391785 %68 %
123Number of LinkedIn Pages   Authority-0.144129 %76 %
124Variations in OpenGraph Description   Relevancy-0.1441257 %70 %
125Variations in OpenGraph Title   Relevancy-0.1418263 %64 %
126LSI Words in H1 Tags   Relevancy-0.1445566 %76 %
127Entities in Meta Description Tag   Relevancy-0.1412360 %74 %
128Number Of JSON-LD Types   Relevancy-0.14761361 %81 %
129Variations making whole H1-H6 Tags   Relevancy-0.143119 %65 %
130Variations making whole A Tags   Relevancy-0.1416238 %69 %
131Number of Twitter Accounts   Authority-0.144137 %75 %
132Variation Count in Top 30KB   Relevancy-0.1450754076 %78 %
133Variations in Section Tags   Relevancy-0.141542541 %70 %
134TF/IDF   Relevancy-0.141173 %70 %
135Inline CSS Kilobytes   Size-0.142465767 %81 %
136Number of Facebook Accounts   Authority-0.144134 %76 %
137Variations making whole H1, H2, and H3 Tags   Relevancy-0.143117 %65 %
138Number of HTML Comments   Size-0.143803875 %71 %
139Search Result Number of Dirs in Path   Other-0.144282 %75 %
140Number of Prices   Size-0.1412406572 %82 %
141Inline JavaScript Kilobytes   Size-0.148728786 %81 %
142Uses Schema searchresultspage   Other-0.14112 %19 %
143Percentage of DoFollow Internal Links   Authority-0.13937686 %80 %
144Variations in I Tags   Relevancy-0.13347630 %67 %
145Uses Schema aggregaterating   Other-0.131111 %55 %
146Has Entities in H2 Tags   Relevancy-0.131155 %73 %
147Variations in ID Attributes   Relevancy-0.13181216 %72 %
148Variations in Button Tags   Relevancy-0.132518410 %72 %
149Has Privacy Policy   Trust-0.131162 %79 %
150Exact Matches in Sentences   Relevancy-0.1346324 %73 %
151Headings Has Question   Other-0.131137 %76 %
152Flesch Kincaid Reading Grade Level   Other-0.137395 %83 %
153Number of Social Pages   Authority-0.1324470 %77 %
154Number of Images without ALT Text   Size-0.13831165 %82 %
155Variations in Strong Tags   Relevancy-0.1341333 %70 %
156Has Meta Charset   Technology-0.131179 %65 %
157Has FavIcon   Technology-0.131179 %77 %
158Entities in H4 Tags-0.13153323 %75 %
159Uses JSON-LD SearchResultsPage   Other-0.13112 %17 %
160Number of Forms   Technology-0.1318362 %64 %
161Number of Questions In H3 Tags   Size-0.1316116 %79 %
162Has Entities in H3 Tags   Relevancy-0.131146 %72 %
163Leading Variations in H3 Tags   Relevancy-0.137118 %80 %
164Percentage of DoFollow Links   Authority-0.131008786 %81 %
165Variations in the last 100 words   Relevancy-0.13187560 %74 %
166Number of Social Accounts   Authority-0.1314254 %77 %
167Variations in Style Tags   Relevancy-0.1391531519 %71 %
168Number of US Phone Numbers   Trust-0.128141042 %77 %
169Uses Schema pricerange   Other-0.121110 %41 %
170Variations in Article Tags   Relevancy-0.121301928 %64 %
171Average Words Per Sentence   Size-0.123983885 %77 %
172Variations in H4-H6 Tags   Relevancy-0.1246223 %67 %
173Has Terms of Service   Trust-0.121142 %73 %
174Uses Schema country   Other-0.12112 %19 %
175Number of H1 Tags   Size-0.125278 %65 %
176Number of H4 Tags   Size-0.12118441 %66 %
177Uses Schema answer   Other-0.12119 %56 %
178Variations making whole H1 Tags   Relevancy-0.121111 %61 %
179Uses Schema name   Other-0.121166 %67 %
180Word Count in Meta Description   Size-0.121062071 %63 %
181Variations in Class Attributes   Relevancy-0.121494930 %69 %
182Uses JSON-LD Country   Other-0.12112 %19 %
183Uses Schema question   Other-0.12119 %58 %
184Has Schema Markup   Relevancy-0.121169 %73 %
185Exact Matches in Top 30KB   Relevancy-0.1219221 %73 %
186Has Meta Viewport   Technology-0.121187 %68 %
187Number of HREF Lang Tags   Size-0.1225211 %75 %
188Uses Schema faqpage   Other-0.12118 %58 %
189Number of Questions In H2 Tags   Size-0.124123 %78 %
190Uses JSON-LD AggregateRating   Other-0.12118 %59 %
191Search Result Uses HTTPS   Other-0.121188 %83 %
192Uses JSON-LD text   Other-0.12118 %55 %
193Uses Schema url   Other-0.121160 %63 %
194Search Result Host Length   Size-0.12251889 %62 %
195Uses JSON-LD Answer   Other-0.12118 %53 %
196Variations in H4 Tags   Relevancy-0.1245217 %66 %
197Uses Schema ratingvalue   Other-0.121110 %53 %
198Is Pagination Page   Other-0.121119 %69 %
199Is Home Page   Other-0.121112 %46 %
200Exact Matches in Title Tag   Relevancy-0.122121 %65 %