Measures 137030 SEO Factors

135308 Built-In SEO Factors

126903 On-page SEO Factors

8405 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 ( 53712 )
Relevancy SEO Factors ( 52896 )
Other SEO Factors ( 26359 )
Local SEO Factors ( 8227 )
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 ( 53708 )
Keywords SEO Factors ( 40927 )
Schema SEO Factors ( 26305 )
LSI SEO Factors ( 8445 )
Local SEO Factors ( 8228 )
Entities SEO Factors ( 3502 )
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 2024-8     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 Entities Used   Diversity-0.24763285 %89 %
2Number of Unique LSI Words Used   Diversity-0.24133327788 %79 %
3Number of Referring Domains   Authority-0.2318016152 %83 %
4Number of Backlinks   Authority-0.22437143453352 %84 %
5Number of Unique Variations Used   Diversity-0.22401086 %82 %
6Number of Do Follow Backlinks   Authority-0.21355442413744 %82 %
7Number of No Follow Backlinks   Authority-0.2111481553544 %81 %
8Search Result Domain is .com, .net, or .org   Other-0.21114 %64 %
9Entities in the HTML Tag   Relevancy-0.2198515381 %89 %
10Entities in Sentences   Relevancy-0.2178814879 %88 %
11Entities in Title Tag   Relevancy-0.27377 %86 %
12Number of Top 100 Shared Factors Used   Diversity-0.2403298 %86 %
13Number of Top 200 Shared Factors Used   Diversity-0.2534298 %85 %
14Variations in Body Tags   Relevancy-0.26784134785 %86 %
15Variations in HTML Tags   Relevancy-0.26784134785 %86 %
16Number of Top 50 Shared Factors Used   Diversity-0.2171397 %83 %
17Search Result Domain is .com   Other-0.2113 %65 %
18Number of Factors Used   Diversity-0.1953019897 %82 %
19Variations in Div Tags   Relevancy-0.192904617182 %84 %
20Variations in Sentences   Relevancy-0.1932715481 %85 %
21Variations in P Tags   Relevancy-0.1938154476 %83 %
22Load Time Milliseconds   Performance-0.1911886139989 %82 %
23Variations in H1, H2, and H3 Tags   Relevancy-0.19170876 %85 %
24Entities in H2 Tags-0.1941760 %89 %
25Variations in H1-H6 Tags   Relevancy-0.18197976 %83 %
26LSI Words in Sentences   Relevancy-0.18360671374 %88 %
27Entities in H3 Tags-0.1833748 %87 %
28Term Frequency   Relevancy-0.186385 %83 %
29Variations in H1 and H2 Tags   Relevancy-0.18121574 %83 %
30Variations in A Tags   Relevancy-0.1755753376 %82 %
31Entities in H1 Tags-0.177264 %83 %
32Variations in LI Tags   Relevancy-0.1715902874 %82 %
33Variations in Distinct A Tag HREF Attributes   Relevancy-0.1716153771 %83 %
34Leading Variations in H1-H6 Tags   Relevancy-0.1717255 %79 %
35Leading Variations in H1, H2, and H3 Tags   Relevancy-0.1713252 %80 %
36Variations in Search Result Link Text   Relevancy-0.1713288 %70 %
37Word Count   Size-0.1710487144888 %80 %
38Variations in A Tag HREF Attributes   Relevancy-0.1723945771 %83 %
39Unabridged Word Count   Size-0.1712398179688 %81 %
40LSI Words in Title Tag   Relevancy-0.1722675 %86 %
41Variations in Search Result Display URL   Relevancy-0.1713288 %72 %
42Number of Sentences   Size-0.1799112188 %81 %
43Clean Text Kilobytes   Size-0.171061284 %83 %
44Number of HTML Tags   Size-0.173639100189 %78 %
45Variations in H2 Tags   Relevancy-0.17102455 %82 %
46Variations in Search Result Document File Name   Relevancy-0.1711257 %74 %
47Variations in the Title Tag   Relevancy-0.1715277 %74 %
48Clean Keyword Density in the HTML Tag   Relevancy-0.16187579 %74 %
49Variations in Absolute URLs   Relevancy-0.1664687773 %84 %
50Entities in Meta Description Tag   Relevancy-0.1611464 %78 %
51Variations in First 100 Words   Relevancy-0.161851076 %78 %
52Variations in Script Tags   Relevancy-0.161726410071 %82 %
53Number of Includes   Technology-0.16462585 %68 %
54Number of Images   Size-0.165223184 %75 %
55Variation Density in Top 30KB   Relevancy-0.16285374 %79 %
56Variations in Span Tags   Relevancy-0.168001360 %82 %
57Number of Questions   Size-0.161691070 %82 %
58Number of HTTPS Links   Authority-0.1658214085 %78 %
59Number of Links   Authority-0.1661314286 %75 %
60Variations in ALT Attributes   Relevancy-0.16270854 %79 %
61Exact Matches in the HTML Tag   Relevancy-0.163541135 %79 %
62Number of DoFollow Links   Authority-0.1555113886 %78 %
63Variations in H1 Tags   Relevancy-0.1519265 %74 %
64Number of Images with ALT Text   Size-0.155152079 %80 %
65Number of Internal Links   Authority-0.1551112685 %78 %
66Number of P Tags   Size-0.151583782 %79 %
67Variations in Search Result URL Path   Relevancy-0.1514259 %74 %
68Has JSON-LD Schema Markup   Relevancy-0.151157 %67 %
69Number of Heading Tags   Size-0.15592184 %79 %
70Variations in Main Tags   Relevancy-0.15119718238 %80 %
71Variations in the Canonical URL   Relevancy-0.1558261 %76 %
72Variations in H3 Tags   Relevancy-0.1552441 %80 %
73Leading Variations in Title Tag   Relevancy-0.151138 %69 %
74LSI Words in H2 Tags   Relevancy-0.15882063 %88 %
75Variations in Meta Description   Relevancy-0.1590263 %75 %
76Number of Absolute URLs   Authority-0.15141726189 %79 %
77LSI Words in H1 Tags   Relevancy-0.1519565 %84 %
78Variations in Nav Tags   Relevancy-0.1539913253 %77 %
79Variations in OpenGraph Title   Relevancy-0.1513261 %71 %
80Leading Variations in H1 Tags   Relevancy-0.152133 %73 %
81Page Size Kilobytes   Size-0.1599025489 %79 %
82Number of External Links   Authority-0.151231682 %79 %
83Leading Variations in H2 Tags   Relevancy-0.156127 %78 %
84Number of Facebook Pages   Authority-0.159266 %71 %
85Number Of JSON-LD Types   Relevancy-0.154041461 %77 %
86Number of H3 Tags   Size-0.1538865 %79 %
87Number of H2 Tags   Size-0.1425774 %80 %
88Variations in OpenGraph Description   Relevancy-0.1477256 %73 %
89Variations in Search Result URL   Relevancy-0.1423267 %70 %
90Has Entities in H1 Tags   Relevancy-0.141165 %74 %
91Uses JSON-LD mainEntity   Other-0.14111 %14 %
92LSI Words in H3 Tags   Relevancy-0.141451954 %84 %
93Number of CSS Includes   Technology-0.1419976 %67 %
94Search Result Not .com .net or .org   Other-0.141186 %16 %
95Title Tag Has Entities   Relevancy-0.141177 %75 %
96Has Entities in H2 Tags   Relevancy-0.141160 %76 %
97Variations in Section Tags   Relevancy-0.1415592542 %77 %
98Variations Making Whole Span Tags   Relevancy-0.1414125 %76 %
99Variation Count in Top 30KB   Relevancy-0.1447753376 %78 %
100Number of DoFollow External Links   Authority-0.14961480 %79 %
101Uses JSON-LD SearchResultsPage   Other-0.14112 %12 %
102LSI Words in Meta Description Tag   Relevancy-0.14311160 %81 %
103TF/IDF   Relevancy-0.141172 %75 %
104Uses Schema searchresultspage   Other-0.14112 %12 %
105Entities in H4 Tags-0.1418325 %80 %
106Variations in Footer Tags   Relevancy-0.1432121241 %76 %
107Flesch Kincaid Reading Grade Level   Other-0.147394 %81 %
108Variations in TITLE Attributes   Relevancy-0.14251843 %78 %
109Number of Questions In Headings   Size-0.149238 %78 %
110Number of Instagram Pages   Authority-0.1433245 %70 %
111Percentage of DoFollow Links   Authority-0.141008785 %82 %
112Exact Matches in H1-H6 Tags   Relevancy-0.149123 %75 %
113Has Entities in H3 Tags   Relevancy-0.141150 %75 %
114Percentage of DoFollow Internal Links   Authority-0.14937685 %76 %
115Search Result Number of Dirs in Path   Other-0.134279 %69 %
116Variations in the last 100 words   Relevancy-0.13184559 %77 %
117Variations Making Whole LI Tags   Relevancy-0.139132 %72 %
118Inline CSS Kilobytes   Size-0.132245767 %76 %
119Variations making whole A Tags   Relevancy-0.1348237 %73 %
120Variations making whole H1-H6 Tags   Relevancy-0.1314120 %72 %
121Variations in Strong Tags   Relevancy-0.13120332 %72 %
122Number of Facebook Accounts   Authority-0.133133 %67 %
123Number of Prices   Size-0.137705571 %75 %
124Inline JavaScript Kilobytes   Size-0.134887986 %77 %
125Number of JavaScript Includes   Technology-0.13331786 %69 %
126Variations making whole H1, H2, and H3 Tags   Relevancy-0.134117 %71 %
127Exact Matches in Top 30KB   Relevancy-0.1333222 %73 %
128Number of HTML Comments   Size-0.132523876 %74 %
129Number of H1 Tags   Size-0.136277 %75 %
130Number of LinkedIn Pages   Authority-0.135130 %68 %
131Leading Variations in H3 Tags   Relevancy-0.136119 %77 %
132Has Meta Viewport   Technology-0.131186 %72 %
133Exact Matches in Sentences   Relevancy-0.1373325 %78 %
134Uses JSON-LD name   Other-0.131156 %63 %
135Number of Nofollow Links   Authority-0.13125528 %75 %
136Uses Schema aggregaterating   Other-0.131110 %56 %
137Is Home Page   Other-0.131115 %52 %
138Number of Twitter Accounts   Authority-0.133133 %69 %
139Headings Has Question   Other-0.131138 %70 %
140Has FavIcon   Technology-0.131178 %68 %
141Number of Questions In H3 Tags   Size-0.136117 %76 %
142Has Meta Charset   Technology-0.121180 %67 %
143Has Privacy Policy   Trust-0.121161 %70 %
144Percentage of DoFollow External Links   Authority-0.12301279 %75 %
145Number of Images without ALT Text   Size-0.121341165 %74 %
146Exact Matches in Title Tag   Relevancy-0.122120 %71 %
147Uses Schema name   Other-0.121163 %63 %
148Number of US Phone Numbers   Trust-0.122851144 %72 %
149Search Result Host Length   Size-0.12281888 %66 %
150Meta Description Tag Has Entities   Relevancy-0.121164 %67 %
151Number of Questions In H2 Tags   Size-0.125124 %75 %
152Search Result Uses HTTPS   Other-0.121189 %76 %
153Uses Schema url   Other-0.121158 %60 %
154Search Result Domain Length   Size-0.12281888 %68 %
155Number of Forms   Technology-0.1212260 %64 %
156Variations in Button Tags   Relevancy-0.121168310 %75 %
157Has Meta Robots   Other-0.121126 %61 %
158Variations in I Tags   Relevancy-0.12241630 %71 %
159Uses JSON-LD text   Other-0.12117 %60 %
160Uses JSON-LD url-0.121148 %63 %
161Uses Schema faqpage   Other-0.12117 %60 %
162Variations in Style Tags   Relevancy-0.12212662019 %77 %
163Has Canonical URL   Authority-0.121176 %69 %
164Uses JSON-LD Question   Other-0.12116 %59 %
165Uses JSON-LD Answer   Other-0.12116 %58 %
166Uses JSON-LD FAQPage   Other-0.12116 %59 %
167Number of NoFollow External Links   Authority-0.1262319 %73 %
168Number of Social Accounts   Authority-0.129251 %71 %
169Has Apple Touch Icon   Technology-0.121151 %63 %
170Number of Social Pages   Authority-0.1237470 %71 %
171Uses Schema answer   Other-0.12117 %60 %
172Variations in ID Attributes   Relevancy-0.12428215 %75 %
173Number of Meta Generator Tags   Technology-0.122134 %56 %
174Word Count in Meta Description   Size-0.12512070 %66 %
175Variations in H4-H6 Tags   Relevancy-0.1234223 %71 %
176Uses Schema question   Other-0.12117 %61 %
177Has Schema Markup   Relevancy-0.121168 %63 %
178Variations in Meta Twitter Content   Relevancy-0.127127 %62 %
179Variations in Article Tags   Relevancy-0.1214021827 %71 %
180Uses JSON-LD AggregateRating   Other-0.12118 %58 %
181Uses Schema itemlist   Other-0.12113 %40 %
182Number of Email Addresses   Trust-0.12113445 %69 %
183Uses JSON-LD datePublished   Other-0.121135 %57 %
184Uses Schema website   Other-0.121137 %51 %
185Has US Phone Number   Trust-0.121143 %58 %
186Average Words Per Sentence   Size-0.125393984 %71 %
187Has Entities in H4 Tags   Relevancy-0.121126 %66 %
188Meta Description Length   Size-0.12894512870 %68 %
189Uses JSON-LD ItemList   Other-0.12113 %39 %
190Uses Schema lastreviewed   Other-0.12113 %17 %
191Percentage of NoFollow Links   Authority-0.1217326 %71 %
192Variations in Meta Twitter Description   Relevancy-0.1220124 %66 %
193Number of HREF Lang Tags   Size-0.1219210 %69 %
194Has Meta Description   Relevancy-0.121170 %63 %
195Number of H4 Tags   Size-0.1216441 %68 %
196Uses Schema datemodified   Other-0.121135 %56 %
197Has HREF Lang   Technology-0.121110 %63 %
198Uses Schema datepublished   Other-0.121138 %56 %
199Variations making whole H1 Tags   Relevancy-0.121110 %68 %
200Variations in H4 Tags   Relevancy-0.1218118 %70 %