Measures 116653 SEO Factors

114931 Built-In SEO Factors

107679 On-page SEO Factors

7252 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 ( 50945 )
Relevancy SEO Factors ( 48284 )
Other SEO Factors ( 20147 )
Local SEO Factors ( 7115 )
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 ( 50941 )
Keywords SEO Factors ( 37039 )
Schema SEO Factors ( 20093 )
LSI SEO Factors ( 7932 )
Local SEO Factors ( 7116 )
Entities SEO Factors ( 3291 )
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 2023-12     previous

Top SEO Factor data is updated daily for latest "month to date" measurements.

NameCorrelation#1 MaxPage 1 AvgUsage %Searches %
1Number of Distinct Variations Used   Diversity-0.3619885 %17 %
2Number of Distinct LSI Words Used   Diversity-0.3696055287 %12 %
3Number of Distinct Yake Words Used   Diversity-0.352153287 %13 %
4LSI Words   Relevancy-0.3416924866187 %11 %
5Clean Variations   Relevancy-0.321256280 %15 %
6Number of Div Tags Used-0.3146222185 %16 %
7Yake Words   Relevancy-0.3214454588 %11 %
8Number of Distinct HTML Tags Used   Diversity-0.29513985 %15 %
9Variations   Relevancy-0.2980429186 %13 %
10Related Searches in Sentences   Relevancy-0.2920539 %11 %
11Number of Distinct HTML Attributes Used   Diversity-0.29745686 %16 %
12Number of Unique LSI Words Used   Diversity-0.2995931290 %69 %
13Sentence Word Count   Relevancy-0.293394175685 %16 %
14LSI Density   Relevancy-0.28534484 %11 %
15Clean Word Count   Relevancy-0.282663143286 %16 %
16Number of P Tags Used   Size-0.28733678 %15 %
17Number of Distinct Related Searches Used   Diversity-0.275246 %15 %
18Number of Meta viewport Tags Used-0.272181 %15 %
19Variations in Head Tags-0.271536082 %14 %
20Number of Img Tags Used-0.27532882 %15 %
21H2 Tags Word Count   Relevancy-0.27482467 %14 %
22LSI Density in Sentences   Relevancy-0.26463483 %11 %
23Variations in Meta description Tag content Attributes-0.265267 %14 %
24Number of Distinct Entities Used   Diversity-0.26702682 %78 %
25Variations in Img Tag alt Attributes-0.26531759 %13 %
26Number of H2 Tags Used   Size-0.2611668 %15 %
27Number of A Tags Used   Size-0.2618910684 %15 %
28Exact Matches   Relevancy-0.2534840 %12 %
29Variations in Link Tag href Attributes-0.2527558 %13 %
30Related Searches   Relevancy-0.2520542 %13 %
31Number of Span Tags Used-0.241437682 %16 %
32Number of H3 Tags Used   Size-0.2422861 %14 %
33Number of Script Tags Used-0.24433086 %15 %
34H3 Tags Word Count   Relevancy-0.24813061 %13 %
35Variations in META Tags   Relevancy-0.2412767 %13 %
36A Tags Word Count   Relevancy-0.2445622383 %14 %
37Number of Factors Used   Diversity-0.2445821499 %93 %
38Number of Referring Domains   Authority-0.2319755357 %85 %
39Number of Top 100 Shared Factors Used   Diversity-0.23402898 %92 %
40Entities in the HTML Tag   Relevancy-0.2344611975 %79 %
41Entities in Sentences   Relevancy-0.2344211773 %79 %
42Variation Density in Sentences   Relevancy-0.237375 %15 %
43Variation Density   Relevancy-0.239476 %15 %
44Variations in H1, H2, and H3 Tags   Relevancy-0.2328876 %75 %
45Variations in Img Tag src Attributes-0.2319540 %13 %
46Number of Top 200 Shared Factors Used   Diversity-0.23523798 %94 %
47Variations in H1-H6 Tags   Relevancy-0.2332977 %77 %
48Variations in Div Tags   Relevancy-0.231961718584 %77 %
49Number of Backlinks   Authority-0.23202475368257 %85 %
50Number of Title Tags Used-0.226286 %15 %
51Variations in Body Tags   Relevancy-0.226574943286 %78 %
52Variations in HTML Tags   Relevancy-0.226574943186 %78 %
53LSI Words in Sentences   Relevancy-0.22283783276 %79 %
54Variations in Ul Tags-0.223376463 %14 %
55Number of No Follow Backlinks   Authority-0.227195566348 %82 %
56Variations in P Tags   Relevancy-0.2239625177 %77 %
57Variations in Title Tags-0.224279 %14 %
58Number of Unique Variations Used   Diversity-0.22461088 %77 %
59Variations in H1 and H2 Tags   Relevancy-0.2217573 %75 %
60Variations in LI Tags   Relevancy-0.2214342875 %74 %
61Number of Top 50 Shared Factors Used   Diversity-0.22181397 %81 %
62Number of Do Follow Backlinks   Authority-0.22187671305848 %83 %
63Entities in H2 Tags-0.2138653 %77 %
64Variations in A Tags   Relevancy-0.2126193475 %76 %
65Number of Strong Tags Used-0.21231153 %12 %
66Number of Meta description Tags Used-0.211174 %14 %
67Entities in Title Tag   Relevancy-0.218371 %74 %
68Number of Li Tags Used-0.212096672 %15 %
69Unabridged Word Count   Size-0.2114604209290 %73 %
70Number of HTML Tags   Size-0.212608109891 %76 %
71Clean Text Kilobytes   Size-0.21751385 %89 %
72Number of Button Tags Used-0.2123755 %14 %
73Number of Noscript Tags Used-0.2113555 %14 %
74Number of Style Tags Used-0.2114874 %14 %
75Word Count   Size-0.23669159490 %73 %
76Number of Distinct Exact Matches Used   Diversity-0.21143 %12 %
77Search Result Domain is .com, .net, or .org   Other-0.2114 %59 %
78Variations in H2 Tags   Relevancy-0.216452 %75 %
79Load Time Milliseconds   Performance-0.211409160891 %91 %
80Search Result Domain is .com   Other-0.2113 %70 %
81Number of Ul Tags Used-0.2541372 %15 %
82Variations in A Tag HREF Attributes   Relevancy-0.215015773 %77 %
83Variations in Img Tag srcset Attributes-0.236719 %12 %
84Variations in Distinct A Tag HREF Attributes   Relevancy-0.211173973 %77 %
85Entities in H3 Tags-0.225643 %76 %
86Variations in Search Result Link Text   Relevancy-0.24287 %60 %
87Variations in Sentences   Relevancy-0.236855581 %77 %
88Number of Meta Tags Used-0.2261284 %15 %
89Leading Variations in H1-H6 Tags   Relevancy-0.1920252 %73 %
90Term Frequency   Relevancy-0.196386 %76 %
91Leading Variations in H1, H2, and H3 Tags   Relevancy-0.1915248 %73 %
92Number of Links   Authority-0.1949715688 %73 %
93Number of Images   Size-0.19863285 %74 %
94Variations in First 100 Words   Relevancy-0.193411179 %81 %
95Variations in Search Result Display URL   Relevancy-0.1915287 %75 %
96Variations in Search Result URL Path   Relevancy-0.1926260 %79 %
97Number of HTTPS Links   Authority-0.1949714588 %89 %
98Variations in Span Tags   Relevancy-0.196761460 %72 %
99Number of Heading Tags   Size-0.19812284 %75 %
100Number of P Tags   Size-0.191344083 %72 %
101LSI Words in H2 Tags   Relevancy-0.19792163 %78 %
102Number of DoFollow Links   Authority-0.1948414489 %88 %
103Number of Images with ALT Text   Size-0.19972280 %89 %
104Number of Internal Links   Authority-0.1948413388 %88 %
105Entities in H1 Tags-0.1913257 %70 %
106Number of Includes   Technology-0.18562486 %66 %
107Number of Link Tags Used-0.18462185 %15 %
108Number of H2 Tags   Size-0.1819774 %72 %
109Variations in Nav Tags   Relevancy-0.181962652 %71 %
110Variations in Search Result Document File Name   Relevancy-0.1821259 %81 %
111Variations in the Title Tag   Relevancy-0.185279 %66 %
112Variations in the Canonical URL   Relevancy-0.18169362 %84 %
113Number of Header Tags Used-0.184256 %14 %
114Variations in ALT Attributes   Relevancy-0.18147954 %74 %
115Variations in H1 Tags   Relevancy-0.183265 %69 %
116Variations in Absolute URLs   Relevancy-0.18905612475 %91 %
117Number of Sentences   Size-0.1832512390 %75 %
118Variations in H3 Tags   Relevancy-0.1813441 %72 %
119Number of Nav Tags Used-0.186365 %14 %
120Clean Keyword Density in the HTML Tag   Relevancy-0.18172580 %69 %
121Number of Svg Tags Used-0.17311342 %12 %
122Leading Variations in H2 Tags   Relevancy-0.174125 %85 %
123Number of Questions In Headings   Size-0.178237 %86 %
124Number of H1 Tags Used   Size-0.179273 %15 %
125LSI Words in H3 Tags   Relevancy-0.17982255 %75 %
126Exact Matches in H1-H6 Tags   Relevancy-0.178124 %70 %
127Number of Facebook Pages   Authority-0.175366 %80 %
128Number of Instagram Pages   Authority-0.179248 %78 %
129LSI Words in Title Tag   Relevancy-0.1721676 %76 %
130Has Entities in H1 Tags   Relevancy-0.171159 %68 %
131Exact Matches in the HTML Tag   Relevancy-0.171881135 %71 %
132Number of Questions   Size-0.17391071 %90 %
133Number of Footer Tags Used-0.179252 %13 %
134LSI Words in H1 Tags   Relevancy-0.1725566 %72 %
135Number of Meta twitter:card Tags Used-0.171153 %13 %
136Variations in Script Tags   Relevancy-0.171984212972 %75 %
137Entities in Meta Description Tag   Relevancy-0.178358 %71 %
138Has Entities in H2 Tags   Relevancy-0.171154 %72 %
139Has JSON-LD Schema Markup   Relevancy-0.171157 %77 %
140Number of H3 Tags   Size-0.1726967 %72 %
141Variations in Search Result URL   Relevancy-0.1646268 %76 %
142Variations in Meta Description   Relevancy-0.1638262 %72 %
143Number of Main Tags Used-0.161131 %12 %
144Has Meta Charset   Technology-0.161179 %65 %
145Variations in Footer Tags   Relevancy-0.1674939 %68 %
146Headings Has Question   Other-0.161137 %82 %
147Number of H4 Tags Used   Size-0.167338 %12 %
148TF/IDF   Relevancy-0.161171 %70 %
149Variation Density in Top 30KB   Relevancy-0.16587675 %86 %
150Number of Absolute URLs   Authority-0.1674626091 %86 %
151Variations in Main Tags   Relevancy-0.1649598439 %73 %
152Number of Path Tags Used-0.16561940 %11 %
153Exact Matches in Top 30KB   Relevancy-0.1617223 %81 %
154Number of Section Tags Used-0.1611545 %13 %
155Number of Br Tags Used-0.16241060 %13 %
156Variation Count in Top 30KB   Relevancy-0.16106759176 %81 %
157Number Of JSON-LD Types   Relevancy-0.163131562 %86 %
158Page Size Kilobytes   Size-0.1667525791 %87 %
159Number of Iframe Tags Used-0.163141 %13 %
160Search Result Number of Dirs in Path   Other-0.164281 %73 %
161Title Tag Has Entities   Relevancy-0.161171 %67 %
162Has Entities in H3 Tags   Relevancy-0.161145 %69 %
163Number of Social Pages   Authority-0.1614571 %81 %
164Number of Twitter Accounts   Authority-0.153140 %76 %
165Variations in Section Tags   Relevancy-0.159182742 %71 %
166Number of JavaScript Includes   Technology-0.15381788 %67 %
167Number of Form Tags Used-0.155253 %12 %
168LSI Words in Meta Description Tag   Relevancy-0.15381161 %73 %
169H4 Tags Word Count   Relevancy-0.15221136 %12 %
170Number of CSS Includes   Technology-0.1518878 %76 %
171Exact Matches in Sentences   Relevancy-0.1526324 %71 %
172Leading Variations in H1 Tags   Relevancy-0.151131 %80 %
173Number of External Links   Authority-0.15601684 %81 %
174Variations in OpenGraph Description   Relevancy-0.1536254 %70 %
175Number of Input Tags Used-0.1527959 %13 %
176Has FavIcon   Technology-0.151179 %77 %
177Number of Facebook Accounts   Authority-0.153138 %78 %
178Exact Matches in Title Tag   Relevancy-0.152123 %63 %
179Number of Social Accounts   Authority-0.155256 %80 %
180Number of Questions In H2 Tags   Size-0.158122 %83 %
181Number of Label Tags Used-0.1512339 %12 %
182Uses Schema postaladdress   Other-0.151117 %58 %
183Number of Images without ALT Text   Size-0.15411066 %82 %
184Leading Variations in H3 Tags   Relevancy-0.158119 %81 %
185Variations Making Whole Span Tags   Relevancy-0.156123 %68 %
186Number of DoFollow External Links   Authority-0.14571483 %78 %
187Has Privacy Policy   Trust-0.141161 %77 %
188Uses Schema streetaddress   Other-0.141116 %57 %
189Number of I Tags Used   Size-0.14391439 %12 %
190Variations in OpenGraph Title   Relevancy-0.144261 %63 %
191Number of HTML Comments   Size-0.142113976 %67 %
192Uses Schema name   Other-0.141165 %72 %
193Variations Making Whole LI Tags   Relevancy-0.148130 %66 %
194Number of Questions In H3 Tags   Size-0.144117 %81 %
195Variations in Button Tags   Relevancy-0.14877410 %69 %
196Uses Schema addresslocality   Other-0.141117 %57 %
197Uses Schema postalcode   Other-0.141116 %54 %
198Percentage of DoFollow Internal Links   Authority-0.14947788 %82 %
199Variations in the last 100 words   Relevancy-0.14342761 %78 %
200Entities in H4 Tags-0.149222 %73 %