Measures 124344 SEO Factors

122622 Built-In SEO Factors

115050 On-page SEO Factors

7572 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 ( 52297 )
Relevancy SEO Factors ( 50585 )
Other SEO Factors ( 21284 )
Local SEO Factors ( 7440 )
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 ( 52293 )
Keywords SEO Factors ( 39133 )
Schema SEO Factors ( 21230 )
LSI SEO Factors ( 8086 )
Local SEO Factors ( 7441 )
Entities SEO Factors ( 3344 )
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 2024-03     previous

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

NameCorrelation#1 MaxPage 1 AvgUsage %Searches %
1Number of Distinct LSI Words Used   Diversity-0.34104859480 %16 %
2Number of Distinct Yake Words Used   Diversity-0.342414379 %17 %
3Yake Words   Relevancy-0.32483285981 %16 %
4Variations   Relevancy-0.3299822979 %13 %
5LSI Words   Relevancy-0.3220512856080 %15 %
6Yake Words in Sentences   Relevancy-0.3153416275 %15 %
7Number of Distinct Variations Used   Diversity-0.3123879 %17 %
8Clean Entities   Relevancy-0.332212977 %15 %
9Clean Yake Words   Relevancy-0.351216678 %15 %
10Clean LSI Words   Relevancy-0.3162871578 %15 %
11Clean Variations   Relevancy-0.31615775 %16 %
12Number of Distinct HTML Tags Used   Diversity-0.3493880 %16 %
13LSI Density   Relevancy-0.29534378 %15 %
14LSI Density in Sentences   Relevancy-0.29443577 %15 %
15Clean Word Count   Relevancy-0.282652140480 %16 %
16Number of Distinct HTML Attributes Used   Diversity-0.28805080 %16 %
17Number of Div Tags Used-0.2853119380 %16 %
18A Tags Word Count   Relevancy-0.2758229278 %15 %
19Number of Title Tags Used-0.278280 %16 %
20Number of Unique LSI Words Used   Diversity-0.27155135590 %69 %
21Sentence Word Count   Relevancy-0.273802182381 %16 %
22Number of A Tags Used   Size-0.2737013179 %16 %
23Number of Button Tags Used-0.2728858 %15 %
24Number of Span Tags Used-0.273089177 %15 %
25Related Searches in Sentences   Relevancy-0.27881255 %12 %
26Number of Distinct Entities Used   Diversity-0.26692985 %78 %
27Variations in Ul Tags-0.263617565 %15 %
28Number of Distinct Related Searches Used   Diversity-0.2619353 %15 %
29Related Searches   Relevancy-0.25961254 %13 %
30Number of P Tags Used   Size-0.251603374 %15 %
31Number of Ul Tags Used-0.25431873 %15 %
32Entity Density   Relevancy-0.2515877 %15 %
33Entity Density in Sentences   Relevancy-0.257111275 %15 %
34Number of Meta viewport Tags Used-0.252176 %15 %
35Yake Density   Relevancy-0.24321077 %15 %
36Yake Density in Sentences   Relevancy-0.2425876 %15 %
37Variations in Title Tags-0.245274 %15 %
38Exact Matches   Relevancy-0.242101845 %12 %
39Number of H2 Tags Used   Size-0.2416667 %15 %
40Number of Li Tags Used-0.242509575 %15 %
41Number of Referring Domains   Authority-0.2431946858 %83 %
42Variation Density in Sentences   Relevancy-0.247372 %16 %
43Variation Density   Relevancy-0.249473 %16 %
44H2 Tags Word Count   Relevancy-0.23862166 %15 %
45Number of Backlinks   Authority-0.23414844284358 %84 %
46Number of Unique Variations Used   Diversity-0.23461188 %74 %
47Variations in Head Tags-0.232643677 %15 %
48Clean Exact Matches   Relevancy-0.2388846 %11 %
49Entities in the HTML Tag   Relevancy-0.2364414080 %79 %
50Entities in Sentences   Relevancy-0.2364313879 %79 %
51Number of Meta Tags Used-0.23241079 %15 %
52Number of No Follow Backlinks   Authority-0.2214522953950 %83 %
53Number of Script Tags Used-0.22522881 %15 %
54Number of Img Tags Used-0.22872076 %15 %
55Variations in Body Tags   Relevancy-0.22180030987 %75 %
56Number of Do Follow Backlinks   Authority-0.22403889223450 %82 %
57Variations in HTML Tags   Relevancy-0.22180030786 %76 %
58Number of Factors Used   Diversity-0.2246221499 %90 %
59Number of Nav Tags Used-0.225363 %15 %
60Number of Svg Tags Used-0.21401341 %12 %
61Number of H1 Tags Used   Size-0.212270 %15 %
62Number of H3 Tags Used   Size-0.2128759 %14 %
63Variations in Meta description Tag content Attributes-0.218260 %13 %
64Number of Header Tags Used-0.215258 %14 %
65TITLE Tags Word Count   Relevancy-0.2114880 %15 %
66Variations in P Tags   Relevancy-0.212164578 %76 %
67LSI Words in Sentences   Relevancy-0.21377083675 %78 %
68Variations in Div Tags   Relevancy-0.21109715484 %74 %
69Number of Distinct Exact Matches Used   Diversity-0.211146 %12 %
70Entities in Title Tag   Relevancy-0.217375 %74 %
71Number of Meta description Tags Used-0.212167 %14 %
72Variations in Sentences   Relevancy-0.217485282 %76 %
73Number of Path Tags Used-0.2731938 %12 %
74Variations in H1, H2, and H3 Tags   Relevancy-0.231878 %74 %
75Variations in H1-H6 Tags   Relevancy-0.2371078 %74 %
76Number of Top 200 Shared Factors Used   Diversity-0.2533999 %88 %
77Search Result Domain is .com, .net, or .org   Other-0.2113 %66 %
78Entities in H2 Tags-0.235758 %75 %
79Number of Top 100 Shared Factors Used   Diversity-0.2402999 %89 %
80Number of Link Tags Used-0.2482080 %15 %
81Number of Top 50 Shared Factors Used   Diversity-0.2171398 %78 %
82Number of Footer Tags Used-0.25160 %14 %
83Number of Includes   Technology-0.2612585 %63 %
84Number of Section Tags Used-0.212546 %14 %
85Unabridged Word Count   Size-0.29280194691 %73 %
86Search Result Domain is .com   Other-0.2113 %70 %
87Word Count   Size-0.25353157091 %73 %
88Variations in A Tags   Relevancy-0.21483078 %75 %
89Variations in H1 and H2 Tags   Relevancy-0.1923575 %72 %
90H3 Tags Word Count   Relevancy-0.19582359 %14 %
91Variations in Link Tag href Attributes-0.1915455 %14 %
92Variations in LI Tags   Relevancy-0.191452877 %75 %
93Has HTML Version 5   Other-0.191174 %13 %
94Variations in META Tags   Relevancy-0.1916662 %14 %
95Number of HTML Tags   Size-0.193219105291 %74 %
96Clean Text Kilobytes   Size-0.19631386 %89 %
97Load Time Milliseconds   Performance-0.1936274172091 %87 %
98Entities in H3 Tags-0.1933648 %77 %
99Term Frequency   Relevancy-0.194386 %75 %
100Number of Sentences   Size-0.19125812390 %74 %
101Variations in H2 Tags   Relevancy-0.1922456 %71 %
102Uses JSON-LD MedicalWebPage   Other-0.19117 %12 %
103Variations in A Tag HREF Attributes   Relevancy-0.183276075 %74 %
104Number of Form Tags Used-0.1810255 %14 %
105Number of Input Tags Used-0.18641061 %15 %
106Variations in Distinct A Tag HREF Attributes   Relevancy-0.182393975 %75 %
107Number of Iframe Tags Used-0.183146 %14 %
108Variations in Search Result Link Text   Relevancy-0.183289 %59 %
109Leading Variations in H1-H6 Tags   Relevancy-0.1816256 %69 %
110Variations in the Title Tag   Relevancy-0.184279 %63 %
111Number of P Tags   Size-0.181704085 %72 %
112H1 Tags Word Count   Relevancy-0.1813570 %14 %
113Number of Label Tags Used-0.1840543 %14 %
114Leading Variations in H1, H2, and H3 Tags   Relevancy-0.189253 %69 %
115Number of Style Tags Used-0.1868765 %14 %
116LSI Words in Title Tag   Relevancy-0.1817776 %78 %
117Number of Noscript Tags Used-0.1818455 %14 %
118Variations in Img Tag alt Attributes-0.18154746 %13 %
119Variations in Img Tag src Attributes-0.1825434 %13 %
120Number of Heading Tags   Size-0.17622186 %71 %
121Variations in Script Tags   Relevancy-0.1710619072 %73 %
122Exact Matches in the HTML Tag   Relevancy-0.174031741 %66 %
123Number of Facebook Pages   Authority-0.177266 %77 %
124Number of Images   Size-0.175163187 %70 %
125Variations in Search Result Display URL   Relevancy-0.1713290 %71 %
126Has JSON-LD Schema Markup   Relevancy-0.171157 %74 %
127Number of Links   Authority-0.1749015489 %72 %
128Number of HTTPS Links   Authority-0.1748915088 %88 %
129Variations in ALT Attributes   Relevancy-0.1783856 %70 %
130Number of DoFollow Links   Authority-0.1748114989 %88 %
131LSI Words in H2 Tags   Relevancy-0.171052263 %75 %
132Number of Internal Links   Authority-0.1741513688 %87 %
133Variations in Span Tags   Relevancy-0.171261461 %73 %
134Entities in H1 Tags-0.179263 %69 %
135Clean Keyword Density in the HTML Tag   Relevancy-0.1713581 %64 %
136Number of Questions   Size-0.17561071 %87 %
137Number of Images with ALT Text   Size-0.165032081 %84 %
138Number of H2 Tags   Size-0.1619776 %70 %
139Page Size Kilobytes   Size-0.1672025491 %87 %
140Variations in Nav Tags   Relevancy-0.161723256 %70 %
141Variations in Absolute URLs   Relevancy-0.1661337976 %85 %
142Variations in Main Tags   Relevancy-0.169747739 %72 %
143Variations in H3 Tags   Relevancy-0.1616342 %71 %
144Entities in Meta Description Tag   Relevancy-0.169362 %69 %
145Variations in Search Result URL Path   Relevancy-0.169263 %77 %
146Number of CSS Includes   Technology-0.1620876 %69 %
147Variations in Meta Description   Relevancy-0.168263 %66 %
148Number of Main Tags Used-0.161136 %13 %
149Variations in Search Result Document File Name   Relevancy-0.167260 %72 %
150Variations in First 100 Words   Relevancy-0.161801078 %75 %
151Variations in OpenGraph Title   Relevancy-0.163262 %61 %
152Number of Absolute URLs   Authority-0.16106925290 %86 %
153Variations in H1 Tags   Relevancy-0.165268 %64 %
154Variation Density in Top 30KB   Relevancy-0.16303474 %80 %
155Variations in OpenGraph Description   Relevancy-0.166256 %65 %
156Number of Br Tags Used-0.1659855 %13 %
157Number of H3 Tags   Size-0.1634869 %70 %
158Exact Matches in H1-H6 Tags   Relevancy-0.1611229 %66 %
159Number of Strong Tags Used-0.1652750 %13 %
160Variations in the Canonical URL   Relevancy-0.1551263 %77 %
161Number of External Links   Authority-0.153231885 %86 %
162Number of DoFollow External Links   Authority-0.153221684 %85 %
163Leading Variations in Title Tag   Relevancy-0.151139 %59 %
164Number of Questions In Headings   Size-0.1510240 %83 %
165Number of Instagram Pages   Authority-0.1510243 %78 %
166Number Of JSON-LD Types   Relevancy-0.157451562 %82 %
167Has Entities in H2 Tags   Relevancy-0.151159 %68 %
168Number of Meta twitter:card Tags Used-0.152149 %13 %
169LSI Words in H3 Tags   Relevancy-0.151102156 %75 %
170Number of Meta robots Tags Used-0.152141 %11 %
171Variations in Section Tags   Relevancy-0.151262643 %68 %
172Variations Making Whole LI Tags   Relevancy-0.156135 %64 %
173Number of Twitter Accounts   Authority-0.155139 %79 %
174Variations making whole A Tags   Relevancy-0.1515240 %64 %
175LSI Words in H1 Tags   Relevancy-0.1518566 %73 %
176Variations in Search Result URL   Relevancy-0.1519269 %71 %
177TF/IDF   Relevancy-0.151173 %67 %
178H4 Tags Word Count   Relevancy-0.1535936 %12 %
179Number of LinkedIn Pages   Authority-0.153131 %78 %
180Variations in Footer Tags   Relevancy-0.1583942 %70 %
181Leading Variations in H2 Tags   Relevancy-0.156127 %80 %
182Variations in TITLE Attributes   Relevancy-0.1476846 %69 %
183LSI Words in Meta Description Tag   Relevancy-0.14611261 %73 %
184Leading Variations in H1 Tags   Relevancy-0.142135 %74 %
185Title Tag Has Entities   Relevancy-0.141176 %67 %
186Number of Article Tags Used-0.145231 %12 %
187Number of Em Tags Used-0.1420322 %11 %
188Number of H4 Tags Used   Size-0.1415337 %12 %
189Variations Making Whole Span Tags   Relevancy-0.14104226 %68 %
190Entities in H4 Tags-0.1420224 %71 %
191Variations making whole H1, H2, and H3 Tags   Relevancy-0.142119 %60 %
192Number of Facebook Accounts   Authority-0.143135 %76 %
193Variations making whole H1-H6 Tags   Relevancy-0.148121 %61 %
194Has Entities in H3 Tags   Relevancy-0.141150 %68 %
195Uses Schema searchresultspage   Other-0.14112 %15 %
196Has Entities in H1 Tags   Relevancy-0.141165 %65 %
197Number of JavaScript Includes   Technology-0.14461788 %64 %
198Inline JavaScript Kilobytes   Size-0.145627788 %84 %
199Headings Has Question   Other-0.141139 %77 %
200Number of Questions In H2 Tags   Size-0.144124 %79 %