Measures 127950 SEO Factors

126228 Built-In SEO Factors

118600 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 2023-4     previous - today - next

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

NameCorrelation#1 MaxPage 1 AvgUsage %Searches %
1LSI Density   Relevancy-0.33553787 %12 %
2Number of Distinct LSI Words Used   Diversity-0.32106938988 %15 %
3Number of Distinct Yake Words Used   Diversity-0.293507385 %13 %
4Variations   Relevancy-0.292276981 %12 %
5Number of Distinct Entities Used   Diversity-0.27782783 %68 %
6Number of Unique LSI Words Used   Diversity-0.27139332591 %51 %
7Number of Referring Domains   Authority-0.2654887166 %71 %
8Number of Top 100 Shared Factors Used   Diversity-0.26402898 %80 %
9Number of Top 200 Shared Factors Used   Diversity-0.25543898 %80 %
10Number of Backlinks   Authority-0.252084576589166 %71 %
11Variations in Body Tags   Relevancy-0.2511513534686 %71 %
12Variations in HTML Tags   Relevancy-0.2511513534586 %71 %
13Number of No Follow Backlinks   Authority-0.2415870963757 %69 %
14Number of Unique Variations Used   Diversity-0.2430887 %62 %
15Number of Do Follow Backlinks   Authority-0.241967485541958 %69 %
16Number of Top 50 Shared Factors Used   Diversity-0.24171397 %71 %
17Variations in P Tags   Relevancy-0.2322983675 %70 %
18Number of Factors Used   Diversity-0.2350919798 %80 %
19Variations in Div Tags   Relevancy-0.233888415383 %70 %
20Variations in H1, H2, and H3 Tags   Relevancy-0.23193775 %70 %
21Variations in H1-H6 Tags   Relevancy-0.23214876 %70 %
22Variations in Sentences   Relevancy-0.2225443877 %70 %
23Variations in A Tags   Relevancy-0.2263073074 %69 %
24Entities in the HTML Tag   Relevancy-0.2277211873 %73 %
25Entities in Sentences   Relevancy-0.2246111272 %73 %
26Variations in Search Result Display URL   Relevancy-0.223283 %66 %
27Variations in H1 and H2 Tags   Relevancy-0.21122572 %69 %
28Variations in LI Tags   Relevancy-0.2127002273 %70 %
29Term Frequency   Relevancy-0.216385 %69 %
30Clean Text Kilobytes   Size-0.214011388 %77 %
31Unabridged Word Count   Size-0.2185430209191 %69 %
32Entities in H2 Tags-0.2139654 %66 %
33Entities in Title Tag   Relevancy-0.218371 %63 %
34Word Count   Size-0.217930145991 %68 %
35Has JSON-LD Schema Markup   Relevancy-0.21154 %60 %
36Number of Includes   Technology-0.2442284 %57 %
37Number of Facebook Pages   Authority-0.27264 %64 %
38Number of CSS Includes   Technology-0.217875 %55 %
39Number of HTML Tags   Size-0.23705103192 %68 %
40Variations in Search Result Link Text   Relevancy-0.23283 %58 %
41Variations in H2 Tags   Relevancy-0.2115450 %68 %
42Load Time Milliseconds   Performance-0.244458187792 %72 %
43Variations in ALT Attributes   Relevancy-0.2468851 %67 %
44Entities in H3 Tags-0.239644 %66 %
45Variation Density in Top 30KB   Relevancy-0.19352470 %69 %
46Variations in the Title Tag   Relevancy-0.1912275 %59 %
47Number of Sentences   Size-0.1969510190 %68 %
48Leading Variations in H1-H6 Tags   Relevancy-0.1931250 %65 %
49Clean Keyword Density in the HTML Tag   Relevancy-0.19185478 %60 %
50Leading Variations in H1, H2, and H3 Tags   Relevancy-0.1927247 %65 %
51Variations in Script Tags   Relevancy-0.19425759566 %70 %
52Variations in A Tag HREF Attributes   Relevancy-0.1952544567 %70 %
53Variations in Distinct A Tag HREF Attributes   Relevancy-0.1938843067 %70 %
54Number of HTTPS Links   Authority-0.1949115389 %74 %
55Number of Internal Links   Authority-0.1948013989 %73 %
56LSI Words in Sentences   Relevancy-0.19425163667 %73 %
57Variations in First 100 Words   Relevancy-0.18215869 %66 %
58Number of Images with ALT Text   Size-0.181042283 %74 %
59Number of Heading Tags   Size-0.18862187 %67 %
60Number of P Tags   Size-0.186433886 %68 %
61Number of Links   Authority-0.1849215689 %66 %
62Number of DoFollow Links   Authority-0.1847615089 %74 %
63Number of Images   Size-0.183693388 %68 %
64Exact Matches in the HTML Tag   Relevancy-0.182791340 %66 %
65Variations in Span Tags   Relevancy-0.188371056 %68 %
66Number of Questions   Size-0.1853868 %75 %
67Page Size Kilobytes   Size-0.18136222392 %73 %
68Variations in Meta Description   Relevancy-0.1831258 %62 %
69Variations in Search Result URL Path   Relevancy-0.1813254 %68 %
70Variations in H1 Tags   Relevancy-0.1814263 %61 %
71Variations in the Canonical URL   Relevancy-0.1854254 %70 %
72Variations in Main Tags   Relevancy-0.18189697536 %66 %
73Variations in Absolute URLs   Relevancy-0.17100896968 %76 %
74Variations in H3 Tags   Relevancy-0.1771336 %68 %
75Number of Absolute URLs   Authority-0.1790723591 %71 %
76Search Result Domain is .com, .net, or .org   Other-0.17113 %52 %
77Number of H2 Tags   Size-0.1718776 %68 %
78Variation Count in Top 30KB   Relevancy-0.1760194376 %64 %
79Number of Instagram Pages   Authority-0.1727242 %68 %
80Entities in H1 Tags-0.179259 %62 %
81Number Of JSON-LD Types   Relevancy-0.17821159 %70 %
82Variations in Nav Tags   Relevancy-0.17131073549 %66 %
83Number of Twitter Accounts   Authority-0.1712139 %64 %
84Variations in Search Result URL   Relevancy-0.1622260 %63 %
85Number of Questions In Headings   Size-0.167237 %68 %
86TF/IDF   Relevancy-0.161165 %63 %
87Number of H3 Tags   Size-0.1627867 %66 %
88Search Result Domain is .com   Other-0.16113 %57 %
89Variations in OpenGraph Title   Relevancy-0.168156 %58 %
90Variations in Search Result Document File Name   Relevancy-0.1610253 %63 %
91Number of Facebook Accounts   Authority-0.164133 %64 %
92Leading Variations in H1 Tags   Relevancy-0.162131 %62 %
93Entities in Meta Description Tag   Relevancy-0.1622356 %62 %
94Variations in TITLE Attributes   Relevancy-0.16406742 %66 %
95Leading Variations in Title Tag   Relevancy-0.161135 %55 %
96Number of External Links   Authority-0.16811786 %68 %
97Has Entities in H2 Tags   Relevancy-0.161155 %62 %
98Variations in OpenGraph Description   Relevancy-0.16112250 %61 %
99Variations in Section Tags   Relevancy-0.166161838 %65 %
100Number of LinkedIn Pages   Authority-0.153124 %64 %
101Leading Variations in H2 Tags   Relevancy-0.1515124 %69 %
102Inline JavaScript Kilobytes   Size-0.154726089 %70 %
103Percentage of DoFollow Internal Links   Authority-0.15947888 %66 %
104Has FavIcon   Technology-0.151178 %63 %
105Search Result Number of Dirs in Path   Other-0.154278 %56 %
106Exact Matches in H1-H6 Tags   Relevancy-0.1512227 %66 %
107Headings Has Question   Other-0.151136 %64 %
108Number of DoFollow External Links   Authority-0.15631584 %66 %
109Variations in Footer Tags   Relevancy-0.151382733 %62 %
110Exact Matches in Sentences   Relevancy-0.1545328 %67 %
111LSI Words in Title Tag   Relevancy-0.1516565 %70 %
112LSI Words in H2 Tags   Relevancy-0.151211754 %72 %
113Flesch Kincaid Reading Grade Level   Other-0.157395 %63 %
114Entities in H4 Tags-0.1520223 %62 %
115Title Tag Has Entities   Relevancy-0.151171 %57 %
116Has Entities in H1 Tags   Relevancy-0.151161 %58 %
117Uses Schema name   Other-0.151165 %56 %
118Number of Nofollow Links   Authority-0.1583732 %67 %
119Number of Questions In H2 Tags   Size-0.154122 %67 %
120Variations Making Whole LI Tags   Relevancy-0.154126 %59 %
121Variations making whole A Tags   Relevancy-0.1525232 %60 %
122Uses JSON-LD name-0.141155 %56 %
123Has Entities in H3 Tags   Relevancy-0.141145 %60 %
124Variations in Strong Tags   Relevancy-0.1427230 %61 %
125Number of Prices   Size-0.1447496072 %68 %
126Exact Matches in Top 30KB   Relevancy-0.1430226 %63 %
127Variations in the last 100 words   Relevancy-0.14187449 %64 %
128Number of Social Pages   Authority-0.1432470 %64 %
129Number of JavaScript Includes   Technology-0.14311688 %58 %
130Has Schema Markup   Relevancy-0.141169 %61 %
131Number of US Phone Numbers   Trust-0.141841046 %64 %
132Title Has Sales Words   Other-0.141112 %60 %
133Variations Making Whole Span Tags   Relevancy-0.1454121 %62 %
134Title Word Count   Size-0.1416989 %53 %
135Leading Variations in H3 Tags   Relevancy-0.1411116 %68 %
136Uses Schema faqpage   Other-0.14117 %52 %
137Uses JSON-LD FAQPage   Other-0.14116 %53 %
138Variations in Article Tags   Relevancy-0.148541629 %60 %
139Has US Phone Number   Trust-0.141144 %51 %
140Uses Schema question   Other-0.14118 %52 %
141Has Privacy Policy   Trust-0.141158 %62 %
142Number of HTML Comments   Size-0.142913778 %61 %
143Uses JSON-LD Question   Other-0.14117 %50 %
144Number of Images without ALT Text   Size-0.143631268 %65 %
145Uses Schema answer   Other-0.14117 %50 %
146Uses JSON-LD text   Other-0.14117 %50 %
147Has Contact Page   Trust-0.141165 %52 %
148Has Canonical URL   Authority-0.141176 %62 %
149Inline CSS Kilobytes   Size-0.141295066 %68 %
150Number of Social Accounts   Authority-0.1313253 %64 %
151Number of NoFollow External Links   Authority-0.1335321 %68 %
152Number of Questions In H3 Tags   Size-0.134115 %65 %
153Uses JSON-LD Answer   Other-0.13116 %48 %
154Uses Schema listitem   Other-0.131143 %53 %
155Uses Schema breadcrumblist   Other-0.131142 %54 %
156Uses JSON-LD url   Other-0.131149 %53 %
157Variations in I Tags   Relevancy-0.13183530 %59 %
158Variations making whole H1-H6 Tags   Relevancy-0.132117 %57 %
159Title Has Sentiment Words   Other-0.131120 %57 %
160Variations in H4-H6 Tags   Relevancy-0.1333221 %61 %
161Uses JSON-LD ListItem   Other-0.131137 %52 %
162Meta Description Tag Has Entities   Relevancy-0.131157 %56 %
163Exact Matches in A Tags   Relevancy-0.1325222 %65 %
164Uses Schema description   Other-0.131150 %47 %
165Uses Schema text   Other-0.131112 %52 %
166Uses JSON-LD description   Other-0.131144 %48 %
167Variations in Search Result Summary   Relevancy-0.1348382 %45 %
168Number of Forms   Technology-0.1316365 %56 %
169Percentage of DoFollow Links   Authority-0.131009089 %64 %
170Uses JSON-LD BreadcrumbList   Other-0.131135 %53 %
171Meta Description Length   Size-0.1368112170 %61 %
172LSI Words in H3 Tags   Relevancy-0.131131647 %71 %
173Uses Schema url   Other-0.131158 %51 %
174Is Home Page   Other-0.131117 %36 %
175Number of HREF Lang Tags   Size-0.1320210 %62 %
176Has Terms of Service   Trust-0.131135 %58 %
177Has Meta Charset   Technology-0.131182 %51 %
178Word Count in Meta Description   Size-0.131062070 %57 %
179Exact Matches in Title Tag   Relevancy-0.132123 %58 %
180Title Length   Size-0.131115590 %52 %
181Variations making whole H1, H2, and H3 Tags   Relevancy-0.131115 %57 %
182Variations in ID Attributes   Relevancy-0.13554212 %65 %
183Uses JSON-LD Organization   Other-0.131131 %54 %
184Uses JSON-LD datePublished   Other-0.131137 %48 %
185Percentage of NoFollow Links   Authority-0.1322330 %63 %
186Variations in H4 Tags   Relevancy-0.1327116 %60 %
187Uses Schema organization   Other-0.131136 %52 %
188Number of H4 Tags   Size-0.1361443 %61 %
189LSI Words in H1 Tags   Relevancy-0.1314456 %67 %
190Average Words Per Sentence   Size-0.132943889 %60 %
191Has Meta Description   Relevancy-0.131171 %53 %
192Is Purchase Page   Other-0.131144 %57 %
193Uses Schema webpage   Other-0.131137 %43 %
194Has OpenGraph Type   Relevancy-0.131164 %54 %
195Uses JSON-LD ItemList   Other-0.13113 %37 %
196Uses Schema datepublished   Other-0.131140 %46 %
197Has Apple Touch Icon   Technology-0.131149 %57 %
198Number of H1 Tags   Size-0.134280 %58 %
199Number of Email Addresses   Trust-0.1397443 %63 %
200Is Pagination Page   Other-0.131116 %54 %