Measures 125816 SEO Factors

124094 Built-In SEO Factors

116494 On-page SEO Factors

7600 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 ( 52560 )
Relevancy SEO Factors ( 51083 )
Other SEO Factors ( 21903 )
Local SEO Factors ( 7467 )
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 ( 52556 )
Keywords SEO Factors ( 39490 )
Schema SEO Factors ( 21849 )
LSI SEO Factors ( 8182 )
Local SEO Factors ( 7468 )
Entities SEO Factors ( 3389 )
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 2023-3     previous - today - next

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

NameCorrelation#1 MaxPage 1 AvgUsage %Searches %
1Number of Unique LSI Words Used   Diversity-0.28118932291 %53 %
2Number of Distinct Entities Used   Diversity-0.28672684 %71 %
3Number of Top 100 Shared Factors Used   Diversity-0.26403098 %81 %
4Number of Top 200 Shared Factors Used   Diversity-0.25534098 %81 %
5Variations in Body Tags   Relevancy-0.255437426288 %76 %
6Number of Unique Variations Used   Diversity-0.25118889 %67 %
7Variations in HTML Tags   Relevancy-0.255437426187 %76 %
8Number of Referring Domains   Authority-0.2466717663 %69 %
9Number of Top 50 Shared Factors Used   Diversity-0.24191397 %74 %
10Number of Backlinks   Authority-0.231801473571463 %69 %
11Variations in P Tags   Relevancy-0.2313163476 %76 %
12Variations in H1-H6 Tags   Relevancy-0.23140877 %74 %
13Number of Factors Used   Diversity-0.2353419798 %79 %
14Variations in H1, H2, and H3 Tags   Relevancy-0.23119776 %74 %
15Entities in the HTML Tag   Relevancy-0.2362711074 %79 %
16Entities in Sentences   Relevancy-0.2349310573 %79 %
17Variations in Div Tags   Relevancy-0.232129613185 %76 %
18Variations in Sentences   Relevancy-0.2320723979 %76 %
19Number of No Follow Backlinks   Authority-0.231774744220956 %68 %
20Variations in Search Result Display URL   Relevancy-0.2212285 %69 %
21Number of Do Follow Backlinks   Authority-0.22221954420354 %67 %
22Variations in A Tags   Relevancy-0.2232492775 %75 %
23Variations in H1 and H2 Tags   Relevancy-0.2262574 %73 %
24Variations in LI Tags   Relevancy-0.2213382175 %75 %
25Variations in Search Result Link Text   Relevancy-0.2112285 %62 %
26Term Frequency   Relevancy-0.216387 %74 %
27Clean Text Kilobytes   Size-0.211341288 %79 %
28Entities in H2 Tags-0.2137652 %70 %
29Unabridged Word Count   Size-0.2127434194792 %73 %
30Word Count   Size-0.217018144292 %73 %
31Number of Includes   Technology-0.2522283 %62 %
32Clean Keyword Density in the HTML Tag   Relevancy-0.2191479 %65 %
33Variations in H2 Tags   Relevancy-0.254450 %73 %
34Entities in Title Tag   Relevancy-0.28371 %68 %
35Variation Density in Top 30KB   Relevancy-0.2306370 %74 %
36Variations in the Title Tag   Relevancy-0.213276 %64 %
37Entities in H3 Tags-0.1935542 %70 %
38Number of HTML Tags   Size-0.192969104692 %72 %
39Number of CSS Includes   Technology-0.1918875 %60 %
40Has JSON-LD Schema Markup   Relevancy-0.191152 %63 %
41LSI Words in Sentences   Relevancy-0.19348361366 %78 %
42Variations in Search Result URL Path   Relevancy-0.1924257 %70 %
43Load Time Milliseconds   Performance-0.1925407175892 %76 %
44Leading Variations in H1-H6 Tags   Relevancy-0.1918251 %72 %
45Leading Variations in H1, H2, and H3 Tags   Relevancy-0.1915249 %71 %
46Exact Matches in the HTML Tag   Relevancy-0.196801844 %72 %
47Number of Facebook Pages   Authority-0.1911264 %64 %
48Number of Sentences   Size-0.19107210490 %73 %
49Variations in ALT Attributes   Relevancy-0.19107952 %72 %
50Variations in Distinct A Tag HREF Attributes   Relevancy-0.1914583069 %74 %
51Variations in First 100 Words   Relevancy-0.19191871 %71 %
52Variations in A Tag HREF Attributes   Relevancy-0.1918404569 %74 %
53Number of P Tags   Size-0.189703887 %73 %
54Search Result Domain is .com, .net, or .org   Other-0.18113 %53 %
55Number of Questions   Size-0.181391068 %76 %
56Variations in Script Tags   Relevancy-0.18133896868 %73 %
57Number of HTTPS Links   Authority-0.1852415589 %74 %
58Variations in Span Tags   Relevancy-0.184491057 %72 %
59Number of Internal Links   Authority-0.1848514089 %73 %
60Variations in the Canonical URL   Relevancy-0.1838256 %72 %
61Number of Heading Tags   Size-0.181292188 %72 %
62Search Result Domain is .com   Other-0.18113 %56 %
63Number of DoFollow Links   Authority-0.1852215290 %73 %
64Number of Links   Authority-0.1850715890 %70 %
65Variations in H3 Tags   Relevancy-0.1857336 %72 %
66Variations in Meta Description   Relevancy-0.189258 %68 %
67Variations in H1 Tags   Relevancy-0.189265 %65 %
68Number of Images with ALT Text   Size-0.182952282 %76 %
69Exact Matches in H1-H6 Tags   Relevancy-0.1711231 %71 %
70Number of Images   Size-0.173073288 %71 %
71Variations in Search Result URL   Relevancy-0.1714263 %66 %
72Variations in Main Tags   Relevancy-0.17101046737 %72 %
73Variations in Absolute URLs   Relevancy-0.1742646670 %78 %
74Page Size Kilobytes   Size-0.1773322692 %75 %
75Entities in H1 Tags-0.1711258 %64 %
76Variations in Nav Tags   Relevancy-0.1743662449 %71 %
77Number of Absolute URLs   Authority-0.1784024191 %73 %
78Leading Variations in Title Tag   Relevancy-0.171138 %63 %
79Leading Variations in H1 Tags   Relevancy-0.172133 %66 %
80Number of Instagram Pages   Authority-0.1714241 %69 %
81Exact Matches in Sentences   Relevancy-0.17576431 %72 %
82Variation Count in Top 30KB   Relevancy-0.1760823177 %70 %
83Variations in Search Result Document File Name   Relevancy-0.174256 %65 %
84TF/IDF   Relevancy-0.161166 %67 %
85Variations in OpenGraph Description   Relevancy-0.1646251 %66 %
86Variations in OpenGraph Title   Relevancy-0.164258 %62 %
87Number of Questions In Headings   Size-0.1612237 %69 %
88Number of H2 Tags   Size-0.1618776 %71 %
89Number of Twitter Accounts   Authority-0.163138 %64 %
90Exact Matches in Top 30KB   Relevancy-0.1628329 %64 %
91LSI Words in Title Tag   Relevancy-0.1620564 %76 %
92Leading Variations in H2 Tags   Relevancy-0.167124 %72 %
93Number Of JSON-LD Types   Relevancy-0.15741159 %72 %
94Entities in Meta Description Tag   Relevancy-0.1515356 %65 %
95Exact Matches in Title Tag   Relevancy-0.153128 %66 %
96Variations in TITLE Attributes   Relevancy-0.15215843 %69 %
97Variations in Section Tags   Relevancy-0.157531939 %70 %
98Number of H3 Tags   Size-0.1526867 %70 %
99Has Entities in H2 Tags   Relevancy-0.151154 %65 %
100Variations making whole A Tags   Relevancy-0.1538232 %66 %
101Number of External Links   Authority-0.152281886 %67 %
102Percentage of DoFollow Internal Links   Authority-0.15967889 %69 %
103Variations in Footer Tags   Relevancy-0.151570834 %68 %
104Inline JavaScript Kilobytes   Size-0.154486389 %70 %
105Has FavIcon   Technology-0.151178 %63 %
106Variations in Strong Tags   Relevancy-0.1554331 %68 %
107Has Entities in H1 Tags   Relevancy-0.151161 %61 %
108Variations in the last 100 words   Relevancy-0.15190450 %68 %
109Search Result Number of Dirs in Path   Other-0.154280 %59 %
110Variations Making Whole LI Tags   Relevancy-0.155127 %63 %
111Title Tag Has Entities   Relevancy-0.151172 %62 %
112Number of Facebook Accounts   Authority-0.153131 %63 %
113Exact Matches in A Tags   Relevancy-0.1542325 %71 %
114Number of Questions In H2 Tags   Size-0.155122 %69 %
115LSI Words in H2 Tags   Relevancy-0.15891652 %77 %
116Variations Making Whole Span Tags   Relevancy-0.149121 %68 %
117Number of Nofollow Links   Authority-0.14121733 %70 %
118Flesch Kincaid Reading Grade Level   Other-0.147394 %68 %
119Entities in H4 Tags-0.1426222 %67 %
120Uses Schema name   Other-0.141164 %57 %
121Uses Schema question   Other-0.14117 %55 %
122Has Schema Markup   Relevancy-0.141169 %63 %
123Uses Schema faqpage   Other-0.14117 %55 %
124Uses Schema answer   Other-0.14117 %54 %
125Number of LinkedIn Pages   Authority-0.143125 %63 %
126Number of Prices   Size-0.1419365973 %68 %
127Number of DoFollow External Links   Authority-0.142251584 %63 %
128Variations making whole H1-H6 Tags   Relevancy-0.143118 %64 %
129Has Entities in H3 Tags   Relevancy-0.141145 %65 %
130Exact Matches in H1 Tags   Relevancy-0.142122 %65 %
131Headings Has Question   Other-0.141136 %66 %
132Variations in Article Tags   Relevancy-0.142991729 %64 %
133Uses JSON-LD text   Other-0.14116 %54 %
134Exact Matches in H2 Tags   Relevancy-0.145116 %70 %
135Uses JSON-LD FAQPage   Other-0.14116 %55 %
136Variations in I Tags   Relevancy-0.14176531 %66 %
137Uses JSON-LD Question   Other-0.14116 %54 %
138Leading Variations in H3 Tags   Relevancy-0.148116 %70 %
139Uses JSON-LD Answer   Other-0.14116 %52 %
140Number of JavaScript Includes   Technology-0.14351688 %62 %
141Number of HTML Comments   Size-0.147193678 %63 %
142Has Privacy Policy   Trust-0.131157 %62 %
143Number of Social Pages   Authority-0.1325571 %63 %
144Variations making whole H1, H2, and H3 Tags   Relevancy-0.132116 %62 %
145Number of NoFollow External Links   Authority-0.13120422 %69 %
146Has Meta Charset   Technology-0.131182 %56 %
147LSI Words in H3 Tags   Relevancy-0.131191646 %76 %
148Variations in H4-H6 Tags   Relevancy-0.1322221 %65 %
149Number of HREF Lang Tags   Size-0.1319211 %66 %
150Uses Schema listitem   Other-0.131143 %55 %
151Inline CSS Kilobytes   Size-0.131554966 %68 %
152Uses Schema text   Other-0.131111 %56 %
153LSI Words in H1 Tags   Relevancy-0.1320455 %72 %
154Number of Social Accounts   Authority-0.136253 %64 %
155Uses JSON-LD name   Other-0.131149 %60 %
156Is Purchase Page   Other-0.131146 %58 %
157Uses Schema breadcrumblist   Other-0.131142 %56 %
158Number of Images without ALT Text   Size-0.131661168 %67 %
159Number of Questions In H3 Tags   Size-0.137116 %67 %
160Number of US Phone Numbers   Trust-0.13323940 %65 %
161Average Words Per Sentence   Size-0.132853889 %58 %
162Percentage of NoFollow Links   Authority-0.1322431 %65 %
163Number of Forms   Technology-0.1318368 %58 %
164Uses Schema url   Other-0.131157 %54 %
165Variations in H4 Tags   Relevancy-0.1316116 %64 %
166Has Terms of Service   Trust-0.131135 %58 %
167Is Store Page   Other-0.131147 %57 %
168Number of H4 Tags   Size-0.12115444 %65 %
169Variations making whole H1 Tags   Relevancy-0.121111 %60 %
170Percentage of DoFollow Links   Authority-0.12999089 %66 %
171Variations in Search Result Summary   Relevancy-0.1246385 %45 %
172Meta Description Tag Has Entities   Relevancy-0.121157 %59 %
173Uses Schema description   Other-0.121149 %51 %
174Has Canonical URL   Authority-0.121177 %61 %
175Has Contact Page   Trust-0.121165 %54 %
176Exact Matches in Meta Description   Relevancy-0.122118 %67 %
177Title Word Count   Size-0.1219990 %56 %
178Uses JSON-LD headline   Other-0.121117 %45 %
179Uses JSON-LD url   Other-0.121147 %56 %
180Title Has Sales Words   Other-0.121113 %60 %
181Variations in ID Attributes   Relevancy-0.12365213 %69 %
182Uses JSON-LD ListItem   Other-0.121137 %54 %
183Uses Schema person   Other-0.121122 %46 %
184LSI Words in Meta Description Tag   Relevancy-0.1238950 %74 %
185Search Result Domain Length   Size-0.12281892 %56 %
186Search Result Uses HTTPS   Other-0.121191 %66 %
187Uses JSON-LD BreadcrumbList   Other-0.121136 %56 %
188Has US Phone Number   Trust-0.121138 %52 %
189Search Result Host Length   Size-0.12281892 %54 %
190Variations in B Tags   Relevancy-0.1225315 %64 %
191Percentage of NoFollow Internal Links   Authority-0.1215219 %62 %
192Is Pagination Page   Other-0.121118 %57 %
193Uses Schema headline   Other-0.121121 %44 %
194Has Apple Touch Icon   Technology-0.121149 %60 %
195Variations in Figure Tags   Relevancy-0.12371813 %65 %
196Has Meta Twitter Card   Authority-0.121150 %54 %
197Percentage of NoFollow External Links   Authority-0.1213220 %65 %
198Uses Schema datepublished   Other-0.121140 %47 %
199Has Meta Viewport   Technology-0.121185 %60 %
200Word Count in Meta Description   Size-0.122362070 %61 %