Measures 132979 SEO Factors

131257 Built-In SEO Factors

123086 On-page SEO Factors

8171 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 ( 53567 )
Relevancy SEO Factors ( 52564 )
Other SEO Factors ( 24046 )
Local SEO Factors ( 8000 )
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 ( 53563 )
Keywords SEO Factors ( 40679 )
Schema SEO Factors ( 23992 )
LSI SEO Factors ( 8388 )
Local SEO Factors ( 8001 )
Entities SEO Factors ( 3475 )
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 2024-9     previous

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-0.25102726886 %72 %
2Search Result Domain is .com, .net, or .org   Other-0.25115 %74 %
3Number of Distinct Entities Used   Diversity-0.24883079 %92 %
4Search Result Domain is .com   Other-0.24115 %74 %
5Number of Unique Variations Used   Diversity-0.2432983 %88 %
6Load Time Milliseconds   Performance-0.2213713154687 %89 %
7Variations in Body Tags   Relevancy-0.217005537683 %91 %
8Variations in HTML Tags   Relevancy-0.217005537683 %91 %
9Number of Top 200 Shared Factors Used   Diversity-0.21534197 %90 %
10Entities in the HTML Tag   Relevancy-0.2165213874 %94 %
11Number of Top 100 Shared Factors Used   Diversity-0.21403197 %91 %
12Entities in Sentences   Relevancy-0.2162113473 %94 %
13Entities in Title Tag   Relevancy-0.219371 %88 %
14Variations in Div Tags   Relevancy-0.211937016780 %89 %
15Variations in Search Result Display URL   Relevancy-0.23286 %75 %
16Variations in Search Result Link Text   Relevancy-0.23286 %73 %
17Variations in H1, H2, and H3 Tags   Relevancy-0.2171873 %89 %
18Variations in H1-H6 Tags   Relevancy-0.2206974 %89 %
19Variations in Sentences   Relevancy-0.248375079 %90 %
20Variations in P Tags   Relevancy-0.233814274 %89 %
21Number of Top 50 Shared Factors Used   Diversity-0.2161396 %88 %
22Variations in H1 and H2 Tags   Relevancy-0.281571 %87 %
23Number of Factors Used   Diversity-0.240519297 %87 %
24Number of Referring Domains   Authority-0.2112076850 %73 %
25Variations in Search Result Document File Name   Relevancy-0.27256 %80 %
26Entities in H2 Tags-0.1932754 %90 %
27Number of Backlinks   Authority-0.193005253523350 %74 %
28Leading Variations in H1, H2, and H3 Tags   Relevancy-0.1918249 %84 %
29Variations in A Tags   Relevancy-0.1927213173 %87 %
30Leading Variations in H1-H6 Tags   Relevancy-0.1922252 %84 %
31Variations in LI Tags   Relevancy-0.1915612772 %88 %
32Number of Do Follow Backlinks   Authority-0.19158085259343 %72 %
33Variations in H2 Tags   Relevancy-0.1971452 %85 %
34Entities in H1 Tags-0.1929259 %85 %
35Variations in Search Result URL Path   Relevancy-0.199259 %79 %
36Term Frequency   Relevancy-0.196383 %88 %
37Variations in Search Result URL   Relevancy-0.1917268 %76 %
38Variations in Distinct A Tag HREF Attributes   Relevancy-0.1911713770 %88 %
39Variations in A Tag HREF Attributes   Relevancy-0.1820095770 %88 %
40Number of No Follow Backlinks   Authority-0.182963884257142 %74 %
41Variations in the Canonical URL   Relevancy-0.188259 %81 %
42Variations in H1 Tags   Relevancy-0.1810262 %79 %
43Variations in First 100 Words   Relevancy-0.18159974 %81 %
44Variations in the Title Tag   Relevancy-0.1837274 %78 %
45Variations in Absolute URLs   Relevancy-0.1880937971 %88 %
46Number of HTML Tags   Size-0.18480599987 %85 %
47Variations in Meta Description   Relevancy-0.176261 %81 %
48Entities in H3 Tags-0.1741644 %91 %
49Unabridged Word Count   Size-0.177332172387 %87 %
50Variations in Script Tags   Relevancy-0.17122279769 %87 %
51Word Count   Size-0.174754137987 %86 %
52Clean Keyword Density in the HTML Tag   Relevancy-0.17197577 %79 %
53Entities in Meta Description Tag   Relevancy-0.179359 %84 %
54Number of Sentences   Size-0.17126912485 %86 %
55Variations in Span Tags   Relevancy-0.176771358 %87 %
56Clean Text Kilobytes   Size-0.17491281 %87 %
57Number of Includes   Technology-0.17552482 %73 %
58Variation Density in Top 30KB   Relevancy-0.17261372 %81 %
59Variations in OpenGraph Title   Relevancy-0.165258 %73 %
60LSI Words in Sentences   Relevancy-0.16300958662 %94 %
61Leading Variations in H1 Tags   Relevancy-0.162132 %78 %
62Variations in ALT Attributes   Relevancy-0.16206850 %85 %
63Number of Questions   Size-0.161761068 %86 %
64Variations in Nav Tags   Relevancy-0.1632072751 %82 %
65Leading Variations in Title Tag   Relevancy-0.161136 %75 %
66Number of HTTPS Links   Authority-0.1667913883 %84 %
67Number of Images   Size-0.165513081 %83 %
68Number of Links   Authority-0.1667914084 %83 %
69Exact Matches in the HTML Tag   Relevancy-0.163481031 %85 %
70Variations in OpenGraph Description   Relevancy-0.165253 %78 %
71Number of Internal Links   Authority-0.1656812483 %84 %
72Has Entities in H1 Tags   Relevancy-0.161159 %78 %
73Variations in H3 Tags   Relevancy-0.1692340 %85 %
74Leading Variations in H2 Tags   Relevancy-0.168125 %83 %
75Number of DoFollow Links   Authority-0.1647213584 %84 %
76Number of Images with ALT Text   Size-0.165442176 %83 %
77Number of P Tags   Size-0.162143680 %83 %
78Page Size Kilobytes   Size-0.1583625287 %84 %
79Variations in Main Tags   Relevancy-0.15160858738 %83 %
80Number of Heading Tags   Size-0.15692181 %83 %
81Variations Making Whole Span Tags   Relevancy-0.1510124 %78 %
82Number of Absolute URLs   Authority-0.1598825487 %83 %
83Number of CSS Includes   Technology-0.1520874 %69 %
84Number of H2 Tags   Size-0.1516771 %82 %
85Has JSON-LD Schema Markup   Relevancy-0.151156 %72 %
86Number of Facebook Pages   Authority-0.157262 %76 %
87Variation Count in Top 30KB   Relevancy-0.1549323274 %82 %
88TF/IDF   Relevancy-0.151170 %80 %
89Variations in Section Tags   Relevancy-0.1513062441 %81 %
90Number of Questions In Headings   Size-0.158236 %84 %
91Variations making whole H1-H6 Tags   Relevancy-0.159119 %74 %
92Variations in Footer Tags   Relevancy-0.1529121039 %81 %
93Variations Making Whole LI Tags   Relevancy-0.149129 %75 %
94Title Tag Has Entities   Relevancy-0.141170 %80 %
95Variations making whole A Tags   Relevancy-0.1425235 %75 %
96Variations in Button Tags   Relevancy-0.141326412 %78 %
97Number Of JSON-LD Types   Relevancy-0.141061459 %80 %
98Number of Instagram Pages   Authority-0.1414244 %74 %
99Variations making whole H1, H2, and H3 Tags   Relevancy-0.144117 %74 %
100Uses JSON-LD SearchResultsPage   Other-0.14112 %12 %
101Uses Schema searchresultspage   Other-0.14112 %12 %
102Number of H3 Tags   Size-0.1438864 %82 %
103Has Entities in H2 Tags   Relevancy-0.141154 %80 %
104Number of Prices   Size-0.146186169 %83 %
105Number of External Links   Authority-0.141571780 %80 %
106Variations in the last 100 words   Relevancy-0.14161557 %79 %
107Search Result Number of Dirs in Path   Other-0.144277 %74 %
108Variations in TITLE Attributes   Relevancy-0.14110741 %81 %
109LSI Words in Title Tag   Relevancy-0.1422562 %90 %
110Inline JavaScript Kilobytes   Size-0.145518184 %80 %
111Exact Matches in H1-H6 Tags   Relevancy-0.1414121 %83 %
112Number of DoFollow External Links   Authority-0.141421479 %78 %
113Number of HTML Comments   Size-0.144263973 %79 %
114Uses JSON-LD mainEntity   Other-0.14112 %12 %
115Entities in H4 Tags-0.1429221 %83 %
116Search Result URL Length   Size-0.14976396 %51 %
117Variations in Strong Tags   Relevancy-0.14117331 %78 %
118Inline CSS Kilobytes   Size-0.141665664 %78 %
119Number of Nofollow Links   Authority-0.14257628 %75 %
120Number of JavaScript Includes   Technology-0.13361684 %74 %
121Percentage of DoFollow Internal Links   Authority-0.13937483 %76 %
122LSI Words in H2 Tags   Relevancy-0.13741752 %92 %
123Number of LinkedIn Pages   Authority-0.135129 %75 %
124Leading Variations in H3 Tags   Relevancy-0.1310118 %79 %
125Meta Description Tag Has Entities   Relevancy-0.131159 %75 %
126Uses Schema itemlist   Other-0.13114 %45 %
127Uses JSON-LD ItemList   Other-0.13114 %43 %
128Number of Questions In H2 Tags   Size-0.134123 %76 %
129Headings Has Question   Other-0.131136 %76 %
130Number of H1 Tags   Size-0.1318274 %77 %
131Number of Twitter Accounts   Authority-0.134133 %73 %
132Number of Forms   Technology-0.1316258 %73 %
133Number of US Phone Numbers   Trust-0.1311451143 %75 %
134Percentage of DoFollow Links   Authority-0.13998683 %82 %
135Variations in Value Attributes   Relevancy-0.1349216 %71 %
136Has Entities in H3 Tags   Relevancy-0.131145 %80 %
137Exact Matches in Top 30KB   Relevancy-0.1330218 %76 %
138Uses Schema answer   Other-0.13118 %62 %
139Exact Matches in Sentences   Relevancy-0.1374322 %86 %
140Variations in B Tags   Relevancy-0.1358415 %74 %
141Flesch Kincaid Reading Grade Level   Other-0.137294 %80 %
142Number of Facebook Accounts   Authority-0.133131 %70 %
143Variations in Search Result Summary   Relevancy-0.1345387 %66 %
144Uses JSON-LD Answer   Other-0.13117 %61 %
145Word Count in Meta Description   Size-0.13752069 %74 %
146Variations in ID Attributes   Relevancy-0.13581317 %82 %
147Has Privacy Policy   Trust-0.131162 %73 %
148Uses JSON-LD Question   Other-0.13117 %61 %
149Uses Schema question   Other-0.13118 %62 %
150Variations in Article Tags   Relevancy-0.1318341725 %70 %
151Uses Schema faqpage   Other-0.13117 %63 %
152Uses JSON-LD text   Other-0.13117 %62 %
153LSI Words in H1 Tags   Relevancy-0.1239453 %89 %
154Number of Images without ALT Text   Size-0.12801061 %80 %
155Uses JSON-LD FAQPage   Other-0.12116 %61 %
156Title Word Count   Size-0.1219885 %68 %
157LSI Words in Meta Description Tag   Relevancy-0.1231951 %88 %
158Percentage of NoFollow Links   Authority-0.1226326 %71 %
159Meta Description Length   Size-0.1242212469 %74 %
160Variations in Style Tags   Relevancy-0.12284384620 %78 %
161Variations in H4-H6 Tags   Relevancy-0.1236221 %77 %
162Uses JSON-LD State   Other-0.12113 %17 %
163Number of Social Pages   Authority-0.1215467 %78 %
164Number of Questions In H3 Tags   Size-0.124116 %81 %
165Uses Schema state   Other-0.12114 %17 %
166Variations in H4 Tags   Relevancy-0.1225116 %75 %
167Percentage of NoFollow Internal Links   Authority-0.1216216 %69 %
168Has Canonical URL   Authority-0.121173 %72 %
169LSI Words in H3 Tags   Relevancy-0.12941645 %90 %
170Exact Matches in Title Tag   Relevancy-0.122118 %77 %
171Percentage of DoFollow External Links   Authority-0.12261277 %70 %
172Variations in I Tags   Relevancy-0.12208528 %73 %
173Has Meta Description   Relevancy-0.121168 %70 %
174Variations in Meta Twitter Description   Relevancy-0.124124 %71 %
175Uses JSON-LD Country   Other-0.12112 %22 %
176Has Terms of Service   Trust-0.121140 %67 %
177Has Meta Charset   Technology-0.121178 %69 %
178Is Home Page   Other-0.121114 %42 %
179Average Words Per Sentence   Size-0.122123582 %71 %
180Variations in Form Tags   Relevancy-0.1244114 %71 %
181Number of Email Addresses   Trust-0.1278443 %73 %
182Search Result Uses HTTPS   Other-0.121187 %79 %
183Variations in Class Attributes   Relevancy-0.1247211328 %78 %
184Uses JSON-LD ListItem   Other-0.121137 %63 %
185Uses JSON-LD name   Other-0.121155 %66 %
186Variations in Meta Twitter Content   Relevancy-0.1224126 %69 %
187Uses Schema listitem   Other-0.121141 %64 %
188Number of Social Accounts   Authority-0.1212249 %73 %
189Uses Schema name   Other-0.121161 %65 %
190Uses Schema aggregaterating   Other-0.121110 %54 %
191Uses Schema city   Other-0.12114 %26 %
192Has Meta Viewport   Technology-0.121184 %75 %
193Has Meta Robots   Other-0.121127 %66 %
194Number of NoFollow External Links   Authority-0.12119319 %73 %
195Uses Schema addresslocality   Other-0.121119 %58 %
196Uses Schema addressregion   Other-0.121118 %55 %
197Uses Schema country   Other-0.12112 %25 %
198Uses JSON-LD City   Other-0.12114 %27 %
199Title Length   Size-0.121355285 %66 %
200Has Schema Markup   Relevancy-0.121166 %68 %