Measures 134061 SEO Factors

132339 Built-In SEO Factors

124104 On-page SEO Factors

8235 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 ( 53601 )
Relevancy SEO Factors ( 52589 )
Other SEO Factors ( 24809 )
Local SEO Factors ( 8067 )
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 ( 53597 )
Keywords SEO Factors ( 40692 )
Schema SEO Factors ( 24755 )
LSI SEO Factors ( 8397 )
Local SEO Factors ( 8068 )
Entities SEO Factors ( 3478 )
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 2024-10     previous

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

NameCorrelation#1 MaxPage 1 AvgUsage %Searches %
1Number of Distinct Entities Used   Diversity-0.25683076 %93 %
2Number of Unique LSI Words Used   Diversity-0.25131425878 %85 %
3Number of Unique Variations Used   Diversity-0.2337977 %88 %
4Number of Top 100 Shared Factors Used   Diversity-0.22393189 %91 %
5Search Result Domain is .com, .net, or .org   Other-0.22114 %59 %
6Entities in Title Tag   Relevancy-0.218368 %88 %
7Number of Top 200 Shared Factors Used   Diversity-0.21534289 %90 %
8Number of Top 50 Shared Factors Used   Diversity-0.21171387 %89 %
9Search Result Domain is .com   Other-0.21114 %59 %
10Entities in the HTML Tag   Relevancy-0.2155215072 %94 %
11Entities in Sentences   Relevancy-0.2155014670 %94 %
12Variations in H1-H6 Tags   Relevancy-0.2208967 %89 %
13Variations in Body Tags   Relevancy-0.217388538778 %91 %
14Variations in HTML Tags   Relevancy-0.217388538677 %91 %
15Variations in H1, H2, and H3 Tags   Relevancy-0.2149866 %89 %
16Variations in Div Tags   Relevancy-0.25940818475 %90 %
17Load Time Milliseconds   Performance-0.213758154782 %86 %
18Variations in H1 and H2 Tags   Relevancy-0.267564 %87 %
19Entities in H2 Tags-0.232751 %90 %
20Variations in Search Result Link Text   Relevancy-0.27279 %78 %
21Variations in Search Result Display URL   Relevancy-0.27279 %78 %
22Variations in Sentences   Relevancy-0.1910484972 %91 %
23Variations in Search Result URL Path   Relevancy-0.196253 %79 %
24Number of Referring Domains   Authority-0.1934766345 %74 %
25Variations in Search Result Document File Name   Relevancy-0.194250 %79 %
26LSI Words in Title Tag   Relevancy-0.1914666 %93 %
27Number of Factors Used   Diversity-0.1943219089 %87 %
28Variations in P Tags   Relevancy-0.1937224168 %88 %
29Number of Backlinks   Authority-0.191585975787744 %76 %
30Entities in H3 Tags-0.1971743 %90 %
31Term Frequency   Relevancy-0.194377 %89 %
32Variations in H2 Tags   Relevancy-0.1962447 %87 %
33Variations in Search Result URL   Relevancy-0.1914260 %75 %
34LSI Words in Sentences   Relevancy-0.19478271967 %93 %
35Number of No Follow Backlinks   Authority-0.1821233794036 %73 %
36Variations in First 100 Words   Relevancy-0.1829968 %82 %
37Variations in A Tags   Relevancy-0.1873283469 %87 %
38Variations in Distinct A Tag HREF Attributes   Relevancy-0.1815274265 %89 %
39Number of Do Follow Backlinks   Authority-0.181560744718938 %74 %
40Entities in H1 Tags-0.188256 %85 %
41Variations in A Tag HREF Attributes   Relevancy-0.1830046265 %88 %
42Clean Keyword Density in the HTML Tag   Relevancy-0.18178570 %82 %
43Leading Variations in H1-H6 Tags   Relevancy-0.1824248 %87 %
44Variations in LI Tags   Relevancy-0.181422767 %87 %
45Leading Variations in H1, H2, and H3 Tags   Relevancy-0.1817246 %87 %
46Variations in the Title Tag   Relevancy-0.184269 %81 %
47Variations in the Canonical URL   Relevancy-0.1842253 %81 %
48Variation Density in Top 30KB   Relevancy-0.179365 %82 %
49LSI Words in H2 Tags   Relevancy-0.171141955 %91 %
50Variations in Absolute URLs   Relevancy-0.17108078566 %87 %
51Variations in H1 Tags   Relevancy-0.175257 %81 %
52Unabridged Word Count   Size-0.1710134194580 %83 %
53Number of HTML Tags   Size-0.172897102982 %83 %
54Variations in the last 100 words   Relevancy-0.1719552 %79 %
55Entities in Meta Description Tag   Relevancy-0.179456 %81 %
56Variations in Span Tags   Relevancy-0.1712521254 %83 %
57Word Count   Size-0.177088156680 %83 %
58Title Tag Has Entities   Relevancy-0.171168 %81 %
59Clean Text Kilobytes   Size-0.17781376 %83 %
60Variations in Script Tags   Relevancy-0.178740313163 %88 %
61Number of Sentences   Size-0.17141912279 %88 %
62Variations in Meta Description   Relevancy-0.175255 %79 %
63Variations in ALT Attributes   Relevancy-0.17638848 %83 %
64Entities in H4 Tags-0.1632322 %83 %
65Search Result Host Length   Size-0.16281978 %72 %
66Number of P Tags   Size-0.169293873 %82 %
67Search Result Domain Length   Size-0.16281978 %73 %
68Variations in H3 Tags   Relevancy-0.1682436 %85 %
69TF/IDF   Relevancy-0.161164 %80 %
70Variations in Main Tags   Relevancy-0.16394039235 %84 %
71LSI Words in H1 Tags   Relevancy-0.1628557 %89 %
72Number of Heading Tags   Size-0.162872175 %85 %
73Leading Variations in Title Tag   Relevancy-0.161135 %77 %
74Flesch Kincaid Reading Grade Level   Other-0.167285 %85 %
75Has Entities in H1 Tags   Relevancy-0.161157 %80 %
76Number of Images   Size-0.162553075 %80 %
77Number of Includes   Technology-0.16552577 %74 %
78Number of H2 Tags   Size-0.1622766 %83 %
79Variations in Nav Tags   Relevancy-0.16133893649 %80 %
80Percentage of DoFollow Internal Links   Authority-0.16957575 %81 %
81Variation Count in Top 30KB   Relevancy-0.161162969 %81 %
82Search Result Not .com .net or .org   Other-0.161178 %14 %
83Number of Images with ALT Text   Size-0.162202070 %81 %
84Number of HTTPS Links   Authority-0.1558014678 %80 %
85Leading Variations in H2 Tags   Relevancy-0.157124 %84 %
86LSI Words in Meta Description Tag   Relevancy-0.15241054 %86 %
87Variations in Section Tags   Relevancy-0.159082838 %81 %
88Variations Making Whole Span Tags   Relevancy-0.1532123 %79 %
89Number of Links   Authority-0.1558114878 %80 %
90Number of Internal Links   Authority-0.1560513378 %80 %
91Variations in OpenGraph Title   Relevancy-0.157254 %77 %
92Number of DoFollow Links   Authority-0.1557814278 %80 %
93Number of Questions   Size-0.151821162 %85 %
94Variations in OpenGraph Description   Relevancy-0.1526249 %76 %
95Has Entities in H2 Tags   Relevancy-0.151153 %79 %
96LSI Words in H3 Tags   Relevancy-0.151771848 %90 %
97Variations Making Whole LI Tags   Relevancy-0.156129 %76 %
98Page Size Kilobytes   Size-0.1593125181 %83 %
99Leading Variations in H1 Tags   Relevancy-0.152129 %75 %
100Percentage of DoFollow Links   Authority-0.151008576 %85 %
101Number of Questions In Headings   Size-0.158233 %81 %
102Has JSON-LD Schema Markup   Relevancy-0.151151 %70 %
103Number of Absolute URLs   Authority-0.15159427380 %80 %
104Number of H3 Tags   Size-0.1534858 %82 %
105Variations in TITLE Attributes   Relevancy-0.15404839 %81 %
106Variations making whole H1, H2, and H3 Tags   Relevancy-0.153115 %76 %
107Number Of JSON-LD Types   Relevancy-0.155821453 %80 %
108Number of H1 Tags   Size-0.1527269 %84 %
109Variations making whole H1-H6 Tags   Relevancy-0.153117 %77 %
110Has Entities in H3 Tags   Relevancy-0.151144 %80 %
111Inline CSS Kilobytes   Size-0.151975358 %80 %
112Number of Facebook Pages   Authority-0.1529256 %72 %
113Has Meta Charset   Technology-0.141170 %75 %
114Variations in H4-H6 Tags   Relevancy-0.1459220 %76 %
115Variations making whole A Tags   Relevancy-0.14181233 %76 %
116Uses JSON-LD Map   Other-0.14112 %16 %
117Variations in Footer Tags   Relevancy-0.141201036 %80 %
118Number of CSS Includes   Technology-0.1422969 %69 %
119Variations in Strong Tags   Relevancy-0.1436328 %76 %
120Variations in I Tags   Relevancy-0.1465627 %77 %
121Has Meta Viewport   Technology-0.141176 %79 %
122Number of HTML Comments   Size-0.143953967 %82 %
123Uses Schema map   Other-0.14112 %17 %
124Headings Has Question   Other-0.141134 %73 %
125Variations in H4 Tags   Relevancy-0.1426116 %75 %
126Number of JavaScript Includes   Technology-0.14331777 %76 %
127Leading Variations in H3 Tags   Relevancy-0.149118 %80 %
128Meta Description Tag Has Entities   Relevancy-0.141156 %71 %
129Has DocType Tag   Technology-0.141171 %53 %
130Inline JavaScript Kilobytes   Size-0.146367877 %80 %
131Number of External Links   Authority-0.143231673 %79 %
132Search Result Number of Dirs in Path   Other-0.144271 %73 %
133Variations in Search Result Summary   Relevancy-0.1344380 %66 %
134Has Canonical URL   Authority-0.131166 %73 %
135Number of DoFollow External Links   Authority-0.133191372 %76 %
136Is Home Page   Other-0.131114 %47 %
137Exact Matches in the HTML Tag   Relevancy-0.134141025 %88 %
138Uses Schema listitem   Other-0.131138 %63 %
139Has Entities in H4 Tags   Relevancy-0.131123 %74 %
140Number of Questions In H3 Tags   Size-0.136115 %77 %
141Title Length   Size-0.131005377 %73 %
142Uses Schema postaladdress   Other-0.131118 %63 %
143Number of Instagram Pages   Authority-0.1316238 %71 %
144Uses Schema streetaddress   Other-0.131116 %62 %
145Number of Prices   Size-0.137055464 %80 %
146Number of Questions In H2 Tags   Size-0.134120 %75 %
147LSI Words in H4 Tags   Relevancy-0.1352728 %82 %
148Title Word Count   Size-0.1315877 %75 %
149Variations in Class Attributes   Relevancy-0.13102671627 %78 %
150Variations in Style Tags   Relevancy-0.13162691718 %80 %
151Uses Schema addresslocality   Other-0.131117 %63 %
152Number of Forms   Technology-0.1312253 %75 %
153Uses JSON-LD streetAddress   Other-0.131115 %62 %
154Uses Schema name   Other-0.131156 %67 %
155Number of Images without ALT Text   Size-0.13611057 %78 %
156Average Words Per Sentence   Size-0.138725176 %74 %
157Has Schema Markup   Relevancy-0.131160 %70 %
158Uses Schema postalcode   Other-0.131116 %62 %
159Number of H4 Tags   Size-0.1339436 %74 %
160Number of Social Pages   Authority-0.1331460 %71 %
161Meta Description Length   Size-0.1343111863 %73 %
162Uses JSON-LD name-0.131150 %67 %
163Uses JSON-LD PostalAddress   Other-0.131116 %63 %
164Uses JSON-LD addressLocality   Other-0.131115 %63 %
165Uses Schema breadcrumblist   Other-0.131138 %63 %
166Has FavIcon   Technology-0.131171 %73 %
167Search Result Uses HTTPS   Other-0.131182 %78 %
168Number of Twitter Accounts   Authority-0.135129 %70 %
169Uses JSON-LD postalCode   Other-0.131115 %62 %
170Number of LinkedIn Pages   Authority-0.136125 %71 %
171Search Result Summary Length   Size-0.1317615084 %68 %
172Variations making whole H1 Tags   Relevancy-0.13119 %72 %
173Uses JSON-LD ListItem   Other-0.131134 %63 %
174Uses Schema addressregion   Other-0.131116 %61 %
175Number of Social Accounts   Authority-0.1311243 %71 %
176Number of Meta Generator Tags   Technology-0.132130 %54 %
177Has Meta Twitter Card   Authority-0.131147 %60 %
178Has Contact Page   Trust-0.131159 %68 %
179Has Privacy Policy   Trust-0.131154 %73 %
180Uses JSON-LD BreadcrumbList   Other-0.131133 %63 %
181Uses Schema telephone   Other-0.131118 %60 %
182Variations in Form Tags   Relevancy-0.13226113 %75 %
183Has Meta Description   Relevancy-0.131162 %68 %
184Leading Variations in H4-H6 Tags   Relevancy-0.138110 %71 %
185Word Count in Meta Description   Size-0.13701963 %73 %
186Variations in B Tags   Relevancy-0.13374313 %74 %
187Variations in Article Tags   Relevancy-0.136331523 %69 %
188Search Result Link Text Length   Size-0.13544484 %57 %
189Variations in Meta Twitter Description   Relevancy-0.123122 %70 %
190Variations in Button Tags   Relevancy-0.12353649 %76 %
191Number of Nofollow Links   Authority-0.1267626 %73 %
192Uses Schema pricerange   Other-0.12119 %50 %
193Uses JSON-LD addressRegion   Other-0.121115 %61 %
194Uses Schema faqpage   Other-0.12117 %61 %
195Uses Schema geocoordinates   Other-0.121110 %50 %
196Has Form   Technology-0.121152 %68 %
197Variations in OpenGraph Site Name   Relevancy-0.123117 %70 %
198Uses Schema url   Other-0.121150 %61 %
199Uses Schema localbusiness   Other-0.121110 %51 %
200Exact Matches in Top 30KB   Relevancy-0.1221218 %69 %