Measures 129367 SEO Factors

127645 Built-In SEO Factors

119966 On-page SEO Factors

7679 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 ( 53086 )
Relevancy SEO Factors ( 51998 )
Other SEO Factors ( 22721 )
Local SEO Factors ( 7548 )
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 ( 53082 )
Keywords SEO Factors ( 40175 )
Schema SEO Factors ( 22667 )
LSI SEO Factors ( 8346 )
Local SEO Factors ( 7549 )
Entities SEO Factors ( 3455 )
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 2023-8     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-0.3151028890 %72 %
2Number of Distinct Entities Used   Diversity-0.29982783 %82 %
3Number of Top 100 Shared Factors Used   Diversity-0.26403098 %91 %
4Number of Unique Variations Used   Diversity-0.2636887 %77 %
5Entities in the HTML Tag   Relevancy-0.26105712278 %85 %
6Entities in Sentences   Relevancy-0.26105512077 %85 %
7Number of Top 200 Shared Factors Used   Diversity-0.26534098 %92 %
8Variations in H1-H6 Tags   Relevancy-0.26297975 %81 %
9Variations in H1, H2, and H3 Tags   Relevancy-0.26216874 %81 %
10Variations in Body Tags   Relevancy-0.256278233886 %81 %
11Variations in HTML Tags   Relevancy-0.256278233886 %81 %
12Variations in P Tags   Relevancy-0.2541974075 %81 %
13Number of Top 50 Shared Factors Used   Diversity-0.25181397 %83 %
14Number of Factors Used   Diversity-0.2456720498 %90 %
15Variations in H1 and H2 Tags   Relevancy-0.24131572 %80 %
16Variations in Div Tags   Relevancy-0.242361216583 %82 %
17Entities in H2 Tags-0.2437755 %81 %
18Variations in Sentences   Relevancy-0.2442164579 %81 %
19Variations in A Tags   Relevancy-0.2424552874 %80 %
20Entities in Title Tag   Relevancy-0.247372 %78 %
21Variations in LI Tags   Relevancy-0.2311992372 %81 %
22LSI Words in Sentences   Relevancy-0.23803071576 %85 %
23Variations in H2 Tags   Relevancy-0.23117451 %80 %
24Variations in Search Result Link Text   Relevancy-0.237284 %69 %
25Entities in H3 Tags-0.2246644 %81 %
26Number of Includes   Technology-0.22512383 %67 %
27Term Frequency   Relevancy-0.226386 %79 %
28Variations in Search Result Display URL   Relevancy-0.2232285 %78 %
29Number of Referring Domains   Authority-0.2223765860 %80 %
30Leading Variations in H1-H6 Tags   Relevancy-0.2227251 %78 %
31Variations in the Title Tag   Relevancy-0.2116275 %72 %
32Unabridged Word Count   Size-0.2134330188890 %80 %
33Word Count   Size-0.2123151149290 %80 %
34Leading Variations in H1, H2, and H3 Tags   Relevancy-0.2119248 %78 %
35Number of Backlinks   Authority-0.21253267303460 %81 %
36Number of HTML Tags   Size-0.213880105191 %79 %
37Clean Text Kilobytes   Size-0.211991286 %89 %
38Clean Keyword Density in the HTML Tag   Relevancy-0.21196578 %74 %
39Number of No Follow Backlinks   Authority-0.212788131252 %78 %
40Has JSON-LD Schema Markup   Relevancy-0.211154 %77 %
41Entities in H1 Tags-0.219261 %73 %
42Variations in Search Result URL Path   Relevancy-0.2126257 %80 %
43Number of Facebook Pages   Authority-0.226362 %76 %
44Variation Density in Top 30KB   Relevancy-0.2303471 %82 %
45Variations in ALT Attributes   Relevancy-0.2177952 %78 %
46Variations in H1 Tags   Relevancy-0.215264 %72 %
47Number of Do Follow Backlinks   Authority-0.2225386277352 %78 %
48Number of CSS Includes   Technology-0.222875 %69 %
49Variations in Span Tags   Relevancy-0.27511157 %78 %
50Variations in Distinct A Tag HREF Attributes   Relevancy-0.29243468 %81 %
51LSI Words in Title Tag   Relevancy-0.214675 %81 %
52Search Result Domain is .com, .net, or .org   Other-0.2113 %63 %
53Variations in A Tag HREF Attributes   Relevancy-0.213125068 %81 %
54Number of Sentences   Size-0.272311890 %78 %
55LSI Words in H2 Tags   Relevancy-0.21482062 %83 %
56Variations in Script Tags   Relevancy-0.2216508869 %77 %
57Number of P Tags   Size-0.197073985 %78 %
58Load Time Milliseconds   Performance-0.1921904191191 %85 %
59Number of Heading Tags   Size-0.192852286 %78 %
60Variations in H3 Tags   Relevancy-0.1985338 %79 %
61Variations in the Canonical URL   Relevancy-0.19162258 %82 %
62Number of Links   Authority-0.1960015188 %76 %
63Exact Matches in the HTML Tag   Relevancy-0.196591541 %72 %
64Variations in Meta Description   Relevancy-0.1943259 %73 %
65Number of HTTPS Links   Authority-0.1959415087 %85 %
66Number of Questions   Size-0.19137968 %88 %
67Variations in Nav Tags   Relevancy-0.1946182748 %74 %
68Search Result Domain is .com   Other-0.19113 %67 %
69Variations in First 100 Words   Relevancy-0.19351972 %80 %
70Number of Internal Links   Authority-0.1959413587 %85 %
71Number of DoFollow Links   Authority-0.1959714888 %85 %
72Number of Images   Size-0.187193286 %75 %
73Has Entities in H2 Tags   Relevancy-0.181156 %75 %
74Entities in Meta Description Tag   Relevancy-0.189358 %75 %
75LSI Words in H3 Tags   Relevancy-0.181491954 %81 %
76Variations in OpenGraph Title   Relevancy-0.1814257 %66 %
77Exact Matches in H1-H6 Tags   Relevancy-0.1818126 %75 %
78Variations in Absolute URLs   Relevancy-0.18145958971 %87 %
79Variations in Main Tags   Relevancy-0.18108528036 %78 %
80Number of Images with ALT Text   Size-0.185222281 %85 %
81Number of H3 Tags   Size-0.1841867 %76 %
82LSI Words in H1 Tags   Relevancy-0.1824566 %78 %
83Variations in OpenGraph Description   Relevancy-0.1845251 %71 %
84Variations in Search Result URL   Relevancy-0.1844264 %75 %
85Number of Absolute URLs   Authority-0.1788525690 %84 %
86TF/IDF   Relevancy-0.172167 %73 %
87Number Of JSON-LD Types   Relevancy-0.171701461 %84 %
88Number of Instagram Pages   Authority-0.1712242 %76 %
89Number of H2 Tags   Size-0.1727776 %78 %
90Leading Variations in Title Tag   Relevancy-0.171135 %68 %
91Page Size Kilobytes   Size-0.1783824490 %82 %
92Number of Twitter Accounts   Authority-0.1710138 %78 %
93Title Tag Has Entities   Relevancy-0.171173 %72 %
94Has Entities in H1 Tags   Relevancy-0.171163 %72 %
95Exact Matches in Sentences   Relevancy-0.17145326 %76 %
96Has Entities in H3 Tags   Relevancy-0.171146 %74 %
97Variation Count in Top 30KB   Relevancy-0.1754014076 %81 %
98Leading Variations in H2 Tags   Relevancy-0.1712124 %84 %
99Number of Questions In Headings   Size-0.1713236 %83 %
100Variations in Search Result Document File Name   Relevancy-0.1724256 %74 %
101Variations in Section Tags   Relevancy-0.1721792239 %75 %
102Uses Schema name   Other-0.161165 %67 %
103Leading Variations in H1 Tags   Relevancy-0.162131 %77 %
104Search Result Number of Dirs in Path   Other-0.164278 %74 %
105Variations making whole A Tags   Relevancy-0.1620232 %72 %
106Variations Making Whole LI Tags   Relevancy-0.168126 %71 %
107Percentage of DoFollow Internal Links   Authority-0.16937687 %80 %
108Variations Making Whole Span Tags   Relevancy-0.1691221 %75 %
109Number of Facebook Accounts   Authority-0.1624134 %76 %
110Exact Matches in Top 30KB   Relevancy-0.1630225 %74 %
111Uses Schema answer   Other-0.16119 %61 %
112Uses JSON-LD name   Other-0.161158 %67 %
113Number of External Links   Authority-0.162871884 %76 %
114Uses Schema question   Other-0.16119 %62 %
115Uses Schema faqpage   Other-0.16118 %63 %
116Entities in H4 Tags-0.1647222 %77 %
117LSI Words in Meta Description Tag   Relevancy-0.16291060 %78 %
118Title Has Sentiment Words   Other-0.161125 %67 %
119Exact Matches in Title Tag   Relevancy-0.152123 %69 %
120Has Meta Charset   Technology-0.151180 %66 %
121Variations in TITLE Attributes   Relevancy-0.15276842 %76 %
122Number of JavaScript Includes   Technology-0.15341687 %68 %
123Has FavIcon   Technology-0.151176 %75 %
124Headings Has Question   Other-0.151136 %79 %
125Has Schema Markup   Relevancy-0.151169 %77 %
126Title Has Sales Words   Other-0.151116 %70 %
127Uses JSON-LD Answer   Other-0.15117 %60 %
128Variations in Footer Tags   Relevancy-0.152265935 %73 %
129Inline JavaScript Kilobytes   Size-0.156617188 %78 %
130Uses Schema text   Other-0.151113 %65 %
131Number of DoFollow External Links   Authority-0.152841582 %75 %
132Number of US Phone Numbers   Trust-0.155391247 %78 %
133Uses JSON-LD text   Other-0.15117 %63 %
134Variations in Strong Tags   Relevancy-0.15157329 %72 %
135Meta Description Tag Has Entities   Relevancy-0.151158 %67 %
136Number of LinkedIn Pages   Authority-0.154123 %73 %
137Uses JSON-LD Question   Other-0.15117 %63 %
138Flesch Kincaid Reading Grade Level   Other-0.157395 %81 %
139Has Privacy Policy   Trust-0.151160 %77 %
140Uses JSON-LD FAQPage   Other-0.15117 %65 %
141Variations making whole H1-H6 Tags   Relevancy-0.154117 %69 %
142Variations in the last 100 words   Relevancy-0.15357552 %78 %
143Number of Social Pages   Authority-0.1427469 %74 %
144Number of Nofollow Links   Authority-0.1467632 %81 %
145Uses Schema listitem   Other-0.141143 %62 %
146Number of Questions In H3 Tags   Size-0.1411116 %79 %
147Leading Variations in H3 Tags   Relevancy-0.1412117 %81 %
148Exact Matches in H1 Tags   Relevancy-0.142118 %69 %
149Variations in Article Tags   Relevancy-0.1417471829 %70 %
150Number of HTML Comments   Size-0.145343877 %69 %
151Uses Schema breadcrumblist   Other-0.141142 %64 %
152Variations making whole H1, H2, and H3 Tags   Relevancy-0.144115 %67 %
153Number of Questions In H2 Tags   Size-0.145122 %79 %
154Uses Schema url   Other-0.141158 %62 %
155Number of Social Accounts   Authority-0.1436254 %76 %
156Has Contact Page   Trust-0.141166 %68 %
157Exact Matches in A Tags   Relevancy-0.14101219 %75 %
158Uses JSON-LD url   Other-0.141149 %63 %
159Exact Matches in H2 Tags   Relevancy-0.148113 %75 %
160Number of Prices   Size-0.144635274 %77 %
161Uses JSON-LD ListItem   Other-0.141138 %61 %
162Has US Phone Number   Trust-0.141146 %64 %
163Uses Schema postaladdress   Other-0.141120 %51 %
164Variations in H4-H6 Tags   Relevancy-0.14101221 %71 %
165Variations in I Tags   Relevancy-0.14282630 %72 %
166Number of NoFollow External Links   Authority-0.1426322 %80 %
167Uses JSON-LD BreadcrumbList   Other-0.141136 %64 %
168Number of H4 Tags   Size-0.14237442 %69 %
169Percentage of DoFollow Links   Authority-0.131008988 %77 %
170Word Count in Meta Description   Size-0.13402069 %66 %
171Uses Schema postalcode   Other-0.131118 %50 %
172Uses Schema description   Other-0.131149 %57 %
173Uses Schema addressregion   Other-0.131118 %51 %
174Search Result Uses HTTPS   Other-0.131189 %78 %
175Variations in ID Attributes   Relevancy-0.13419213 %74 %
176Uses Schema addresslocality   Other-0.131119 %50 %
177Average Words Per Sentence   Size-0.133403887 %71 %
178Has Canonical URL   Authority-0.131177 %72 %
179Title Word Count   Size-0.1314889 %65 %
180Uses Schema state   Other-0.13113 %13 %
181Variations in H4 Tags   Relevancy-0.1399116 %71 %
182Number of Forms   Technology-0.1316364 %62 %
183Uses JSON-LD description   Other-0.131143 %57 %
184Variations in Search Result Summary   Relevancy-0.13105386 %62 %
185Is OpenGraph Type Article   Technology-0.131138 %58 %
186Title Has Best   Other-0.13119 %76 %
187Meta Description Length   Size-0.1327812269 %72 %
188Has Entities in H4 Tags   Relevancy-0.131123 %68 %
189Uses Schema telephone   Other-0.131120 %52 %
190Uses Schema aggregaterating   Other-0.131110 %55 %
191Uses Schema datepublished   Other-0.131142 %52 %
192Uses Schema streetaddress   Other-0.131118 %50 %
193Variations in Button Tags   Relevancy-0.1346628 %71 %
194Uses Schema item   Other-0.131126 %59 %
195Percentage of NoFollow Links   Authority-0.1319329 %77 %
196Is Article Page   Other-0.131150 %64 %
197Is Purchase Page   Other-0.131147 %66 %
198Has Meta Viewport   Technology-0.131187 %68 %
199Inline CSS Kilobytes   Size-0.131955366 %76 %
200Number of Images without ALT Text   Size-0.131981166 %77 %