Measures 125898 SEO Factors

124176 Built-In SEO Factors

116570 On-page SEO Factors

7606 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 ( 52563 )
Relevancy SEO Factors ( 51130 )
Other SEO Factors ( 21932 )
Local SEO Factors ( 7473 )
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 ( 52559 )
Keywords SEO Factors ( 39517 )
Schema SEO Factors ( 21878 )
LSI SEO Factors ( 8196 )
Local SEO Factors ( 7474 )
Entities SEO Factors ( 3395 )
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 2024-04     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-0.26138332289 %79 %
2Number of Distinct Entities Used   Diversity-0.24773281 %90 %
3Search Result Domain is .com, .net, or .org   Other-0.22114 %73 %
4Number of Unique Variations Used   Diversity-0.22451187 %85 %
5Number of Referring Domains   Authority-0.2265028558 %79 %
6Variations in Body Tags   Relevancy-0.218742855986 %87 %
7Variations in HTML Tags   Relevancy-0.218742855986 %87 %
8Search Result Domain is .com   Other-0.21114 %78 %
9Entities in the HTML Tag   Relevancy-0.2155415978 %90 %
10Number of Top 50 Shared Factors Used   Diversity-0.21171397 %86 %
11Entities in Sentences   Relevancy-0.2155015676 %90 %
12Number of Backlinks   Authority-0.212194135538958 %81 %
13Number of Top 100 Shared Factors Used   Diversity-0.21403199 %91 %
14Variations in Div Tags   Relevancy-0.213534723084 %86 %
15Load Time Milliseconds   Performance-0.250019173390 %90 %
16Number of Top 200 Shared Factors Used   Diversity-0.2544199 %91 %
17LSI Words in Sentences   Relevancy-0.2550882377 %89 %
18Number of Factors Used   Diversity-0.255620899 %89 %
19Variations in Sentences   Relevancy-0.234346082 %85 %
20Variations in H1, H2, and H3 Tags   Relevancy-0.2131977 %84 %
21Variations in P Tags   Relevancy-0.223545177 %84 %
22Number of No Follow Backlinks   Authority-0.215566693950 %79 %
23Number of Do Follow Backlinks   Authority-0.22038470444250 %80 %
24Variations in H1-H6 Tags   Relevancy-0.21731077 %84 %
25Variations in A Tags   Relevancy-0.242603977 %86 %
26Variations in H1 and H2 Tags   Relevancy-0.268675 %82 %
27Entities in Title Tag   Relevancy-0.199373 %85 %
28Variations in LI Tags   Relevancy-0.1922453376 %86 %
29Clean Text Kilobytes   Size-0.191121485 %88 %
30Unabridged Word Count   Size-0.1921640201089 %82 %
31Entities in H2 Tags-0.1939857 %88 %
32Word Count   Size-0.1913832155689 %82 %
33Number of HTML Tags   Size-0.194018100990 %83 %
34Number of Includes   Technology-0.19472485 %71 %
35Term Frequency   Relevancy-0.186387 %84 %
36LSI Words in Title Tag   Relevancy-0.1820676 %86 %
37Leading Variations in H1-H6 Tags   Relevancy-0.1822256 %80 %
38Variations in H2 Tags   Relevancy-0.1859456 %82 %
39Leading Variations in H1, H2, and H3 Tags   Relevancy-0.1817253 %79 %
40Number of Sentences   Size-0.18115312189 %82 %
41Clean Keyword Density in the HTML Tag   Relevancy-0.18190680 %75 %
42Variations in the Title Tag   Relevancy-0.1814278 %74 %
43Variations in Search Result Link Text   Relevancy-0.178288 %68 %
44Variations in A Tag HREF Attributes   Relevancy-0.1719336373 %86 %
45Variations in Distinct A Tag HREF Attributes   Relevancy-0.1711434173 %86 %
46Variations in Search Result URL Path   Relevancy-0.176260 %79 %
47Entities in H3 Tags-0.1733747 %87 %
48Number of HTTPS Links   Authority-0.1743314487 %86 %
49Variations in Script Tags   Relevancy-0.172726613872 %82 %
50Number of Links   Authority-0.17104814688 %80 %
51Number of DoFollow Links   Authority-0.17104714388 %87 %
52Variations in Search Result Display URL   Relevancy-0.178288 %74 %
53Number of P Tags   Size-0.173584184 %80 %
54Variation Density in Top 30KB   Relevancy-0.17281474 %81 %
55Number of Internal Links   Authority-0.1742612987 %86 %
56Variations in Span Tags   Relevancy-0.175561561 %83 %
57Variations in ALT Attributes   Relevancy-0.17272954 %80 %
58LSI Words in H2 Tags   Relevancy-0.171222164 %86 %
59Has JSON-LD Schema Markup   Relevancy-0.171157 %76 %
60Number of Heading Tags   Size-0.17602185 %80 %
61Number of Images   Size-0.173032985 %80 %
62Variations in Main Tags   Relevancy-0.172005213440 %83 %
63Number of Facebook Pages   Authority-0.1711265 %78 %
64Page Size Kilobytes   Size-0.1676825890 %84 %
65Number of Questions   Size-0.16531071 %86 %
66Number of Absolute URLs   Authority-0.1687225889 %84 %
67Variations in Nav Tags   Relevancy-0.1663034555 %81 %
68Entities in H1 Tags-0.1614262 %80 %
69Variations in First 100 Words   Relevancy-0.161731076 %79 %
70Variations in H1 Tags   Relevancy-0.1611267 %75 %
71Variations in Search Result Document File Name   Relevancy-0.169260 %74 %
72Variations in Absolute URLs   Relevancy-0.1678609274 %88 %
73Variations in the Canonical URL   Relevancy-0.1638261 %82 %
74Number of H2 Tags   Size-0.1631776 %80 %
75Variations in H3 Tags   Relevancy-0.1664442 %79 %
76Number of Images with ALT Text   Size-0.162272080 %86 %
77Number of CSS Includes   Technology-0.1619877 %69 %
78Variations in OpenGraph Title   Relevancy-0.1610261 %70 %
79Leading Variations in Title Tag   Relevancy-0.161139 %68 %
80LSI Words in H1 Tags   Relevancy-0.1523567 %83 %
81Number of Instagram Pages   Authority-0.1530243 %79 %
82Exact Matches in the HTML Tag   Relevancy-0.155431335 %73 %
83Leading Variations in H1 Tags   Relevancy-0.152134 %74 %
84Number Of JSON-LD Types   Relevancy-0.151361462 %82 %
85Search Result Number of Dirs in Path   Other-0.154282 %78 %
86Variations in OpenGraph Description   Relevancy-0.1538255 %75 %
87Variations in Meta Description   Relevancy-0.1541261 %74 %
88Variations in Footer Tags   Relevancy-0.1527961643 %80 %
89LSI Words in H3 Tags   Relevancy-0.151032155 %84 %
90Variation Count in Top 30KB   Relevancy-0.1552133976 %80 %
91Variations in Search Result URL   Relevancy-0.1515269 %71 %
92Number of Questions In Headings   Size-0.1512240 %81 %
93Number of H3 Tags   Size-0.1528867 %77 %
94Number of External Links   Authority-0.15661884 %82 %
95Percentage of DoFollow Internal Links   Authority-0.15937687 %80 %
96Has Meta Charset   Technology-0.151179 %69 %
97Variations Making Whole Span Tags   Relevancy-0.1522126 %77 %
98Number of JavaScript Includes   Technology-0.15331786 %71 %
99Variations Making Whole LI Tags   Relevancy-0.156134 %74 %
100Variations in Section Tags   Relevancy-0.149882943 %77 %
101Leading Variations in H2 Tags   Relevancy-0.147128 %81 %
102Variations making whole A Tags   Relevancy-0.1435240 %73 %
103Number of DoFollow External Links   Authority-0.14561683 %80 %
104Entities in Meta Description Tag   Relevancy-0.1416358 %80 %
105Variations in TITLE Attributes   Relevancy-0.14279845 %78 %
106Number of Twitter Accounts   Authority-0.144141 %77 %
107TF/IDF   Relevancy-0.141173 %77 %
108Flesch Kincaid Reading Grade Level   Other-0.148395 %85 %
109Inline CSS Kilobytes   Size-0.141876167 %80 %
110Inline JavaScript Kilobytes   Size-0.144057887 %81 %
111Has FavIcon   Technology-0.141178 %77 %
112Number of LinkedIn Pages   Authority-0.143133 %75 %
113Has Privacy Policy   Trust-0.141164 %78 %
114Variations in the last 100 words   Relevancy-0.14175560 %77 %
115Number of Social Pages   Authority-0.1438471 %78 %
116Number of HTML Comments   Size-0.143783576 %75 %
117Exact Matches in H1-H6 Tags   Relevancy-0.1412123 %74 %
118LSI Words in Meta Description Tag   Relevancy-0.14851160 %82 %
119Number of Prices   Size-0.1410476273 %79 %
120Has Entities in H2 Tags   Relevancy-0.141157 %78 %
121Uses Schema name   Other-0.141164 %70 %
122Number of Facebook Accounts   Authority-0.144135 %77 %
123Number of US Phone Numbers   Trust-0.142381047 %80 %
124Has Schema Markup   Relevancy-0.141168 %75 %
125Percentage of DoFollow Links   Authority-0.141008887 %82 %
126Leading Variations in H3 Tags   Relevancy-0.1410121 %81 %
127Has Entities in H1 Tags   Relevancy-0.131163 %77 %
128Number of Questions In H2 Tags   Size-0.135125 %79 %
129Headings Has Question   Other-0.131139 %75 %
130Average Words Per Sentence   Size-0.132323786 %77 %
131Variations in Strong Tags   Relevancy-0.1367334 %76 %
132Entities in H4 Tags-0.1320324 %82 %
133Number of Images without ALT Text   Size-0.131111064 %79 %
134Uses Schema searchresultspage   Other-0.13112 %15 %
135Search Result Host Length   Size-0.13261889 %66 %
136Title Tag Has Entities   Relevancy-0.131173 %78 %
137Variations making whole H1-H6 Tags   Relevancy-0.133120 %70 %
138Variations making whole H1, H2, and H3 Tags   Relevancy-0.133117 %70 %
139Variations in Button Tags   Relevancy-0.131430510 %79 %
140Number of Social Accounts   Authority-0.1323256 %81 %
141Number of Forms   Technology-0.1316263 %66 %
142Uses JSON-LD SearchResultsPage   Other-0.13112 %15 %
143Search Result Uses HTTPS   Other-0.131189 %84 %
144Variations in ID Attributes   Relevancy-0.13953517 %77 %
145Uses Schema url   Other-0.131159 %69 %
146Uses JSON-LD name   Other-0.131157 %70 %
147Has US Phone Number   Trust-0.131146 %68 %
148Search Result Domain Length   Size-0.13261889 %71 %
149Has Entities in H3 Tags   Relevancy-0.131148 %77 %
150Number of HREF Lang Tags   Size-0.1344211 %75 %
151Number of Questions In H3 Tags   Size-0.136118 %77 %
152Has Meta Viewport   Technology-0.131187 %75 %
153Number of H1 Tags   Size-0.137279 %71 %
154Variations in Style Tags   Relevancy-0.13214726721 %77 %
155Number of Nofollow Links   Authority-0.1366429 %79 %
156Has Contact Page   Trust-0.131169 %69 %
157Variations in I Tags   Relevancy-0.13208630 %69 %
158Uses Schema question   Other-0.12119 %65 %
159Uses Schema answer   Other-0.12119 %63 %
160Variations in H4-H6 Tags   Relevancy-0.1243224 %71 %
161Word Count in Meta Description   Size-0.121792069 %65 %
162Has Canonical URL   Authority-0.121178 %74 %
163Uses Schema listitem   Other-0.121145 %67 %
164Uses Schema specialty   Other-0.12112 %14 %
165Uses JSON-LD itemListOrder   Other-0.12113 %13 %
166Variations in Article Tags   Relevancy-0.127602029 %70 %
167Uses JSON-LD url   Other-0.121148 %70 %
168Variations in Meta Twitter Content   Relevancy-0.127127 %64 %
169Uses Schema itemlistorder   Other-0.12112 %12 %
170Uses Schema faqpage   Other-0.12118 %66 %
171Uses Schema country   Other-0.12112 %22 %
172Is Home Page   Other-0.121113 %44 %
173Uses JSON-LD Country   Other-0.12112 %22 %
174Uses JSON-LD Question   Other-0.12118 %63 %
175Uses JSON-LD Answer   Other-0.12117 %61 %
176Has Terms of Service   Trust-0.121142 %69 %
177Uses Schema breadcrumblist   Other-0.121144 %68 %
178Number of H4 Tags   Size-0.1231442 %69 %
179Uses JSON-LD text   Other-0.12118 %63 %
180Meta Description Length   Size-0.12148212370 %71 %
181Variations making whole H1 Tags   Relevancy-0.121110 %65 %
182Uses Schema aggregaterating   Other-0.121110 %56 %
183Uses Schema image   Other-0.121123 %64 %
184Uses Schema organization   Other-0.121138 %66 %
185Has HREF Lang   Technology-0.121112 %68 %
186Exact Matches in Sentences   Relevancy-0.1245323 %79 %
187Uses Schema addresslocality   Other-0.121119 %58 %
188Is Purchase Page   Other-0.121149 %70 %
189Variations in Class Attributes   Relevancy-0.1283562830 %77 %
190Uses Schema addressregion   Other-0.121118 %57 %
191Uses JSON-LD FAQPage   Other-0.12117 %65 %
192Uses Schema encodingformat   Other-0.12112 %20 %
193Percentage of DoFollow External Links   Authority-0.12351382 %67 %
194Uses Schema postaladdress   Other-0.121119 %59 %
195Uses JSON-LD AggregateRating   Other-0.12118 %57 %
196Number of NoFollow External Links   Authority-0.1224220 %77 %
197Uses JSON-LD encodingFormat   Other-0.12112 %20 %
198Uses JSON-LD addressRegion   Other-0.121116 %57 %
199Variations in Meta Twitter Description   Relevancy-0.1221124 %67 %
200Exact Matches in Title Tag   Relevancy-0.122120 %69 %