Measures 125659 SEO Factors

123937 Built-In SEO Factors

116342 On-page SEO Factors

7595 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 ( 52547 )
Relevancy SEO Factors ( 50992 )
Other SEO Factors ( 21835 )
Local SEO Factors ( 7462 )
Technology SEO Factors ( 1599 )
Authority SEO Factors ( 163 )
Pay Per Click SEO Factors ( 29 )
Trust SEO Factors ( 15 )
Diversity SEO Factors ( 15 )
Easy SEO Factors ( 3 )
Performance SEO Factors ( 1 )

SEO Factor Type

Size SEO Factors ( 52543 )
Keywords SEO Factors ( 39439 )
Schema SEO Factors ( 21781 )
LSI SEO Factors ( 8148 )
Local SEO Factors ( 7463 )
Entities SEO Factors ( 3383 )
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-0.27129832388 %80 %
2Number of Distinct Entities Used   Diversity-0.25773281 %91 %
3Number of Unique Variations Used   Diversity-0.23411187 %86 %
4Search Result Domain is .com, .net, or .org   Other-0.22114 %73 %
5Number of Referring Domains   Authority-0.2265028758 %78 %
6Variations in Body Tags   Relevancy-0.228742866286 %89 %
7Variations in HTML Tags   Relevancy-0.228742866286 %89 %
8Entities in the HTML Tag   Relevancy-0.2155416077 %91 %
9Number of Top 50 Shared Factors Used   Diversity-0.21171397 %86 %
10Number of Top 100 Shared Factors Used   Diversity-0.21403198 %91 %
11Entities in Sentences   Relevancy-0.2155015776 %91 %
12Number of Backlinks   Authority-0.212194135649358 %79 %
13Variations in Div Tags   Relevancy-0.213534725983 %87 %
14Number of Top 200 Shared Factors Used   Diversity-0.21544298 %91 %
15Search Result Domain is .com   Other-0.21114 %78 %
16Variations in H1, H2, and H3 Tags   Relevancy-0.21131976 %84 %
17Variations in Sentences   Relevancy-0.2134346381 %86 %
18LSI Words in Sentences   Relevancy-0.2550881976 %90 %
19Number of Factors Used   Diversity-0.255620898 %90 %
20Number of No Follow Backlinks   Authority-0.2155666113849 %78 %
21Variations in A Tags   Relevancy-0.242604477 %87 %
22Variations in P Tags   Relevancy-0.223545276 %86 %
23Variations in H1-H6 Tags   Relevancy-0.21731077 %84 %
24Load Time Milliseconds   Performance-0.250019169389 %90 %
25Variations in H1 and H2 Tags   Relevancy-0.268674 %83 %
26Variations in LI Tags   Relevancy-0.222453575 %87 %
27Entities in Title Tag   Relevancy-0.28373 %86 %
28Number of Do Follow Backlinks   Authority-0.22038470538649 %78 %
29Number of HTML Tags   Size-0.194018102689 %83 %
30Clean Text Kilobytes   Size-0.191021484 %88 %
31Unabridged Word Count   Size-0.1919305202289 %82 %
32Entities in H2 Tags-0.1939857 %88 %
33Term Frequency   Relevancy-0.196386 %86 %
34LSI Words in Title Tag   Relevancy-0.1916675 %87 %
35Number of Includes   Technology-0.19472484 %73 %
36Word Count   Size-0.1913832156789 %83 %
37Leading Variations in H1-H6 Tags   Relevancy-0.1822255 %81 %
38Variations in H2 Tags   Relevancy-0.1859455 %83 %
39Leading Variations in H1, H2, and H3 Tags   Relevancy-0.1817252 %80 %
40Variations in Search Result Link Text   Relevancy-0.184287 %68 %
41Variations in the Title Tag   Relevancy-0.1814277 %73 %
42Variations in A Tag HREF Attributes   Relevancy-0.1819336773 %87 %
43Clean Keyword Density in the HTML Tag   Relevancy-0.18190680 %77 %
44Variations in Distinct A Tag HREF Attributes   Relevancy-0.1811434473 %87 %
45Variations in Search Result Display URL   Relevancy-0.184288 %72 %
46Variation Density in Top 30KB   Relevancy-0.18281474 %82 %
47Number of Sentences   Size-0.18112312489 %82 %
48Number of Links   Authority-0.18104814987 %82 %
49Number of HTTPS Links   Authority-0.1843314687 %87 %
50Variations in ALT Attributes   Relevancy-0.18272954 %81 %
51Number of DoFollow Links   Authority-0.18104714687 %87 %
52Variations in Script Tags   Relevancy-0.172726616072 %83 %
53Entities in H3 Tags-0.1730747 %87 %
54Variations in Search Result URL Path   Relevancy-0.176260 %78 %
55Number of Internal Links   Authority-0.1742613287 %87 %
56Variations in Span Tags   Relevancy-0.175561561 %84 %
57Number of Images   Size-0.173033084 %83 %
58LSI Words in H2 Tags   Relevancy-0.17842163 %87 %
59Number of P Tags   Size-0.173284283 %81 %
60Number of Heading Tags   Size-0.17602184 %81 %
61Variations in Main Tags   Relevancy-0.172005216139 %84 %
62Variations in H1 Tags   Relevancy-0.1711267 %75 %
63Has JSON-LD Schema Markup   Relevancy-0.171156 %76 %
64Entities in H1 Tags-0.177262 %79 %
65Variations in Nav Tags   Relevancy-0.1763035055 %83 %
66Number of Absolute URLs   Authority-0.1781426089 %86 %
67Number of Facebook Pages   Authority-0.179265 %79 %
68Page Size Kilobytes   Size-0.1765926190 %83 %
69Variations in Absolute URLs   Relevancy-0.1778609974 %90 %
70Number of Questions   Size-0.17531070 %85 %
71Variations in the Canonical URL   Relevancy-0.1738260 %83 %
72Variations in First 100 Words   Relevancy-0.161731075 %79 %
73Number of Images with ALT Text   Size-0.162272180 %87 %
74Variations in H3 Tags   Relevancy-0.1664442 %80 %
75Number of H2 Tags   Size-0.1618775 %80 %
76Leading Variations in Title Tag   Relevancy-0.161139 %70 %
77LSI Words in H1 Tags   Relevancy-0.1618566 %83 %
78Number of CSS Includes   Technology-0.1619877 %69 %
79Variations in Search Result Document File Name   Relevancy-0.169259 %74 %
80Leading Variations in H1 Tags   Relevancy-0.162134 %74 %
81Variations in OpenGraph Title   Relevancy-0.1610260 %72 %
82Variations in OpenGraph Description   Relevancy-0.1638254 %76 %
83Variations in Footer Tags   Relevancy-0.1527961843 %81 %
84Number of Instagram Pages   Authority-0.1530243 %79 %
85Exact Matches in the HTML Tag   Relevancy-0.155231234 %73 %
86Variations in Meta Description   Relevancy-0.1541261 %75 %
87Variations Making Whole LI Tags   Relevancy-0.156235 %74 %
88Variations Making Whole Span Tags   Relevancy-0.1511226 %77 %
89Number Of JSON-LD Types   Relevancy-0.151361461 %83 %
90Variation Count in Top 30KB   Relevancy-0.1552134176 %80 %
91LSI Words in H3 Tags   Relevancy-0.151032155 %84 %
92Percentage of DoFollow Internal Links   Authority-0.15937686 %80 %
93Number of JavaScript Includes   Technology-0.15331685 %73 %
94Search Result Number of Dirs in Path   Other-0.154282 %78 %
95Variations making whole A Tags   Relevancy-0.1535240 %75 %
96Number of External Links   Authority-0.15521784 %82 %
97Number of H3 Tags   Size-0.1528966 %78 %
98Variations in Section Tags   Relevancy-0.159792942 %78 %
99Has Meta Charset   Technology-0.151178 %71 %
100Variations in TITLE Attributes   Relevancy-0.15279945 %80 %
101Number of Questions In Headings   Size-0.1511240 %81 %
102Number of DoFollow External Links   Authority-0.15501683 %81 %
103Number of LinkedIn Pages   Authority-0.143133 %74 %
104Variations in Search Result URL   Relevancy-0.1415269 %72 %
105Entities in Meta Description Tag   Relevancy-0.1410358 %81 %
106TF/IDF   Relevancy-0.141173 %77 %
107Flesch Kincaid Reading Grade Level   Other-0.148395 %86 %
108Variations in the last 100 words   Relevancy-0.14175559 %77 %
109Has FavIcon   Technology-0.141177 %77 %
110Leading Variations in H2 Tags   Relevancy-0.147127 %82 %
111Number of HTML Comments   Size-0.143783775 %77 %
112Uses Schema name   Other-0.141163 %70 %
113Inline JavaScript Kilobytes   Size-0.143017987 %80 %
114Inline CSS Kilobytes   Size-0.141876167 %79 %
115Has Entities in H2 Tags   Relevancy-0.141156 %77 %
116LSI Words in Meta Description Tag   Relevancy-0.14371159 %83 %
117Has Privacy Policy   Trust-0.141164 %77 %
118Number of Twitter Accounts   Authority-0.144141 %78 %
119Has Schema Markup   Relevancy-0.141167 %75 %
120Has Entities in H1 Tags   Relevancy-0.141162 %77 %
121Average Words Per Sentence   Size-0.142323886 %77 %
122Number of Prices   Size-0.149976474 %79 %
123Number of US Phone Numbers   Trust-0.142381047 %81 %
124Leading Variations in H3 Tags   Relevancy-0.1410121 %81 %
125Number of Social Pages   Authority-0.1438470 %79 %
126Search Result Host Length   Size-0.14261888 %67 %
127Percentage of DoFollow Links   Authority-0.141008887 %83 %
128Number of Facebook Accounts   Authority-0.144134 %76 %
129Variations making whole H1, H2, and H3 Tags   Relevancy-0.143117 %70 %
130Variations in Strong Tags   Relevancy-0.1366333 %77 %
131Number of Questions In H2 Tags   Size-0.134125 %79 %
132Exact Matches in H1-H6 Tags   Relevancy-0.1311122 %75 %
133Entities in H4 Tags-0.1320324 %83 %
134Variations making whole H1-H6 Tags   Relevancy-0.133120 %70 %
135Headings Has Question   Other-0.131139 %74 %
136Has US Phone Number   Trust-0.131146 %69 %
137Number of Images without ALT Text   Size-0.13511064 %81 %
138Search Result Domain Length   Size-0.13261889 %71 %
139Number of Forms   Technology-0.1316364 %67 %
140Uses JSON-LD name   Other-0.131156 %70 %
141Title Tag Has Entities   Relevancy-0.131173 %79 %
142Variations in Button Tags   Relevancy-0.131430611 %80 %
143Uses Schema url   Other-0.131158 %69 %
144Search Result Uses HTTPS   Other-0.131188 %83 %
145Variations in ID Attributes   Relevancy-0.13953618 %78 %
146Number of Social Accounts   Authority-0.1310255 %81 %
147Number of HREF Lang Tags   Size-0.1344211 %76 %
148Uses Schema searchresultspage   Other-0.13112 %12 %
149Has Entities in H3 Tags   Relevancy-0.131148 %77 %
150Uses Microdata Brand-0.13114 %15 %
151Variations in Style Tags   Relevancy-0.13214728821 %78 %
152Is Home Page   Other-0.131113 %44 %
153Variations in I Tags   Relevancy-0.13208730 %71 %
154Number of H1 Tags   Size-0.133278 %71 %
155Has Meta Viewport   Technology-0.131187 %75 %
156Variations in H4-H6 Tags   Relevancy-0.1343224 %73 %
157Uses JSON-LD url   Other-0.131148 %71 %
158Has Contact Page   Trust-0.131169 %71 %
159Uses Schema listitem   Other-0.131144 %69 %
160Has Canonical URL   Authority-0.131177 %75 %
161Word Count in Meta Description   Size-0.12812068 %66 %
162Number of Nofollow Links   Authority-0.1246429 %79 %
163Number of H4 Tags   Size-0.1231442 %70 %
164Uses JSON-LD SearchResultsPage   Other-0.12112 %13 %
165Number of Questions In H3 Tags   Size-0.125118 %78 %
166Variations in Meta Twitter Content   Relevancy-0.127126 %64 %
167Uses Schema question   Other-0.12119 %66 %
168Uses Schema breadcrumblist   Other-0.121144 %69 %
169Has HREF Lang   Technology-0.121112 %69 %
170Uses Schema image   Other-0.121123 %65 %
171Variations in Article Tags   Relevancy-0.127602029 %73 %
172Uses Schema answer   Other-0.12119 %64 %
173Uses JSON-LD itemListOrder   Other-0.12112 %12 %
174Has Terms of Service   Trust-0.121143 %67 %
175Variations making whole H1 Tags   Relevancy-0.121110 %66 %
176Has Google Analytics   Technology-0.121110 %67 %
177Uses Schema postaladdress   Other-0.121120 %60 %
178Uses Schema faqpage   Other-0.12118 %67 %
179Uses Schema country   Other-0.12112 %22 %
180Uses Schema addressregion   Other-0.121118 %58 %
181Uses JSON-LD addressRegion   Other-0.121116 %59 %
182Is Store Page   Other-0.121144 %64 %
183Is Purchase Page   Other-0.121149 %71 %
184Uses Schema addresslocality   Other-0.121119 %59 %
185Uses Schema product   Other-0.121110 %45 %
186Uses Schema itemlistorder   Other-0.12112 %12 %
187Variations in Class Attributes   Relevancy-0.1283563731 %77 %
188Meta Description Length   Size-0.1243512069 %71 %
189Uses Schema specialty   Other-0.12112 %14 %
190Uses JSON-LD Country   Other-0.12112 %22 %
191Uses Schema organization   Other-0.121137 %67 %
192Uses Schema aggregaterating   Other-0.121111 %56 %
193Uses JSON-LD Question   Other-0.12118 %63 %
194Exact Matches in Title Tag   Relevancy-0.122119 %67 %
195Uses JSON-LD PostalAddress   Other-0.121117 %61 %
196Uses JSON-LD AggregateRating   Other-0.12118 %59 %
197Uses Schema postalcode   Other-0.121119 %58 %
198Uses JSON-LD addressLocality   Other-0.121117 %59 %
199Uses Schema streetaddress   Other-0.121118 %59 %
200Uses JSON-LD Answer   Other-0.12117 %62 %