Measures 135299 SEO Factors

133577 Built-In SEO Factors

125248 On-page SEO Factors

8329 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 ( 53613 )
Relevancy SEO Factors ( 52680 )
Other SEO Factors ( 25735 )
Local SEO Factors ( 8151 )
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 ( 53609 )
Keywords SEO Factors ( 40782 )
Schema SEO Factors ( 25681 )
LSI SEO Factors ( 8398 )
Local SEO Factors ( 8152 )
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 2024-11     previous

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

NameCorrelation#1 MaxPage 1 AvgUsage %Searches %
1Search Result Domain is .com, .net, or .org   Other-0.24115 %77 %
2Number of Unique LSI Words Used   Diversity-0.23133224984 %75 %
3Search Result Domain is .com   Other-0.23115 %79 %
4Load Time Milliseconds   Performance-0.2232324159786 %89 %
5Number of Distinct Entities Used   Diversity-0.221102776 %91 %
6Number of Unique Variations Used   Diversity-0.2150983 %88 %
7Variations in Body Tags   Relevancy-0.211045870982 %87 %
8Variations in HTML Tags   Relevancy-0.211045870481 %88 %
9Number of Top 100 Shared Factors Used   Diversity-0.19403097 %90 %
10Number of Referring Domains   Authority-0.193318614647 %79 %
11Number of Top 200 Shared Factors Used   Diversity-0.19534097 %91 %
12Variations in Div Tags   Relevancy-0.194081728778 %87 %
13Number of Backlinks   Authority-0.1946237901509647 %80 %
14Variations in Sentences   Relevancy-0.1950426276 %85 %
15Variations in H1-H6 Tags   Relevancy-0.192441071 %85 %
16Number of Factors Used   Diversity-0.1958018997 %89 %
17Variations in H1, H2, and H3 Tags   Relevancy-0.19214971 %85 %
18Number of Top 50 Shared Factors Used   Diversity-0.19171396 %86 %
19Entities in the HTML Tag   Relevancy-0.192487215773 %91 %
20Entities in Sentences   Relevancy-0.182419515270 %91 %
21Variations in P Tags   Relevancy-0.1855185070 %86 %
22Variations in LI Tags   Relevancy-0.1823133170 %85 %
23Variations in H1 and H2 Tags   Relevancy-0.18124568 %84 %
24Number of Do Follow Backlinks   Authority-0.181668911831040 %79 %
25Variations in Search Result Document File Name   Relevancy-0.1811254 %78 %
26Number of Includes   Technology-0.18562482 %75 %
27Number of No Follow Backlinks   Authority-0.183310912668139 %78 %
28Entities in Title Tag   Relevancy-0.188367 %87 %
29Variations in A Tags   Relevancy-0.1860834672 %84 %
30Term Frequency   Relevancy-0.176381 %85 %
31Variations in Search Result Link Text   Relevancy-0.1711286 %74 %
32Variations in Search Result Display URL   Relevancy-0.1711286 %78 %
33Variations in Search Result URL Path   Relevancy-0.1714257 %77 %
34Variations in A Tag HREF Attributes   Relevancy-0.1731976068 %86 %
35Variations in Distinct A Tag HREF Attributes   Relevancy-0.1722593968 %85 %
36Unabridged Word Count   Size-0.1754488185986 %82 %
37Word Count   Size-0.1737089145385 %82 %
38Entities in H2 Tags-0.1735650 %88 %
39Variations in Absolute URLs   Relevancy-0.171357611970 %86 %
40Number of HTML Tags   Size-0.173672103286 %83 %
41Variations in H2 Tags   Relevancy-0.17113449 %83 %
42Leading Variations in H1, H2, and H3 Tags   Relevancy-0.1722247 %81 %
43Leading Variations in H1-H6 Tags   Relevancy-0.1728250 %82 %
44LSI Words in Sentences   Relevancy-0.17510561065 %90 %
45Clean Text Kilobytes   Size-0.172941380 %86 %
46Variations in Search Result URL   Relevancy-0.1624267 %72 %
47Number of Sentences   Size-0.1694111985 %82 %
48Entities in H3 Tags-0.16149640 %89 %
49Variations in the Title Tag   Relevancy-0.1613273 %78 %
50Variations in Script Tags   Relevancy-0.162961621367 %83 %
51Number of Facebook Pages   Authority-0.168260 %75 %
52Number of CSS Includes   Technology-0.1625974 %71 %
53Clean Keyword Density in the HTML Tag   Relevancy-0.16190675 %77 %
54Variations in the Canonical URL   Relevancy-0.1660258 %79 %
55Number of Images   Size-0.161863180 %82 %
56Variation Density in Top 30KB   Relevancy-0.16330570 %82 %
57Number of Heading Tags   Size-0.161852179 %81 %
58Variations in Meta Description   Relevancy-0.1643259 %79 %
59Entities in H1 Tags-0.167254 %85 %
60Variations in ALT Attributes   Relevancy-0.162061050 %81 %
61Variations in First 100 Words   Relevancy-0.16182973 %81 %
62Number of Images with ALT Text   Size-0.161392075 %83 %
63Variations in H1 Tags   Relevancy-0.1617261 %79 %
64Exact Matches in the HTML Tag   Relevancy-0.1631451528 %81 %
65Variations in Span Tags   Relevancy-0.1610791456 %83 %
66Number of P Tags   Size-0.151823678 %81 %
67Page Size Kilobytes   Size-0.1594627086 %83 %
68Number of H2 Tags   Size-0.1528769 %79 %
69Has JSON-LD Schema Markup   Relevancy-0.151153 %71 %
70Variations in Nav Tags   Relevancy-0.1547914349 %80 %
71Variations in Main Tags   Relevancy-0.151494512337 %80 %
72Number of Questions   Size-0.15791065 %83 %
73Number of HTTPS Links   Authority-0.1553414483 %83 %
74Number of Links   Authority-0.1554114683 %79 %
75Number of DoFollow Links   Authority-0.1553614383 %83 %
76Leading Variations in Title Tag   Relevancy-0.151134 %71 %
77Variations in OpenGraph Description   Relevancy-0.1547252 %75 %
78Variations in H3 Tags   Relevancy-0.1592437 %82 %
79Entities in Meta Description Tag   Relevancy-0.1516355 %84 %
80Number of Absolute URLs   Authority-0.15317626786 %83 %
81Number of Internal Links   Authority-0.1544713183 %83 %
82Number of Instagram Pages   Authority-0.1514242 %72 %
83Number of H3 Tags   Size-0.14102861 %78 %
84Variations in OpenGraph Title   Relevancy-0.1411257 %73 %
85Leading Variations in H2 Tags   Relevancy-0.149124 %80 %
86Number of Questions In Headings   Size-0.149234 %80 %
87Variation Count in Top 30KB   Relevancy-0.1447545673 %79 %
88Leading Variations in H1 Tags   Relevancy-0.143130 %77 %
89Inline JavaScript Kilobytes   Size-0.148158983 %81 %
90Variations in Section Tags   Relevancy-0.1419072540 %79 %
91Number of JavaScript Includes   Technology-0.14361783 %76 %
92Number of H1 Tags   Size-0.1410272 %80 %
93Number Of JSON-LD Types   Relevancy-0.141181357 %79 %
94Number of External Links   Authority-0.143421678 %80 %
95LSI Words in H2 Tags   Relevancy-0.141031753 %87 %
96Variations in Footer Tags   Relevancy-0.1440542037 %77 %
97Number of Prices   Size-0.1416606268 %84 %
98LSI Words in Title Tag   Relevancy-0.1416565 %88 %
99Inline CSS Kilobytes   Size-0.142035664 %82 %
100Number of DoFollow External Links   Authority-0.143391477 %80 %
101Variations in TITLE Attributes   Relevancy-0.141417940 %78 %
102TF/IDF   Relevancy-0.141166 %77 %
103Variations Making Whole Span Tags   Relevancy-0.136122 %76 %
104Number of HTML Comments   Size-0.134714775 %77 %
105Number of Images without ALT Text   Size-0.131721161 %81 %
106Number of Twitter Accounts   Authority-0.137131 %73 %
107Exact Matches in H1-H6 Tags   Relevancy-0.1318120 %78 %
108Variations Making Whole LI Tags   Relevancy-0.138127 %72 %
109Number of Forms   Technology-0.1314357 %70 %
110Variations making whole H1-H6 Tags   Relevancy-0.133115 %70 %
111Percentage of DoFollow Links   Authority-0.131008582 %86 %
112LSI Words in H1 Tags   Relevancy-0.1322455 %87 %
113Variations making whole H1, H2, and H3 Tags   Relevancy-0.131113 %68 %
114Headings Has Question   Other-0.131134 %72 %
115LSI Words in Meta Description Tag   Relevancy-0.1341952 %84 %
116LSI Words in H3 Tags   Relevancy-0.134791746 %87 %
117Has Entities in H1 Tags   Relevancy-0.131155 %78 %
118Has Entities in H2 Tags   Relevancy-0.131150 %79 %
119Variations in Strong Tags   Relevancy-0.1360329 %74 %
120Search Result Number of Dirs in Path   Other-0.134276 %72 %
121Number of Facebook Accounts   Authority-0.133130 %72 %
122Percentage of DoFollow Internal Links   Authority-0.13927482 %81 %
123Word Count in Meta Description   Size-0.13812066 %70 %
124Entities in H4 Tags-0.13234220 %83 %
125Variations in Button Tags   Relevancy-0.131382710 %76 %
126Meta Description Length   Size-0.1357412067 %73 %
127Uses Schema name   Other-0.131159 %66 %
128Number of LinkedIn Pages   Authority-0.133128 %71 %
129Number of Nofollow Links   Authority-0.1374428 %72 %
130Is Home Page   Other-0.131115 %46 %
131Has Canonical URL   Authority-0.131172 %71 %
132Number of Questions In H2 Tags   Size-0.134121 %74 %
133Variations in Meta Twitter Description   Relevancy-0.1330124 %69 %
134Number of Questions In H3 Tags   Size-0.125115 %75 %
135Number of H4 Tags   Size-0.12119437 %72 %
136Variations making whole A Tags   Relevancy-0.1276231 %73 %
137Has Privacy Policy   Trust-0.121158 %74 %
138Number of Social Pages   Authority-0.1216465 %75 %
139Uses JSON-LD ItemList   Other-0.12113 %43 %
140Variations in ID Attributes   Relevancy-0.12752515 %75 %
141Variations in H4-H6 Tags   Relevancy-0.1245220 %74 %
142Variations in the last 100 words   Relevancy-0.12180555 %78 %
143Has Schema Markup   Relevancy-0.121164 %68 %
144Search Result Uses HTTPS   Other-0.121186 %82 %
145Percentage of DoFollow External Links   Authority-0.12291275 %73 %
146Flesch Kincaid Reading Grade Level   Other-0.127293 %81 %
147Number of US Phone Numbers   Trust-0.123001244 %75 %
148Uses Schema answer   Other-0.12117 %58 %
149Exact Matches in Sentences   Relevancy-0.12111320 %82 %
150Number of HREF Lang Tags   Size-0.1226211 %74 %
151Uses Schema faqpage   Other-0.12116 %57 %
152Leading Variations in H3 Tags   Relevancy-0.1221117 %77 %
153Uses Schema question   Other-0.12117 %58 %
154Title Tag Has Entities   Relevancy-0.121168 %79 %
155Has Entities in H3 Tags   Relevancy-0.121141 %79 %
156Uses Microdata itemReviewed   Other-0.12112 %11 %
157Variations in Style Tags   Relevancy-0.122619111718 %77 %
158Variations in Meta Twitter Content   Relevancy-0.128126 %67 %
159Uses JSON-LD name   Other-0.121153 %67 %
160Exact Matches in Top 30KB   Relevancy-0.1225217 %75 %
161Number of Social Accounts   Authority-0.1210248 %76 %
162Variations in Article Tags   Relevancy-0.1216022125 %67 %
163Has OpenGraph Type   Relevancy-0.121161 %66 %
164Uses JSON-LD text   Other-0.12116 %56 %
165Average Words Per Sentence   Size-0.123713981 %76 %
166Variations in H4 Tags   Relevancy-0.1240216 %73 %
167Has Terms of Service   Trust-0.121139 %70 %
168Search Result Host Length   Size-0.12261785 %63 %
169Search Result Domain Length   Size-0.12261785 %67 %
170Uses JSON-LD Answer   Other-0.12116 %55 %
171Uses JSON-LD FAQPage   Other-0.12116 %55 %
172Uses JSON-LD currency   Other-0.12113 %11 %
173Has OpenGraph Image   Relevancy-0.121154 %67 %
174Uses JSON-LD Question   Other-0.12116 %56 %
175Uses Schema itemreviewed   Other-0.12112 %14 %
176Uses Schema itemlist   Other-0.12114 %45 %
177Has US Phone Number   Trust-0.121145 %62 %
178Variations in I Tags   Relevancy-0.12234526 %69 %
179Variations in Class Attributes   Relevancy-0.1289525227 %75 %
180Percentage of NoFollow Links   Authority-0.1213325 %68 %
181Uses JSON-LD price   Other-0.12115 %34 %
182Has Meta Viewport   Technology-0.121183 %75 %
183Variations making whole H1 Tags   Relevancy-0.12118 %67 %
184Uses Schema breadcrumblist   Other-0.121140 %62 %
185Uses Schema listitem   Other-0.121140 %61 %
186Uses Schema url   Other-0.121153 %62 %
187Has Form   Technology-0.121156 %64 %
188Variations in Form Tags   Relevancy-0.1296112 %66 %
189Variations in Figure Tags   Relevancy-0.12350912 %70 %
190Uses JSON-LD Product   Other-0.12118 %44 %
191Title Word Count   Size-0.1217883 %72 %
192Number of Email Addresses   Trust-0.11980643 %75 %
193Uses JSON-LD image   Other-0.111115 %64 %
194Has Meta Charset   Technology-0.111177 %70 %
195Has Meta Twitter Card   Authority-0.111150 %61 %
196Has Meta Description   Relevancy-0.111166 %67 %
197Uses JSON-LD priceCurrency   Other-0.11117 %40 %
198Uses Schema aggregaterating   Other-0.11118 %59 %
199Percentage of NoFollow Internal Links   Authority-0.1113215 %66 %
200Has FavIcon   Technology-0.111175 %70 %