Measures 137028 SEO Factors

135306 Built-In SEO Factors

126901 On-page SEO Factors

8405 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 ( 53712 )
Relevancy SEO Factors ( 52896 )
Other SEO Factors ( 26355 )
Local SEO Factors ( 8226 )
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 ( 53708 )
Keywords SEO Factors ( 40927 )
Schema SEO Factors ( 26301 )
LSI SEO Factors ( 8445 )
Local SEO Factors ( 8227 )
Entities SEO Factors ( 3502 )
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 2024-12     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-0.24107126686 %71 %
2Number of Unique Variations Used   Diversity-0.2341984 %88 %
3Number of Distinct Entities Used   Diversity-0.23782878 %91 %
4Search Result Domain is .com, .net, or .org   Other-0.23115 %74 %
5Search Result Domain is .com   Other-0.22115 %78 %
6Number of Top 100 Shared Factors Used   Diversity-0.21393098 %93 %
7Number of Top 200 Shared Factors Used   Diversity-0.21534098 %93 %
8Entities in Title Tag   Relevancy-0.28369 %88 %
9Variations in Body Tags   Relevancy-0.29261538883 %89 %
10Variations in HTML Tags   Relevancy-0.29261538783 %89 %
11Variations in Div Tags   Relevancy-0.22756418479 %87 %
12Load Time Milliseconds   Performance-0.223871158487 %91 %
13Variations in H1, H2, and H3 Tags   Relevancy-0.2189871 %87 %
14Variations in H1-H6 Tags   Relevancy-0.22781072 %87 %
15Number of Top 50 Shared Factors Used   Diversity-0.2171396 %87 %
16Variations in Sentences   Relevancy-0.240795477 %87 %
17Number of Factors Used   Diversity-0.254919098 %90 %
18Variations in H1 and H2 Tags   Relevancy-0.294569 %85 %
19Number of Includes   Technology-0.2542581 %77 %
20Variations in P Tags   Relevancy-0.1925134772 %87 %
21Variations in Search Result Document File Name   Relevancy-0.1921254 %82 %
22Entities in the HTML Tag   Relevancy-0.1992813773 %90 %
23Entities in Sentences   Relevancy-0.1981813371 %90 %
24Variations in Search Result URL Path   Relevancy-0.1926257 %82 %
25Variations in Search Result Link Text   Relevancy-0.194286 %76 %
26Variations in A Tags   Relevancy-0.1935023373 %86 %
27Variations in the Title Tag   Relevancy-0.1912274 %80 %
28Variations in Search Result Display URL   Relevancy-0.1912286 %80 %
29Variations in LI Tags   Relevancy-0.1813092871 %86 %
30Term Frequency   Relevancy-0.186383 %87 %
31Variations in Search Result URL   Relevancy-0.1820265 %79 %
32Entities in H2 Tags-0.1840652 %88 %
33Clean Keyword Density in the HTML Tag   Relevancy-0.18197576 %79 %
34Variations in the Canonical URL   Relevancy-0.1854257 %84 %
35Leading Variations in H1-H6 Tags   Relevancy-0.1825250 %84 %
36Variations in First 100 Words   Relevancy-0.18364974 %86 %
37Number of Referring Domains   Authority-0.1823094144 %66 %
38Variations in H2 Tags   Relevancy-0.1875450 %84 %
39Variation Density in Top 30KB   Relevancy-0.18570470 %86 %
40Leading Variations in H1, H2, and H3 Tags   Relevancy-0.1817248 %85 %
41Variations in H1 Tags   Relevancy-0.1823261 %79 %
42Number of CSS Includes   Technology-0.1826973 %77 %
43Number of Backlinks   Authority-0.17430897681445 %68 %
44Entities in H3 Tags-0.1754643 %88 %
45Variations in A Tag HREF Attributes   Relevancy-0.1718745768 %87 %
46Entities in H1 Tags-0.176256 %84 %
47Number of Facebook Pages   Authority-0.177260 %79 %
48Variations in Meta Description   Relevancy-0.1735259 %80 %
49Has JSON-LD Schema Markup   Relevancy-0.171155 %76 %
50Variations in Distinct A Tag HREF Attributes   Relevancy-0.1712343868 %87 %
51Variations in ALT Attributes   Relevancy-0.174491252 %84 %
52Variations in Script Tags   Relevancy-0.172858511969 %85 %
53Variations in Absolute URLs   Relevancy-0.17130148670 %91 %
54Number of Do Follow Backlinks   Authority-0.17256632305537 %67 %
55Number of No Follow Backlinks   Authority-0.17419189408736 %66 %
56Leading Variations in Title Tag   Relevancy-0.161136 %76 %
57Unabridged Word Count   Size-0.1640633187786 %82 %
58Number of HTML Tags   Size-0.164033108387 %82 %
59Word Count   Size-0.1640370149886 %82 %
60Variations in Span Tags   Relevancy-0.169511357 %83 %
61Number of Images   Size-0.164403681 %83 %
62Number of Sentences   Size-0.16112112386 %83 %
63Variations in OpenGraph Title   Relevancy-0.1613258 %76 %
64Variations in OpenGraph Description   Relevancy-0.1639253 %78 %
65Exact Matches in the HTML Tag   Relevancy-0.16724927 %82 %
66Leading Variations in H1 Tags   Relevancy-0.162131 %82 %
67Entities in Meta Description Tag   Relevancy-0.1614357 %84 %
68Number of P Tags   Size-0.162263779 %82 %
69LSI Words in Sentences   Relevancy-0.16369362964 %90 %
70Clean Text Kilobytes   Size-0.165821380 %86 %
71TF/IDF   Relevancy-0.161168 %79 %
72Variation Count in Top 30KB   Relevancy-0.1658713773 %84 %
73Variations in H3 Tags   Relevancy-0.1680438 %83 %
74Number of Heading Tags   Size-0.16532180 %81 %
75Variations in Nav Tags   Relevancy-0.1661933451 %81 %
76Number of Images with ALT Text   Size-0.164112575 %87 %
77Variations in Main Tags   Relevancy-0.1580268838 %80 %
78Number of H2 Tags   Size-0.1538770 %80 %
79LSI Words in Title Tag   Relevancy-0.1513564 %88 %
80Number of Instagram Pages   Authority-0.1522243 %77 %
81Number of Links   Authority-0.1577615283 %77 %
82Number of Questions   Size-0.151331168 %84 %
83Number of HTTPS Links   Authority-0.1576314983 %82 %
84Variations in Footer Tags   Relevancy-0.1525251139 %80 %
85Variations in Section Tags   Relevancy-0.1520722640 %81 %
86Number of DoFollow Links   Authority-0.1568814783 %82 %
87Number of Internal Links   Authority-0.1562213583 %82 %
88Percentage of DoFollow Links   Authority-0.151008583 %86 %
89Variations in the last 100 words   Relevancy-0.15358557 %83 %
90Page Size Kilobytes   Size-0.14106627486 %84 %
91Number of Absolute URLs   Authority-0.14114327286 %84 %
92Number of H1 Tags   Size-0.144274 %78 %
93Leading Variations in H2 Tags   Relevancy-0.148125 %84 %
94Percentage of DoFollow Internal Links   Authority-0.14957483 %82 %
95Variations in TITLE Attributes   Relevancy-0.14302842 %78 %
96Has Entities in H1 Tags   Relevancy-0.141157 %79 %
97Number Of JSON-LD Types   Relevancy-0.146231459 %83 %
98Number of H3 Tags   Size-0.1426863 %79 %
99Title Tag Has Entities   Relevancy-0.141169 %80 %
100Variations Making Whole Span Tags   Relevancy-0.1414122 %79 %
101Number of JavaScript Includes   Technology-0.14411783 %77 %
102Variations Making Whole LI Tags   Relevancy-0.149128 %74 %
103Variations making whole H1-H6 Tags   Relevancy-0.146117 %75 %
104Number of Questions In Headings   Size-0.1410236 %84 %
105Search Result Number of Dirs in Path   Other-0.144279 %73 %
106LSI Words in H1 Tags   Relevancy-0.1416454 %86 %
107Variations making whole A Tags   Relevancy-0.1440233 %74 %
108Inline CSS Kilobytes   Size-0.142355565 %84 %
109Number of External Links   Authority-0.141541679 %81 %
110Variations making whole H1, H2, and H3 Tags   Relevancy-0.142115 %74 %
111Number of HTML Comments   Size-0.1412855576 %80 %
112Number of LinkedIn Pages   Authority-0.143127 %74 %
113LSI Words in H2 Tags   Relevancy-0.141261852 %88 %
114Flesch Kincaid Reading Grade Level   Other-0.147294 %83 %
115Number of Facebook Accounts   Authority-0.143130 %72 %
116Variations in Strong Tags   Relevancy-0.13343330 %77 %
117Number of Twitter Accounts   Authority-0.136131 %73 %
118Has Entities in H2 Tags   Relevancy-0.131153 %79 %
119Exact Matches in H1-H6 Tags   Relevancy-0.1312118 %80 %
120Number of DoFollow External Links   Authority-0.13951477 %80 %
121Number of Images without ALT Text   Size-0.132241161 %83 %
122Inline JavaScript Kilobytes   Size-0.134549083 %82 %
123Number of Prices   Size-0.137346770 %83 %
124Headings Has Question   Other-0.131136 %76 %
125Variations in I Tags   Relevancy-0.13496628 %73 %
126Number of Forms   Technology-0.1313359 %69 %
127LSI Words in Meta Description Tag   Relevancy-0.1330951 %85 %
128Has Entities in H3 Tags   Relevancy-0.131144 %79 %
129Has Meta Viewport   Technology-0.131184 %76 %
130Has Meta Charset   Technology-0.131178 %69 %
131Word Count in Meta Description   Size-0.131482069 %73 %
132Variations in Style Tags   Relevancy-0.13263593519 %76 %
133Search Result Uses HTTPS   Other-0.131186 %83 %
134Variations in Button Tags   Relevancy-0.131175410 %77 %
135Uses Schema name   Other-0.131162 %70 %
136Number of Social Pages   Authority-0.1325467 %76 %
137Has Canonical URL   Authority-0.131174 %77 %
138Exact Matches in Sentences   Relevancy-0.1394318 %83 %
139Exact Matches in Top 30KB   Relevancy-0.1325216 %80 %
140Variations making whole H1 Tags   Relevancy-0.13119 %72 %
141Number of US Phone Numbers   Trust-0.133701043 %75 %
142Average Words Per Sentence   Size-0.133413882 %73 %
143Number of Nofollow Links   Authority-0.13175529 %77 %
144Number of Questions In H2 Tags   Size-0.135122 %79 %
145Percentage of DoFollow External Links   Authority-0.12461276 %75 %
146Entities in H4 Tags-0.1218221 %81 %
147Variations in Meta Twitter Description   Relevancy-0.1225124 %70 %
148Leading Variations in H3 Tags   Relevancy-0.1210118 %80 %
149Meta Description Length   Size-0.1292112369 %77 %
150Uses JSON-LD name   Other-0.121156 %70 %
151Variations in Value Attributes   Relevancy-0.12181215 %71 %
152Number of Questions In H3 Tags   Size-0.129117 %78 %
153Search Result Host Length   Size-0.12261887 %70 %
154Has Privacy Policy   Trust-0.121159 %75 %
155Search Result Domain Length   Size-0.12261887 %75 %
156Variations in ID Attributes   Relevancy-0.12423215 %76 %
157Uses Schema pricecurrency   Other-0.12118 %43 %
158Number of Email Addresses   Trust-0.1220301043 %78 %
159Has Meta Description   Relevancy-0.121168 %69 %
160Has Form   Technology-0.121158 %64 %
161Variations in Article Tags   Relevancy-0.1214242025 %67 %
162Title Word Count   Size-0.1220885 %74 %
163Meta Description Tag Has Entities   Relevancy-0.121156 %75 %
164LSI Words in H3 Tags   Relevancy-0.121201745 %87 %
165Number of H4 Tags   Size-0.1221439 %70 %
166Uses Schema url   Other-0.121156 %67 %
167Variations in H4-H6 Tags   Relevancy-0.1293221 %75 %
168Variations in Meta Twitter Content   Relevancy-0.1212127 %68 %
169Has Schema Markup   Relevancy-0.121165 %73 %
170Uses Schema aggregaterating   Other-0.121110 %61 %
171Uses JSON-LD priceCurrency   Other-0.12117 %42 %
172Is Home Page   Other-0.121115 %42 %
173Uses Schema product   Other-0.121110 %52 %
174Exact Matches in Title Tag   Relevancy-0.122116 %78 %
175Uses JSON-LD description   Other-0.121143 %66 %
176Uses JSON-LD url   Other-0.121146 %72 %
177Uses Schema geocircle   Other-0.12112 %17 %
178Uses JSON-LD GeoCircle   Other-0.12112 %18 %
179Number of Social Accounts   Authority-0.1211248 %73 %
180Variations in H4 Tags   Relevancy-0.1250216 %72 %
181Variations in Class Attributes   Relevancy-0.1276311627 %76 %
182Title Length   Size-0.121355285 %74 %
183Number Of Claimed Brands   Other-0.1291323 %75 %
184Percentage of NoFollow Links   Authority-0.1210327 %74 %
185Uses Schema price   Other-0.12117 %39 %
186Variations in HTML Comment Tags   Relevancy-0.12309210 %73 %
187Has OpenGraph Type   Relevancy-0.121162 %68 %
188Variations in Figure Tags   Relevancy-0.12361813 %70 %
189Uses Schema addressregion   Other-0.121117 %58 %
190Uses JSON-LD Product   Other-0.12118 %52 %
191Has US Phone Number   Trust-0.121144 %66 %
192Uses Schema ratingvalue   Other-0.12119 %59 %
193Uses JSON-LD addressLocality   Other-0.121115 %60 %
194Uses JSON-LD addressRegion   Other-0.121115 %59 %
195Has FavIcon   Technology-0.121176 %72 %
196Uses JSON-LD price   Other-0.12116 %37 %
197Uses Schema inlanguage   Other-0.121131 %57 %
198Uses Schema offer   Other-0.12118 %48 %
199Uses Schema availability   Other-0.12117 %36 %
200Uses JSON-LD AggregateRating   Other-0.12118 %64 %