Measures 134242 SEO Factors

132520 Built-In SEO Factors

124280 On-page SEO Factors

8240 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 ( 53601 )
Relevancy SEO Factors ( 52589 )
Other SEO Factors ( 24950 )
Local SEO Factors ( 8073 )
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 ( 53597 )
Keywords SEO Factors ( 40692 )
Schema SEO Factors ( 24896 )
LSI SEO Factors ( 8397 )
Local SEO Factors ( 8074 )
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 2024-10     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-0.25131425879 %85 %
2Number of Distinct Entities Used   Diversity-0.24703077 %93 %
3Number of Unique Variations Used   Diversity-0.2351978 %88 %
4Search Result Domain is .com, .net, or .org   Other-0.22114 %61 %
5Number of Top 100 Shared Factors Used   Diversity-0.22393190 %91 %
6Number of Top 200 Shared Factors Used   Diversity-0.21534190 %91 %
7Entities in Title Tag   Relevancy-0.218368 %88 %
8Search Result Domain is .com   Other-0.21114 %61 %
9Number of Top 50 Shared Factors Used   Diversity-0.21171389 %89 %
10Variations in H1-H6 Tags   Relevancy-0.22081068 %89 %
11Entities in the HTML Tag   Relevancy-0.280814973 %93 %
12Variations in Body Tags   Relevancy-0.217388537678 %91 %
13Entities in Sentences   Relevancy-0.266814571 %93 %
14Variations in HTML Tags   Relevancy-0.217388537678 %91 %
15Variations in Div Tags   Relevancy-0.25940818175 %90 %
16Variations in H1, H2, and H3 Tags   Relevancy-0.2149867 %89 %
17Load Time Milliseconds   Performance-0.221841158483 %86 %
18Variations in H1 and H2 Tags   Relevancy-0.267565 %87 %
19Variations in Sentences   Relevancy-0.214625073 %90 %
20Variations in Search Result Link Text   Relevancy-0.27279 %77 %
21Variations in Search Result Display URL   Relevancy-0.197279 %78 %
22Number of Referring Domains   Authority-0.1984167246 %75 %
23Entities in H2 Tags-0.1932752 %90 %
24Number of Factors Used   Diversity-0.1943819190 %88 %
25Variations in P Tags   Relevancy-0.1937224168 %88 %
26Variations in Search Result URL Path   Relevancy-0.196252 %79 %
27Variations in Search Result Document File Name   Relevancy-0.194250 %79 %
28Number of Backlinks   Authority-0.1933878961146046 %77 %
29LSI Words in Title Tag   Relevancy-0.1914668 %92 %
30Entities in H3 Tags-0.1971743 %90 %
31LSI Words in Sentences   Relevancy-0.19478272668 %93 %
32Term Frequency   Relevancy-0.194377 %89 %
33Variations in Search Result URL   Relevancy-0.1914260 %74 %
34Variations in H2 Tags   Relevancy-0.1862447 %87 %
35Number of Do Follow Backlinks   Authority-0.182631595963839 %75 %
36Number of No Follow Backlinks   Authority-0.18756301235837 %74 %
37Leading Variations in H1-H6 Tags   Relevancy-0.1824249 %86 %
38Variations in A Tags   Relevancy-0.1873283369 %87 %
39Variations in LI Tags   Relevancy-0.181422768 %87 %
40Variations in Distinct A Tag HREF Attributes   Relevancy-0.1815274165 %88 %
41Variations in A Tag HREF Attributes   Relevancy-0.1830046166 %87 %
42Variations in First 100 Words   Relevancy-0.1829969 %82 %
43Leading Variations in H1, H2, and H3 Tags   Relevancy-0.1817247 %87 %
44Entities in H1 Tags-0.188256 %85 %
45Variations in the Title Tag   Relevancy-0.184270 %80 %
46Clean Keyword Density in the HTML Tag   Relevancy-0.18178571 %81 %
47Variations in the Canonical URL   Relevancy-0.1842254 %82 %
48Variation Density in Top 30KB   Relevancy-0.179366 %82 %
49Variations in Absolute URLs   Relevancy-0.17108078567 %88 %
50LSI Words in H2 Tags   Relevancy-0.171142056 %91 %
51Number of HTML Tags   Size-0.172990104483 %83 %
52Unabridged Word Count   Size-0.1710134193381 %83 %
53Variations in H1 Tags   Relevancy-0.175257 %80 %
54Word Count   Size-0.177088155781 %83 %
55Variations in Span Tags   Relevancy-0.1712521255 %83 %
56Clean Text Kilobytes   Size-0.17781377 %84 %
57Variations in Script Tags   Relevancy-0.178740312664 %88 %
58Number of Sentences   Size-0.17141912380 %87 %
59Variations in ALT Attributes   Relevancy-0.17638949 %84 %
60Entities in Meta Description Tag   Relevancy-0.1716456 %82 %
61Variations in Meta Description   Relevancy-0.175256 %79 %
62Variations in the last 100 words   Relevancy-0.1619553 %78 %
63Number of P Tags   Size-0.169293974 %82 %
64Variations in H3 Tags   Relevancy-0.1682437 %84 %
65Title Tag Has Entities   Relevancy-0.161168 %81 %
66LSI Words in H1 Tags   Relevancy-0.1628558 %88 %
67Number of Heading Tags   Size-0.162872176 %85 %
68Number of Images   Size-0.162553076 %81 %
69Variations in Main Tags   Relevancy-0.16394039035 %83 %
70Leading Variations in Title Tag   Relevancy-0.161135 %77 %
71Number of Includes   Technology-0.16552578 %74 %
72TF/IDF   Relevancy-0.161165 %80 %
73Entities in H4 Tags-0.1632322 %82 %
74Search Result Host Length   Size-0.16281979 %72 %
75Variations in Nav Tags   Relevancy-0.16133893549 %80 %
76Search Result Domain Length   Size-0.16281980 %73 %
77Number of Images with ALT Text   Size-0.162202171 %82 %
78Variation Count in Top 30KB   Relevancy-0.161172969 %81 %
79Number of H2 Tags   Size-0.1622767 %84 %
80Number of HTTPS Links   Authority-0.1658014779 %81 %
81Flesch Kincaid Reading Grade Level   Other-0.157286 %84 %
82LSI Words in Meta Description Tag   Relevancy-0.15291055 %86 %
83Number of Links   Authority-0.1558114979 %80 %
84Number of DoFollow Links   Authority-0.1557814479 %81 %
85Number of Internal Links   Authority-0.1560513579 %81 %
86Has Entities in H1 Tags   Relevancy-0.151157 %80 %
87Variations in Section Tags   Relevancy-0.159082738 %81 %
88Number of Questions   Size-0.151821163 %86 %
89Variations in OpenGraph Title   Relevancy-0.157255 %76 %
90Variations Making Whole Span Tags   Relevancy-0.1532123 %80 %
91Leading Variations in H2 Tags   Relevancy-0.157124 %85 %
92Variations in OpenGraph Description   Relevancy-0.1526249 %77 %
93Percentage of DoFollow Internal Links   Authority-0.15957577 %81 %
94LSI Words in H3 Tags   Relevancy-0.151771949 %89 %
95Leading Variations in H1 Tags   Relevancy-0.152130 %76 %
96Search Result Not .com .net or .org   Other-0.151180 %13 %
97Page Size Kilobytes   Size-0.15104925682 %83 %
98Variations Making Whole LI Tags   Relevancy-0.156129 %77 %
99Number of Absolute URLs   Authority-0.15341427981 %81 %
100Has JSON-LD Schema Markup   Relevancy-0.151152 %71 %
101Number of Facebook Pages   Authority-0.1529257 %73 %
102Has Entities in H2 Tags   Relevancy-0.151153 %80 %
103Number Of JSON-LD Types   Relevancy-0.155821454 %80 %
104Number of H3 Tags   Size-0.1534859 %82 %
105Number of Questions In Headings   Size-0.158234 %81 %
106Variations in TITLE Attributes   Relevancy-0.15404839 %81 %
107Number of CSS Includes   Technology-0.1524970 %69 %
108Variations making whole H1, H2, and H3 Tags   Relevancy-0.153115 %76 %
109Variations making whole H1-H6 Tags   Relevancy-0.153117 %77 %
110Percentage of DoFollow Links   Authority-0.141008578 %85 %
111Number of H1 Tags   Size-0.1427269 %83 %
112Variations in H4-H6 Tags   Relevancy-0.1459221 %75 %
113Inline CSS Kilobytes   Size-0.141975359 %81 %
114Has Entities in H3 Tags   Relevancy-0.141145 %80 %
115Variations in Footer Tags   Relevancy-0.141201036 %80 %
116Variations making whole A Tags   Relevancy-0.14181233 %76 %
117Number of HTML Comments   Size-0.143954168 %81 %
118Has Meta Charset   Technology-0.141171 %75 %
119Uses JSON-LD Map   Other-0.14112 %15 %
120Variations in I Tags   Relevancy-0.1465627 %76 %
121Number of JavaScript Includes   Technology-0.14331778 %76 %
122Variations in H4 Tags   Relevancy-0.1426216 %74 %
123Number of External Links   Authority-0.143231674 %79 %
124Variations in Strong Tags   Relevancy-0.1436328 %76 %
125Headings Has Question   Other-0.141134 %73 %
126Leading Variations in H3 Tags   Relevancy-0.149118 %81 %
127Inline JavaScript Kilobytes   Size-0.148858178 %81 %
128Uses Schema map   Other-0.14112 %15 %
129Number of DoFollow External Links   Authority-0.143191473 %77 %
130Has Meta Viewport   Technology-0.141178 %79 %
131Search Result Number of Dirs in Path   Other-0.144271 %73 %
132Meta Description Tag Has Entities   Relevancy-0.141156 %72 %
133Number of Instagram Pages   Authority-0.1316239 %72 %
134Exact Matches in the HTML Tag   Relevancy-0.134141026 %87 %
135Number of Prices   Size-0.137245765 %81 %
136Has DocType Tag   Technology-0.131173 %52 %
137Has Canonical URL   Authority-0.131168 %74 %
138Is Home Page   Other-0.131114 %48 %
139Number of Questions In H3 Tags   Size-0.136115 %78 %
140Number of Forms   Technology-0.1312254 %75 %
141Number of Questions In H2 Tags   Size-0.134120 %75 %
142Variations in Search Result Summary   Relevancy-0.1344381 %66 %
143Variations in Class Attributes   Relevancy-0.13102671527 %77 %
144LSI Words in H4 Tags   Relevancy-0.1352729 %81 %
145Variations in Style Tags   Relevancy-0.13162691618 %79 %
146Number of Images without ALT Text   Size-0.13611058 %79 %
147Uses Schema listitem   Other-0.131139 %63 %
148Uses Schema postaladdress   Other-0.131118 %63 %
149Number of Twitter Accounts   Authority-0.135130 %71 %
150Uses Schema streetaddress   Other-0.131116 %61 %
151Number of H4 Tags   Size-0.1339436 %74 %
152Has Entities in H4 Tags   Relevancy-0.131123 %73 %
153Title Length   Size-0.131005378 %72 %
154Average Words Per Sentence   Size-0.138725177 %75 %
155Meta Description Length   Size-0.1343112064 %73 %
156Uses Schema name   Other-0.131156 %66 %
157Title Word Count   Size-0.1315878 %74 %
158Uses Schema addresslocality   Other-0.131117 %63 %
159Uses JSON-LD streetAddress   Other-0.131114 %62 %
160Number of Social Pages   Authority-0.1331461 %72 %
161Number of LinkedIn Pages   Authority-0.136126 %71 %
162Variations making whole H1 Tags   Relevancy-0.13119 %72 %
163Uses JSON-LD name   Other-0.131150 %67 %
164Uses JSON-LD PostalAddress   Other-0.131116 %64 %
165Uses Schema postalcode   Other-0.131116 %61 %
166Search Result Uses HTTPS   Other-0.131183 %80 %
167Has Schema Markup   Relevancy-0.131160 %70 %
168Uses JSON-LD addressLocality   Other-0.131115 %63 %
169Number of Social Accounts   Authority-0.1311244 %73 %
170Variations in Button Tags   Relevancy-0.133536410 %76 %
171Uses JSON-LD postalCode   Other-0.131114 %62 %
172Uses Schema breadcrumblist   Other-0.131138 %63 %
173Number of Nofollow Links   Authority-0.1367627 %74 %
174Uses JSON-LD ListItem   Other-0.131134 %62 %
175Leading Variations in H4-H6 Tags   Relevancy-0.138110 %71 %
176Uses Schema addressregion   Other-0.131116 %61 %
177Search Result Summary Length   Size-0.1317615086 %67 %
178Word Count in Meta Description   Size-0.13702064 %73 %
179Has Meta Description   Relevancy-0.121163 %68 %
180Has Contact Page   Trust-0.121161 %68 %
181Variations in ID Attributes   Relevancy-0.1270214 %78 %
182Has FavIcon   Technology-0.121172 %74 %
183Variations in Form Tags   Relevancy-0.12226113 %75 %
184Has Privacy Policy   Trust-0.121155 %74 %
185Uses Schema faqpage   Other-0.12117 %62 %
186Number of Meta Generator Tags   Technology-0.122131 %54 %
187Variations in Meta Twitter Description   Relevancy-0.123122 %71 %
188Variations in B Tags   Relevancy-0.12374313 %74 %
189Uses JSON-LD BreadcrumbList   Other-0.121133 %63 %
190Uses JSON-LD addressRegion   Other-0.121115 %62 %
191Exact Matches in Top 30KB   Relevancy-0.1224219 %70 %
192Has Form   Technology-0.121152 %67 %
193Uses Schema telephone   Other-0.121118 %60 %
194Uses Schema pricerange   Other-0.12119 %49 %
195Variations in Article Tags   Relevancy-0.126331523 %70 %
196Percentage of DoFollow External Links   Authority-0.12311170 %70 %
197Uses Schema url   Other-0.121151 %61 %
198Has Meta Twitter Card   Authority-0.121148 %62 %
199Number of Email Addresses   Trust-0.121118840 %74 %
200Uses JSON-LD FAQPage   Other-0.12116 %60 %