Measures 135966 SEO Factors

134244 Built-In SEO Factors

125865 On-page SEO Factors

8379 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 ( 53667 )
Relevancy SEO Factors ( 52749 )
Other SEO Factors ( 26164 )
Local SEO Factors ( 8202 )
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 ( 53663 )
Keywords SEO Factors ( 40829 )
Schema SEO Factors ( 26110 )
LSI SEO Factors ( 8413 )
Local SEO Factors ( 8203 )
Entities SEO Factors ( 3485 )
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 - today - next

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-0.25131426280 %84 %
2Number of Distinct Entities Used   Diversity-0.24702977 %93 %
3Number of Unique Variations Used   Diversity-0.2351979 %88 %
4Search Result Domain is .com, .net, or .org   Other-0.22114 %63 %
5Number of Top 100 Shared Factors Used   Diversity-0.22403191 %92 %
6Search Result Domain is .com   Other-0.21114 %63 %
7Number of Top 200 Shared Factors Used   Diversity-0.21534191 %92 %
8Variations in Body Tags   Relevancy-0.2117388538078 %92 %
9Entities in Title Tag   Relevancy-0.218368 %89 %
10Variations in HTML Tags   Relevancy-0.2117388537878 %92 %
11Number of Top 50 Shared Factors Used   Diversity-0.21171390 %90 %
12Variations in H1-H6 Tags   Relevancy-0.212381068 %89 %
13Entities in the HTML Tag   Relevancy-0.280814772 %94 %
14Entities in Sentences   Relevancy-0.266814370 %94 %
15Variations in H1, H2, and H3 Tags   Relevancy-0.2152868 %89 %
16Variations in Div Tags   Relevancy-0.25940818175 %90 %
17Load Time Milliseconds   Performance-0.221841159083 %87 %
18Variations in Search Result Link Text   Relevancy-0.27280 %78 %
19Variations in Search Result Display URL   Relevancy-0.27280 %78 %
20Variations in Sentences   Relevancy-0.232265173 %91 %
21Variations in H1 and H2 Tags   Relevancy-0.267565 %88 %
22Number of Factors Used   Diversity-0.243819191 %88 %
23Variations in P Tags   Relevancy-0.1937224269 %89 %
24Entities in H2 Tags-0.1938752 %91 %
25Number of Referring Domains   Authority-0.1984166946 %75 %
26Variations in Search Result URL Path   Relevancy-0.1911253 %79 %
27Variations in Search Result Document File Name   Relevancy-0.199251 %79 %
28Number of Backlinks   Authority-0.1933878961078846 %76 %
29Leading Variations in H1-H6 Tags   Relevancy-0.1927249 %87 %
30Term Frequency   Relevancy-0.196378 %90 %
31Variations in Search Result URL   Relevancy-0.1920261 %74 %
32LSI Words in Title Tag   Relevancy-0.1914667 %92 %
33Variations in H2 Tags   Relevancy-0.1962448 %87 %
34Variations in A Tags   Relevancy-0.1973283470 %88 %
35Entities in H3 Tags-0.1871743 %90 %
36Variations in LI Tags   Relevancy-0.1816362768 %88 %
37Leading Variations in H1, H2, and H3 Tags   Relevancy-0.1818247 %88 %
38LSI Words in Sentences   Relevancy-0.18478271767 %93 %
39Number of Do Follow Backlinks   Authority-0.182631595880839 %74 %
40Variations in A Tag HREF Attributes   Relevancy-0.1830046166 %88 %
41Number of No Follow Backlinks   Authority-0.18756301252538 %74 %
42Variations in the Title Tag   Relevancy-0.1816270 %81 %
43Variations in Distinct A Tag HREF Attributes   Relevancy-0.1815864066 %89 %
44Variations in First 100 Words   Relevancy-0.18190969 %82 %
45Clean Keyword Density in the HTML Tag   Relevancy-0.18187572 %81 %
46Entities in H1 Tags-0.188256 %85 %
47Variations in the Canonical URL   Relevancy-0.1842255 %82 %
48Variation Density in Top 30KB   Relevancy-0.17320366 %83 %
49Variations in Absolute URLs   Relevancy-0.17108078867 %88 %
50Variations in Script Tags   Relevancy-0.178740312664 %88 %
51Variations in H1 Tags   Relevancy-0.1715258 %80 %
52Number of HTML Tags   Size-0.172990105183 %84 %
53Unabridged Word Count   Size-0.1710134193182 %84 %
54Word Count   Size-0.177088155782 %84 %
55Number of Sentences   Size-0.17141912281 %87 %
56Variations in ALT Attributes   Relevancy-0.17638950 %85 %
57Variations in Span Tags   Relevancy-0.1712521355 %84 %
58Clean Text Kilobytes   Size-0.17781377 %85 %
59LSI Words in H2 Tags   Relevancy-0.171182056 %92 %
60Variations in Meta Description   Relevancy-0.1738257 %81 %
61Entities in Meta Description Tag   Relevancy-0.1716356 %83 %
62Number of Heading Tags   Size-0.162872176 %86 %
63Variations in H3 Tags   Relevancy-0.1695437 %85 %
64Number of P Tags   Size-0.169293975 %84 %
65Leading Variations in Title Tag   Relevancy-0.161135 %77 %
66Number of Includes   Technology-0.16662578 %76 %
67Variations in Main Tags   Relevancy-0.16394039135 %84 %
68Number of Images   Size-0.162553077 %82 %
69Variations in the last 100 words   Relevancy-0.16187553 %78 %
70Variations in Nav Tags   Relevancy-0.16133893649 %81 %
71Variations in OpenGraph Title   Relevancy-0.167255 %78 %
72Variation Count in Top 30KB   Relevancy-0.1646973070 %81 %
73TF/IDF   Relevancy-0.161165 %81 %
74LSI Words in H1 Tags   Relevancy-0.1628557 %89 %
75Number of Images with ALT Text   Size-0.162202172 %84 %
76Variations in OpenGraph Description   Relevancy-0.1626250 %78 %
77Number of H2 Tags   Size-0.1622767 %85 %
78Number of HTTPS Links   Authority-0.1658014879 %82 %
79Title Tag Has Entities   Relevancy-0.161168 %81 %
80Leading Variations in H2 Tags   Relevancy-0.157124 %85 %
81Entities in H4 Tags-0.1532322 %83 %
82Number of Questions   Size-0.151821163 %86 %
83Leading Variations in H1 Tags   Relevancy-0.152130 %77 %
84Number of Links   Authority-0.1558115080 %81 %
85Number of Internal Links   Authority-0.1560513579 %82 %
86Number of DoFollow Links   Authority-0.1557814580 %82 %
87LSI Words in Meta Description Tag   Relevancy-0.15291054 %87 %
88Variations in Section Tags   Relevancy-0.1515352838 %82 %
89Page Size Kilobytes   Size-0.15147826082 %84 %
90Number Of JSON-LD Types   Relevancy-0.155821455 %81 %
91Search Result Host Length   Size-0.15281880 %71 %
92Variations Making Whole Span Tags   Relevancy-0.1532123 %80 %
93Search Result Domain Length   Size-0.15281880 %72 %
94Has Entities in H1 Tags   Relevancy-0.151157 %80 %
95Number of Facebook Pages   Authority-0.1529257 %74 %
96Has JSON-LD Schema Markup   Relevancy-0.151153 %72 %
97Number of Absolute URLs   Authority-0.15513528382 %82 %
98LSI Words in H3 Tags   Relevancy-0.151771949 %90 %
99Flesch Kincaid Reading Grade Level   Other-0.157287 %84 %
100Variations Making Whole LI Tags   Relevancy-0.156129 %78 %
101Number of H3 Tags   Size-0.1534860 %83 %
102Percentage of DoFollow Internal Links   Authority-0.15957577 %81 %
103Has Entities in H2 Tags   Relevancy-0.151153 %80 %
104Number of Questions In Headings   Size-0.1511234 %82 %
105Variations in TITLE Attributes   Relevancy-0.15404840 %82 %
106Number of CSS Includes   Technology-0.1531970 %71 %
107Variations in Footer Tags   Relevancy-0.1429631137 %81 %
108Variations making whole H1, H2, and H3 Tags   Relevancy-0.143115 %76 %
109Variations making whole H1-H6 Tags   Relevancy-0.143117 %78 %
110Variations making whole A Tags   Relevancy-0.14181234 %76 %
111Number of H1 Tags   Size-0.1427270 %82 %
112Variations in H4-H6 Tags   Relevancy-0.1487221 %76 %
113Inline CSS Kilobytes   Size-0.142275460 %81 %
114Percentage of DoFollow Links   Authority-0.141008578 %85 %
115Has Entities in H3 Tags   Relevancy-0.141144 %81 %
116Uses JSON-LD Map   Other-0.14112 %13 %
117Number of JavaScript Includes   Technology-0.14361779 %77 %
118Variations in I Tags   Relevancy-0.14436627 %77 %
119Exact Matches in the HTML Tag   Relevancy-0.144141026 %87 %
120Variations in Strong Tags   Relevancy-0.14246328 %77 %
121Number of HTML Comments   Size-0.144584369 %81 %
122Search Result Not .com .net or .org   Other-0.141182 %14 %
123Leading Variations in H3 Tags   Relevancy-0.1411118 %82 %
124Inline JavaScript Kilobytes   Size-0.1413318379 %81 %
125Number of External Links   Authority-0.143231675 %79 %
126Uses Schema map   Other-0.14112 %13 %
127Search Result Number of Dirs in Path   Other-0.144272 %73 %
128Number of Instagram Pages   Authority-0.1416240 %72 %
129Variations in H4 Tags   Relevancy-0.1474216 %75 %
130Headings Has Question   Other-0.141134 %73 %
131Number of DoFollow External Links   Authority-0.143191473 %77 %
132Has Meta Charset   Technology-0.141172 %75 %
133Meta Description Tag Has Entities   Relevancy-0.131156 %73 %
134Number of Prices   Size-0.137245966 %81 %
135Number of Forms   Technology-0.1312254 %75 %
136Has Meta Viewport   Technology-0.131178 %78 %
137Variations in Search Result Summary   Relevancy-0.1344382 %65 %
138Has Canonical URL   Authority-0.131169 %74 %
139Uses Schema postaladdress   Other-0.131118 %64 %
140Number of Questions In H2 Tags   Size-0.134121 %76 %
141Is Home Page   Other-0.131114 %48 %
142Number of Questions In H3 Tags   Size-0.138115 %78 %
143Number of Social Pages   Authority-0.1331462 %74 %
144Variations in Button Tags   Relevancy-0.133536410 %77 %
145Number of Twitter Accounts   Authority-0.135130 %71 %
146Uses Schema name   Other-0.131158 %67 %
147Uses Schema listitem   Other-0.131139 %64 %
148Variations in Class Attributes   Relevancy-0.13102671627 %78 %
149Uses Schema streetaddress   Other-0.131117 %62 %
150Number of H4 Tags   Size-0.1339437 %74 %
151Has DocType Tag   Technology-0.131174 %50 %
152Number of Images without ALT Text   Size-0.131111059 %80 %
153Uses JSON-LD PostalAddress   Other-0.131116 %64 %
154Variations in Style Tags   Relevancy-0.13162691818 %79 %
155Meta Description Length   Size-0.13711912365 %74 %
156Uses JSON-LD name   Other-0.131152 %68 %
157Uses Schema addresslocality   Other-0.131118 %64 %
158Uses JSON-LD streetAddress   Other-0.131115 %62 %
159Number of LinkedIn Pages   Authority-0.136126 %71 %
160Uses JSON-LD addressLocality   Other-0.131115 %64 %
161Uses JSON-LD postalCode   Other-0.131115 %63 %
162Uses Schema postalcode   Other-0.131117 %62 %
163Has Schema Markup   Relevancy-0.131162 %71 %
164Title Word Count   Size-0.1322879 %73 %
165Title Length   Size-0.131005279 %72 %
166Average Words Per Sentence   Size-0.138724977 %75 %
167Uses Schema addressregion   Other-0.131117 %62 %
168Word Count in Meta Description   Size-0.131032065 %73 %
169Uses JSON-LD ListItem   Other-0.131135 %63 %
170Uses Schema breadcrumblist   Other-0.131139 %64 %
171Has Entities in H4 Tags   Relevancy-0.131123 %73 %
172Variations in Meta Twitter Description   Relevancy-0.134123 %72 %
173Variations in ID Attributes   Relevancy-0.13503214 %79 %
174Uses JSON-LD addressRegion   Other-0.131115 %62 %
175Number of Social Accounts   Authority-0.1314245 %73 %
176LSI Words in H4 Tags   Relevancy-0.1352729 %82 %
177Number of Nofollow Links   Authority-0.1367527 %74 %
178Variations making whole H1 Tags   Relevancy-0.13119 %72 %
179Number Of Claimed Brands   Other-0.1321222 %70 %
180Search Result Uses HTTPS   Other-0.131183 %79 %
181Has Meta Description   Relevancy-0.131164 %70 %
182Uses Schema faqpage   Other-0.12117 %61 %
183Number of US Phone Numbers   Trust-0.122351039 %71 %
184Uses JSON-LD BreadcrumbList   Other-0.121134 %64 %
185Variations in Form Tags   Relevancy-0.12226113 %74 %
186Leading Variations in H4-H6 Tags   Relevancy-0.1210110 %72 %
187Search Result Summary Length   Size-0.1219015087 %67 %
188Number of Email Addresses   Trust-0.121582940 %76 %
189Uses Schema url   Other-0.121153 %62 %
190Uses Schema answer   Other-0.12117 %62 %
191Variations in B Tags   Relevancy-0.12374313 %73 %
192Uses Schema question   Other-0.12117 %62 %
193Variations in Article Tags   Relevancy-0.1212301624 %70 %
194Variations in OpenGraph Site Name   Relevancy-0.125117 %70 %
195Has Contact Page   Trust-0.121161 %68 %
196Uses Schema telephone   Other-0.121118 %61 %
197Uses Schema pricerange   Other-0.12119 %51 %
198Has Form   Technology-0.121153 %67 %
199Uses JSON-LD FAQPage   Other-0.12116 %59 %
200Has Privacy Policy   Trust-0.121156 %73 %