Measures 16727 SEO Factors

15534 Built-In SEO Factors

9817 On-page SEO Factors

5717 Google Maps SEO Factors for Local SEO

1193 SEO Factors from APIs

147 API SEO Factors for off-page SEO like backlinks and referring domains.

[ Ahrefs, SEMRush, DomDetailer, SpyFu APIs ]

1046 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

Other SEO Factors ( 8424 )
Local SEO Factors ( 5539 )
Technology SEO Factors ( 745 )
Relevancy SEO Factors ( 200 )
Authority SEO Factors ( 160 )
Size SEO Factors ( 51 )
Pay Per Click SEO Factors ( 29 )
Trust SEO Factors ( 15 )
Diversity SEO Factors ( 8 )
Performance SEO Factors ( 1 )

SEO Factor Type

Schema SEO Factors ( 8372 )
Local SEO Factors ( 5540 )
Other SEO Factors ( 846 )
Keywords SEO Factors ( 159 )
Backlinks SEO Factors ( 72 )
Social SEO Factors ( 58 )
Size SEO Factors ( 36 )
Page Links SEO Factors ( 29 )
Structure SEO Factors ( 23 )
Entities SEO Factors ( 14 )
Meta SEO Factors ( 14 )
LSI SEO Factors ( 9 )
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 2022-12     previous

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

NameCorrelation#1 MaxPage 1 AvgUsage %Searches %
1Variations in Search Result Display URL   Relevancy-0.283286 %85 %
2Variations in Search Result Link Text   Relevancy-0.283286 %85 %
3Number of Referring Domains   Authority-0.26551116670 %52 %
4Number of Top 100 Shared Factors Used   Diversity-0.26453297 %98 %
5Number of Distinct Entities Used   Diversity-0.25742482 %94 %
6Number of Unique LSI Words Used   Diversity-0.25113827086 %85 %
7Variations in Search Result URL Path   Relevancy-0.254259 %86 %
8Number of Top 200 Shared Factors Used   Diversity-0.25594397 %99 %
9Number of No Follow Backlinks   Authority-0.25107871215862 %51 %
10Number of Backlinks   Authority-0.2515558012583769 %55 %
11Variations in H1, H2, and H3 Tags   Relevancy-0.2525876 %96 %
12Variations in HTML Tags   Relevancy-0.24124324587 %97 %
13Variations in Body Tags   Relevancy-0.24124324487 %97 %
14Variations in H1-H6 Tags   Relevancy-0.24291077 %97 %
15Variations in H1 and H2 Tags   Relevancy-0.2415573 %94 %
16Search Result Domain is .com, .net, or .org   Other-0.24114 %79 %
17Variations in P Tags   Relevancy-0.241263576 %96 %
18Number of Do Follow Backlinks   Authority-0.2414510322489160 %53 %
19Entities in Sentences   Relevancy-0.2347110474 %99 %
20Entities in the HTML Tag   Relevancy-0.2347310875 %99 %
21Number of Unique Variations Used   Diversity-0.2324888 %92 %
22Variations in Sentences   Relevancy-0.231604080 %96 %
23Entities in Title Tag   Relevancy-0.238370 %89 %
24Variations in A Tags   Relevancy-0.231602677 %95 %
25Variations in Search Result URL   Relevancy-0.234267 %84 %
26Variation Density in Top 30KB   Relevancy-0.238375 %92 %
27Search Result Domain is .com   Other-0.23114 %80 %
28Variations in Div Tags   Relevancy-0.2262912584 %97 %
29Variations in H2 Tags   Relevancy-0.2214454 %96 %
30Number of Top 50 Shared Factors Used   Diversity-0.22211497 %94 %
31Entities in H2 Tags-0.2238654 %93 %
32Variations in Search Result Document File Name   Relevancy-0.224258 %84 %
33Number of Factors Used   Diversity-0.2233119697 %93 %
34Clean Keyword Density in the HTML Tag   Relevancy-0.2115580 %86 %
35Variations in the Title Tag   Relevancy-0.217277 %87 %
36Variations in LI Tags   Relevancy-0.21942275 %96 %
37Leading Variations in H1-H6 Tags   Relevancy-0.218354 %94 %
38Load Time Milliseconds   Performance-0.2110177145490 %88 %
39Variations in A Tag HREF Attributes   Relevancy-0.213064875 %96 %
40LSI Words in Sentences   Relevancy-0.21281260873 %98 %
41Variations in Distinct A Tag HREF Attributes   Relevancy-0.21573275 %95 %
42Variations in First 100 Words   Relevancy-0.2271179 %86 %
43Leading Variations in H1, H2, and H3 Tags   Relevancy-0.26251 %94 %
44Word Count   Size-0.26430132690 %87 %
45Entities in H3 Tags-0.219643 %93 %
46Unabridged Word Count   Size-0.223868174990 %87 %
47Exact Matches in the HTML Tag   Relevancy-0.21731438 %88 %
48Variations in H1 Tags   Relevancy-0.23264 %90 %
49Clean Text Kilobytes   Size-0.21271186 %87 %
50Variations in the Canonical URL   Relevancy-0.194259 %88 %
51Number of Includes   Technology-0.19392082 %73 %
52LSI Words in Title Tag   Relevancy-0.1920671 %95 %
53Term Frequency   Relevancy-0.194387 %92 %
54Variations in ALT Attributes   Relevancy-0.1966853 %96 %
55Variations in OpenGraph Title   Relevancy-0.196257 %83 %
56Number of Sentences   Size-0.193969989 %86 %
57Variations in Script Tags   Relevancy-0.193555866 %91 %
58Variations in the last 100 words   Relevancy-0.1821560 %82 %
59Variations in H3 Tags   Relevancy-0.1810340 %95 %
60Variations in Absolute URLs   Relevancy-0.186186975 %95 %
61Exact Matches in H1-H6 Tags   Relevancy-0.187226 %93 %
62Has JSON-LD Schema Markup   Relevancy-0.181151 %79 %
63Variations in Span Tags   Relevancy-0.18941160 %94 %
64Entities in H1 Tags-0.185257 %88 %
65Number of HTML Tags   Size-0.18300491791 %82 %
66Variations in Main Tags   Relevancy-0.185446234 %95 %
67Number of CSS Includes   Technology-0.1715774 %68 %
68Number of Facebook Pages   Authority-0.179261 %76 %
69Leading Variations in H1 Tags   Relevancy-0.171131 %84 %
70Variation Count in Top 30KB   Relevancy-0.17923476 %86 %
71LSI Words in H2 Tags   Relevancy-0.17811859 %97 %
72Number of P Tags   Size-0.171063483 %90 %
73Exact Matches in Top 30KB   Relevancy-0.1720327 %85 %
74Number of Heading Tags   Size-0.17462086 %90 %
75Number of Questions   Size-0.1739967 %86 %
76Exact Matches in Sentences   Relevancy-0.1724325 %92 %
77Leading Variations in Title Tag   Relevancy-0.161136 %81 %
78Variations in Meta Description   Relevancy-0.1611259 %85 %
79Variations in OpenGraph Description   Relevancy-0.1611252 %85 %
80Variations making whole A Tags   Relevancy-0.165136 %88 %
81Variations in Nav Tags   Relevancy-0.16982049 %87 %
82Number Of JSON-LD Types   Relevancy-0.16381156 %88 %
83Number of HTTPS Links   Authority-0.1642512986 %78 %
84TF/IDF   Relevancy-0.161172 %84 %
85Number of Twitter Accounts   Authority-0.163135 %78 %
86Number of Questions In Headings   Size-0.167237 %87 %
87Uses Schema answer   Other-0.16117 %81 %
88Number of Links   Authority-0.1644313287 %80 %
89Number of H2 Tags   Size-0.1613774 %86 %
90Variations in Strong Tags   Relevancy-0.168332 %87 %
91Uses JSON-LD Answer   Other-0.16116 %81 %
92Variations in Search Result Summary   Relevancy-0.165389 %72 %
93Number of DoFollow Links   Authority-0.1643712887 %79 %
94Exact Matches in Title Tag   Relevancy-0.162125 %85 %
95Uses JSON-LD Question   Other-0.16116 %81 %
96Uses JSON-LD text   Other-0.16117 %81 %
97Entities in H4 Tags-0.1610223 %90 %
98Uses Schema faqpage   Other-0.15117 %79 %
99Uses JSON-LD FAQPage   Other-0.15116 %79 %
100Number of Internal Links   Authority-0.1541211687 %80 %
101Uses Schema question   Other-0.15118 %81 %
102Variations Making Whole Span Tags   Relevancy-0.1579224 %90 %
103Leading Variations in H2 Tags   Relevancy-0.153125 %93 %
104Search Result Number of Dirs in Path   Other-0.154274 %77 %
105LSI Words in H1 Tags   Relevancy-0.1511561 %94 %
106LSI Words in H3 Tags   Relevancy-0.15681751 %96 %
107Page Size Kilobytes   Size-0.1568320390 %74 %
108Variations in Section Tags   Relevancy-0.15561940 %87 %
109Exact Matches in H2 Tags   Relevancy-0.154114 %93 %
110Number of Instagram Pages   Authority-0.159134 %77 %
111Exact Matches in A Tags   Relevancy-0.1528222 %88 %
112Leading Variations in H3 Tags   Relevancy-0.153118 %89 %
113Number of Facebook Accounts   Authority-0.153130 %75 %
114Has Entities in H1 Tags   Relevancy-0.151159 %81 %
115Has Entities in H2 Tags   Relevancy-0.151155 %87 %
116Variations in Footer Tags   Relevancy-0.1544837 %86 %
117Variations Making Whole LI Tags   Relevancy-0.154131 %86 %
118Number of LinkedIn Pages   Authority-0.152121 %77 %
119Number of Absolute URLs   Authority-0.1562621689 %79 %
120Uses Schema text   Other-0.151113 %81 %
121Exact Matches in H1 Tags   Relevancy-0.151120 %89 %
122Variations making whole H1-H6 Tags   Relevancy-0.152118 %86 %
123Number of Questions In H2 Tags   Size-0.154122 %82 %
124Variations in H4-H6 Tags   Relevancy-0.1513323 %87 %
125Title Tag Has Entities   Relevancy-0.151171 %76 %
126Number of External Links   Authority-0.14791682 %70 %
127Variations in Article Tags   Relevancy-0.14901929 %88 %
128Number of Images   Size-0.145202786 %78 %
129Entities in Meta Description Tag   Relevancy-0.147355 %83 %
130Variations in Style Tags   Relevancy-0.14104915 %89 %
131Variations in H4 Tags   Relevancy-0.145218 %87 %
132Number of H3 Tags   Size-0.1418866 %88 %
133Has Entities in H3 Tags   Relevancy-0.141144 %86 %
134Variations in Button Tags   Relevancy-0.141716 %89 %
135Uses JSON-LD name   Other-0.141145 %74 %
136Number of US Phone Numbers   Trust-0.14811050 %79 %
137Inline JavaScript Kilobytes   Size-0.142525487 %67 %
138Variations in TITLE Attributes   Relevancy-0.1450743 %85 %
139Number of DoFollow External Links   Authority-0.14411481 %68 %
140Headings Has Question   Other-0.141137 %80 %
141Variations in HTML Comment Tags   Relevancy-0.145288 %85 %
142Number of Images with ALT Text   Size-0.145151980 %84 %
143Number of HREF Lang Tags   Size-0.14728 %82 %
144Variations in I Tags   Relevancy-0.1422632 %83 %
145Uses Schema city   Other-0.14114 %44 %
146Variations making whole H1, H2, and H3 Tags   Relevancy-0.142116 %82 %
147Flesch Kincaid Reading Grade Level   Other-0.146394 %74 %
148Variations in B Tags   Relevancy-0.1310316 %82 %
149Title Has Sales Words   Other-0.131114 %82 %
150Uses JSON-LD City-0.13113 %46 %
151Leading Variations in H4-H6 Tags   Relevancy-0.134111 %84 %
152Uses JSON-LD url   Other-0.131145 %72 %
153Has FavIcon   Technology-0.131174 %79 %
154Uses Schema name   Other-0.131161 %69 %
155Number of Questions In H3 Tags   Size-0.134116 %87 %
156Uses Schema url   Other-0.131155 %66 %
157Has Meta Charset   Technology-0.131178 %63 %
158Variations making whole H1 Tags   Relevancy-0.131110 %80 %
159Variations in Class Attributes   Relevancy-0.13123621 %88 %
160Variations Making Whole Strong Tags   Relevancy-0.13417 %76 %
161Number of Social Accounts   Authority-0.135250 %74 %
162Uses JSON-LD BreadcrumbList   Other-0.131134 %68 %
163Number Of Claimed Brands   Other-0.1312219 %79 %
164Has US Phone Number   Trust-0.131149 %67 %
165Search Result Summary Length   Size-0.1316114495 %63 %
166Number of JavaScript Includes   Technology-0.13271585 %72 %
167Uses Schema aggregaterating   Other-0.13119 %72 %
168Exact Matches in Meta Description   Relevancy-0.132115 %82 %
169Variations in Figure Tags   Relevancy-0.13346812 %79 %
170Uses JSON-LD ListItem   Other-0.131134 %69 %
171Variations in Aside Tags   Relevancy-0.1333513 %82 %
172Leading Variations in H4 Tags   Relevancy-0.13219 %84 %
173Uses Schema ratingvalue   Other-0.131110 %68 %
174Search Result Uses HTTPS   Other-0.131186 %79 %
175Number of Prices   Size-0.139105270 %64 %
176Uses Schema itemlistorder   Other-0.13111 %12 %
177Has XMLRPC   Technology-0.131131 %59 %
178Uses Schema listitem   Other-0.131140 %69 %
179Has Schema Markup   Relevancy-0.131165 %76 %
180Uses JSON-LD ratingValue   Other-0.12117 %71 %
181Search Result Host Length   Size-0.12241990 %68 %
182Number of Social Pages   Authority-0.1215466 %74 %
183Search Result Domain Length   Size-0.12241990 %69 %
184Title Word Count   Size-0.1219988 %73 %
185Variations in ID Attributes   Relevancy-0.1216213 %77 %
186Has Privacy Policy   Trust-0.121155 %72 %
187Uses Schema breadcrumblist   Other-0.121139 %71 %
188Number of H4 Tags   Size-0.1222442 %84 %
189Number of H5 Tags   Size-0.126219 %80 %
190Uses JSON-LD AggregateRating   Other-0.12117 %74 %
191Variations in Meta Twitter Content   Relevancy-0.121122 %68 %
192Percentage of DoFollow Internal Links   Authority-0.12917686 %72 %
193LSI Words in H4 Tags   Relevancy-0.1227732 %92 %
194Title Length   Size-0.121295988 %71 %
195Number of Nofollow Links   Authority-0.1251531 %77 %
196Uses Schema inlanguage   Other-0.121130 %54 %
197Variations in Meta Twitter Description   Relevancy-0.1210120 %76 %
198Is Home Page   Other-0.121116 %40 %
199Number of NoFollow External Links   Authority-0.1242321 %82 %
200Uses JSON-LD inLanguage   Other-0.121130 %56 %