Measures 127399 SEO Factors

125677 Built-In SEO Factors

118052 On-page SEO Factors

7625 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 ( 52878 )
Relevancy SEO Factors ( 51599 )
Other SEO Factors ( 22236 )
Local SEO Factors ( 7492 )
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 ( 52874 )
Keywords SEO Factors ( 39892 )
Schema SEO Factors ( 22182 )
LSI SEO Factors ( 8262 )
Local SEO Factors ( 7493 )
Entities SEO Factors ( 3423 )
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 2022-7     previous - today - next

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

NameCorrelation#1 MaxPage 1 AvgUsage %Searches %
1Number of Top 50 Shared Factors Used   Diversity-0.36451996 %94 %
2Number of Top 100 Shared Factors Used   Diversity-0.35894496 %95 %
3Number of Factors Used   Diversity-0.3122213097 %93 %
4Number of Top 200 Shared Factors Used   Diversity-0.311508297 %93 %
5Number of Distinct Entities Used   Diversity-0.3812794 %74 %
6Variations in HTML Tags   Relevancy-0.26130023188 %96 %
7Ahrefs Rank   Authority-0.26481882 %15 %
8Variations in Body Tags   Relevancy-0.25108520488 %95 %
9DomDetailer Moz PA   Authority-0.25674696 %26 %
10Ahrefs Referring Domains   Authority-0.24332811463 %26 %
11Ahrefs Referring IP Addresses   Authority-0.2424309163 %27 %
12Ahrefs Referring Class C Addresses   Authority-0.2414096863 %27 %
13Entities in Title Tag   Relevancy-0.248380 %66 %
14DomDetailer Majestic Referring Subnets   Authority-0.24478591273994 %28 %
15DomDetailer Majestic Referring Domains   Authority-0.24131992727104494 %28 %
16DomDetailer Majestic IPs   Authority-0.231903764557594 %28 %
17Variations in Div Tags   Relevancy-0.2371913085 %92 %
18Ahrefs Domain Rating   Authority-0.23834789 %22 %
19DomDetailer Moz DA   Authority-0.23814396 %26 %
20Ahrefs Text Backlinks   Authority-0.23263354825662 %26 %
21Ahrefs Backlinks   Authority-0.23263752839963 %26 %
22Ahrefs Referring Pages   Authority-0.23263752839963 %26 %
23Variations in H1-H6 Tags   Relevancy-0.2331979 %92 %
24Variations in H1, H2, and H3 Tags   Relevancy-0.2330879 %92 %
25DomDetailer Majestic CF   Authority-0.22613794 %27 %
26Ahrefs NoFollow Backlinks   Authority-0.22108637263852 %25 %
27Entities in H2 Tags-0.2229861 %71 %
28DomDetailer Majestic TF   Authority-0.22562786 %27 %
29Variations in A Tags   Relevancy-0.221642878 %93 %
30Ahrefs Dofollow Backlinks   Authority-0.22165085568855 %26 %
31Body Tag Size Kilobytes   Size-0.223149181 %94 %
32DomDetailer Moz Rank   Authority-0.229595 %26 %
33DomDetailer Majestic Links   Authority-0.21104732337799641895 %28 %
34Variations in P Tags   Relevancy-0.211623776 %92 %
35Variations in H1 and H2 Tags   Relevancy-0.2121577 %90 %
36Entities in H3 Tags-0.2133749 %72 %
37Exact Match Position Variance-0.219518117940 %66 %
38Exact Matches in the HTML Tag   Relevancy-0.214472344 %87 %
39DomDetailer Moz Links   Authority-0.2153203116238858195 %28 %
40Average Exact Match Position-0.2114274264346 %70 %
41Page Size Kilobytes   Size-0.2154516296 %89 %
42Variations in LI Tags   Relevancy-0.21762069 %92 %
43Variations in Sentences   Relevancy-0.21242776 %90 %
44Variations in Search Result Display URL   Relevancy-0.24287 %80 %
45Variations in Search Result Link Text   Relevancy-0.24287 %80 %
46Variations in Script Tags   Relevancy-0.25784464 %93 %
47Exact Matches in Body Tag   Relevancy-0.23542338 %94 %
48Term Frequency   Relevancy-0.27387 %90 %
49DomDetailer Facebook Shares   Authority-0.27228020-538876085 %28 %
50Variations in A Tag HREF Attributes   Relevancy-0.23085374 %91 %
51Variation Position Variance-0.210069245485 %80 %
52Clean Keyword Density in the HTML Tag   Relevancy-0.1911481 %81 %
53Number of HTML Tags   Size-0.19238492096 %89 %
54Variations in Distinct A Tag HREF Attributes   Relevancy-0.191943773 %92 %
55Ahrefs Has NoFollow Backlinks   Authority-0.191151 %24 %
56Keywords in pages top 10 most used phrases-0.195268 %84 %
57Average Variation Position-0.1916892504487 %79 %
58Variations in H2 Tags   Relevancy-0.1920451 %92 %
59Leading Variations in H1, H2, and H3 Tags   Relevancy-0.1910251 %87 %
60Variations in Search Result Document File Name   Relevancy-0.195265 %64 %
61Variations in Search Result URL Path   Relevancy-0.196261 %76 %
62Leading Variations in H1-H6 Tags   Relevancy-0.1912254 %89 %
63Variations in the Title Tag   Relevancy-0.195280 %76 %
64Unabridged Word Count   Size-0.196134189995 %88 %
65Ahrefs Has Dofollow Backlinks   Authority-0.191155 %25 %
66Ahrefs Has Text Backlinks   Authority-0.191161 %26 %
67Variations in Span Tags   Relevancy-0.19801259 %92 %
68Clean Text Kilobytes   Size-0.18371291 %89 %
69Variations in ALT Attributes   Relevancy-0.1871852 %89 %
70Exact Match Clustering Score-0.18551738 %61 %
71Exact Matches in H1-H6 Tags   Relevancy-0.1813233 %89 %
72Ahrefs Has Backlinks   Authority-0.181162 %25 %
73Entities in H1 Tags-0.1816370 %62 %
74Keywords in pages top 5 most used phrases-0.183258 %84 %
75Word Count   Size-0.184929146895 %88 %
76Variations in the Canonical URL   Relevancy-0.188258 %83 %
77Ahrefs Internal Links   Authority-0.1862415370 %25 %
78Entities in Meta Description Tag   Relevancy-0.1811364 %63 %
79Variation Density in Top 30KB   Relevancy-0.1815375 %79 %
80Number of HTTPS Links   Authority-0.1851615392 %83 %
81Number of Sentences   Size-0.182556692 %88 %
82Exact Matches in Top 30KB   Relevancy-0.1866435 %70 %
83Entities in Sentences   Relevancy-0.1762010562 %98 %
84Entities in the HTML Tag   Relevancy-0.17176430964 %98 %
85Number of Links   Authority-0.1751715793 %83 %
86Leading Variations in Title Tag   Relevancy-0.171138 %75 %
87Variations in Meta Description   Relevancy-0.179261 %82 %
88Variations in Search Result URL   Relevancy-0.176262 %80 %
89Variations in Absolute URLs   Relevancy-0.174885066 %89 %
90Number of DoFollow Links   Authority-0.1751015193 %83 %
91Has Entities in H2 Tags   Relevancy-0.171164 %65 %
92Variations in Main Tags   Relevancy-0.173485836 %88 %
93Number of Internal Links   Authority-0.1750913992 %84 %
94Ahrefs Word Count   Size-0.173789155771 %13 %
95Variations in H1 Tags   Relevancy-0.176269 %80 %
96Variations in H3 Tags   Relevancy-0.1726337 %89 %
97Number of P Tags   Size-0.171454089 %85 %
98Title Tag Has Entities   Relevancy-0.161180 %54 %
99Number of Questions   Size-0.16103868 %85 %
100DomDetailer Majestic GOV Backlinks   Authority-0.1618672790338085938 %25 %
101Number of Heading Tags   Size-0.16732291 %88 %
102Leading Variations in H1 Tags   Relevancy-0.162135 %80 %
103Variations in Nav Tags   Relevancy-0.162282348 %88 %
104Has Entities in H1 Tags   Relevancy-0.161172 %57 %
105Variations in OpenGraph Title   Relevancy-0.164259 %73 %
106Inline JavaScript Kilobytes   Size-0.161703690 %83 %
107Keywords in pages top 3 most used phrases-0.163148 %82 %
108Number of Images with ALT Text   Size-0.162112084 %85 %
109Number Of JSON-LD Types   Relevancy-0.16861056 %84 %
110Ahrefs Image Backlinks-0.16143969254224 %22 %
111Number of Images   Size-0.162213090 %85 %
112Entities in H4 Tags-0.1610326 %66 %
113Exact Matches in Title Tag   Relevancy-0.162129 %80 %
114Ahrefs Has Image Backlinks   Authority-0.161124 %20 %
115Exact Matches in Sentences   Relevancy-0.1635326 %88 %
116Variations in OpenGraph Description   Relevancy-0.1610253 %77 %
117Has Entities in H3 Tags   Relevancy-0.151152 %63 %
118Ahrefs External Links   Authority-0.151562567 %24 %
119Load Time Milliseconds   Performance-0.15122384309197 %69 %
120Ahrefs Pages   Size-0.157272 %23 %
121Number of H2 Tags   Size-0.1536778 %87 %
122Ahrefs Images   Relevancy-0.15942468 %12 %
123Variation Count in Top 30KB   Relevancy-0.152153781 %77 %
124Number of Absolute URLs   Authority-0.1547915293 %83 %
125Leading Variations in H2 Tags   Relevancy-0.155125 %85 %
126Variations in Footer Tags   Relevancy-0.1565835 %83 %
127Variations in First 100 Words   Relevancy-0.1529764 %75 %
128Ahrefs Has Domain Rating   Authority-0.151186 %18 %
129TF/IDF   Relevancy-0.151169 %79 %
130Ahrefs Linked Root Domains   Authority-0.1521769 %25 %
131Number of Questions In Headings   Size-0.157238 %36 %
132LSI Words in Sentences   Relevancy-0.15449160057 %98 %
133Variations in Section Tags   Relevancy-0.15811937 %86 %
134Number of H3 Tags   Size-0.1523869 %85 %
135Variations in TITLE Attributes   Relevancy-0.1575837 %84 %
136Exact Matches in H1 Tags   Relevancy-0.152123 %82 %
137Variations making whole A Tags   Relevancy-0.148233 %84 %
138Variations in the last 100 words   Relevancy-0.1418454 %78 %
139Ahrefs Page Size   Size-0.14745083656673 %13 %
140Exact Matches in A Tags   Relevancy-0.1485427 %87 %
141Variations Making Whole LI Tags   Relevancy-0.147126 %82 %
142Exact Matches in H2 Tags   Relevancy-0.147118 %88 %
143Title Has Sales Words   Other-0.141119 %69 %
144Title Has Sentiment Words   Other-0.141120 %68 %
145Number of External Links   Authority-0.14651887 %74 %
146Headings Has Question   Other-0.141141 %76 %
147Has JSON-LD Answer-0.14117 %70 %
148Head Size Kilobytes   Size-0.141404791 %78 %
149Variations in Search Result Summary   Relevancy-0.146386 %59 %
150Variation Clustering Score-0.14564085 %69 %
151Has JSON-LD Question-0.14117 %70 %
152Number of Prices   Size-0.143233972 %79 %
153Variations making whole H1-H6 Tags   Relevancy-0.144116 %75 %
154Is Home Page   Other-0.141117 %35 %
155Variations in Strong Tags   Relevancy-0.1414332 %83 %
156Variations in I Tags   Relevancy-0.1463733 %80 %
157Inline CSS Kilobytes   Size-0.142393465 %79 %
158Number of Questions In H2 Tags   Size-0.146124 %78 %
159Ahrefs Redirects   Authority-0.1438782411 %20 %
160Meta Description Tag Has Entities   Relevancy-0.141165 %55 %
161Exact Matches in Meta Description   Relevancy-0.143119 %84 %
162Variations Making Whole Span Tags   Relevancy-0.1418121 %86 %
163Variations making whole H1, H2, and H3 Tags   Relevancy-0.143115 %75 %
164Variations in Search Result URL Domain Name   Relevancy-0.13115 %41 %
165Number of DoFollow External Links   Authority-0.13481684 %71 %
166DomDetailer Facebook Comments   Authority-0.13290539 %23 %
167Exact Match Density in Top 30KB   Relevancy-0.134119 %41 %
168Search Result Number of Dirs in Path   Other-0.134285 %62 %
169Number Of Claimed Brands   Other-0.1316219 %74 %
170Number of Questions In H3 Tags   Size-0.135118 %80 %
171LSI Words in Title Tag   Relevancy-0.1316554 %93 %
172Number of Nofollow Links   Authority-0.1371740 %80 %
173Variations in Article Tags   Relevancy-0.131261931 %76 %
174Ahrefs EDU Backlinks   Authority-0.13127348411 %17 %
175Is Store Page   Other-0.131145 %67 %
176Number of US Phone Numbers   Trust-0.1377736 %76 %
177Ahrefs Has Redirects   Authority-0.131111 %18 %
178Leading Variations in H3 Tags   Relevancy-0.138117 %82 %
179Has Privacy Policy   Trust-0.131156 %72 %
180Number of NoFollow External Links   Authority-0.1329427 %79 %
181Has Schema Markup   Relevancy-0.131167 %71 %
182Number of JavaScript Includes   Technology-0.13291487 %69 %
183Has FavIcon   Technology-0.131179 %65 %
184Number Of JSON-LD Entity References   Relevancy-0.13416 %71 %
185Has Entities in H4 Tags   Relevancy-0.131127 %57 %
186Variations in B Tags   Relevancy-0.1228416 %74 %
187Ahrefs Has Linked Root Domains   Authority-0.121168 %22 %
188Number of Social Accounts   Authority-0.124249 %69 %
189Ahrefs Has Internal Links   Authority-0.121169 %22 %
190Is Purchase Page   Other-0.121149 %68 %
191Variations in ID Attributes   Relevancy-0.1223215 %82 %
192Ahrefs Has EDU Backlinks   Authority-0.121111 %15 %
193Keywords in pages most used phrase-0.121126 %77 %
194Ahrefs Canonical Backlinks   Authority-0.121617 %16 %
195Number of Forms   Technology-0.1216371 %71 %
196Number of Schema Products   Size-0.121915 %35 %
197Ahrefs Has External Links   Authority-0.121165 %22 %
198Has JSON-LD Website-0.121132 %53 %
199Has JSON-LD ImageObject-0.121136 %59 %
200Variations making whole H1 Tags   Relevancy-0.12119 %74 %