Measures 141916 SEO Factors

140194 Built-In SEO Factors

131183 On-page SEO Factors

9011 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

TOP SEO Factors for 2022-1     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 100 Shared Factors Used   Diversity-0.3855997 %27 %
2Number of Top 50 Shared Factors Used   Diversity-0.3442997 %27 %
3Number of Top 200 Shared Factors Used   Diversity-0.2814310397 %27 %
4Number of Distinct Entities Used   Diversity-0.27633095 %72 %
5Number of Factors Used   Diversity-0.2421513897 %93 %
6Entities in H3 Tags-0.2124652 %72 %
7Search Result Summary Length   Size-0.2136015293 %85 %
8Entities in Title Tag   Relevancy-0.217382 %70 %
9Variations in HTML Tags   Relevancy-0.214243835392 %95 %
10Entities in H2 Tags-0.238764 %72 %
11Variations in Div Tags   Relevancy-0.22096422490 %94 %
12Variations in H1-H6 Tags   Relevancy-0.2160984 %95 %
13Variations in H1, H2, and H3 Tags   Relevancy-0.2122883 %93 %
14Variations in Body Tags   Relevancy-0.22560728988 %95 %
15Variations in A Tags   Relevancy-0.1950794385 %94 %
16Variations in H1 and H2 Tags   Relevancy-0.1966580 %93 %
17Term Frequency   Relevancy-0.1911592 %93 %
18Variations in P Tags   Relevancy-0.1922974584 %92 %
19Variations in Script Tags   Relevancy-0.19130628371 %93 %
20Clean Keyword Density in the HTML Tag   Relevancy-0.19204688 %86 %
21Variations in Distinct A Tag HREF Attributes   Relevancy-0.1925614182 %94 %
22Variations in A Tag HREF Attributes   Relevancy-0.1934236082 %95 %
23Keywords in pages top 10 most used phrases-0.1822377 %89 %
24DomDetailer Moz PA   Authority-0.18734285 %38 %
25Variations in Sentences   Relevancy-0.1817283285 %91 %
26Variations in Search Result Display URL   Relevancy-0.1813290 %81 %
27Variations in Search Result Link Text   Relevancy-0.1813290 %81 %
28DomDetailer Majestic Referring Domains   Authority-0.18238862730071985 %42 %
29DomDetailer Majestic IPs   Authority-0.183517625016985 %41 %
30Keywords in pages top 5 most used phrases-0.1811268 %89 %
31DomDetailer Majestic Referring Subnets   Authority-0.18797861430485 %41 %
32Variations in H2 Tags   Relevancy-0.1858457 %93 %
33Variations in LI Tags   Relevancy-0.1812972678 %92 %
34Page Size Kilobytes   Size-0.1746114096 %87 %
35Body Tag Size Kilobytes   Size-0.172607985 %90 %
36Ahrefs Referring Domains   Authority-0.1726389641 %17 %
37Ahrefs Referring Class C Addresses   Authority-0.1712285341 %17 %
38DomDetailer Majestic CF   Authority-0.17703684 %39 %
39Ahrefs Referring IP Addresses   Authority-0.1721758241 %17 %
40Leading Variations in H1-H6 Tags   Relevancy-0.1735256 %91 %
41LSI Words in Sentences   Relevancy-0.17302857074 %96 %
42Variations in Search Result Summary   Relevancy-0.1749389 %78 %
43Number of HTML Tags   Size-0.17271978797 %82 %
44Entities in Meta Description Tag   Relevancy-0.1710464 %64 %
45Keywords in pages top 3 most used phrases-0.176160 %86 %
46Exact Matches in the HTML Tag   Relevancy-0.172971043 %85 %
47Exact Matches in Body Tag   Relevancy-0.172171242 %91 %
48Entities in Sentences   Relevancy-0.1744910568 %97 %
49Ahrefs Text Backlinks   Authority-0.1713978151974941 %17 %
50DomDetailer Moz DA   Authority-0.17884385 %37 %
51Ahrefs Backlinks   Authority-0.1713978381977041 %17 %
52Ahrefs Referring Pages   Authority-0.1713978361977041 %17 %
53Variations in Search Result URL   Relevancy-0.1737262 %83 %
54Leading Variations in H1, H2, and H3 Tags   Relevancy-0.1726251 %89 %
55DomDetailer Majestic TF   Authority-0.17642980 %37 %
56Exact Matches in H1-H6 Tags   Relevancy-0.1711128 %87 %
57Variations in Search Result URL Path   Relevancy-0.1730260 %81 %
58Variations in the Title Tag   Relevancy-0.1614284 %81 %
59Variation Density in Top 30KB   Relevancy-0.16351681 %85 %
60Ahrefs NoFollow Backlinks   Authority-0.16117683216836 %17 %
61Unabridged Word Count   Size-0.165326169195 %82 %
62DomDetailer Facebook Shares   Authority-0.169017200-601297880 %40 %
63Clean Text Kilobytes   Size-0.16291192 %81 %
64DomDetailer Moz Rank   Authority-0.169584 %37 %
65Number of Questions   Size-0.1623666 %86 %
66Ahrefs Rank   Authority-0.16341053 %15 %
67Word Count   Size-0.165031142195 %80 %
68Entities in the HTML Tag   Relevancy-0.16133932769 %97 %
69Variations in Main Tags   Relevancy-0.1686917735 %86 %
70Variations in Meta Description   Relevancy-0.1640265 %84 %
71Variations in Nav Tags   Relevancy-0.1655335054 %89 %
72Variations in the Canonical URL   Relevancy-0.165265 %88 %
73Variations in Span Tags   Relevancy-0.166341362 %90 %
74Variations in First 100 Words   Relevancy-0.162081077 %83 %
75DomDetailer Majestic Links   Authority-0.16203933349468897085 %39 %
76DomDetailer Moz Links   Authority-0.161384626031392968285 %41 %
77Number of HTTPS Links   Authority-0.1638612792 %82 %
78Number of DoFollow Links   Authority-0.1637912793 %81 %
79Number of Sentences   Size-0.161705893 %82 %
80Variations in H3 Tags   Relevancy-0.1675342 %91 %
81Title Tag Has Entities   Relevancy-0.161183 %58 %
82Number of Internal Links   Authority-0.1535911492 %82 %
83Number of P Tags   Size-0.151563691 %85 %
84Ahrefs Dofollow Backlinks   Authority-0.1513923451773335 %17 %
85Number of Links   Authority-0.1538713193 %82 %
86Entities in H4 Tags-0.1511328 %70 %
87Has Entities in H2 Tags   Relevancy-0.151166 %66 %
88Entities in H1 Tags-0.155267 %66 %
89LSI Words in Title Tag   Relevancy-0.1515571 %93 %
90TF/IDF   Relevancy-0.152177 %82 %
91Variations in Absolute URLs   Relevancy-0.1555916474 %90 %
92Number of Prices   Size-0.151122870 %23 %
93Variations in Search Result Document File Name   Relevancy-0.1528258 %76 %
94Variations in ALT Attributes   Relevancy-0.15183755 %90 %
95Number of Heading Tags   Size-0.15482192 %87 %
96Inline JavaScript Kilobytes   Size-0.151292990 %84 %
97Variations in the last 100 words   Relevancy-0.15208666 %83 %
98Variations in ID Attributes   Relevancy-0.15532517 %84 %
99Has Entities in H3 Tags   Relevancy-0.151154 %65 %
100LSI Words in H2 Tags   Relevancy-0.15711559 %96 %
101DomDetailer Majestic GOV Backlinks   Authority-0.1529753663319000243 %37 %
102Head Size Kilobytes   Size-0.141274491 %80 %
103Variations in OpenGraph Description   Relevancy-0.1444256 %82 %
104Variations in H1 Tags   Relevancy-0.149270 %81 %
105Number of Questions In Headings   Size-0.147239 %35 %
106Has Entities in H1 Tags   Relevancy-0.141170 %61 %
107Leading Variations in Title Tag   Relevancy-0.141137 %78 %
108Headings Has Question   Other-0.141140 %81 %
109Inline CSS Kilobytes   Size-0.141023262 %81 %
110Number of Images   Size-0.14842490 %82 %
111Number of Images with ALT Text   Size-0.14651684 %84 %
112Search Result Publish Date-0.142007990747195536408897 %42 %
113Search Result Number of Dirs in Path   Other-0.144272 %61 %
114Number of H3 Tags   Size-0.1420870 %85 %
115Exact Matches in H2 Tags   Relevancy-0.145113 %88 %
116Variations Making Whole Span Tags   Relevancy-0.1419121 %84 %
117Variations Making Whole LI Tags   Relevancy-0.145130 %85 %
118Meta Description Tag Has Entities   Relevancy-0.141166 %56 %
119Variations in Footer Tags   Relevancy-0.1423471944 %87 %
120Number of Absolute URLs   Authority-0.1435112694 %82 %
121Leading Variations in H2 Tags   Relevancy-0.1410126 %88 %
122Exact Matches in Top 30KB   Relevancy-0.1440332 %70 %
123Number of HREF Lang Tags   Size-0.1416210 %74 %
124Leading Variations in H1 Tags   Relevancy-0.142130 %82 %
125LSI Words in H3 Tags   Relevancy-0.13631551 %94 %
126Exact Matches in Sentences   Relevancy-0.1332329 %88 %
127Number of Questions In H3 Tags   Size-0.134116 %84 %
128Variations in Strong Tags   Relevancy-0.13111336 %84 %
129Search Result Uses HTTPS   Other-0.131193 %64 %
130Variations making whole H1-H6 Tags   Relevancy-0.136115 %79 %
131Number of H2 Tags   Size-0.1315779 %85 %
132Variations in OpenGraph Title   Relevancy-0.1311262 %80 %
133Ahrefs Has Dofollow Backlinks   Authority-0.131135 %17 %
134Number of External Links   Authority-0.13681889 %76 %
135LSI Words in Meta Description Tag   Relevancy-0.1324955 %88 %
136Load Time Milliseconds   Performance-0.1321494200797 %73 %
137Flesch Kincaid Reading Ease   -0.1315910397 %27 %
138Ahrefs Has Text Backlinks   Authority-0.131139 %17 %
139Variations making whole H1, H2, and H3 Tags   Relevancy-0.132113 %74 %
140Number of Questions In H2 Tags   Size-0.134123 %83 %
141Variation Count in Top 30KB   Relevancy-0.1355465187 %78 %
142Ahrefs Has Backlinks   Authority-0.131140 %17 %
143Number of Bytes to First Match   Size-0.13864006547314297 %63 %
144Exact Matches in A Tags   Relevancy-0.1349225 %86 %
145Number Of JSON-LD Types   Relevancy-0.1348957 %82 %
146Variations in Section Tags   Relevancy-0.138972341 %86 %
147Variations in H4-H6 Tags   Relevancy-0.1338227 %85 %
148Ahrefs Has NoFollow Backlinks   Authority-0.131133 %16 %
149Exact Matches in Title Tag   Relevancy-0.132128 %83 %
150Variations in Article Tags   Relevancy-0.138442334 %76 %
151Variations in TITLE Attributes   Relevancy-0.13326738 %86 %
152Search Result URL Length   Size-0.13955697 %48 %
153Leading Variations in H3 Tags   Relevancy-0.1316118 %82 %
154Percentage of DoFollow Internal Links   Authority-0.12947991 %74 %
155Variations making whole A Tags   Relevancy-0.126136 %87 %
156Ahrefs Internal Links   Authority-0.123307146 %17 %
157Variations in H4 Tags   Relevancy-0.1227221 %85 %
158Percentage of DoFollow Links   Authority-0.121009393 %71 %
159Number of DoFollow External Links   Authority-0.12581687 %76 %
160Bytes To First P Tag   Size-0.12798755305798 %68 %
161Word Count in Meta Description   Size-0.12832172 %70 %
162Has Privacy Policy   Trust-0.121163 %73 %
163Number of NoFollow External Links   Authority-0.1221326 %75 %
164Title Has Sales Words   Other-0.121115 %74 %
165Has Meta Description   Relevancy-0.121173 %66 %
166Keywords in pages most used phrase-0.122136 %79 %
167Title Has Sentiment Words   Other-0.121115 %73 %
168Has JSON-LD Answer-0.12115 %70 %
169Meta Description Length   Size-0.1250712572 %70 %
170Has JSON-LD Question-0.12115 %70 %
171Has Entities in H4 Tags   Relevancy-0.121129 %58 %
172Has Copyright   Trust-0.121174 %67 %
173Entities in H5 Tags-0.125111 %60 %
174Variations in Class Attributes   Relevancy-0.1264633632 %81 %
175Search Result Summary Has Ellipsis   Other-0.121158 %53 %
176LSI Words in H1 Tags   Relevancy-0.1213461 %90 %
177Has Canonical URL   Authority-0.111178 %73 %
178Title Has Year   Other-0.11116 %70 %
179Number of Nofollow Links   Authority-0.1131534 %74 %
180Number of US Phone Numbers   Trust-0.1168950 %81 %
181Variations in H5 Tags   Relevancy-0.111018 %77 %
182Search Result Link Text Length   Size-0.11585097 %59 %
183Flesch Kincaid Reading Grade Level   Other-0.118594 %26 %
184Number of H4 Tags   Size-0.1117546 %79 %
185Has Schema Markup   Relevancy-0.111168 %73 %
186Has Terms of Service   Trust-0.111142 %71 %
187Number of Social Accounts   Authority-0.116253 %70 %
188Exact Matches in H1 Tags   Relevancy-0.112119 %82 %
189Has JSON-LD ItemList-0.11112 %41 %
190Number of Facebook Accounts   Authority-0.114137 %68 %
191Search Result Has Params   Other-0.11113 %46 %
192Variations in Button Tags   Relevancy-0.11120837 %80 %
193Variations in Aside Tags   Relevancy-0.111785814 %76 %
194Ahrefs Pages   Size-0.116247 %17 %
195Number of Images without ALT Text   Size-0.1139966 %72 %
196DomDetailer Facebook Comments   Authority-0.114635710 %34 %
197Has FavIcon   Technology-0.111179 %68 %
198Has OpenGraph Image   Relevancy-0.111153 %66 %
199Number of HTML Comments   Size-0.115592777 %75 %
200Variations in Host Citations   Relevancy-0.1112181010 %79 %