Measures 141904 SEO Factors

140182 Built-In SEO Factors

131171 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 2022-2     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-0.32452597 %68 %
2Number of Top 100 Shared Factors Used   Diversity-0.31875397 %66 %
3Number of Distinct Entities Used   Diversity-0.29662595 %77 %
4Number of Factors Used   Diversity-0.2721913397 %89 %
5Number of Top 200 Shared Factors Used   Diversity-0.271489597 %67 %
6Variations in Body Tags   Relevancy-0.232367021687 %86 %
7Ahrefs Referring Class C Addresses   Authority-0.235924561 %13 %
8Ahrefs Referring IP Addresses   Authority-0.239086161 %13 %
9Ahrefs Rank   Authority-0.23401687 %12 %
10Ahrefs Referring Domains   Authority-0.23507411061 %14 %
11Variations in HTML Tags   Relevancy-0.233553924985 %93 %
12Ahrefs NoFollow Backlinks   Authority-0.2296162116653 %13 %
13Ahrefs Text Backlinks   Authority-0.22212363507860 %14 %
14Ahrefs Backlinks   Authority-0.22212385503761 %14 %
15Ahrefs Referring Pages   Authority-0.22212384506161 %14 %
16Entities in Title Tag   Relevancy-0.229380 %64 %
17Entities in H2 Tags-0.2226660 %66 %
18Variations in H1-H6 Tags   Relevancy-0.2159980 %87 %
19Entities in H3 Tags-0.2132649 %66 %
20Variations in Div Tags   Relevancy-0.212180315183 %91 %
21Variations in H1, H2, and H3 Tags   Relevancy-0.21101779 %87 %
22Variations in A Tags   Relevancy-0.2150793580 %87 %
23Ahrefs Has NoFollow Backlinks   Authority-0.21151 %14 %
24Ahrefs Dofollow Backlinks   Authority-0.2172424397651 %13 %
25Variations in A Tag HREF Attributes   Relevancy-0.234235477 %87 %
26Variations in Distinct A Tag HREF Attributes   Relevancy-0.225613777 %88 %
27Variations in Search Result Display URL   Relevancy-0.24288 %76 %
28Variations in Search Result Link Text   Relevancy-0.24288 %76 %
29Variations in P Tags   Relevancy-0.29423475 %95 %
30Variations in H1 and H2 Tags   Relevancy-0.1924577 %85 %
31Ahrefs Has Text Backlinks   Authority-0.191159 %13 %
32Page Size Kilobytes   Size-0.1932415395 %88 %
33Body Tag Size Kilobytes   Size-0.192318681 %92 %
34Variations in LI Tags   Relevancy-0.1911712170 %86 %
35Ahrefs Has Backlinks   Authority-0.191159 %14 %
36Term Frequency   Relevancy-0.1911484 %92 %
37DomDetailer Moz PA   Authority-0.19734597 %26 %
38Variations in Sentences   Relevancy-0.195842675 %91 %
39Leading Variations in H1-H6 Tags   Relevancy-0.1917253 %84 %
40Clean Keyword Density in the HTML Tag   Relevancy-0.18192584 %77 %
41Variations in H2 Tags   Relevancy-0.1843452 %86 %
42Unabridged Word Count   Size-0.1814433168495 %88 %
43Ahrefs Has Dofollow Backlinks   Authority-0.181150 %13 %
44Exact Matches in Body Tag   Relevancy-0.18413814135 %86 %
45Number of HTML Tags   Size-0.18269289996 %87 %
46DomDetailer Majestic CF   Authority-0.18703996 %27 %
47Leading Variations in H1, H2, and H3 Tags   Relevancy-0.1813250 %83 %
48DomDetailer Moz DA   Authority-0.18884397 %24 %
49Clean Text Kilobytes   Size-0.18781291 %86 %
50DomDetailer Majestic Referring Subnets   Authority-0.18569951420096 %29 %
51Variations in Script Tags   Relevancy-0.18144915864 %94 %
52Variations in Absolute URLs   Relevancy-0.1844885370 %84 %
53Variation Density in Top 30KB   Relevancy-0.18351477 %76 %
54DomDetailer Majestic IPs   Authority-0.172038305255996 %29 %
55Keywords in pages top 10 most used phrases-0.177266 %88 %
56Variations in Search Result URL Path   Relevancy-0.175266 %67 %
57Exact Matches in the HTML Tag   Relevancy-0.17452334036 %90 %
58Entities in Sentences   Relevancy-0.174688864 %98 %
59Variations in Search Result URL   Relevancy-0.175267 %72 %
60Variations in ALT Attributes   Relevancy-0.17223853 %83 %
61Entities in Meta Description Tag   Relevancy-0.1714363 %60 %
62DomDetailer Majestic Referring Domains   Authority-0.17151730633952496 %30 %
63Number of Sentences   Size-0.172185989 %84 %
64DomDetailer Moz Rank   Authority-0.179596 %23 %
65Search Result Summary Length   Size-0.1727015796 %63 %
66Variations in First 100 Words   Relevancy-0.17189871 %74 %
67Entities in H1 Tags-0.177265 %59 %
68Ahrefs Internal Links   Authority-0.1754710968 %13 %
69Variations in Search Result Document File Name   Relevancy-0.174265 %63 %
70Variations in the Canonical URL   Relevancy-0.176263 %77 %
71Number of HTTPS Links   Authority-0.1752815091 %84 %
72DomDetailer Majestic TF   Authority-0.16652989 %26 %
73Entities in the HTML Tag   Relevancy-0.16124926665 %96 %
74Exact Matches in Top 30KB   Relevancy-0.1693331 %65 %
75DomDetailer Majestic Links   Authority-0.16161489319-28844996 %29 %
76Word Count   Size-0.165477160595 %86 %
77Variations in Span Tags   Relevancy-0.166341156 %90 %
78Number of DoFollow Links   Authority-0.1652014992 %83 %
79Number of Links   Authority-0.1653015493 %85 %
80Variations in H3 Tags   Relevancy-0.1659339 %85 %
81Variations in the Title Tag   Relevancy-0.164276 %79 %
82Number of P Tags   Size-0.161453789 %83 %
83Keywords in pages top 5 most used phrases-0.164257 %87 %
84Variations in Nav Tags   Relevancy-0.1652532949 %85 %
85Entities in H4 Tags-0.1623326 %63 %
86Number of Internal Links   Authority-0.1651613792 %86 %
87LSI Words in Sentences   Relevancy-0.16326453465 %97 %
88Number of Images with ALT Text   Size-0.16601984 %84 %
89Number of Heading Tags   Size-0.16552192 %86 %
90Variations in Main Tags   Relevancy-0.1644245534 %83 %
91Inline JavaScript Kilobytes   Size-0.161253390 %84 %
92Exact Matches in H1-H6 Tags   Relevancy-0.16581227 %82 %
93Variations in Meta Description   Relevancy-0.1635262 %77 %
94Variations in Search Result Summary   Relevancy-0.1644391 %60 %
95Ahrefs External Links   Authority-0.161392465 %13 %
96Number of Images   Size-0.152522890 %84 %
97Variations in H1 Tags   Relevancy-0.154267 %73 %
98Title Tag Has Entities   Relevancy-0.151174 %62 %
99Number of Questions   Size-0.1556666 %76 %
100DomDetailer Facebook Shares   Authority-0.157338570-717151790 %28 %
101Has Entities in H2 Tags   Relevancy-0.151159 %65 %
102Leading Variations in H1 Tags   Relevancy-0.152133 %73 %
103DomDetailer Moz Links   Authority-0.151011965941699223496 %29 %
104Ahrefs Pages   Size-0.157269 %13 %
105Variation Count in Top 30KB   Relevancy-0.1557664783 %70 %
106Number of Questions In Headings   Size-0.156242 %23 %
107Variations in Footer Tags   Relevancy-0.1523131237 %77 %
108TF/IDF   Relevancy-0.152165 %80 %
109Number Of JSON-LD Types   Relevancy-0.1551954 %82 %
110Variations in OpenGraph Description   Relevancy-0.1529254 %75 %
111Variations in the last 100 words   Relevancy-0.15189559 %75 %
112Number of H2 Tags   Size-0.1519676 %83 %
113Number of H3 Tags   Size-0.1524868 %85 %
114Keywords in pages top 3 most used phrases-0.153149 %87 %
115Number of Absolute URLs   Authority-0.1453113593 %82 %
116Ahrefs Linked Root Domains   Authority-0.1419767 %13 %
117Variations in OpenGraph Title   Relevancy-0.147260 %70 %
118Variations in ID Attributes   Relevancy-0.14370315 %78 %
119Has Entities in H3 Tags   Relevancy-0.141148 %68 %
120Ahrefs Has Internal Links   Authority-0.141166 %12 %
121Ahrefs Has External Links   Authority-0.141163 %12 %
122Leading Variations in H2 Tags   Relevancy-0.146124 %79 %
123Variations making whole A Tags   Relevancy-0.1410234 %78 %
124Headings Has Question   Other-0.141139 %69 %
125Exact Matches in A Tags   Relevancy-0.145399621 %83 %
126Has Entities in H1 Tags   Relevancy-0.141165 %62 %
127Ahrefs Has Linked Root Domains   Authority-0.141165 %12 %
128Number of Prices   Size-0.144243671 %57 %
129Exact Matches in Title Tag   Relevancy-0.143123 %81 %
130Exact Matches in Sentences   Relevancy-0.142406422 %90 %
131DomDetailer Majestic GOV Backlinks   Authority-0.1420397406374323743 %27 %
132Ahrefs Image Backlinks-0.1462760102323 %12 %
133Number of Questions In H2 Tags   Size-0.144123 %73 %
134Number of External Links   Authority-0.13711888 %77 %
135LSI Words in Title Tag   Relevancy-0.1313562 %93 %
136Leading Variations in Title Tag   Relevancy-0.131135 %80 %
137Variations Making Whole LI Tags   Relevancy-0.139128 %77 %
138Leading Variations in H3 Tags   Relevancy-0.137117 %80 %
139Has JSON-LD Answer-0.13115 %58 %
140Exact Matches in H1 Tags   Relevancy-0.1357119 %75 %
141Load Time Milliseconds   Performance-0.13116158268096 %65 %
142Has JSON-LD City-0.13112 %16 %
143Variations in TITLE Attributes   Relevancy-0.13326735 %86 %
144Has JSON-LD Question-0.13115 %59 %
145Number of Schema Products   Size-0.13515 %32 %
146Head Size Kilobytes   Size-0.131174291 %80 %
147Number of DoFollow External Links   Authority-0.13561585 %75 %
148Is Pagination Page   Other-0.131118 %45 %
149Variations in Strong Tags   Relevancy-0.1316331 %83 %
150LSI Words in H2 Tags   Relevancy-0.13821452 %96 %
151Variations in H4-H6 Tags   Relevancy-0.1317224 %77 %
152Number of Questions In H3 Tags   Size-0.134117 %71 %
153Variations Making Whole Span Tags   Relevancy-0.1312120 %85 %
154Inline CSS Kilobytes   Size-0.13973062 %78 %
155Meta Description Tag Has Entities   Relevancy-0.131162 %59 %
156Number of HTML Comments   Size-0.136373176 %77 %
157Search Result Uses HTTPS   Other-0.131191 %59 %
158Variations making whole H1-H6 Tags   Relevancy-0.133117 %75 %
159Ahrefs Has Image Backlinks   Authority-0.131121 %12 %
160Variations in Section Tags   Relevancy-0.134071836 %85 %
161Has Entities in H4 Tags   Relevancy-0.131126 %56 %
162Number of US Phone Numbers   Trust-0.1368742 %76 %
163Variations in Article Tags   Relevancy-0.133992032 %73 %
164Exact Matches in H2 Tags   Relevancy-0.12177113 %82 %
165Variations making whole H1, H2, and H3 Tags   Relevancy-0.122115 %74 %
166Search Result Number of Dirs in Path   Other-0.125284 %55 %
167Number of HREF Lang Tags   Size-0.1244210 %72 %
168Has JSON-LD Country-0.12111 %15 %
169Meta Description Length   Size-0.1256113072 %73 %
170Variations in H4 Tags   Relevancy-0.1212118 %77 %
171Number Of Claimed Brands   Other-0.1210219 %72 %
172Is Store Page   Other-0.121145 %48 %
173Number of Instagram Pages   Authority-0.1210238 %75 %
174Variations in I Tags   Relevancy-0.1299530 %74 %
175Percentage of DoFollow Internal Links   Authority-0.12958091 %72 %
176Number of Social Accounts   Authority-0.1221250 %73 %
177Number of Nofollow Links   Authority-0.1238636 %78 %
178Is Home Page   Other-0.121118 %33 %
179Word Count in Meta Description   Size-0.12912171 %71 %
180Number of H4 Tags   Size-0.1230544 %75 %
181Number of Social Pages   Authority-0.1214366 %74 %
182Number of Facebook Pages   Authority-0.1210367 %72 %
183Exact Match Density in Top 30KB   Relevancy-0.124113 %38 %
184Has Canonical URL   Authority-0.121177 %69 %
185Keywords in pages most used phrase-0.121126 %79 %
186Number of NoFollow External Links   Authority-0.1222325 %76 %
187Variations in Class Attributes   Relevancy-0.1266632128 %75 %
188Average Words Per Sentence   Size-0.121943592 %69 %
189Number of YouTube Accounts   Technology-0.122111 %70 %
190Entities in H5 Tags-0.1211110 %53 %
191Exact Matches in Meta Description   Relevancy-0.123116 %79 %
192Number Of JSON-LD Entity References   Relevancy-0.12516 %65 %
193Has Schema Markup   Relevancy-0.121167 %72 %
194Variations in OpenGraph Site Name   Relevancy-0.122114 %67 %
195Has FavIcon   Technology-0.121179 %66 %
196Flesch Kincaid Reading Grade Level   Other-0.128494 %20 %
197Number of Forms   Technology-0.1214371 %68 %
198Number of JavaScript Includes   Technology-0.12341488 %70 %
199Variations in Search Result URL Domain Name   Relevancy-0.11615 %45 %
200Variations in Button Tags   Relevancy-0.11121946 %76 %