Measures 141530 SEO Factors

139808 Built-In SEO Factors

130843 On-page SEO Factors

8965 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 2024-9     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-0.25136826383 %78 %
2Number of Distinct Entities Used   Diversity-0.24883178 %93 %
3Search Result Domain is .com, .net, or .org   Other-0.23115 %67 %
4Number of Unique Variations Used   Diversity-0.2365981 %89 %
5Search Result Domain is .com   Other-0.22114 %67 %
6Number of Top 200 Shared Factors Used   Diversity-0.21534294 %90 %
7Number of Top 100 Shared Factors Used   Diversity-0.21403194 %91 %
8Variations in Body Tags   Relevancy-0.218193253881 %90 %
9Entities in Title Tag   Relevancy-0.219370 %89 %
10Variations in HTML Tags   Relevancy-0.218193253881 %90 %
11Entities in the HTML Tag   Relevancy-0.2165214774 %93 %
12Entities in Sentences   Relevancy-0.2162514472 %93 %
13Load Time Milliseconds   Performance-0.214517149785 %87 %
14Variations in H1, H2, and H3 Tags   Relevancy-0.2171870 %89 %
15Variations in H1-H6 Tags   Relevancy-0.22151071 %89 %
16Variations in Search Result Display URL   Relevancy-0.213283 %77 %
17Variations in Search Result Link Text   Relevancy-0.213283 %76 %
18Variations in Div Tags   Relevancy-0.22738622478 %89 %
19Variations in Search Result Document File Name   Relevancy-0.27253 %81 %
20Variations in Sentences   Relevancy-0.248375576 %90 %
21Variations in H1 and H2 Tags   Relevancy-0.299568 %88 %
22Number of Top 50 Shared Factors Used   Diversity-0.2171393 %89 %
23Variations in P Tags   Relevancy-0.233814872 %89 %
24Entities in H2 Tags-0.232754 %91 %
25Variations in Search Result URL Path   Relevancy-0.199256 %81 %
26Number of Referring Domains   Authority-0.19112077249 %71 %
27Number of Factors Used   Diversity-0.1941519293 %87 %
28Entities in H1 Tags-0.1929258 %86 %
29Variations in Search Result URL   Relevancy-0.1917264 %78 %
30Variations in H2 Tags   Relevancy-0.1986451 %87 %
31Number of Backlinks   Authority-0.193005253461748 %72 %
32Leading Variations in H1, H2, and H3 Tags   Relevancy-0.1918248 %85 %
33Leading Variations in H1-H6 Tags   Relevancy-0.1922251 %85 %
34Variations in A Tags   Relevancy-0.1830313972 %86 %
35Term Frequency   Relevancy-0.186381 %88 %
36Variations in LI Tags   Relevancy-0.1815612970 %88 %
37Number of Do Follow Backlinks   Authority-0.18363654273841 %71 %
38Entities in H3 Tags-0.1883744 %91 %
39Variations in Distinct A Tag HREF Attributes   Relevancy-0.1811714268 %87 %
40Variations in H1 Tags   Relevancy-0.1818260 %81 %
41Variations in A Tag HREF Attributes   Relevancy-0.1820666368 %87 %
42Number of No Follow Backlinks   Authority-0.182963884188541 %71 %
43Variations in First 100 Words   Relevancy-0.181931072 %81 %
44Variations in the Canonical URL   Relevancy-0.1860257 %82 %
45Variations in the Title Tag   Relevancy-0.1873272 %78 %
46Clean Keyword Density in the HTML Tag   Relevancy-0.18197574 %79 %
47Variations in Absolute URLs   Relevancy-0.1780939370 %86 %
48LSI Words in Sentences   Relevancy-0.17529463864 %94 %
49Number of Sentences   Size-0.17126912183 %86 %
50Number of HTML Tags   Size-0.174805100185 %83 %
51Variations in Script Tags   Relevancy-0.171222711867 %88 %
52Unabridged Word Count   Size-0.177332179385 %85 %
53Variations in Meta Description   Relevancy-0.1749259 %80 %
54Word Count   Size-0.174754143784 %85 %
55Variation Density in Top 30KB   Relevancy-0.17329469 %82 %
56Entities in Meta Description Tag   Relevancy-0.179458 %83 %
57Clean Text Kilobytes   Size-0.17491279 %86 %
58Number of Includes   Technology-0.17552480 %74 %
59Variations in Span Tags   Relevancy-0.166771457 %85 %
60Variations in H3 Tags   Relevancy-0.1692439 %85 %
61Number of Questions   Size-0.161761066 %85 %
62Variations in ALT Attributes   Relevancy-0.16231950 %84 %
63Variations in OpenGraph Title   Relevancy-0.1615257 %74 %
64Leading Variations in Title Tag   Relevancy-0.161135 %75 %
65LSI Words in Title Tag   Relevancy-0.1622564 %92 %
66Leading Variations in H1 Tags   Relevancy-0.162131 %77 %
67Variations in Nav Tags   Relevancy-0.1664543951 %81 %
68Number of P Tags   Size-0.162153778 %82 %
69Has Entities in H1 Tags   Relevancy-0.161158 %80 %
70Variations in OpenGraph Description   Relevancy-0.1647252 %78 %
71Number of Images   Size-0.165513079 %80 %
72Number of Heading Tags   Size-0.16692179 %83 %
73Variations in Main Tags   Relevancy-0.161608510036 %84 %
74Number of Images with ALT Text   Size-0.165442174 %80 %
75Has JSON-LD Schema Markup   Relevancy-0.151154 %71 %
76Number of HTTPS Links   Authority-0.15106914182 %81 %
77Number of Links   Authority-0.1591514282 %79 %
78Number of H2 Tags   Size-0.1521770 %83 %
79Leading Variations in H2 Tags   Relevancy-0.158125 %82 %
80Number of Internal Links   Authority-0.15105712782 %81 %
81Number of DoFollow Links   Authority-0.1578413782 %80 %
82Number of Facebook Pages   Authority-0.1534260 %73 %
83Number of CSS Includes   Technology-0.1520971 %70 %
84TF/IDF   Relevancy-0.151167 %80 %
85Title Tag Has Entities   Relevancy-0.151169 %82 %
86LSI Words in H2 Tags   Relevancy-0.15871854 %92 %
87Exact Matches in the HTML Tag   Relevancy-0.153491029 %86 %
88Variation Count in Top 30KB   Relevancy-0.1549323872 %81 %
89Page Size Kilobytes   Size-0.15274924985 %83 %
90Number of Absolute URLs   Authority-0.15443125785 %80 %
91Variations in the last 100 words   Relevancy-0.15192656 %79 %
92Number Of JSON-LD Types   Relevancy-0.151061357 %80 %
93Variations in Section Tags   Relevancy-0.1513352840 %81 %
94Variations Making Whole Span Tags   Relevancy-0.1534123 %78 %
95Number of Questions In Headings   Size-0.158235 %83 %
96Has Entities in H2 Tags   Relevancy-0.141154 %80 %
97LSI Words in H1 Tags   Relevancy-0.1439455 %90 %
98Entities in H4 Tags-0.1429222 %84 %
99Variations making whole H1, H2, and H3 Tags   Relevancy-0.144116 %75 %
100Variations making whole H1-H6 Tags   Relevancy-0.149118 %75 %
101Variations making whole A Tags   Relevancy-0.1425234 %75 %
102Number of H3 Tags   Size-0.1438862 %82 %
103Number of H1 Tags   Size-0.1418272 %80 %
104Variations in Footer Tags   Relevancy-0.1429121638 %80 %
105Number of Instagram Pages   Authority-0.1414241 %71 %
106Flesch Kincaid Reading Grade Level   Other-0.147290 %84 %
107Variations Making Whole LI Tags   Relevancy-0.149129 %76 %
108Percentage of DoFollow Internal Links   Authority-0.14977580 %79 %
109Variations in TITLE Attributes   Relevancy-0.14166741 %81 %
110Number of External Links   Authority-0.141571678 %78 %
111Number of HTML Comments   Size-0.147353871 %80 %
112Leading Variations in H3 Tags   Relevancy-0.1410118 %80 %
113Search Result Number of Dirs in Path   Other-0.144275 %74 %
114Inline JavaScript Kilobytes   Size-0.1411607881 %81 %
115Inline CSS Kilobytes   Size-0.141785563 %79 %
116Variations in Button Tags   Relevancy-0.142106910 %77 %
117Has Entities in H3 Tags   Relevancy-0.141145 %80 %
118Number of Prices   Size-0.148255667 %81 %
119Percentage of DoFollow Links   Authority-0.141008680 %84 %
120Number of DoFollow External Links   Authority-0.141421477 %75 %
121Variations in Strong Tags   Relevancy-0.14117330 %77 %
122Number of JavaScript Includes   Technology-0.14361681 %74 %
123LSI Words in H3 Tags   Relevancy-0.131601747 %90 %
124Uses JSON-LD mainEntity   Other-0.13112 %12 %
125Number of Questions In H2 Tags   Size-0.134122 %77 %
126Number of LinkedIn Pages   Authority-0.135128 %75 %
127LSI Words in Meta Description Tag   Relevancy-0.13361052 %87 %
128Meta Description Tag Has Entities   Relevancy-0.131158 %74 %
129Headings Has Question   Other-0.131135 %76 %
130Has Meta Charset   Technology-0.131174 %72 %
131Number of Twitter Accounts   Authority-0.134132 %71 %
132Number of Nofollow Links   Authority-0.13257527 %75 %
133Variations in Article Tags   Relevancy-0.1318341825 %71 %
134Exact Matches in H1-H6 Tags   Relevancy-0.1314119 %84 %
135Search Result Not .com .net or .org   Other-0.131181 %11 %
136Search Result Host Length   Size-0.13281883 %71 %
137Search Result Domain Length   Size-0.13281883 %72 %
138Exact Matches in Top 30KB   Relevancy-0.1330218 %74 %
139Title Word Count   Size-0.1337881 %71 %
140Variations in I Tags   Relevancy-0.13209628 %75 %
141Variations in H4-H6 Tags   Relevancy-0.1372221 %76 %
142Variations in Search Result Summary   Relevancy-0.1345384 %67 %
143Variations in Form Tags   Relevancy-0.1364114 %72 %
144Search Result URL Length   Size-0.131036392 %51 %
145Number of Forms   Technology-0.1316256 %73 %
146Number of Social Pages   Authority-0.1366465 %75 %
147Number of Facebook Accounts   Authority-0.136130 %69 %
148Has Canonical URL   Authority-0.131171 %72 %
149Variations in Value Attributes   Relevancy-0.1353215 %73 %
150Number of Images without ALT Text   Size-0.13801060 %77 %
151Variations in H4 Tags   Relevancy-0.1343116 %75 %
152Variations in B Tags   Relevancy-0.1362414 %75 %
153Variations in Style Tags   Relevancy-0.123018911919 %78 %
154Number of Questions In H3 Tags   Size-0.126116 %79 %
155Word Count in Meta Description   Size-0.12752067 %72 %
156Uses JSON-LD name-0.121152 %67 %
157Uses Schema listitem   Other-0.121140 %64 %
158Variations in ID Attributes   Relevancy-0.12673416 %79 %
159Uses Schema answer   Other-0.12117 %61 %
160Uses JSON-LD ListItem   Other-0.121136 %64 %
161Variations in Class Attributes   Relevancy-0.1287223728 %77 %
162Uses Schema faqpage   Other-0.12117 %61 %
163Uses JSON-LD Answer   Other-0.12116 %61 %
164Has Meta Viewport   Technology-0.121181 %77 %
165Number of US Phone Numbers   Trust-0.1211451041 %71 %
166Meta Description Length   Size-0.1242212267 %73 %
167Uses JSON-LD FAQPage   Other-0.12116 %60 %
168Uses Schema addresslocality   Other-0.121118 %60 %
169Is Home Page   Other-0.121114 %44 %
170Uses Schema name   Other-0.121159 %66 %
171Search Result Uses HTTPS   Other-0.121184 %80 %
172Uses JSON-LD ItemList   Other-0.12113 %38 %
173Title Length   Size-0.122735381 %69 %
174Uses JSON-LD text   Other-0.12117 %60 %
175Has Privacy Policy   Trust-0.121159 %72 %
176Uses JSON-LD Question   Other-0.12116 %60 %
177Percentage of DoFollow External Links   Authority-0.12311274 %69 %
178Uses Schema question   Other-0.12117 %61 %
179Uses Schema postaladdress   Other-0.121119 %61 %
180Percentage of NoFollow Links   Authority-0.1226325 %71 %
181Uses Schema itemlist   Other-0.12114 %39 %
182Number of Email Addresses   Trust-0.121422542 %73 %
183Uses JSON-LD PostalAddress   Other-0.121117 %62 %
184Uses JSON-LD addressLocality   Other-0.121116 %61 %
185Has DocType Tag   Technology-0.121176 %46 %
186Has Schema Markup   Relevancy-0.121163 %69 %
187Variations in Meta Twitter Description   Relevancy-0.1220123 %70 %
188Number of Social Accounts   Authority-0.1212248 %71 %
189Uses Schema breadcrumblist   Other-0.121139 %64 %
190Variations making whole H1 Tags   Relevancy-0.12119 %71 %
191Uses Schema addressregion   Other-0.121118 %58 %
192Number of NoFollow External Links   Authority-0.12119318 %72 %
193Average Words Per Sentence   Size-0.125553880 %73 %
194Uses JSON-LD addressRegion   Other-0.121116 %58 %
195Has Meta Description   Relevancy-0.121166 %69 %
196Uses Schema pricerange   Other-0.12119 %48 %
197Number of H4 Tags   Size-0.1228438 %73 %
198Variations in Meta Twitter Content   Relevancy-0.1261125 %68 %
199Uses JSON-LD BreadcrumbList   Other-0.121135 %64 %
200Exact Matches in Sentences   Relevancy-0.12102320 %87 %