Measures 132212 SEO Factors

130490 Built-In SEO Factors

122335 On-page SEO Factors

8155 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 ( 53490 )
Relevancy SEO Factors ( 52454 )
Other SEO Factors ( 23575 )
Local SEO Factors ( 7990 )
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 ( 53486 )
Keywords SEO Factors ( 40571 )
Schema SEO Factors ( 23521 )
LSI SEO Factors ( 8386 )
Local SEO Factors ( 7991 )
Entities SEO Factors ( 3475 )
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 2023-12     previous - today - next

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

NameCorrelation#1 MaxPage 1 AvgUsage %Searches %
1Number of Distinct Variations Used   Diversity-0.3837983 %22 %
2Number of Distinct Yake Words Used   Diversity-0.373294885 %19 %
3Number of Distinct LSI Words Used   Diversity-0.35122859585 %18 %
4Variations   Relevancy-0.34118931283 %17 %
5Clean Variations   Relevancy-0.342327279 %19 %
6Yake Words in Sentences   Relevancy-0.3381416179 %17 %
7Clean Yake Words   Relevancy-0.3279817082 %16 %
8Clean Entities   Relevancy-0.3241913681 %16 %
9Yake Words   Relevancy-0.32764286686 %17 %
10LSI Words   Relevancy-0.3220906881185 %17 %
11Number of Div Tags Used-0.3168923484 %19 %
12Clean LSI Words   Relevancy-0.3146270282 %16 %
13Clean Word Count   Relevancy-0.33375147185 %21 %
14Number of Distinct HTML Tags Used   Diversity-0.29513885 %19 %
15Sentence Word Count   Relevancy-0.295327181884 %20 %
16LSI Density in Sentences   Relevancy-0.28463480 %17 %
17Number of P Tags Used   Size-0.283373677 %19 %
18Number of Distinct HTML Attributes Used   Diversity-0.28985384 %19 %
19Variation Density in Sentences   Relevancy-0.287475 %20 %
20Related Searches in Sentences   Relevancy-0.2876537 %13 %
21Number of Unique LSI Words Used   Diversity-0.28143131091 %62 %
22Variation Density   Relevancy-0.289577 %20 %
23Entity Density in Sentences   Relevancy-0.286201078 %16 %
24LSI Density   Relevancy-0.28544382 %17 %
25Number of Meta viewport Tags Used-0.282180 %19 %
26Number of Img Tags Used-0.271112780 %19 %
27Yake Density in Sentences   Relevancy-0.2731880 %17 %
28Entity Density   Relevancy-0.2717981 %16 %
29Variations in Title Tags-0.274277 %18 %
30Number of Distinct Related Searches Used   Diversity-0.2719239 %18 %
31Variations in Head Tags-0.271974481 %18 %
32Related Searches   Relevancy-0.2683538 %14 %
33H2 Tags Word Count   Relevancy-0.26702468 %18 %
34Variations in Meta description Tag content Attributes-0.266366 %17 %
35Number of Span Tags Used-0.265028281 %19 %
36Yake Density   Relevancy-0.25361182 %17 %
37Number of A Tags Used   Size-0.2550211883 %19 %
38Number of Distinct Entities Used   Diversity-0.251212682 %71 %
39A Tags Word Count   Relevancy-0.25107227982 %18 %
40Number of Factors Used   Diversity-0.2556821499 %94 %
41Variations in META Tags   Relevancy-0.2526764 %17 %
42Number of H2 Tags Used   Size-0.2513670 %18 %
43Variations in Ul Tags-0.255629167 %18 %
44Exact Matches   Relevancy-0.24116631 %15 %
45Clean Exact Matches   Relevancy-0.2434332 %13 %
46Variations in Link Tag href Attributes-0.2427559 %17 %
47Variations in Img Tag alt Attributes-0.2453955 %16 %
48Number of Title Tags Used-0.248285 %19 %
49Number of Top 100 Shared Factors Used   Diversity-0.24402799 %93 %
50Number of Meta Tags Used-0.24301183 %19 %
51Number of Script Tags Used-0.23472885 %19 %
52Number of Top 50 Shared Factors Used   Diversity-0.23181298 %79 %
53Number of Meta description Tags Used-0.231172 %17 %
54H3 Tags Word Count   Relevancy-0.23812861 %17 %
55Number of Unique Variations Used   Diversity-0.23511088 %70 %
56Number of H3 Tags Used   Size-0.2322862 %17 %
57Number of Distinct Exact Matches Used   Diversity-0.231137 %14 %
58Number of Top 200 Shared Factors Used   Diversity-0.23533699 %94 %
59Variations in Body Tags   Relevancy-0.236574931587 %74 %
60Variations in HTML Tags   Relevancy-0.236574931687 %74 %
61Number of Referring Domains   Authority-0.2373095756 %81 %
62Number of Li Tags Used-0.224727875 %17 %
63Variations in P Tags   Relevancy-0.2239624578 %72 %
64Number of Ul Tags Used-0.22711575 %17 %
65Variations in Div Tags   Relevancy-0.221961715485 %73 %
66Variations in H1, H2, and H3 Tags   Relevancy-0.2230877 %72 %
67Entities in the HTML Tag   Relevancy-0.22101611875 %76 %
68Variations in H1-H6 Tags   Relevancy-0.2235978 %72 %
69Entities in Sentences   Relevancy-0.2273111473 %76 %
70Number of Backlinks   Authority-0.22294716377556 %81 %
71Number of No Follow Backlinks   Authority-0.2111626186348 %78 %
72Variations in H1 and H2 Tags   Relevancy-0.2124575 %71 %
73Variations in Img Tag src Attributes-0.2122539 %14 %
74Variations in Sentences   Relevancy-0.2136854982 %72 %
75Has HTML Version 5   Other-0.211177 %15 %
76Number of Do Follow Backlinks   Authority-0.21187671298647 %79 %
77Number of H1 Tags Used   Size-0.219273 %18 %
78Number of Button Tags Used-0.2134757 %18 %
79Variations in LI Tags   Relevancy-0.2114342676 %72 %
80Number of Strong Tags Used-0.2126851 %15 %
81Variations in A Tags   Relevancy-0.226193077 %72 %
82Number of Svg Tags Used-0.2421443 %13 %
83Number of Link Tags Used-0.2461984 %19 %
84Clean Text Kilobytes   Size-0.21671386 %91 %
85Load Time Milliseconds   Performance-0.214583165592 %91 %
86Entities in H2 Tags-0.256654 %70 %
87Unabridged Word Count   Size-0.214604196392 %71 %
88Word Count   Size-0.24822155492 %71 %
89Entities in Title Tag   Relevancy-0.28371 %67 %
90Number of Style Tags Used-0.215770 %17 %
91Number of HTML Tags   Size-0.25178105092 %71 %
92Term Frequency   Relevancy-0.26387 %73 %
93LSI Words in Sentences   Relevancy-0.2463973571 %75 %
94Leading Variations in H1-H6 Tags   Relevancy-0.220255 %68 %
95Search Result Domain is .com, .net, or .org   Other-0.2113 %58 %
96Variations in H2 Tags   Relevancy-0.222455 %70 %
97Leading Variations in H1, H2, and H3 Tags   Relevancy-0.1915251 %68 %
98Variations in Search Result Link Text   Relevancy-0.194288 %58 %
99Variations in Search Result Display URL   Relevancy-0.1954289 %76 %
100TITLE Tags Word Count   Relevancy-0.1921984 %18 %
101Number of Header Tags Used-0.197259 %17 %
102Variations in A Tag HREF Attributes   Relevancy-0.1915015573 %73 %
103Variations in Distinct A Tag HREF Attributes   Relevancy-0.1911173673 %73 %
104Number of Nav Tags Used-0.196265 %16 %
105Entities in H3 Tags-0.1931644 %70 %
106Variations in Search Result URL Path   Relevancy-0.1952261 %81 %
107H1 Tags Word Count   Relevancy-0.1960673 %18 %
108Number of P Tags   Size-0.191763985 %68 %
109Number of Path Tags Used-0.19632141 %12 %
110Number of Heading Tags   Size-0.18812186 %70 %
111Search Result Domain is .com   Other-0.18113 %67 %
112Number of Sentences   Size-0.1881411891 %71 %
113Variations in Search Result Document File Name   Relevancy-0.1847259 %80 %
114Variations in the Title Tag   Relevancy-0.185279 %62 %
115Number of Noscript Tags Used-0.1816555 %16 %
116Number of Facebook Pages   Authority-0.1818266 %82 %
117Number of Section Tags Used-0.1812546 %15 %
118Variations in First 100 Words   Relevancy-0.1811571279 %84 %
119Number of Includes   Technology-0.18742486 %61 %
120Number of Links   Authority-0.1853614989 %69 %
121Number of Footer Tags Used-0.189157 %15 %
122Number of HTTPS Links   Authority-0.1853614389 %88 %
123Variations in the Canonical URL   Relevancy-0.18387262 %84 %
124Variations in Span Tags   Relevancy-0.186761361 %70 %
125Number of DoFollow Links   Authority-0.1853314189 %87 %
126Variations in H1 Tags   Relevancy-0.185267 %64 %
127Entities in H1 Tags-0.1814258 %64 %
128Number of Images with ALT Text   Size-0.181002081 %89 %
129Number of Images   Size-0.181163087 %69 %
130Number of Internal Links   Authority-0.1851713089 %87 %
131Has JSON-LD Schema Markup   Relevancy-0.181157 %79 %
132Number of Iframe Tags Used-0.183143 %14 %
133Number of H2 Tags   Size-0.1754776 %69 %
134Variations in ALT Attributes   Relevancy-0.17147955 %69 %
135Variations in Absolute URLs   Relevancy-0.172211010075 %91 %
136Variations in Script Tags   Relevancy-0.17198428772 %71 %
137Exact Matches in the HTML Tag   Relevancy-0.175501337 %68 %
138Variations in Search Result URL   Relevancy-0.1790268 %78 %
139Number of Questions   Size-0.17621071 %90 %
140Clean Keyword Density in the HTML Tag   Relevancy-0.17172581 %65 %
141Number of Br Tags Used-0.17551060 %17 %
142Variation Density in Top 30KB   Relevancy-0.171147575 %85 %
143Number of Questions In Headings   Size-0.1710238 %86 %
144Variations in Nav Tags   Relevancy-0.172942854 %68 %
145Number of Meta robots Tags Used-0.171148 %16 %
146Variations in H3 Tags   Relevancy-0.1718341 %69 %
147Number of Instagram Pages   Authority-0.1712245 %83 %
148Number of Meta twitter:card Tags Used-0.171152 %13 %
149Variations in Main Tags   Relevancy-0.1749597339 %70 %
150Variations in Meta Description   Relevancy-0.1738262 %66 %
151Exact Matches in H1-H6 Tags   Relevancy-0.1715125 %68 %
152LSI Words in H2 Tags   Relevancy-0.164371958 %73 %
153Number of CSS Includes   Technology-0.1620877 %76 %
154Leading Variations in H1 Tags   Relevancy-0.162134 %79 %
155Number of H4 Tags Used   Size-0.1628439 %15 %
156Number Of JSON-LD Types   Relevancy-0.163131562 %87 %
157H4 Tags Word Count   Relevancy-0.16721138 %15 %
158Number of Absolute URLs   Authority-0.16114725491 %86 %
159Leading Variations in H2 Tags   Relevancy-0.164126 %84 %
160Number of H3 Tags   Size-0.1626868 %68 %
161Leading Variations in Title Tag   Relevancy-0.161138 %60 %
162Number of Main Tags Used-0.161133 %13 %
163Page Size Kilobytes   Size-0.1667524692 %87 %
164Number of Twitter Accounts   Authority-0.165139 %78 %
165Variation Count in Top 30KB   Relevancy-0.16216417077 %83 %
166Has Entities in H1 Tags   Relevancy-0.161161 %62 %
167Entities in Meta Description Tag   Relevancy-0.1622358 %65 %
168TF/IDF   Relevancy-0.161172 %66 %
169LSI Words in Title Tag   Relevancy-0.1621671 %73 %
170Has Entities in H2 Tags   Relevancy-0.161156 %65 %
171Number of Input Tags Used-0.161381059 %17 %
172Headings Has Question   Other-0.151138 %82 %
173Exact Matches in Top 30KB   Relevancy-0.1520222 %80 %
174Number of Facebook Accounts   Authority-0.159138 %79 %
175Variations in Section Tags   Relevancy-0.159182743 %67 %
176Number of I Tags Used   Size-0.15641240 %14 %
177Variations in OpenGraph Description   Relevancy-0.1536255 %64 %
178Number of External Links   Authority-0.15601685 %83 %
179Variations in OpenGraph Title   Relevancy-0.154261 %59 %
180Number of Label Tags Used-0.15117540 %15 %
181Number of Form Tags Used-0.159252 %15 %
182Exact Matches in Title Tag   Relevancy-0.152123 %62 %
183Has Meta Charset   Technology-0.151181 %60 %
184Variations in Footer Tags   Relevancy-0.15141940 %66 %
185Title Tag Has Entities   Relevancy-0.151172 %62 %
186Number of DoFollow External Links   Authority-0.15571484 %81 %
187Number of Questions In H2 Tags   Size-0.159124 %83 %
188LSI Words in H3 Tags   Relevancy-0.151231951 %72 %
189Variations Making Whole Span Tags   Relevancy-0.157125 %65 %
190LSI Words in H1 Tags   Relevancy-0.1525561 %70 %
191Uses Schema name   Other-0.151166 %71 %
192Has Entities in H3 Tags   Relevancy-0.141145 %64 %
193Number of Social Pages   Authority-0.1420471 %82 %
194Percentage of DoFollow Internal Links   Authority-0.141007789 %82 %
195Exact Matches in Sentences   Relevancy-0.14110326 %69 %
196Number of JavaScript Includes   Technology-0.14641788 %62 %
197Variations Making Whole LI Tags   Relevancy-0.149132 %61 %
198Number of LinkedIn Pages   Authority-0.149126 %82 %
199Number of Questions In H3 Tags   Size-0.146117 %83 %
200Number of Social Accounts   Authority-0.1415256 %79 %