Measures 132957 SEO Factors

131235 Built-In SEO Factors

123064 On-page SEO Factors

8171 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 ( 53559 )
Relevancy SEO Factors ( 52555 )
Other SEO Factors ( 24041 )
Local SEO Factors ( 8000 )
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 ( 53555 )
Keywords SEO Factors ( 40670 )
Schema SEO Factors ( 23987 )
LSI SEO Factors ( 8388 )
Local SEO Factors ( 8001 )
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 2023-10     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-0.3725885 %16 %
2Number of Distinct Yake Words Used   Diversity-0.354004386 %14 %
3Number of Distinct LSI Words Used   Diversity-0.32132956786 %13 %
4Number of Distinct Entities Used   Diversity-0.31732888 %81 %
5Clean Variations   Relevancy-0.312076581 %14 %
6Yake Words in Sentences   Relevancy-0.31100214981 %12 %
7Variations   Relevancy-0.390424585 %13 %
8Number of Unique LSI Words Used   Diversity-0.3147231391 %74 %
9Clean Yake Words   Relevancy-0.29102215483 %11 %
10Yake Words   Relevancy-0.28679480386 %13 %
11Number of Unique Variations Used   Diversity-0.28381089 %77 %
12LSI Words   Relevancy-0.2822595825585 %12 %
13Number of Distinct Related Searches Used   Diversity-0.2820249 %14 %
14Entities in the HTML Tag   Relevancy-0.2773913484 %82 %
15Variation Density in Sentences   Relevancy-0.279477 %13 %
16Entities in Sentences   Relevancy-0.2773813183 %81 %
17Variation Density   Relevancy-0.2711579 %14 %
18LSI Density   Relevancy-0.27554483 %12 %
19Variations in Body Tags   Relevancy-0.278135235288 %80 %
20Variations in HTML Tags   Relevancy-0.278135235288 %80 %
21LSI Density in Sentences   Relevancy-0.26473682 %12 %
22Related Searches   Relevancy-0.2667748 %11 %
23Clean LSI Words   Relevancy-0.26198068183 %11 %
24Clean Word Count   Relevancy-0.263934144686 %15 %
25Variations in Head Tags-0.262534781 %13 %
26Variations in Title Tags-0.264278 %13 %
27Number of Top 200 Shared Factors Used   Diversity-0.26533999 %91 %
28Number of Top 100 Shared Factors Used   Diversity-0.26402999 %91 %
29Number of Factors Used   Diversity-0.2660721599 %91 %
30Variations in H1-H6 Tags   Relevancy-0.253021078 %78 %
31Variations in H1, H2, and H3 Tags   Relevancy-0.25236878 %79 %
32Number of Distinct HTML Tags Used   Diversity-0.25523986 %14 %
33Entities in Title Tag   Relevancy-0.259374 %77 %
34Variations in P Tags   Relevancy-0.2537694578 %78 %
35Variations in Ul Tags-0.253448169 %13 %
36Variations in Sentences   Relevancy-0.2545795283 %79 %
37Variations in Div Tags   Relevancy-0.254149617286 %79 %
38Yake Density   Relevancy-0.24331082 %11 %
39Sentence Word Count   Relevancy-0.244406177885 %14 %
40Variations in H1 and H2 Tags   Relevancy-0.24125575 %77 %
41Yake Density in Sentences   Relevancy-0.2426882 %11 %
42Entities in H2 Tags-0.2448758 %80 %
43Number of Top 50 Shared Factors Used   Diversity-0.24171398 %81 %
44LSI Words in Sentences   Relevancy-0.24547281380 %81 %
45Variations in A Tags   Relevancy-0.2443323278 %79 %
46Variations in LI Tags   Relevancy-0.2415412676 %78 %
47Number of P Tags Used   Size-0.233123580 %14 %
48Number of Div Tags Used-0.2358020885 %13 %
49Exact Matches   Relevancy-0.23163941 %11 %
50Variations in Search Result Link Text   Relevancy-0.2316286 %65 %
51Variations in Meta description Tag content Attributes-0.236366 %12 %
52Variations in META Tags   Relevancy-0.2324767 %11 %
53Number of Distinct HTML Attributes Used   Diversity-0.23865585 %13 %
54Variations in Img Tag alt Attributes-0.2366856 %13 %
55Term Frequency   Relevancy-0.236388 %78 %
56Leading Variations in H1-H6 Tags   Relevancy-0.2328255 %75 %
57Number of Meta viewport Tags Used-0.222181 %13 %
58Variations in H2 Tags   Relevancy-0.22107455 %77 %
59Entities in H3 Tags-0.2229647 %80 %
60Variations in Search Result Display URL   Relevancy-0.2259287 %77 %
61Leading Variations in H1, H2, and H3 Tags   Relevancy-0.2220252 %75 %
62Variations in Link Tag href Attributes-0.2228659 %12 %
63Number of Referring Domains   Authority-0.2266477160 %78 %
64Clean Keyword Density in the HTML Tag   Relevancy-0.22197581 %71 %
65LSI Words in Title Tag   Relevancy-0.2217679 %79 %
66Variations in the Title Tag   Relevancy-0.2220278 %68 %
67Variation Density in Top 30KB   Relevancy-0.222422575 %84 %
68Variations in Search Result URL Path   Relevancy-0.2216260 %83 %
69Entities in H1 Tags-0.226262 %72 %
70Number of Span Tags Used-0.212598482 %13 %
71Number of Img Tags Used-0.21662482 %13 %
72Variations in Distinct A Tag HREF Attributes   Relevancy-0.2117603974 %78 %
73A Tags Word Count   Relevancy-0.2171326983 %13 %
74Number of Backlinks   Authority-0.212850585523660 %79 %
75Variations in A Tag HREF Attributes   Relevancy-0.2128275874 %78 %
76Variations in First 100 Words   Relevancy-0.2115731178 %81 %
77H2 Tags Word Count   Relevancy-0.21792571 %12 %
78Variations in the Canonical URL   Relevancy-0.21117262 %85 %
79Unabridged Word Count   Size-0.2154271200692 %75 %
80Word Count   Size-0.2110199157392 %75 %
81Number of Meta Tags Used-0.21221184 %13 %
82Exact Matches in the HTML Tag   Relevancy-0.215111439 %71 %
83Number of Title Tags Used-0.217286 %13 %
84Number of A Tags Used   Size-0.2129812284 %13 %
85Variations in Script Tags   Relevancy-0.21123648072 %77 %
86Number of Do Follow Backlinks   Authority-0.212081676445652 %77 %
87Number of Script Tags Used-0.21603185 %12 %
88Clean Text Kilobytes   Size-0.212761388 %88 %
89Number of No Follow Backlinks   Authority-0.276890975252 %76 %
90Number of HTML Tags   Size-0.24053106692 %74 %
91Variations in ALT Attributes   Relevancy-0.2371956 %75 %
92Variations in H1 Tags   Relevancy-0.219267 %70 %
93Variations in Absolute URLs   Relevancy-0.28446611575 %89 %
94Variations in Search Result Document File Name   Relevancy-0.215260 %78 %
95Number of Sentences   Size-0.267312391 %75 %
96Number of Ul Tags Used-0.2451678 %13 %
97Variations in Search Result URL   Relevancy-0.229267 %78 %
98Number of H3 Tags Used   Size-0.223863 %12 %
99Variations in Img Tag src Attributes-0.224541 %12 %
100LSI Words in H2 Tags   Relevancy-0.21272266 %80 %
101H3 Tags Word Count   Relevancy-0.19982963 %12 %
102Variations in H3 Tags   Relevancy-0.19111341 %76 %
103Number of H2 Tags Used   Size-0.1914672 %12 %
104Search Result Domain is .com, .net, or .org   Other-0.19113 %58 %
105Variations in Span Tags   Relevancy-0.196001360 %75 %
106Number of Meta description Tags Used-0.192173 %12 %
107Variations in Meta Description   Relevancy-0.1931262 %70 %
108Number of Li Tags Used-0.192468579 %13 %
109Number of P Tags   Size-0.197694286 %73 %
110Variations in Main Tags   Relevancy-0.19141958839 %77 %
111Variations in OpenGraph Description   Relevancy-0.1939255 %69 %
112Entities in Meta Description Tag   Relevancy-0.1913360 %72 %
113Variations in OpenGraph Title   Relevancy-0.199260 %64 %
114Leading Variations in Title Tag   Relevancy-0.191138 %66 %
115Number of Svg Tags Used-0.19521446 %11 %
116Number Of JSON-LD Types   Relevancy-0.191541462 %84 %
117Number of Button Tags Used-0.1928759 %12 %
118Number of Questions   Size-0.19651071 %89 %
119Search Result Domain is .com   Other-0.19113 %66 %
120Variations in Nav Tags   Relevancy-0.1970483254 %75 %
121LSI Words in H1 Tags   Relevancy-0.1875569 %74 %
122Load Time Milliseconds   Performance-0.1835351185992 %87 %
123Leading Variations in H1 Tags   Relevancy-0.182133 %79 %
124Number of Includes   Technology-0.18702587 %64 %
125Has JSON-LD Schema Markup   Relevancy-0.181158 %78 %
126Number of Links   Authority-0.1864015290 %72 %
127Number of Strong Tags Used-0.1830852 %12 %
128Has Entities in H1 Tags   Relevancy-0.181164 %69 %
129Exact Matches in H1-H6 Tags   Relevancy-0.1810125 %73 %
130Number of Link Tags Used-0.18472184 %12 %
131Has Entities in H2 Tags   Relevancy-0.181159 %73 %
132TITLE Tags Word Count   Relevancy-0.1816884 %12 %
133Number of Heading Tags   Size-0.18812287 %74 %
134Number of HTTPS Links   Authority-0.1863714689 %86 %
135Title Tag Has Entities   Relevancy-0.181176 %71 %
136Number of Nav Tags Used-0.186267 %12 %
137Number of Internal Links   Authority-0.1845313189 %86 %
138Number of Images with ALT Text   Size-0.181132083 %86 %
139Number of Images   Size-0.171413188 %72 %
140LSI Words in H3 Tags   Relevancy-0.171712158 %78 %
141TF/IDF   Relevancy-0.171172 %71 %
142Number of Iframe Tags Used-0.175148 %11 %
143Number of DoFollow Links   Authority-0.1763214490 %85 %
144Number of Facebook Pages   Authority-0.179367 %77 %
145Number of H1 Tags Used   Size-0.1714275 %12 %
146Number of Style Tags Used-0.1719871 %12 %
147Leading Variations in H2 Tags   Relevancy-0.179127 %86 %
148Number of Footer Tags Used-0.174162 %12 %
149Variations in Section Tags   Relevancy-0.1713162643 %74 %
150Number of Questions In Headings   Size-0.1718238 %86 %
151Number of Absolute URLs   Authority-0.17121924792 %84 %
152Exact Matches in Sentences   Relevancy-0.1757326 %74 %
153Number of Header Tags Used-0.175261 %12 %
154Variations making whole A Tags   Relevancy-0.1755236 %70 %
155Uses Schema name   Other-0.171165 %68 %
156Has Entities in H3 Tags   Relevancy-0.171149 %71 %
157Number of H2 Tags   Size-0.1742777 %74 %
158Page Size Kilobytes   Size-0.16105924492 %84 %
159Variations in TITLE Attributes   Relevancy-0.16285845 %74 %
160Entities in H4 Tags-0.1616224 %75 %
161Variations Making Whole LI Tags   Relevancy-0.1615130 %70 %
162Variation Count in Top 30KB   Relevancy-0.16403265078 %83 %
163Number of Noscript Tags Used-0.1619560 %12 %
164Variations Making Whole Span Tags   Relevancy-0.1693224 %72 %
165LSI Words in Meta Description Tag   Relevancy-0.16471163 %74 %
166Variations in the last 100 words   Relevancy-0.161589659 %80 %
167Number of H3 Tags   Size-0.1628869 %72 %
168Exact Matches in Title Tag   Relevancy-0.162122 %68 %
169Uses JSON-LD name   Other-0.161158 %70 %
170Variations in Strong Tags   Relevancy-0.16173333 %70 %
171Search Result Number of Dirs in Path   Other-0.164279 %74 %
172Number of Br Tags Used-0.1662959 %12 %
173Variations in Footer Tags   Relevancy-0.1644311241 %73 %
174Variations making whole H1-H6 Tags   Relevancy-0.164119 %68 %
175Number of CSS Includes   Technology-0.1637978 %70 %
176Number of Instagram Pages   Authority-0.1518245 %78 %
177Exact Matches in Top 30KB   Relevancy-0.1525224 %79 %
178Has Schema Markup   Relevancy-0.151170 %75 %
179Headings Has Question   Other-0.151138 %80 %
180Uses Schema aggregaterating   Other-0.151110 %59 %
181Variations making whole H1, H2, and H3 Tags   Relevancy-0.153116 %66 %
182Uses Schema answer   Other-0.15118 %61 %
183H1 Tags Word Count   Relevancy-0.1543675 %12 %
184Leading Variations in H3 Tags   Relevancy-0.1510119 %84 %
185Uses JSON-LD Question   Other-0.15117 %63 %
186Uses Schema listitem   Other-0.151143 %66 %
187Number of Questions In H2 Tags   Size-0.155124 %81 %
188Uses Schema question   Other-0.15118 %62 %
189Number of US Phone Numbers   Trust-0.155381349 %77 %
190Number of JavaScript Includes   Technology-0.15501789 %65 %
191Uses Schema description   Other-0.151151 %59 %
192Uses JSON-LD Answer   Other-0.15117 %60 %
193Number of Section Tags Used-0.1515548 %11 %
194Number of Twitter Accounts   Authority-0.154140 %76 %
195Inline JavaScript Kilobytes   Size-0.156326889 %81 %
196Uses Schema breadcrumblist   Other-0.151143 %68 %
197Variations in Button Tags   Relevancy-0.15166439 %70 %
198Percentage of DoFollow Internal Links   Authority-0.15957889 %82 %
199Has Meta Charset   Technology-0.151182 %60 %
200Uses JSON-LD FAQPage   Other-0.15116 %65 %