Measures 134066 SEO Factors

132344 Built-In SEO Factors

124109 On-page SEO Factors

8235 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 ( 53601 )
Relevancy SEO Factors ( 52589 )
Other SEO Factors ( 24810 )
Local SEO Factors ( 8067 )
Technology SEO Factors ( 1599 )
Authority SEO Factors ( 163 )
Pay Per Click SEO Factors ( 29 )
Diversity SEO Factors ( 15 )
Trust SEO Factors ( 15 )
Easy SEO Factors ( 3 )
Performance SEO Factors ( 1 )

SEO Factor Type

Size SEO Factors ( 53597 )
Keywords SEO Factors ( 40692 )
Schema SEO Factors ( 24756 )
LSI SEO Factors ( 8397 )
Local SEO Factors ( 8068 )
Entities SEO Factors ( 3478 )
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 2023-9     previous - today - next

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

NameCorrelation#1 MaxPage 1 AvgUsage %Searches %
1Number of Distinct Yake Words Used   Diversity-0.363705283 %12 %
2Number of Distinct Variations Used   Diversity-0.3624882 %14 %
3Number of Distinct LSI Words Used   Diversity-0.34137656684 %12 %
4Variations   Relevancy-0.3385523982 %13 %
5LSI Words   Relevancy-0.3218838801783 %12 %
6Yake Words   Relevancy-0.32643093382 %11 %
7Clean Variations   Relevancy-0.321816278 %12 %
8Number of Distinct Entities Used   Diversity-0.31732887 %79 %
9Number of Unique LSI Words Used   Diversity-0.3142730490 %71 %
10LSI Density   Relevancy-0.3544281 %12 %
11Number of Unique Variations Used   Diversity-0.2836987 %74 %
12Variation Density   Relevancy-0.289475 %13 %
13Number of Distinct Related Searches Used   Diversity-0.2823249 %12 %
14Variations in Title Tags-0.284274 %13 %
15Variation Density in Sentences   Relevancy-0.288474 %13 %
16Entities in the HTML Tag   Relevancy-0.2878213582 %81 %
17Entities in Sentences   Relevancy-0.2877713181 %81 %
18Clean Word Count   Relevancy-0.284468143683 %14 %
19Number of Div Tags Used-0.2856920982 %13 %
20Variations in Head Tags-0.272434777 %13 %
21Variations in Body Tags   Relevancy-0.275535332487 %79 %
22Variations in HTML Tags   Relevancy-0.275535332487 %79 %
23Sentence Word Count   Relevancy-0.275962181283 %13 %
24Number of Distinct HTML Tags Used   Diversity-0.27523984 %13 %
25Number of Top 100 Shared Factors Used   Diversity-0.27462998 %89 %
26Variations in H1-H6 Tags   Relevancy-0.263491077 %77 %
27Variations in Ul Tags-0.263187966 %13 %
28Variations in H1, H2, and H3 Tags   Relevancy-0.26291877 %77 %
29Number of Top 200 Shared Factors Used   Diversity-0.26593998 %90 %
30Number of Distinct HTML Attributes Used   Diversity-0.26935482 %13 %
31Variations in Meta description Tag content Attributes-0.265261 %12 %
32Variations in P Tags   Relevancy-0.2634734477 %78 %
33Number of Factors Used   Diversity-0.2651021198 %88 %
34Variations in Sentences   Relevancy-0.2634945081 %78 %
35Variations in Div Tags   Relevancy-0.262311916384 %78 %
36Entities in Title Tag   Relevancy-0.257374 %74 %
37Number of P Tags Used   Size-0.251913478 %13 %
38Number of Meta viewport Tags Used-0.252178 %12 %
39Number of Top 50 Shared Factors Used   Diversity-0.25211397 %80 %
40A Tags Word Count   Relevancy-0.25100028780 %12 %
41Variations in H1 and H2 Tags   Relevancy-0.25120574 %76 %
42Variations in Img Tag alt Attributes-0.25541054 %12 %
43Number of Img Tags Used-0.25832580 %13 %
44Variations in Search Result Link Text   Relevancy-0.2514286 %62 %
45Variations in A Tags   Relevancy-0.2529153077 %78 %
46Entities in H2 Tags-0.2534758 %77 %
47LSI Words in Sentences   Relevancy-0.24455179279 %80 %
48H2 Tags Word Count   Relevancy-0.24732568 %11 %
49Number of A Tags Used   Size-0.2440912481 %13 %
50Variations in LI Tags   Relevancy-0.2417372675 %78 %
51Variations in Search Result Display URL   Relevancy-0.2414286 %74 %
52Entities in H3 Tags-0.2438647 %77 %
53Number of Script Tags Used-0.24743182 %12 %
54Variations in the Title Tag   Relevancy-0.2316276 %66 %
55Number of Title Tags Used-0.237282 %12 %
56Term Frequency   Relevancy-0.236387 %78 %
57Number of Span Tags Used-0.233508479 %13 %
58LSI Words in Title Tag   Relevancy-0.2314678 %78 %
59Variations in H2 Tags   Relevancy-0.23105455 %75 %
60Entities in H1 Tags-0.239262 %70 %
61Number of H2 Tags Used   Size-0.2317669 %12 %
62Variations in Link Tag href Attributes-0.2322658 %12 %
63Clean Keyword Density in the HTML Tag   Relevancy-0.22199580 %69 %
64Number of H3 Tags Used   Size-0.2220762 %12 %
65Number of Referring Domains   Authority-0.2264647862 %78 %
66H3 Tags Word Count   Relevancy-0.222563161 %11 %
67Variations in Distinct A Tag HREF Attributes   Relevancy-0.2219603772 %77 %
68Number of Meta description Tags Used-0.222169 %11 %
69Variations in A Tag HREF Attributes   Relevancy-0.2226165572 %77 %
70Leading Variations in H1-H6 Tags   Relevancy-0.2231254 %73 %
71Number of Li Tags Used-0.223838876 %13 %
72Number of Ul Tags Used-0.22661775 %13 %
73Number of Backlinks   Authority-0.222554944722462 %78 %
74Unabridged Word Count   Size-0.2223885191290 %76 %
75Word Count   Size-0.2121743152990 %76 %
76Leading Variations in H1, H2, and H3 Tags   Relevancy-0.2125251 %73 %
77Variation Density in Top 30KB   Relevancy-0.21314373 %82 %
78Variations in Search Result URL Path   Relevancy-0.2114258 %82 %
79Variations in H1 Tags   Relevancy-0.2115266 %69 %
80Variations in Script Tags   Relevancy-0.21102988170 %77 %
81Number of Sentences   Size-0.21101111790 %75 %
82Number of Button Tags Used-0.2131758 %13 %
83Number of Iframe Tags Used-0.213143 %12 %
84Number of No Follow Backlinks   Authority-0.21624251114254 %77 %
85Variations in the Canonical URL   Relevancy-0.2162260 %84 %
86Number of Distinct Exact Matches Used   Diversity-0.211139 %11 %
87Variations in ALT Attributes   Relevancy-0.21129955 %74 %
88Clean Text Kilobytes   Size-0.212161386 %89 %
89Number of Link Tags Used-0.21522082 %12 %
90Variations in Span Tags   Relevancy-0.214741360 %75 %
91Variations in First 100 Words   Relevancy-0.21195975 %80 %
92Number of HTML Tags   Size-0.214244102091 %75 %
93Variations in H3 Tags   Relevancy-0.21172441 %75 %
94Entities in Meta Description Tag   Relevancy-0.28361 %70 %
95TITLE Tags Word Count   Relevancy-0.217882 %11 %
96Number of Do Follow Backlinks   Authority-0.21960824600253 %76 %
97Variations in Meta Description   Relevancy-0.238261 %69 %
98Exact Matches in the HTML Tag   Relevancy-0.25171137 %70 %
99Number of Meta Tags Used-0.2401180 %13 %
100Search Result Domain is .com, .net, or .org   Other-0.2113 %62 %
101LSI Words in H2 Tags   Relevancy-0.21292266 %78 %
102Number of P Tags   Size-0.22054085 %73 %
103Variations in Absolute URLs   Relevancy-0.237377373 %88 %
104Search Result Domain is .com   Other-0.2113 %71 %
105Number of Nav Tags Used-0.210365 %12 %
106Load Time Milliseconds   Performance-0.223611179091 %85 %
107Number of Includes   Technology-0.2572485 %66 %
108Number of Questions   Size-0.21361070 %87 %
109Number of H1 Tags Used   Size-0.25272 %12 %
110Variations in OpenGraph Title   Relevancy-0.212258 %64 %
111LSI Words in H1 Tags   Relevancy-0.1935569 %75 %
112Variations in OpenGraph Description   Relevancy-0.1934253 %67 %
113Variations in Search Result URL   Relevancy-0.1922265 %77 %
114Number of Heading Tags   Size-0.19762287 %74 %
115TF/IDF   Relevancy-0.191171 %71 %
116Variations in Search Result Document File Name   Relevancy-0.1911257 %76 %
117Variations in Nav Tags   Relevancy-0.1975762852 %72 %
118Number Of JSON-LD Types   Relevancy-0.196461461 %82 %
119Number of Style Tags Used-0.1920870 %12 %
120Has JSON-LD Schema Markup   Relevancy-0.191157 %74 %
121Variations in Main Tags   Relevancy-0.19133518338 %76 %
122LSI Words in H3 Tags   Relevancy-0.191012158 %78 %
123Title Tag Has Entities   Relevancy-0.191175 %68 %
124Number of Noscript Tags Used-0.1933657 %12 %
125Has Entities in H2 Tags   Relevancy-0.191160 %71 %
126Has Entities in H1 Tags   Relevancy-0.181165 %67 %
127Number of Links   Authority-0.1852014288 %74 %
128Number of Images   Size-0.182023087 %73 %
129Number of HTTPS Links   Authority-0.1851013988 %86 %
130H1 Tags Word Count   Relevancy-0.1811672 %11 %
131Number of Internal Links   Authority-0.1850912688 %86 %
132Number of DoFollow Links   Authority-0.1849913788 %86 %
133Variations in Section Tags   Relevancy-0.1822662642 %71 %
134Number of Images with ALT Text   Size-0.181272082 %86 %
135Leading Variations in Title Tag   Relevancy-0.181136 %61 %
136Number of Strong Tags Used-0.1889851 %12 %
137Number of Header Tags Used-0.185260 %12 %
138Exact Matches in H1-H6 Tags   Relevancy-0.1813124 %71 %
139Number of Questions In Headings   Size-0.1830238 %82 %
140Page Size Kilobytes   Size-0.18222323791 %84 %
141Has Entities in H3 Tags   Relevancy-0.171149 %70 %
142Number of Absolute URLs   Authority-0.17124824290 %85 %
143Variations making whole A Tags   Relevancy-0.1732235 %70 %
144Number of H2 Tags   Size-0.1725776 %73 %
145LSI Words in Meta Description Tag   Relevancy-0.17321162 %74 %
146Variation Count in Top 30KB   Relevancy-0.1757123277 %81 %
147Number of H3 Tags   Size-0.1733868 %74 %
148Number of Section Tags Used-0.1712445 %11 %
149Leading Variations in H1 Tags   Relevancy-0.172132 %75 %
150Leading Variations in H2 Tags   Relevancy-0.1711126 %81 %
151Exact Matches in Sentences   Relevancy-0.1757325 %73 %
152Number of Br Tags Used-0.1764957 %11 %
153Variations Making Whole Span Tags   Relevancy-0.176123 %69 %
154Number of Facebook Pages   Authority-0.178365 %76 %
155Variations in Strong Tags   Relevancy-0.17138332 %70 %
156Entities in H4 Tags-0.1722224 %74 %
157Variations Making Whole LI Tags   Relevancy-0.1714129 %67 %
158Variations in Footer Tags   Relevancy-0.173212939 %70 %
159Variations in the last 100 words   Relevancy-0.16195557 %78 %
160Number of Footer Tags Used-0.164159 %11 %
161Variations in TITLE Attributes   Relevancy-0.16153844 %73 %
162Uses Schema name   Other-0.161164 %67 %
163Number of JavaScript Includes   Technology-0.16491786 %68 %
164Headings Has Question   Other-0.161138 %78 %
165Number of CSS Includes   Technology-0.1621877 %69 %
166Uses Schema answer   Other-0.16119 %60 %
167Uses JSON-LD name   Other-0.161158 %68 %
168Uses Schema question   Other-0.16119 %61 %
169Exact Matches in Title Tag   Relevancy-0.162121 %66 %
170Meta Description Tag Has Entities   Relevancy-0.161161 %63 %
171Exact Matches in Top 30KB   Relevancy-0.1627223 %75 %
172Uses Schema faqpage   Other-0.16118 %64 %
173Inline JavaScript Kilobytes   Size-0.1619986688 %81 %
174Percentage of DoFollow Internal Links   Authority-0.16947687 %79 %
175Flesch Kincaid Reading Grade Level   Other-0.167395 %80 %
176Search Result Number of Dirs in Path   Other-0.164277 %72 %
177Number of Instagram Pages   Authority-0.1610243 %77 %
178Has FavIcon   Technology-0.151177 %75 %
179Number of External Links   Authority-0.15691784 %77 %
180Number of Prices   Size-0.1512365374 %78 %
181Uses JSON-LD Answer   Other-0.15118 %61 %
182Title Has Sales Words   Other-0.151115 %72 %
183Has Schema Markup   Relevancy-0.151169 %75 %
184Number of US Phone Numbers   Trust-0.154151248 %75 %
185Number of Twitter Accounts   Authority-0.155140 %75 %
186Uses JSON-LD Question   Other-0.15118 %63 %
187Number of Questions In H3 Tags   Size-0.1529117 %80 %
188Has Meta Charset   Technology-0.151181 %59 %
189Uses JSON-LD text   Other-0.15118 %64 %
190Leading Variations in H3 Tags   Relevancy-0.1519119 %82 %
191Uses Schema text   Other-0.151113 %65 %
192Number of Nofollow Links   Authority-0.1573531 %80 %
193Number of Input Tags Used-0.15861163 %11 %
194Uses Schema listitem   Other-0.151143 %62 %
195Variations making whole H1-H6 Tags   Relevancy-0.153118 %63 %
196Title Has Sentiment Words   Other-0.151123 %68 %
197Uses Schema aggregaterating   Other-0.151110 %57 %
198Variations in I Tags   Relevancy-0.15293631 %67 %
199Has Privacy Policy   Trust-0.151159 %78 %
200Number of DoFollow External Links   Authority-0.15531583 %75 %