Measures 132725 SEO Factors

131003 Built-In SEO Factors

122837 On-page SEO Factors

8166 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 ( 23840 )
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 ( 23786 )
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 2023-11     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-0.3834783 %12 %
2Number of Distinct Yake Words Used   Diversity-0.373465084 %12 %
3Number of Distinct Entities Used   Diversity-0.31822785 %84 %
4Number of Unique LSI Words Used   Diversity-0.31142730191 %73 %
5Number of Unique Variations Used   Diversity-0.29461088 %81 %
6Entities in the HTML Tag   Relevancy-0.2869413080 %86 %
7Entities in Sentences   Relevancy-0.2869312579 %86 %
8Variations in Body Tags   Relevancy-0.2710265336987 %84 %
9Variations in HTML Tags   Relevancy-0.2710265336987 %84 %
10Number of Top 100 Shared Factors Used   Diversity-0.27402998 %93 %
11Number of Factors Used   Diversity-0.2746520798 %92 %
12Number of Top 200 Shared Factors Used   Diversity-0.26533898 %93 %
13Entities in Title Tag   Relevancy-0.269373 %81 %
14Variations in H1-H6 Tags   Relevancy-0.26230978 %82 %
15Variations in H1, H2, and H3 Tags   Relevancy-0.26202877 %82 %
16Variations in Div Tags   Relevancy-0.264296518585 %83 %
17Variations in Search Result Link Text   Relevancy-0.264285 %68 %
18Variations in Sentences   Relevancy-0.2628084982 %83 %
19Variations in P Tags   Relevancy-0.2545434478 %83 %
20Variations in H1 and H2 Tags   Relevancy-0.25141574 %81 %
21Variations in Search Result Display URL   Relevancy-0.2541286 %77 %
22Variations in A Tags   Relevancy-0.2550263377 %83 %
23Number of Top 50 Shared Factors Used   Diversity-0.25191397 %86 %
24Entities in H2 Tags-0.2435656 %82 %
25Variations in the Title Tag   Relevancy-0.245277 %72 %
26Variations in LI Tags   Relevancy-0.2428042775 %82 %
27Variations in First 100 Words   Relevancy-0.247261278 %83 %
28Term Frequency   Relevancy-0.246387 %82 %
29LSI Words in Sentences   Relevancy-0.23461375476 %85 %
30Clean Keyword Density in the HTML Tag   Relevancy-0.23190580 %74 %
31Number of Referring Domains   Authority-0.2369387259 %79 %
32Variations in H2 Tags   Relevancy-0.23125453 %80 %
33Variation Density in Top 30KB   Relevancy-0.231198974 %85 %
34Variations in Search Result URL Path   Relevancy-0.2341258 %81 %
35Entities in H1 Tags-0.2315260 %76 %
36Variations in Distinct A Tag HREF Attributes   Relevancy-0.2333024074 %81 %
37Entities in H3 Tags-0.2239645 %82 %
38Variations in A Tag HREF Attributes   Relevancy-0.2244565974 %82 %
39Number of Backlinks   Authority-0.22746867514459 %79 %
40LSI Words in Title Tag   Relevancy-0.2216675 %83 %
41Leading Variations in H1-H6 Tags   Relevancy-0.2222253 %79 %
42Number of Includes   Technology-0.22572485 %70 %
43Clean Text Kilobytes   Size-0.22971386 %90 %
44Unabridged Word Count   Size-0.2218105196791 %80 %
45Variations in the Canonical URL   Relevancy-0.22362361 %85 %
46Leading Variations in H1, H2, and H3 Tags   Relevancy-0.2216249 %78 %
47Word Count   Size-0.228205153991 %80 %
48Variations in H1 Tags   Relevancy-0.2116265 %74 %
49Number of Do Follow Backlinks   Authority-0.21696250456851 %77 %
50Variations in ALT Attributes   Relevancy-0.21414954 %79 %
51Number of No Follow Backlinks   Authority-0.2111518762350 %78 %
52Exact Matches in the HTML Tag   Relevancy-0.2111631035 %74 %
53Number of HTML Tags   Size-0.214094102992 %80 %
54Variations in Search Result Document File Name   Relevancy-0.2130258 %77 %
55Variations in Search Result URL   Relevancy-0.2178266 %76 %
56Variations in Span Tags   Relevancy-0.217811360 %80 %
57Variations in Absolute URLs   Relevancy-0.214414017175 %90 %
58Variations in Meta Description   Relevancy-0.2143260 %75 %
59Variations in Script Tags   Relevancy-0.23760710271 %80 %
60Has JSON-LD Schema Markup   Relevancy-0.21155 %80 %
61Number of Sentences   Size-0.278212091 %80 %
62Entities in Meta Description Tag   Relevancy-0.217359 %77 %
63Variations in OpenGraph Title   Relevancy-0.212259 %70 %
64Number of P Tags   Size-0.22074085 %78 %
65Number of Questions   Size-0.22451069 %89 %
66TF/IDF   Relevancy-0.191172 %76 %
67Variations in H3 Tags   Relevancy-0.1966340 %78 %
68LSI Words in H2 Tags   Relevancy-0.192362062 %83 %
69Variations in Nav Tags   Relevancy-0.19116323553 %78 %
70Search Result Domain is .com, .net, or .org   Other-0.19113 %64 %
71Load Time Milliseconds   Performance-0.1924259168992 %89 %
72Number Of JSON-LD Types   Relevancy-0.19871360 %85 %
73Number of Facebook Pages   Authority-0.1912265 %81 %
74Variations in OpenGraph Description   Relevancy-0.1940253 %73 %
75Number of Heading Tags   Size-0.191772287 %78 %
76Number of Links   Authority-0.1970914589 %78 %
77Has Entities in H1 Tags   Relevancy-0.191163 %75 %
78Number of HTTPS Links   Authority-0.1970614089 %88 %
79Number of Internal Links   Authority-0.1969612789 %88 %
80Number of Images with ALT Text   Size-0.197932182 %88 %
81Title Tag Has Entities   Relevancy-0.191175 %75 %
82Number of DoFollow Links   Authority-0.1970913989 %87 %
83Exact Matches in H1-H6 Tags   Relevancy-0.1913122 %77 %
84Variation Count in Top 30KB   Relevancy-0.192103510577 %83 %
85Leading Variations in Title Tag   Relevancy-0.191136 %69 %
86Number of Images   Size-0.198053187 %78 %
87Number of Questions In Headings   Size-0.1914236 %85 %
88Variations in Main Tags   Relevancy-0.18140028638 %79 %
89LSI Words in H1 Tags   Relevancy-0.1838566 %81 %
90Search Result Domain is .com   Other-0.18113 %70 %
91Has Entities in H2 Tags   Relevancy-0.181157 %75 %
92Variations in the last 100 words   Relevancy-0.18718760 %81 %
93Number of CSS Includes   Technology-0.1822877 %73 %
94Number of Absolute URLs   Authority-0.18127725191 %88 %
95Uses Schema name   Other-0.181163 %74 %
96Leading Variations in H1 Tags   Relevancy-0.185132 %80 %
97Number of Instagram Pages   Authority-0.1811245 %81 %
98Variations in Footer Tags   Relevancy-0.1858381541 %76 %
99Leading Variations in H2 Tags   Relevancy-0.1810125 %85 %
100Exact Matches in Sentences   Relevancy-0.1745323 %78 %
101Number of H2 Tags   Size-0.1781776 %77 %
102Variations in TITLE Attributes   Relevancy-0.17492944 %77 %
103LSI Words in H3 Tags   Relevancy-0.174611954 %81 %
104Has Schema Markup   Relevancy-0.171167 %78 %
105Variations in Section Tags   Relevancy-0.176522542 %76 %
106Page Size Kilobytes   Size-0.1777724492 %86 %
107LSI Words in Meta Description Tag   Relevancy-0.17381159 %80 %
108Exact Matches in Title Tag   Relevancy-0.172120 %73 %
109Number of H3 Tags   Size-0.1783867 %76 %
110Has FavIcon   Technology-0.171177 %78 %
111Has Entities in H3 Tags   Relevancy-0.171147 %76 %
112Uses JSON-LD name   Other-0.171156 %75 %
113Number of JavaScript Includes   Technology-0.17421788 %69 %
114Has Meta Charset   Technology-0.171180 %65 %
115Headings Has Question   Other-0.171137 %80 %
116Exact Matches in Top 30KB   Relevancy-0.1724221 %80 %
117Variations making whole A Tags   Relevancy-0.1792235 %74 %
118Entities in H4 Tags-0.1675224 %78 %
119Number of Twitter Accounts   Authority-0.168139 %79 %
120Variations Making Whole Span Tags   Relevancy-0.1694123 %74 %
121Variations Making Whole LI Tags   Relevancy-0.167129 %71 %
122Uses Schema url   Other-0.161157 %71 %
123Meta Description Tag Has Entities   Relevancy-0.161160 %70 %
124Search Result Number of Dirs in Path   Other-0.164279 %72 %
125Has Privacy Policy   Trust-0.161159 %78 %
126Number of US Phone Numbers   Trust-0.165981346 %79 %
127Uses Schema listitem   Other-0.161141 %68 %
128Number of Social Pages   Authority-0.1614570 %81 %
129Percentage of DoFollow Internal Links   Authority-0.16957788 %82 %
130Number of Questions In H2 Tags   Size-0.157123 %83 %
131Has US Phone Number   Trust-0.151146 %66 %
132Uses JSON-LD url   Other-0.151148 %73 %
133Variations in Strong Tags   Relevancy-0.1542331 %72 %
134Number of Questions In H3 Tags   Size-0.156116 %82 %
135Uses Schema breadcrumblist   Other-0.151141 %71 %
136Exact Matches in H1 Tags   Relevancy-0.154115 %74 %
137Variations in ID Attributes   Relevancy-0.15718216 %75 %
138Uses Schema description   Other-0.151149 %67 %
139Variations in Class Attributes   Relevancy-0.1592721828 %73 %
140Inline JavaScript Kilobytes   Size-0.155346889 %81 %
141Number of Social Accounts   Authority-0.1510255 %80 %
142Leading Variations in H3 Tags   Relevancy-0.159118 %82 %
143Number of Facebook Accounts   Authority-0.156136 %78 %
144Uses Schema aggregaterating   Other-0.151110 %59 %
145Number of External Links   Authority-0.154551786 %80 %
146Number of LinkedIn Pages   Authority-0.154126 %77 %
147Has Contact Page   Trust-0.151167 %69 %
148Variations in Button Tags   Relevancy-0.15259149 %73 %
149Uses Schema answer   Other-0.15118 %62 %
150Uses Schema addressregion   Other-0.151116 %54 %
151Uses Schema faqpage   Other-0.15117 %62 %
152Uses JSON-LD ListItem-0.151137 %68 %
153Variations making whole H1-H6 Tags   Relevancy-0.153118 %67 %
154Variations in I Tags   Relevancy-0.15190631 %71 %
155Uses Schema question   Other-0.15118 %63 %
156Uses Schema addresslocality   Other-0.151117 %56 %
157Uses JSON-LD description   Other-0.151144 %68 %
158Uses Schema postaladdress   Other-0.141118 %59 %
159Word Count in Meta Description   Size-0.14832070 %67 %
160Flesch Kincaid Reading Grade Level   Other-0.147395 %81 %
161Uses JSON-LD FAQPage   Other-0.14116 %65 %
162Variations in H4-H6 Tags   Relevancy-0.1459224 %73 %
163Number of Nofollow Links   Authority-0.1464530 %82 %
164Number of HTML Comments   Size-0.142613678 %70 %
165Number of DoFollow External Links   Authority-0.144511584 %79 %
166Uses JSON-LD BreadcrumbList   Other-0.141136 %72 %
167Exact Matches in A Tags   Relevancy-0.1453216 %78 %
168Variations making whole H1, H2, and H3 Tags   Relevancy-0.143116 %67 %
169Variations in Style Tags   Relevancy-0.14140722218 %74 %
170Uses JSON-LD Question   Other-0.14117 %62 %
171Uses Schema streetaddress   Other-0.141116 %56 %
172Meta Description Length   Size-0.1499012570 %77 %
173Number of H4 Tags   Size-0.14110443 %70 %
174Number of Prices   Size-0.149445572 %80 %
175Uses Schema postalcode   Other-0.141116 %55 %
176Uses Schema quantitativevalue   Other-0.14112 %14 %
177Uses Schema text   Other-0.141112 %67 %
178Uses Schema image   Other-0.141122 %64 %
179Uses JSON-LD Answer   Other-0.14117 %60 %
180Variations in Article Tags   Relevancy-0.145782030 %69 %
181Uses JSON-LD addressRegion   Other-0.141114 %57 %
182Title Has Sentiment Words   Other-0.141122 %68 %
183Variations in H4 Tags   Relevancy-0.1458219 %72 %
184Has Canonical URL   Authority-0.141177 %76 %
185Uses JSON-LD addressLocality   Other-0.141115 %58 %
186Exact Matches in H2 Tags   Relevancy-0.147112 %77 %
187Uses JSON-LD text   Other-0.14117 %62 %
188Inline CSS Kilobytes   Size-0.141535867 %82 %
189Title Has Sales Words   Other-0.141112 %68 %
190Uses Schema ratingvalue   Other-0.14119 %57 %
191Uses JSON-LD PostalAddress   Other-0.141115 %64 %
192Has Entities in H4 Tags   Relevancy-0.141125 %69 %
193Average Words Per Sentence   Size-0.142173788 %73 %
194Uses Schema currenciesaccepted   Other-0.13113 %17 %
195Uses JSON-LD AggregateRating   Other-0.13117 %62 %
196Has Terms of Service   Trust-0.131139 %73 %
197Uses JSON-LD streetAddress   Other-0.131114 %59 %
198Number of NoFollow External Links   Authority-0.1331321 %80 %
199Uses Schema organization   Other-0.131136 %68 %
200Has Meta Robots   Other-0.131129 %63 %