Measures 126169 SEO Factors

124447 Built-In SEO Factors

116841 On-page SEO Factors

7606 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 ( 52610 )
Relevancy SEO Factors ( 51168 )
Other SEO Factors ( 21997 )
Local SEO Factors ( 7473 )
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 ( 52606 )
Keywords SEO Factors ( 39555 )
Schema SEO Factors ( 21943 )
LSI SEO Factors ( 8196 )
Local SEO Factors ( 7474 )
Entities SEO Factors ( 3395 )
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 2023-2     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-0.28149234491 %64 %
2Number of Distinct Entities Used   Diversity-0.26792477 %79 %
3Number of Top 100 Shared Factors Used   Diversity-0.26402998 %88 %
4Number of Top 200 Shared Factors Used   Diversity-0.26534098 %87 %
5Variations in Body Tags   Relevancy-0.26154221284 %85 %
6Variations in HTML Tags   Relevancy-0.25154221183 %86 %
7Number of Referring Domains   Authority-0.2559207363 %74 %
8Number of Unique Variations Used   Diversity-0.2534786 %75 %
9Variations in H1-H6 Tags   Relevancy-0.24144872 %82 %
10Variations in H1, H2, and H3 Tags   Relevancy-0.2493772 %82 %
11Number of Top 50 Shared Factors Used   Diversity-0.24171297 %84 %
12Variations in P Tags   Relevancy-0.2412493171 %84 %
13Number of Backlinks   Authority-0.242209336641763 %75 %
14Number of No Follow Backlinks   Authority-0.2321158176056 %72 %
15Variations in A Tags   Relevancy-0.2318422270 %83 %
16Variations in Div Tags   Relevancy-0.231464911280 %85 %
17Number of Factors Used   Diversity-0.2342619098 %85 %
18Variations in Sentences   Relevancy-0.2316553573 %83 %
19Variations in LI Tags   Relevancy-0.234651769 %83 %
20Variations in Search Result Display URL   Relevancy-0.2315279 %72 %
21Variations in H1 and H2 Tags   Relevancy-0.2350469 %82 %
22Number of Do Follow Backlinks   Authority-0.222082434560854 %75 %
23Variations in Search Result Link Text   Relevancy-0.2215279 %68 %
24Term Frequency   Relevancy-0.226383 %84 %
25Clean Keyword Density in the HTML Tag   Relevancy-0.21196473 %73 %
26Entities in the HTML Tag   Relevancy-0.21133910468 %87 %
27Entities in Sentences   Relevancy-0.215929767 %87 %
28Variations in H2 Tags   Relevancy-0.2139346 %81 %
29Unabridged Word Count   Size-0.228791203092 %81 %
30Clean Text Kilobytes   Size-0.21631388 %84 %
31Word Count   Size-0.214792146292 %80 %
32Variations in the Title Tag   Relevancy-0.26270 %71 %
33Entities in H2 Tags-0.242548 %78 %
34Variations in Script Tags   Relevancy-0.2102545764 %83 %
35Variations in ALT Attributes   Relevancy-0.2169949 %80 %
36Entities in Title Tag   Relevancy-0.28263 %73 %
37Leading Variations in H1-H6 Tags   Relevancy-0.217247 %79 %
38LSI Words in Sentences   Relevancy-0.2776469971 %87 %
39Number of HTML Tags   Size-0.1911043103692 %81 %
40Leading Variations in H1, H2, and H3 Tags   Relevancy-0.1911244 %78 %
41Variations in Distinct A Tag HREF Attributes   Relevancy-0.196752463 %82 %
42Load Time Milliseconds   Performance-0.1933265172692 %79 %
43Variation Density in Top 30KB   Relevancy-0.19291365 %78 %
44Exact Matches in the HTML Tag   Relevancy-0.193772446 %80 %
45Number of P Tags   Size-0.195973886 %81 %
46Number of Includes   Technology-0.19442285 %67 %
47Variations in A Tag HREF Attributes   Relevancy-0.199963763 %83 %
48Number of Sentences   Size-0.1954210691 %80 %
49Has JSON-LD Schema Markup   Relevancy-0.191153 %69 %
50Variations in Search Result URL Path   Relevancy-0.195251 %76 %
51Variations in Span Tags   Relevancy-0.19371953 %81 %
52Variations in First 100 Words   Relevancy-0.18195765 %76 %
53Entities in H3 Tags-0.1832539 %78 %
54Variations in Nav Tags   Relevancy-0.1818831743 %77 %
55Variations in H1 Tags   Relevancy-0.1812160 %71 %
56Variations in H3 Tags   Relevancy-0.1844333 %80 %
57Variations in Main Tags   Relevancy-0.1880556635 %80 %
58Variations in Absolute URLs   Relevancy-0.1828626165 %85 %
59Number of Heading Tags   Size-0.18502187 %81 %
60Number of Questions   Size-0.18146969 %82 %
61Variations in the Canonical URL   Relevancy-0.1834253 %78 %
62Search Result Domain is .com, .net, or .org   Other-0.18113 %57 %
63Number of Images   Size-0.182953287 %79 %
64Variations in Meta Description   Relevancy-0.1832254 %75 %
65Number of Internal Links   Authority-0.1851313889 %80 %
66Number of HTTPS Links   Authority-0.1852015289 %80 %
67Variations in OpenGraph Title   Relevancy-0.187154 %65 %
68Page Size Kilobytes   Size-0.1893122592 %81 %
69Number of Links   Authority-0.1752715589 %77 %
70Number of Images with ALT Text   Size-0.171262182 %83 %
71Number of DoFollow Links   Authority-0.1751715089 %79 %
72Exact Matches in H1-H6 Tags   Relevancy-0.1711233 %79 %
73Variations in OpenGraph Description   Relevancy-0.1716247 %71 %
74Number of Absolute URLs   Authority-0.1771524291 %81 %
75TF/IDF   Relevancy-0.171160 %76 %
76Number of Facebook Pages   Authority-0.176264 %71 %
77Number Of JSON-LD Types   Relevancy-0.171271158 %78 %
78Search Result Domain is .com   Other-0.17113 %59 %
79Number of H2 Tags   Size-0.1733775 %80 %
80Number of CSS Includes   Technology-0.1727876 %64 %
81Number of Questions In Headings   Size-0.178236 %76 %
82Variations in Search Result URL   Relevancy-0.1611257 %73 %
83Variation Count in Top 30KB   Relevancy-0.161062471 %74 %
84Variations in Search Result Document File Name   Relevancy-0.164252 %68 %
85Leading Variations in H1 Tags   Relevancy-0.162130 %71 %
86Number of Instagram Pages   Authority-0.1616242 %74 %
87LSI Words in Title Tag   Relevancy-0.1617569 %82 %
88Exact Matches in Sentences   Relevancy-0.16107433 %81 %
89Variations in TITLE Attributes   Relevancy-0.16176740 %78 %
90Number of H3 Tags   Size-0.1634866 %77 %
91Entities in H1 Tags-0.167252 %69 %
92LSI Words in H2 Tags   Relevancy-0.16941856 %85 %
93Leading Variations in Title Tag   Relevancy-0.161133 %71 %
94Has FavIcon   Technology-0.161178 %70 %
95Uses Schema name   Other-0.161163 %64 %
96Variations in Footer Tags   Relevancy-0.162353730 %74 %
97Variations Making Whole Span Tags   Relevancy-0.1510119 %76 %
98Leading Variations in H2 Tags   Relevancy-0.155121 %79 %
99Percentage of DoFollow Internal Links   Authority-0.15947788 %73 %
100Exact Matches in A Tags   Relevancy-0.1577328 %78 %
101Exact Matches in Top 30KB   Relevancy-0.1538329 %69 %
102Has Schema Markup   Relevancy-0.151169 %70 %
103Inline JavaScript Kilobytes   Size-0.154306388 %76 %
104Variations in Section Tags   Relevancy-0.154711535 %78 %
105Has Privacy Policy   Trust-0.151157 %68 %
106Headings Has Question   Other-0.151135 %71 %
107Number of Nofollow Links   Authority-0.1560634 %75 %
108Number of Twitter Accounts   Authority-0.153139 %71 %
109Variations making whole A Tags   Relevancy-0.1518128 %74 %
110Variations Making Whole LI Tags   Relevancy-0.155122 %73 %
111Variations in Article Tags   Relevancy-0.151601829 %70 %
112Exact Matches in Title Tag   Relevancy-0.152128 %74 %
113Uses Schema url   Other-0.151157 %59 %
114Has Entities in H2 Tags   Relevancy-0.151149 %72 %
115Search Result Number of Dirs in Path   Other-0.154280 %66 %
116Entities in Meta Description Tag   Relevancy-0.1530350 %72 %
117Uses Schema question   Other-0.15117 %60 %
118Number of Questions In H2 Tags   Size-0.155122 %74 %
119Flesch Kincaid Reading Grade Level   Other-0.157393 %71 %
120Uses Schema answer   Other-0.14117 %60 %
121LSI Words in H3 Tags   Relevancy-0.141011849 %84 %
122Number of External Links   Authority-0.141181885 %70 %
123Uses JSON-LD name   Other-0.141144 %68 %
124Variations in Strong Tags   Relevancy-0.1433227 %76 %
125Uses Schema faqpage   Other-0.14117 %60 %
126Uses Schema listitem   Other-0.141142 %63 %
127Number of Social Pages   Authority-0.1430569 %70 %
128Exact Matches in H2 Tags   Relevancy-0.146117 %78 %
129Uses Schema breadcrumblist   Other-0.141142 %64 %
130Number of NoFollow External Links   Authority-0.1429322 %77 %
131Number of Questions In H3 Tags   Size-0.145116 %71 %
132Number of JavaScript Includes   Technology-0.14331688 %67 %
133Inline CSS Kilobytes   Size-0.141314865 %73 %
134Number of HTML Comments   Size-0.143913678 %72 %
135Uses JSON-LD Question   Other-0.14116 %58 %
136Uses JSON-LD ListItem   Other-0.141136 %62 %
137Uses JSON-LD Answer   Other-0.14116 %58 %
138Title Tag Has Entities   Relevancy-0.141164 %67 %
139Uses Schema description   Other-0.141148 %54 %
140Uses JSON-LD FAQPage   Other-0.14116 %58 %
141Uses JSON-LD text   Other-0.14117 %60 %
142Uses JSON-LD url   Other-0.141145 %62 %
143Uses JSON-LD BreadcrumbList   Other-0.141135 %62 %
144Number of Social Accounts   Authority-0.146252 %72 %
145Variations in the last 100 words   Relevancy-0.14193343 %72 %
146Number of Prices   Size-0.1416145572 %75 %
147Has Entities in H1 Tags   Relevancy-0.141154 %67 %
148Has Meta Charset   Technology-0.141181 %63 %
149Percentage of NoFollow Links   Authority-0.1424432 %70 %
150Number of DoFollow External Links   Authority-0.141171583 %67 %
151Number of Facebook Accounts   Authority-0.143132 %70 %
152Leading Variations in H3 Tags   Relevancy-0.135114 %75 %
153Variations making whole H1-H6 Tags   Relevancy-0.132116 %72 %
154LSI Words in H1 Tags   Relevancy-0.1320560 %79 %
155Has Canonical URL   Authority-0.131176 %68 %
156Has Terms of Service   Trust-0.131135 %64 %
157Exact Matches in H1 Tags   Relevancy-0.132123 %72 %
158Variations in I Tags   Relevancy-0.13125528 %72 %
159Has Meta Twitter Card   Authority-0.131148 %58 %
160Uses Schema person   Other-0.131125 %51 %
161Uses Schema text   Other-0.131111 %61 %
162Variations making whole H1, H2, and H3 Tags   Relevancy-0.132114 %70 %
163Number of Images without ALT Text   Size-0.132221167 %75 %
164Variations in H4-H6 Tags   Relevancy-0.1351218 %72 %
165Uses Schema datepublished   Other-0.131140 %53 %
166Uses JSON-LD datePublished   Other-0.131136 %54 %
167Uses Schema imageobject   Other-0.131138 %53 %
168Uses Schema headline   Other-0.131123 %51 %
169Number of Forms   Technology-0.1322368 %66 %
170Entities in H4 Tags-0.1322219 %73 %
171Has Entities in H3 Tags   Relevancy-0.131140 %71 %
172Has Contact Page   Trust-0.131161 %58 %
173Uses JSON-LD description   Other-0.131140 %56 %
174Is Purchase Page   Other-0.131147 %65 %
175Percentage of NoFollow External Links   Authority-0.139221 %72 %
176Is OpenGraph Type Article   Technology-0.131136 %53 %
177Uses JSON-LD inLanguage   Other-0.131129 %50 %
178Number Of Claimed Brands   Other-0.1313221 %68 %
179Is Article Page   Other-0.131149 %57 %
180Uses JSON-LD headline   Other-0.131119 %52 %
181Variations in Figure Tags   Relevancy-0.136021013 %71 %
182Number of HREF Lang Tags   Size-0.1352211 %74 %
183Number of H4 Tags   Size-0.1320442 %72 %
184Uses Schema datemodified   Other-0.131137 %52 %
185Uses Schema inlanguage   Other-0.131130 %48 %
186Search Result Uses HTTPS   Other-0.131190 %71 %
187Has Apple Touch Icon   Technology-0.131149 %65 %
188Uses Schema organization   Other-0.131136 %58 %
189Title Word Count   Size-0.1316989 %58 %
190Uses Schema website   Other-0.131133 %51 %
191Number of LinkedIn Pages   Authority-0.133122 %69 %
192LSI Words in Meta Description Tag   Relevancy-0.13731053 %80 %
193Has OpenGraph Image   Relevancy-0.131156 %58 %
194Variations in H4 Tags   Relevancy-0.129114 %71 %
195Variations in ID Attributes   Relevancy-0.12302211 %76 %
196Uses JSON-LD Person   Other-0.121121 %54 %
197Meta Description Length   Size-0.1269012268 %66 %
198Uses Schema item   Other-0.121126 %59 %
199Uses Schema webpage   Other-0.121136 %53 %
200Title Has Sentiment Words   Other-0.121120 %61 %