Measures 127436 SEO Factors

125714 Built-In SEO Factors

118089 On-page SEO Factors

7625 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 ( 52892 )
Relevancy SEO Factors ( 51612 )
Other SEO Factors ( 22236 )
Local SEO Factors ( 7492 )
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 ( 52888 )
Keywords SEO Factors ( 39901 )
Schema SEO Factors ( 22182 )
LSI SEO Factors ( 8263 )
Local SEO Factors ( 7493 )
Entities SEO Factors ( 3426 )
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 2023-7     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 Entities Used   Diversity-0.28722885 %79 %
2Number of Unique LSI Words Used   Diversity-0.28148830291 %60 %
3Number of Unique Variations Used   Diversity-0.2647989 %75 %
4Number of Top 100 Shared Factors Used   Diversity-0.26403098 %88 %
5Number of Top 200 Shared Factors Used   Diversity-0.25524198 %88 %
6Variations in HTML Tags   Relevancy-0.255314030888 %82 %
7Variations in Body Tags   Relevancy-0.255314030888 %82 %
8Number of Top 50 Shared Factors Used   Diversity-0.24191396 %82 %
9Variations in H1-H6 Tags   Relevancy-0.24572979 %81 %
10Entities in the HTML Tag   Relevancy-0.24269312678 %85 %
11Variations in H1, H2, and H3 Tags   Relevancy-0.24531878 %81 %
12Number of Factors Used   Diversity-0.2455620098 %86 %
13Entities in Sentences   Relevancy-0.24269012377 %85 %
14Variations in Sentences   Relevancy-0.2427364882 %81 %
15Variations in P Tags   Relevancy-0.2418064079 %81 %
16Variations in Div Tags   Relevancy-0.232117515186 %81 %
17Variations in H1 and H2 Tags   Relevancy-0.23108576 %80 %
18Variations in Search Result Display URL   Relevancy-0.2215285 %76 %
19Variations in A Tags   Relevancy-0.2232722977 %81 %
20Variations in Search Result Link Text   Relevancy-0.2214285 %69 %
21Number of Referring Domains   Authority-0.2271087860 %72 %
22Variations in LI Tags   Relevancy-0.2213142376 %81 %
23Entities in Title Tag   Relevancy-0.227374 %75 %
24Entities in H2 Tags-0.2240755 %78 %
25Number of Backlinks   Authority-0.21274117470560 %73 %
26Clean Keyword Density in the HTML Tag   Relevancy-0.21183581 %73 %
27Variations in the Title Tag   Relevancy-0.2117278 %70 %
28Number of Includes   Technology-0.211342485 %66 %
29Number of No Follow Backlinks   Authority-0.214888854051 %70 %
30Term Frequency   Relevancy-0.216388 %79 %
31Variations in Search Result URL Path   Relevancy-0.219259 %78 %
32Variations in H2 Tags   Relevancy-0.2195453 %80 %
33Leading Variations in H1-H6 Tags   Relevancy-0.242254 %77 %
34Number of Do Follow Backlinks   Authority-0.2269519419452 %71 %
35Variation Density in Top 30KB   Relevancy-0.2281473 %81 %
36Has JSON-LD Schema Markup   Relevancy-0.21154 %69 %
37Leading Variations in H1, H2, and H3 Tags   Relevancy-0.237252 %76 %
38Variations in Distinct A Tag HREF Attributes   Relevancy-0.213693472 %79 %
39Entities in H3 Tags-0.231645 %78 %
40Variations in the Canonical URL   Relevancy-0.247260 %80 %
41Variations in A Tag HREF Attributes   Relevancy-0.219525172 %79 %
42Variations in Script Tags   Relevancy-0.2116797970 %78 %
43Number of CSS Includes   Technology-0.220877 %67 %
44Variations in H1 Tags   Relevancy-0.214267 %71 %
45Variations in First 100 Words   Relevancy-0.19183976 %79 %
46Number of Facebook Pages   Authority-0.199363 %73 %
47Word Count   Size-0.198955149891 %78 %
48Unabridged Word Count   Size-0.1949256205291 %79 %
49Exact Matches in the HTML Tag   Relevancy-0.193011640 %70 %
50Clean Text Kilobytes   Size-0.192431388 %86 %
51LSI Words in Sentences   Relevancy-0.19474666069 %84 %
52Variations in ALT Attributes   Relevancy-0.19757954 %77 %
53Number of Sentences   Size-0.1962411390 %78 %
54Variations in Span Tags   Relevancy-0.194881159 %77 %
55Load Time Milliseconds   Performance-0.1926415170492 %80 %
56Entities in H1 Tags-0.1814261 %71 %
57Number of HTML Tags   Size-0.186336103991 %76 %
58Variations in Search Result URL   Relevancy-0.1817266 %73 %
59Variations in H3 Tags   Relevancy-0.18430439 %77 %
60Search Result Domain is .com, .net, or .org   Other-0.18113 %57 %
61Variations in Meta Description   Relevancy-0.1829260 %73 %
62Variations in Absolute URLs   Relevancy-0.1888878574 %84 %
63Variations in Main Tags   Relevancy-0.1873277438 %77 %
64Variations in Search Result Document File Name   Relevancy-0.187258 %72 %
65Number of Questions   Size-0.181021070 %82 %
66Number of P Tags   Size-0.184633986 %77 %
67Variations in OpenGraph Title   Relevancy-0.1718259 %68 %
68Leading Variations in Title Tag   Relevancy-0.171138 %67 %
69Leading Variations in H1 Tags   Relevancy-0.172134 %74 %
70Search Result Domain is .com   Other-0.17113 %59 %
71TF/IDF   Relevancy-0.171170 %71 %
72Variations in Nav Tags   Relevancy-0.1740262651 %76 %
73Number of Internal Links   Authority-0.1779613689 %82 %
74Number of HTTPS Links   Authority-0.17102815089 %82 %
75Variation Count in Top 30KB   Relevancy-0.1752894178 %77 %
76Variations in OpenGraph Description   Relevancy-0.1736253 %70 %
77Number of Links   Authority-0.17113615389 %75 %
78Number of Heading Tags   Size-0.17632188 %77 %
79Number of Instagram Pages   Authority-0.1717241 %76 %
80Number of DoFollow Links   Authority-0.1780914889 %81 %
81Number of Twitter Accounts   Authority-0.164137 %72 %
82Number of Images   Size-0.168943187 %74 %
83Page Size Kilobytes   Size-0.1678523392 %78 %
84Number of Images with ALT Text   Size-0.168422182 %81 %
85LSI Words in Title Tag   Relevancy-0.1617568 %81 %
86Number Of JSON-LD Types   Relevancy-0.161771260 %80 %
87Entities in Meta Description Tag   Relevancy-0.169359 %72 %
88Number of H2 Tags   Size-0.1617777 %76 %
89Exact Matches in H1-H6 Tags   Relevancy-0.1613227 %74 %
90Number of Absolute URLs   Authority-0.16213924691 %80 %
91Leading Variations in H2 Tags   Relevancy-0.168126 %80 %
92Variations making whole A Tags   Relevancy-0.1648234 %72 %
93Has Entities in H2 Tags   Relevancy-0.161157 %72 %
94Variations in Section Tags   Relevancy-0.1610222240 %76 %
95Variations Making Whole LI Tags   Relevancy-0.167128 %69 %
96Number of Questions In Headings   Size-0.1612238 %79 %
97Number of H3 Tags   Size-0.1541868 %73 %
98Variations in TITLE Attributes   Relevancy-0.15446744 %74 %
99Title Tag Has Entities   Relevancy-0.151174 %68 %
100Exact Matches in Sentences   Relevancy-0.15144428 %77 %
101Uses Schema name   Other-0.151164 %65 %
102Has Entities in H1 Tags   Relevancy-0.151163 %68 %
103LSI Words in H2 Tags   Relevancy-0.151251857 %82 %
104Number of Facebook Accounts   Authority-0.155132 %72 %
105Variations Making Whole Span Tags   Relevancy-0.1594123 %73 %
106Search Result Number of Dirs in Path   Other-0.154279 %68 %
107Variations in the last 100 words   Relevancy-0.15184555 %75 %
108Variations in Footer Tags   Relevancy-0.1514431036 %74 %
109Entities in H4 Tags-0.1513223 %74 %
110Uses JSON-LD name   Other-0.151156 %65 %
111Exact Matches in Top 30KB   Relevancy-0.1529325 %72 %
112Has FavIcon   Technology-0.151178 %70 %
113Inline JavaScript Kilobytes   Size-0.152986588 %74 %
114Percentage of DoFollow Internal Links   Authority-0.15947888 %76 %
115Title Has Sales Words   Other-0.151114 %65 %
116Has Schema Markup   Relevancy-0.151169 %72 %
117Number of LinkedIn Pages   Authority-0.153125 %72 %
118Variations in Strong Tags   Relevancy-0.1456332 %73 %
119Number of External Links   Authority-0.143401885 %69 %
120Variations making whole H1, H2, and H3 Tags   Relevancy-0.142117 %65 %
121Variations in Article Tags   Relevancy-0.141531930 %67 %
122Has Meta Charset   Technology-0.141180 %60 %
123Variations making whole H1-H6 Tags   Relevancy-0.142119 %68 %
124Exact Matches in Title Tag   Relevancy-0.142123 %71 %
125Number of JavaScript Includes   Technology-0.141331788 %68 %
126Has Privacy Policy   Trust-0.141161 %73 %
127Leading Variations in H3 Tags   Relevancy-0.1429118 %77 %
128Has Entities in H3 Tags   Relevancy-0.141147 %69 %
129Flesch Kincaid Reading Grade Level   Other-0.147395 %75 %
130Title Has Sentiment Words   Other-0.141122 %63 %
131Headings Has Question   Other-0.141137 %74 %
132Number of Questions In H2 Tags   Size-0.145123 %77 %
133Uses Schema listitem   Other-0.141143 %61 %
134Number of US Phone Numbers   Trust-0.143061142 %72 %
135Number of Social Pages   Authority-0.1428470 %74 %
136Variations in Search Result Summary   Relevancy-0.1453389 %63 %
137Variations in H4-H6 Tags   Relevancy-0.1442222 %71 %
138Uses Schema breadcrumblist   Other-0.141142 %63 %
139Uses Schema answer   Other-0.14117 %57 %
140Uses Schema question   Other-0.14117 %59 %
141Number of DoFollow External Links   Authority-0.142991584 %68 %
142Uses Schema url   Other-0.141157 %60 %
143Number of Nofollow Links   Authority-0.14328632 %76 %
144Variations in I Tags   Relevancy-0.13634631 %70 %
145Variations in Button Tags   Relevancy-0.1375037 %72 %
146Has US Phone Number   Trust-0.131141 %58 %
147Number of HTML Comments   Size-0.1323803978 %68 %
148Number of Prices   Size-0.1329086073 %72 %
149LSI Words in H1 Tags   Relevancy-0.1323559 %78 %
150Uses Schema faqpage   Other-0.13117 %58 %
151Uses JSON-LD Answer   Other-0.13116 %55 %
152Uses Schema person   Other-0.131125 %51 %
153Uses JSON-LD Question   Other-0.13116 %57 %
154Number of Social Accounts   Authority-0.137253 %73 %
155Has Contact Page   Trust-0.131168 %62 %
156LSI Words in H3 Tags   Relevancy-0.131051749 %81 %
157Uses JSON-LD ListItem   Other-0.131138 %60 %
158Is Article Page   Other-0.131150 %60 %
159Variations in Class Attributes   Relevancy-0.1346181126 %72 %
160Uses JSON-LD text   Other-0.13116 %58 %
161Variations in H4 Tags   Relevancy-0.1329117 %70 %
162Uses JSON-LD url   Other-0.131148 %62 %
163Number of Questions In H3 Tags   Size-0.137116 %74 %
164Uses Schema description   Other-0.131149 %55 %
165Meta Description Tag Has Entities   Relevancy-0.131159 %66 %
166Uses JSON-LD FAQPage   Other-0.13116 %58 %
167Is Purchase Page   Other-0.131146 %63 %
168Uses JSON-LD BreadcrumbList   Other-0.131137 %62 %
169Uses Schema text   Other-0.131111 %62 %
170Variations in ID Attributes   Relevancy-0.13235214 %73 %
171Variations making whole H1 Tags   Relevancy-0.131111 %64 %
172Uses Schema datepublished   Other-0.131141 %52 %
173Is OpenGraph Type Article   Technology-0.131137 %58 %
174Inline CSS Kilobytes   Size-0.131685266 %73 %
175Exact Matches in H1 Tags   Relevancy-0.132119 %69 %
176Uses Schema headline   Other-0.131123 %49 %
177Has Canonical URL   Authority-0.131177 %67 %
178Uses Schema datemodified   Other-0.131138 %50 %
179Uses Schema imageobject   Other-0.131139 %53 %
180Percentage of DoFollow Links   Authority-0.131009089 %72 %
181Uses JSON-LD headline   Other-0.131120 %51 %
182Number of NoFollow External Links   Authority-0.13327322 %75 %
183Is Store Page   Other-0.131144 %62 %
184Uses Schema aggregaterating   Other-0.13119 %52 %
185Exact Matches in A Tags   Relevancy-0.1333221 %75 %
186Uses JSON-LD Person   Other-0.131121 %53 %
187Uses JSON-LD description   Other-0.131143 %56 %
188Number of HREF Lang Tags   Size-0.1330210 %68 %
189Percentage of NoFollow Links   Authority-0.1218329 %70 %
190Number of Forms   Technology-0.1220365 %64 %
191Uses JSON-LD datePublished   Other-0.121138 %53 %
192Number of H4 Tags   Size-0.1220443 %68 %
193Exact Matches in H2 Tags   Relevancy-0.127114 %75 %
194Uses JSON-LD image   Other-0.121115 %57 %
195Number Of Claimed Brands   Other-0.1217222 %70 %
196Variations in Style Tags   Relevancy-0.12114492015 %71 %
197Has Meta Viewport   Technology-0.121186 %65 %
198Has Meta Twitter Card   Authority-0.121151 %60 %
199Number of Images without ALT Text   Size-0.123991167 %74 %
200Variations in Value Attributes   Relevancy-0.1246215 %64 %