Measures 137030 SEO Factors

135308 Built-In SEO Factors

126903 On-page SEO Factors

8405 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 ( 53712 )
Relevancy SEO Factors ( 52896 )
Other SEO Factors ( 26359 )
Local SEO Factors ( 8227 )
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 ( 53708 )
Keywords SEO Factors ( 40927 )
Schema SEO Factors ( 26305 )
LSI SEO Factors ( 8445 )
Local SEO Factors ( 8228 )
Entities SEO Factors ( 3502 )
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 2024-4     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-0.26138332689 %76 %
2Number of Distinct Entities Used   Diversity-0.24773282 %86 %
3Search Result Domain is .com, .net, or .org   Other-0.22114 %71 %
4Number of Unique Variations Used   Diversity-0.22451187 %81 %
5Number of Referring Domains   Authority-0.2265028158 %78 %
6Number of Top 50 Shared Factors Used   Diversity-0.21171397 %85 %
7Search Result Domain is .com   Other-0.21114 %77 %
8Variations in Body Tags   Relevancy-0.218742850386 %86 %
9Variations in HTML Tags   Relevancy-0.218742850386 %86 %
10Number of Backlinks   Authority-0.212194135491958 %80 %
11Entities in the HTML Tag   Relevancy-0.2157116278 %88 %
12Entities in Sentences   Relevancy-0.2155915976 %88 %
13Number of Factors Used   Diversity-0.2155620999 %89 %
14Number of Top 100 Shared Factors Used   Diversity-0.2403199 %91 %
15Load Time Milliseconds   Performance-0.250019174190 %90 %
16Number of Top 200 Shared Factors Used   Diversity-0.2544199 %91 %
17Variations in Div Tags   Relevancy-0.23534721384 %84 %
18LSI Words in Sentences   Relevancy-0.2550882176 %87 %
19Variations in Sentences   Relevancy-0.234345982 %83 %
20Number of No Follow Backlinks   Authority-0.215566678850 %79 %
21Number of Do Follow Backlinks   Authority-0.22038470413850 %79 %
22Variations in H1, H2, and H3 Tags   Relevancy-0.2131977 %83 %
23Variations in P Tags   Relevancy-0.223545077 %83 %
24Variations in H1-H6 Tags   Relevancy-0.21731077 %83 %
25Entities in Title Tag   Relevancy-0.199374 %82 %
26Variations in A Tags   Relevancy-0.1942603777 %84 %
27Variations in H1 and H2 Tags   Relevancy-0.1968675 %81 %
28Variations in LI Tags   Relevancy-0.1922453276 %85 %
29Entities in H2 Tags-0.1939858 %84 %
30Clean Text Kilobytes   Size-0.191121485 %89 %
31Unabridged Word Count   Size-0.1921640199790 %81 %
32Word Count   Size-0.1913832157690 %81 %
33Number of HTML Tags   Size-0.184018101190 %82 %
34Number of Includes   Technology-0.18472485 %70 %
35Term Frequency   Relevancy-0.186386 %83 %
36Leading Variations in H1-H6 Tags   Relevancy-0.1822255 %79 %
37Number of Sentences   Size-0.18115312289 %81 %
38Entities in H3 Tags-0.1854748 %84 %
39Variations in H2 Tags   Relevancy-0.1859456 %81 %
40Leading Variations in H1, H2, and H3 Tags   Relevancy-0.1717252 %78 %
41LSI Words in Title Tag   Relevancy-0.1720676 %85 %
42Variations in A Tag HREF Attributes   Relevancy-0.1719336273 %84 %
43Variations in Distinct A Tag HREF Attributes   Relevancy-0.1711434073 %84 %
44Variations in Search Result Link Text   Relevancy-0.178288 %67 %
45Number of HTTPS Links   Authority-0.1753914487 %86 %
46Number of Links   Authority-0.17104814688 %79 %
47Variations in Search Result URL Path   Relevancy-0.1724261 %79 %
48Variations in the Title Tag   Relevancy-0.1714278 %72 %
49Number of P Tags   Size-0.173584284 %79 %
50Number of DoFollow Links   Authority-0.17104714388 %87 %
51Variations in ALT Attributes   Relevancy-0.17272954 %79 %
52Clean Keyword Density in the HTML Tag   Relevancy-0.17190680 %74 %
53Variations in Script Tags   Relevancy-0.172726612772 %81 %
54Has JSON-LD Schema Markup   Relevancy-0.171158 %75 %
55Variations in Span Tags   Relevancy-0.175561461 %82 %
56Number of Internal Links   Authority-0.1751112987 %86 %
57Number of Heading Tags   Size-0.17602285 %79 %
58Variations in Search Result Display URL   Relevancy-0.1712289 %73 %
59Variation Density in Top 30KB   Relevancy-0.16281375 %81 %
60Number of Facebook Pages   Authority-0.1611366 %78 %
61Variations in Main Tags   Relevancy-0.162005212239 %81 %
62Number of Images   Size-0.163033085 %78 %
63LSI Words in H2 Tags   Relevancy-0.161222263 %85 %
64Entities in H1 Tags-0.1614263 %77 %
65Number of Questions   Size-0.16531071 %86 %
66Page Size Kilobytes   Size-0.1676825990 %85 %
67Variations in Nav Tags   Relevancy-0.1663034155 %79 %
68Number of Absolute URLs   Authority-0.16191326089 %84 %
69Variations in Absolute URLs   Relevancy-0.1678609274 %88 %
70Number of H2 Tags   Size-0.1631776 %78 %
71Variations in H1 Tags   Relevancy-0.1611267 %74 %
72Variations in H3 Tags   Relevancy-0.1664442 %79 %
73Variations in Search Result Document File Name   Relevancy-0.1620259 %74 %
74Variations in First 100 Words   Relevancy-0.163271076 %79 %
75Number of Images with ALT Text   Size-0.162272080 %86 %
76Variations in the Canonical URL   Relevancy-0.1651261 %82 %
77Number of CSS Includes   Technology-0.1519877 %69 %
78Number of Instagram Pages   Authority-0.1530244 %78 %
79LSI Words in H1 Tags   Relevancy-0.1523567 %82 %
80Exact Matches in the HTML Tag   Relevancy-0.155431335 %72 %
81Number Of JSON-LD Types   Relevancy-0.151361462 %82 %
82Variations in OpenGraph Title   Relevancy-0.1510262 %69 %
83Leading Variations in Title Tag   Relevancy-0.151138 %66 %
84Leading Variations in H1 Tags   Relevancy-0.152133 %74 %
85Search Result Number of Dirs in Path   Other-0.154282 %77 %
86Variations in Meta Description   Relevancy-0.1541262 %73 %
87LSI Words in H3 Tags   Relevancy-0.151032155 %82 %
88Variations in Search Result URL   Relevancy-0.1541269 %71 %
89Number of External Links   Authority-0.15791884 %81 %
90Variations in OpenGraph Description   Relevancy-0.1538256 %74 %
91Number of Questions In Headings   Size-0.1512240 %82 %
92Variations in Footer Tags   Relevancy-0.1527961543 %78 %
93Number of H3 Tags   Size-0.1528867 %76 %
94Number of DoFollow External Links   Authority-0.14731683 %79 %
95Variation Count in Top 30KB   Relevancy-0.14121334376 %79 %
96Entities in Meta Description Tag   Relevancy-0.1416460 %77 %
97Variations Making Whole Span Tags   Relevancy-0.1422226 %75 %
98Variations in Section Tags   Relevancy-0.149882843 %76 %
99Variations Making Whole LI Tags   Relevancy-0.146134 %72 %
100Has Meta Charset   Technology-0.141179 %67 %
101Number of Twitter Accounts   Authority-0.144141 %76 %
102Number of LinkedIn Pages   Authority-0.143133 %75 %
103Variations in TITLE Attributes   Relevancy-0.14279845 %76 %
104Variations making whole A Tags   Relevancy-0.1435240 %72 %
105Percentage of DoFollow Internal Links   Authority-0.14937687 %80 %
106Leading Variations in H2 Tags   Relevancy-0.147128 %81 %
107Inline CSS Kilobytes   Size-0.142416168 %81 %
108Uses Schema searchresultspage   Other-0.14112 %15 %
109Has Privacy Policy   Trust-0.141163 %77 %
110Number of JavaScript Includes   Technology-0.14331786 %70 %
111Exact Matches in H1-H6 Tags   Relevancy-0.1412124 %72 %
112TF/IDF   Relevancy-0.141174 %75 %
113Number of HTML Comments   Size-0.143783676 %74 %
114Has Entities in H2 Tags   Relevancy-0.141158 %75 %
115Flesch Kincaid Reading Grade Level   Other-0.148396 %84 %
116Number of Social Pages   Authority-0.1438471 %78 %
117Inline JavaScript Kilobytes   Size-0.144657987 %81 %
118Has FavIcon   Technology-0.141179 %77 %
119Uses JSON-LD SearchResultsPage   Other-0.14112 %15 %
120Number of Facebook Accounts   Authority-0.144135 %77 %
121Variations in the last 100 words   Relevancy-0.14347560 %77 %
122LSI Words in Meta Description Tag   Relevancy-0.14851160 %81 %
123Number of Prices   Size-0.1410756074 %79 %
124Number of US Phone Numbers   Trust-0.132381047 %79 %
125Number of Questions In H2 Tags   Size-0.135125 %79 %
126Headings Has Question   Other-0.131140 %76 %
127Has Entities in H1 Tags   Relevancy-0.131164 %74 %
128Uses Schema name   Other-0.131165 %69 %
129Leading Variations in H3 Tags   Relevancy-0.1310121 %81 %
130Variations in Strong Tags   Relevancy-0.1367334 %73 %
131Has Schema Markup   Relevancy-0.131169 %75 %
132Entities in H4 Tags-0.1320325 %79 %
133Percentage of DoFollow Links   Authority-0.131008887 %82 %
134Number of Images without ALT Text   Size-0.131111065 %79 %
135Average Words Per Sentence   Size-0.132323686 %77 %
136Variations in Button Tags   Relevancy-0.131430410 %77 %
137Variations making whole H1-H6 Tags   Relevancy-0.133119 %68 %
138Title Tag Has Entities   Relevancy-0.131174 %76 %
139Number of Social Accounts   Authority-0.1323356 %80 %
140Variations making whole H1, H2, and H3 Tags   Relevancy-0.133117 %68 %
141Search Result Uses HTTPS   Other-0.131189 %83 %
142Has Entities in H3 Tags   Relevancy-0.131149 %74 %
143Uses JSON-LD name   Other-0.131158 %69 %
144Number of HREF Lang Tags   Size-0.1344211 %74 %
145Number of Forms   Technology-0.1316263 %65 %
146Number of Questions In H3 Tags   Size-0.136118 %78 %
147Uses Schema specialty   Other-0.13112 %13 %
148Uses Schema url   Other-0.131159 %67 %
149Has US Phone Number   Trust-0.131146 %68 %
150Search Result Host Length   Size-0.13261889 %65 %
151Number of H1 Tags   Size-0.137279 %70 %
152Is Home Page   Other-0.131113 %44 %
153Has Meta Viewport   Technology-0.131187 %73 %
154Number of Nofollow Links   Authority-0.1366429 %79 %
155Variations in I Tags   Relevancy-0.12208630 %69 %
156Variations in Article Tags   Relevancy-0.127602029 %69 %
157Uses Schema country   Other-0.12112 %21 %
158Variations in ID Attributes   Relevancy-0.12953417 %76 %
159Variations in Style Tags   Relevancy-0.12214725521 %75 %
160Uses Schema answer   Other-0.12119 %61 %
161Search Result Domain Length   Size-0.12261889 %71 %
162Uses Schema question   Other-0.12119 %63 %
163Variations in H4-H6 Tags   Relevancy-0.1243224 %71 %
164Uses Schema aggregaterating   Other-0.121110 %55 %
165Has Contact Page   Trust-0.121169 %67 %
166Uses JSON-LD itemListOrder   Other-0.12113 %12 %
167Uses JSON-LD Country   Other-0.12112 %21 %
168Uses Schema itemlistorder   Other-0.12112 %12 %
169Uses Schema encodingformat   Other-0.12112 %19 %
170Has HREF Lang   Technology-0.121111 %67 %
171Word Count in Meta Description   Size-0.121792070 %65 %
172Uses JSON-LD url   Other-0.121148 %69 %
173Has Canonical URL   Authority-0.121178 %73 %
174Exact Matches in Sentences   Relevancy-0.1245324 %77 %
175Uses JSON-LD text   Other-0.12118 %61 %
176Uses JSON-LD encodingFormat   Other-0.12112 %19 %
177Number of H4 Tags   Size-0.1231442 %68 %
178Uses JSON-LD Answer   Other-0.12118 %59 %
179Uses Schema listitem   Other-0.121145 %66 %
180Uses JSON-LD Question   Other-0.12118 %61 %
181Variations in Meta Twitter Content   Relevancy-0.127127 %63 %
182Uses Schema addresslocality   Other-0.121119 %56 %
183Uses JSON-LD AggregateRating   Other-0.12118 %56 %
184Uses Schema faqpage   Other-0.12118 %64 %
185Has Terms of Service   Trust-0.121142 %69 %
186Uses Schema postaladdress   Other-0.121120 %57 %
187Number of NoFollow External Links   Authority-0.1224220 %77 %
188Meta Description Length   Size-0.12148212370 %71 %
189Uses Schema image   Other-0.121123 %64 %
190Percentage of DoFollow External Links   Authority-0.12351382 %66 %
191Variations in Figure Tags   Relevancy-0.121437913 %70 %
192Uses Schema addressregion   Other-0.121118 %56 %
193Uses Schema breadcrumblist   Other-0.121145 %67 %
194Exact Matches in Top 30KB   Relevancy-0.1218221 %74 %
195Uses Schema streetaddress   Other-0.121118 %57 %
196Number Of Claimed Brands   Other-0.1225226 %72 %
197Uses Schema state   Other-0.12113 %15 %
198Uses JSON-LD ItemList   Other-0.12114 %44 %
199Uses JSON-LD FAQPage   Other-0.12117 %64 %
200Is Purchase Page   Other-0.121149 %68 %