Measures 126176 SEO Factors

124454 Built-In SEO Factors

116848 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 ( 52611 )
Relevancy SEO Factors ( 51174 )
Other SEO Factors ( 21999 )
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 ( 52607 )
Keywords SEO Factors ( 39561 )
Schema SEO Factors ( 21945 )
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 2024-04     previous

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 %78 %
2Number of Distinct Entities Used   Diversity-0.24773281 %88 %
3Search Result Domain is .com, .net, or .org   Other-0.22114 %73 %
4Number of Unique Variations Used   Diversity-0.22451187 %83 %
5Number of Referring Domains   Authority-0.2265028459 %79 %
6Search Result Domain is .com   Other-0.21114 %78 %
7Variations in Body Tags   Relevancy-0.218742853886 %87 %
8Variations in HTML Tags   Relevancy-0.218742853886 %87 %
9Number of Backlinks   Authority-0.212194135523858 %81 %
10Number of Top 50 Shared Factors Used   Diversity-0.21171397 %85 %
11Entities in the HTML Tag   Relevancy-0.2155416078 %89 %
12Entities in Sentences   Relevancy-0.2155015776 %89 %
13Number of Top 100 Shared Factors Used   Diversity-0.21403199 %91 %
14Number of Factors Used   Diversity-0.255620999 %89 %
15Load Time Milliseconds   Performance-0.250019173290 %90 %
16Variations in Div Tags   Relevancy-0.23534722584 %85 %
17Number of Top 200 Shared Factors Used   Diversity-0.2544199 %91 %
18LSI Words in Sentences   Relevancy-0.2550883176 %88 %
19Variations in Sentences   Relevancy-0.234346182 %84 %
20Number of No Follow Backlinks   Authority-0.215566688750 %79 %
21Number of Do Follow Backlinks   Authority-0.22038470436850 %80 %
22Variations in P Tags   Relevancy-0.223545177 %83 %
23Variations in H1, H2, and H3 Tags   Relevancy-0.2131977 %84 %
24Variations in H1-H6 Tags   Relevancy-0.21731077 %84 %
25Variations in A Tags   Relevancy-0.1942603977 %85 %
26Entities in Title Tag   Relevancy-0.199373 %84 %
27Variations in H1 and H2 Tags   Relevancy-0.1968675 %82 %
28Variations in LI Tags   Relevancy-0.1922453376 %85 %
29Clean Text Kilobytes   Size-0.191121485 %88 %
30Unabridged Word Count   Size-0.1921640201989 %82 %
31Entities in H2 Tags-0.1939857 %86 %
32Word Count   Size-0.1913832157090 %82 %
33Number of Includes   Technology-0.19472485 %70 %
34Number of HTML Tags   Size-0.184018101190 %82 %
35Term Frequency   Relevancy-0.186387 %84 %
36LSI Words in Title Tag   Relevancy-0.1820676 %85 %
37Leading Variations in H1-H6 Tags   Relevancy-0.1822256 %80 %
38Variations in H2 Tags   Relevancy-0.1859456 %82 %
39Number of Sentences   Size-0.18115312389 %81 %
40Leading Variations in H1, H2, and H3 Tags   Relevancy-0.1817253 %79 %
41Entities in H3 Tags-0.1733747 %86 %
42Variations in A Tag HREF Attributes   Relevancy-0.1719336372 %85 %
43Clean Keyword Density in the HTML Tag   Relevancy-0.17190680 %74 %
44Variations in the Title Tag   Relevancy-0.1714278 %72 %
45Variations in Distinct A Tag HREF Attributes   Relevancy-0.1711434173 %85 %
46Variations in Search Result Link Text   Relevancy-0.178288 %68 %
47Variations in Script Tags   Relevancy-0.172726613572 %82 %
48Variations in Search Result URL Path   Relevancy-0.1724261 %79 %
49Number of HTTPS Links   Authority-0.1753914487 %86 %
50Number of Links   Authority-0.17104814688 %80 %
51Number of DoFollow Links   Authority-0.17104714388 %87 %
52Number of P Tags   Size-0.173584284 %79 %
53Has JSON-LD Schema Markup   Relevancy-0.171158 %76 %
54Variations in Span Tags   Relevancy-0.175561561 %83 %
55Variations in Search Result Display URL   Relevancy-0.178288 %73 %
56Number of Internal Links   Authority-0.1751112987 %86 %
57Variations in ALT Attributes   Relevancy-0.17272954 %79 %
58Number of Heading Tags   Size-0.17602285 %79 %
59Number of Facebook Pages   Authority-0.1711366 %78 %
60LSI Words in H2 Tags   Relevancy-0.171222264 %86 %
61Variation Density in Top 30KB   Relevancy-0.17281475 %81 %
62Number of Questions   Size-0.17531071 %86 %
63Number of Images   Size-0.173033085 %79 %
64Variations in Main Tags   Relevancy-0.172005213040 %82 %
65Page Size Kilobytes   Size-0.1676825990 %85 %
66Number of Absolute URLs   Authority-0.1687225989 %84 %
67Variations in Nav Tags   Relevancy-0.1663034355 %80 %
68Entities in H1 Tags-0.1614262 %79 %
69Variations in First 100 Words   Relevancy-0.163271076 %79 %
70Variations in H3 Tags   Relevancy-0.1664442 %79 %
71Variations in Absolute URLs   Relevancy-0.1678609174 %88 %
72Number of H2 Tags   Size-0.1631776 %79 %
73Number of Images with ALT Text   Size-0.162272080 %86 %
74Variations in Search Result Document File Name   Relevancy-0.1620260 %74 %
75Variations in H1 Tags   Relevancy-0.1611267 %74 %
76Variations in the Canonical URL   Relevancy-0.1638261 %82 %
77Number of CSS Includes   Technology-0.1619877 %69 %
78Exact Matches in the HTML Tag   Relevancy-0.155431335 %73 %
79Number of Instagram Pages   Authority-0.1530244 %78 %
80Leading Variations in Title Tag   Relevancy-0.151139 %67 %
81LSI Words in H1 Tags   Relevancy-0.1523567 %82 %
82Number Of JSON-LD Types   Relevancy-0.151361462 %81 %
83Variations in OpenGraph Title   Relevancy-0.1510262 %69 %
84Leading Variations in H1 Tags   Relevancy-0.152134 %73 %
85Search Result Number of Dirs in Path   Other-0.154282 %77 %
86LSI Words in H3 Tags   Relevancy-0.151032155 %83 %
87Variations in Search Result URL   Relevancy-0.1541269 %70 %
88Variations in OpenGraph Description   Relevancy-0.1538255 %74 %
89Variations in Meta Description   Relevancy-0.1541261 %73 %
90Variations in Footer Tags   Relevancy-0.1527961643 %79 %
91Number of External Links   Authority-0.15661884 %81 %
92Variation Count in Top 30KB   Relevancy-0.15121334576 %79 %
93Number of H3 Tags   Size-0.1528867 %76 %
94Number of Questions In Headings   Size-0.1512240 %82 %
95Variations Making Whole Span Tags   Relevancy-0.1522226 %75 %
96Number of DoFollow External Links   Authority-0.14561683 %80 %
97Has Meta Charset   Technology-0.141179 %69 %
98Variations Making Whole LI Tags   Relevancy-0.146134 %73 %
99Percentage of DoFollow Internal Links   Authority-0.14937687 %80 %
100Variations making whole A Tags   Relevancy-0.1435240 %73 %
101Variations in Section Tags   Relevancy-0.149882943 %76 %
102Entities in Meta Description Tag   Relevancy-0.1416359 %78 %
103Number of JavaScript Includes   Technology-0.14331786 %70 %
104Number of Twitter Accounts   Authority-0.144141 %77 %
105Leading Variations in H2 Tags   Relevancy-0.147128 %81 %
106Variations in TITLE Attributes   Relevancy-0.14279845 %77 %
107Inline CSS Kilobytes   Size-0.142416268 %80 %
108Number of LinkedIn Pages   Authority-0.143133 %74 %
109TF/IDF   Relevancy-0.141173 %76 %
110Has FavIcon   Technology-0.141178 %77 %
111Flesch Kincaid Reading Grade Level   Other-0.148395 %85 %
112Inline JavaScript Kilobytes   Size-0.144057987 %82 %
113Has Privacy Policy   Trust-0.141164 %78 %
114Number of Social Pages   Authority-0.1438471 %78 %
115Exact Matches in H1-H6 Tags   Relevancy-0.1412123 %73 %
116Number of HTML Comments   Size-0.143783576 %74 %
117Number of Prices   Size-0.1410476273 %79 %
118Variations in the last 100 words   Relevancy-0.14347560 %77 %
119LSI Words in Meta Description Tag   Relevancy-0.14851160 %81 %
120Has Entities in H2 Tags   Relevancy-0.141157 %76 %
121Uses Schema name   Other-0.141165 %70 %
122Number of US Phone Numbers   Trust-0.142381047 %79 %
123Number of Facebook Accounts   Authority-0.144135 %76 %
124Uses Schema searchresultspage   Other-0.14112 %15 %
125Has Schema Markup   Relevancy-0.131168 %75 %
126Percentage of DoFollow Links   Authority-0.131008887 %82 %
127Number of Questions In H2 Tags   Size-0.135125 %80 %
128Leading Variations in H3 Tags   Relevancy-0.1310121 %81 %
129Has Entities in H1 Tags   Relevancy-0.131163 %75 %
130Headings Has Question   Other-0.131140 %75 %
131Variations in Strong Tags   Relevancy-0.1367334 %74 %
132Uses JSON-LD SearchResultsPage   Other-0.13112 %15 %
133Entities in H4 Tags-0.1320324 %81 %
134Average Words Per Sentence   Size-0.132323786 %76 %
135Number of Images without ALT Text   Size-0.131111064 %79 %
136Title Tag Has Entities   Relevancy-0.131174 %77 %
137Variations making whole H1-H6 Tags   Relevancy-0.133120 %69 %
138Variations making whole H1, H2, and H3 Tags   Relevancy-0.133117 %69 %
139Variations in Button Tags   Relevancy-0.131430510 %78 %
140Search Result Uses HTTPS   Other-0.131189 %83 %
141Number of Social Accounts   Authority-0.1323356 %80 %
142Search Result Host Length   Size-0.13261889 %65 %
143Number of Forms   Technology-0.1316263 %65 %
144Uses Schema url   Other-0.131159 %68 %
145Uses JSON-LD name-0.131158 %70 %
146Has US Phone Number   Trust-0.131146 %68 %
147Has Entities in H3 Tags   Relevancy-0.131148 %76 %
148Number of Questions In H3 Tags   Size-0.136118 %77 %
149Variations in ID Attributes   Relevancy-0.13953417 %77 %
150Number of HREF Lang Tags   Size-0.1344211 %74 %
151Search Result Domain Length   Size-0.13261889 %71 %
152Number of H1 Tags   Size-0.137279 %70 %
153Number of Nofollow Links   Authority-0.1366429 %79 %
154Has Meta Viewport   Technology-0.131187 %74 %
155Variations in Style Tags   Relevancy-0.12214726120 %76 %
156Variations in I Tags   Relevancy-0.12208630 %69 %
157Uses Schema question   Other-0.12119 %64 %
158Uses Schema answer   Other-0.12119 %62 %
159Has Contact Page   Trust-0.121169 %67 %
160Has Canonical URL   Authority-0.121178 %73 %
161Variations in Article Tags   Relevancy-0.127602029 %70 %
162Word Count in Meta Description   Size-0.121792069 %65 %
163Uses Schema specialty   Other-0.12112 %13 %
164Variations in H4-H6 Tags   Relevancy-0.1243224 %71 %
165Uses Schema country   Other-0.12112 %22 %
166Uses JSON-LD itemListOrder   Other-0.12113 %13 %
167Uses Schema faqpage   Other-0.12118 %65 %
168Uses JSON-LD url   Other-0.121148 %69 %
169Uses Schema listitem   Other-0.121145 %67 %
170Uses Schema aggregaterating   Other-0.121110 %55 %
171Uses JSON-LD Country   Other-0.12112 %22 %
172Uses JSON-LD Question   Other-0.12118 %62 %
173Uses JSON-LD Answer   Other-0.12118 %60 %
174Uses Schema itemlistorder   Other-0.12112 %12 %
175Uses JSON-LD text   Other-0.12118 %63 %
176Is Home Page   Other-0.121113 %44 %
177Uses Schema encodingformat   Other-0.12112 %19 %
178Exact Matches in Sentences   Relevancy-0.1245324 %78 %
179Has HREF Lang   Technology-0.121112 %67 %
180Number of H4 Tags   Size-0.1231442 %69 %
181Variations in Meta Twitter Content   Relevancy-0.127127 %63 %
182Uses Schema image   Other-0.121123 %64 %
183Meta Description Length   Size-0.12148212370 %71 %
184Uses Schema addresslocality   Other-0.121119 %57 %
185Has Terms of Service   Trust-0.121142 %69 %
186Uses JSON-LD encodingFormat   Other-0.12112 %19 %
187Uses Schema addressregion   Other-0.121118 %57 %
188Uses Schema breadcrumblist   Other-0.121144 %68 %
189Uses Schema postaladdress   Other-0.121119 %58 %
190Uses Schema organization   Other-0.121138 %65 %
191Variations making whole H1 Tags   Relevancy-0.121110 %64 %
192Is Purchase Page   Other-0.121149 %69 %
193Uses JSON-LD AggregateRating   Other-0.12118 %57 %
194Uses JSON-LD FAQPage   Other-0.12117 %65 %
195Number of NoFollow External Links   Authority-0.1224220 %77 %
196Percentage of DoFollow External Links   Authority-0.12351382 %67 %
197Uses JSON-LD ItemList   Other-0.12114 %44 %
198Uses JSON-LD addressRegion   Other-0.121116 %57 %
199Number Of Claimed Brands   Other-0.1225226 %72 %
200Exact Matches in Top 30KB   Relevancy-0.1218221 %74 %