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 ( 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 ( 52607 )
Keywords SEO Factors ( 39561 )
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 2022-9     previous - today - next

Top SEO Factor data is updated daily for latest "month to date" measurements.

NameCorrelation#1 MaxPage 1 AvgUsage %Searches %
1Number of Top 100 Shared Factors Used   Diversity-0.31832598 %93 %
2Number of Top 50 Shared Factors Used   Diversity-0.31431097 %84 %
3Number of Top 200 Shared Factors Used   Diversity-0.31395198 %93 %
4Number of Distinct Entities Used   Diversity-0.29932893 %74 %
5Number of Unique LSI Words Used   Diversity-0.2997129591 %22 %
6Number of Factors Used   Diversity-0.2729214498 %91 %
7Variations in HTML Tags   Relevancy-0.256460225485 %96 %
8Variations in Body Tags   Relevancy-0.255863124388 %93 %
9Number of Unique Variations Used   Diversity-0.2324785 %23 %
10Variations in Div Tags   Relevancy-0.233327313883 %94 %
11Variations in A Tags   Relevancy-0.2253632875 %90 %
12Variations in H1-H6 Tags   Relevancy-0.22380976 %91 %
13Variations in H1, H2, and H3 Tags   Relevancy-0.22290775 %91 %
14Entities in Title Tag   Relevancy-0.227377 %67 %
15Entities in H2 Tags-0.2143856 %72 %
16Variations in P Tags   Relevancy-0.2153103473 %93 %
17Variations in LI Tags   Relevancy-0.2118691968 %91 %
18Entities in H3 Tags-0.21127747 %73 %
19Variation Position Variance-0.2111704230584 %63 %
20Term Frequency   Relevancy-0.216384 %92 %
21Variations in H1 and H2 Tags   Relevancy-0.21141573 %89 %
22Average Exact Match Position-0.2118280280349 %54 %
23Average Variation Position-0.219354485985 %62 %
24Unabridged Word Count   Size-0.210403187594 %90 %
25Number of HTML Tags   Size-0.2290198695 %89 %
26Variations in Sentences   Relevancy-0.246803073 %90 %
27Exact Match Position Variance-0.212115119543 %52 %
28Clean Text Kilobytes   Size-0.2561289 %89 %
29Word Count   Size-0.24509140994 %88 %
30Entities in Sentences   Relevancy-0.250910467 %96 %
31Exact Matches in the HTML Tag   Relevancy-0.24702345 %89 %
32Variations in ALT Attributes   Relevancy-0.2379952 %87 %
33Clean Keyword Density in the HTML Tag   Relevancy-0.2203479 %79 %
34Variations in Search Result Display URL   Relevancy-0.1917287 %76 %
35Variations in Search Result Link Text   Relevancy-0.1917287 %76 %
36Variations in Distinct A Tag HREF Attributes   Relevancy-0.1919833569 %91 %
37Variations in A Tag HREF Attributes   Relevancy-0.1927085270 %91 %
38Entities in the HTML Tag   Relevancy-0.19154326169 %96 %
39Variations in Script Tags   Relevancy-0.19115475364 %92 %
40Variations in H2 Tags   Relevancy-0.19122449 %89 %
41Page Size Kilobytes   Size-0.1961818194 %86 %
42Number of Sentences   Size-0.196727391 %87 %
43Keywords in pages top 10 most used phrases-0.1921262 %65 %
44Leading Variations in H1-H6 Tags   Relevancy-0.1943251 %89 %
45Leading Variations in H1, H2, and H3 Tags   Relevancy-0.1831248 %89 %
46Keywords in pages top 5 most used phrases-0.1811153 %64 %
47Variation Density in Top 30KB   Relevancy-0.18352371 %82 %
48Number of HTTPS Links   Authority-0.1859116091 %85 %
49Exact Match Clustering Score-0.18531942 %49 %
50Exact Matches in H1-H6 Tags   Relevancy-0.1812234 %86 %
51Variations in Span Tags   Relevancy-0.188151055 %91 %
52Number of Heading Tags   Size-0.182192290 %90 %
53Number of Images   Size-0.181033189 %87 %
54Number of Internal Links   Authority-0.1857814591 %86 %
55Number of Links   Authority-0.1759116392 %86 %
56Ahrefs Referring Domains   Authority-0.1717100131937 %31 %
57Ahrefs Referring IP Addresses   Authority-0.1722365837 %31 %
58Ahrefs Referring Class C Addresses   Authority-0.1712774137 %31 %
59Variations in the Title Tag   Relevancy-0.1718276 %77 %
60Variations in Search Result URL Path   Relevancy-0.1711259 %74 %
61Number of DoFollow Links   Authority-0.1758215792 %86 %
62Variations in Nav Tags   Relevancy-0.1768952546 %87 %
63Number of P Tags   Size-0.171733988 %86 %
64LSI Words in Sentences   Relevancy-0.17471361363 %96 %
65Ahrefs Text Backlinks   Authority-0.17835110276837 %31 %
66Ahrefs Backlinks   Authority-0.17835127278437 %31 %
67Ahrefs Referring Pages   Authority-0.17835126278437 %31 %
68Exact Matches in Top 30KB   Relevancy-0.1737435 %67 %
69Number of Images with ALT Text   Size-0.17892083 %87 %
70Leading Variations in Title Tag   Relevancy-0.171137 %79 %
71Variations in the Canonical URL   Relevancy-0.1750257 %80 %
72Variations in H3 Tags   Relevancy-0.17150335 %89 %
73Entities in H1 Tags-0.1610263 %63 %
74Number of H2 Tags   Size-0.1622775 %89 %
75Variations in Main Tags   Relevancy-0.16124516334 %83 %
76Variations in Search Result Document File Name   Relevancy-0.169262 %63 %
77Variations in H1 Tags   Relevancy-0.1620264 %79 %
78Has JSON-LD Schema Markup   Relevancy-0.161147 %22 %
79Entities in Meta Description Tag   Relevancy-0.1610362 %63 %
80Has Entities in H2 Tags   Relevancy-0.161160 %66 %
81Leading Variations in H1 Tags   Relevancy-0.162133 %79 %
82Number of Questions   Size-0.16112765 %84 %
83Variations in Meta Description   Relevancy-0.1643258 %80 %
84TF/IDF   Relevancy-0.161164 %83 %
85Has Entities in H3 Tags   Relevancy-0.161149 %63 %
86Ahrefs NoFollow Backlinks   Authority-0.162073325407830 %31 %
87Variations in Search Result URL   Relevancy-0.1620262 %75 %
88DomDetailer Majestic IPs   Authority-0.163176014186176 %39 %
89Number of Questions In Headings   Size-0.167234 %29 %
90DomDetailer Majestic Referring Subnets   Authority-0.16757991166676 %39 %
91DomDetailer Moz PA   Authority-0.16733676 %37 %
92Variation Clustering Score-0.16523984 %56 %
93Variations in Absolute URLs   Relevancy-0.1669155664 %87 %
94Ahrefs Dofollow Backlinks   Authority-0.16771388-148432 %30 %
95DomDetailer Majestic Referring Domains   Authority-0.16207080925790676 %39 %
96Uses JSON-LD Answer   Other-0.16116 %19 %
97Body Tag Size Kilobytes   Size-0.163126959 %92 %
98Load Time Milliseconds   Performance-0.1671406270995 %72 %
99Number of Absolute URLs   Authority-0.16192817993 %82 %
100Uses Schema answer   Other-0.16117 %20 %
101Keywords in pages top 3 most used phrases-0.167143 %65 %
102Number of H3 Tags   Size-0.16196866 %86 %
103Uses JSON-LD Question   Other-0.16116 %19 %
104Uses Schema question   Other-0.16117 %20 %
105Exact Matches in Sentences   Relevancy-0.1659329 %88 %
106Uses JSON-LD text   Other-0.16117 %19 %
107Variation Count in Top 30KB   Relevancy-0.1655203479 %79 %
108Title Tag Has Entities   Relevancy-0.151181 %55 %
109Entities in H4 Tags-0.1520324 %68 %
110Ahrefs Rank   Authority-0.1548945 %28 %
111Variations in First 100 Words   Relevancy-0.15203764 %74 %
112Has Entities in H1 Tags   Relevancy-0.151169 %61 %
113Exact Matches in Title Tag   Relevancy-0.152130 %79 %
114Variations making whole H1-H6 Tags   Relevancy-0.154117 %78 %
115Number Of JSON-LD Types   Relevancy-0.151731055 %82 %
116Variations in Footer Tags   Relevancy-0.1532871033 %81 %
117DomDetailer Majestic CF   Authority-0.15682975 %37 %
118Inline JavaScript Kilobytes   Size-0.152834489 %77 %
119Uses JSON-LD FAQPage   Other-0.15116 %18 %
120DomDetailer Moz DA   Authority-0.15883576 %36 %
121Uses Schema faqpage   Other-0.15116 %19 %
122Variations making whole H1, H2, and H3 Tags   Relevancy-0.152116 %76 %
123Exact Matches in A Tags   Relevancy-0.1551427 %85 %
124Variations in Section Tags   Relevancy-0.1528971836 %86 %
125Variations in TITLE Attributes   Relevancy-0.15195736 %85 %
126Exact Matches in Body Tag   Relevancy-0.143501730 %91 %
127Number of External Links   Authority-0.14931987 %77 %
128Leading Variations in H2 Tags   Relevancy-0.1413123 %85 %
129Number of Questions In H2 Tags   Size-0.144121 %77 %
130Headings Has Question   Other-0.141136 %75 %
131Uses Schema text   Other-0.141111 %20 %
132Variations in OpenGraph Description   Relevancy-0.148250 %71 %
133Variations in OpenGraph Title   Relevancy-0.1414156 %67 %
134Exact Matches in H1 Tags   Relevancy-0.142125 %79 %
135DomDetailer Majestic TF   Authority-0.14642370 %36 %
136Variations Making Whole LI Tags   Relevancy-0.145126 %78 %
137Exact Matches in H2 Tags   Relevancy-0.146117 %85 %
138Number of Includes   Technology-0.14381284 %59 %
139DomDetailer Moz Rank   Authority-0.149474 %35 %
140Variations Making Whole Span Tags   Relevancy-0.1410120 %84 %
141Number of Prices   Size-0.149344471 %79 %
142Variations in Strong Tags   Relevancy-0.14144330 %82 %
143Number of US Phone Numbers   Trust-0.1487839 %77 %
144Number of HTML Comments   Size-0.142373276 %80 %
145Number of Facebook Pages   Authority-0.148365 %71 %
146Flesch Kincaid Reading Grade Level   Other-0.148394 %26 %
147DomDetailer Facebook Shares   Authority-0.1441501825-498473872 %39 %
148Variations making whole A Tags   Relevancy-0.1421132 %80 %
149Number of Nofollow Links   Authority-0.1455635 %76 %
150Variations in the last 100 words   Relevancy-0.13200449 %76 %
151Number of DoFollow External Links   Authority-0.13921684 %76 %
152Uses JSON-LD name   Other-0.131146 %19 %
153Search Result Domain is .com, .net, or .org   Other-0.13117 %55 %
154Variations in I Tags   Relevancy-0.13568733 %78 %
155Has JSON-LD Question-0.13117 %48 %
156Has JSON-LD Answer-0.13117 %48 %
157DomDetailer Majestic Links   Authority-0.13152785442746669075 %37 %
158Number of CSS Includes   Technology-0.1317882 %57 %
159Has Meta Charset   Technology-0.131184 %67 %
160Uses Schema name   Other-0.131161 %18 %
161Ahrefs Has Text Backlinks   Authority-0.131135 %31 %
162Inline CSS Kilobytes   Size-0.131433663 %79 %
163Variations making whole H1 Tags   Relevancy-0.131111 %75 %
164Ahrefs Has Backlinks   Authority-0.131135 %31 %
165Search Result Domain is .com   Other-0.13117 %55 %
166Is Store Page   Other-0.131147 %70 %
167Ahrefs Has Dofollow Backlinks   Authority-0.131130 %30 %
168DomDetailer Moz Links   Authority-0.13126980921212688576 %38 %
169Is Home Page   Other-0.131116 %43 %
170Number of Forms   Technology-0.1321370 %73 %
171Number of HREF Lang Tags   Size-0.1317212 %77 %
172LSI Words in H2 Tags   Relevancy-0.131291649 %94 %
173Variations in Article Tags   Relevancy-0.1333441829 %75 %
174Is Pagination Page   Other-0.131118 %66 %
175Has Schema Markup   Relevancy-0.131166 %73 %
176Number of Questions In H3 Tags   Size-0.134116 %78 %
177Number of Instagram Pages   Authority-0.1319238 %75 %
178Search Result Number of Dirs in Path   Other-0.134284 %65 %
179Number of JavaScript Includes   Technology-0.13381587 %71 %
180Exact Matches in Meta Description   Relevancy-0.135120 %80 %
181Uses JSON-LD url   Other-0.131144 %18 %
182Number of NoFollow External Links   Authority-0.1326323 %76 %
183Number of H4 Tags   Size-0.1330443 %80 %
184Title Has Sales Words   Other-0.131118 %65 %
185Variations in H4-H6 Tags   Relevancy-0.1391220 %79 %
186Ahrefs Has NoFollow Backlinks   Authority-0.131129 %31 %
187Has FavIcon   Technology-0.131178 %65 %
188Leading Variations in H3 Tags   Relevancy-0.1318116 %82 %
189Meta Description Tag Has Entities   Relevancy-0.131164 %56 %
190Number of Images without ALT Text   Size-0.13691167 %80 %
191Has Privacy Policy   Trust-0.131157 %69 %
192Uses JSON-LD inLanguage   Other-0.131128 %14 %
193Title Has Sentiment Words   Other-0.131120 %65 %
194Variations in Button Tags   Relevancy-0.1339117 %79 %
195Number of Social Pages   Authority-0.1222466 %72 %
196Has Entities in H4 Tags   Relevancy-0.121126 %59 %
197Variations in Search Result Summary   Relevancy-0.1248386 %59 %
198Uses Schema website   Other-0.121134 %15 %
199Uses Schema inlanguage   Other-0.121128 %14 %
200Has JSON-LD Country-0.12111 %12 %