Measures 126780 SEO Factors

125058 Built-In SEO Factors

117445 On-page SEO Factors

7613 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 ( 52733 )
Relevancy SEO Factors ( 51436 )
Other SEO Factors ( 22074 )
Local SEO Factors ( 7480 )
Technology SEO Factors ( 1599 )
Authority SEO Factors ( 163 )
Pay Per Click SEO Factors ( 29 )
Trust SEO Factors ( 15 )
Diversity SEO Factors ( 15 )
Easy SEO Factors ( 3 )
Performance SEO Factors ( 1 )

SEO Factor Type

Size SEO Factors ( 52729 )
Keywords SEO Factors ( 39735 )
Schema SEO Factors ( 22020 )
LSI SEO Factors ( 8258 )
Local SEO Factors ( 7481 )
Entities SEO Factors ( 3421 )
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 2023-6     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-0.27115632691 %71 %
2Number of Distinct Entities Used   Diversity-0.27732884 %81 %
3Number of Top 200 Shared Factors Used   Diversity-0.25574197 %86 %
4Number of Top 100 Shared Factors Used   Diversity-0.25423197 %87 %
5Variations in Body Tags   Relevancy-0.258176226187 %84 %
6Variations in HTML Tags   Relevancy-0.258176226087 %84 %
7Number of Unique Variations Used   Diversity-0.2438888 %76 %
8Variations in P Tags   Relevancy-0.249903376 %83 %
9Variations in Sentences   Relevancy-0.2417093779 %82 %
10Number of Top 50 Shared Factors Used   Diversity-0.24181396 %82 %
11Variations in H1, H2, and H3 Tags   Relevancy-0.2459776 %82 %
12Variations in H1-H6 Tags   Relevancy-0.24102877 %82 %
13Variations in Div Tags   Relevancy-0.233486112984 %83 %
14Entities in the HTML Tag   Relevancy-0.2352111877 %86 %
15Entities in Sentences   Relevancy-0.2352011576 %86 %
16Variations in H1 and H2 Tags   Relevancy-0.2338574 %81 %
17Variations in Search Result Display URL   Relevancy-0.234282 %72 %
18Number of Factors Used   Diversity-0.2249519897 %84 %
19Number of Referring Domains   Authority-0.2276198260 %75 %
20Variations in A Tags   Relevancy-0.2217842475 %82 %
21Variations in LI Tags   Relevancy-0.224991974 %82 %
22Variations in Search Result Link Text   Relevancy-0.224282 %68 %
23Number of Backlinks   Authority-0.22659467466760 %74 %
24Term Frequency   Relevancy-0.216386 %81 %
25LSI Words in Sentences   Relevancy-0.21460978877 %85 %
26Exact Matches in the HTML Tag   Relevancy-0.213651745 %77 %
27Variations in H2 Tags   Relevancy-0.2128451 %81 %
28Number of No Follow Backlinks   Authority-0.2115009173352 %72 %
29Number of Do Follow Backlinks   Authority-0.21612612387052 %73 %
30Entities in H2 Tags-0.2156653 %80 %
31Variations in the Title Tag   Relevancy-0.214275 %70 %
32Clean Text Kilobytes   Size-0.2991388 %85 %
33Unabridged Word Count   Size-0.220583202591 %80 %
34Clean Keyword Density in the HTML Tag   Relevancy-0.2183478 %72 %
35Word Count   Size-0.25511153091 %80 %
36Variation Density in Top 30KB   Relevancy-0.2297369 %77 %
37Entities in Title Tag   Relevancy-0.28370 %76 %
38Leading Variations in H1, H2, and H3 Tags   Relevancy-0.211248 %77 %
39Variations in Script Tags   Relevancy-0.2205126968 %81 %
40Leading Variations in H1-H6 Tags   Relevancy-0.1915251 %79 %
41Entities in H3 Tags-0.1942543 %79 %
42Variations in Distinct A Tag HREF Attributes   Relevancy-0.199322870 %82 %
43Variations in H1 Tags   Relevancy-0.1911265 %71 %
44Variations in A Tag HREF Attributes   Relevancy-0.1911554269 %82 %
45Number of Sentences   Size-0.1954911491 %79 %
46Load Time Milliseconds   Performance-0.1939570151492 %83 %
47Variations in ALT Attributes   Relevancy-0.1980853 %79 %
48Variations in Search Result URL Path   Relevancy-0.1910257 %77 %
49Number of Questions   Size-0.1993969 %82 %
50Variations in Span Tags   Relevancy-0.185821057 %80 %
51Variations in the Canonical URL   Relevancy-0.1845258 %78 %
52Variations in First 100 Words   Relevancy-0.18173873 %76 %
53Number of HTML Tags   Size-0.183048104192 %79 %
54Number of P Tags   Size-0.181303986 %78 %
55Search Result Domain is .com, .net, or .org   Other-0.18113 %54 %
56Exact Matches in H1-H6 Tags   Relevancy-0.1820231 %76 %
57Variations in H3 Tags   Relevancy-0.1834337 %78 %
58Variations in Meta Description   Relevancy-0.1830258 %73 %
59Exact Matches in Sentences   Relevancy-0.18146431 %78 %
60Has JSON-LD Schema Markup   Relevancy-0.181156 %66 %
61Search Result Domain is .com   Other-0.18113 %56 %
62LSI Words in Title Tag   Relevancy-0.1818676 %81 %
63TF/IDF   Relevancy-0.181166 %72 %
64Variations in Main Tags   Relevancy-0.18249067238 %80 %
65Variations in Search Result URL   Relevancy-0.175262 %73 %
66Variations in OpenGraph Title   Relevancy-0.1711258 %68 %
67LSI Words in H2 Tags   Relevancy-0.171092163 %82 %
68Number of HTTPS Links   Authority-0.17105215289 %79 %
69Variation Count in Top 30KB   Relevancy-0.1743282875 %75 %
70Number of Internal Links   Authority-0.17104213889 %78 %
71Variations in Absolute URLs   Relevancy-0.17139846971 %84 %
72Number of Facebook Pages   Authority-0.1711366 %66 %
73Number of Links   Authority-0.17105415589 %75 %
74Variations in Search Result Document File Name   Relevancy-0.174256 %70 %
75Number of DoFollow Links   Authority-0.17105115089 %78 %
76Variations in OpenGraph Description   Relevancy-0.1734252 %70 %
77Page Size Kilobytes   Size-0.1763423892 %79 %
78Number of Includes   Technology-0.17482486 %62 %
79Entities in H1 Tags-0.1724257 %71 %
80Number of Heading Tags   Size-0.17522188 %78 %
81Variations in Nav Tags   Relevancy-0.1730242148 %76 %
82Leading Variations in Title Tag   Relevancy-0.161136 %68 %
83Exact Matches in Top 30KB   Relevancy-0.1623328 %71 %
84Number Of JSON-LD Types   Relevancy-0.16861361 %78 %
85Number of Images with ALT Text   Size-0.161712082 %80 %
86Number of H2 Tags   Size-0.1623776 %77 %
87Number of Questions In Headings   Size-0.169237 %78 %
88Leading Variations in H1 Tags   Relevancy-0.162131 %71 %
89Number of Images   Size-0.161803187 %77 %
90Number of Absolute URLs   Authority-0.1673625091 %78 %
91Exact Matches in Title Tag   Relevancy-0.162127 %70 %
92Leading Variations in H2 Tags   Relevancy-0.166123 %77 %
93Variations in Section Tags   Relevancy-0.166661839 %77 %
94Number of CSS Includes   Technology-0.1517878 %57 %
95Entities in Meta Description Tag   Relevancy-0.1510356 %72 %
96Number of H3 Tags   Size-0.1525868 %75 %
97Uses Schema name   Other-0.151165 %61 %
98LSI Words in H3 Tags   Relevancy-0.15971955 %81 %
99Variations in TITLE Attributes   Relevancy-0.1554743 %76 %
100Number of Instagram Pages   Authority-0.1515243 %71 %
101LSI Words in H1 Tags   Relevancy-0.1532567 %77 %
102Search Result Number of Dirs in Path   Other-0.154280 %67 %
103Exact Matches in A Tags   Relevancy-0.1543324 %77 %
104Percentage of DoFollow Internal Links   Authority-0.15937888 %71 %
105Number of Prices   Size-0.156755874 %73 %
106Uses Schema faqpage   Other-0.15117 %65 %
107Uses Schema question   Other-0.15117 %66 %
108Exact Matches in H1 Tags   Relevancy-0.152122 %70 %
109Uses Schema answer   Other-0.15117 %65 %
110Has Entities in H2 Tags   Relevancy-0.151155 %72 %
111Inline JavaScript Kilobytes   Size-0.153266789 %74 %
112Has Schema Markup   Relevancy-0.151170 %67 %
113Number of External Links   Authority-0.152801885 %71 %
114Variations Making Whole LI Tags   Relevancy-0.156126 %70 %
115Variations making whole A Tags   Relevancy-0.1513132 %71 %
116Variations in Search Result Summary   Relevancy-0.1541384 %59 %
117Headings Has Question   Other-0.141137 %73 %
118Variations Making Whole Span Tags   Relevancy-0.1476121 %73 %
119Uses JSON-LD name   Other-0.141157 %63 %
120Number of Questions In H2 Tags   Size-0.145123 %75 %
121Exact Matches in H2 Tags   Relevancy-0.146116 %77 %
122Variations in Article Tags   Relevancy-0.141611730 %70 %
123Variations in Strong Tags   Relevancy-0.1425230 %73 %
124Flesch Kincaid Reading Grade Level   Other-0.147394 %72 %
125Variations in Footer Tags   Relevancy-0.141185734 %72 %
126Entities in H4 Tags-0.1413223 %75 %
127Uses JSON-LD Question   Other-0.14116 %65 %
128Number of Twitter Accounts   Authority-0.144140 %68 %
129Uses JSON-LD Answer   Other-0.14116 %63 %
130Uses JSON-LD FAQPage   Other-0.14116 %65 %
131Title Has Sales Words   Other-0.141116 %64 %
132Has Entities in H1 Tags   Relevancy-0.141161 %68 %
133Has FavIcon   Technology-0.141178 %67 %
134Variations in the last 100 words   Relevancy-0.14176451 %71 %
135Uses JSON-LD text   Other-0.14117 %65 %
136Number of Nofollow Links   Authority-0.1466633 %74 %
137Title Tag Has Entities   Relevancy-0.141172 %68 %
138Number of Facebook Accounts   Authority-0.1410133 %68 %
139Variations making whole H1-H6 Tags   Relevancy-0.142118 %68 %
140Number of Questions In H3 Tags   Size-0.144116 %73 %
141Has Entities in H3 Tags   Relevancy-0.141145 %72 %
142Number of DoFollow External Links   Authority-0.142751584 %69 %
143Number of US Phone Numbers   Trust-0.141761044 %70 %
144Has Meta Charset   Technology-0.141181 %63 %
145Has Privacy Policy   Trust-0.141161 %66 %
146Leading Variations in H3 Tags   Relevancy-0.145116 %75 %
147Uses Schema text   Other-0.141111 %67 %
148Number of Social Pages   Authority-0.1320471 %69 %
149LSI Words in Meta Description Tag   Relevancy-0.13391159 %76 %
150Number of NoFollow External Links   Authority-0.1347322 %73 %
151Uses Schema breadcrumblist   Other-0.131144 %62 %
152Variations making whole H1, H2, and H3 Tags   Relevancy-0.132116 %67 %
153Title Has Sentiment Words   Other-0.131123 %62 %
154Number of Social Accounts   Authority-0.1311254 %69 %
155Uses Schema listitem   Other-0.131144 %62 %
156Uses Schema person   Other-0.131125 %52 %
157Uses Schema headline   Other-0.131123 %52 %
158Uses Schema url   Other-0.131158 %56 %
159Exact Matches in Meta Description   Relevancy-0.132117 %71 %
160Variations in H4-H6 Tags   Relevancy-0.1344221 %71 %
161Number of LinkedIn Pages   Authority-0.132127 %67 %
162Variations in Button Tags   Relevancy-0.13116527 %72 %
163Is Article Page   Other-0.131151 %54 %
164Variations in ID Attributes   Relevancy-0.13303213 %73 %
165Search Result Summary Length   Size-0.1316614895 %65 %
166Inline CSS Kilobytes   Size-0.131385466 %72 %
167Uses Schema datepublished   Other-0.131142 %50 %
168Number Of Claimed Brands   Other-0.1313224 %67 %
169Variations in I Tags   Relevancy-0.1325530 %68 %
170Is Purchase Page   Other-0.131151 %60 %
171Has US Phone Number   Trust-0.131143 %54 %
172Uses JSON-LD ListItem   Other-0.131138 %59 %
173Is OpenGraph Type Article   Technology-0.131139 %48 %
174Number of JavaScript Includes   Technology-0.13361789 %65 %
175Has Contact Page   Trust-0.131163 %56 %
176Percentage of NoFollow Links   Authority-0.1316330 %68 %
177Has Terms of Service   Trust-0.131137 %62 %
178Uses Schema description   Other-0.131151 %50 %
179Variations in Meta Twitter Description   Relevancy-0.1317120 %63 %
180Has Meta Twitter Card   Authority-0.131152 %54 %
181Number of HTML Comments   Size-0.132113579 %69 %
182Uses JSON-LD url   Other-0.131148 %59 %
183Uses Schema item   Other-0.121128 %58 %
184Uses JSON-LD BreadcrumbList   Other-0.121136 %61 %
185Uses JSON-LD headline   Other-0.121120 %53 %
186Has Canonical URL   Authority-0.121178 %65 %
187Number of H4 Tags   Size-0.1212444 %69 %
188Variations in H4 Tags   Relevancy-0.1230116 %70 %
189Variations in Meta Twitter Content   Relevancy-0.126123 %61 %
190Uses JSON-LD Person   Other-0.121122 %55 %
191Uses JSON-LD mainEntity   Other-0.12111 %15 %
192Number of HREF Lang Tags   Size-0.1266210 %68 %
193Search Result URL Length   Size-0.12946198 %44 %
194Percentage of NoFollow External Links   Authority-0.1211220 %68 %
195Number of Forms   Technology-0.1218366 %61 %
196Variations in Class Attributes   Relevancy-0.125226824 %71 %
197Is Store Page   Other-0.121148 %58 %
198Has Apple Touch Icon   Technology-0.121150 %60 %
199Number of Images without ALT Text   Size-0.12671168 %71 %
200Percentage of DoFollow Links   Authority-0.121009089 %70 %