Measures 87656 SEO Factors

85957 Built-In SEO Factors

79133 On-page SEO Factors

6824 Google Maps SEO Factors for Local SEO

1699 SEO Factors from APIs

147 API SEO Factors for off-page SEO like backlinks and referring domains.

[ Ahrefs, SEMRush, DomDetailer, SpyFu APIs ]

1552 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 ( 45631 )
Relevancy SEO Factors ( 39036 )
Other SEO Factors ( 15655 )
Local SEO Factors ( 6685 )
Technology SEO Factors ( 1576 )
Authority SEO Factors ( 160 )
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 ( 45619 )
Keywords SEO Factors ( 29313 )
Schema SEO Factors ( 15601 )
LSI SEO Factors ( 6781 )
Local SEO Factors ( 6686 )
Entities SEO Factors ( 2928 )
Other SEO Factors ( 1679 )
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 2023-06     previous

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-0.3562687 %81 %
2Number of Unique LSI Words Used   Diversity-0.2984134690 %74 %
3Variations in HTML Tags   Relevancy-0.2681121088 %82 %
4Variations in Body Tags   Relevancy-0.2681120988 %82 %
5Entities in the HTML Tag   Relevancy-0.264319981 %82 %
6Entities in Sentences   Relevancy-0.264309780 %82 %
7Number of Top 200 Shared Factors Used   Diversity-0.25524297 %85 %
8Number of Top 100 Shared Factors Used   Diversity-0.25393197 %86 %
9Number of Unique Variations Used   Diversity-0.2527889 %79 %
10Variations in Sentences   Relevancy-0.251493880 %82 %
11Variations in P Tags   Relevancy-0.241673476 %82 %
12Variations in LI Tags   Relevancy-0.24611975 %83 %
13Variations in H1, H2, and H3 Tags   Relevancy-0.2424778 %79 %
14Variations in Div Tags   Relevancy-0.2435310986 %81 %
15Variations in H1-H6 Tags   Relevancy-0.2427879 %77 %
16Number of Top 50 Shared Factors Used   Diversity-0.24161496 %81 %
17LSI Words in Sentences   Relevancy-0.23275881679 %82 %
18Variations in A Tags   Relevancy-0.23802176 %79 %
19Number of Referring Domains   Authority-0.2324847354 %78 %
20Number of Backlinks   Authority-0.23171023563054 %76 %
21Exact Matches in the HTML Tag   Relevancy-0.221641747 %80 %
22Variations in H1 and H2 Tags   Relevancy-0.2214576 %78 %
23Number of Factors Used   Diversity-0.2238720197 %84 %
24Variations in Distinct A Tag HREF Attributes   Relevancy-0.221582870 %80 %
25Entities in H3 Tags-0.2242542 %78 %
26Term Frequency   Relevancy-0.224388 %80 %
27Entities in H2 Tags-0.2122550 %77 %
28Variations in A Tag HREF Attributes   Relevancy-0.211804271 %78 %
29Number of Do Follow Backlinks   Authority-0.21162165428846 %77 %
30Variations in Search Result Display URL   Relevancy-0.214284 %71 %
31Variations in Search Result Link Text   Relevancy-0.214284 %65 %
32Clean Text Kilobytes   Size-0.21331288 %85 %
33Word Count   Size-0.213225144891 %80 %
34Number of No Follow Backlinks   Authority-0.2150091155746 %75 %
35Exact Matches in Sentences   Relevancy-0.241533 %80 %
36Unabridged Word Count   Size-0.24278182591 %80 %
37Number of Sentences   Size-0.239410790 %77 %
38Variations in H2 Tags   Relevancy-0.211451 %78 %
39Leading Variations in H1, H2, and H3 Tags   Relevancy-0.26248 %76 %
40Entities in Title Tag   Relevancy-0.26261 %73 %
41Number of Facebook Pages   Authority-0.25265 %67 %
42Leading Variations in H1-H6 Tags   Relevancy-0.27252 %77 %
43Variations in H3 Tags   Relevancy-0.210337 %73 %
44Variation Density in Top 30KB   Relevancy-0.2297470 %82 %
45Variations in Script Tags   Relevancy-0.23374670 %78 %
46Variations in Absolute URLs   Relevancy-0.256149773 %81 %
47Number of P Tags   Size-0.19833686 %78 %
48Variations in the Title Tag   Relevancy-0.194277 %69 %
49Variations in Search Result URL Path   Relevancy-0.1910258 %75 %
50Load Time Milliseconds   Performance-0.195513144892 %80 %
51Variations in First 100 Words   Relevancy-0.191601081 %74 %
52Variations in H1 Tags   Relevancy-0.194267 %65 %
53Exact Matches in H1-H6 Tags   Relevancy-0.196234 %78 %
54Number of Questions   Size-0.1928969 %82 %
55Variations in Main Tags   Relevancy-0.182355837 %80 %
56Has JSON-LD Schema Markup   Relevancy-0.181156 %61 %
57Leading Variations in Title Tag   Relevancy-0.181138 %67 %
58Number of Includes   Technology-0.18382385 %61 %
59Search Result Domain is .com   Other-0.18113 %47 %
60LSI Words in Title Tag   Relevancy-0.1815780 %82 %
61Search Result Domain is .com, .net, or .org   Other-0.18113 %44 %
62Variations in ALT Attributes   Relevancy-0.1837755 %77 %
63Variations in Search Result Document File Name   Relevancy-0.183259 %68 %
64Variations in Nav Tags   Relevancy-0.18831948 %73 %
65Number of HTTPS Links   Authority-0.1835015685 %77 %
66Clean Keyword Density in the HTML Tag   Relevancy-0.1813480 %73 %
67Number of DoFollow Links   Authority-0.1834415586 %75 %
68LSI Words in H2 Tags   Relevancy-0.18582165 %78 %
69Number of Questions In Headings   Size-0.185235 %76 %
70Number of Links   Authority-0.1835116086 %73 %
71Variations in Search Result URL   Relevancy-0.184263 %70 %
72Variations in the Canonical URL   Relevancy-0.1845262 %73 %
73Number of Internal Links   Authority-0.1734114386 %77 %
74LSI Words in H3 Tags   Relevancy-0.17691956 %76 %
75Entities in H1 Tags-0.175250 %68 %
76Number of CSS Includes   Technology-0.1714975 %56 %
77Number of HTML Tags   Size-0.172298103090 %80 %
78Exact Matches in Title Tag   Relevancy-0.172132 %72 %
79Variations in Meta Description   Relevancy-0.176261 %72 %
80TF/IDF   Relevancy-0.171165 %76 %
81Is Home Page   Other-0.171117 %33 %
82Variation Count in Top 30KB   Relevancy-0.17832877 %75 %
83Uses Schema faqpage   Other-0.17116 %60 %
84Leading Variations in H1 Tags   Relevancy-0.171133 %68 %
85Variations in Span Tags   Relevancy-0.17451059 %76 %
86Uses Schema state   Other-0.17114 %12 %
87Uses Schema answer   Other-0.17116 %63 %
88Uses Schema question   Other-0.17116 %63 %
89Entities in H4 Tags-0.177223 %73 %
90Number of H3 Tags   Size-0.1615766 %73 %
91Page Size Kilobytes   Size-0.1663422991 %78 %
92Uses JSON-LD State   Other-0.16114 %12 %
93Exact Matches in Top 30KB   Relevancy-0.1616331 %74 %
94Uses JSON-LD Answer   Other-0.16115 %60 %
95Uses JSON-LD FAQPage   Other-0.16115 %59 %
96Exact Matches in A Tags   Relevancy-0.1620325 %75 %
97Variations in OpenGraph Title   Relevancy-0.164259 %63 %
98Uses JSON-LD Question   Other-0.16115 %60 %
99Variations Making Whole LI Tags   Relevancy-0.164125 %68 %
100Uses JSON-LD mainEntity   Other-0.16111 %15 %
101Headings Has Question   Other-0.161136 %71 %
102Variations making whole A Tags   Relevancy-0.165129 %71 %
103Number of Heading Tags   Size-0.16362087 %75 %
104Number of Images with ALT Text   Size-0.16561982 %73 %
105Entities in Meta Description Tag   Relevancy-0.168353 %71 %
106Leading Variations in H2 Tags   Relevancy-0.163123 %74 %
107LSI Words in Meta Description Tag   Relevancy-0.16251263 %70 %
108Search Result Number of Dirs in Path   Other-0.163278 %63 %
109Variations in Footer Tags   Relevancy-0.1638634 %66 %
110Exact Matches in H1 Tags   Relevancy-0.162123 %65 %
111Number Of JSON-LD Types   Relevancy-0.16321261 %76 %
112Number of Images   Size-0.16772988 %70 %
113Variations in TITLE Attributes   Relevancy-0.1646845 %76 %
114Uses JSON-LD text   Other-0.16116 %63 %
115LSI Words in H1 Tags   Relevancy-0.1618670 %74 %
116Number of Questions In H3 Tags   Size-0.163115 %67 %
117Number of Prices   Size-0.163024970 %75 %
118Number of Instagram Pages   Authority-0.1610240 %70 %
119Number of Absolute URLs   Authority-0.1649224291 %73 %
120Number of H2 Tags   Size-0.1520775 %73 %
121Has Entities in H3 Tags   Relevancy-0.151145 %75 %
122Variations in OpenGraph Description   Relevancy-0.155253 %68 %
123Number of External Links   Authority-0.15501682 %72 %
124Number of Social Pages   Authority-0.1512572 %67 %
125Has Entities in H1 Tags   Relevancy-0.151159 %70 %
126Number of Questions In H2 Tags   Size-0.153121 %75 %
127Variations in the last 100 words   Relevancy-0.15160558 %64 %
128Leading Variations in H3 Tags   Relevancy-0.153115 %68 %
129Has Entities in H2 Tags   Relevancy-0.151155 %71 %
130Inline JavaScript Kilobytes   Size-0.152615986 %77 %
131Number of DoFollow External Links   Authority-0.15441483 %70 %
132Variations in Article Tags   Relevancy-0.15951728 %67 %
133Exact Matches in H2 Tags   Relevancy-0.153116 %77 %
134Number of Facebook Accounts   Authority-0.153131 %69 %
135Title Tag Has Entities   Relevancy-0.151169 %68 %
136Variations in Strong Tags   Relevancy-0.1525332 %71 %
137Variations Making Whole Span Tags   Relevancy-0.155122 %69 %
138Exact Matches in Meta Description   Relevancy-0.152119 %69 %
139Variations in Section Tags   Relevancy-0.15771840 %71 %
140Uses Schema mainentity   Other-0.14112 %35 %
141Percentage of DoFollow Internal Links   Authority-0.14928085 %69 %
142Number of Twitter Accounts   Authority-0.142135 %71 %
143Has Terms of Service   Trust-0.141131 %54 %
144Uses JSON-LD lastReviewed   Other-0.14112 %11 %
145Average Words Per Sentence   Size-0.143285084 %62 %
146Number of US Phone Numbers   Trust-0.1451944 %70 %
147Variations in ID Attributes   Relevancy-0.146112 %67 %
148Variations in Class Attributes   Relevancy-0.1454523 %71 %
149Variations in B Tags   Relevancy-0.1422316 %65 %
150Uses JSON-LD image   Other-0.141116 %50 %
151Uses JSON-LD name   Other-0.141157 %58 %
152Uses Schema name   Other-0.141167 %64 %
153Variations making whole H1-H6 Tags   Relevancy-0.142118 %65 %
154Uses JSON-LD slogan   Other-0.14112 %12 %
155Uses Schema slogan   Other-0.14112 %12 %
156Search Result Summary Length   Size-0.1415914795 %62 %
157Number of LinkedIn Pages   Authority-0.142125 %71 %
158Uses Schema city   Other-0.14114 %19 %
159Number of Forms   Technology-0.147367 %61 %
160Meta Description Tag Has Entities   Relevancy-0.141158 %65 %
161Variations making whole H1 Tags   Relevancy-0.141111 %60 %
162Uses JSON-LD Corporation   Other-0.13112 %11 %
163Number of Social Accounts   Authority-0.134250 %69 %
164Variations in I Tags   Relevancy-0.1322633 %66 %
165Has Meta Charset   Technology-0.131181 %57 %
166Search Result Domain Length   Size-0.13241790 %58 %
167Uses JSON-LD City-0.13113 %20 %
168Search Result Host Length   Size-0.13241790 %56 %
169Exact Matches in Questions   Relevancy-0.131119 %81 %
170Number of Nofollow Links   Authority-0.1329532 %74 %
171Variations in Search Result Summary   Relevancy-0.136388 %60 %
172Is Pagination Page   Other-0.131116 %60 %
173Flesch Kincaid Reading Grade Level   Other-0.136392 %72 %
174Has Form   Technology-0.131165 %54 %
175Uses Schema headline   Other-0.131118 %45 %
176Uses Schema text   Other-0.131110 %63 %
177Uses Schema pricerange   Other-0.13118 %46 %
178Uses Schema image   Other-0.131124 %50 %
179Number of NoFollow External Links   Authority-0.1316320 %75 %
180Uses Schema corporation   Other-0.13112 %16 %
181Inline CSS Kilobytes   Size-0.131235367 %70 %
182Has Privacy Policy   Trust-0.131157 %68 %
183Variations in H4-H6 Tags   Relevancy-0.136223 %68 %
184Has Schema Markup   Relevancy-0.131172 %70 %
185Uses JSON-LD priceRange   Other-0.13117 %45 %
186Variations making whole H1, H2, and H3 Tags   Relevancy-0.132116 %67 %
187Variations in H4 Tags   Relevancy-0.135118 %66 %
188Uses JSON-LD sameAs   Other-0.13112 %46 %
189Has US Phone Number   Trust-0.131145 %57 %
190Has FavIcon   Technology-0.131177 %71 %
191Percentage of DoFollow Links   Authority-0.131009085 %71 %
192Uses Microdata acceptedAnswer   Other-0.13112 %27 %
193Uses Schema acceptedanswer   Other-0.13112 %27 %
194Variations in HTML Comment Tags   Relevancy-0.132447 %66 %
195Has Contact Page   Trust-0.131160 %57 %
196Number of H4 Tags   Size-0.139445 %62 %
197Uses Microdata Answer   Other-0.13112 %27 %
198Uses JSON-LD WebSite   Other-0.131129 %50 %
199Number Of JSON-LD Entity References   Relevancy-0.132427 %56 %
200Number of HREF Lang Tags   Size-0.1266310 %65 %