Measures 140709 SEO Factors

138987 Built-In SEO Factors

130075 On-page SEO Factors

8912 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

TOP SEO Factors for 2022-6     previous - today - next

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

NameCorrelation#1 MaxPage 1 AvgUsage %Searches %
1Number of Top 50 Shared Factors Used   Diversity-0.37442294 %93 %
2Number of Top 100 Shared Factors Used   Diversity-0.35874596 %93 %
3Number of Factors Used   Diversity-0.3222512997 %94 %
4Number of Distinct Entities Used   Diversity-0.31722694 %76 %
5Number of Top 200 Shared Factors Used   Diversity-0.291518396 %90 %
6Variations in Body Tags   Relevancy-0.2611412153489 %91 %
7Ahrefs Rank   Authority-0.26471580 %22 %
8Variations in HTML Tags   Relevancy-0.2511531662086 %96 %
9Ahrefs Referring Class C Addresses   Authority-0.2510244655 %34 %
10Ahrefs Referring IP Addresses   Authority-0.2517126255 %34 %
11Ahrefs Domain Rating   Authority-0.24804689 %28 %
12Ahrefs Referring Domains   Authority-0.2431277955 %34 %
13Variations in Div Tags   Relevancy-0.233203828584 %93 %
14Variations in H1-H6 Tags   Relevancy-0.233321080 %89 %
15Variations in H1, H2, and H3 Tags   Relevancy-0.23261879 %89 %
16Ahrefs Text Backlinks   Authority-0.23875439858755 %34 %
17Ahrefs Backlinks   Authority-0.23875526853556 %34 %
18Ahrefs Referring Pages   Authority-0.23875528853556 %34 %
19Entities in Title Tag   Relevancy-0.237375 %71 %
20DomDetailer Moz PA   Authority-0.22684396 %35 %
21Ahrefs Word Count   Size-0.225435164072 %18 %
22Variations in A Tags   Relevancy-0.2256985179 %90 %
23Entities in H2 Tags-0.2233756 %75 %
24DomDetailer Majestic Referring Subnets   Authority-0.22688971001595 %38 %
25DomDetailer Majestic IPs   Authority-0.222754663765095 %38 %
26Variations in P Tags   Relevancy-0.2232764775 %94 %
27Ahrefs Dofollow Backlinks   Authority-0.22836387735948 %34 %
28Entities in H3 Tags-0.2129645 %74 %
29Variations in H1 and H2 Tags   Relevancy-0.21156577 %88 %
30Exact Match Position Variance-0.217086102738 %57 %
31DomDetailer Majestic Referring Domains   Authority-0.21165086024376295 %39 %
32Ahrefs NoFollow Backlinks   Authority-0.2161036112644 %33 %
33DomDetailer Moz DA   Authority-0.21833896 %35 %
34Average Exact Match Position-0.2116019231942 %63 %
35Variations in Sentences   Relevancy-0.2129413874 %92 %
36Variation Position Variance-0.218020231887 %73 %
37Clean Keyword Density in the HTML Tag   Relevancy-0.21207682 %79 %
38Ahrefs Has Text Backlinks   Authority-0.211154 %33 %
39DomDetailer Majestic CF   Authority-0.2653494 %37 %
40DomDetailer Facebook Shares   Authority-0.28874003-561775986 %38 %
41Body Tag Size Kilobytes   Size-0.22919382 %92 %
42Variations in LI Tags   Relevancy-0.221092671 %89 %
43Ahrefs Has Backlinks   Authority-0.21155 %34 %
44Variations in Search Result Display URL   Relevancy-0.215287 %79 %
45Ahrefs Has Dofollow Backlinks   Authority-0.21148 %33 %
46Variations in Search Result Link Text   Relevancy-0.215286 %79 %
47Average Variation Position-0.218177491189 %72 %
48Exact Matches in Body Tag   Relevancy-0.24141934 %87 %
49DomDetailer Majestic Links   Authority-0.275468493-7631995 %39 %
50DomDetailer Majestic TF   Authority-0.2572586 %37 %
51Page Size Kilobytes   Size-0.2119016495 %89 %
52Term Frequency   Relevancy-0.26385 %93 %
53Variations in H2 Tags   Relevancy-0.2137451 %89 %
54Exact Matches in the HTML Tag   Relevancy-0.194691838 %90 %
55Entities in Sentences   Relevancy-0.195949165 %97 %
56Leading Variations in H1-H6 Tags   Relevancy-0.1941253 %87 %
57Variations in A Tag HREF Attributes   Relevancy-0.1933866073 %88 %
58Variations in Script Tags   Relevancy-0.192468011162 %94 %
59Variations in Distinct A Tag HREF Attributes   Relevancy-0.1927254073 %89 %
60DomDetailer Moz Rank   Authority-0.199595 %33 %
61Leading Variations in H1, H2, and H3 Tags   Relevancy-0.1923250 %86 %
62LSI Words in Sentences   Relevancy-0.19370855569 %97 %
63Unabridged Word Count   Size-0.196935177295 %90 %
64Variations in ALT Attributes   Relevancy-0.19647953 %87 %
65Ahrefs Has NoFollow Backlinks   Authority-0.191143 %33 %
66Variation Density in Top 30KB   Relevancy-0.19376574 %78 %
67Variations in the Title Tag   Relevancy-0.1926278 %79 %
68Entities in the HTML Tag   Relevancy-0.19229928468 %98 %
69Clean Text Kilobytes   Size-0.19481192 %89 %
70Keywords in pages top 10 most used phrases-0.1923266 %86 %
71Number of HTML Tags   Size-0.19312692796 %89 %
72DomDetailer Moz Links   Authority-0.1960982657-20481995 %37 %
73Ahrefs Page Size   Size-0.19932943499875 %18 %
74Word Count   Size-0.194144141195 %89 %
75Ahrefs Internal Links   Authority-0.1962414771 %35 %
76Exact Match Clustering Score-0.18491737 %53 %
77Exact Matches in Top 30KB   Relevancy-0.1841432 %63 %
78Number of Sentences   Size-0.182586293 %88 %
79Keywords in pages top 5 most used phrases-0.1812256 %84 %
80Entities in Meta Description Tag   Relevancy-0.1810361 %65 %
81Ahrefs External Links   Authority-0.182482366 %33 %
82Variations in Search Result URL Path   Relevancy-0.1714260 %71 %
83Variations in Meta Description   Relevancy-0.1751262 %80 %
84Ahrefs Images   Relevancy-0.17832770 %17 %
85Ahrefs Linked Root Domains   Authority-0.1733870 %34 %
86Variations in Search Result Document File Name   Relevancy-0.178265 %60 %
87Variations in Span Tags   Relevancy-0.178661458 %90 %
88Exact Matches in H1-H6 Tags   Relevancy-0.1714228 %85 %
89Number of P Tags   Size-0.171413890 %88 %
90Has Entities in H2 Tags   Relevancy-0.171160 %68 %
91Number of HTTPS Links   Authority-0.1750115792 %84 %
92Variations in Nav Tags   Relevancy-0.17117674649 %84 %
93Number of Questions   Size-0.1794666 %83 %
94Variations in H3 Tags   Relevancy-0.17121336 %88 %
95Entities in H1 Tags-0.1718263 %62 %
96Number of Heading Tags   Size-0.17622192 %88 %
97Leading Variations in Title Tag   Relevancy-0.171137 %77 %
98Variations in H1 Tags   Relevancy-0.1721268 %76 %
99Variations in Search Result URL   Relevancy-0.1723261 %74 %
100Number of Links   Authority-0.1650216094 %85 %
101Number of Internal Links   Authority-0.1648614393 %86 %
102Number of DoFollow Links   Authority-0.1649815493 %86 %
103Number of Images with ALT Text   Size-0.16752085 %87 %
104TF/IDF   Relevancy-0.162165 %81 %
105Variations in the Canonical URL   Relevancy-0.1661258 %79 %
106Entities in H4 Tags-0.1618324 %68 %
107Keywords in pages top 3 most used phrases-0.167147 %86 %
108Variation Count in Top 30KB   Relevancy-0.1670727982 %73 %
109Title Tag Has Entities   Relevancy-0.161178 %58 %
110Variations in Absolute URLs   Relevancy-0.1657036364 %87 %
111Variations in Main Tags   Relevancy-0.16138879836 %83 %
112Number of Images   Size-0.161043091 %85 %
113Leading Variations in H1 Tags   Relevancy-0.162134 %76 %
114Ahrefs Pages   Size-0.166273 %31 %
115Number of H2 Tags   Size-0.1620778 %88 %
116Variations in OpenGraph Title   Relevancy-0.1621259 %70 %
117Variations in Search Result Summary   Relevancy-0.1676388 %73 %
118Variations in First 100 Words   Relevancy-0.16209967 %76 %
119Variations in OpenGraph Description   Relevancy-0.1648252 %74 %
120Has Entities in H3 Tags   Relevancy-0.151149 %66 %
121Leading Variations in H2 Tags   Relevancy-0.1510124 %85 %
122Number of H3 Tags   Size-0.1529868 %85 %
123Number of Questions In Headings   Size-0.157235 %30 %
124Variations in Section Tags   Relevancy-0.1521792236 %87 %
125Variation Clustering Score-0.15564186 %64 %
126Inline JavaScript Kilobytes   Size-0.153313691 %81 %
127Variations Making Whole LI Tags   Relevancy-0.156127 %77 %
128Number Of JSON-LD Types   Relevancy-0.15501056 %84 %
129Has Entities in H1 Tags   Relevancy-0.151169 %59 %
130Ahrefs Image Backlinks-0.15292652216420 %26 %
131Ahrefs Has Domain Rating   Authority-0.151187 %24 %
132Exact Matches in Sentences   Relevancy-0.1523222 %90 %
133Variations in Footer Tags   Relevancy-0.1536972235 %77 %
134Number of Absolute URLs   Authority-0.1536715093 %81 %
135Has JSON-LD Answer-0.15116 %69 %
136LSI Words in Title Tag   Relevancy-0.1516566 %92 %
137Has JSON-LD Question-0.15116 %69 %
138DomDetailer Majestic GOV Backlinks   Authority-0.1424741423325313234 %31 %
139LSI Words in H2 Tags   Relevancy-0.14811655 %95 %
140Ahrefs Has External Links   Authority-0.141166 %29 %
141Variations making whole A Tags   Relevancy-0.1411133 %80 %
142Ahrefs Has Image Backlinks   Authority-0.141120 %24 %
143Number of US Phone Numbers   Trust-0.1472835 %78 %
144Exact Match Density in Top 30KB   Relevancy-0.142117 %38 %
145Number of Questions In H2 Tags   Size-0.144123 %76 %
146Meta Description Tag Has Entities   Relevancy-0.141164 %58 %
147Exact Matches in Title Tag   Relevancy-0.142125 %84 %
148Headings Has Question   Other-0.141137 %74 %
149Variations in the last 100 words   Relevancy-0.14206654 %75 %
150Ahrefs Has Internal Links   Authority-0.141170 %30 %
151Exact Matches in A Tags   Relevancy-0.1463323 %85 %
152Ahrefs Has Linked Root Domains   Authority-0.141170 %30 %
153Has US Phone Number   Trust-0.141134 %62 %
154Search Result Summary Length   Size-0.1424515296 %74 %
155Variations in Strong Tags   Relevancy-0.14100330 %84 %
156Variations making whole H1-H6 Tags   Relevancy-0.145118 %75 %
157Head Size Kilobytes   Size-0.141304791 %75 %
158Ahrefs Has Images   Other-0.141169 %15 %
159Load Time Milliseconds   Performance-0.14140093269796 %65 %
160Variations in Article Tags   Relevancy-0.1423342331 %73 %
161Inline CSS Kilobytes   Size-0.134153464 %79 %
162Variations in I Tags   Relevancy-0.13625933 %77 %
163Number of External Links   Authority-0.13541787 %76 %
164LSI Words in H3 Tags   Relevancy-0.13921446 %93 %
165Variations in TITLE Attributes   Relevancy-0.13450835 %87 %
166Variations Making Whole Span Tags   Relevancy-0.1312120 %85 %
167Variations making whole H1, H2, and H3 Tags   Relevancy-0.134116 %74 %
168Keywords in pages most used phrase-0.133126 %79 %
169Exact Matches in H1 Tags   Relevancy-0.132120 %79 %
170Number of Prices   Size-0.135083670 %74 %
171Number of Questions In H3 Tags   Size-0.134116 %77 %
172Exact Matches in H2 Tags   Relevancy-0.138114 %86 %
173Number Of Claimed Brands   Other-0.1321218 %73 %
174Leading Variations in H3 Tags   Relevancy-0.1313116 %81 %
175Is Home Page   Other-0.131117 %35 %
176Number of DoFollow External Links   Authority-0.13441584 %72 %
177DomDetailer Facebook Comments   Authority-0.13280568 %33 %
178Variations in H4-H6 Tags   Relevancy-0.13125221 %81 %
179Ahrefs EDU Backlinks   Authority-0.13929335319 %18 %
180Search Result Number of Dirs in Path   Other-0.134285 %61 %
181Number Of JSON-LD Entity References   Relevancy-0.131215 %67 %
182Number of Instagram Pages   Authority-0.137137 %72 %
183Percentage of DoFollow Internal Links   Authority-0.13948292 %74 %
184LSI Words in Meta Description Tag   Relevancy-0.1351851 %89 %
185Variations making whole H1 Tags   Relevancy-0.131111 %71 %
186Number of Nofollow Links   Authority-0.1251637 %76 %
187Has Entities in H4 Tags   Relevancy-0.121127 %58 %
188Number of NoFollow External Links   Authority-0.1234325 %77 %
189Variations in H4 Tags   Relevancy-0.1283216 %79 %
190Exact Matches in Meta Description   Relevancy-0.122116 %82 %
191Title Has Sales Words   Other-0.121115 %68 %
192Number of HTML Comments   Size-0.122223277 %72 %
193Title Has Sentiment Words   Other-0.121115 %68 %
194Has FavIcon   Technology-0.121180 %68 %
195Word Count in Meta Description   Size-0.12862272 %73 %
196Variations in ID Attributes   Relevancy-0.122362613 %78 %
197Number of JavaScript Includes   Technology-0.12271588 %72 %
198Number of HREF Lang Tags   Size-0.1225212 %73 %
199Meta Description Length   Size-0.1251212872 %70 %
200Has Schema Markup   Relevancy-0.121168 %74 %