Top SEO Factors




Top SEO Factors - 2021-11-07      Previous - Next

Understanding The Top Factors Data

We measure up to 2100 possible SEO factors and we use both Spearman's and Pearson's correlation coefficients to help identify likely ranking factors that may be contributing to the sort order of the search results. To date this method has been highly successful in helping top SEOs rank pages. The factors you see in this report are the strongest correlations of the 2100 factors. We continue to measure all possible factors because we don't know which factors will stop working or which factors will start working again. We still suspect we don't know all the factors. So in general, if it is measurable and plausible we will measure it going forward.

Keywords

Any of the keyword variations, including the exact match, Google makes bold in the search results.

Search Terms

The exact match search terms you used in Google.

Entities

Any term that has a wikipedia page, GMB, MREID. These are nouns that Google's AI understands topically.

LSI Words

An industry misnomer. These tend to generally be statistically discovered entities. No two implementations of LSI are the same. SEOs use LSI words when entity recognition isn't available in their language. The lists tend to have a lot of overlap and they are used the same... just sprinkle them in your content.

Search Result

If a factor name mentions "Search Result" then that factor is measuring something about how the page is presented in the Google search results.

#1 Max Column

The maximum measurement found in the #1 position in Google.

Page 1 Avg Column

The average page 1 average across thousands of keywords in Google.

Keywords Column

The percentage of thousands of keywords that this factor was a strong correlation for.

Why are you sharing such valuable information?

We share the information because it helps our industry learn about SEO. The measurement facts about how pages in the number one rank position are tuned typically break people's belief-based assumptions about how search works. This information is very inefficient for SEO in general. People still need Cora SEO Software because the amount of each factor you need to compete will change from keyword to keyword and URL to URL. So the information in this report might be good for some keywords but it might be too little or too much for other keywords. At the end of the day SEO is about ranking efficiently, especially if you are a professional full time SEO. Tuning your page to the correct amount for your keyword competitors is the key to efficient SEO.

Some factors aren't meant to be tuned.

Some factors on this list are meant to inform us if Google is using certain algorithms or parts of algorithms. If you generally have no idea how to tune for something then skip it or go learn about it. If there are HTML tags, HTML attributes, or Schema Objects you don't know then please look them up before contacting us. W3Schools HTML Reference, Schema.org Reference


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Top SEO Factors - 2021-11-07 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1ENT000aNumber of Entities Used6025-0.30-0.6374.05%
2CPZZZNumber of Factors Used209136-0.25-0.5289.29%
3CP470Keywords in the HTML Tag38,261187-0.25-0.5295.24%
4CP061Ahrefs Referring Class C Addresses43240-0.24-0.4119.76%
5CP063Ahrefs Referring IP Addresses1,27553-0.24-0.4019.76%
6CP062Ahrefs Referring Domains1,17354-0.24-0.4019.88%
7CP059Ahrefs Rank3915-0.24-0.5016.79%
8CPX010Keywords in Div Tags22,921132-0.24-0.5195.12%
9CP067Ahrefs Text Backlinks1,191,1206,688-0.24-0.3319.52%
10CP064Ahrefs Referring Pages1,191,1236,701-0.24-0.3319.52%
11CP002Ahrefs Backlinks1,191,1246,701-0.24-0.3319.52%
12CP134Keywords in Body Tag28,871156-0.23-0.5295.12%
13CP054Ahrefs NoFollow Backlinks12,557248-0.23-0.3719.64%
14CP475Term Frequency115-0.23-0.4994.17%
15LSI002LSI Words in Sentences3,220480-0.22-0.4896.31%
16CP161Keywords in H1-H6 Tags317-0.22-0.4991.79%
17CP129Keywords in A Tags5,15830-0.22-0.4794.40%
18CP157Keywords in H1, H2, and H3 Tags276-0.22-0.4890.95%
19CP465Keywords in P Tags19630-0.22-0.4991.67%
20CP004Ahrefs Dofollow Backlinks1,187,8816,426-0.22-0.3219.29%
21CP153Keywords in H1 and H2 Tags154-0.21-0.4890.71%
22ENT003Entities in H2 Tags295-0.21-0.5070.60%
23CP127bKeywords in Unique A Tag HREFs1,62331-0.21-0.4577.86%
24ENT009Entities in Title Tag62-0.21-0.4970.00%
25CP127Keywords in A Tag HREFs2,23146-0.21-0.4592.02%
26CP375Keywords in LI Tags16917-0.21-0.4794.76%
27CP469Keywords in Sentences14221-0.21-0.4588.57%
28CP097Search Result Link Text Matches31-0.21-0.5081.55%
29CP071Search Result Display URL Matches31-0.21-0.5081.55%
30ENT018Entities in Sentences42784-0.20-0.4297.86%
31CKWD001Clean Keyword Density in the HTML Tag2034-0.20-0.4574.88%
32GD001Google Variation Density3343-0.20-0.4770.48%
33CP458Page Size Kilobytes411148-0.20-0.4988.21%
34CP135Body Tag Size Kilobytes29583-0.20-0.4791.19%
35CP165Keywords in H2 Tags123-0.20-0.4789.17%
36CPXX888Number of HTML Tags3,347912-0.19-0.4889.40%
37ENT004Entities in H3 Tags225-0.19-0.4871.19%
38CP481Keywords in Title Tag42-0.19-0.4783.21%
39CP999Search Result Path Matches41-0.19-0.4770.60%
40CP465cKeywords in script Tags5,23436-0.19-0.4792.98%
41CP160Leading Keywords in H1-H6 Tags282-0.19-0.4490.00%
42ENT001Entities in HTML Tag3,882294-0.19-0.4097.62%
43CP128Keywords in Alt Attributes638-0.19-0.4190.24%
44CP019Ahrefs Has DoFollow Backlinks11-0.19-0.5018.93%
45CP156Leading Keywords in H1, H2, and H3 Tags221-0.19-0.4389.88%
46CP492bUnabridged Word Count6,7851,714-0.19-0.4090.83%
47CP140Clean Text Kilobytes3911-0.18-0.3990.12%
48CP134aSearch Terms in Body Tag15012-0.18-0.4390.60%
49LSI001LSI Words in Title Tag145-0.18-0.4390.71%
50CP492Word Count5,1071,322-0.18-0.4090.24%
51DD010DomDetailer Majestic Referring Subnets64,41615,278-0.18-0.2729.76%
52DD006DomDetailer Majestic IPs216,63956,830-0.18-0.2630.48%
53CP471Keywords in Span Tags4269-0.18-0.4192.50%
54CP381Keywords in Meta Descriptions42-0.18-0.4585.48%
55DD008DomDetailer Majestic Referring Domains1,773,913365,617-0.18-0.2730.71%
56DD015DomDetailer Moz PA6942-0.18-0.4427.86%
57CP108Search Result Summary Length412162-0.18-0.4287.14%
58CP146Keywords in the First 100 Words2037-0.18-0.4377.74%
59GD003Google Density Variations7,75251-0.17-0.4165.24%
60CP470aSearch Terms in the HTML Tag1818-0.17-0.4187.62%
61LSI006LSI Words in H2 Tags5913-0.17-0.4291.55%
62CP425Number of HTTPS Links581150-0.17-0.4087.86%
63CP113Search Result URL Matches51-0.17-0.4379.29%
64CP124aKeywords in Absolute URLs5,62748-0.17-0.3888.45%
65CP045Ahrefs Has Text Backlinks11-0.17-0.4818.93%
66ENT008Entities in Meta Description Tag82-0.17-0.4465.71%
67CP468Number of Sentences24250-0.17-0.3883.69%
68CP048Ahrefs Image Backlinks10,403228-0.17-0.3217.74%
69CP038Ahrefs Has NoFollow Backlinks11-0.17-0.4719.05%
70DD013DomDetailer Moz DA8443-0.17-0.4027.38%
71CPXR24Number of P Tags19736-0.17-0.4182.62%
72DD005DomDetailer Majestic CF6136-0.17-0.4129.40%
73CP137Keywords in the Canonical URL41-0.17-0.4382.86%
74CP017Ahrefs Has Backlinks11-0.17-0.4718.45%
75CP431Number of Internal Links583142-0.17-0.3986.90%
76CP435Number of Links590158-0.17-0.4086.55%
77CP032Ahrefs Has Image Backlinks10-0.17-0.4416.55%
78CP152Keywords in H1 Tags131-0.17-0.4179.52%
79CPXR018Keywords in Nav Tags6,35223-0.17-0.4089.17%
80CP410Number of DoFollow Links566151-0.17-0.3986.67%
81DD012DomDetailer Majestic TF6228-0.16-0.3728.81%
82CP070Ahrefs Word Count4,4241,374-0.16-0.3713.81%
83CPXR003Number of Heading Tags5020-0.16-0.4184.52%
84CP476TF/IDF11-0.16-0.4682.14%
85DD016DomDetailer Moz Rank84-0.16-0.4027.38%
86DD002DomDetailer Facebook Shares9,819,568-367,397-0.16-0.2729.88%
87CP005Ahrefs Domain Rating7839-0.16-0.4016.19%
88CP159aSearch Terms in H1-H6 Tags101-0.16-0.4188.21%
89ENT005Entities in H4 Tags122-0.16-0.4363.93%
90CP426Number of Images9928-0.16-0.3786.90%
91ENT002Entities in H1 Tags62-0.16-0.4063.21%
92CP109Search Result Summary Text Matches62-0.16-0.4475.00%
93CP169Keywords in H3 Tags822-0.16-0.3889.64%
94CP383Keywords in Meta OpenGraph Description51-0.16-0.4081.31%
95CP484Leading Keywords in Title Tag10-0.16-0.4577.98%
96CP385Keywords in Meta OpenGraph Content31-0.16-0.4277.74%
97LSI003LSI Words in Meta Description Tag348-0.16-0.3990.60%
98CP427Number of Images with Alt Text7519-0.16-0.3887.62%
99CPX003Keywords in Main Tags12,54956-0.16-0.4485.83%
100CP151Leading Keywords in H1 Tags10-0.16-0.4281.19%
101ENT013Has Entities in H2 Tags11-0.16-0.4664.64%
102CP072Search Result Document Matches61-0.16-0.4066.31%
103QS004Number of Questions In Headings51-0.15-0.3736.19%
104DD014DomDetailer Moz Links93,672,77217,072,830-0.15-0.2530.12%
105CP391Number of Absolute URLs388135-0.15-0.3784.05%
106GD004Google Density Exact Matches422-0.15-0.3962.50%
107CPXR005Number of H2 Tags176-0.15-0.3783.69%
108DD007DomDetailer Majestic Links78,144,5327,243,682-0.15-0.1630.24%
109CP472Keywords making whole Span Tags71-0.15-0.3986.67%
110CP358Inline Javascript Kilobytes15732-0.15-0.3581.43%
111CP050Ahrefs Internal Links377100-0.15-0.3420.12%
112QS003Number of Questions274-0.15-0.3579.64%
113CP125Keywords making whole A Tags41-0.15-0.3884.52%
114CP374Keywords in the last 100 words2024-0.15-0.3879.05%
115CP164Leading Keywords in H2 Tags71-0.15-0.3986.07%
116CP483aSearch Terms in the Title Tag10-0.15-0.4177.62%
117ENT010Title Tag Has Entities11-0.15-0.4157.62%
118LSI007LSI Words in H3 Tags7213-0.15-0.3591.55%
119LSI005LSI Words in H1 Tags164-0.15-0.3587.02%
120CP376Keywords making whole LI Tags41-0.15-0.3884.88%
121CPX013Keywords in Footer Tags3,8099-0.15-0.3583.81%
122CP477Keywords in Title Attributes2638-0.15-0.3788.69%
123CP158Keywords making whole H1-H6 Tags40-0.15-0.4180.48%
124CPJLDxSANumber Of JSON-LD Types628-0.14-0.3673.10%
125CP126aSearch Terms in A Tags392-0.14-0.3787.26%
126CPXR006Number of H3 Tags297-0.14-0.3385.36%
127CP467Keywords in Section Tags89015-0.14-0.3982.86%
128CP177Keywords in H4-H6 Tags431-0.14-0.3681.67%
129CP413Number of External Links5716-0.14-0.3178.69%
130CP007Ahrefs External Links10618-0.14-0.3218.93%
131DD011DomDetailer Majestic Referring .gov Links20,924,4443,701,635-0.14-0.2728.33%
132CP173Keywords in H4 Tags351-0.14-0.3781.67%
133CP154Keywords making whole H1, H2, and H3 Tags10-0.14-0.3980.12%
134ENT014Has Entities in H3 Tags10-0.14-0.4262.98%
135CP473Keywords in Strong Tags972-0.14-0.3778.69%
136CP353Head Size Kilobytes11939-0.14-0.3377.14%
137CP056Ahrefs Pages61-0.14-0.3018.81%
138CP057Ahrefs Page Size81,04928,827-0.14-0.3113.10%
139QS012Headings Has Question10-0.13-0.4173.57%
140ENT012Has Entities in H1 Tags11-0.13-0.4057.98%
141CP130Keywords in Article Tags14817-0.13-0.3973.57%
142CP380Meta Description Length393127-0.13-0.3373.10%
143CP357Inline CSS Kilobytes7426-0.13-0.3678.21%
144CP469aSearch Terms in Sentences181-0.13-0.3387.38%
145CP114Search Result Uses HTTPS11-0.13-0.3968.57%
146CP049Ahrefs Images7021-0.13-0.3213.45%
147CP481bWord Count in Meta Description Tag7020-0.13-0.3373.69%
148ENT011Meta Description Tag Has Entities11-0.13-0.4057.74%
149CP409Number of DoFollow External Links4914-0.13-0.2876.43%
150CP213Has FavIcon11-0.13-0.3969.40%
151QS006Number of Questions In H2 Tags20-0.13-0.3476.31%
152CP052Ahrefs Linked Root Domains146-0.13-0.3320.00%
153ENT015Has Entities in H4 Tags10-0.13-0.3955.24%
154CP104zSearch Result Has Publish Date11-0.13-0.403.93%
155CP150aSearch Terms in H1 Tags10-0.13-0.3577.74%
156CP139Keywords in Class Attributes6,49112-0.13-0.3482.02%
157CP168Leading Keywords in H3 Tags131-0.13-0.3582.38%
158CP440Number of NoFollow Links346-0.13-0.3080.48%
159CP355Keywords in ID Attributes4891-0.13-0.3483.93%
160CP377Load Time Milliseconds28,8912,495-0.13-0.2671.43%
161CP099Search Result Number of Dirs in Path32-0.13-0.3361.07%
162CP077Search Result Domain Matches50-0.12-0.3649.05%
163DD001DomDetailer Facebook Comments30129-0.12-0.3223.93%
164CPJLD011Has JSON-LD Answer10-0.12-0.3855.48%
165CP444Number of Social Accounts41-0.12-0.3272.50%
166CPJLD217Has JSON-LD Question10-0.12-0.3855.24%
167CPXR007Number of H4 Tags224-0.12-0.3178.10%
168CP451Number of US Phone Numbers1427-0.12-0.3275.60%
169CP460Percentage of DoFollow Internal Links9480-0.12-0.3271.90%
170CP313Has Privacy Policy11-0.12-0.3773.93%
171LSI008LSI Words in H4 Tags446-0.12-0.3284.52%
172QS007Number of Questions In H3 Tags31-0.12-0.3374.52%
173CP150a2Search Terms in H2 Tags70-0.12-0.3485.60%
174CPJLDxCBNumber Of Claimed Brands71-0.12-0.3564.29%
175CP356Keywords in I Tags802-0.12-0.3378.21%
176CP060Ahrefs Redirects46310-0.12-0.3017.02%
177CP176Leading Keywords in H4-H6 Tags70-0.12-0.3475.95%
178CP309Has OpenGraph Image11-0.12-0.3761.43%
179CP445Number of Social Pages133-0.12-0.2773.33%
180CPXR011Keywords in Button Tags3901-0.12-0.3579.64%
181CP432Number of JavaScript Includes3014-0.12-0.3067.62%
182CP424Number of HREF Lang Tags122-0.12-0.3474.76%
183CP034Ahrefs Has Internal Links11-0.12-0.3817.38%
184CP006Ahrefs Edu Backlinks47,565314-0.12-0.2913.45%
185CP149Keywords making whole H1 Tags10-0.12-0.3578.21%
186CP439Number of NoFollow Externa Links163-0.12-0.3280.48%
187CP454Number of YouTube Accounts20-0.12-0.3369.64%
188CP415Number of FaceBook Pages82-0.12-0.2871.67%
189CPJLD007Has JSON-LD AggregateRating10-0.12-0.3860.24%
190CP204Has Canonical URL11-0.12-0.3672.74%
191CP022Ahrefs Has External Links11-0.12-0.3716.79%
192CP225Has Meta Description11-0.12-0.3667.14%
193CP418Number of Forms152-0.12-0.3172.26%
194CP381aSearch Terms in Meta Descriptions10-0.12-0.3482.38%
195CP428Number of Images without Alt Text3810-0.12-0.2877.74%
196CP430Number of Instagram Pages141-0.12-0.2775.60%
197CP491Keywords in Value Attributes341-0.12-0.3272.38%
198CP172Leading Keywords in H4 Tags50-0.12-0.3574.40%
199CP479iiTitle Has Sentiment Words10-0.12-0.3471.55%
200CP207Has Contact Page11-0.12-0.3661.90%


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