Top SEO Factors




Top SEO Factors - 2021-10-24      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 - 2021-10-24 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1ENT000aNumber of Entities Used5928-0.30-0.6453.48%
2CPZZZNumber of Factors Used211136-0.24-0.4989.95%
3CP470Keywords in the HTML Tag60,781319-0.24-0.5294.28%
4CPX010Keywords in Div Tags39,182227-0.23-0.5193.82%
5CP475Term Frequency115-0.22-0.4891.96%
6CP134Keywords in Body Tag54,957275-0.22-0.5095.21%
7CP465Keywords in P Tags3,74043-0.22-0.5089.80%
8CP129Keywords in A Tags6,31740-0.21-0.4592.74%
9CP161Keywords in H1-H6 Tags2798-0.21-0.4692.74%
10CP061Ahrefs Referring Class C Addresses20933-0.21-0.3231.84%
11CP127bKeywords in Unique A Tag HREFs5,29546-0.21-0.4468.47%
12CP157Keywords in H1, H2, and H3 Tags2017-0.21-0.4692.27%
13ENT003Entities in H2 Tags305-0.21-0.4951.47%
14CP062Ahrefs Referring Domains78349-0.21-0.3131.84%
15CP063Ahrefs Referring IP Addresses26340-0.21-0.3131.84%
16ENT009Entities in Title Tag62-0.21-0.4950.23%
17CP127Keywords in A Tag HREFs3,13354-0.21-0.4591.65%
18CP469Keywords in Sentences3,17531-0.20-0.4689.95%
19CP071Search Result Display URL Matches31-0.20-0.4976.97%
20CP097Search Result Link Text Matches31-0.20-0.4877.13%
21CP067Ahrefs Text Backlinks77,2831,979-0.20-0.2632.30%
22CP153Keywords in H1 and H2 Tags954-0.20-0.4690.88%
23CP054Ahrefs NoFollow Backlinks10,378188-0.20-0.3132.15%
24CP375Keywords in LI Tags1,66222-0.20-0.4593.97%
25ENT004Entities in H3 Tags205-0.20-0.4751.31%
26CP002Ahrefs Backlinks77,3171,987-0.20-0.2632.30%
27CP064Ahrefs Referring Pages77,3171,987-0.20-0.2632.30%
28CP059Ahrefs Rank3214-0.20-0.4127.36%
29GD001Google Variation Density3214-0.19-0.4664.76%
30LSI002LSI Words in Sentences3,220450-0.19-0.4193.66%
31CP458Page Size Kilobytes480145-0.19-0.4883.93%
32CP135Body Tag Size Kilobytes28180-0.19-0.4590.11%
33CP999Search Result Path Matches42-0.19-0.4773.57%
34CKWD001Clean Keyword Density in the HTML Tag2025-0.19-0.4372.95%
35CP481Keywords in Title Tag152-0.19-0.4580.22%
36CPXX888Number of HTML Tags3,347872-0.19-0.4685.16%
37CP140Clean Text Kilobytes3311-0.19-0.4186.09%
38CP160Leading Keywords in H1-H6 Tags362-0.19-0.4486.40%
39CP165Keywords in H2 Tags823-0.18-0.4588.41%
40CP492bUnabridged Word Count4,7901,743-0.18-0.4187.94%
41CP492Word Count3,8471,358-0.18-0.4287.17%
42CP465cKeywords in script Tags34,268113-0.18-0.4593.20%
43CP108Search Result Summary Length353165-0.18-0.4483.62%
44CP128Keywords in Alt Attributes1808-0.18-0.4087.17%
45CP113Search Result URL Matches102-0.18-0.4575.89%
46CP471Keywords in Span Tags1,62113-0.18-0.4089.95%
47CP156Leading Keywords in H1, H2, and H3 Tags252-0.18-0.4386.40%
48CP137Keywords in the Canonical URL392-0.18-0.4582.38%
49CP134aSearch Terms in Body Tag12811-0.18-0.4190.57%
50CP004Ahrefs Dofollow Backlinks75,9191,846-0.17-0.2430.91%
51CP468Number of Sentences14851-0.17-0.3982.53%
52CPXR24Number of P Tags12437-0.17-0.4282.53%
53CP381Keywords in Meta Descriptions462-0.17-0.4384.08%
54CP124aKeywords in Absolute URLs13,71170-0.17-0.4089.49%
55GD003Google Density Variations7,57582-0.17-0.4260.43%
56CPXR018Keywords in Nav Tags5,19033-0.17-0.4087.48%
57CP470aSearch Terms in the HTML Tag1487-0.17-0.4086.09%
58CP146Keywords in the First 100 Words2078-0.17-0.4080.53%
59CP425Number of HTTPS Links419140-0.17-0.3985.78%
60CP435Number of Links422147-0.16-0.3983.93%
61ENT008Entities in Meta Description Tag73-0.16-0.4346.52%
62CP431Number of Internal Links400131-0.16-0.3884.54%
63CP410Number of DoFollow Links415141-0.16-0.3883.77%
64CPXR003Number of Heading Tags4721-0.16-0.4085.01%
65ENT005Entities in H4 Tags92-0.16-0.4349.15%
66CP426Number of Images8127-0.16-0.3783.93%
67CP169Keywords in H3 Tags1063-0.16-0.3986.71%
68CP476TF/IDF11-0.16-0.4580.83%
69DD010DomDetailer Majestic Referring Subnets39,60611,697-0.16-0.2025.50%
70CP152Keywords in H1 Tags151-0.16-0.3978.05%
71CP038Ahrefs Has NoFollow Backlinks11-0.16-0.4431.68%
72DD006DomDetailer Majestic IPs171,37743,436-0.16-0.1926.28%
73DD008DomDetailer Majestic Referring Domains1,314,298280,067-0.16-0.2026.28%
74CP385Keywords in Meta OpenGraph Content131-0.16-0.4377.28%
75CP072Search Result Document Matches61-0.16-0.4170.48%
76CP383Keywords in Meta OpenGraph Description522-0.16-0.4080.37%
77CP427Number of Images with Alt Text6918-0.16-0.3684.54%
78CP045Ahrefs Has Text Backlinks11-0.16-0.4331.38%
79CP484Leading Keywords in Title Tag10-0.15-0.4377.13%
80LSI001LSI Words in Title Tag144-0.15-0.3690.73%
81QS003Number of Questions255-0.15-0.3780.37%
82CP017Ahrefs Has Backlinks11-0.15-0.4330.91%
83ENT018Entities in Sentences52477-0.15-0.3295.21%
84CP159aSearch Terms in H1-H6 Tags81-0.15-0.3987.17%
85CPJLDxSANumber Of JSON-LD Types248-0.15-0.3761.98%
86CP391Number of Absolute URLs435132-0.15-0.3781.76%
87DD015DomDetailer Moz PA6439-0.15-0.3623.65%
88CPXR005Number of H2 Tags156-0.15-0.3783.15%
89CP374Keywords in the last 100 words2035-0.15-0.3978.52%
90ENT002Entities in H1 Tags42-0.15-0.3845.60%
91CP019Ahrefs Has DoFollow Backlinks10-0.15-0.4130.29%
92CP109Search Result Summary Text Matches553-0.15-0.4273.26%
93CPX003Keywords in Main Tags8,93666-0.15-0.4387.17%
94GD004Google Density Exact Matches453-0.15-0.3952.40%
95CP151Leading Keywords in H1 Tags10-0.15-0.4076.66%
96CP358Inline Javascript Kilobytes13331-0.15-0.3579.91%
97CPXR006Number of H3 Tags297-0.15-0.3382.84%
98CP472Keywords making whole Span Tags71-0.15-0.3781.92%
99LSI006LSI Words in H2 Tags7811-0.15-0.3691.50%
100CP005Ahrefs Domain Rating7834-0.14-0.3426.43%
101DD002DomDetailer Facebook Shares4,552,219-2,752,228-0.14-0.2224.88%
102CP477Keywords in Title Attributes3187-0.14-0.3886.09%
103CP104zSearch Result Has Publish Date11-0.14-0.449.12%
104CP164Leading Keywords in H2 Tags91-0.14-0.3883.31%
105QS004Number of Questions In Headings51-0.14-0.3235.09%
106DD005DomDetailer Majestic CF5733-0.14-0.3424.57%
107ENT013Has Entities in H2 Tags11-0.14-0.4347.30%
108DD013DomDetailer Moz DA7639-0.14-0.3222.87%
109CPX013Keywords in Footer Tags2,42815-0.14-0.3383.77%
110DD012DomDetailer Majestic TF6025-0.14-0.3223.65%
111ENT001Entities in HTML Tag1,893257-0.14-0.3094.90%
112CP125Keywords making whole A Tags41-0.14-0.3582.84%
113CP473Keywords in Strong Tags1503-0.14-0.3583.15%
114CP130Keywords in Article Tags2,04619-0.14-0.4077.74%
115CP469aSearch Terms in Sentences212-0.14-0.3586.24%
116CP413Number of External Links5616-0.14-0.2976.35%
117CP126aSearch Terms in A Tags372-0.14-0.3686.40%
118CP355Keywords in ID Attributes3912-0.13-0.3781.61%
119CP483aSearch Terms in the Title Tag10-0.13-0.3879.44%
120QS012Headings Has Question10-0.13-0.4172.64%
121CP158Keywords making whole H1-H6 Tags40-0.13-0.3874.50%
122CP467Keywords in Section Tags1,88321-0.13-0.3885.16%
123DD016DomDetailer Moz Rank84-0.13-0.3123.03%
124CP213Has FavIcon11-0.13-0.4069.55%
125CP050Ahrefs Internal Links34884-0.13-0.2932.61%
126DD007DomDetailer Majestic Links66,452,5392,494,839-0.13-0.1726.28%
127DD014DomDetailer Moz Links69,039,67212,898,662-0.13-0.2125.04%
128QS006Number of Questions In H2 Tags21-0.13-0.3476.82%
129CP357Inline CSS Kilobytes8126-0.13-0.3476.97%
130CP177Keywords in H4-H6 Tags791-0.13-0.3583.31%
131CP139Keywords in Class Attributes12,42538-0.13-0.3583.77%
132CP376Keywords making whole LI Tags31-0.13-0.3583.00%
133CP353Head Size Kilobytes13039-0.13-0.3278.36%
134CP173Keywords in H4 Tags571-0.13-0.3683.15%
135LSI003LSI Words in Meta Description Tag297-0.13-0.3188.56%
136CP168Leading Keywords in H3 Tags151-0.13-0.3680.53%
137CP048Ahrefs Image Backlinks10,403267-0.13-0.2728.28%
138QS007Number of Questions In H3 Tags31-0.13-0.3476.82%
139CP032Ahrefs Has Image Backlinks10-0.13-0.3625.97%
140CP409Number of DoFollow External Links4314-0.13-0.2572.64%
141LSI007LSI Words in H3 Tags12011-0.13-0.3090.57%
142ENT014Has Entities in H3 Tags11-0.13-0.3947.45%
143CP377Load Time Milliseconds28,8912,245-0.13-0.2771.41%
144CP154Keywords making whole H1, H2, and H3 Tags20-0.13-0.3775.12%
145ENT010Title Tag Has Entities11-0.13-0.3840.65%
146CP099Search Result Number of Dirs in Path32-0.13-0.3259.04%
147CP077Search Result Domain Matches50-0.13-0.3747.76%
148CP007Ahrefs External Links10616-0.13-0.2830.76%
149CP380Meta Description Length393128-0.13-0.3173.57%
150CP440Number of NoFollow Links466-0.13-0.3177.43%
151CP313Has Privacy Policy11-0.12-0.3874.96%
152CP052Ahrefs Linked Root Domains166-0.12-0.3031.22%
153CP479iiTitle Has Sentiment Words10-0.12-0.3870.32%
154CP114Search Result Uses HTTPS11-0.12-0.3564.45%
155ENT012Has Entities in H1 Tags11-0.12-0.3842.19%
156CP479Title Has Sales Words10-0.12-0.3769.86%
157LSI005LSI Words in H1 Tags173-0.12-0.2885.01%
158CP434Number of LinkedIn Pages20-0.12-0.3470.32%
159CP460Percentage of DoFollow Internal Links9480-0.12-0.3071.25%
160CP356Keywords in I Tags952-0.12-0.3476.66%
161CP451Number of US Phone Numbers856-0.12-0.3276.82%
162CPJLD011Has JSON-LD Answer10-0.12-0.3864.45%
163CPXR007Number of H4 Tags214-0.12-0.3281.92%
164CPXR011Keywords in Button Tags1,3703-0.12-0.3680.83%
165CP444Number of Social Accounts31-0.12-0.3174.50%
166CPJLD217Has JSON-LD Question10-0.12-0.3864.91%
167CP481bWord Count in Meta Description Tag7020-0.12-0.3074.50%
168CP172Leading Keywords in H4 Tags80-0.12-0.3574.81%
169CP439Number of NoFollow Externa Links233-0.12-0.3279.75%
170CP150a2Search Terms in H2 Tags40-0.12-0.3486.09%
171CP414Number of Facebook Accounts21-0.12-0.3369.24%
172ENT011Meta Description Tag Has Entities11-0.12-0.3741.73%
173CP207Has Contact Page11-0.12-0.3760.74%
174CPJLDxCBNumber Of Claimed Brands61-0.12-0.3455.02%
175CP445Number of Social Pages93-0.12-0.2572.33%
176CP176Leading Keywords in H4-H6 Tags110-0.12-0.3477.13%
177CP424Number of HREF Lang Tags111-0.12-0.3376.35%
178CP070Ahrefs Word Count4,4241,256-0.12-0.2715.15%
179CP096Search Result Link Text Length7350-0.12-0.3360.12%
180CP056Ahrefs Pages61-0.12-0.2630.76%
181CP150aSearch Terms in H1 Tags10-0.12-0.3278.21%
182CP104bSearch Result Publish Date2,002,394,6781,919,218,815-0.12-0.3741.42%
183CP309Has OpenGraph Image11-0.12-0.3762.75%
184ENT015Has Entities in H4 Tags10-0.12-0.3641.89%
185CP418Number of Forms92-0.12-0.3070.63%
186CP133Keywords in B Tags2012-0.11-0.3275.58%
187DD011DomDetailer Majestic Referring .gov Links16,846,8992,896,338-0.11-0.2024.42%
188CP225Has Meta Description11-0.11-0.3569.09%
189CP354Keywords in Host Citations1,2518-0.11-0.3178.21%
190CP449Number of Twitter Accounts21-0.11-0.3073.11%
191CP345Has Terms of Service10-0.11-0.3570.32%
192CP480Title Length8157-0.11-0.3061.36%
193CP208Has Copyright11-0.11-0.3568.78%
194CP432Number of JavaScript Includes3014-0.11-0.2870.79%
195CP204Has Canonical URL11-0.11-0.3573.26%
196CPXR015Keywords in Figure Tags9927-0.11-0.3373.72%
197CPJLD007Has JSON-LD AggregateRating10-0.11-0.3757.34%
198CP428Number of Images without Alt Text269-0.11-0.2876.20%
199CPJLD122Has JSON-LD ImageObject10-0.11-0.3760.90%
200CP430Number of Instagram Pages51-0.11-0.2672.80%


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