Top SEO Factors




Top SEO Factors - 2021-11-20      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 - 2021-11-20 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1ENT000aNumber of Entities Used7326-0.30-0.6376.78%
2CPZZZNumber of Factors Used205135-0.26-0.5290.19%
3CP470Keywords in the HTML Tag38,261221-0.24-0.5296.02%
4CP061Ahrefs Referring Class C Addresses1,26061-0.24-0.4217.95%
5CP062Ahrefs Referring Domains2,77597-0.24-0.4018.04%
6CP054Ahrefs NoFollow Backlinks128,2582,049-0.24-0.3817.67%
7CP063Ahrefs Referring IP Addresses2,25290-0.24-0.4117.95%
8CP067Ahrefs Text Backlinks1,191,1209,518-0.24-0.3417.85%
9CP064Ahrefs Referring Pages1,191,1239,521-0.23-0.3317.85%
10CP002Ahrefs Backlinks1,191,1249,521-0.23-0.3317.85%
11CP059Ahrefs Rank3916-0.23-0.4915.08%
12CP134Keywords in Body Tag29,333187-0.23-0.5295.47%
13CPX010Keywords in Div Tags22,921149-0.23-0.5195.28%
14CP475Term Frequency115-0.23-0.5094.91%
15LSI002LSI Words in Sentences2,731500-0.22-0.4896.76%
16CP129Keywords in A Tags5,15836-0.22-0.4796.21%
17ENT009Entities in Title Tag62-0.22-0.5172.25%
18CP161Keywords in H1-H6 Tags1508-0.22-0.4892.51%
19CP157Keywords in H1, H2, and H3 Tags1036-0.22-0.4892.23%
20CP465Keywords in P Tags2,18633-0.22-0.4993.52%
21CP004Ahrefs Dofollow Backlinks1,187,8817,206-0.21-0.3317.48%
22ENT003Entities in H2 Tags295-0.21-0.5174.01%
23CP097Search Result Link Text Matches71-0.21-0.5180.11%
24CP071Search Result Display URL Matches71-0.21-0.5180.11%
25CP153Keywords in H1 and H2 Tags424-0.21-0.4890.29%
26ENT018Entities in Sentences56287-0.21-0.4598.15%
27CP469Keywords in Sentences14221-0.21-0.4589.27%
28CP135Body Tag Size Kilobytes30786-0.21-0.4891.30%
29CP375Keywords in LI Tags97119-0.21-0.4895.10%
30CP127bKeywords in Unique A Tag HREFs1,70235-0.20-0.4580.57%
31CP127Keywords in A Tag HREFs2,43450-0.20-0.4493.25%
32CKWD001Clean Keyword Density in the HTML Tag2044-0.20-0.4677.52%
33CP465cKeywords in script Tags5,79849-0.20-0.4792.88%
34ENT001Entities in HTML Tag3,882310-0.20-0.4297.59%
35CP458Page Size Kilobytes411152-0.20-0.4886.68%
36CP481Keywords in Title Tag82-0.19-0.4780.48%
37CP165Keywords in H2 Tags503-0.19-0.4789.64%
38ENT004Entities in H3 Tags245-0.19-0.4874.56%
39CPXX888Number of HTML Tags2,937915-0.19-0.4787.33%
40DD010DomDetailer Majestic Referring Subnets64,41615,170-0.19-0.2428.12%
41GD001Google Variation Density3393-0.19-0.4573.27%
42CP492bUnabridged Word Count6,7851,677-0.19-0.4190.10%
43DD006DomDetailer Majestic IPs248,22457,564-0.19-0.2428.77%
44CP160Leading Keywords in H1-H6 Tags312-0.19-0.4390.84%
45CP140Clean Text Kilobytes3911-0.19-0.4090.10%
46DD015DomDetailer Moz PA6942-0.19-0.4525.99%
47CP999Search Result Path Matches141-0.18-0.4572.25%
48CP492Word Count5,1071,307-0.18-0.4188.53%
49LSI001LSI Words in Title Tag145-0.18-0.4390.38%
50DD008DomDetailer Majestic Referring Domains1,796,281375,779-0.18-0.2429.14%
51DD013DomDetailer Moz DA8442-0.18-0.4125.07%
52CP019Ahrefs Has DoFollow Backlinks11-0.18-0.4816.65%
53CP156Leading Keywords in H1, H2, and H3 Tags232-0.18-0.4390.47%
54CP134aSearch Terms in Body Tag21412-0.18-0.4290.56%
55DD005DomDetailer Majestic CF6136-0.18-0.4228.03%
56CP381Keywords in Meta Descriptions932-0.18-0.4583.72%
57CP128Keywords in Alt Attributes2157-0.18-0.4091.21%
58CP471Keywords in Span Tags42610-0.18-0.4192.04%
59ENT008Entities in Meta Description Tag1083-0.18-0.4568.18%
60CP146Keywords in the First 100 Words2077-0.18-0.4478.26%
61DD012DomDetailer Majestic TF6228-0.18-0.3927.47%
62CP070Ahrefs Word Count4,4241,404-0.18-0.3912.86%
63CP425Number of HTTPS Links581151-0.17-0.4085.85%
64CP108Search Result Summary Length412161-0.17-0.4287.79%
65CP470aSearch Terms in the HTML Tag2149-0.17-0.4185.38%
66CP124aKeywords in Absolute URLs9,07261-0.17-0.3987.97%
67DD002DomDetailer Facebook Shares9,819,56847,009-0.17-0.2627.94%
68CP045Ahrefs Has Text Backlinks11-0.17-0.4716.93%
69DD007DomDetailer Majestic Links99,759,6468,618,157-0.17-0.1928.31%
70LSI006LSI Words in H2 Tags6313-0.17-0.4192.23%
71CP038Ahrefs Has NoFollow Backlinks11-0.17-0.4616.84%
72DD016DomDetailer Moz Rank84-0.17-0.4124.61%
73CP431Number of Internal Links583139-0.17-0.3985.66%
74CP017Ahrefs Has Backlinks11-0.17-0.4616.84%
75ENT002Entities in H1 Tags62-0.17-0.4265.86%
76CP109Search Result Summary Text Matches213-0.17-0.4678.26%
77GD003Google Density Variations7,75265-0.17-0.4067.90%
78CP032Ahrefs Has Image Backlinks10-0.17-0.4415.08%
79CP468Number of Sentences24249-0.17-0.3882.89%
80CP435Number of Links590156-0.17-0.3985.20%
81CP137Keywords in the Canonical URL51-0.17-0.4382.42%
82CP152Keywords in H1 Tags131-0.17-0.4177.89%
83CPXR018Keywords in Nav Tags6,45432-0.17-0.4190.29%
84CP048Ahrefs Image Backlinks119,7501,982-0.17-0.3316.19%
85CP410Number of DoFollow Links566150-0.17-0.3985.29%
86CP476TF/IDF11-0.16-0.4681.50%
87CP113Search Result URL Matches211-0.16-0.4178.82%
88ENT005Entities in H4 Tags132-0.16-0.4467.72%
89CPXR24Number of P Tags19736-0.16-0.3982.89%
90CP005Ahrefs Domain Rating7840-0.16-0.4013.97%
91CP159aSearch Terms in H1-H6 Tags111-0.16-0.4187.88%
92DD014DomDetailer Moz Links93,672,77217,893,606-0.16-0.2327.84%
93ENT013Has Entities in H2 Tags11-0.16-0.4665.96%
94QS004Number of Questions In Headings61-0.16-0.4040.98%
95CP383Keywords in Meta OpenGraph Description922-0.16-0.4178.54%
96ENT010Title Tag Has Entities11-0.16-0.4359.85%
97CPX003Keywords in Main Tags15,49081-0.16-0.4486.59%
98CP169Keywords in H3 Tags822-0.16-0.3890.75%
99CPXR003Number of Heading Tags5321-0.16-0.3984.00%
100LSI003LSI Words in Meta Description Tag3498-0.16-0.3990.19%
101CP385Keywords in Meta OpenGraph Content111-0.15-0.4274.84%
102CP484Leading Keywords in Title Tag10-0.15-0.4575.67%
103CP057Ahrefs Page Size81,04930,488-0.15-0.3412.03%
104CP151Leading Keywords in H1 Tags10-0.15-0.4277.98%
105CP426Number of Images9929-0.15-0.3584.46%
106CP358Inline Javascript Kilobytes15734-0.15-0.3481.50%
107CP072Search Result Document Matches131-0.15-0.4066.51%
108CP050Ahrefs Internal Links384100-0.15-0.3317.95%
109CP391Number of Absolute URLs434138-0.15-0.3681.41%
110QS003Number of Questions274-0.15-0.3579.19%
111CP472Keywords making whole Span Tags71-0.15-0.3984.83%
112CP427Number of Images with Alt Text7519-0.15-0.3586.03%
113LSI005LSI Words in H1 Tags174-0.15-0.3685.85%
114CP125Keywords making whole A Tags41-0.15-0.3883.53%
115CP164Leading Keywords in H2 Tags81-0.15-0.3986.22%
116CP467Keywords in Section Tags89015-0.15-0.4183.72%
117CP374Keywords in the last 100 words2024-0.15-0.3778.54%
118CP376Keywords making whole LI Tags41-0.15-0.3882.42%
119ENT012Has Entities in H1 Tags11-0.14-0.4259.94%
120LSI007LSI Words in H3 Tags7013-0.14-0.3591.77%
121GD004Google Density Exact Matches412-0.14-0.3664.11%
122ENT014Has Entities in H3 Tags10-0.14-0.4363.55%
123CPX013Keywords in Footer Tags3,80913-0.14-0.3683.72%
124CP483aSearch Terms in the Title Tag20-0.14-0.4078.91%
125CP477Keywords in Title Attributes2638-0.14-0.3688.07%
126CP007Ahrefs External Links10619-0.14-0.3017.30%
127CPXR005Number of H2 Tags176-0.14-0.3585.01%
128CPJLDxSANumber Of JSON-LD Types1219-0.14-0.3773.17%
129CP158Keywords making whole H1-H6 Tags30-0.14-0.4077.89%
130CP049Ahrefs Images7021-0.14-0.3412.12%
131DD011DomDetailer Majestic Referring .gov Links20,976,5833,906,327-0.14-0.2625.62%
132CP056Ahrefs Pages52-0.14-0.3016.84%
133CP177Keywords in H4-H6 Tags431-0.14-0.3681.59%
134CP126aSearch Terms in A Tags642-0.14-0.3587.42%
135CP353Head Size Kilobytes11940-0.14-0.3474.10%
136CP473Keywords in Strong Tags1133-0.14-0.3778.91%
137CP173Keywords in H4 Tags351-0.14-0.3682.89%
138ENT011Meta Description Tag Has Entities11-0.14-0.4058.74%
139CP154Keywords making whole H1, H2, and H3 Tags20-0.14-0.3976.97%
140CPXR006Number of H3 Tags257-0.14-0.3383.81%
141CP052Ahrefs Linked Root Domains207-0.13-0.3318.59%
142CP357Inline CSS Kilobytes7427-0.13-0.3577.43%
143CP377Load Time Milliseconds35,9552,391-0.13-0.2770.40%
144CP413Number of External Links7217-0.13-0.3175.39%
145ENT015Has Entities in H4 Tags10-0.13-0.4057.54%
146QS012Headings Has Question10-0.13-0.4073.27%
147CP130Keywords in Article Tags1,49021-0.13-0.3873.82%
148CP168Leading Keywords in H3 Tags131-0.13-0.3584.18%
149CP469aSearch Terms in Sentences251-0.13-0.3286.68%
150CP034Ahrefs Has Internal Links11-0.13-0.4015.73%
151CP022Ahrefs Has External Links11-0.13-0.3915.45%
152CP451Number of US Phone Numbers1427-0.13-0.3276.97%
153CP409Number of DoFollow External Links6915-0.13-0.2971.97%
154CP440Number of NoFollow Links326-0.13-0.3180.76%
155CP213Has FavIcon11-0.13-0.3869.47%
156CPXR007Number of H4 Tags314-0.13-0.3376.60%
157CP380Meta Description Length3,814131-0.13-0.3272.34%
158CP481bWord Count in Meta Description Tag60121-0.13-0.3371.88%
159DD001DomDetailer Facebook Comments26622-0.13-0.3020.17%
160CP099Search Result Number of Dirs in Path42-0.13-0.3460.41%
161QS006Number of Questions In H2 Tags30-0.13-0.3476.04%
162CPJLD011Has JSON-LD Answer10-0.12-0.3954.95%
163CPJLD217Has JSON-LD Question10-0.12-0.3954.76%
164CP139Keywords in Class Attributes6,49119-0.12-0.3481.04%
165QS007Number of Questions In H3 Tags30-0.12-0.3474.56%
166CP036Ahrefs Has Linked Root Domains11-0.12-0.3815.91%
167CP355Keywords in ID Attributes7162-0.12-0.3382.24%
168CP424Number of HREF Lang Tags142-0.12-0.3474.01%
169CP319Has Schema Markup11-0.12-0.3970.40%
170CP428Number of Images without Alt Text3810-0.12-0.2975.30%
171CP150aSearch Terms in H1 Tags10-0.12-0.3477.80%
172CP176Leading Keywords in H4-H6 Tags80-0.12-0.3575.39%
173LSI008LSI Words in H4 Tags456-0.12-0.3284.55%
174CPJLD007Has JSON-LD AggregateRating10-0.12-0.3862.07%
175CP444Number of Social Accounts61-0.12-0.3170.40%
176CP439Number of NoFollow Externa Links263-0.12-0.3279.37%
177CP460Percentage of DoFollow Internal Links9780-0.12-0.3173.45%
178CP479iiTitle Has Sentiment Words10-0.12-0.3569.66%
179CP149Keywords making whole H1 Tags10-0.12-0.3674.75%
180CPXR011Keywords in Button Tags4101-0.12-0.3580.57%
181CP445Number of Social Pages153-0.12-0.2671.88%
182CP356Keywords in I Tags802-0.12-0.3478.82%
183CP432Number of JavaScript Includes2914-0.12-0.3067.99%
184CP150a2Search Terms in H2 Tags70-0.12-0.3384.46%
185CP114Search Result Uses HTTPS11-0.12-0.3764.01%
186CP479Title Has Sales Words10-0.12-0.3570.21%
187CP077Search Result Domain Matches60-0.12-0.3551.06%
188CPJLD179Has JSON-LD NutritionInformation10-0.12-0.314.81%
189CPJLDxCBNumber Of Claimed Brands71-0.12-0.3462.53%
190CP313Has Privacy Policy11-0.12-0.3771.14%
191CP060Ahrefs Redirects46312-0.12-0.3115.17%
192CP418Number of Forms152-0.12-0.3168.55%
193CP104zSearch Result Has Publish Date11-0.12-0.352.50%
194CP033Ahrefs Has Images11-0.12-0.3610.27%
195CP347Has US Phone Number10-0.11-0.3662.35%
196CP414Number of Facebook Accounts31-0.11-0.3171.60%
197CP172Leading Keywords in H4 Tags60-0.11-0.3574.10%
198CP430Number of Instagram Pages141-0.11-0.2774.01%
199CPJLD228Has JSON-LD Review10-0.11-0.3643.57%
200CP220Has HREF Lang10-0.11-0.3662.81%


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