Top SEO Factors




Top SEO Factors - 2021-11-30      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 - 2021-11-30 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1ENT000aNumber of Entities Used7326-0.30-0.6267.33%
2CPZZZ50Number of Top 50 Shared Factors Used4227-0.29-0.4714.35%
3CPZZZ100Number of Top 100 Shared Factors Used7652-0.28-0.4814.61%
4CPZZZNumber of Factors Used205129-0.27-0.5290.32%
5CPZZZ200Number of Top 200 Shared Factors Used12892-0.24-0.4613.92%
6CP470Keywords in the HTML Tag38,261226-0.24-0.5196.37%
7CP134Keywords in Body Tag29,333193-0.23-0.5296.20%
8CPX010Keywords in Div Tags22,921149-0.23-0.5195.51%
9CP475Term Frequency115-0.23-0.4894.55%
10LSI002LSI Words in Sentences2,583504-0.22-0.4897.15%
11CP129Keywords in A Tags5,15836-0.22-0.4695.25%
12ENT009Entities in Title Tag62-0.22-0.5063.61%
13CP161Keywords in H1-H6 Tags1508-0.22-0.4893.78%
14CP465Keywords in P Tags2,18633-0.21-0.4993.26%
15CP157Keywords in H1, H2, and H3 Tags1036-0.21-0.4793.26%
16CP097Search Result Link Text Matches71-0.21-0.5080.55%
17CP071Search Result Display URL Matches71-0.21-0.5080.55%
18ENT003Entities in H2 Tags305-0.21-0.4965.86%
19CP054Ahrefs NoFollow Backlinks128,2582,287-0.21-0.3115.56%
20CP375Keywords in LI Tags97118-0.21-0.4794.81%
21CP153Keywords in H1 and H2 Tags424-0.21-0.4791.36%
22CP127bKeywords in Unique A Tag HREFs1,70236-0.20-0.4585.13%
23CP127Keywords in A Tag HREFs2,43452-0.20-0.4493.69%
24CP469Keywords in Sentences14221-0.20-0.4589.54%
25CP135Body Tag Size Kilobytes30786-0.20-0.4791.53%
26CKWD001Clean Keyword Density in the HTML Tag2044-0.20-0.4680.29%
27CP061Ahrefs Referring Class C Addresses1,26057-0.20-0.3415.82%
28CP062Ahrefs Referring Domains2,77594-0.20-0.3315.82%
29CP063Ahrefs Referring IP Addresses2,25285-0.20-0.3315.82%
30CP067Ahrefs Text Backlinks260,0546,457-0.20-0.2715.82%
31CP465cKeywords in script Tags5,79850-0.20-0.4693.00%
32CP059Ahrefs Rank3513-0.19-0.4113.40%
33CP064Ahrefs Referring Pages260,3466,466-0.19-0.2715.82%
34CP002Ahrefs Backlinks260,3466,466-0.19-0.2715.82%
35CP481Keywords in Title Tag82-0.19-0.4680.38%
36CP488Keywords in pages top 10 most used phrases222-0.19-0.4885.39%
37CP160Leading Keywords in H1-H6 Tags312-0.19-0.4390.49%
38CP458Page Size Kilobytes411151-0.19-0.4785.48%
39GD001Google Variation Density3393-0.19-0.4577.18%
40ENT004Entities in H3 Tags305-0.19-0.4766.21%
41LSI001LSI Words in Title Tag145-0.19-0.4390.41%
42CP999Search Result Path Matches141-0.19-0.4575.97%
43CP156Leading Keywords in H1, H2, and H3 Tags231-0.19-0.4389.54%
44CP165Keywords in H2 Tags503-0.19-0.4590.67%
45ENT018Entities in Sentences56280-0.18-0.4097.75%
46CPXX888Number of HTML Tags2,582886-0.18-0.4486.08%
47CP140Clean Text Kilobytes2910-0.18-0.4087.90%
48CP492bUnabridged Word Count4,5771,625-0.18-0.4087.64%
49CP487Keywords in pages top 5 most used phrases111-0.18-0.4684.62%
50CP492Word Count3,6961,270-0.18-0.3985.91%
51CP128Keywords in Alt Attributes2158-0.18-0.4091.18%
52CP137Keywords in the Canonical URL51-0.18-0.4482.71%
53CP146Keywords in the First 100 Words2077-0.18-0.4379.86%
54ENT001Entities in HTML Tag2,056290-0.18-0.3797.32%
55CP381Keywords in Meta Descriptions932-0.18-0.4483.75%
56CP134aSearch Terms in Body Tag21413-0.18-0.4190.41%
57CP471Keywords in Span Tags42610-0.18-0.4191.36%
58CP004Ahrefs Dofollow Backlinks132,1723,889-0.17-0.2815.13%
59ENT008Entities in Meta Description Tag1083-0.17-0.4459.90%
60CP124aKeywords in Absolute URLs9,07262-0.17-0.4089.02%
61CP470aSearch Terms in the HTML Tag25310-0.17-0.4183.49%
62LSI006LSI Words in H2 Tags6414-0.17-0.4192.31%
63ENT002Entities in H1 Tags62-0.17-0.4158.51%
64CP152Keywords in H1 Tags131-0.17-0.4178.82%
65CP113Search Result URL Matches211-0.17-0.4178.82%
66CP425Number of HTTPS Links516149-0.17-0.3984.36%
67DD010DomDetailer Majestic Referring Subnets73,43913,974-0.17-0.2129.39%
68CP109Search Result Summary Text Matches213-0.17-0.4578.05%
69CP486Keywords in pages top 3 most used phrases61-0.17-0.4583.23%
70DD013DomDetailer Moz DA8739-0.17-0.3826.02%
71CPXR018Keywords in Nav Tags6,45432-0.17-0.4190.23%
72GD003Google Density Variations7,75263-0.17-0.3972.52%
73DD008DomDetailer Majestic Referring Domains1,844,588332,438-0.17-0.2229.82%
74DD006DomDetailer Majestic IPs289,38152,087-0.17-0.2129.65%
75CP468Number of Sentences20249-0.17-0.3880.90%
76CP108Search Result Summary Length412157-0.16-0.4084.01%
77DD002DomDetailer Facebook Shares11,122,821525,611-0.16-0.2328.35%
78CP431Number of Internal Links502137-0.16-0.3784.10%
79DD015DomDetailer Moz PA7239-0.16-0.4027.05%
80DD005DomDetailer Majestic CF6434-0.16-0.3829.04%
81CP435Number of Links517154-0.16-0.3883.66%
82CP410Number of DoFollow Links505148-0.16-0.3783.66%
83DD012DomDetailer Majestic TF6626-0.16-0.3528.52%
84CP476TF/IDF11-0.16-0.4581.85%
85CP151Leading Keywords in H1 Tags10-0.16-0.4278.05%
86CPXR24Number of P Tags12935-0.16-0.3884.70%
87LSI003LSI Words in Meta Description Tag3499-0.16-0.3989.20%
88CP385Keywords in Meta OpenGraph Content111-0.16-0.4275.45%
89ENT005Entities in H4 Tags132-0.16-0.4261.45%
90CP383Keywords in Meta OpenGraph Description922-0.16-0.4179.08%
91CP484Leading Keywords in Title Tag10-0.16-0.4475.80%
92ENT013Has Entities in H2 Tags11-0.16-0.4558.08%
93CP169Keywords in H3 Tags822-0.16-0.3889.89%
94DD007DomDetailer Majestic Links162,172,83910,424,653-0.16-0.1829.47%
95CPX003Keywords in Main Tags15,49082-0.15-0.4486.34%
96LSI005LSI Words in H1 Tags174-0.15-0.3686.34%
97CP159aSearch Terms in H1-H6 Tags111-0.15-0.3988.33%
98CP358Inline Javascript Kilobytes15735-0.15-0.3581.59%
99CPXR003Number of Heading Tags5320-0.15-0.3783.66%
100QS004Number of Questions In Headings61-0.15-0.3841.23%
101CP038Ahrefs Has NoFollow Backlinks11-0.15-0.4015.21%
102CP019Ahrefs Has DoFollow Backlinks10-0.15-0.4114.52%
103ENT010Title Tag Has Entities11-0.15-0.4153.33%
104CP072Search Result Document Matches131-0.15-0.3968.71%
105CP426Number of Images9928-0.15-0.3484.01%
106DD016DomDetailer Moz Rank94-0.15-0.3625.50%
107CP045Ahrefs Has Text Backlinks11-0.15-0.3915.30%
108CP125Keywords making whole A Tags41-0.15-0.3785.83%
109CP472Keywords making whole Span Tags71-0.15-0.3884.36%
110LSI007LSI Words in H3 Tags7313-0.15-0.3591.62%
111CP164Leading Keywords in H2 Tags81-0.15-0.3886.00%
112QS003Number of Questions174-0.15-0.3477.87%
113CP376Keywords making whole LI Tags61-0.15-0.3882.11%
114CP017Ahrefs Has Backlinks11-0.14-0.3915.47%
115GD004Google Density Exact Matches353-0.14-0.3566.03%
116CP374Keywords in the last 100 words2024-0.14-0.3779.78%
117CP427Number of Images with Alt Text7518-0.14-0.3583.92%
118CP467Keywords in Section Tags89015-0.14-0.4184.96%
119CP391Number of Absolute URLs434140-0.14-0.3580.64%
120CP158Keywords making whole H1-H6 Tags20-0.14-0.4077.87%
121CP070Ahrefs Word Count3,5601,099-0.14-0.3311.41%
122ENT012Has Entities in H1 Tags11-0.14-0.4154.02%
123DD014DomDetailer Moz Links113,944,22715,951,310-0.14-0.2128.69%
124CPJLDxSANumber Of JSON-LD Types1219-0.14-0.3773.55%
125CP477Keywords in Title Attributes2638-0.14-0.3686.34%
126CPX013Keywords in Footer Tags3,80912-0.14-0.3485.74%
127CP154Keywords making whole H1, H2, and H3 Tags20-0.14-0.4075.80%
128ENT014Has Entities in H3 Tags10-0.14-0.4156.01%
129CP048Ahrefs Image Backlinks119,7502,141-0.14-0.2914.43%
130CPXR005Number of H2 Tags156-0.14-0.3484.70%
131CP483aSearch Terms in the Title Tag20-0.14-0.3880.99%
132CP177Keywords in H4-H6 Tags431-0.14-0.3684.10%
133CP032Ahrefs Has Image Backlinks10-0.14-0.3713.74%
134CP473Keywords in Strong Tags1132-0.14-0.3679.00%
135CP353Head Size Kilobytes11940-0.13-0.3372.26%
136ENT011Meta Description Tag Has Entities11-0.13-0.3951.77%
137CPXR006Number of H3 Tags307-0.13-0.3282.63%
138CP126aSearch Terms in A Tags642-0.13-0.3387.64%
139CP173Keywords in H4 Tags351-0.13-0.3683.84%
140CP460Percentage of DoFollow Internal Links9777-0.13-0.3274.68%
141CP050Ahrefs Internal Links38484-0.13-0.2615.64%
142CP168Leading Keywords in H3 Tags131-0.13-0.3584.18%
143CP130Keywords in Article Tags1,49021-0.13-0.3775.19%
144CP057Ahrefs Page Size81,04924,179-0.13-0.2810.72%
145CP413Number of External Links7217-0.13-0.3070.27%
146CP377Load Time Milliseconds35,9552,341-0.13-0.2668.89%
147CP485Keywords in pages most used phrase20-0.13-0.3875.71%
148QS012Headings Has Question10-0.13-0.3971.65%
149CP007Ahrefs External Links7416-0.13-0.2515.38%
150CP213Has FavIcon11-0.13-0.3769.14%
151DD011DomDetailer Majestic Referring .gov Links20,976,5833,376,851-0.13-0.2126.53%
152CP357Inline CSS Kilobytes9127-0.13-0.3375.97%
153CP469aSearch Terms in Sentences252-0.12-0.3186.43%
154CP099Search Result Number of Dirs in Path42-0.12-0.3361.02%
155CP356Keywords in I Tags802-0.12-0.3578.74%
156CPXR007Number of H4 Tags314-0.12-0.3175.80%
157CP319Has Schema Markup11-0.12-0.3969.23%
158CP149Keywords making whole H1 Tags10-0.12-0.3774.42%
159ENT015Has Entities in H4 Tags10-0.12-0.3851.86%
160CP409Number of DoFollow External Links6915-0.12-0.2867.33%
161CP428Number of Images without Alt Text3210-0.12-0.2974.42%
162CP052Ahrefs Linked Root Domains206-0.12-0.2915.64%
163CP440Number of NoFollow Links316-0.12-0.3079.43%
164QS006Number of Questions In H2 Tags30-0.12-0.3475.02%
165CP139Keywords in Class Attributes6,49119-0.12-0.3278.22%
166CP451Number of US Phone Numbers1427-0.12-0.2975.02%
167LSI008LSI Words in H4 Tags456-0.12-0.3285.05%
168CP424Number of HREF Lang Tags212-0.12-0.3473.55%
169CP432Number of JavaScript Includes2814-0.12-0.3070.10%
170CP176Leading Keywords in H4-H6 Tags80-0.12-0.3577.53%
171PAGE001Is Home Page10-0.12-0.334.06%
172QS007Number of Questions In H3 Tags30-0.12-0.3374.68%
173CP355Keywords in ID Attributes7162-0.12-0.3383.15%
174CP479iiTitle Has Sentiment Words10-0.12-0.3566.12%
175CP380Meta Description Length3,814125-0.12-0.3071.31%
176CPJLD011Has JSON-LD Answer10-0.12-0.3755.66%
177CP005Ahrefs Domain Rating7833-0.12-0.3112.01%
178CPJLD217Has JSON-LD Question10-0.12-0.3755.57%
179CP445Number of Social Pages153-0.12-0.2671.13%
180CP479Title Has Sales Words10-0.12-0.3466.55%
181CP481bWord Count in Meta Description Tag60120-0.12-0.3072.43%
182CP150aSearch Terms in H1 Tags10-0.12-0.3378.91%
183CP056Ahrefs Pages51-0.12-0.2615.30%
184CPJLD007Has JSON-LD AggregateRating10-0.12-0.3762.92%
185CP439Number of NoFollow Externa Links263-0.12-0.3178.05%
186CP150a2Search Terms in H2 Tags40-0.12-0.3285.91%
187CP131Average Words Per Sentence23242-0.12-0.2770.35%
188PAGE009Number of Prices14731-0.11-0.2710.98%
189CP444Number of Social Accounts61-0.11-0.2968.02%
190BYTES01Bytes To First P Tag84,45052,449-0.11-0.3354.80%
191CP418Number of Forms182-0.11-0.3066.29%
192CP224Has Meta Charset11-0.11-0.3461.80%
193CPJLDxCBNumber Of Claimed Brands71-0.11-0.3359.90%
194CP414Number of Facebook Accounts31-0.11-0.3069.66%
195CP430Number of Instagram Pages121-0.11-0.2772.08%
196CPXR011Keywords in Button Tags4101-0.11-0.3381.42%
197CP022Ahrefs Has External Links11-0.11-0.3414.69%
198CP313Has Privacy Policy11-0.11-0.3670.79%
199CP148Flesch Kincaid Reading Grade83-0.11-0.2934.31%
200CP347Has US Phone Number10-0.11-0.3561.19%


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