Top SEO Factors




Top SEO Factors - 2021-12-20      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 - 2021-12-20 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1ENT000aNumber of Entities Used7029-0.30-0.6166.01%
2CPZZZ50Number of Top 50 Shared Factors Used4228-0.29-0.4726.44%
3CPZZZ100Number of Top 100 Shared Factors Used7654-0.27-0.4726.74%
4CPZZZNumber of Factors Used217133-0.25-0.5191.48%
5CPZZZ200Number of Top 200 Shared Factors Used13495-0.24-0.4725.27%
6CP470Keywords in the HTML Tag1,038190-0.24-0.5192.95%
7CPX010Keywords in Div Tags713127-0.24-0.5091.67%
8CP134Keywords in Body Tag980168-0.23-0.5293.73%
9LSI002LSI Words in Sentences3,406573-0.22-0.4797.16%
10CP475Term Frequency75-0.22-0.4792.46%
11CP127bKeywords in Unique A Tag HREFs18136-0.22-0.4689.52%
12CP129Keywords in A Tags13628-0.22-0.4593.14%
13CP127Keywords in A Tag HREFs26653-0.22-0.4691.77%
14CP161Keywords in H1-H6 Tags328-0.21-0.4790.60%
15ENT003Entities in H2 Tags416-0.21-0.5065.33%
16CP157Keywords in H1, H2, and H3 Tags307-0.21-0.4691.19%
17CP465Keywords in P Tags17835-0.21-0.4790.99%
18CP153Keywords in H1 and H2 Tags184-0.21-0.4789.52%
19CP054Ahrefs NoFollow Backlinks24,085317-0.21-0.2313.03%
20CP375Keywords in LI Tags7319-0.21-0.4791.58%
21CP469Keywords in Sentences11026-0.20-0.4490.01%
22CP063Ahrefs Referring IP Addresses1,55053-0.20-0.2713.12%
23CP061Ahrefs Referring Class C Addresses94640-0.20-0.2813.12%
24ENT009Entities in Title Tag62-0.20-0.4862.00%
25CKWD001Clean Keyword Density in the HTML Tag114-0.20-0.4682.86%
26CP062Ahrefs Referring Domains1,81455-0.20-0.2713.03%
27CP999Search Result Path Matches52-0.20-0.4877.67%
28ENT004Entities in H3 Tags366-0.20-0.4665.03%
29GD001Google Variation Density103-0.19-0.4580.80%
30CP134aSearch Terms in Body Tag21214-0.19-0.4391.28%
31CP067Ahrefs Text Backlinks104,9951,991-0.19-0.2013.32%
32CP002Ahrefs Backlinks105,8962,150-0.19-0.2013.32%
33CP064Ahrefs Referring Pages105,8962,150-0.19-0.2013.32%
34CP113Search Result URL Matches52-0.19-0.4680.31%
35CP059Ahrefs Rank4113-0.19-0.3812.24%
36CP470aSearch Terms in the HTML Tag25910-0.19-0.4485.60%
37CP160Leading Keywords in H1-H6 Tags92-0.19-0.4486.58%
38CP135Body Tag Size Kilobytes25284-0.19-0.4585.60%
39CP097Search Result Link Text Matches31-0.19-0.4677.08%
40CP071Search Result Display URL Matches31-0.19-0.4677.08%
41CP488Keywords in pages top 10 most used phrases52-0.19-0.4985.31%
42CP140Clean Text Kilobytes3111-0.19-0.4083.64%
43CP156Leading Keywords in H1, H2, and H3 Tags61-0.19-0.4486.09%
44CP492bUnabridged Word Count5,2111,766-0.19-0.4086.29%
45CP465cKeywords in script Tags45339-0.19-0.4391.38%
46CP137Keywords in the Canonical URL52-0.19-0.4783.15%
47CP487Keywords in pages top 5 most used phrases31-0.19-0.4884.82%
48CP165Keywords in H2 Tags163-0.19-0.4392.07%
49CP458Page Size Kilobytes336149-0.18-0.4583.64%
50LSI001LSI Words in Title Tag145-0.18-0.4390.50%
51CPXX888Number of HTML Tags3,267868-0.18-0.4382.08%
52CP108Search Result Summary Length357158-0.18-0.4282.86%
53CP124aKeywords in Absolute URLs44253-0.18-0.4489.91%
54CP492Word Count4,2611,376-0.18-0.3984.43%
55DD010DomDetailer Majestic Referring Subnets73,43914,843-0.18-0.2632.13%
56DD008DomDetailer Majestic Referring Domains1,844,588271,218-0.18-0.2532.22%
57DD006DomDetailer Majestic IPs289,38149,539-0.18-0.2532.13%
58DD005DomDetailer Majestic CF6637-0.18-0.4431.73%
59CP481Keywords in Title Tag32-0.18-0.4375.51%
60CP146Keywords in the First 100 Words197-0.18-0.4378.65%
61DD015DomDetailer Moz PA7243-0.18-0.4230.36%
62ENT018Entities in Sentences62497-0.18-0.3697.55%
63LSI006LSI Words in H2 Tags9015-0.18-0.4293.44%
64CP381Keywords in Meta Descriptions62-0.17-0.4580.51%
65CP471Keywords in Span Tags409-0.17-0.3888.44%
66CP004Ahrefs Dofollow Backlinks80,8961,718-0.17-0.2212.73%
67ENT002Entities in H1 Tags62-0.17-0.4155.83%
68CP128Keywords in Alt Attributes568-0.17-0.3988.15%
69CP072Search Result Document Matches51-0.17-0.4369.15%
70CP468Number of Sentences20256-0.17-0.3882.47%
71CP486Keywords in pages top 3 most used phrases21-0.17-0.4682.86%
72DD013DomDetailer Moz DA8744-0.17-0.4129.97%
73CP109Search Result Summary Text Matches63-0.17-0.4678.94%
74ENT008Entities in Meta Description Tag113-0.17-0.4456.51%
75CP425Number of HTTPS Links516146-0.17-0.3781.19%
76CP484Leading Keywords in Title Tag10-0.17-0.4674.14%
77CP410Number of DoFollow Links505144-0.17-0.3779.53%
78CP431Number of Internal Links502132-0.17-0.3780.90%
79GD004Google Density Exact Matches283-0.17-0.3869.44%
80LSI003LSI Words in Meta Description Tag289-0.17-0.4187.46%
81CP435Number of Links517150-0.17-0.3779.92%
82CP159aSearch Terms in H1-H6 Tags121-0.17-0.3887.95%
83GD003Google Density Variations19941-0.16-0.3975.81%
84CPXR003Number of Heading Tags7021-0.16-0.3984.04%
85CPXR24Number of P Tags12937-0.16-0.3884.92%
86CPXR018Keywords in Nav Tags23020-0.16-0.3986.68%
87ENT001Entities in HTML Tag3,831323-0.16-0.3494.32%
88CP152Keywords in H1 Tags31-0.16-0.3876.59%
89DD002DomDetailer Facebook Shares11,122,821-145,305-0.16-0.2632.32%
90DD012DomDetailer Majestic TF6629-0.16-0.3830.95%
91CP169Keywords in H3 Tags143-0.16-0.3888.34%
92CPX003Keywords in Main Tags50557-0.16-0.4483.55%
93CP164Leading Keywords in H2 Tags31-0.16-0.4184.82%
94DD007DomDetailer Majestic Links173,742,59818,715,152-0.16-0.1732.03%
95CP151Leading Keywords in H1 Tags10-0.16-0.4276.20%
96DD016DomDetailer Moz Rank95-0.16-0.4030.17%
97LSI007LSI Words in H3 Tags17515-0.16-0.3790.70%
98LSI005LSI Words in H1 Tags134-0.16-0.3586.88%
99QS004Number of Questions In Headings71-0.15-0.3835.55%
100CP476TF/IDF11-0.15-0.4379.14%
101CP038Ahrefs Has NoFollow Backlinks11-0.15-0.4112.63%
102CP125Keywords making whole A Tags51-0.15-0.3884.82%
103CP358Inline Javascript Kilobytes12833-0.15-0.3581.59%
104DD014DomDetailer Moz Links113,944,22712,938,134-0.15-0.2431.73%
105CP483aSearch Terms in the Title Tag10-0.15-0.4081.39%
106CP383Keywords in Meta OpenGraph Description121-0.15-0.4078.16%
107QS003Number of Questions155-0.15-0.3577.86%
108CP426Number of Images14027-0.15-0.3680.02%
109CPXR005Number of H2 Tags176-0.15-0.3783.45%
110CP374Keywords in the last 100 words114-0.15-0.3679.04%
111CP376Keywords making whole LI Tags61-0.15-0.3880.61%
112ENT013Has Entities in H2 Tags11-0.15-0.4457.39%
113CPX013Keywords in Footer Tags536-0.15-0.3681.68%
114ENT005Entities in H4 Tags132-0.15-0.4160.43%
115CP427Number of Images with Alt Text11718-0.14-0.3681.49%
116CPJLDxSANumber Of JSON-LD Types11210-0.14-0.3878.84%
117CP472Keywords making whole Span Tags71-0.14-0.3582.47%
118CP385Keywords in Meta OpenGraph Content31-0.14-0.3976.69%
119CP477Keywords in Title Attributes868-0.14-0.3683.45%
120CP391Number of Absolute URLs489147-0.14-0.3581.88%
121ENT014Has Entities in H3 Tags11-0.14-0.4254.06%
122CP150aSearch Terms in H1 Tags10-0.14-0.3681.00%
123ENT010Title Tag Has Entities11-0.14-0.3950.44%
124CPXR006Number of H3 Tags557-0.14-0.3481.68%
125CP467Keywords in Section Tags9217-0.14-0.3881.88%
126CP469aSearch Terms in Sentences432-0.14-0.3687.95%
127CP413Number of External Links8119-0.14-0.3175.32%
128ENT012Has Entities in H1 Tags11-0.13-0.3951.91%
129CP168Leading Keywords in H3 Tags30-0.13-0.3679.04%
130CP177Keywords in H4-H6 Tags81-0.13-0.3680.61%
131QS012Headings Has Question10-0.13-0.4069.93%
132CP019Ahrefs Has DoFollow Backlinks10-0.13-0.3812.44%
133CP158Keywords making whole H1-H6 Tags30-0.13-0.3775.02%
134CP485Keywords in pages most used phrase10-0.13-0.4074.24%
135DD011DomDetailer Majestic Referring .gov Links19,406,4872,338,084-0.13-0.2029.87%
136CP126aSearch Terms in A Tags872-0.13-0.3387.76%
137CP473Keywords in Strong Tags172-0.13-0.3380.71%
138CP154Keywords making whole H1, H2, and H3 Tags10-0.13-0.3873.46%
139CP460Percentage of DoFollow Internal Links9475-0.13-0.3366.60%
140CP355Keywords in ID Attributes201-0.13-0.3683.15%
141CP139Keywords in Class Attributes1807-0.13-0.3273.56%
142ENT011Meta Description Tag Has Entities11-0.13-0.3849.85%
143CP045Ahrefs Has Text Backlinks11-0.13-0.3512.63%
144CP150a2Search Terms in H2 Tags60-0.13-0.3586.88%
145CP409Number of DoFollow External Links6816-0.13-0.2973.75%
146QS006Number of Questions In H2 Tags30-0.13-0.3375.91%
147CP017Ahrefs Has Backlinks11-0.13-0.3512.54%
148PAGE009Number of Prices14731-0.13-0.3021.35%
149CP005Ahrefs Domain Rating7530-0.12-0.3110.38%
150CP173Keywords in H4 Tags81-0.12-0.3582.66%
151QS007Number of Questions In H3 Tags31-0.12-0.3576.30%
152CP130Keywords in Article Tags15722-0.12-0.3679.14%
153CP356Keywords in I Tags293-0.12-0.3476.89%
154CP099Search Result Number of Dirs in Path42-0.12-0.3362.98%
155CP353Head Size Kilobytes11940-0.12-0.3176.00%
156CP048Ahrefs Image Backlinks15,977386-0.12-0.2212.44%
157CP465zKeywords in Form Tags41-0.12-0.3573.75%
158CPXR011Keywords in Button Tags141-0.12-0.3576.98%
159CP357Inline CSS Kilobytes9127-0.12-0.3476.69%
160LSI008LSI Words in H4 Tags606-0.12-0.3185.31%
161CP149Keywords making whole H1 Tags10-0.12-0.3772.09%
162CP070Ahrefs Word Count3,2191,052-0.12-0.3010.77%
163CP451Number of US Phone Numbers1307-0.12-0.2672.67%
164CP050Ahrefs Internal Links27675-0.12-0.2313.12%
165CP377Load Time Milliseconds45,8552,388-0.12-0.2469.34%
166CP347Has US Phone Number10-0.12-0.3857.30%
167CPJLD011Has JSON-LD Answer10-0.12-0.3657.20%
168CP133Keywords in B Tags101-0.12-0.3271.20%
169CP032Ahrefs Has Image Backlinks10-0.12-0.3312.14%
170CPJLD217Has JSON-LD Question10-0.12-0.3657.20%
171CP381aSearch Terms in Meta Descriptions10-0.12-0.3585.11%
172CP213Has FavIcon11-0.12-0.3866.21%
173CPXR015Keywords in Figure Tags1878-0.12-0.3476.00%
174CP380Meta Description Length288120-0.12-0.3069.83%
175CP481bWord Count in Meta Description Tag4419-0.12-0.3070.23%
176CP428Number of Images without Alt Text7010-0.12-0.3171.01%
177CPJLDxKANumber Of JSON-LD Entity References81-0.12-0.3760.43%
178CPXR007Number of H4 Tags254-0.12-0.2975.61%
179CP114Search Result Uses HTTPS11-0.12-0.3561.41%
180CP104bSearch Result Publish Date2,014,085,5931,843,404,316-0.12-0.3043.10%
181CP052Ahrefs Linked Root Domains165-0.12-0.2712.83%
182PAGE001Is Home Page10-0.12-0.338.23%
183CP148Flesch Kincaid Reading Grade84-0.12-0.2831.15%
184CP491Keywords in Value Attributes482-0.11-0.2972.58%
185CP439Number of NoFollow Externa Links303-0.11-0.3175.71%
186DD001DomDetailer Facebook Comments42827-0.11-0.2926.54%
187CP313Has Privacy Policy11-0.11-0.3673.65%
188CP204Has Canonical URL11-0.11-0.3764.54%
189CP479Title Has Sales Words10-0.11-0.3469.34%
190PAGE010Number of Schema Products131-0.11-0.3610.09%
191CP445Number of Social Pages153-0.11-0.2671.89%
192CP007Ahrefs External Links5416-0.11-0.2113.32%
193ENT015Has Entities in H4 Tags10-0.11-0.3648.97%
194CP479iiTitle Has Sentiment Words10-0.11-0.3369.25%
195CP440Number of NoFollow Links447-0.11-0.2976.20%
196CP418Number of Forms182-0.11-0.2866.80%
197CPX005Keywords in Aside Tags746-0.11-0.3274.93%
198CP142Keywords in Em Tags50-0.11-0.3273.65%
199CP319Has Schema Markup11-0.11-0.3666.70%
200CP131Average Words Per Sentence24041-0.11-0.2670.03%


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