Top SEO Factors




Top SEO Factors - 2021-12-01      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 - 2021-12-01 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1ENT000aNumber of Entities Used7327-0.29-0.6166.28%
2CPZZZ50Number of Top 50 Shared Factors Used4227-0.29-0.4715.08%
3CPZZZ100Number of Top 100 Shared Factors Used7652-0.28-0.4815.35%
4CPZZZNumber of Factors Used205128-0.27-0.5290.33%
5CPZZZ200Number of Top 200 Shared Factors Used12892-0.24-0.4614.64%
6CP470Keywords in the HTML Tag38,261233-0.24-0.5196.27%
7CP134Keywords in Body Tag29,333199-0.23-0.5296.18%
8CPX010Keywords in Div Tags22,921153-0.23-0.5095.39%
9CP475Term Frequency115-0.22-0.4894.32%
10LSI002LSI Words in Sentences2,583518-0.22-0.4896.98%
11ENT009Entities in Title Tag62-0.22-0.5062.73%
12CP129Keywords in A Tags5,15837-0.22-0.4695.12%
13CP161Keywords in H1-H6 Tags1508-0.21-0.4794.23%
14CP465Keywords in P Tags2,18633-0.21-0.4993.52%
15CP157Keywords in H1, H2, and H3 Tags1036-0.21-0.4793.70%
16ENT003Entities in H2 Tags305-0.21-0.4965.22%
17CP097Search Result Link Text Matches71-0.21-0.5080.75%
18CP071Search Result Display URL Matches71-0.21-0.5080.75%
19CP054Ahrefs NoFollow Backlinks128,2582,299-0.21-0.3016.24%
20CP375Keywords in LI Tags97119-0.21-0.4894.59%
21CP127bKeywords in Unique A Tag HREFs1,70237-0.21-0.4585.45%
22CP127Keywords in A Tag HREFs2,43454-0.20-0.4593.79%
23CP153Keywords in H1 and H2 Tags424-0.20-0.4791.75%
24CP469Keywords in Sentences14222-0.20-0.4589.80%
25CP135Body Tag Size Kilobytes30786-0.20-0.4791.48%
26CP061Ahrefs Referring Class C Addresses1,26059-0.20-0.3416.42%
27CKWD001Clean Keyword Density in the HTML Tag2044-0.20-0.4580.83%
28CP062Ahrefs Referring Domains2,77598-0.20-0.3316.33%
29CP063Ahrefs Referring IP Addresses2,25288-0.20-0.3316.42%
30CP465cKeywords in script Tags5,79852-0.20-0.4692.99%
31CP067Ahrefs Text Backlinks260,0546,515-0.20-0.2716.42%
32CP002Ahrefs Backlinks260,3466,625-0.19-0.2716.42%
33CP064Ahrefs Referring Pages260,3466,625-0.19-0.2716.42%
34CP059Ahrefs Rank3513-0.19-0.4113.93%
35CP458Page Size Kilobytes411151-0.19-0.4785.54%
36CP481Keywords in Title Tag82-0.19-0.4680.21%
37ENT004Entities in H3 Tags365-0.19-0.4765.22%
38CP488Keywords in pages top 10 most used phrases222-0.19-0.4885.80%
39CP160Leading Keywords in H1-H6 Tags312-0.19-0.4390.42%
40GD001Google Variation Density3393-0.19-0.4577.73%
41LSI001LSI Words in Title Tag145-0.19-0.4390.42%
42CP156Leading Keywords in H1, H2, and H3 Tags231-0.18-0.4389.53%
43CP999Search Result Path Matches141-0.18-0.4477.64%
44CP165Keywords in H2 Tags503-0.18-0.4491.39%
45CPXX888Number of HTML Tags2,582883-0.18-0.4485.89%
46CP140Clean Text Kilobytes2910-0.18-0.4087.67%
47CP492bUnabridged Word Count4,5771,634-0.18-0.4087.67%
48ENT018Entities in Sentences56280-0.18-0.3997.60%
49CP487Keywords in pages top 5 most used phrases111-0.18-0.4685.00%
50CP492Word Count3,6961,278-0.18-0.3985.71%
51CP128Keywords in Alt Attributes2158-0.18-0.3990.95%
52CP137Keywords in the Canonical URL51-0.18-0.4483.14%
53CP134aSearch Terms in Body Tag21413-0.17-0.4190.24%
54CP381Keywords in Meta Descriptions932-0.17-0.4383.32%
55CP004Ahrefs Dofollow Backlinks132,1723,942-0.17-0.2815.62%
56CP471Keywords in Span Tags42610-0.17-0.4191.22%
57CP146Keywords in the First 100 Words2077-0.17-0.4380.21%
58ENT008Entities in Meta Description Tag1083-0.17-0.4458.56%
59CP124aKeywords in Absolute URLs9,07264-0.17-0.4089.53%
60ENT001Entities in HTML Tag2,056292-0.17-0.3697.25%
61CP470aSearch Terms in the HTML Tag25310-0.17-0.4082.87%
62LSI006LSI Words in H2 Tags6414-0.17-0.4192.72%
63ENT002Entities in H1 Tags62-0.17-0.4157.76%
64CP113Search Result URL Matches212-0.17-0.4179.15%
65CP425Number of HTTPS Links516149-0.17-0.3884.38%
66CPXR018Keywords in Nav Tags6,45433-0.17-0.4190.42%
67CP108Search Result Summary Length412156-0.17-0.4183.50%
68CP152Keywords in H1 Tags131-0.17-0.4078.62%
69CP109Search Result Summary Text Matches213-0.17-0.4578.35%
70CP486Keywords in pages top 3 most used phrases61-0.17-0.4583.67%
71GD003Google Density Variations7,75264-0.17-0.3973.03%
72DD013DomDetailer Moz DA8739-0.16-0.3726.35%
73CP468Number of Sentences20250-0.16-0.3880.48%
74DD010DomDetailer Majestic Referring Subnets73,43913,946-0.16-0.2029.72%
75DD008DomDetailer Majestic Referring Domains1,844,588327,858-0.16-0.2130.17%
76DD006DomDetailer Majestic IPs289,38151,716-0.16-0.2029.99%
77CP431Number of Internal Links502136-0.16-0.3784.21%
78DD002DomDetailer Facebook Shares11,122,821575,358-0.16-0.2428.84%
79DD015DomDetailer Moz PA7239-0.16-0.3927.33%
80CP435Number of Links517153-0.16-0.3883.67%
81DD005DomDetailer Majestic CF6434-0.16-0.3829.28%
82CP410Number of DoFollow Links505148-0.16-0.3783.58%
83CP476TF/IDF11-0.16-0.4581.63%
84DD012DomDetailer Majestic TF6626-0.16-0.3528.75%
85CP169Keywords in H3 Tags823-0.16-0.3889.97%
86LSI003LSI Words in Meta Description Tag3499-0.16-0.3888.91%
87CPXR24Number of P Tags12935-0.16-0.3884.83%
88CP151Leading Keywords in H1 Tags10-0.16-0.4177.55%
89CP383Keywords in Meta OpenGraph Description922-0.16-0.4079.06%
90ENT005Entities in H4 Tags132-0.16-0.4161.58%
91CPX003Keywords in Main Tags15,49084-0.15-0.4486.51%
92CP385Keywords in Meta OpenGraph Content111-0.15-0.4275.87%
93CP358Inline Javascript Kilobytes15735-0.15-0.3581.37%
94ENT013Has Entities in H2 Tags11-0.15-0.4557.32%
95DD007DomDetailer Majestic Links162,172,83910,339,680-0.15-0.1829.64%
96CP484Leading Keywords in Title Tag10-0.15-0.4375.60%
97CPXR003Number of Heading Tags6621-0.15-0.3783.94%
98CP019Ahrefs Has DoFollow Backlinks10-0.15-0.4015.08%
99CP038Ahrefs Has NoFollow Backlinks11-0.15-0.4015.79%
100CP159aSearch Terms in H1-H6 Tags111-0.15-0.3988.29%
101LSI005LSI Words in H1 Tags174-0.15-0.3686.51%
102ENT010Title Tag Has Entities11-0.15-0.4152.35%
103QS004Number of Questions In Headings61-0.15-0.3841.61%
104CP125Keywords making whole A Tags41-0.15-0.3785.18%
105CP426Number of Images14028-0.15-0.3483.67%
106DD016DomDetailer Moz Rank94-0.15-0.3725.91%
107CP072Search Result Document Matches131-0.15-0.3970.10%
108QS003Number of Questions174-0.15-0.3478.26%
109CP164Leading Keywords in H2 Tags81-0.15-0.3886.16%
110LSI007LSI Words in H3 Tags17514-0.15-0.3591.84%
111CP472Keywords making whole Span Tags71-0.15-0.3884.21%
112CP376Keywords making whole LI Tags61-0.14-0.3881.81%
113CP045Ahrefs Has Text Backlinks11-0.14-0.3915.88%
114CP467Keywords in Section Tags89015-0.14-0.4185.71%
115CP391Number of Absolute URLs445142-0.14-0.3580.57%
116CP374Keywords in the last 100 words2024-0.14-0.3779.59%
117ENT012Has Entities in H1 Tags11-0.14-0.4153.15%
118GD004Google Density Exact Matches353-0.14-0.3566.64%
119CP427Number of Images with Alt Text11718-0.14-0.3583.58%
120CP017Ahrefs Has Backlinks11-0.14-0.3816.06%
121CP070Ahrefs Word Count3,5601,095-0.14-0.3311.89%
122CP158Keywords making whole H1-H6 Tags20-0.14-0.4077.28%
123CPJLDxSANumber Of JSON-LD Types1219-0.14-0.3873.20%
124CP477Keywords in Title Attributes2638-0.14-0.3686.16%
125DD014DomDetailer Moz Links113,944,22715,880,669-0.14-0.2128.75%
126CP048Ahrefs Image Backlinks119,7502,181-0.14-0.2914.91%
127CPX013Keywords in Footer Tags3,80912-0.14-0.3485.80%
128CPXR005Number of H2 Tags156-0.14-0.3485.36%
129CP154Keywords making whole H1, H2, and H3 Tags20-0.14-0.3975.42%
130ENT014Has Entities in H3 Tags10-0.14-0.4054.92%
131CP483aSearch Terms in the Title Tag20-0.14-0.3881.28%
132CP032Ahrefs Has Image Backlinks10-0.14-0.3714.11%
133CP177Keywords in H4-H6 Tags431-0.14-0.3684.92%
134CP353Head Size Kilobytes11940-0.13-0.3371.96%
135CP473Keywords in Strong Tags1132-0.13-0.3680.12%
136CPXR006Number of H3 Tags557-0.13-0.3282.70%
137ENT011Meta Description Tag Has Entities11-0.13-0.3950.84%
138CP173Keywords in H4 Tags351-0.13-0.3684.56%
139CP168Leading Keywords in H3 Tags131-0.13-0.3584.21%
140CP460Percentage of DoFollow Internal Links9777-0.13-0.3174.71%
141CP377Load Time Milliseconds35,9552,360-0.13-0.2668.94%
142CP126aSearch Terms in A Tags642-0.13-0.3387.49%
143CP130Keywords in Article Tags1,49021-0.13-0.3776.66%
144CP413Number of External Links7217-0.13-0.3070.10%
145CP485Keywords in pages most used phrase20-0.13-0.3876.40%
146CP050Ahrefs Internal Links38486-0.13-0.2616.15%
147CP357Inline CSS Kilobytes9127-0.13-0.3475.95%
148QS012Headings Has Question10-0.13-0.3972.05%
149CP057Ahrefs Page Size81,04924,094-0.13-0.2811.18%
150DD011DomDetailer Majestic Referring .gov Links20,976,5833,302,407-0.12-0.2126.89%
151CPXR007Number of H4 Tags314-0.12-0.3176.04%
152CP469aSearch Terms in Sentences252-0.12-0.3186.87%
153CP007Ahrefs External Links7417-0.12-0.2515.88%
154CP099Search Result Number of Dirs in Path42-0.12-0.3360.87%
155CP213Has FavIcon11-0.12-0.3768.59%
156CP356Keywords in I Tags802-0.12-0.3578.88%
157CP319Has Schema Markup11-0.12-0.3868.59%
158CP428Number of Images without Alt Text3410-0.12-0.2973.91%
159CP440Number of NoFollow Links346-0.12-0.3079.06%
160CP139Keywords in Class Attributes6,49120-0.12-0.3377.37%
161CP451Number of US Phone Numbers1427-0.12-0.2974.71%
162CP409Number of DoFollow External Links6915-0.12-0.2867.17%
163ENT015Has Entities in H4 Tags10-0.12-0.3751.38%
164LSI008LSI Words in H4 Tags456-0.12-0.3285.45%
165QS006Number of Questions In H2 Tags30-0.12-0.3375.51%
166CP424Number of HREF Lang Tags212-0.12-0.3473.65%
167CP149Keywords making whole H1 Tags10-0.12-0.3673.91%
168CP355Keywords in ID Attributes7162-0.12-0.3382.96%
169QS007Number of Questions In H3 Tags30-0.12-0.3375.51%
170CP052Ahrefs Linked Root Domains206-0.12-0.2916.15%
171PAGE001Is Home Page10-0.12-0.344.44%
172CP479iiTitle Has Sentiment Words10-0.12-0.3565.84%
173CP380Meta Description Length3,814124-0.12-0.3070.81%
174CP005Ahrefs Domain Rating7833-0.12-0.3112.60%
175CP176Leading Keywords in H4-H6 Tags80-0.12-0.3577.99%
176CP432Number of JavaScript Includes2814-0.12-0.3069.65%
177CPJLD011Has JSON-LD Answer10-0.12-0.3756.43%
178CP479Title Has Sales Words10-0.12-0.3466.19%
179CPJLD217Has JSON-LD Question10-0.12-0.3756.34%
180CPJLD007Has JSON-LD AggregateRating10-0.12-0.3763.00%
181CP439Number of NoFollow Externa Links263-0.12-0.3177.64%
182CP481bWord Count in Meta Description Tag60120-0.12-0.3071.96%
183CP150a2Search Terms in H2 Tags40-0.12-0.3286.16%
184CP150aSearch Terms in H1 Tags10-0.12-0.3279.50%
185CP131Average Words Per Sentence23242-0.12-0.2770.19%
186CP445Number of Social Pages153-0.12-0.2670.54%
187BYTES01Bytes To First P Tag84,45052,769-0.11-0.3355.01%
188CPXR011Keywords in Button Tags4101-0.11-0.3481.37%
189CP148Flesch Kincaid Reading Grade83-0.11-0.2934.34%
190CP418Number of Forms182-0.11-0.2966.28%
191CP414Number of Facebook Accounts31-0.11-0.3069.03%
192PAGE009Number of Prices14731-0.11-0.2611.54%
193CP347Has US Phone Number10-0.11-0.3560.78%
194CPJLDxCBNumber Of Claimed Brands71-0.11-0.3259.18%
195CP056Ahrefs Pages51-0.11-0.2515.71%
196CP313Has Privacy Policy11-0.11-0.3670.72%
197CP203Has Apple Touch Icon10-0.11-0.3662.73%
198CPX005Keywords in Aside Tags1,7939-0.11-0.3375.51%
199CP444Number of Social Accounts61-0.11-0.2967.26%
200CPXR015Keywords in Figure Tags6,54816-0.11-0.3375.51%


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