Top SEO Factors




Top SEO Factors - 2021-12-04      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 - 2021-12-04 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1ENT000aNumber of Entities Used7327-0.29-0.6165.74%
2CPZZZ50Number of Top 50 Shared Factors Used4227-0.28-0.4617.58%
3CPZZZ100Number of Top 100 Shared Factors Used7652-0.27-0.4817.94%
4CPZZZNumber of Factors Used204128-0.26-0.5190.49%
5CPZZZ200Number of Top 200 Shared Factors Used13493-0.24-0.4717.22%
6CP470Keywords in the HTML Tag38,261236-0.23-0.5095.61%
7CP134Keywords in Body Tag29,333201-0.23-0.5195.70%
8CPX010Keywords in Div Tags22,921155-0.22-0.4994.71%
9CP475Term Frequency115-0.22-0.4793.63%
10LSI002LSI Words in Sentences2,697520-0.22-0.4897.04%
11ENT009Entities in Title Tag62-0.22-0.5062.15%
12CP129Keywords in A Tags5,15838-0.21-0.4595.07%
13CP161Keywords in H1-H6 Tags1508-0.21-0.4793.54%
14CP465Keywords in P Tags2,18634-0.21-0.4992.65%
15CP157Keywords in H1, H2, and H3 Tags1036-0.21-0.4693.27%
16CP097Search Result Link Text Matches71-0.21-0.4979.82%
17CP071Search Result Display URL Matches71-0.21-0.4979.82%
18CP054Ahrefs NoFollow Backlinks128,2582,414-0.21-0.2916.41%
19ENT003Entities in H2 Tags305-0.21-0.4964.66%
20CP375Keywords in LI Tags97119-0.20-0.4794.17%
21CP127bKeywords in Unique A Tag HREFs1,70237-0.20-0.4485.65%
22CP469Keywords in Sentences10222-0.20-0.4589.42%
23CP062Ahrefs Referring Domains2,775104-0.20-0.3216.59%
24CP127Keywords in A Tag HREFs2,43454-0.20-0.4493.36%
25CP061Ahrefs Referring Class C Addresses1,26063-0.20-0.3316.68%
26CP153Keywords in H1 and H2 Tags424-0.20-0.4691.03%
27CP135Body Tag Size Kilobytes30785-0.20-0.4790.22%
28CP063Ahrefs Referring IP Addresses2,25294-0.20-0.3316.68%
29CKWD001Clean Keyword Density in the HTML Tag2044-0.19-0.4480.27%
30CP465cKeywords in script Tags5,79851-0.19-0.4692.74%
31CP067Ahrefs Text Backlinks260,0546,963-0.19-0.2616.86%
32CP002Ahrefs Backlinks260,3467,074-0.19-0.2516.86%
33CP064Ahrefs Referring Pages260,3467,074-0.19-0.2516.86%
34ENT004Entities in H3 Tags365-0.19-0.4764.75%
35CP059Ahrefs Rank3514-0.19-0.4014.08%
36CP458Page Size Kilobytes411150-0.19-0.4684.84%
37CP481Keywords in Title Tag82-0.19-0.4579.37%
38CP160Leading Keywords in H1-H6 Tags312-0.19-0.4289.60%
39CP488Keywords in pages top 10 most used phrases222-0.18-0.4785.11%
40GD001Google Variation Density3393-0.18-0.4377.40%
41LSI001LSI Words in Title Tag145-0.18-0.4390.76%
42CP156Leading Keywords in H1, H2, and H3 Tags231-0.18-0.4289.06%
43CP140Clean Text Kilobytes2910-0.18-0.4086.55%
44CP492bUnabridged Word Count5,0391,639-0.18-0.4186.82%
45CP999Search Result Path Matches141-0.18-0.4477.40%
46CP165Keywords in H2 Tags503-0.18-0.4390.76%
47CPXX888Number of HTML Tags2,582878-0.18-0.4484.66%
48CP492Word Count3,6961,283-0.18-0.4084.75%
49ENT018Entities in Sentences62481-0.18-0.3897.49%
50CP137Keywords in the Canonical URL51-0.17-0.4483.68%
51CP134aSearch Terms in Body Tag21413-0.17-0.4089.87%
52CP471Keywords in Span Tags42610-0.17-0.4191.12%
53CP004Ahrefs Dofollow Backlinks132,1724,300-0.17-0.2715.96%
54CP128Keywords in Alt Attributes2158-0.17-0.3990.58%
55CP381Keywords in Meta Descriptions932-0.17-0.4382.87%
56CP487Keywords in pages top 5 most used phrases111-0.17-0.4584.66%
57DD010DomDetailer Majestic Referring Subnets73,43913,545-0.17-0.1929.15%
58DD008DomDetailer Majestic Referring Domains1,844,588305,059-0.17-0.2029.42%
59CP470aSearch Terms in the HTML Tag25311-0.17-0.4182.33%
60ENT008Entities in Meta Description Tag1083-0.17-0.4457.94%
61DD006DomDetailer Majestic IPs289,38149,483-0.17-0.1929.24%
62CP124aKeywords in Absolute URLs9,07263-0.17-0.3988.88%
63LSI006LSI Words in H2 Tags6414-0.17-0.4192.65%
64CP146Keywords in the First 100 Words2077-0.17-0.4279.55%
65DD015DomDetailer Moz PA7239-0.17-0.4026.91%
66DD013DomDetailer Moz DA8739-0.17-0.3726.10%
67CP425Number of HTTPS Links516148-0.17-0.3983.23%
68CP468Number of Sentences20250-0.17-0.3880.54%
69ENT001Entities in HTML Tag2,056293-0.17-0.3696.77%
70ENT002Entities in H1 Tags62-0.17-0.4156.50%
71CP108Search Result Summary Length412156-0.17-0.4182.69%
72DD005DomDetailer Majestic CF6434-0.17-0.3928.97%
73DD002DomDetailer Facebook Shares11,122,821576,538-0.17-0.2228.70%
74CP109Search Result Summary Text Matches213-0.17-0.4577.49%
75CP113Search Result URL Matches211-0.17-0.4179.01%
76CPXR018Keywords in Nav Tags6,45434-0.17-0.4190.22%
77CP152Keywords in H1 Tags131-0.16-0.4077.13%
78CP431Number of Internal Links502135-0.16-0.3783.41%
79GD003Google Density Variations7,75265-0.16-0.3872.65%
80CP435Number of Links517153-0.16-0.3782.69%
81CP486Keywords in pages top 3 most used phrases61-0.16-0.4483.14%
82CP410Number of DoFollow Links505147-0.16-0.3782.42%
83DD012DomDetailer Majestic TF6626-0.16-0.3328.52%
84CP484Leading Keywords in Title Tag10-0.16-0.4474.80%
85LSI003LSI Words in Meta Description Tag3499-0.16-0.3888.70%
86CPXR24Number of P Tags12935-0.16-0.3884.66%
87DD007DomDetailer Majestic Links162,172,83911,515,072-0.16-0.1629.33%
88CP169Keywords in H3 Tags822-0.15-0.3890.22%
89ENT005Entities in H4 Tags132-0.15-0.4160.81%
90CP151Leading Keywords in H1 Tags10-0.15-0.4177.13%
91CP476TF/IDF11-0.15-0.4381.35%
92CP038Ahrefs Has NoFollow Backlinks11-0.15-0.4015.78%
93CPXR003Number of Heading Tags6621-0.15-0.3683.86%
94CP358Inline Javascript Kilobytes15734-0.15-0.3481.70%
95CP383Keywords in Meta OpenGraph Description922-0.15-0.4078.74%
96CPX003Keywords in Main Tags15,49085-0.15-0.4285.29%
97CP159aSearch Terms in H1-H6 Tags121-0.15-0.3987.62%
98ENT013Has Entities in H2 Tags11-0.15-0.4456.86%
99CP385Keywords in Meta OpenGraph Content111-0.15-0.4175.07%
100CP125Keywords making whole A Tags41-0.15-0.3884.30%
101CP019Ahrefs Has DoFollow Backlinks10-0.15-0.4015.34%
102QS004Number of Questions In Headings71-0.15-0.3842.33%
103LSI005LSI Words in H1 Tags174-0.15-0.3586.55%
104DD016DomDetailer Moz Rank94-0.15-0.3625.65%
105QS003Number of Questions174-0.15-0.3477.85%
106CP072Search Result Document Matches131-0.15-0.3969.15%
107CP426Number of Images14028-0.15-0.3482.78%
108ENT010Title Tag Has Entities11-0.15-0.4051.93%
109CP164Leading Keywords in H2 Tags81-0.14-0.3785.56%
110LSI007LSI Words in H3 Tags17514-0.14-0.3591.75%
111CP472Keywords making whole Span Tags71-0.14-0.3882.87%
112CP376Keywords making whole LI Tags61-0.14-0.3880.63%
113CP391Number of Absolute URLs445140-0.14-0.3579.73%
114ENT012Has Entities in H1 Tags11-0.14-0.4151.75%
115DD014DomDetailer Moz Links113,944,22714,700,216-0.14-0.2128.43%
116CPJLDxSANumber Of JSON-LD Types1219-0.14-0.3873.90%
117CP467Keywords in Section Tags89015-0.14-0.4184.93%
118GD004Google Density Exact Matches353-0.14-0.3566.64%
119CP045Ahrefs Has Text Backlinks11-0.14-0.3816.05%
120CP427Number of Images with Alt Text11718-0.14-0.3583.14%
121CP374Keywords in the last 100 words2024-0.14-0.3678.65%
122CP017Ahrefs Has Backlinks11-0.14-0.3816.23%
123CP158Keywords making whole H1-H6 Tags30-0.14-0.3976.77%
124CP477Keywords in Title Attributes2638-0.14-0.3785.47%
125CPX013Keywords in Footer Tags3,80913-0.14-0.3584.75%
126CP483aSearch Terms in the Title Tag20-0.14-0.3880.72%
127CP070Ahrefs Word Count3,5601,106-0.14-0.3211.84%
128CPXR005Number of H2 Tags156-0.14-0.3485.02%
129ENT014Has Entities in H3 Tags11-0.14-0.4054.71%
130CP154Keywords making whole H1, H2, and H3 Tags20-0.14-0.3974.89%
131CP177Keywords in H4-H6 Tags431-0.13-0.3684.04%
132CP048Ahrefs Image Backlinks119,7502,270-0.13-0.2815.34%
133CP473Keywords in Strong Tags1132-0.13-0.3579.28%
134CP050Ahrefs Internal Links38486-0.13-0.2716.32%
135CPXR006Number of H3 Tags557-0.13-0.3381.88%
136CP353Head Size Kilobytes11940-0.13-0.3372.02%
137CP377Load Time Milliseconds35,9552,368-0.13-0.2669.42%
138CP168Leading Keywords in H3 Tags131-0.13-0.3583.41%
139CP173Keywords in H4 Tags351-0.13-0.3583.50%
140CP126aSearch Terms in A Tags642-0.13-0.3387.44%
141CP460Percentage of DoFollow Internal Links9776-0.13-0.3174.53%
142ENT011Meta Description Tag Has Entities11-0.13-0.3949.87%
143CP032Ahrefs Has Image Backlinks10-0.13-0.3614.44%
144CP057Ahrefs Page Size81,04924,782-0.13-0.2811.48%
145CP485Keywords in pages most used phrase20-0.13-0.3875.07%
146QS012Headings Has Question10-0.13-0.3971.03%
147CP413Number of External Links7217-0.13-0.3070.04%
148CP007Ahrefs External Links7418-0.13-0.2416.41%
149CP357Inline CSS Kilobytes9127-0.13-0.3475.70%
150CP099Search Result Number of Dirs in Path42-0.13-0.3360.45%
151CP469aSearch Terms in Sentences432-0.12-0.3286.46%
152CP130Keywords in Article Tags1,49021-0.12-0.3675.70%
153CPXR007Number of H4 Tags314-0.12-0.3175.78%
154CP356Keywords in I Tags802-0.12-0.3579.19%
155DD011DomDetailer Majestic Referring .gov Links20,976,5832,966,577-0.12-0.1926.37%
156PAGE009Number of Prices14731-0.12-0.2913.90%
157CP440Number of NoFollow Links346-0.12-0.3177.40%
158QS006Number of Questions In H2 Tags30-0.12-0.3475.34%
159CP213Has FavIcon11-0.12-0.3768.43%
160CP451Number of US Phone Numbers757-0.12-0.2874.80%
161CP139Keywords in Class Attributes6,49121-0.12-0.3277.13%
162CP052Ahrefs Linked Root Domains206-0.12-0.2816.32%
163CP319Has Schema Markup11-0.12-0.3867.89%
164ENT015Has Entities in H4 Tags10-0.12-0.3750.58%
165CP428Number of Images without Alt Text3410-0.12-0.2972.65%
166CP149Keywords making whole H1 Tags10-0.12-0.3773.27%
167QS007Number of Questions In H3 Tags30-0.12-0.3375.87%
168CP409Number of DoFollow External Links6915-0.12-0.2866.91%
169CP355Keywords in ID Attributes7162-0.12-0.3382.06%
170LSI008LSI Words in H4 Tags456-0.12-0.3285.92%
171CP005Ahrefs Domain Rating7833-0.12-0.3112.56%
172CPJLD011Has JSON-LD Answer10-0.12-0.3755.70%
173CP424Number of HREF Lang Tags212-0.12-0.3373.36%
174CPJLD217Has JSON-LD Question10-0.12-0.3755.61%
175CP479iiTitle Has Sentiment Words10-0.12-0.3565.38%
176CP439Number of NoFollow Externa Links263-0.12-0.3276.32%
177PAGE001Is Home Page10-0.12-0.346.10%
178CP176Leading Keywords in H4-H6 Tags80-0.12-0.3477.67%
179CP479Title Has Sales Words10-0.12-0.3465.83%
180CP432Number of JavaScript Includes3014-0.12-0.3069.06%
181BYTES01Bytes To First P Tag84,45052,550-0.12-0.3454.98%
182CP150aSearch Terms in H1 Tags10-0.12-0.3279.19%
183CP380Meta Description Length3,814124-0.12-0.2969.96%
184CP056Ahrefs Pages51-0.12-0.2516.14%
185CP445Number of Social Pages153-0.12-0.2670.13%
186CP150a2Search Terms in H2 Tags60-0.11-0.3285.56%
187CP131Average Words Per Sentence24042-0.11-0.2769.15%
188CP347Has US Phone Number10-0.11-0.3660.00%
189CPJLD007Has JSON-LD AggregateRating10-0.11-0.3662.60%
190CPXR011Keywords in Button Tags4101-0.11-0.3480.72%
191CPJLDxCBNumber Of Claimed Brands71-0.11-0.3359.55%
192CP313Has Privacy Policy11-0.11-0.3670.40%
193CP481bWord Count in Meta Description Tag60120-0.11-0.2971.12%
194CP022Ahrefs Has External Links11-0.11-0.3415.34%
195CP148Flesch Kincaid Reading Grade84-0.11-0.2934.71%
196CP203Has Apple Touch Icon10-0.11-0.3661.88%
197CP418Number of Forms182-0.11-0.2966.19%
198CP224Has Meta Charset11-0.11-0.3360.99%
199CP077Search Result Domain Matches60-0.11-0.3352.02%
200CP414Number of Facebook Accounts31-0.11-0.2968.88%


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