Top SEO Factors




Top SEO Factors - 2021-12-13      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 - 2021-12-13 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1ENT000aNumber of Entities Used7028-0.30-0.6166.60%
2CPZZZ50Number of Top 50 Shared Factors Used4227-0.29-0.4720.89%
3CPZZZ100Number of Top 100 Shared Factors Used7653-0.27-0.4921.27%
4CPZZZNumber of Factors Used204128-0.27-0.5292.49%
5CPZZZ200Number of Top 200 Shared Factors Used13494-0.24-0.4820.50%
6CP470Keywords in the HTML Tag31,765195-0.24-0.5194.32%
7CP134Keywords in Body Tag27,155172-0.24-0.5295.00%
8CPX010Keywords in Div Tags16,292130-0.23-0.5093.55%
9CP475Term Frequency115-0.23-0.4793.36%
10LSI002LSI Words in Sentences3,406530-0.22-0.4897.59%
11CP129Keywords in A Tags3,72432-0.22-0.4694.03%
12ENT009Entities in Title Tag62-0.22-0.5162.85%
13CP161Keywords in H1-H6 Tags1508-0.22-0.4792.30%
14CP157Keywords in H1, H2, and H3 Tags1036-0.21-0.4792.30%
15CP127bKeywords in Unique A Tag HREFs1,70236-0.21-0.4689.03%
16ENT003Entities in H2 Tags415-0.21-0.5065.64%
17CP465Keywords in P Tags1,57933-0.21-0.4991.82%
18CP127Keywords in A Tag HREFs2,43453-0.21-0.4692.59%
19CP054Ahrefs NoFollow Backlinks128,2581,645-0.21-0.2614.15%
20CP153Keywords in H1 and H2 Tags424-0.21-0.4790.76%
21CP375Keywords in LI Tags81019-0.21-0.4893.94%
22CP097Search Result Link Text Matches71-0.21-0.4879.40%
23CP071Search Result Display URL Matches71-0.21-0.4879.40%
24CKWD001Clean Keyword Density in the HTML Tag114-0.20-0.4682.58%
25CP469Keywords in Sentences10922-0.20-0.4690.38%
26CP061Ahrefs Referring Class C Addresses1,22454-0.20-0.3114.15%
27CP062Ahrefs Referring Domains2,67683-0.20-0.3014.15%
28CP135Body Tag Size Kilobytes30785-0.20-0.4688.45%
29CP063Ahrefs Referring IP Addresses2,18978-0.20-0.3014.15%
30CP465cKeywords in script Tags5,41746-0.20-0.4691.72%
31CP160Leading Keywords in H1-H6 Tags312-0.19-0.4488.26%
32CP067Ahrefs Text Backlinks260,0545,067-0.19-0.2314.53%
33CP064Ahrefs Referring Pages260,3465,237-0.19-0.2314.44%
34CP002Ahrefs Backlinks260,3465,237-0.19-0.2314.44%
35CP488Keywords in pages top 10 most used phrases222-0.19-0.4885.66%
36GD001Google Variation Density3343-0.19-0.4581.91%
37CP481Keywords in Title Tag82-0.19-0.4579.02%
38ENT004Entities in H3 Tags365-0.19-0.4765.74%
39CP156Leading Keywords in H1, H2, and H3 Tags231-0.19-0.4488.16%
40CP999Search Result Path Matches141-0.19-0.4576.61%
41CP165Keywords in H2 Tags343-0.19-0.4491.34%
42CP458Page Size Kilobytes385150-0.19-0.4683.83%
43LSI001LSI Words in Title Tag145-0.19-0.4391.43%
44ENT018Entities in Sentences62487-0.18-0.3997.98%
45CP059Ahrefs Rank3513-0.18-0.3812.51%
46CP137Keywords in the Canonical URL42-0.18-0.4583.54%
47CP140Clean Text Kilobytes3110-0.18-0.4085.08%
48CP492bUnabridged Word Count5,2111,641-0.18-0.4086.14%
49CP134aSearch Terms in Body Tag21414-0.18-0.4190.57%
50CP470aSearch Terms in the HTML Tag25911-0.18-0.4283.25%
51CP487Keywords in pages top 5 most used phrases111-0.18-0.4785.27%
52CPXX888Number of HTML Tags3,267873-0.18-0.4382.58%
53DD010DomDetailer Majestic Referring Subnets73,43913,979-0.18-0.2331.86%
54CP492Word Count4,2611,286-0.18-0.3984.70%
55DD008DomDetailer Majestic Referring Domains1,844,588317,238-0.18-0.2331.86%
56DD006DomDetailer Majestic IPs289,38150,919-0.18-0.2231.86%
57DD005DomDetailer Majestic CF6635-0.18-0.4231.47%
58CP381Keywords in Meta Descriptions222-0.18-0.4481.62%
59CP146Keywords in the First 100 Words2057-0.18-0.4379.79%
60ENT002Entities in H1 Tags62-0.18-0.4257.94%
61CP128Keywords in Alt Attributes2158-0.18-0.4090.57%
62DD015DomDetailer Moz PA7240-0.18-0.4129.16%
63CP113Search Result URL Matches212-0.18-0.4278.34%
64LSI006LSI Words in H2 Tags9014-0.18-0.4393.74%
65CP471Keywords in Span Tags3739-0.18-0.4190.57%
66CP124aKeywords in Absolute URLs9,07256-0.17-0.4190.47%
67ENT008Entities in Meta Description Tag113-0.17-0.4557.84%
68DD013DomDetailer Moz DA8740-0.17-0.3928.49%
69CP108Search Result Summary Length357155-0.17-0.4283.54%
70CP152Keywords in H1 Tags81-0.17-0.4178.44%
71ENT001Entities in HTML Tag3,831300-0.17-0.3796.15%
72CP004Ahrefs Dofollow Backlinks132,1723,062-0.17-0.2613.76%
73CP486Keywords in pages top 3 most used phrases61-0.17-0.4583.64%
74CP468Number of Sentences20251-0.17-0.3882.19%
75CP425Number of HTTPS Links516147-0.17-0.3880.85%
76CPXR018Keywords in Nav Tags3,69826-0.17-0.4188.93%
77CP109Search Result Summary Text Matches213-0.17-0.4477.29%
78DD012DomDetailer Majestic TF6627-0.16-0.3630.80%
79CP431Number of Internal Links502134-0.16-0.3781.71%
80CP484Leading Keywords in Title Tag10-0.16-0.4574.69%
81DD002DomDetailer Facebook Shares11,122,821673,669-0.16-0.2331.47%
82GD003Google Density Variations5,87854-0.16-0.3876.80%
83CP435Number of Links517152-0.16-0.3780.27%
84CP410Number of DoFollow Links505146-0.16-0.3780.08%
85LSI003LSI Words in Meta Description Tag289-0.16-0.3988.26%
86DD007DomDetailer Majestic Links173,742,59815,288,391-0.16-0.1831.67%
87CP476TF/IDF11-0.16-0.4482.10%
88CPXR24Number of P Tags12935-0.16-0.3984.99%
89CPXR003Number of Heading Tags7021-0.16-0.3783.93%
90CP159aSearch Terms in H1-H6 Tags121-0.16-0.3988.07%
91CP038Ahrefs Has NoFollow Backlinks11-0.16-0.4113.57%
92CP151Leading Keywords in H1 Tags10-0.16-0.4277.67%
93LSI005LSI Words in H1 Tags144-0.16-0.3587.20%
94CP072Search Result Document Matches131-0.16-0.4068.53%
95CP169Keywords in H3 Tags622-0.16-0.3890.18%
96QS004Number of Questions In Headings71-0.16-0.3941.48%
97CP125Keywords making whole A Tags41-0.16-0.4084.50%
98CP358Inline Javascript Kilobytes15335-0.15-0.3680.85%
99CP164Leading Keywords in H2 Tags81-0.15-0.4085.18%
100ENT005Entities in H4 Tags132-0.15-0.4262.08%
101CPX003Keywords in Main Tags15,49070-0.15-0.4385.47%
102CP383Keywords in Meta OpenGraph Description261-0.15-0.4179.31%
103DD014DomDetailer Moz Links113,944,22715,244,191-0.15-0.2330.41%
104DD016DomDetailer Moz Rank94-0.15-0.3728.10%
105GD004Google Density Exact Matches353-0.15-0.3669.30%
106CP385Keywords in Meta OpenGraph Content111-0.15-0.4176.52%
107ENT013Has Entities in H2 Tags11-0.15-0.4457.94%
108QS003Number of Questions174-0.15-0.3478.92%
109CP374Keywords in the last 100 words1934-0.15-0.3779.69%
110ENT010Title Tag Has Entities11-0.15-0.4152.84%
111CP426Number of Images14027-0.15-0.3582.58%
112LSI007LSI Words in H3 Tags17514-0.15-0.3691.92%
113ENT012Has Entities in H1 Tags11-0.15-0.4253.22%
114CP472Keywords making whole Span Tags71-0.15-0.3882.39%
115CP427Number of Images with Alt Text11718-0.15-0.3683.06%
116CPJLDxSANumber Of JSON-LD Types1219-0.15-0.3976.80%
117CP376Keywords making whole LI Tags61-0.15-0.3881.14%
118CPXR005Number of H2 Tags166-0.15-0.3684.12%
119CP483aSearch Terms in the Title Tag20-0.14-0.3980.37%
120CPX013Keywords in Footer Tags1,3097-0.14-0.3684.99%
121CP391Number of Absolute URLs445139-0.14-0.3580.46%
122CP019Ahrefs Has DoFollow Backlinks10-0.14-0.3913.38%
123CP467Keywords in Section Tags32015-0.14-0.4083.73%
124CP477Keywords in Title Attributes2258-0.14-0.3784.41%
125CP158Keywords making whole H1-H6 Tags30-0.14-0.3975.84%
126CP177Keywords in H4-H6 Tags351-0.14-0.3682.48%
127ENT014Has Entities in H3 Tags11-0.14-0.4155.82%
128CP045Ahrefs Has Text Backlinks11-0.14-0.3713.86%
129CP017Ahrefs Has Backlinks11-0.14-0.3713.86%
130CP154Keywords making whole H1, H2, and H3 Tags10-0.14-0.3974.40%
131CPXR006Number of H3 Tags557-0.13-0.3381.71%
132CP460Percentage of DoFollow Internal Links9776-0.13-0.3372.76%
133CP473Keywords in Strong Tags1132-0.13-0.3580.08%
134CP168Leading Keywords in H3 Tags131-0.13-0.3683.16%
135CP485Keywords in pages most used phrase10-0.13-0.3975.26%
136CP126aSearch Terms in A Tags872-0.13-0.3387.68%
137QS012Headings Has Question10-0.13-0.4071.99%
138ENT011Meta Description Tag Has Entities11-0.13-0.3950.34%
139CP173Keywords in H4 Tags271-0.13-0.3583.64%
140CP377Load Time Milliseconds45,8552,411-0.13-0.2668.72%
141CP353Head Size Kilobytes11940-0.13-0.3372.86%
142CP099Search Result Number of Dirs in Path42-0.13-0.3459.96%
143CP050Ahrefs Internal Links38480-0.13-0.2513.96%
144DD011DomDetailer Majestic Referring .gov Links19,414,1403,143,171-0.13-0.2128.30%
145PAGE009Number of Prices14731-0.13-0.3016.94%
146CP469aSearch Terms in Sentences432-0.13-0.3386.81%
147CP048Ahrefs Image Backlinks119,7501,548-0.13-0.2513.28%
148CP413Number of External Links7217-0.13-0.2871.03%
149CP355Keywords in ID Attributes7162-0.13-0.3581.23%
150QS006Number of Questions In H2 Tags30-0.13-0.3476.52%
151CP032Ahrefs Has Image Backlinks10-0.13-0.3512.51%
152CP356Keywords in I Tags473-0.13-0.3579.88%
153CP139Keywords in Class Attributes5,49811-0.13-0.3176.90%
154CPXR007Number of H4 Tags314-0.12-0.3176.32%
155CP451Number of US Phone Numbers1307-0.12-0.2874.69%
156CP357Inline CSS Kilobytes9127-0.12-0.3375.94%
157CP213Has FavIcon11-0.12-0.3869.30%
158QS007Number of Questions In H3 Tags30-0.12-0.3477.00%
159CP130Keywords in Article Tags1,49020-0.12-0.3577.86%
160CP070Ahrefs Word Count3,5601,103-0.12-0.3010.88%
161CP347Has US Phone Number10-0.12-0.3759.19%
162CP428Number of Images without Alt Text459-0.12-0.2972.67%
163CP409Number of DoFollow External Links6915-0.12-0.2768.05%
164LSI008LSI Words in H4 Tags606-0.12-0.3185.85%
165CP380Meta Description Length288121-0.12-0.3069.59%
166CP440Number of NoFollow Links446-0.12-0.3076.71%
167CP319Has Schema Markup11-0.12-0.3868.14%
168CP150aSearch Terms in H1 Tags10-0.12-0.3280.37%
169ENT015Has Entities in H4 Tags10-0.12-0.3751.01%
170CP005Ahrefs Domain Rating7631-0.12-0.3110.59%
171CP007Ahrefs External Links5617-0.12-0.2313.96%
172CP149Keywords making whole H1 Tags10-0.12-0.3773.15%
173CP481bWord Count in Meta Description Tag4419-0.12-0.3070.93%
174CP465zKeywords in Form Tags90-0.12-0.3474.40%
175BYTES01Bytes To First P Tag84,45052,334-0.12-0.3457.07%
176CP176Leading Keywords in H4-H6 Tags80-0.12-0.3477.48%
177CPJLD011Has JSON-LD Answer10-0.12-0.3654.96%
178CPJLD217Has JSON-LD Question10-0.12-0.3654.96%
179CP150a2Search Terms in H2 Tags60-0.12-0.3286.91%
180CP148Flesch Kincaid Reading Grade84-0.12-0.2934.55%
181CP424Number of HREF Lang Tags211-0.12-0.3271.22%
182PAGE001Is Home Page10-0.12-0.337.51%
183CP439Number of NoFollow Externa Links253-0.12-0.3175.55%
184CP131Average Words Per Sentence24042-0.12-0.2768.24%
185CP479Title Has Sales Words10-0.12-0.3466.60%
186PAGE010Number of Schema Products20-0.12-0.375.87%
187CP313Has Privacy Policy11-0.12-0.3671.99%
188CP204Has Canonical URL11-0.12-0.3765.83%
189CP445Number of Social Pages153-0.12-0.2672.57%
190CP479iiTitle Has Sentiment Words10-0.11-0.3466.12%
191CPXR011Keywords in Button Tags2071-0.11-0.3480.37%
192CP432Number of JavaScript Includes3014-0.11-0.3069.87%
193CP418Number of Forms182-0.11-0.2968.05%
194CP052Ahrefs Linked Root Domains166-0.11-0.2713.76%
195CPJLD007Has JSON-LD AggregateRating10-0.11-0.3661.60%
196CP056Ahrefs Pages51-0.11-0.2614.24%
197CPX005Keywords in Aside Tags1,7938-0.11-0.3376.42%
198CP208Has Copyright11-0.11-0.3665.54%
199CP133Keywords in B Tags491-0.11-0.3274.01%
200CP203Has Apple Touch Icon10-0.11-0.3661.02%


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