Top SEO Factors




Top SEO Factors - 2021-12-10      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 - 2021-12-10 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1ENT000aNumber of Entities Used7328-0.30-0.6165.94%
2CPZZZ50Number of Top 50 Shared Factors Used4227-0.29-0.4819.53%
3CPZZZ100Number of Top 100 Shared Factors Used7653-0.28-0.4919.89%
4CPZZZNumber of Factors Used204128-0.27-0.5292.19%
5CPZZZ200Number of Top 200 Shared Factors Used13494-0.24-0.4819.16%
6CP470Keywords in the HTML Tag36,841215-0.24-0.5194.64%
7CP134Keywords in Body Tag29,333187-0.23-0.5195.28%
8CPX010Keywords in Div Tags21,401142-0.23-0.4993.73%
9CP475Term Frequency115-0.22-0.4793.73%
10ENT009Entities in Title Tag62-0.22-0.5162.22%
11LSI002LSI Words in Sentences3,406524-0.22-0.4897.28%
12CP129Keywords in A Tags5,08234-0.22-0.4694.64%
13CP161Keywords in H1-H6 Tags1508-0.22-0.4792.46%
14CP157Keywords in H1, H2, and H3 Tags1036-0.21-0.4792.73%
15ENT003Entities in H2 Tags415-0.21-0.5065.03%
16CP465Keywords in P Tags2,18634-0.21-0.4992.01%
17CP127bKeywords in Unique A Tag HREFs1,70236-0.21-0.4587.56%
18CP097Search Result Link Text Matches71-0.21-0.4978.84%
19CP071Search Result Display URL Matches71-0.21-0.4978.84%
20CP375Keywords in LI Tags97119-0.21-0.4894.10%
21CP127Keywords in A Tag HREFs2,43453-0.21-0.4593.19%
22CP054Ahrefs NoFollow Backlinks128,2582,844-0.21-0.2614.35%
23CP153Keywords in H1 and H2 Tags424-0.21-0.4691.01%
24CP469Keywords in Sentences10922-0.20-0.4690.19%
25CKWD001Clean Keyword Density in the HTML Tag2044-0.20-0.4582.83%
26CP061Ahrefs Referring Class C Addresses1,26069-0.20-0.3214.44%
27CP135Body Tag Size Kilobytes30785-0.20-0.4788.92%
28CP062Ahrefs Referring Domains2,775112-0.20-0.3114.44%
29CP063Ahrefs Referring IP Addresses2,252102-0.20-0.3114.44%
30CP465cKeywords in script Tags5,79849-0.20-0.4691.73%
31ENT004Entities in H3 Tags365-0.19-0.4764.94%
32CP160Leading Keywords in H1-H6 Tags312-0.19-0.4488.74%
33CP481Keywords in Title Tag82-0.19-0.4579.29%
34CP002Ahrefs Backlinks260,3468,144-0.19-0.2314.71%
35CP064Ahrefs Referring Pages260,3468,144-0.19-0.2314.71%
36CP067Ahrefs Text Backlinks260,0547,983-0.19-0.2314.80%
37CP488Keywords in pages top 10 most used phrases222-0.19-0.4885.83%
38CP156Leading Keywords in H1, H2, and H3 Tags231-0.19-0.4488.92%
39CP458Page Size Kilobytes385149-0.19-0.4684.29%
40LSI001LSI Words in Title Tag145-0.19-0.4390.83%
41CP165Keywords in H2 Tags503-0.18-0.4491.55%
42GD001Google Variation Density3393-0.18-0.4480.65%
43CP059Ahrefs Rank3514-0.18-0.3912.90%
44CP140Clean Text Kilobytes3110-0.18-0.4085.29%
45ENT018Entities in Sentences62484-0.18-0.3997.91%
46CP492bUnabridged Word Count5,2111,631-0.18-0.4086.29%
47CP999Search Result Path Matches141-0.18-0.4476.39%
48CP137Keywords in the Canonical URL52-0.18-0.4582.92%
49CP492Word Count4,2611,277-0.18-0.4084.74%
50CPXX888Number of HTML Tags3,267870-0.18-0.4383.38%
51DD008DomDetailer Majestic Referring Domains1,844,588317,337-0.18-0.2230.88%
52CP381Keywords in Meta Descriptions932-0.18-0.4481.47%
53DD010DomDetailer Majestic Referring Subnets73,43913,709-0.18-0.2130.97%
54CP487Keywords in pages top 5 most used phrases111-0.17-0.4685.74%
55DD006DomDetailer Majestic IPs289,38150,316-0.17-0.2130.88%
56CP471Keywords in Span Tags42610-0.17-0.4190.55%
57ENT008Entities in Meta Description Tag1083-0.17-0.4557.31%
58CP134aSearch Terms in Body Tag21414-0.17-0.4090.28%
59DD015DomDetailer Moz PA7240-0.17-0.4028.43%
60DD005DomDetailer Majestic CF6634-0.17-0.4130.43%
61LSI006LSI Words in H2 Tags7514-0.17-0.4293.28%
62CP128Keywords in Alt Attributes2158-0.17-0.3990.64%
63CP470aSearch Terms in the HTML Tag25911-0.17-0.4183.02%
64CP124aKeywords in Absolute URLs9,07259-0.17-0.4089.74%
65CP108Search Result Summary Length407155-0.17-0.4282.92%
66DD013DomDetailer Moz DA8740-0.17-0.3827.70%
67ENT002Entities in H1 Tags62-0.17-0.4157.31%
68CP146Keywords in the First 100 Words2077-0.17-0.4279.75%
69ENT001Entities in HTML Tag3,831294-0.17-0.3696.37%
70CP152Keywords in H1 Tags81-0.17-0.4077.48%
71CP113Search Result URL Matches211-0.17-0.4177.93%
72CP468Number of Sentences20251-0.17-0.3981.47%
73CP109Search Result Summary Text Matches213-0.17-0.4577.11%
74CP004Ahrefs Dofollow Backlinks132,1724,922-0.17-0.2613.99%
75CP425Number of HTTPS Links516147-0.17-0.3782.20%
76CPXR018Keywords in Nav Tags6,45430-0.17-0.4189.55%
77CP486Keywords in pages top 3 most used phrases61-0.16-0.4483.56%
78DD002DomDetailer Facebook Shares11,122,821726,485-0.16-0.2330.61%
79DD012DomDetailer Majestic TF6627-0.16-0.3629.70%
80CP431Number of Internal Links502134-0.16-0.3782.92%
81GD003Google Density Variations5,91758-0.16-0.3875.02%
82CP435Number of Links517151-0.16-0.3681.56%
83DD007DomDetailer Majestic Links173,742,59814,152,011-0.16-0.1930.88%
84CP410Number of DoFollow Links505146-0.16-0.3681.38%
85LSI003LSI Words in Meta Description Tag3499-0.16-0.3987.83%
86CP484Leading Keywords in Title Tag10-0.16-0.4474.66%
87CP169Keywords in H3 Tags622-0.16-0.3890.46%
88CPXR24Number of P Tags12935-0.16-0.3884.47%
89CP476TF/IDF11-0.16-0.4481.74%
90CPXR003Number of Heading Tags7021-0.16-0.3784.65%
91ENT005Entities in H4 Tags132-0.15-0.4161.22%
92CP038Ahrefs Has NoFollow Backlinks11-0.15-0.4013.90%
93CP358Inline Javascript Kilobytes15334-0.15-0.3580.84%
94CP383Keywords in Meta OpenGraph Description922-0.15-0.4079.38%
95CP125Keywords making whole A Tags41-0.15-0.3984.20%
96QS004Number of Questions In Headings71-0.15-0.3842.42%
97CP151Leading Keywords in H1 Tags10-0.15-0.4177.57%
98CP164Leading Keywords in H2 Tags81-0.15-0.4085.65%
99LSI005LSI Words in H1 Tags174-0.15-0.3586.10%
100CP159aSearch Terms in H1-H6 Tags121-0.15-0.3887.65%
101CP385Keywords in Meta OpenGraph Content111-0.15-0.4176.11%
102ENT013Has Entities in H2 Tags11-0.15-0.4457.40%
103CPX003Keywords in Main Tags15,49076-0.15-0.4285.38%
104DD016DomDetailer Moz Rank94-0.15-0.3727.25%
105CP072Search Result Document Matches131-0.15-0.4068.39%
106ENT010Title Tag Has Entities11-0.15-0.4152.04%
107QS003Number of Questions174-0.15-0.3578.84%
108DD014DomDetailer Moz Links113,944,22715,123,048-0.15-0.2329.70%
109LSI007LSI Words in H3 Tags17514-0.15-0.3691.92%
110CP426Number of Images14027-0.15-0.3482.11%
111ENT012Has Entities in H1 Tags11-0.15-0.4252.50%
112CP472Keywords making whole Span Tags71-0.15-0.3882.11%
113CP391Number of Absolute URLs445139-0.14-0.3680.20%
114CP376Keywords making whole LI Tags61-0.14-0.3880.38%
115CP374Keywords in the last 100 words1934-0.14-0.3779.02%
116CPJLDxSANumber Of JSON-LD Types1219-0.14-0.3875.57%
117CP467Keywords in Section Tags32015-0.14-0.4183.65%
118CP427Number of Images with Alt Text11718-0.14-0.3583.02%
119CPXR005Number of H2 Tags166-0.14-0.3684.65%
120GD004Google Density Exact Matches353-0.14-0.3567.94%
121CPX013Keywords in Footer Tags3,76610-0.14-0.3684.65%
122CP158Keywords making whole H1-H6 Tags30-0.14-0.4075.57%
123CP477Keywords in Title Attributes2378-0.14-0.3784.74%
124CP019Ahrefs Has DoFollow Backlinks10-0.14-0.3913.53%
125ENT014Has Entities in H3 Tags11-0.14-0.4155.22%
126CP177Keywords in H4-H6 Tags351-0.14-0.3782.47%
127CP045Ahrefs Has Text Backlinks11-0.14-0.3714.17%
128CP483aSearch Terms in the Title Tag20-0.14-0.3880.84%
129CP154Keywords making whole H1, H2, and H3 Tags20-0.14-0.4074.30%
130CPXR006Number of H3 Tags557-0.13-0.3382.20%
131CP017Ahrefs Has Backlinks11-0.13-0.3614.35%
132CP168Leading Keywords in H3 Tags131-0.13-0.3683.47%
133CP473Keywords in Strong Tags1132-0.13-0.3579.65%
134QS012Headings Has Question10-0.13-0.4071.39%
135CP460Percentage of DoFollow Internal Links9776-0.13-0.3372.84%
136CP126aSearch Terms in A Tags872-0.13-0.3388.19%
137ENT011Meta Description Tag Has Entities11-0.13-0.3949.50%
138CP377Load Time Milliseconds35,9552,376-0.13-0.2668.12%
139CP485Keywords in pages most used phrase20-0.13-0.3975.02%
140CP353Head Size Kilobytes11940-0.13-0.3272.75%
141CP173Keywords in H4 Tags271-0.13-0.3583.02%
142PAGE009Number of Prices14732-0.13-0.3015.80%
143CP048Ahrefs Image Backlinks119,7502,652-0.13-0.2613.71%
144DD011DomDetailer Majestic Referring .gov Links19,414,1403,183,766-0.13-0.2127.43%
145QS006Number of Questions In H2 Tags30-0.13-0.3476.11%
146CP413Number of External Links7217-0.13-0.2971.12%
147CP099Search Result Number of Dirs in Path42-0.13-0.3459.31%
148CP469aSearch Terms in Sentences432-0.13-0.3286.92%
149CPXR007Number of H4 Tags314-0.13-0.3276.11%
150CP050Ahrefs Internal Links38485-0.13-0.2614.35%
151CP070Ahrefs Word Count3,5601,097-0.13-0.3111.17%
152CP139Keywords in Class Attributes6,46616-0.13-0.3277.48%
153CP356Keywords in I Tags723-0.12-0.3579.75%
154QS007Number of Questions In H3 Tags30-0.12-0.3476.75%
155CP032Ahrefs Has Image Backlinks10-0.12-0.3513.08%
156CP213Has FavIcon11-0.12-0.3768.94%
157ENT015Has Entities in H4 Tags10-0.12-0.3850.32%
158CP357Inline CSS Kilobytes9127-0.12-0.3376.20%
159CP355Keywords in ID Attributes7162-0.12-0.3481.11%
160LSI008LSI Words in H4 Tags606-0.12-0.3285.38%
161CP428Number of Images without Alt Text3410-0.12-0.2972.21%
162CP130Keywords in Article Tags1,49021-0.12-0.3577.48%
163CP409Number of DoFollow External Links6915-0.12-0.2767.57%
164CP319Has Schema Markup11-0.12-0.3869.03%
165CP440Number of NoFollow Links346-0.12-0.3077.48%
166CP451Number of US Phone Numbers1307-0.12-0.2874.66%
167CPJLD011Has JSON-LD Answer10-0.12-0.3755.04%
168CP005Ahrefs Domain Rating7833-0.12-0.3211.08%
169CPJLD217Has JSON-LD Question10-0.12-0.3755.04%
170CP176Leading Keywords in H4-H6 Tags80-0.12-0.3577.29%
171CP380Meta Description Length3,814125-0.12-0.3069.48%
172CP149Keywords making whole H1 Tags10-0.12-0.3672.57%
173CP481bWord Count in Meta Description Tag60120-0.12-0.3070.57%
174CP445Number of Social Pages153-0.12-0.2771.84%
175CP439Number of NoFollow Externa Links263-0.12-0.3176.39%
176CP424Number of HREF Lang Tags211-0.12-0.3272.57%
177BYTES01Bytes To First P Tag84,45052,128-0.12-0.3356.68%
178CP148Flesch Kincaid Reading Grade84-0.12-0.2935.42%
179CP432Number of JavaScript Includes3014-0.12-0.3070.39%
180CP150a2Search Terms in H2 Tags60-0.12-0.3286.19%
181CP479Title Has Sales Words10-0.12-0.3467.03%
182CP479iiTitle Has Sentiment Words10-0.12-0.3466.39%
183PAGE010Number of Schema Products20-0.12-0.375.54%
184CPXR011Keywords in Button Tags4101-0.12-0.3480.20%
185CP347Has US Phone Number10-0.12-0.3659.22%
186PAGE001Is Home Page10-0.12-0.336.90%
187CP465zKeywords in Form Tags90-0.12-0.3373.39%
188CP150aSearch Terms in H1 Tags10-0.11-0.3279.75%
189CPJLD007Has JSON-LD AggregateRating10-0.11-0.3661.67%
190CP418Number of Forms182-0.11-0.2967.30%
191CP007Ahrefs External Links5618-0.11-0.2214.26%
192CP131Average Words Per Sentence24042-0.11-0.2668.48%
193CP415Number of FaceBook Pages92-0.11-0.2871.66%
194CP313Has Privacy Policy11-0.11-0.3671.75%
195CP203Has Apple Touch Icon10-0.11-0.3661.67%
196CPX005Keywords in Aside Tags1,7938-0.11-0.3375.93%
197CPJLDxCBNumber Of Claimed Brands71-0.11-0.3261.40%
198CPXR015Keywords in Figure Tags6,54814-0.11-0.3274.93%
199CP414Number of Facebook Accounts31-0.11-0.3070.48%
200CP204Has Canonical URL11-0.11-0.3666.21%


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