Top SEO Factors




Top SEO Factors - 2021-12-24      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 - 2021-12-24 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1ENT000aNumber of Entities Used6829-0.30-0.6268.49%
2CPZZZ50Number of Top 50 Shared Factors Used4228-0.29-0.4822.83%
3CPZZZ100Number of Top 100 Shared Factors Used7655-0.28-0.4823.15%
4CPZZZ200Number of Top 200 Shared Factors Used13497-0.25-0.4722.08%
5CPZZZNumber of Factors Used217138-0.24-0.5091.21%
6CP470Keywords in the HTML Tag1,038195-0.24-0.5192.28%
7CPX010Keywords in Div Tags713132-0.24-0.5091.10%
8CP134Keywords in Body Tag980173-0.23-0.5293.35%
9CP054Ahrefs NoFollow Backlinks5,409228-0.23-0.2813.29%
10CP063Ahrefs Referring IP Addresses45853-0.23-0.3013.18%
11CP061Ahrefs Referring Class C Addresses31041-0.23-0.3113.18%
12CP062Ahrefs Referring Domains48953-0.22-0.3013.08%
13LSI002LSI Words in Sentences3,406601-0.22-0.4797.00%
14CP475Term Frequency75-0.22-0.4892.39%
15CP059Ahrefs Rank4115-0.22-0.4311.68%
16CP127bKeywords in Unique A Tag HREFs18138-0.22-0.4589.17%
17ENT003Entities in H2 Tags417-0.22-0.5167.74%
18CP067Ahrefs Text Backlinks71,9421,977-0.22-0.2313.50%
19CP161Keywords in H1-H6 Tags329-0.22-0.4790.68%
20CP064Ahrefs Referring Pages71,9562,144-0.22-0.2313.50%
21CP002Ahrefs Backlinks71,9562,144-0.22-0.2313.50%
22CP127Keywords in A Tag HREFs26654-0.22-0.4591.53%
23CP129Keywords in A Tags13629-0.22-0.4592.60%
24CP157Keywords in H1, H2, and H3 Tags307-0.21-0.4691.43%
25CP465Keywords in P Tags17838-0.21-0.4790.78%
26CP153Keywords in H1 and H2 Tags185-0.21-0.4889.50%
27CP469Keywords in Sentences12527-0.21-0.4589.82%
28ENT009Entities in Title Tag63-0.21-0.4964.63%
29CP375Keywords in LI Tags7320-0.21-0.4691.21%
30CKWD001Clean Keyword Density in the HTML Tag114-0.20-0.4782.21%
31ENT004Entities in H3 Tags366-0.20-0.4767.63%
32CP999Search Result Path Matches52-0.20-0.4977.28%
33GD001Google Variation Density103-0.20-0.4680.49%
34CP134aSearch Terms in Body Tag21213-0.20-0.4391.43%
35CP113Search Result URL Matches52-0.20-0.4880.28%
36CP488Keywords in pages top 10 most used phrases52-0.19-0.5085.85%
37CP135Body Tag Size Kilobytes25285-0.19-0.4585.85%
38CP160Leading Keywords in H1-H6 Tags102-0.19-0.4587.03%
39CP470aSearch Terms in the HTML Tag2599-0.19-0.4486.07%
40CP140Clean Text Kilobytes3111-0.19-0.4183.71%
41CP487Keywords in pages top 5 most used phrases31-0.19-0.5085.85%
42CP156Leading Keywords in H1, H2, and H3 Tags62-0.19-0.4586.50%
43CP108Search Result Summary Length357161-0.19-0.4483.28%
44CP004Ahrefs Dofollow Backlinks69,3661,799-0.19-0.2413.40%
45CP165Keywords in H2 Tags163-0.19-0.4492.82%
46CP492bUnabridged Word Count5,2111,789-0.19-0.4187.14%
47CP137Keywords in the Canonical URL52-0.19-0.4882.85%
48CP458Page Size Kilobytes336148-0.19-0.4684.35%
49CPXX888Number of HTML Tags3,267863-0.19-0.4481.14%
50CP097Search Result Link Text Matches31-0.19-0.4675.67%
51CP071Search Result Display URL Matches31-0.19-0.4675.67%
52CP465cKeywords in script Tags45341-0.19-0.4391.64%
53CP124aKeywords in Absolute URLs44254-0.18-0.4489.50%
54CP492Word Count4,2611,396-0.18-0.4084.99%
55DD010DomDetailer Majestic Referring Subnets73,43913,986-0.18-0.2430.33%
56DD015DomDetailer Moz PA7244-0.18-0.4328.19%
57LSI001LSI Words in Title Tag145-0.18-0.4490.46%
58DD006DomDetailer Majestic IPs269,95946,872-0.18-0.2430.33%
59DD005DomDetailer Majestic CF6638-0.18-0.4429.80%
60DD008DomDetailer Majestic Referring Domains1,586,981263,862-0.18-0.2430.44%
61LSI006LSI Words in H2 Tags9016-0.18-0.4393.78%
62ENT002Entities in H1 Tags62-0.18-0.4257.56%
63CP146Keywords in the First 100 Words207-0.18-0.4478.78%
64ENT018Entities in Sentences624101-0.18-0.3697.32%
65CP486Keywords in pages top 3 most used phrases21-0.18-0.4882.53%
66CP481Keywords in Title Tag32-0.18-0.4375.24%
67CP381Keywords in Meta Descriptions62-0.17-0.4581.14%
68CP072Search Result Document Matches51-0.17-0.4569.77%
69CP468Number of Sentences20257-0.17-0.3983.39%
70CP109Search Result Summary Text Matches63-0.17-0.4780.92%
71CP471Keywords in Span Tags4010-0.17-0.3988.10%
72CP128Keywords in Alt Attributes568-0.17-0.3987.14%
73ENT008Entities in Meta Description Tag113-0.17-0.4458.95%
74DD013DomDetailer Moz DA8744-0.17-0.4027.87%
75LSI003LSI Words in Meta Description Tag289-0.17-0.4287.14%
76CP425Number of HTTPS Links516143-0.17-0.3880.06%
77CP410Number of DoFollow Links505142-0.17-0.3877.81%
78CP484Leading Keywords in Title Tag10-0.17-0.4674.17%
79CP431Number of Internal Links502129-0.17-0.3879.85%
80CP159aSearch Terms in H1-H6 Tags121-0.17-0.4088.42%
81CP038Ahrefs Has NoFollow Backlinks11-0.17-0.4613.08%
82CP435Number of Links517147-0.17-0.3778.67%
83GD004Google Density Exact Matches282-0.17-0.3967.74%
84CPXR24Number of P Tags12938-0.16-0.3885.21%
85CPXR003Number of Heading Tags7021-0.16-0.4085.85%
86GD003Google Density Variations19943-0.16-0.3974.92%
87DD012DomDetailer Majestic TF6629-0.16-0.3929.05%
88CP169Keywords in H3 Tags143-0.16-0.3988.42%
89DD007DomDetailer Majestic Links173,742,59819,515,366-0.16-0.1930.76%
90CPX003Keywords in Main Tags50560-0.16-0.4584.46%
91ENT001Entities in HTML Tag3,831325-0.16-0.3493.68%
92CP164Leading Keywords in H2 Tags31-0.16-0.4284.99%
93CPXR018Keywords in Nav Tags23021-0.16-0.3985.85%
94CP151Leading Keywords in H1 Tags10-0.16-0.4375.56%
95LSI007LSI Words in H3 Tags17516-0.16-0.3891.10%
96DD016DomDetailer Moz Rank95-0.16-0.3927.97%
97QS004Number of Questions In Headings71-0.16-0.3833.65%
98CP152Keywords in H1 Tags31-0.16-0.3876.53%
99DD002DomDetailer Facebook Shares11,122,821-1,846,616-0.15-0.2530.65%
100QS003Number of Questions155-0.15-0.3778.14%
101CP476TF/IDF11-0.15-0.4479.10%
102CP070Ahrefs Word Count3,2191,174-0.15-0.3610.61%
103CPXR005Number of H2 Tags176-0.15-0.3884.78%
104LSI005LSI Words in H1 Tags134-0.15-0.3487.14%
105CP005Ahrefs Domain Rating7535-0.15-0.3710.61%
106CP125Keywords making whole A Tags51-0.15-0.3884.67%
107CP358Inline Javascript Kilobytes11232-0.15-0.3582.85%
108CP483aSearch Terms in the Title Tag10-0.15-0.4181.14%
109CP426Number of Images14027-0.15-0.3778.78%
110CP374Keywords in the last 100 words114-0.15-0.3778.14%
111CP383Keywords in Meta OpenGraph Description122-0.15-0.4078.35%
112DD014DomDetailer Moz Links91,215,13512,786,602-0.15-0.2329.90%
113CP019Ahrefs Has DoFollow Backlinks11-0.15-0.4212.86%
114ENT005Entities in H4 Tags132-0.15-0.4162.27%
115CPX013Keywords in Footer Tags536-0.15-0.3680.60%
116ENT013Has Entities in H2 Tags11-0.14-0.4460.24%
117CP045Ahrefs Has Text Backlinks11-0.14-0.4112.97%
118CP376Keywords making whole LI Tags51-0.14-0.3880.60%
119CP017Ahrefs Has Backlinks11-0.14-0.4112.75%
120CPJLDxSANumber Of JSON-LD Types11210-0.14-0.3979.53%
121ENT014Has Entities in H3 Tags11-0.14-0.4356.06%
122CP427Number of Images with Alt Text11717-0.14-0.3681.56%
123CP472Keywords making whole Span Tags51-0.14-0.3581.99%
124CP391Number of Absolute URLs489146-0.14-0.3582.42%
125CP469aSearch Terms in Sentences432-0.14-0.3788.10%
126CP150aSearch Terms in H1 Tags10-0.14-0.3781.24%
127CPXR006Number of H3 Tags558-0.14-0.3582.85%
128CP385Keywords in Meta OpenGraph Content31-0.14-0.4075.46%
129CP477Keywords in Title Attributes868-0.14-0.3683.82%
130ENT010Title Tag Has Entities11-0.14-0.4050.91%
131CP168Leading Keywords in H3 Tags31-0.14-0.3779.85%
132CP413Number of External Links8119-0.14-0.3275.78%
133QS012Headings Has Question10-0.14-0.4170.95%
134CP485Keywords in pages most used phrase10-0.14-0.4174.49%
135ENT012Has Entities in H1 Tags11-0.13-0.3953.59%
136CP050Ahrefs Internal Links73788-0.13-0.2613.18%
137CP177Keywords in H4-H6 Tags132-0.13-0.3679.10%
138CP467Keywords in Section Tags9218-0.13-0.3782.32%
139CP355Keywords in ID Attributes201-0.13-0.3782.74%
140CP473Keywords in Strong Tags173-0.13-0.3480.60%
141PAGE009Number of Prices14733-0.13-0.3319.72%
142DD011DomDetailer Majestic Referring .gov Links18,136,1282,285,860-0.13-0.1827.87%
143CP057Ahrefs Page Size59,72126,485-0.13-0.2910.40%
144ENT011Meta Description Tag Has Entities11-0.13-0.4051.23%
145CP150a2Search Terms in H2 Tags60-0.13-0.3787.57%
146CP409Number of DoFollow External Links6816-0.13-0.3074.17%
147CP048Ahrefs Image Backlinks15,977485-0.13-0.2312.54%
148CP158Keywords making whole H1-H6 Tags40-0.13-0.3775.03%
149CP139Keywords in Class Attributes1807-0.13-0.3273.95%
150CP126aSearch Terms in A Tags872-0.13-0.3487.46%
151CP032Ahrefs Has Image Backlinks10-0.13-0.3712.43%
152CP154Keywords making whole H1, H2, and H3 Tags10-0.13-0.3873.42%
153QS006Number of Questions In H2 Tags31-0.13-0.3375.88%
154CP052Ahrefs Linked Root Domains166-0.13-0.3112.75%
155QS007Number of Questions In H3 Tags31-0.13-0.3576.21%
156CP460Percentage of DoFollow Internal Links9477-0.13-0.3365.49%
157CP173Keywords in H4 Tags81-0.13-0.3581.89%
158CPJLD011Has JSON-LD Answer10-0.13-0.3959.38%
159CP353Head Size Kilobytes11941-0.12-0.3377.28%
160CP007Ahrefs External Links5418-0.12-0.2312.97%
161CPJLD217Has JSON-LD Question10-0.12-0.3859.38%
162CPXR011Keywords in Button Tags141-0.12-0.3676.21%
163CP465zKeywords in Form Tags51-0.12-0.3672.24%
164CP357Inline CSS Kilobytes9128-0.12-0.3578.35%
165CPJLD131Has JSON-LD LegalService10-0.12-0.365.79%
166CP130Keywords in Article Tags15723-0.12-0.3780.28%
167CP451Number of US Phone Numbers1307-0.12-0.2772.56%
168CP099Search Result Number of Dirs in Path32-0.12-0.3460.66%
169CP347Has US Phone Number10-0.12-0.3856.16%
170LSI008LSI Words in H4 Tags607-0.12-0.3184.99%
171CP149Keywords making whole H1 Tags10-0.12-0.3771.38%
172CP481bWord Count in Meta Description Tag4420-0.12-0.3270.42%
173CP380Meta Description Length288123-0.12-0.3171.17%
174CP356Keywords in I Tags293-0.12-0.3475.88%
175CP034Ahrefs Has Internal Links11-0.12-0.3711.68%
176CP114Search Result Uses HTTPS11-0.12-0.3661.41%
177CPXR015Keywords in Figure Tags1878-0.12-0.3476.53%
178CP133Keywords in B Tags102-0.12-0.3271.06%
179CP377Load Time Milliseconds45,8552,404-0.12-0.2568.06%
180CP313Has Privacy Policy11-0.12-0.3774.71%
181CPXR007Number of H4 Tags254-0.12-0.3075.88%
182PAGE010Number of Schema Products131-0.12-0.379.54%
183CP104bSearch Result Publish Date2,014,085,5931,892,034,546-0.12-0.3045.77%
184CP381aSearch Terms in Meta Descriptions10-0.12-0.3584.35%
185CPJLDxKANumber Of JSON-LD Entity References81-0.12-0.3659.81%
186CP491Keywords in Value Attributes482-0.12-0.3072.45%
187CP213Has FavIcon11-0.12-0.3863.99%
188CP036Ahrefs Has Linked Root Domains11-0.12-0.3611.90%
189CP056Ahrefs Pages51-0.12-0.2612.54%
190CP428Number of Images without Alt Text7010-0.12-0.3170.42%
191CP479Title Has Sales Words10-0.12-0.3471.38%
192CP439Number of NoFollow Externa Links303-0.11-0.3174.38%
193CP345Has Terms of Service10-0.11-0.3669.13%
194CP142Keywords in Em Tags50-0.11-0.3373.85%
195CPX005Keywords in Aside Tags746-0.11-0.3374.92%
196CP479iiTitle Has Sentiment Words10-0.11-0.3471.60%
197ENT015Has Entities in H4 Tags10-0.11-0.3650.59%
198CPJLD189Has JSON-LD Organization10-0.11-0.3761.63%
199CP204Has Canonical URL11-0.11-0.3765.49%
200CP445Number of Social Pages103-0.11-0.2671.92%


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