Top SEO Factors




Top SEO Factors - 2021-11-05      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 - 2021-11-05 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1ENT000aNumber of Entities Used6025-0.30-0.6373.68%
2CPZZZNumber of Factors Used209136-0.25-0.5290.60%
3CP470Keywords in the HTML Tag38,261184-0.25-0.5295.53%
4CP061Ahrefs Referring Class C Addresses43240-0.24-0.4120.68%
5CP063Ahrefs Referring IP Addresses1,27553-0.24-0.4020.68%
6CP059Ahrefs Rank3916-0.24-0.5017.51%
7CPX010Keywords in Div Tags22,921130-0.24-0.5294.95%
8CP062Ahrefs Referring Domains1,17354-0.24-0.3920.80%
9CP067Ahrefs Text Backlinks1,191,1206,480-0.24-0.3320.45%
10CP064Ahrefs Referring Pages1,191,1236,493-0.23-0.3320.45%
11CP002Ahrefs Backlinks1,191,1246,493-0.23-0.3320.45%
12CP134Keywords in Body Tag28,871154-0.23-0.5395.30%
13CP475Term Frequency115-0.23-0.4994.36%
14CP054Ahrefs NoFollow Backlinks12,557239-0.23-0.3720.56%
15CP161Keywords in H1-H6 Tags317-0.22-0.4992.13%
16CP129Keywords in A Tags5,15829-0.22-0.4794.48%
17LSI002LSI Words in Sentences3,220463-0.22-0.4796.12%
18CP157Keywords in H1, H2, and H3 Tags276-0.22-0.4891.42%
19CP465Keywords in P Tags19630-0.22-0.4992.13%
20CP153Keywords in H1 and H2 Tags164-0.21-0.4890.83%
21ENT003Entities in H2 Tags305-0.21-0.5070.04%
22CP004Ahrefs Dofollow Backlinks1,187,8816,153-0.21-0.3120.33%
23CP469Keywords in Sentences14221-0.21-0.4689.31%
24ENT009Entities in Title Tag62-0.21-0.5069.57%
25CP097Search Result Link Text Matches31-0.21-0.5080.96%
26CP071Search Result Display URL Matches31-0.21-0.5080.96%
27CP127Keywords in A Tag HREFs2,23145-0.21-0.4592.13%
28CP127bKeywords in Unique A Tag HREFs1,62331-0.21-0.4577.79%
29CP375Keywords in LI Tags16917-0.21-0.4794.95%
30CKWD001Clean Keyword Density in the HTML Tag2034-0.20-0.4576.50%
31GD001Google Variation Density3343-0.20-0.4770.39%
32ENT018Entities in Sentences52484-0.20-0.4297.41%
33CP481Keywords in Title Tag42-0.20-0.4882.02%
34CP999Search Result Path Matches41-0.20-0.4870.04%
35CP135Body Tag Size Kilobytes29582-0.20-0.4791.66%
36CPXX888Number of HTML Tags3,347894-0.20-0.4889.31%
37CP165Keywords in H2 Tags153-0.20-0.4788.95%
38ENT004Entities in H3 Tags225-0.19-0.4870.98%
39CP458Page Size Kilobytes368145-0.19-0.4988.25%
40CP160Leading Keywords in H1-H6 Tags282-0.19-0.4489.89%
41CP465cKeywords in script Tags5,23436-0.19-0.4793.30%
42DD010DomDetailer Majestic Referring Subnets64,41615,275-0.19-0.2829.73%
43ENT001Entities in HTML Tag3,882290-0.19-0.3997.41%
44CP140Clean Text Kilobytes3911-0.19-0.3990.36%
45CP156Leading Keywords in H1, H2, and H3 Tags221-0.19-0.4489.89%
46CP492bUnabridged Word Count6,7851,703-0.19-0.4090.95%
47CP128Keywords in Alt Attributes637-0.19-0.4189.07%
48DD015DomDetailer Moz PA6942-0.18-0.4527.73%
49CP134aSearch Terms in Body Tag15011-0.18-0.4390.72%
50DD006DomDetailer Majestic IPs216,63957,035-0.18-0.2730.43%
51CP492Word Count5,1071,315-0.18-0.4090.48%
52LSI001LSI Words in Title Tag145-0.18-0.4390.95%
53DD008DomDetailer Majestic Referring Domains1,773,913368,866-0.18-0.2830.67%
54CP019Ahrefs Has DoFollow Backlinks11-0.18-0.4919.86%
55CP146Keywords in the First 100 Words2037-0.18-0.4377.20%
56CP381Keywords in Meta Descriptions42-0.18-0.4584.49%
57CP471Keywords in Span Tags4269-0.18-0.4091.89%
58CP108Search Result Summary Length334161-0.18-0.4287.31%
59DD013DomDetailer Moz DA8443-0.18-0.4127.38%
60GD003Google Density Variations7,75250-0.18-0.4264.86%
61DD005DomDetailer Majestic CF6136-0.17-0.4229.38%
62CP470aSearch Terms in the HTML Tag1818-0.17-0.4187.07%
63CP113Search Result URL Matches51-0.17-0.4378.97%
64ENT008Entities in Meta Description Tag82-0.17-0.4565.33%
65CPXR24Number of P Tags19735-0.17-0.4283.31%
66CP137Keywords in the Canonical URL41-0.17-0.4483.31%
67CP468Number of Sentences24250-0.17-0.3884.49%
68CP425Number of HTTPS Links581146-0.17-0.4088.13%
69CP124aKeywords in Absolute URLs5,62747-0.17-0.3988.37%
70CP045Ahrefs Has Text Backlinks11-0.17-0.4819.98%
71DD012DomDetailer Majestic TF6228-0.17-0.3928.67%
72CP017Ahrefs Has Backlinks11-0.17-0.4819.51%
73LSI006LSI Words in H2 Tags7812-0.17-0.4291.07%
74CP038Ahrefs Has NoFollow Backlinks11-0.17-0.4720.09%
75DD016DomDetailer Moz Rank85-0.17-0.4127.38%
76CP435Number of Links590154-0.17-0.4086.60%
77CP431Number of Internal Links583138-0.17-0.3986.96%
78DD002DomDetailer Facebook Shares9,819,568-529,549-0.17-0.2829.85%
79CP152Keywords in H1 Tags131-0.17-0.4180.14%
80CP410Number of DoFollow Links566147-0.17-0.3986.60%
81CPXR018Keywords in Nav Tags6,35223-0.17-0.4089.42%
82CP005Ahrefs Domain Rating7840-0.17-0.4117.16%
83CP476TF/IDF11-0.16-0.4681.67%
84CP032Ahrefs Has Image Backlinks10-0.16-0.4317.04%
85CPXR003Number of Heading Tags5020-0.16-0.4184.61%
86CP048Ahrefs Image Backlinks10,403231-0.16-0.3118.68%
87ENT002Entities in H1 Tags62-0.16-0.4163.22%
88ENT005Entities in H4 Tags122-0.16-0.4363.92%
89CP383Keywords in Meta OpenGraph Description41-0.16-0.4080.73%
90CP159aSearch Terms in H1-H6 Tags101-0.16-0.4188.95%
91CP169Keywords in H3 Tags822-0.16-0.3989.66%
92CP426Number of Images9928-0.16-0.3686.72%
93DD014DomDetailer Moz Links93,672,77217,365,945-0.16-0.2630.08%
94CP109Search Result Summary Text Matches63-0.16-0.4475.91%
95CP484Leading Keywords in Title Tag10-0.16-0.4578.14%
96CP072Search Result Document Matches61-0.16-0.4166.51%
97CP385Keywords in Meta OpenGraph Content31-0.16-0.4277.79%
98CP070Ahrefs Word Count4,4241,386-0.16-0.3714.45%
99CPX003Keywords in Main Tags12,54955-0.16-0.4486.60%
100CP427Number of Images with Alt Text7518-0.16-0.3887.31%
101DD007DomDetailer Majestic Links78,144,5326,584,678-0.16-0.1730.20%
102CP151Leading Keywords in H1 Tags10-0.16-0.4280.73%
103QS004Number of Questions In Headings51-0.15-0.3636.19%
104ENT013Has Entities in H2 Tags11-0.15-0.4664.04%
105CP391Number of Absolute URLs388132-0.15-0.3783.43%
106CP050Ahrefs Internal Links37795-0.15-0.3520.92%
107LSI003LSI Words in Meta Description Tag347-0.15-0.3890.13%
108GD004Google Density Exact Matches422-0.15-0.4061.69%
109CPXR005Number of H2 Tags176-0.15-0.3783.55%
110QS003Number of Questions274-0.15-0.3780.14%
111CP472Keywords making whole Span Tags71-0.15-0.3986.84%
112CP358Inline Javascript Kilobytes12231-0.15-0.3581.20%
113CP374Keywords in the last 100 words2024-0.15-0.3878.38%
114CP164Leading Keywords in H2 Tags71-0.15-0.3985.55%
115CP125Keywords making whole A Tags41-0.15-0.3884.72%
116CPX013Keywords in Footer Tags3,8099-0.15-0.3683.67%
117ENT010Title Tag Has Entities11-0.15-0.4157.70%
118CP477Keywords in Title Attributes2638-0.15-0.3787.78%
119LSI007LSI Words in H3 Tags7212-0.15-0.3591.07%
120LSI005LSI Words in H1 Tags174-0.15-0.3587.43%
121CP483aSearch Terms in the Title Tag10-0.15-0.4177.67%
122CPJLDxSANumber Of JSON-LD Types628-0.14-0.3673.09%
123CP158Keywords making whole H1-H6 Tags40-0.14-0.4179.67%
124CP376Keywords making whole LI Tags41-0.14-0.3885.19%
125DD011DomDetailer Majestic Referring .gov Links20,924,4443,770,327-0.14-0.2828.32%
126CPXR006Number of H3 Tags297-0.14-0.3485.31%
127CP177Keywords in H4-H6 Tags431-0.14-0.3781.55%
128CP126aSearch Terms in A Tags392-0.14-0.3687.54%
129CP007Ahrefs External Links10617-0.14-0.3319.51%
130CP413Number of External Links5716-0.14-0.3279.55%
131CP467Keywords in Section Tags89015-0.14-0.3983.31%
132ENT014Has Entities in H3 Tags10-0.14-0.4262.75%
133CP130Keywords in Article Tags14817-0.14-0.4074.74%
134CP473Keywords in Strong Tags972-0.14-0.3779.44%
135CP173Keywords in H4 Tags351-0.14-0.3781.43%
136CP154Keywords making whole H1, H2, and H3 Tags10-0.14-0.3979.55%
137CP056Ahrefs Pages61-0.14-0.3019.74%
138QS012Headings Has Question10-0.14-0.4274.38%
139CP353Head Size Kilobytes11938-0.14-0.3378.03%
140ENT012Has Entities in H1 Tags11-0.13-0.3957.81%
141CP213Has FavIcon11-0.13-0.4068.27%
142CP380Meta Description Length393127-0.13-0.3372.27%
143CP114Search Result Uses HTTPS11-0.13-0.3968.74%
144CP469aSearch Terms in Sentences181-0.13-0.3387.66%
145CP052Ahrefs Linked Root Domains166-0.13-0.3420.68%
146CP357Inline CSS Kilobytes7425-0.13-0.3579.32%
147QS006Number of Questions In H2 Tags20-0.13-0.3576.15%
148CP409Number of DoFollow External Links4914-0.13-0.2877.09%
149CP481bWord Count in Meta Description Tag7020-0.13-0.3372.97%
150ENT011Meta Description Tag Has Entities11-0.13-0.3957.81%
151CP150aSearch Terms in H1 Tags10-0.13-0.3578.03%
152CP168Leading Keywords in H3 Tags131-0.13-0.3582.96%
153CP104zSearch Result Has Publish Date11-0.13-0.403.88%
154CP057Ahrefs Page Size81,04928,673-0.13-0.3013.75%
155CP099Search Result Number of Dirs in Path32-0.13-0.3462.04%
156CP139Keywords in Class Attributes6,49111-0.13-0.3483.43%
157CP049Ahrefs Images7020-0.13-0.3214.10%
158CP440Number of NoFollow Links346-0.13-0.3181.67%
159ENT015Has Entities in H4 Tags10-0.13-0.3955.35%
160DD001DomDetailer Facebook Comments30130-0.13-0.3323.85%
161CP355Keywords in ID Attributes4891-0.13-0.3583.55%
162CP377Load Time Milliseconds28,8912,420-0.13-0.2670.27%
163CPJLD011Has JSON-LD Answer10-0.12-0.3957.11%
164CPJLD217Has JSON-LD Question10-0.12-0.3956.87%
165QS007Number of Questions In H3 Tags31-0.12-0.3474.85%
166CP444Number of Social Accounts41-0.12-0.3273.80%
167CP077Search Result Domain Matches50-0.12-0.3648.77%
168CPXR007Number of H4 Tags224-0.12-0.3178.50%
169CP451Number of US Phone Numbers1427-0.12-0.3276.85%
170CP034Ahrefs Has Internal Links11-0.12-0.3817.74%
171CP309Has OpenGraph Image11-0.12-0.3861.81%
172CP313Has Privacy Policy11-0.12-0.3774.74%
173CP460Percentage of DoFollow Internal Links9480-0.12-0.3271.09%
174LSI008LSI Words in H4 Tags445-0.12-0.3285.19%
175CP356Keywords in I Tags802-0.12-0.3478.85%
176CP176Leading Keywords in H4-H6 Tags70-0.12-0.3575.56%
177CP022Ahrefs Has External Links11-0.12-0.3717.16%
178CP432Number of JavaScript Includes3014-0.12-0.3068.27%
179CP445Number of Social Pages133-0.12-0.2774.62%
180CP424Number of HREF Lang Tags121-0.12-0.3474.97%
181CP150a2Search Terms in H2 Tags70-0.12-0.3386.37%
182CPJLDxCBNumber Of Claimed Brands71-0.12-0.3463.92%
183CP415Number of FaceBook Pages82-0.12-0.2871.92%
184CP006Ahrefs Edu Backlinks47,565312-0.12-0.2914.10%
185CP439Number of NoFollow Externa Links233-0.12-0.3280.85%
186CP207Has Contact Page11-0.12-0.3761.57%
187CP454Number of YouTube Accounts10-0.12-0.3369.45%
188CP036Ahrefs Has Linked Root Domains11-0.12-0.3718.33%
189CP479iiTitle Has Sentiment Words10-0.12-0.3572.86%
190CP060Ahrefs Redirects46310-0.12-0.2917.63%
191CPXR011Keywords in Button Tags3901-0.12-0.3580.14%
192CP204Has Canonical URL11-0.12-0.3673.21%
193CP149Keywords making whole H1 Tags10-0.12-0.3577.20%
194CP430Number of Instagram Pages141-0.12-0.2776.97%
195CP479Title Has Sales Words10-0.12-0.3473.33%
196CP428Number of Images without Alt Text389-0.12-0.2877.09%
197CP225Has Meta Description11-0.12-0.3667.33%
198CP418Number of Forms152-0.12-0.3072.03%
199CPJLD007Has JSON-LD AggregateRating10-0.12-0.3859.58%
200CP172Leading Keywords in H4 Tags50-0.12-0.3574.27%


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