Top SEO Factors




Top SEO Factors - 2021-10-30      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 - 2021-10-30 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1ENT000aNumber of Entities Used5926-0.29-0.6264.55%
2CPZZZNumber of Factors Used209135-0.25-0.5190.92%
3CP470Keywords in the HTML Tag998157-0.24-0.5195.02%
4CPX010Keywords in Div Tags693114-0.23-0.5094.78%
5CP061Ahrefs Referring Class C Addresses43238-0.23-0.3526.87%
6CP062Ahrefs Referring Domains1,17351-0.23-0.3427.11%
7CP063Ahrefs Referring IP Addresses1,27551-0.23-0.3426.87%
8CP134Keywords in Body Tag873133-0.23-0.5294.65%
9CP067Ahrefs Text Backlinks1,191,1206,087-0.22-0.2926.74%
10CP064Ahrefs Referring Pages1,191,1236,098-0.22-0.2826.74%
11CP002Ahrefs Backlinks1,191,1246,098-0.22-0.2826.74%
12CP475Term Frequency75-0.22-0.4793.28%
13CP161Keywords in H1-H6 Tags317-0.22-0.4791.79%
14CP059Ahrefs Rank3915-0.22-0.4523.51%
15CP054Ahrefs NoFollow Backlinks12,557243-0.21-0.3226.74%
16CP157Keywords in H1, H2, and H3 Tags276-0.21-0.4691.79%
17CP129Keywords in A Tags14225-0.21-0.4694.15%
18CP465Keywords in P Tags19630-0.21-0.4992.04%
19ENT003Entities in H2 Tags305-0.21-0.5061.44%
20CP153Keywords in H1 and H2 Tags164-0.21-0.4790.30%
21CP097Search Result Link Text Matches31-0.20-0.5079.10%
22CP071Search Result Display URL Matches31-0.20-0.5079.10%
23CP127bKeywords in Unique A Tag HREFs25429-0.20-0.4476.12%
24ENT009Entities in Title Tag62-0.20-0.4960.20%
25LSI002LSI Words in Sentences3,220438-0.20-0.4494.78%
26CP127Keywords in A Tag HREFs32043-0.20-0.4490.67%
27CP375Keywords in LI Tags16917-0.20-0.4794.40%
28CP469Keywords in Sentences11221-0.20-0.4590.30%
29ENT004Entities in H3 Tags215-0.20-0.4861.94%
30CP004Ahrefs Dofollow Backlinks1,187,8815,960-0.20-0.2626.24%
31CP481Keywords in Title Tag42-0.19-0.4680.47%
32CP999Search Result Path Matches41-0.19-0.4970.15%
33DD010DomDetailer Majestic Referring Subnets64,41615,722-0.19-0.2827.36%
34GD001Google Variation Density103-0.19-0.4670.65%
35CKWD001Clean Keyword Density in the HTML Tag124-0.19-0.4376.62%
36CPXX888Number of HTML Tags3,347878-0.19-0.4786.44%
37CP135Body Tag Size Kilobytes20981-0.19-0.4690.17%
38CP458Page Size Kilobytes297145-0.19-0.4886.69%
39DD006DomDetailer Majestic IPs216,63957,437-0.19-0.2827.99%
40CP165Keywords in H2 Tags153-0.19-0.4687.94%
41DD015DomDetailer Moz PA6944-0.19-0.4525.75%
42CP160Leading Keywords in H1-H6 Tags92-0.19-0.4486.94%
43DD008DomDetailer Majestic Referring Domains1,419,744356,420-0.19-0.2828.36%
44CP465cKeywords in script Tags32631-0.19-0.4693.78%
45CP108Search Result Summary Length336162-0.18-0.4488.18%
46CP128Keywords in Alt Attributes637-0.18-0.4188.18%
47CP156Leading Keywords in H1, H2, and H3 Tags71-0.18-0.4387.56%
48CP140Clean Text Kilobytes3911-0.18-0.3989.55%
49CP492bUnabridged Word Count6,7851,684-0.18-0.3990.30%
50DD013DomDetailer Moz DA8445-0.18-0.4225.25%
51CP492Word Count5,1071,304-0.18-0.4089.55%
52DD005DomDetailer Majestic CF6137-0.18-0.4426.87%
53CP134aSearch Terms in Body Tag15011-0.18-0.4289.55%
54CP381Keywords in Meta Descriptions42-0.18-0.4584.58%
55CP471Keywords in Span Tags489-0.18-0.4091.42%
56CP113Search Result URL Matches41-0.18-0.4577.36%
57ENT018Entities in Sentences52478-0.17-0.3796.27%
58DD016DomDetailer Moz Rank85-0.17-0.4225.25%
59DD002DomDetailer Facebook Shares9,819,568-958,504-0.17-0.2926.87%
60CP045Ahrefs Has Text Backlinks11-0.17-0.4726.49%
61CP038Ahrefs Has NoFollow Backlinks11-0.17-0.4726.12%
62CP137Keywords in the Canonical URL41-0.17-0.4484.20%
63CPXR24Number of P Tags19735-0.17-0.4182.59%
64DD012DomDetailer Majestic TF6229-0.17-0.4026.12%
65CP019Ahrefs Has DoFollow Backlinks11-0.17-0.4625.50%
66CP017Ahrefs Has Backlinks11-0.17-0.4726.00%
67CP425Number of HTTPS Links581143-0.17-0.3987.06%
68CP146Keywords in the First 100 Words197-0.17-0.4276.87%
69GD003Google Density Variations19942-0.17-0.4165.30%
70CP468Number of Sentences24249-0.17-0.3883.96%
71CP124aKeywords in Absolute URLs33340-0.17-0.3887.69%
72CP435Number of Links590151-0.17-0.3985.57%
73ENT008Entities in Meta Description Tag73-0.17-0.4455.85%
74LSI001LSI Words in Title Tag144-0.17-0.4090.17%
75CP410Number of DoFollow Links566144-0.17-0.3985.07%
76CP431Number of Internal Links583135-0.17-0.3985.95%
77CP005Ahrefs Domain Rating7837-0.17-0.3822.89%
78CP470aSearch Terms in the HTML Tag1817-0.17-0.4085.57%
79CPXR018Keywords in Nav Tags18018-0.17-0.3987.56%
80CP152Keywords in H1 Tags31-0.17-0.4078.48%
81ENT005Entities in H4 Tags92-0.16-0.4356.97%
82CPXR003Number of Heading Tags5020-0.16-0.4083.96%
83CP476TF/IDF11-0.16-0.4680.60%
84CP169Keywords in H3 Tags122-0.16-0.3988.43%
85DD014DomDetailer Moz Links77,772,68316,486,735-0.16-0.2627.36%
86ENT002Entities in H1 Tags62-0.16-0.4053.73%
87CP072Search Result Document Matches41-0.16-0.4267.16%
88DD007DomDetailer Majestic Links78,144,5325,289,148-0.16-0.1827.36%
89ENT001Entities in HTML Tag3,882268-0.16-0.3496.39%
90CP426Number of Images8127-0.16-0.3685.20%
91CP484Leading Keywords in Title Tag10-0.16-0.4577.61%
92CP383Keywords in Meta OpenGraph Description51-0.16-0.4080.22%
93CP109Search Result Summary Text Matches63-0.16-0.4475.87%
94LSI006LSI Words in H2 Tags7811-0.16-0.3990.80%
95CP159aSearch Terms in H1-H6 Tags101-0.16-0.4086.82%
96CP427Number of Images with Alt Text6918-0.16-0.3684.83%
97QS003Number of Questions274-0.15-0.3779.60%
98CP151Leading Keywords in H1 Tags10-0.15-0.4277.24%
99CP391Number of Absolute URLs372129-0.15-0.3882.46%
100CP385Keywords in Meta OpenGraph Content31-0.15-0.4178.86%
101CPXR005Number of H2 Tags176-0.15-0.3782.96%
102CPX003Keywords in Main Tags28544-0.15-0.4386.94%
103GD004Google Density Exact Matches452-0.15-0.4061.32%
104CP358Inline Javascript Kilobytes11232-0.15-0.3580.35%
105ENT013Has Entities in H2 Tags11-0.15-0.4556.47%
106QS004Number of Questions In Headings51-0.15-0.3535.07%
107CP048Ahrefs Image Backlinks10,403277-0.15-0.3023.63%
108CP125Keywords making whole A Tags41-0.15-0.3782.21%
109CP070Ahrefs Word Count4,4241,410-0.15-0.3413.68%
110CP050Ahrefs Internal Links35290-0.15-0.3427.24%
111CP472Keywords making whole Span Tags71-0.15-0.3984.33%
112CP032Ahrefs Has Image Backlinks10-0.15-0.4022.14%
113CPJLDxSANumber Of JSON-LD Types248-0.15-0.3671.64%
114CP374Keywords in the last 100 words124-0.15-0.3876.74%
115DD011DomDetailer Majestic Referring .gov Links16,846,8993,570,817-0.15-0.2826.49%
116CPX013Keywords in Footer Tags1186-0.15-0.3682.34%
117CP477Keywords in Title Attributes567-0.14-0.3786.82%
118CP164Leading Keywords in H2 Tags61-0.14-0.3984.45%
119CPXR006Number of H3 Tags297-0.14-0.3483.71%
120CP483aSearch Terms in the Title Tag10-0.14-0.4077.49%
121ENT010Title Tag Has Entities11-0.14-0.4050.00%
122CP376Keywords making whole LI Tags31-0.14-0.3783.71%
123CP126aSearch Terms in A Tags332-0.14-0.3786.07%
124LSI003LSI Words in Meta Description Tag287-0.14-0.3589.30%
125ENT014Has Entities in H3 Tags11-0.14-0.4354.98%
126CP467Keywords in Section Tags9415-0.14-0.3983.71%
127CP158Keywords making whole H1-H6 Tags40-0.14-0.3975.87%
128CP177Keywords in H4-H6 Tags61-0.14-0.3780.85%
129CP130Keywords in Article Tags14816-0.14-0.4076.24%
130ENT012Has Entities in H1 Tags11-0.14-0.4049.50%
131CP413Number of External Links5716-0.14-0.3179.60%
132CP173Keywords in H4 Tags51-0.14-0.3780.60%
133CP007Ahrefs External Links10617-0.14-0.3225.87%
134CP473Keywords in Strong Tags192-0.14-0.3581.09%
135QS012Headings Has Question10-0.14-0.4273.13%
136LSI007LSI Words in H3 Tags7211-0.14-0.3290.92%
137CP104zSearch Result Has Publish Date11-0.13-0.414.10%
138CP357Inline CSS Kilobytes7426-0.13-0.3577.49%
139CP052Ahrefs Linked Root Domains166-0.13-0.3426.74%
140CP353Head Size Kilobytes13039-0.13-0.3278.48%
141CP380Meta Description Length393128-0.13-0.3372.39%
142LSI005LSI Words in H1 Tags173-0.13-0.3186.07%
143CP154Keywords making whole H1, H2, and H3 Tags10-0.13-0.3876.24%
144QS006Number of Questions In H2 Tags20-0.13-0.3475.50%
145CP168Leading Keywords in H3 Tags20-0.13-0.3580.10%
146CP469aSearch Terms in Sentences211-0.13-0.3387.06%
147CP409Number of DoFollow External Links4913-0.13-0.2776.62%
148DD001DomDetailer Facebook Comments31138-0.13-0.3421.77%
149CP481bWord Count in Meta Description Tag7020-0.13-0.3372.89%
150CP377Load Time Milliseconds28,8912,366-0.13-0.2772.51%
151CP056Ahrefs Pages61-0.13-0.2825.25%
152QS007Number of Questions In H3 Tags31-0.13-0.3575.50%
153ENT015Has Entities in H4 Tags10-0.13-0.3948.88%
154CP077Search Result Domain Matches10-0.13-0.3747.51%
155CP213Has FavIcon11-0.13-0.3869.28%
156CP114Search Result Uses HTTPS11-0.13-0.3766.67%
157CP139Keywords in Class Attributes1476-0.13-0.3384.20%
158CP355Keywords in ID Attributes161-0.13-0.3582.71%
159CP099Search Result Number of Dirs in Path32-0.13-0.3363.06%
160CP440Number of NoFollow Links466-0.13-0.3079.85%
161CP313Has Privacy Policy11-0.13-0.3875.87%
162CP150aSearch Terms in H1 Tags10-0.12-0.3476.62%
163CP451Number of US Phone Numbers1167-0.12-0.3376.87%
164CPJLD011Has JSON-LD Answer10-0.12-0.3857.84%
165CPJLD217Has JSON-LD Question10-0.12-0.3857.96%
166CP006Ahrefs Edu Backlinks47,565309-0.12-0.3116.54%
167ENT011Meta Description Tag Has Entities11-0.12-0.3849.38%
168CPXR011Keywords in Button Tags141-0.12-0.3578.61%
169CP460Percentage of DoFollow Internal Links9480-0.12-0.3170.65%
170CP444Number of Social Accounts41-0.12-0.3274.50%
171CPXR007Number of H4 Tags224-0.12-0.3179.23%
172CPJLDxCBNumber Of Claimed Brands61-0.12-0.3563.18%
173CP309Has OpenGraph Image11-0.12-0.3862.06%
174CP415Number of FaceBook Pages72-0.12-0.2872.39%
175CP022Ahrefs Has External Links11-0.12-0.3722.39%
176CP356Keywords in I Tags122-0.12-0.3377.99%
177CP418Number of Forms102-0.12-0.3173.01%
178CP049Ahrefs Images6920-0.12-0.2913.56%
179CP207Has Contact Page11-0.12-0.3760.82%
180CP060Ahrefs Redirects4639-0.12-0.2922.01%
181CP176Leading Keywords in H4-H6 Tags40-0.12-0.3575.00%
182CP034Ahrefs Has Internal Links11-0.12-0.3622.89%
183CP445Number of Social Pages133-0.12-0.2674.75%
184CP432Number of JavaScript Includes3015-0.12-0.3068.53%
185CP225Has Meta Description11-0.12-0.3767.04%
186CP204Has Canonical URL11-0.12-0.3672.14%
187CP172Leading Keywords in H4 Tags30-0.12-0.3573.26%
188CPJLD007Has JSON-LD AggregateRating10-0.12-0.3859.20%
189CP104bSearch Result Publish Date2,004,926,7791,951,580,621-0.12-0.3437.69%
190CP439Number of NoFollow Externa Links232-0.12-0.3181.34%
191CP021Ahrefs Has EDU Backlinks10-0.12-0.3415.80%
192CP479iiTitle Has Sentiment Words10-0.12-0.3570.90%
193CP036Ahrefs Has Linked Root Domains11-0.12-0.3623.38%
194CP454Number of YouTube Accounts10-0.12-0.3368.91%
195CP479Title Has Sales Words10-0.12-0.3571.39%
196CP424Number of HREF Lang Tags121-0.12-0.3375.75%
197CP096Search Result Link Text Length6850-0.12-0.3359.20%
198CP491Keywords in Value Attributes511-0.12-0.3369.15%
199CP133Keywords in B Tags611-0.12-0.3374.38%
200CP430Number of Instagram Pages141-0.11-0.2776.62%


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