Top SEO Factors




Top SEO Factors - 2021-10-25      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 - 2021-10-25 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1ENT000aNumber of Entities Used5928-0.30-0.6458.59%
2CP470Keywords in the HTML Tag16,251189-0.24-0.5294.04%
3CPZZZNumber of Factors Used211136-0.24-0.4989.89%
4CPX010Keywords in Div Tags10,802138-0.23-0.5193.63%
5CP134Keywords in Body Tag12,179159-0.23-0.5194.04%
6CP475Term Frequency95-0.22-0.4891.97%
7CP465Keywords in P Tags96833-0.22-0.5091.14%
8CP161Keywords in H1-H6 Tags1238-0.22-0.4891.97%
9ENT003Entities in H2 Tags305-0.21-0.5056.65%
10CP061Ahrefs Referring Class C Addresses20933-0.21-0.3328.25%
11CP063Ahrefs Referring IP Addresses26340-0.21-0.3228.25%
12CP062Ahrefs Referring Domains78343-0.21-0.3228.39%
13CP157Keywords in H1, H2, and H3 Tags996-0.21-0.4791.69%
14CP129Keywords in A Tags1,34028-0.21-0.4593.07%
15CP127bKeywords in Unique A Tag HREFs5,29539-0.21-0.4472.58%
16CP067Ahrefs Text Backlinks77,2831,991-0.21-0.2728.67%
17ENT009Entities in Title Tag62-0.21-0.5055.26%
18CP127Keywords in A Tag HREFs1,02547-0.21-0.4591.69%
19CP153Keywords in H1 and H2 Tags524-0.20-0.4791.00%
20CP064Ahrefs Referring Pages77,3172,003-0.20-0.2728.67%
21CP002Ahrefs Backlinks77,3172,003-0.20-0.2728.67%
22CP469Keywords in Sentences82124-0.20-0.4690.58%
23CP059Ahrefs Rank3214-0.20-0.4224.65%
24CP097Search Result Link Text Matches31-0.20-0.4978.81%
25CP071Search Result Display URL Matches31-0.20-0.4978.81%
26LSI002LSI Words in Sentences3,220469-0.20-0.4494.04%
27ENT004Entities in H3 Tags205-0.20-0.4856.79%
28CP054Ahrefs NoFollow Backlinks10,378179-0.20-0.3128.25%
29CP375Keywords in LI Tags36619-0.20-0.4693.77%
30GD001Google Variation Density3183-0.19-0.4767.04%
31CKWD001Clean Keyword Density in the HTML Tag1794-0.19-0.4474.65%
32CP135Body Tag Size Kilobytes28179-0.19-0.4688.64%
33CP165Keywords in H2 Tags413-0.19-0.4687.95%
34CP999Search Result Path Matches42-0.19-0.4773.41%
35CP458Page Size Kilobytes480144-0.19-0.4884.63%
36CP481Keywords in Title Tag152-0.19-0.4580.06%
37CP108Search Result Summary Length353163-0.19-0.4685.87%
38CP160Leading Keywords in H1-H6 Tags312-0.19-0.4486.15%
39CP140Clean Text Kilobytes3311-0.19-0.4187.95%
40CPXX888Number of HTML Tags3,347856-0.19-0.4685.04%
41DD010DomDetailer Majestic Referring Subnets64,41614,565-0.18-0.2630.06%
42CP492bUnabridged Word Count4,7901,717-0.18-0.4089.61%
43CP492Word Count3,8471,324-0.18-0.4188.78%
44CP465cKeywords in script Tags34,26881-0.18-0.4592.80%
45DD015DomDetailer Moz PA6942-0.18-0.4328.39%
46DD006DomDetailer Majestic IPs216,63952,570-0.18-0.2630.75%
47CP004Ahrefs Dofollow Backlinks75,9191,864-0.18-0.2627.56%
48DD008DomDetailer Majestic Referring Domains1,419,744320,707-0.18-0.2631.02%
49CP128Keywords in Alt Attributes1748-0.18-0.4086.57%
50CP113Search Result URL Matches102-0.18-0.4576.04%
51CP471Keywords in Span Tags36110-0.18-0.4190.03%
52CP156Leading Keywords in H1, H2, and H3 Tags241-0.18-0.4386.84%
53CP137Keywords in the Canonical URL92-0.18-0.4582.96%
54CP468Number of Sentences14650-0.17-0.3983.52%
55DD013DomDetailer Moz DA8443-0.17-0.4027.70%
56CP134aSearch Terms in Body Tag15011-0.17-0.4189.47%
57DD005DomDetailer Majestic CF6135-0.17-0.4129.50%
58CPXR24Number of P Tags12436-0.17-0.4182.96%
59CP381Keywords in Meta Descriptions362-0.17-0.4384.07%
60CP124aKeywords in Absolute URLs13,71162-0.17-0.4089.34%
61GD003Google Density Variations7,37855-0.17-0.4261.77%
62CPXR018Keywords in Nav Tags2,14424-0.17-0.4086.70%
63ENT008Entities in Meta Description Tag73-0.17-0.4350.00%
64ENT005Entities in H4 Tags92-0.17-0.4452.77%
65DD016DomDetailer Moz Rank84-0.17-0.4027.98%
66ENT018Entities in Sentences52481-0.16-0.3595.57%
67LSI001LSI Words in Title Tag144-0.16-0.3989.75%
68CP169Keywords in H3 Tags472-0.16-0.3987.12%
69CP425Number of HTTPS Links414139-0.16-0.3885.73%
70DD002DomDetailer Facebook Shares9,819,568-1,382,076-0.16-0.2829.78%
71CP435Number of Links417146-0.16-0.3984.07%
72CPXR003Number of Heading Tags4720-0.16-0.4084.63%
73CP146Keywords in the First 100 Words1827-0.16-0.4179.09%
74CP431Number of Internal Links400129-0.16-0.3884.21%
75CP470aSearch Terms in the HTML Tag1817-0.16-0.3984.63%
76CP410Number of DoFollow Links415140-0.16-0.3883.52%
77DD012DomDetailer Majestic TF6228-0.16-0.3828.67%
78CP476TF/IDF11-0.16-0.4680.61%
79CP152Keywords in H1 Tags131-0.16-0.3978.39%
80CP038Ahrefs Has NoFollow Backlinks11-0.16-0.4427.84%
81LSI006LSI Words in H2 Tags7812-0.16-0.3991.27%
82CP045Ahrefs Has Text Backlinks11-0.16-0.4427.98%
83CP426Number of Images8126-0.16-0.3683.80%
84ENT002Entities in H1 Tags62-0.16-0.3950.00%
85CP072Search Result Document Matches41-0.16-0.4170.08%
86DD014DomDetailer Moz Links77,772,68314,412,237-0.16-0.2429.92%
87CP019Ahrefs Has DoFollow Backlinks10-0.16-0.4227.01%
88CP383Keywords in Meta OpenGraph Description402-0.16-0.4079.78%
89QS003Number of Questions255-0.16-0.3781.16%
90DD007DomDetailer Majestic Links78,144,5324,892,542-0.16-0.1930.33%
91CP427Number of Images with Alt Text6918-0.16-0.3683.38%
92CP017Ahrefs Has Backlinks11-0.16-0.4327.56%
93CP109Search Result Summary Text Matches493-0.15-0.4375.07%
94CP385Keywords in Meta OpenGraph Content81-0.15-0.4377.15%
95CPXR005Number of H2 Tags176-0.15-0.3784.21%
96CPX003Keywords in Main Tags4,54852-0.15-0.4388.37%
97CP484Leading Keywords in Title Tag10-0.15-0.4375.76%
98CP391Number of Absolute URLs435130-0.15-0.3781.58%
99CP005Ahrefs Domain Rating7834-0.15-0.3523.82%
100CP374Keywords in the last 100 words1814-0.15-0.3877.98%
101ENT001Entities in HTML Tag1,893274-0.15-0.3295.15%
102CP159aSearch Terms in H1-H6 Tags101-0.15-0.3886.57%
103ENT013Has Entities in H2 Tags11-0.15-0.4551.39%
104CPJLDxSANumber Of JSON-LD Types248-0.15-0.3666.34%
105GD004Google Density Exact Matches453-0.15-0.3955.26%
106CP472Keywords making whole Span Tags71-0.15-0.3882.55%
107CPXR006Number of H3 Tags297-0.15-0.3483.52%
108CP358Inline Javascript Kilobytes13331-0.15-0.3579.78%
109QS004Number of Questions In Headings51-0.15-0.3338.37%
110CP151Leading Keywords in H1 Tags10-0.14-0.4075.76%
111CP164Leading Keywords in H2 Tags91-0.14-0.3983.93%
112CP477Keywords in Title Attributes667-0.14-0.3786.01%
113CPX013Keywords in Footer Tags1,3108-0.14-0.3483.10%
114CP125Keywords making whole A Tags41-0.14-0.3582.13%
115DD011DomDetailer Majestic Referring .gov Links16,846,8993,176,954-0.14-0.2529.09%
116CP104zSearch Result Has Publish Date11-0.14-0.427.34%
117CP473Keywords in Strong Tags463-0.14-0.3582.83%
118LSI003LSI Words in Meta Description Tag297-0.14-0.3487.81%
119CP130Keywords in Article Tags46916-0.14-0.4077.84%
120LSI007LSI Words in H3 Tags12012-0.14-0.3390.44%
121QS012Headings Has Question10-0.14-0.4272.99%
122ENT010Title Tag Has Entities11-0.14-0.3944.32%
123CP050Ahrefs Internal Links34884-0.14-0.3028.67%
124CP173Keywords in H4 Tags51-0.13-0.3781.44%
125CP413Number of External Links5716-0.13-0.3077.01%
126ENT014Has Entities in H3 Tags11-0.13-0.4151.25%
127CP177Keywords in H4-H6 Tags51-0.13-0.3681.99%
128CP467Keywords in Section Tags46817-0.13-0.3883.80%
129CP469aSearch Terms in Sentences212-0.13-0.3486.57%
130CP126aSearch Terms in A Tags332-0.13-0.3586.01%
131CP355Keywords in ID Attributes151-0.13-0.3781.16%
132CP158Keywords making whole H1-H6 Tags40-0.13-0.3774.38%
133QS006Number of Questions In H2 Tags21-0.13-0.3576.45%
134CP168Leading Keywords in H3 Tags130-0.13-0.3679.64%
135CP376Keywords making whole LI Tags31-0.13-0.3583.24%
136CP213Has FavIcon11-0.13-0.4068.42%
137CP357Inline CSS Kilobytes8126-0.13-0.3477.15%
138CP483aSearch Terms in the Title Tag10-0.13-0.3777.70%
139CP048Ahrefs Image Backlinks10,403275-0.13-0.2824.93%
140CP032Ahrefs Has Image Backlinks10-0.13-0.3622.85%
141ENT012Has Entities in H1 Tags11-0.13-0.3946.26%
142LSI005LSI Words in H1 Tags174-0.13-0.3084.63%
143QS007Number of Questions In H3 Tags31-0.13-0.3476.45%
144CP139Keywords in Class Attributes3,26010-0.13-0.3482.41%
145CP353Head Size Kilobytes13039-0.13-0.3179.50%
146CP377Load Time Milliseconds28,8912,235-0.13-0.2771.75%
147CP409Number of DoFollow External Links4914-0.13-0.2673.27%
148CP007Ahrefs External Links10616-0.13-0.2927.29%
149CP313Has Privacy Policy11-0.13-0.3974.38%
150CP380Meta Description Length393127-0.13-0.3172.58%
151CP052Ahrefs Linked Root Domains166-0.13-0.3128.12%
152CP070Ahrefs Word Count4,4241,307-0.13-0.2913.85%
153CP440Number of NoFollow Links466-0.13-0.3177.29%
154CP154Keywords making whole H1, H2, and H3 Tags20-0.12-0.3674.93%
155CP099Search Result Number of Dirs in Path32-0.12-0.3261.91%
156CP114Search Result Uses HTTPS11-0.12-0.3663.71%
157CPJLD011Has JSON-LD Answer10-0.12-0.3959.97%
158CP077Search Result Domain Matches10-0.12-0.3748.61%
159CPJLD217Has JSON-LD Question10-0.12-0.3960.25%
160CP479iiTitle Has Sentiment Words10-0.12-0.3869.39%
161CP481bWord Count in Meta Description Tag7020-0.12-0.3173.55%
162ENT015Has Entities in H4 Tags10-0.12-0.3744.60%
163CP460Percentage of DoFollow Internal Links9479-0.12-0.3172.16%
164CP479Title Has Sales Words10-0.12-0.3768.98%
165CPXR007Number of H4 Tags214-0.12-0.3279.78%
166CP451Number of US Phone Numbers1167-0.12-0.3275.62%
167CPJLDxCBNumber Of Claimed Brands61-0.12-0.3557.06%
168CP439Number of NoFollow Externa Links232-0.12-0.3379.78%
169CP356Keywords in I Tags952-0.12-0.3478.39%
170CP104bSearch Result Publish Date2,004,926,7791,924,216,864-0.12-0.3741.14%
171CP172Leading Keywords in H4 Tags30-0.12-0.3573.68%
172DD001DomDetailer Facebook Comments31141-0.12-0.3224.65%
173ENT011Meta Description Tag Has Entities11-0.12-0.3744.32%
174CPXR011Keywords in Button Tags3291-0.12-0.3579.36%
175CP444Number of Social Accounts41-0.12-0.3172.99%
176CP434Number of LinkedIn Pages20-0.12-0.3369.81%
177CP096Search Result Link Text Length7350-0.12-0.3460.94%
178CP150a2Search Terms in H2 Tags70-0.12-0.3384.49%
179CP207Has Contact Page11-0.12-0.3759.83%
180CP176Leading Keywords in H4-H6 Tags40-0.12-0.3475.35%
181CP309Has OpenGraph Image11-0.12-0.3761.63%
182CP418Number of Forms92-0.12-0.3072.02%
183CP424Number of HREF Lang Tags121-0.12-0.3375.07%
184CP056Ahrefs Pages61-0.12-0.2627.56%
185CP414Number of Facebook Accounts21-0.12-0.3270.08%
186CP133Keywords in B Tags612-0.12-0.3373.96%
187CP208Has Copyright11-0.12-0.3669.81%
188CP445Number of Social Pages133-0.11-0.2571.61%
189CP481aWord Count in Title Tag138-0.11-0.3063.02%
190CP345Has Terms of Service10-0.11-0.3568.98%
191CP225Has Meta Description11-0.11-0.3566.90%
192CP150aSearch Terms in H1 Tags10-0.11-0.3277.01%
193CP204Has Canonical URL11-0.11-0.3572.71%
194CP480Title Length8156-0.11-0.3060.39%
195CP491Keywords in Value Attributes511-0.11-0.3266.90%
196CPXR015Keywords in Figure Tags2216-0.11-0.3373.41%
197CP203Has Apple Touch Icon11-0.11-0.3668.42%
198CPJLD122Has JSON-LD ImageObject10-0.11-0.3759.97%
199CP432Number of JavaScript Includes3014-0.11-0.2869.25%
200CP449Number of Twitter Accounts21-0.11-0.3072.58%


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