Top SEO Factors




Top SEO Factors - 2021-11-14      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 - 2021-11-14 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1ENT000aNumber of Entities Used7325-0.30-0.6474.09%
2CPZZZNumber of Factors Used209137-0.25-0.5389.25%
3CP470Keywords in the HTML Tag38,261209-0.25-0.5295.70%
4CP059Ahrefs Rank3915-0.24-0.4916.24%
5CPX010Keywords in Div Tags22,921143-0.24-0.5195.27%
6CP061Ahrefs Referring Class C Addresses1,26050-0.24-0.4119.46%
7CP063Ahrefs Referring IP Addresses2,25273-0.24-0.4019.46%
8CP062Ahrefs Referring Domains2,77578-0.23-0.4019.57%
9CP134Keywords in Body Tag29,333175-0.23-0.5394.95%
10CP067Ahrefs Text Backlinks1,191,1208,777-0.23-0.3419.03%
11CP002Ahrefs Backlinks1,191,1248,760-0.23-0.3319.14%
12CP064Ahrefs Referring Pages1,191,1238,760-0.23-0.3319.14%
13CP054Ahrefs NoFollow Backlinks127,5331,366-0.23-0.3818.71%
14CP475Term Frequency115-0.23-0.5094.30%
15LSI002LSI Words in Sentences2,731515-0.23-0.4995.91%
16CP129Keywords in A Tags5,15833-0.22-0.4795.70%
17CP161Keywords in H1-H6 Tags317-0.22-0.4991.51%
18CP465Keywords in P Tags2,18632-0.22-0.4992.58%
19CP157Keywords in H1, H2, and H3 Tags276-0.22-0.4891.51%
20ENT009Entities in Title Tag62-0.22-0.5170.22%
21ENT003Entities in H2 Tags295-0.21-0.5071.51%
22CP004Ahrefs Dofollow Backlinks1,187,8817,072-0.21-0.3318.71%
23CP153Keywords in H1 and H2 Tags154-0.21-0.4890.11%
24CP469Keywords in Sentences14221-0.21-0.4588.49%
25CP127bKeywords in Unique A Tag HREFs1,62333-0.21-0.4576.99%
26CP097Search Result Link Text Matches31-0.21-0.5179.68%
27CP071Search Result Display URL Matches31-0.21-0.5179.68%
28CP375Keywords in LI Tags97118-0.21-0.4794.73%
29CP127Keywords in A Tag HREFs2,23147-0.21-0.4492.69%
30ENT018Entities in Sentences42784-0.20-0.4397.42%
31CKWD001Clean Keyword Density in the HTML Tag2044-0.20-0.4675.48%
32CP135Body Tag Size Kilobytes29585-0.20-0.4890.97%
33ENT004Entities in H3 Tags245-0.20-0.4972.04%
34CPXX888Number of HTML Tags2,937915-0.20-0.4888.17%
35CP481Keywords in Title Tag42-0.19-0.4781.40%
36CP458Page Size Kilobytes411150-0.19-0.4886.99%
37CP165Keywords in H2 Tags503-0.19-0.4689.57%
38GD001Google Variation Density3393-0.19-0.4669.68%
39CP465cKeywords in script Tags5,79841-0.19-0.4792.69%
40ENT001Entities in HTML Tag3,882302-0.19-0.4097.53%
41CP999Search Result Path Matches51-0.19-0.4771.51%
42CP492bUnabridged Word Count6,7851,715-0.19-0.4190.22%
43LSI001LSI Words in Title Tag145-0.19-0.4490.43%
44CP140Clean Text Kilobytes3911-0.19-0.4190.22%
45CP160Leading Keywords in H1-H6 Tags282-0.19-0.4390.43%
46CP492Word Count5,1071,334-0.19-0.4188.60%
47DD010DomDetailer Majestic Referring Subnets64,41615,500-0.18-0.2527.10%
48DD015DomDetailer Moz PA6943-0.18-0.4525.59%
49CP134aSearch Terms in Body Tag15012-0.18-0.4391.18%
50CP019Ahrefs Has DoFollow Backlinks11-0.18-0.4817.96%
51DD006DomDetailer Majestic IPs218,07057,557-0.18-0.2527.74%
52CP156Leading Keywords in H1, H2, and H3 Tags221-0.18-0.4290.32%
53CP128Keywords in Alt Attributes2007-0.18-0.4190.11%
54DD008DomDetailer Majestic Referring Domains1,796,281367,137-0.18-0.2528.17%
55CP381Keywords in Meta Descriptions932-0.18-0.4583.55%
56DD013DomDetailer Moz DA8444-0.18-0.4125.27%
57CP471Keywords in Span Tags42610-0.18-0.4191.72%
58ENT008Entities in Meta Description Tag1083-0.18-0.4565.91%
59CP070Ahrefs Word Count4,4241,365-0.18-0.4013.44%
60CP425Number of HTTPS Links581152-0.17-0.4086.88%
61CP146Keywords in the First 100 Words2077-0.17-0.4477.85%
62GD003Google Density Variations7,75255-0.17-0.4164.09%
63CP470aSearch Terms in the HTML Tag1818-0.17-0.4187.31%
64CP124aKeywords in Absolute URLs5,66554-0.17-0.3987.10%
65DD005DomDetailer Majestic CF6137-0.17-0.4226.88%
66LSI006LSI Words in H2 Tags6313-0.17-0.4191.83%
67CP108Search Result Summary Length412162-0.17-0.4186.45%
68CP468Number of Sentences24250-0.17-0.3982.58%
69CP045Ahrefs Has Text Backlinks11-0.17-0.4718.28%
70DD016DomDetailer Moz Rank85-0.17-0.4125.05%
71DD012DomDetailer Majestic TF6228-0.17-0.3926.45%
72CPXR24Number of P Tags19736-0.17-0.4182.58%
73CP431Number of Internal Links583140-0.17-0.3986.45%
74DD002DomDetailer Facebook Shares9,819,568-79,457-0.17-0.2827.85%
75CP137Keywords in the Canonical URL51-0.17-0.4381.94%
76CP017Ahrefs Has Backlinks11-0.17-0.4618.06%
77CP435Number of Links590157-0.17-0.4085.91%
78CP113Search Result URL Matches51-0.17-0.4280.22%
79CP048Ahrefs Image Backlinks118,7481,310-0.17-0.3217.20%
80CP410Number of DoFollow Links566151-0.17-0.3986.02%
81CPXR018Keywords in Nav Tags6,45427-0.17-0.4089.68%
82CP152Keywords in H1 Tags131-0.17-0.4177.96%
83CP032Ahrefs Has Image Backlinks10-0.17-0.4316.02%
84CP038Ahrefs Has NoFollow Backlinks11-0.17-0.4518.17%
85ENT005Entities in H4 Tags132-0.17-0.4364.09%
86CP109Search Result Summary Text Matches63-0.16-0.4575.48%
87CP476TF/IDF11-0.16-0.4681.72%
88ENT002Entities in H1 Tags62-0.16-0.4163.66%
89CP159aSearch Terms in H1-H6 Tags101-0.16-0.4288.49%
90CP005Ahrefs Domain Rating7839-0.16-0.4115.27%
91CPXR003Number of Heading Tags5320-0.16-0.4084.09%
92DD007DomDetailer Majestic Links99,759,6468,040,924-0.16-0.1727.63%
93LSI003LSI Words in Meta Description Tag3499-0.16-0.3989.57%
94CP383Keywords in Meta OpenGraph Description922-0.16-0.4179.25%
95CP385Keywords in Meta OpenGraph Content31-0.16-0.4376.02%
96CP169Keywords in H3 Tags822-0.16-0.3990.11%
97CPX003Keywords in Main Tags12,54966-0.16-0.4485.38%
98CP484Leading Keywords in Title Tag10-0.16-0.4577.31%
99ENT013Has Entities in H2 Tags11-0.16-0.4664.19%
100CP426Number of Images9928-0.16-0.3684.73%
101CP072Search Result Document Matches61-0.16-0.4166.56%
102QS004Number of Questions In Headings51-0.16-0.4038.17%
103CP151Leading Keywords in H1 Tags10-0.15-0.4279.89%
104CP391Number of Absolute URLs400138-0.15-0.3782.15%
105ENT010Title Tag Has Entities11-0.15-0.4357.53%
106CP427Number of Images with Alt Text7518-0.15-0.3786.77%
107DD014DomDetailer Moz Links93,672,77216,951,155-0.15-0.2427.96%
108CP057Ahrefs Page Size81,04929,144-0.15-0.3412.69%
109QS003Number of Questions274-0.15-0.3678.49%
110CP472Keywords making whole Span Tags71-0.15-0.3986.56%
111LSI007LSI Words in H3 Tags6013-0.15-0.3691.18%
112CP050Ahrefs Internal Links37795-0.15-0.3319.14%
113CP358Inline Javascript Kilobytes15732-0.15-0.3481.08%
114CP376Keywords making whole LI Tags41-0.15-0.3983.87%
115LSI005LSI Words in H1 Tags174-0.15-0.3685.59%
116CP467Keywords in Section Tags89015-0.15-0.4183.23%
117GD004Google Density Exact Matches422-0.15-0.3862.26%
118CPXR005Number of H2 Tags176-0.15-0.3585.16%
119CP125Keywords making whole A Tags41-0.15-0.3784.62%
120CPX013Keywords in Footer Tags3,80912-0.15-0.3682.58%
121CP477Keywords in Title Attributes2638-0.14-0.3788.28%
122CP483aSearch Terms in the Title Tag20-0.14-0.4179.35%
123CP164Leading Keywords in H2 Tags81-0.14-0.3886.77%
124CP374Keywords in the last 100 words2024-0.14-0.3678.82%
125ENT014Has Entities in H3 Tags11-0.14-0.4361.51%
126CPJLDxSANumber Of JSON-LD Types628-0.14-0.3770.86%
127CP158Keywords making whole H1-H6 Tags40-0.14-0.4179.89%
128CP473Keywords in Strong Tags992-0.14-0.3877.96%
129CP007Ahrefs External Links10618-0.14-0.3018.39%
130CP126aSearch Terms in A Tags392-0.14-0.3688.49%
131CP049Ahrefs Images7021-0.14-0.3413.01%
132CP413Number of External Links7217-0.14-0.3277.53%
133CPXR006Number of H3 Tags257-0.14-0.3484.73%
134ENT012Has Entities in H1 Tags11-0.14-0.4157.20%
135DD011DomDetailer Majestic Referring .gov Links20,976,5833,708,358-0.14-0.2625.59%
136CP177Keywords in H4-H6 Tags431-0.14-0.3780.54%
137CP154Keywords making whole H1, H2, and H3 Tags20-0.14-0.3979.03%
138CP173Keywords in H4 Tags351-0.14-0.3780.97%
139CP130Keywords in Article Tags1,48919-0.14-0.3972.80%
140CP056Ahrefs Pages51-0.14-0.3018.06%
141QS012Headings Has Question10-0.13-0.4172.04%
142ENT011Meta Description Tag Has Entities11-0.13-0.4057.42%
143CP052Ahrefs Linked Root Domains206-0.13-0.3319.78%
144CP469aSearch Terms in Sentences191-0.13-0.3387.85%
145ENT015Has Entities in H4 Tags10-0.13-0.4154.95%
146CP409Number of DoFollow External Links6915-0.13-0.3074.19%
147CP353Head Size Kilobytes11939-0.13-0.3274.95%
148CP357Inline CSS Kilobytes7427-0.13-0.3576.45%
149QS006Number of Questions In H2 Tags30-0.13-0.3574.41%
150CP213Has FavIcon11-0.13-0.3968.28%
151CP380Meta Description Length3,814132-0.13-0.3371.83%
152CP481bWord Count in Meta Description Tag60121-0.13-0.3371.40%
153CP168Leading Keywords in H3 Tags131-0.13-0.3582.47%
154CP114Search Result Uses HTTPS11-0.13-0.3866.88%
155CPJLD011Has JSON-LD Answer10-0.13-0.4055.38%
156CPJLD217Has JSON-LD Question10-0.13-0.4055.16%
157CP150aSearch Terms in H1 Tags10-0.13-0.3578.71%
158CP377Load Time Milliseconds28,1482,487-0.13-0.2669.78%
159CP139Keywords in Class Attributes6,49117-0.13-0.3481.08%
160CP440Number of NoFollow Links327-0.13-0.3180.11%
161DD001DomDetailer Facebook Comments26624-0.13-0.3221.72%
162CP104zSearch Result Has Publish Date11-0.13-0.382.80%
163QS007Number of Questions In H3 Tags31-0.12-0.3474.19%
164CP034Ahrefs Has Internal Links11-0.12-0.3916.77%
165CP451Number of US Phone Numbers1427-0.12-0.3276.45%
166CP150a2Search Terms in H2 Tags70-0.12-0.3584.62%
167CP355Keywords in ID Attributes4892-0.12-0.3384.19%
168CPXR007Number of H4 Tags224-0.12-0.3176.13%
169CP022Ahrefs Has External Links11-0.12-0.3816.24%
170CP444Number of Social Accounts61-0.12-0.3171.29%
171CP099Search Result Number of Dirs in Path42-0.12-0.3360.11%
172LSI008LSI Words in H4 Tags446-0.12-0.3283.66%
173CP077Search Result Domain Matches50-0.12-0.3549.68%
174CPJLDxCBNumber Of Claimed Brands71-0.12-0.3560.65%
175CP149Keywords making whole H1 Tags10-0.12-0.3677.63%
176CP445Number of Social Pages133-0.12-0.2771.51%
177CP424Number of HREF Lang Tags122-0.12-0.3474.52%
178CP460Percentage of DoFollow Internal Links9480-0.12-0.3171.61%
179CP356Keywords in I Tags802-0.12-0.3477.53%
180CPXR011Keywords in Button Tags4101-0.12-0.3580.11%
181CP479iiTitle Has Sentiment Words10-0.12-0.3569.35%
182CP036Ahrefs Has Linked Root Domains11-0.12-0.3716.88%
183CP176Leading Keywords in H4-H6 Tags70-0.12-0.3575.05%
184CP432Number of JavaScript Includes3014-0.12-0.3067.42%
185CP313Has Privacy Policy11-0.12-0.3772.80%
186CP428Number of Images without Alt Text3810-0.12-0.2975.91%
187CP439Number of NoFollow Externa Links263-0.12-0.3280.54%
188CPJLD007Has JSON-LD AggregateRating10-0.12-0.3860.32%
189CP430Number of Instagram Pages141-0.12-0.2874.52%
190CP060Ahrefs Redirects46312-0.12-0.3116.45%
191CP319Has Schema Markup11-0.12-0.3870.22%
192CP454Number of YouTube Accounts20-0.12-0.3368.06%
193CP479Title Has Sales Words10-0.12-0.3470.43%
194CP172Leading Keywords in H4 Tags50-0.12-0.3573.66%
195CP415Number of FaceBook Pages82-0.12-0.2770.11%
196CP418Number of Forms152-0.12-0.3170.00%
197CP309Has OpenGraph Image11-0.12-0.3659.14%
198CP414Number of Facebook Accounts31-0.11-0.3172.69%
199CP006Ahrefs Edu Backlinks47,565393-0.11-0.2912.80%
200CP225Has Meta Description11-0.11-0.3666.13%


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