Top SEO Factors




Top SEO Factors - 2021-11-21      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 - 2021-11-21 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1ENT000aNumber of Entities Used7326-0.30-0.6376.55%
2CPZZZNumber of Factors Used205135-0.26-0.5390.11%
3CP470Keywords in the HTML Tag38,261222-0.24-0.5295.95%
4CP061Ahrefs Referring Class C Addresses1,26062-0.24-0.4117.23%
5CP062Ahrefs Referring Domains2,77599-0.24-0.3917.33%
6CP054Ahrefs NoFollow Backlinks128,2582,127-0.24-0.3716.95%
7CP063Ahrefs Referring IP Addresses2,25292-0.24-0.4017.23%
8CP067Ahrefs Text Backlinks1,191,1209,807-0.23-0.3217.14%
9CP064Ahrefs Referring Pages1,191,1239,809-0.23-0.3217.14%
10CP002Ahrefs Backlinks1,191,1249,809-0.23-0.3217.14%
11CP059Ahrefs Rank3916-0.23-0.4914.78%
12CP134Keywords in Body Tag29,333187-0.23-0.5295.39%
13CPX010Keywords in Div Tags22,921149-0.23-0.5095.20%
14CP475Term Frequency115-0.23-0.5094.82%
15LSI002LSI Words in Sentences2,731508-0.23-0.4896.61%
16CP129Keywords in A Tags5,15837-0.22-0.4796.14%
17CP161Keywords in H1-H6 Tags1508-0.22-0.4892.47%
18ENT009Entities in Title Tag62-0.22-0.5171.94%
19CP157Keywords in H1, H2, and H3 Tags1036-0.22-0.4892.00%
20CP465Keywords in P Tags2,18633-0.22-0.5093.50%
21ENT003Entities in H2 Tags295-0.21-0.5173.63%
22CP004Ahrefs Dofollow Backlinks1,187,8817,412-0.21-0.3216.76%
23CP153Keywords in H1 and H2 Tags424-0.21-0.4890.02%
24CP097Search Result Link Text Matches71-0.21-0.5179.94%
25CP071Search Result Display URL Matches71-0.21-0.5179.94%
26ENT018Entities in Sentences56287-0.21-0.4598.02%
27CP469Keywords in Sentences14221-0.21-0.4589.27%
28CP135Body Tag Size Kilobytes30786-0.20-0.4891.05%
29CP375Keywords in LI Tags97119-0.20-0.4795.01%
30CP127bKeywords in Unique A Tag HREFs1,70235-0.20-0.4580.89%
31CP127Keywords in A Tag HREFs2,43450-0.20-0.4493.13%
32CKWD001Clean Keyword Density in the HTML Tag2044-0.20-0.4677.59%
33CP465cKeywords in script Tags5,79849-0.20-0.4792.75%
34ENT001Entities in HTML Tag3,882312-0.20-0.4297.36%
35CP458Page Size Kilobytes411152-0.19-0.4886.35%
36CP481Keywords in Title Tag82-0.19-0.4780.41%
37CP165Keywords in H2 Tags503-0.19-0.4789.45%
38ENT004Entities in H3 Tags245-0.19-0.4874.39%
39CP488Keywords in pages top 10 most used phrases222-0.19-0.4883.71%
40CPXX888Number of HTML Tags2,937914-0.19-0.4786.82%
41DD010DomDetailer Majestic Referring Subnets64,41615,227-0.19-0.2427.87%
42GD001Google Variation Density3393-0.19-0.4573.73%
43CP492bUnabridged Word Count6,7851,682-0.19-0.4189.83%
44CP999Search Result Path Matches141-0.19-0.4672.13%
45CP160Leading Keywords in H1-H6 Tags312-0.19-0.4390.96%
46LSI001LSI Words in Title Tag145-0.19-0.4490.30%
47CP140Clean Text Kilobytes3911-0.19-0.4089.92%
48DD006DomDetailer Majestic IPs248,22457,333-0.19-0.2328.53%
49CPZZZ200Number of Top 200 Shared Factors Used128101-0.19-0.500.66%
50DD015DomDetailer Moz PA6942-0.18-0.4525.89%
51CP492Word Count5,1071,312-0.18-0.4188.32%
52DD008DomDetailer Majestic Referring Domains1,796,281370,720-0.18-0.2428.91%
53DD013DomDetailer Moz DA8442-0.18-0.4224.95%
54CP019Ahrefs Has DoFollow Backlinks11-0.18-0.4915.91%
55CP156Leading Keywords in H1, H2, and H3 Tags231-0.18-0.4390.40%
56CP134aSearch Terms in Body Tag21412-0.18-0.4290.30%
57CP487Keywords in pages top 5 most used phrases111-0.18-0.4782.96%
58DD005DomDetailer Majestic CF6136-0.18-0.4227.87%
59CP381Keywords in Meta Descriptions932-0.18-0.4583.71%
60CP128Keywords in Alt Attributes2157-0.18-0.4091.24%
61CP146Keywords in the First 100 Words2077-0.18-0.4478.06%
62ENT008Entities in Meta Description Tag1083-0.18-0.4567.98%
63CP471Keywords in Span Tags42610-0.18-0.4191.90%
64CPZZZ100Number of Top 100 Shared Factors Used7458-0.18-0.470.66%
65CP070Ahrefs Word Count3,5601,394-0.18-0.4012.34%
66DD012DomDetailer Majestic TF6228-0.17-0.3927.40%
67CP470aSearch Terms in the HTML Tag2149-0.17-0.4185.22%
68CP108Search Result Summary Length412161-0.17-0.4287.66%
69CP124aKeywords in Absolute URLs9,07261-0.17-0.3987.76%
70CP045Ahrefs Has Text Backlinks11-0.17-0.4716.10%
71CP425Number of HTTPS Links581151-0.17-0.4085.59%
72LSI006LSI Words in H2 Tags6413-0.17-0.4292.00%
73DD002DomDetailer Facebook Shares9,819,568464,529-0.17-0.2527.68%
74CP038Ahrefs Has NoFollow Backlinks11-0.17-0.4616.01%
75ENT002Entities in H1 Tags62-0.17-0.4365.44%
76CP017Ahrefs Has Backlinks11-0.17-0.4616.10%
77DD007DomDetailer Majestic Links99,759,6468,773,087-0.17-0.1928.15%
78CP137Keywords in the Canonical URL51-0.17-0.4381.92%
79DD016DomDetailer Moz Rank84-0.17-0.4124.48%
80CP468Number of Sentences24249-0.17-0.3882.86%
81CP431Number of Internal Links583139-0.17-0.3985.31%
82CP109Search Result Summary Text Matches213-0.17-0.4578.25%
83GD003Google Density Variations7,75265-0.17-0.4068.55%
84CP152Keywords in H1 Tags131-0.17-0.4177.87%
85CPXR018Keywords in Nav Tags6,45432-0.17-0.4190.30%
86CP486Keywords in pages top 3 most used phrases61-0.17-0.4581.92%
87CP435Number of Links590156-0.17-0.3984.84%
88CP032Ahrefs Has Image Backlinks10-0.17-0.4414.41%
89CP113Search Result URL Matches211-0.17-0.4178.63%
90CP476TF/IDF11-0.16-0.4681.73%
91CPXR24Number of P Tags19736-0.16-0.3982.67%
92CP048Ahrefs Image Backlinks119,7502,064-0.16-0.3215.54%
93ENT005Entities in H4 Tags132-0.16-0.4467.51%
94CP410Number of DoFollow Links566150-0.16-0.3884.93%
95CP005Ahrefs Domain Rating7839-0.16-0.4013.56%
96CP159aSearch Terms in H1-H6 Tags111-0.16-0.4187.76%
97ENT013Has Entities in H2 Tags11-0.16-0.4665.73%
98DD014DomDetailer Moz Links93,672,77217,683,588-0.16-0.2327.68%
99CP383Keywords in Meta OpenGraph Description922-0.16-0.4178.53%
100QS004Number of Questions In Headings61-0.16-0.4041.81%
101CPX003Keywords in Main Tags15,49081-0.16-0.4486.44%
102ENT010Title Tag Has Entities11-0.16-0.4359.51%
103CP169Keywords in H3 Tags822-0.16-0.3890.77%
104CPXR003Number of Heading Tags5321-0.16-0.3983.71%
105LSI003LSI Words in Meta Description Tag3499-0.16-0.3990.02%
106CP151Leading Keywords in H1 Tags10-0.16-0.4277.40%
107CP385Keywords in Meta OpenGraph Content111-0.15-0.4274.48%
108CP057Ahrefs Page Size81,04930,472-0.15-0.3411.49%
109CP484Leading Keywords in Title Tag10-0.15-0.4575.71%
110CP072Search Result Document Matches131-0.15-0.4166.48%
111CP426Number of Images9929-0.15-0.3584.09%
112CP358Inline Javascript Kilobytes15734-0.15-0.3481.45%
113CP050Ahrefs Internal Links38499-0.15-0.3317.14%
114LSI005LSI Words in H1 Tags174-0.15-0.3685.69%
115QS003Number of Questions274-0.15-0.3579.19%
116CP391Number of Absolute URLs434138-0.15-0.3680.98%
117CP427Number of Images with Alt Text7519-0.15-0.3585.78%
118CP125Keywords making whole A Tags41-0.15-0.3883.33%
119CP472Keywords making whole Span Tags71-0.15-0.3884.46%
120CP164Leading Keywords in H2 Tags81-0.15-0.3986.16%
121CP467Keywords in Section Tags89015-0.15-0.4283.62%
122CP374Keywords in the last 100 words2024-0.15-0.3778.53%
123ENT012Has Entities in H1 Tags11-0.15-0.4259.60%
124LSI007LSI Words in H3 Tags7013-0.15-0.3591.71%
125GD004Google Density Exact Matches412-0.15-0.3664.60%
126CP376Keywords making whole LI Tags41-0.14-0.3882.02%
127CP007Ahrefs External Links10619-0.14-0.3016.57%
128ENT014Has Entities in H3 Tags10-0.14-0.4362.99%
129CP483aSearch Terms in the Title Tag20-0.14-0.4079.00%
130CPX013Keywords in Footer Tags3,80913-0.14-0.3683.99%
131CPXR005Number of H2 Tags176-0.14-0.3685.03%
132CP477Keywords in Title Attributes2638-0.14-0.3687.85%
133DD011DomDetailer Majestic Referring .gov Links20,976,5833,822,020-0.14-0.2625.33%
134CPJLDxSANumber Of JSON-LD Types1219-0.14-0.3773.26%
135CP158Keywords making whole H1-H6 Tags20-0.14-0.4077.59%
136CP056Ahrefs Pages52-0.14-0.3016.10%
137CP177Keywords in H4-H6 Tags431-0.14-0.3681.36%
138CP049Ahrefs Images7021-0.14-0.3311.58%
139CP126aSearch Terms in A Tags642-0.14-0.3587.57%
140CP473Keywords in Strong Tags1133-0.14-0.3778.53%
141CP353Head Size Kilobytes10140-0.14-0.3474.11%
142CP052Ahrefs Linked Root Domains207-0.14-0.3417.70%
143CPZZZ50Number of Top 50 Shared Factors Used4232-0.14-0.340.66%
144CP154Keywords making whole H1, H2, and H3 Tags20-0.14-0.3976.65%
145CP173Keywords in H4 Tags351-0.14-0.3682.96%
146CPXR006Number of H3 Tags257-0.13-0.3383.80%
147ENT011Meta Description Tag Has Entities11-0.13-0.4058.10%
148CP357Inline CSS Kilobytes7427-0.13-0.3577.40%
149CP413Number of External Links7217-0.13-0.3175.24%
150CP377Load Time Milliseconds35,9552,393-0.13-0.2670.24%
151CP022Ahrefs Has External Links11-0.13-0.4014.69%
152CP130Keywords in Article Tags1,49021-0.13-0.3873.35%
153QS012Headings Has Question10-0.13-0.4073.45%
154ENT015Has Entities in H4 Tags10-0.13-0.4057.53%
155CP168Leading Keywords in H3 Tags131-0.13-0.3584.18%
156CP485Keywords in pages most used phrase20-0.13-0.3975.42%
157CP469aSearch Terms in Sentences252-0.13-0.3286.72%
158CP034Ahrefs Has Internal Links11-0.13-0.4015.07%
159CP451Number of US Phone Numbers1427-0.13-0.3276.55%
160CP213Has FavIcon11-0.13-0.3869.30%
161CP440Number of NoFollow Links326-0.13-0.3180.89%
162CP409Number of DoFollow External Links6915-0.13-0.2971.66%
163CPXR007Number of H4 Tags314-0.13-0.3376.46%
164QS006Number of Questions In H2 Tags30-0.13-0.3576.18%
165CP380Meta Description Length3,814131-0.13-0.3271.94%
166DD001DomDetailer Facebook Comments21619-0.13-0.3019.77%
167CP099Search Result Number of Dirs in Path42-0.13-0.3460.26%
168CP481bWord Count in Meta Description Tag60121-0.13-0.3371.47%
169QS007Number of Questions In H3 Tags30-0.12-0.3474.20%
170CP139Keywords in Class Attributes6,49119-0.12-0.3480.79%
171CP036Ahrefs Has Linked Root Domains11-0.12-0.3815.25%
172CP355Keywords in ID Attributes7162-0.12-0.3382.49%
173CPJLD011Has JSON-LD Answer10-0.12-0.3854.71%
174CPJLD217Has JSON-LD Question10-0.12-0.3854.52%
175CP424Number of HREF Lang Tags142-0.12-0.3473.45%
176CP319Has Schema Markup11-0.12-0.3970.15%
177CP428Number of Images without Alt Text3810-0.12-0.2975.14%
178CP150aSearch Terms in H1 Tags10-0.12-0.3477.68%
179CPJLD007Has JSON-LD AggregateRating10-0.12-0.3861.96%
180LSI008LSI Words in H4 Tags456-0.12-0.3284.56%
181CP444Number of Social Accounts61-0.12-0.3170.24%
182CP176Leading Keywords in H4-H6 Tags80-0.12-0.3575.14%
183CP439Number of NoFollow Externa Links263-0.12-0.3279.19%
184CP149Keywords making whole H1 Tags10-0.12-0.3674.76%
185CP460Percentage of DoFollow Internal Links9780-0.12-0.3173.35%
186CP445Number of Social Pages153-0.12-0.2671.66%
187CP432Number of JavaScript Includes2914-0.12-0.3068.08%
188CP356Keywords in I Tags802-0.12-0.3478.91%
189CP479iiTitle Has Sentiment Words10-0.12-0.3569.68%
190CP104zSearch Result Has Publish Date11-0.12-0.372.45%
191CP150a2Search Terms in H2 Tags70-0.12-0.3384.18%
192CPJLD179Has JSON-LD NutritionInformation10-0.12-0.314.80%
193CPXR011Keywords in Button Tags4101-0.12-0.3580.60%
194BYTES01Bytes To First P Tag76,30351,904-0.12-0.3453.58%
195CP114Search Result Uses HTTPS11-0.12-0.3763.47%
196CP479Title Has Sales Words10-0.12-0.3570.24%
197CP077Search Result Domain Matches60-0.12-0.3550.94%
198CP313Has Privacy Policy11-0.12-0.3771.37%
199CP060Ahrefs Redirects46313-0.12-0.3114.69%
200CPJLDxCBNumber Of Claimed Brands71-0.12-0.3362.62%


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