Top SEO Factors




Top SEO Factors - 2021-11-22      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 - 2021-11-22 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1ENT000aNumber of Entities Used7326-0.30-0.6376.70%
2CPZZZNumber of Factors Used205135-0.26-0.5390.07%
3CP470Keywords in the HTML Tag38,261224-0.24-0.5295.89%
4CP061Ahrefs Referring Class C Addresses1,26064-0.24-0.4116.91%
5CP062Ahrefs Referring Domains2,775102-0.24-0.3917.00%
6CP054Ahrefs NoFollow Backlinks128,2582,162-0.24-0.3616.62%
7CP063Ahrefs Referring IP Addresses2,25295-0.23-0.4016.91%
8CP067Ahrefs Text Backlinks1,191,12010,136-0.23-0.3216.81%
9CP059Ahrefs Rank3916-0.23-0.4914.71%
10CP002Ahrefs Backlinks1,191,12410,137-0.23-0.3216.81%
11CP064Ahrefs Referring Pages1,191,12310,137-0.23-0.3216.81%
12CP134Keywords in Body Tag29,333189-0.23-0.5295.32%
13CP475Term Frequency115-0.23-0.5094.84%
14CPX010Keywords in Div Tags22,921150-0.23-0.5095.13%
15LSI002LSI Words in Sentences2,731512-0.23-0.4896.56%
16CP129Keywords in A Tags5,15837-0.22-0.4795.89%
17ENT009Entities in Title Tag62-0.22-0.5171.92%
18CP161Keywords in H1-H6 Tags1508-0.22-0.4892.45%
19CP465Keywords in P Tags2,18634-0.22-0.5093.51%
20CP157Keywords in H1, H2, and H3 Tags1036-0.22-0.4891.98%
21ENT003Entities in H2 Tags295-0.21-0.5173.73%
22CP004Ahrefs Dofollow Backlinks1,187,8817,700-0.21-0.3216.43%
23ENT018Entities in Sentences56287-0.21-0.4597.99%
24CP097Search Result Link Text Matches71-0.21-0.5179.94%
25CP071Search Result Display URL Matches71-0.21-0.5179.94%
26CP153Keywords in H1 and H2 Tags424-0.21-0.4889.97%
27CP469Keywords in Sentences14221-0.21-0.4589.30%
28CP135Body Tag Size Kilobytes30786-0.20-0.4891.21%
29CP375Keywords in LI Tags97119-0.20-0.4894.94%
30CP127bKeywords in Unique A Tag HREFs1,70235-0.20-0.4481.38%
31CP127Keywords in A Tag HREFs2,43450-0.20-0.4493.03%
32PAGE009Number of Prices6145-0.20-0.410.19%
33CKWD001Clean Keyword Density in the HTML Tag2044-0.20-0.4677.75%
34CPZZZ200Number of Top 200 Shared Factors Used128101-0.20-0.520.76%
35ENT001Entities in HTML Tag3,882313-0.20-0.4297.23%
36CP465cKeywords in script Tags5,79849-0.20-0.4792.74%
37CP458Page Size Kilobytes411152-0.19-0.4886.72%
38CP481Keywords in Title Tag82-0.19-0.4780.32%
39CP165Keywords in H2 Tags503-0.19-0.4789.30%
40ENT004Entities in H3 Tags245-0.19-0.4874.40%
41CP488Keywords in pages top 10 most used phrases222-0.19-0.4883.86%
42CPXX888Number of HTML Tags2,937914-0.19-0.4786.53%
43DD010DomDetailer Majestic Referring Subnets64,41615,305-0.19-0.2428.08%
44CPZZZ100Number of Top 100 Shared Factors Used7457-0.19-0.500.76%
45DD006DomDetailer Majestic IPs248,22457,722-0.19-0.2328.46%
46GD001Google Variation Density3393-0.19-0.4574.21%
47CP492bUnabridged Word Count6,7851,684-0.19-0.4189.78%
48CP140Clean Text Kilobytes3911-0.19-0.4189.68%
49DD015DomDetailer Moz PA6943-0.19-0.4526.07%
50LSI001LSI Words in Title Tag145-0.19-0.4490.16%
51DD008DomDetailer Majestic Referring Domains1,796,281372,303-0.19-0.2428.84%
52CP999Search Result Path Matches141-0.19-0.4672.49%
53CP492Word Count5,1071,314-0.19-0.4188.25%
54CP160Leading Keywords in H1-H6 Tags312-0.18-0.4390.83%
55DD013DomDetailer Moz DA8443-0.18-0.4225.12%
56CP019Ahrefs Has DoFollow Backlinks11-0.18-0.4915.38%
57CP156Leading Keywords in H1, H2, and H3 Tags231-0.18-0.4390.35%
58DD005DomDetailer Majestic CF6136-0.18-0.4327.98%
59CP487Keywords in pages top 5 most used phrases111-0.18-0.4783.09%
60CP134aSearch Terms in Body Tag21413-0.18-0.4290.07%
61CP381Keywords in Meta Descriptions932-0.18-0.4583.67%
62CP471Keywords in Span Tags42610-0.18-0.4191.88%
63CP128Keywords in Alt Attributes2158-0.18-0.4091.02%
64CP070Ahrefs Word Count3,5601,406-0.18-0.4112.03%
65CP146Keywords in the First 100 Words2077-0.18-0.4478.03%
66ENT008Entities in Meta Description Tag1083-0.18-0.4567.91%
67DD012DomDetailer Majestic TF6228-0.17-0.3927.60%
68CP108Search Result Summary Length412161-0.17-0.4287.58%
69CP425Number of HTTPS Links581151-0.17-0.4085.48%
70CP470aSearch Terms in the HTML Tag2149-0.17-0.4184.91%
71CP124aKeywords in Absolute URLs9,07262-0.17-0.3987.39%
72CP045Ahrefs Has Text Backlinks11-0.17-0.4615.66%
73LSI006LSI Words in H2 Tags6414-0.17-0.4291.88%
74DD002DomDetailer Facebook Shares9,819,568473,520-0.17-0.2527.79%
75CP038Ahrefs Has NoFollow Backlinks11-0.17-0.4615.57%
76DD007DomDetailer Majestic Links99,759,6468,649,847-0.17-0.1928.18%
77DD016DomDetailer Moz Rank85-0.17-0.4124.64%
78ENT002Entities in H1 Tags62-0.17-0.4265.71%
79CP017Ahrefs Has Backlinks11-0.17-0.4615.66%
80CP431Number of Internal Links583139-0.17-0.3985.29%
81CP468Number of Sentences24249-0.17-0.3883.00%
82CP137Keywords in the Canonical URL51-0.17-0.4382.23%
83GD003Google Density Variations7,75265-0.17-0.4068.96%
84CP109Search Result Summary Text Matches213-0.17-0.4578.22%
85CPXR018Keywords in Nav Tags6,45432-0.17-0.4190.16%
86CP152Keywords in H1 Tags131-0.17-0.4178.22%
87CP486Keywords in pages top 3 most used phrases61-0.17-0.4581.95%
88CP435Number of Links590156-0.17-0.3984.72%
89CP032Ahrefs Has Image Backlinks10-0.17-0.4414.14%
90CP048Ahrefs Image Backlinks119,7502,085-0.17-0.3315.19%
91CP476TF/IDF11-0.16-0.4681.66%
92ENT005Entities in H4 Tags132-0.16-0.4467.72%
93CPXR24Number of P Tags19736-0.16-0.3982.71%
94CP113Search Result URL Matches211-0.16-0.4178.99%
95CP410Number of DoFollow Links566150-0.16-0.3884.81%
96CP005Ahrefs Domain Rating7839-0.16-0.4013.37%
97DD014DomDetailer Moz Links93,672,77217,590,794-0.16-0.2327.70%
98CP159aSearch Terms in H1-H6 Tags111-0.16-0.4187.58%
99ENT013Has Entities in H2 Tags11-0.16-0.4665.71%
100CP057Ahrefs Page Size81,04930,872-0.16-0.3511.17%
101CP383Keywords in Meta OpenGraph Description922-0.16-0.4178.32%
102ENT010Title Tag Has Entities11-0.16-0.4359.60%
103CPX003Keywords in Main Tags15,49083-0.16-0.4485.77%
104CPXR003Number of Heading Tags5321-0.16-0.3983.76%
105QS004Number of Questions In Headings61-0.16-0.3941.93%
106CP169Keywords in H3 Tags822-0.16-0.3890.54%
107LSI003LSI Words in Meta Description Tag3499-0.16-0.3989.88%
108CP151Leading Keywords in H1 Tags10-0.16-0.4277.27%
109CP484Leading Keywords in Title Tag10-0.15-0.4575.55%
110CP385Keywords in Meta OpenGraph Content111-0.15-0.4274.69%
111PAGE004Is Purchase Page11-0.15-0.420.19%
112CP426Number of Images9929-0.15-0.3583.86%
113CP072Search Result Document Matches131-0.15-0.4166.09%
114CP358Inline Javascript Kilobytes15734-0.15-0.3481.47%
115CP050Ahrefs Internal Links38499-0.15-0.3316.71%
116CPZZZ50Number of Top 50 Shared Factors Used4232-0.15-0.370.76%
117LSI005LSI Words in H1 Tags174-0.15-0.3685.86%
118CP391Number of Absolute URLs434139-0.15-0.3680.71%
119QS003Number of Questions274-0.15-0.3579.27%
120CP125Keywords making whole A Tags41-0.15-0.3883.09%
121CP427Number of Images with Alt Text7519-0.15-0.3585.48%
122CP472Keywords making whole Span Tags71-0.15-0.3884.72%
123CP467Keywords in Section Tags89015-0.15-0.4183.57%
124CP374Keywords in the last 100 words2024-0.15-0.3778.61%
125LSI007LSI Words in H3 Tags7013-0.15-0.3591.40%
126CP164Leading Keywords in H2 Tags81-0.15-0.3886.15%
127GD004Google Density Exact Matches352-0.14-0.3664.85%
128CP376Keywords making whole LI Tags41-0.14-0.3881.38%
129ENT012Has Entities in H1 Tags11-0.14-0.4259.98%
130CP007Ahrefs External Links10619-0.14-0.3016.05%
131CP483aSearch Terms in the Title Tag20-0.14-0.4079.37%
132DD011DomDetailer Majestic Referring .gov Links20,976,5833,841,331-0.14-0.2625.41%
133ENT014Has Entities in H3 Tags10-0.14-0.4363.04%
134CPXR005Number of H2 Tags176-0.14-0.3685.00%
135CP477Keywords in Title Attributes2638-0.14-0.3687.68%
136CPX013Keywords in Footer Tags3,80913-0.14-0.3683.95%
137CPJLDxSANumber Of JSON-LD Types1219-0.14-0.3773.26%
138CP158Keywords making whole H1-H6 Tags20-0.14-0.4077.36%
139CP049Ahrefs Images7021-0.14-0.3411.27%
140CP177Keywords in H4-H6 Tags431-0.14-0.3680.99%
141CP056Ahrefs Pages52-0.14-0.3015.76%
142CP052Ahrefs Linked Root Domains207-0.14-0.3417.29%
143CP473Keywords in Strong Tags1133-0.14-0.3778.22%
144CP126aSearch Terms in A Tags642-0.14-0.3587.49%
145CP353Head Size Kilobytes10140-0.14-0.3473.93%
146CP154Keywords making whole H1, H2, and H3 Tags20-0.14-0.3976.41%
147CP173Keywords in H4 Tags351-0.14-0.3682.90%
148CPXR006Number of H3 Tags257-0.13-0.3383.76%
149CP413Number of External Links7217-0.13-0.3175.17%
150ENT011Meta Description Tag Has Entities11-0.13-0.4058.17%
151CP357Inline CSS Kilobytes7428-0.13-0.3577.55%
152CP022Ahrefs Has External Links11-0.13-0.4014.14%
153CP377Load Time Milliseconds35,9552,373-0.13-0.2669.91%
154ENT015Has Entities in H4 Tags10-0.13-0.4057.78%
155CP130Keywords in Article Tags1,49021-0.13-0.3873.45%
156QS012Headings Has Question10-0.13-0.4073.64%
157CP485Keywords in pages most used phrase20-0.13-0.3975.55%
158CP168Leading Keywords in H3 Tags131-0.13-0.3583.95%
159CP469aSearch Terms in Sentences252-0.13-0.3286.82%
160CP213Has FavIcon11-0.13-0.3869.15%
161CP409Number of DoFollow External Links6915-0.13-0.2971.54%
162CP451Number of US Phone Numbers1427-0.13-0.3176.89%
163CP440Number of NoFollow Links316-0.13-0.3180.80%
164CP034Ahrefs Has Internal Links11-0.13-0.3914.61%
165CPXR007Number of H4 Tags314-0.13-0.3376.70%
166DD001DomDetailer Facebook Comments21619-0.13-0.3019.58%
167CP380Meta Description Length3,814131-0.13-0.3271.54%
168QS006Number of Questions In H2 Tags30-0.13-0.3476.31%
169CP099Search Result Number of Dirs in Path42-0.13-0.3460.55%
170CP481bWord Count in Meta Description Tag60121-0.13-0.3371.35%
171CP139Keywords in Class Attributes6,49120-0.12-0.3480.90%
172CPJLD011Has JSON-LD Answer10-0.12-0.3854.44%
173CPJLD217Has JSON-LD Question10-0.12-0.3854.25%
174QS007Number of Questions In H3 Tags30-0.12-0.3373.73%
175CP036Ahrefs Has Linked Root Domains11-0.12-0.3814.71%
176CP319Has Schema Markup11-0.12-0.3970.20%
177CP355Keywords in ID Attributes7162-0.12-0.3382.33%
178CP424Number of HREF Lang Tags141-0.12-0.3473.35%
179CP428Number of Images without Alt Text3810-0.12-0.2974.79%
180CPJLD179Has JSON-LD NutritionInformation10-0.12-0.324.78%
181CPJLD007Has JSON-LD AggregateRating10-0.12-0.3961.60%
182LSI008LSI Words in H4 Tags456-0.12-0.3284.34%
183CP150aSearch Terms in H1 Tags10-0.12-0.3477.75%
184CP444Number of Social Accounts61-0.12-0.3170.30%
185CP439Number of NoFollow Externa Links263-0.12-0.3279.08%
186CP176Leading Keywords in H4-H6 Tags80-0.12-0.3574.98%
187CP479iiTitle Has Sentiment Words10-0.12-0.3569.53%
188CP149Keywords making whole H1 Tags10-0.12-0.3674.69%
189CP445Number of Social Pages153-0.12-0.2771.82%
190CP104zSearch Result Has Publish Date11-0.12-0.372.39%
191CP460Percentage of DoFollow Internal Links9780-0.12-0.3173.54%
192CP356Keywords in I Tags802-0.12-0.3478.89%
193CP432Number of JavaScript Includes2914-0.12-0.3068.10%
194CP479Title Has Sales Words10-0.12-0.3570.01%
195CP150a2Search Terms in H2 Tags70-0.12-0.3383.95%
196CPXR011Keywords in Button Tags4101-0.12-0.3580.61%
197BYTES01Bytes To First P Tag76,30351,973-0.12-0.3453.87%
198CP114Search Result Uses HTTPS11-0.12-0.3663.23%
199CP033Ahrefs Has Images11-0.12-0.369.46%
200CP077Search Result Domain Matches60-0.12-0.3450.53%


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