Top SEO Factors




Top SEO Factors - 2021-12-15      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 - 2021-12-15 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1ENT000aNumber of Entities Used7028-0.30-0.6365.86%
2CPZZZ50Number of Top 50 Shared Factors Used4227-0.30-0.4921.12%
3CPZZZ100Number of Top 100 Shared Factors Used7653-0.28-0.5021.49%
4CPZZZNumber of Factors Used204127-0.27-0.5392.19%
5CPZZZ200Number of Top 200 Shared Factors Used13494-0.25-0.4920.65%
6CP470Keywords in the HTML Tag1,038176-0.24-0.5293.77%
7CP134Keywords in Body Tag980156-0.24-0.5294.60%
8CPX010Keywords in Div Tags713121-0.24-0.5093.30%
9CP475Term Frequency75-0.23-0.4893.49%
10LSI002LSI Words in Sentences3,406566-0.23-0.4997.77%
11CP129Keywords in A Tags2,02828-0.22-0.4694.05%
12CP161Keywords in H1-H6 Tags1508-0.22-0.4891.53%
13CP127bKeywords in Unique A Tag HREFs1,40136-0.22-0.4789.30%
14CP157Keywords in H1, H2, and H3 Tags306-0.22-0.4791.26%
15ENT003Entities in H2 Tags416-0.22-0.5164.56%
16CP127Keywords in A Tag HREFs1,85752-0.22-0.4692.74%
17CP465Keywords in P Tags1,57933-0.22-0.4991.44%
18ENT009Entities in Title Tag62-0.21-0.5062.23%
19CP153Keywords in H1 and H2 Tags184-0.21-0.4789.67%
20CKWD001Clean Keyword Density in the HTML Tag114-0.21-0.4782.98%
21CP054Ahrefs NoFollow Backlinks128,2581,580-0.21-0.2513.67%
22CP469Keywords in Sentences10923-0.21-0.4690.60%
23CP375Keywords in LI Tags63618-0.21-0.4893.67%
24CP097Search Result Link Text Matches31-0.21-0.4878.88%
25CP071Search Result Display URL Matches31-0.21-0.4878.88%
26CP061Ahrefs Referring Class C Addresses1,22450-0.20-0.2913.67%
27CP063Ahrefs Referring IP Addresses2,18972-0.20-0.2913.67%
28CP062Ahrefs Referring Domains2,67679-0.20-0.2813.58%
29CP135Body Tag Size Kilobytes30785-0.20-0.4688.28%
30CP160Leading Keywords in H1-H6 Tags292-0.20-0.4587.16%
31CP465cKeywords in script Tags5,41741-0.20-0.4691.63%
32CP488Keywords in pages top 10 most used phrases222-0.19-0.4985.58%
33ENT004Entities in H3 Tags365-0.19-0.4765.02%
34CP156Leading Keywords in H1, H2, and H3 Tags211-0.19-0.4587.07%
35CP999Search Result Path Matches121-0.19-0.4676.65%
36CP165Keywords in H2 Tags163-0.19-0.4591.16%
37CP002Ahrefs Backlinks260,3464,770-0.19-0.2213.95%
38CP064Ahrefs Referring Pages260,3464,770-0.19-0.2213.95%
39GD001Google Variation Density3313-0.19-0.4581.49%
40CP067Ahrefs Text Backlinks260,0544,597-0.19-0.2214.05%
41CP481Keywords in Title Tag32-0.19-0.4578.33%
42LSI001LSI Words in Title Tag145-0.19-0.4491.16%
43CP458Page Size Kilobytes385150-0.19-0.4683.91%
44CP137Keywords in the Canonical URL42-0.19-0.4682.98%
45CP140Clean Text Kilobytes3110-0.19-0.4084.47%
46CP492bUnabridged Word Count5,2111,672-0.18-0.4086.33%
47ENT018Entities in Sentences62489-0.18-0.3998.14%
48CP059Ahrefs Rank4112-0.18-0.3812.37%
49CP487Keywords in pages top 5 most used phrases101-0.18-0.4885.12%
50CP134aSearch Terms in Body Tag21414-0.18-0.4190.60%
51CPXX888Number of HTML Tags3,267879-0.18-0.4482.88%
52CP470aSearch Terms in the HTML Tag25911-0.18-0.4383.35%
53CP492Word Count4,2611,311-0.18-0.4085.12%
54CP381Keywords in Meta Descriptions62-0.18-0.4580.84%
55LSI006LSI Words in H2 Tags9015-0.18-0.4393.21%
56DD008DomDetailer Majestic Referring Domains1,844,588301,122-0.18-0.2232.56%
57CP113Search Result URL Matches202-0.18-0.4378.70%
58DD010DomDetailer Majestic Referring Subnets73,43913,609-0.18-0.2232.56%
59CP128Keywords in Alt Attributes567-0.18-0.4189.77%
60DD006DomDetailer Majestic IPs289,38148,874-0.18-0.2232.56%
61DD005DomDetailer Majestic CF6635-0.18-0.4232.19%
62CP146Keywords in the First 100 Words197-0.18-0.4379.91%
63CP124aKeywords in Absolute URLs3,85650-0.18-0.4290.88%
64CP471Keywords in Span Tags3739-0.18-0.4090.42%
65ENT002Entities in H1 Tags62-0.18-0.4256.84%
66ENT008Entities in Meta Description Tag113-0.18-0.4557.02%
67DD015DomDetailer Moz PA7241-0.17-0.4030.42%
68CP108Search Result Summary Length357155-0.17-0.4282.51%
69DD013DomDetailer Moz DA8740-0.17-0.3929.67%
70ENT001Entities in HTML Tag3,831305-0.17-0.3695.35%
71CP152Keywords in H1 Tags31-0.17-0.4078.51%
72CP468Number of Sentences20253-0.17-0.3882.88%
73CP109Search Result Summary Text Matches62-0.17-0.4577.30%
74CP486Keywords in pages top 3 most used phrases61-0.17-0.4583.44%
75CP004Ahrefs Dofollow Backlinks132,1723,138-0.17-0.2413.40%
76CP425Number of HTTPS Links516147-0.17-0.3880.93%
77CPXR018Keywords in Nav Tags3,27922-0.17-0.4188.65%
78LSI003LSI Words in Meta Description Tag289-0.17-0.4088.28%
79CP431Number of Internal Links502135-0.17-0.3882.33%
80CP484Leading Keywords in Title Tag10-0.17-0.4675.44%
81CP410Number of DoFollow Links505147-0.16-0.3880.09%
82DD012DomDetailer Majestic TF6627-0.16-0.3731.44%
83CP435Number of Links517152-0.16-0.3780.37%
84GD003Google Density Variations5,87844-0.16-0.3876.28%
85CPXR24Number of P Tags12936-0.16-0.3984.84%
86DD007DomDetailer Majestic Links173,742,59814,550,231-0.16-0.1732.00%
87CP476TF/IDF11-0.16-0.4482.23%
88DD002DomDetailer Facebook Shares11,122,821277,626-0.16-0.2332.47%
89CPXR003Number of Heading Tags7021-0.16-0.3784.09%
90CP169Keywords in H3 Tags622-0.16-0.3889.77%
91CP038Ahrefs Has NoFollow Backlinks11-0.16-0.4213.30%
92CP151Leading Keywords in H1 Tags10-0.16-0.4277.58%
93CP072Search Result Document Matches41-0.16-0.4168.09%
94CP159aSearch Terms in H1-H6 Tags121-0.16-0.3987.53%
95LSI005LSI Words in H1 Tags144-0.16-0.3586.79%
96CP164Leading Keywords in H2 Tags81-0.16-0.4185.12%
97QS004Number of Questions In Headings71-0.16-0.3940.47%
98CP383Keywords in Meta OpenGraph Description121-0.16-0.4178.33%
99CP125Keywords making whole A Tags51-0.16-0.3984.56%
100CPX003Keywords in Main Tags5,91856-0.16-0.4484.65%
101CP358Inline Javascript Kilobytes15333-0.15-0.3681.30%
102QS003Number of Questions154-0.15-0.3679.35%
103ENT010Title Tag Has Entities11-0.15-0.4251.63%
104GD004Google Density Exact Matches353-0.15-0.3768.84%
105DD014DomDetailer Moz Links113,944,22714,470,863-0.15-0.2331.44%
106ENT005Entities in H4 Tags132-0.15-0.4161.12%
107LSI007LSI Words in H3 Tags17515-0.15-0.3692.00%
108DD016DomDetailer Moz Rank94-0.15-0.3729.30%
109ENT013Has Entities in H2 Tags11-0.15-0.4456.84%
110CP374Keywords in the last 100 words1934-0.15-0.3779.81%
111CP385Keywords in Meta OpenGraph Content81-0.15-0.4176.28%
112CP426Number of Images14027-0.15-0.3582.33%
113CP472Keywords making whole Span Tags71-0.15-0.3882.33%
114CPXR005Number of H2 Tags166-0.15-0.3783.72%
115CP376Keywords making whole LI Tags61-0.15-0.3981.21%
116CPJLDxSANumber Of JSON-LD Types12110-0.15-0.3977.49%
117CP427Number of Images with Alt Text11718-0.15-0.3683.07%
118CPX013Keywords in Footer Tags536-0.15-0.3784.37%
119ENT012Has Entities in H1 Tags11-0.15-0.4253.21%
120CP483aSearch Terms in the Title Tag20-0.14-0.3979.72%
121CP477Keywords in Title Attributes1888-0.14-0.3784.37%
122CP391Number of Absolute URLs489141-0.14-0.3581.58%
123CP158Keywords making whole H1-H6 Tags30-0.14-0.4075.35%
124CP467Keywords in Section Tags9216-0.14-0.4082.98%
125CP019Ahrefs Has DoFollow Backlinks10-0.14-0.3912.93%
126CP177Keywords in H4-H6 Tags351-0.14-0.3881.67%
127CP154Keywords making whole H1, H2, and H3 Tags10-0.14-0.4073.86%
128CP045Ahrefs Has Text Backlinks11-0.14-0.3813.40%
129ENT014Has Entities in H3 Tags11-0.14-0.4155.07%
130CP017Ahrefs Has Backlinks11-0.14-0.3813.40%
131CPXR006Number of H3 Tags557-0.14-0.3382.23%
132CP473Keywords in Strong Tags992-0.14-0.3579.91%
133ENT011Meta Description Tag Has Entities11-0.13-0.4049.77%
134QS012Headings Has Question10-0.13-0.4072.65%
135CP460Percentage of DoFollow Internal Links9776-0.13-0.3373.12%
136CP485Keywords in pages most used phrase10-0.13-0.4076.09%
137CP168Leading Keywords in H3 Tags110-0.13-0.3682.42%
138CP126aSearch Terms in A Tags872-0.13-0.3388.00%
139CP413Number of External Links8117-0.13-0.2972.09%
140CP355Keywords in ID Attributes3841-0.13-0.3681.49%
141CP377Load Time Milliseconds45,8552,476-0.13-0.2668.74%
142CP173Keywords in H4 Tags261-0.13-0.3683.44%
143CP469aSearch Terms in Sentences432-0.13-0.3487.26%
144DD011DomDetailer Majestic Referring .gov Links19,414,1402,948,492-0.13-0.2129.02%
145CP050Ahrefs Internal Links38479-0.13-0.2413.77%
146PAGE009Number of Prices14731-0.13-0.3017.12%
147QS006Number of Questions In H2 Tags30-0.13-0.3477.02%
148CP150aSearch Terms in H1 Tags10-0.13-0.3479.91%
149CP139Keywords in Class Attributes1806-0.13-0.3277.12%
150CP070Ahrefs Word Count3,5601,079-0.13-0.3110.79%
151CP353Head Size Kilobytes11940-0.13-0.3273.77%
152CP356Keywords in I Tags363-0.13-0.3579.26%
153CP099Search Result Number of Dirs in Path42-0.13-0.3460.56%
154CP451Number of US Phone Numbers1307-0.13-0.2874.33%
155CP213Has FavIcon11-0.13-0.3868.93%
156CP409Number of DoFollow External Links6815-0.12-0.2769.40%
157CP357Inline CSS Kilobytes9126-0.12-0.3376.28%
158CPXR007Number of H4 Tags314-0.12-0.3176.19%
159CP048Ahrefs Image Backlinks119,7501,628-0.12-0.2212.93%
160CP149Keywords making whole H1 Tags10-0.12-0.3872.93%
161QS007Number of Questions In H3 Tags30-0.12-0.3477.86%
162LSI008LSI Words in H4 Tags607-0.12-0.3285.95%
163CP130Keywords in Article Tags1,01519-0.12-0.3677.86%
164CP380Meta Description Length288120-0.12-0.3169.95%
165CP347Has US Phone Number10-0.12-0.3759.35%
166CP150a2Search Terms in H2 Tags60-0.12-0.3486.98%
167CP032Ahrefs Has Image Backlinks10-0.12-0.3412.47%
168CP481bWord Count in Meta Description Tag4419-0.12-0.3170.98%
169CP319Has Schema Markup11-0.12-0.3868.19%
170ENT015Has Entities in H4 Tags10-0.12-0.3749.77%
171CP428Number of Images without Alt Text709-0.12-0.2971.63%
172CP440Number of NoFollow Links446-0.12-0.3076.84%
173CP465zKeywords in Form Tags91-0.12-0.3474.33%
174CPJLD011Has JSON-LD Answer10-0.12-0.3656.00%
175CPJLD217Has JSON-LD Question10-0.12-0.3656.00%
176CP176Leading Keywords in H4-H6 Tags80-0.12-0.3476.56%
177CP148Flesch Kincaid Reading Grade84-0.12-0.2933.49%
178CPXR011Keywords in Button Tags141-0.12-0.3580.00%
179CP007Ahrefs External Links5617-0.12-0.2113.67%
180CP445Number of Social Pages153-0.12-0.2672.74%
181CP418Number of Forms182-0.12-0.2968.00%
182CP204Has Canonical URL11-0.12-0.3766.42%
183CP052Ahrefs Linked Root Domains166-0.12-0.2613.30%
184PAGE001Is Home Page10-0.12-0.337.53%
185CP439Number of NoFollow Externa Links253-0.12-0.3176.37%
186CP133Keywords in B Tags321-0.12-0.3273.77%
187CP313Has Privacy Policy11-0.12-0.3672.09%
188CP415Number of FaceBook Pages92-0.11-0.2872.00%
189CPJLD007Has JSON-LD AggregateRating10-0.11-0.3660.00%
190CP432Number of JavaScript Includes3014-0.11-0.3069.21%
191CP479Title Has Sales Words10-0.11-0.3467.72%
192CP131Average Words Per Sentence24041-0.11-0.2768.37%
193CP491Keywords in Value Attributes251-0.11-0.2970.88%
194CP208Has Copyright11-0.11-0.3665.67%
195BYTES01Bytes To First P Tag84,45051,963-0.11-0.3357.67%
196CP481aWord Count in Title Tag128-0.11-0.2954.42%
197CPXR015Keywords in Figure Tags1877-0.11-0.3374.05%
198CP479iiTitle Has Sentiment Words10-0.11-0.3367.07%
199CP424Number of HREF Lang Tags211-0.11-0.3171.81%
200CPJLDxCBNumber Of Claimed Brands81-0.11-0.3263.26%


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