Top SEO Factors




Top SEO Factors - 2021-11-29      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 - 2021-11-29 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1ENT000aNumber of Entities Used7326-0.30-0.6268.29%
2CPZZZ100Number of Top 100 Shared Factors Used7451-0.28-0.4911.99%
3CPZZZ50Number of Top 50 Shared Factors Used4227-0.28-0.4511.90%
4CPZZZNumber of Factors Used205129-0.26-0.5291.03%
5CPZZZ200Number of Top 200 Shared Factors Used12891-0.25-0.4811.37%
6CP470Keywords in the HTML Tag38,261224-0.24-0.5196.54%
7CP134Keywords in Body Tag29,333192-0.23-0.5196.36%
8CPX010Keywords in Div Tags22,921150-0.23-0.5095.56%
9CP475Term Frequency115-0.23-0.4895.03%
10LSI002LSI Words in Sentences2,583501-0.22-0.4896.80%
11CP129Keywords in A Tags5,15837-0.22-0.4695.65%
12ENT009Entities in Title Tag62-0.22-0.5164.65%
13CP161Keywords in H1-H6 Tags1508-0.22-0.4893.87%
14CP157Keywords in H1, H2, and H3 Tags1036-0.21-0.4792.98%
15CP465Keywords in P Tags2,18632-0.21-0.4892.98%
16CP097Search Result Link Text Matches71-0.21-0.5181.79%
17CP071Search Result Display URL Matches71-0.21-0.5181.79%
18ENT003Entities in H2 Tags305-0.21-0.4966.96%
19CP054Ahrefs NoFollow Backlinks128,2582,163-0.21-0.3017.14%
20CP375Keywords in LI Tags97118-0.21-0.4795.29%
21CP153Keywords in H1 and H2 Tags424-0.21-0.4791.30%
22CP127bKeywords in Unique A Tag HREFs1,70236-0.20-0.4584.90%
23CP127Keywords in A Tag HREFs2,43452-0.20-0.4493.96%
24CP469Keywords in Sentences14221-0.20-0.4589.52%
25CP135Body Tag Size Kilobytes30786-0.20-0.4791.65%
26CP061Ahrefs Referring Class C Addresses1,26061-0.20-0.3417.41%
27CKWD001Clean Keyword Density in the HTML Tag2044-0.20-0.4680.64%
28CP062Ahrefs Referring Domains2,77598-0.20-0.3317.41%
29CP063Ahrefs Referring IP Addresses2,25290-0.20-0.3417.41%
30CP067Ahrefs Text Backlinks260,0546,226-0.20-0.2717.41%
31CP059Ahrefs Rank3914-0.20-0.4214.74%
32CP064Ahrefs Referring Pages260,3466,236-0.20-0.2617.41%
33CP002Ahrefs Backlinks260,3466,236-0.20-0.2617.41%
34CP465cKeywords in script Tags5,79850-0.20-0.4793.34%
35CP481Keywords in Title Tag82-0.19-0.4781.53%
36CP488Keywords in pages top 10 most used phrases222-0.19-0.4885.52%
37GD001Google Variation Density3393-0.19-0.4577.09%
38CP160Leading Keywords in H1-H6 Tags312-0.19-0.4490.59%
39CP458Page Size Kilobytes411151-0.19-0.4785.08%
40LSI001LSI Words in Title Tag145-0.19-0.4490.41%
41ENT004Entities in H3 Tags305-0.19-0.4767.14%
42CP999Search Result Path Matches141-0.19-0.4576.11%
43ENT018Entities in Sentences56281-0.19-0.4097.69%
44CP156Leading Keywords in H1, H2, and H3 Tags231-0.19-0.4389.96%
45CP165Keywords in H2 Tags503-0.19-0.4590.41%
46CPXX888Number of HTML Tags2,582885-0.18-0.4585.97%
47CP140Clean Text Kilobytes2910-0.18-0.4087.48%
48CP492bUnabridged Word Count4,1331,604-0.18-0.4087.30%
49ENT001Entities in HTML Tag2,056293-0.18-0.3797.34%
50CP487Keywords in pages top 5 most used phrases111-0.18-0.4685.08%
51CP004Ahrefs Dofollow Backlinks132,1723,797-0.18-0.2716.70%
52CP128Keywords in Alt Attributes2158-0.18-0.4091.12%
53CP492Word Count3,5321,253-0.18-0.3985.61%
54CP137Keywords in the Canonical URL51-0.18-0.4482.86%
55CP146Keywords in the First 100 Words2077-0.18-0.4380.11%
56CP134aSearch Terms in Body Tag21413-0.18-0.4190.41%
57CP381Keywords in Meta Descriptions932-0.18-0.4484.46%
58CP471Keywords in Span Tags42610-0.18-0.4191.39%
59ENT008Entities in Meta Description Tag1083-0.17-0.4461.10%
60CP470aSearch Terms in the HTML Tag25310-0.17-0.4183.30%
61CP124aKeywords in Absolute URLs9,07261-0.17-0.3988.99%
62LSI006LSI Words in H2 Tags6414-0.17-0.4192.27%
63CP152Keywords in H1 Tags131-0.17-0.4179.22%
64CP425Number of HTTPS Links516149-0.17-0.3984.28%
65ENT002Entities in H1 Tags62-0.17-0.4259.86%
66GD003Google Density Variations7,75263-0.17-0.3972.65%
67CP109Search Result Summary Text Matches213-0.17-0.4578.95%
68CP486Keywords in pages top 3 most used phrases61-0.17-0.4583.48%
69CP113Search Result URL Matches211-0.17-0.4179.22%
70CPXR018Keywords in Nav Tags6,45432-0.17-0.4190.85%
71CP431Number of Internal Links502136-0.17-0.3884.19%
72DD013DomDetailer Moz DA8738-0.16-0.3724.42%
73DD010DomDetailer Majestic Referring Subnets73,43913,670-0.16-0.2027.80%
74CP468Number of Sentences15548-0.16-0.3880.46%
75DD002DomDetailer Facebook Shares11,122,821430,112-0.16-0.2326.73%
76CP108Search Result Summary Length412157-0.16-0.4083.84%
77CP435Number of Links517153-0.16-0.3883.57%
78DD006DomDetailer Majestic IPs289,38151,556-0.16-0.2028.06%
79DD008DomDetailer Majestic Referring Domains1,844,588334,067-0.16-0.2028.24%
80CP410Number of DoFollow Links505148-0.16-0.3783.66%
81DD015DomDetailer Moz PA7238-0.16-0.3925.49%
82DD005DomDetailer Majestic CF6433-0.16-0.3727.44%
83CP476TF/IDF11-0.16-0.4582.95%
84DD012DomDetailer Majestic TF6626-0.16-0.3426.91%
85CP385Keywords in Meta OpenGraph Content111-0.16-0.4376.20%
86CP151Leading Keywords in H1 Tags10-0.16-0.4278.86%
87LSI003LSI Words in Meta Description Tag3499-0.16-0.3989.25%
88CPXR24Number of P Tags12334-0.16-0.3884.01%
89CP383Keywords in Meta OpenGraph Description922-0.16-0.4179.84%
90CP484Leading Keywords in Title Tag10-0.16-0.4477.09%
91CP169Keywords in H3 Tags822-0.16-0.3890.50%
92ENT005Entities in H4 Tags132-0.16-0.4162.43%
93ENT013Has Entities in H2 Tags11-0.16-0.4558.79%
94CPX003Keywords in Main Tags15,49082-0.15-0.4486.23%
95QS004Number of Questions In Headings61-0.15-0.3940.14%
96CP019Ahrefs Has DoFollow Backlinks10-0.15-0.4215.81%
97LSI005LSI Words in H1 Tags174-0.15-0.3686.32%
98DD007DomDetailer Majestic Links99,759,6469,208,015-0.15-0.1727.89%
99CP159aSearch Terms in H1-H6 Tags111-0.15-0.3988.10%
100ENT010Title Tag Has Entities11-0.15-0.4153.55%
101CP038Ahrefs Has NoFollow Backlinks11-0.15-0.4016.34%
102CPXR003Number of Heading Tags5320-0.15-0.3783.93%
103CP358Inline Javascript Kilobytes15735-0.15-0.3481.53%
104CP072Search Result Document Matches131-0.15-0.3968.47%
105CP426Number of Images9928-0.15-0.3483.84%
106CP045Ahrefs Has Text Backlinks11-0.15-0.4016.43%
107CP125Keywords making whole A Tags41-0.15-0.3785.79%
108CP472Keywords making whole Span Tags71-0.15-0.3884.99%
109QS003Number of Questions174-0.15-0.3477.62%
110LSI007LSI Words in H3 Tags7313-0.15-0.3591.56%
111DD016DomDetailer Moz Rank94-0.15-0.3623.89%
112CP164Leading Keywords in H2 Tags81-0.15-0.3886.94%
113CP376Keywords making whole LI Tags61-0.14-0.3882.33%
114GD004Google Density Exact Matches353-0.14-0.3565.36%
115CP391Number of Absolute URLs434137-0.14-0.3580.73%
116CP467Keywords in Section Tags89015-0.14-0.4184.99%
117CP017Ahrefs Has Backlinks11-0.14-0.3916.61%
118CP070Ahrefs Word Count3,5601,115-0.14-0.3412.17%
119CP427Number of Images with Alt Text7518-0.14-0.3583.93%
120CP374Keywords in the last 100 words2024-0.14-0.3780.02%
121CP158Keywords making whole H1-H6 Tags20-0.14-0.4178.15%
122CP048Ahrefs Image Backlinks119,7502,059-0.14-0.2915.81%
123ENT012Has Entities in H1 Tags11-0.14-0.4154.71%
124CPJLDxSANumber Of JSON-LD Types1219-0.14-0.3773.62%
125CP477Keywords in Title Attributes2638-0.14-0.3686.86%
126CP032Ahrefs Has Image Backlinks10-0.14-0.3815.19%
127CPX013Keywords in Footer Tags3,80912-0.14-0.3586.77%
128CP154Keywords making whole H1, H2, and H3 Tags20-0.14-0.4076.11%
129DD014DomDetailer Moz Links113,944,22715,518,169-0.14-0.2027.26%
130CP483aSearch Terms in the Title Tag20-0.14-0.3881.17%
131ENT014Has Entities in H3 Tags10-0.14-0.4156.66%
132CPXR005Number of H2 Tags156-0.14-0.3584.72%
133CP177Keywords in H4-H6 Tags431-0.14-0.3684.46%
134CP473Keywords in Strong Tags1132-0.14-0.3778.77%
135CP126aSearch Terms in A Tags642-0.13-0.3488.01%
136CP050Ahrefs Internal Links38488-0.13-0.2716.96%
137CP353Head Size Kilobytes10440-0.13-0.3371.31%
138ENT011Meta Description Tag Has Entities11-0.13-0.3952.49%
139CPXR006Number of H3 Tags307-0.13-0.3282.59%
140CP377Load Time Milliseconds35,9552,326-0.13-0.2669.72%
141CP460Percentage of DoFollow Internal Links9777-0.13-0.3275.22%
142CP173Keywords in H4 Tags351-0.13-0.3684.46%
143CP485Keywords in pages most used phrase20-0.13-0.3975.93%
144CP057Ahrefs Page Size81,04924,883-0.13-0.2811.37%
145CP168Leading Keywords in H3 Tags131-0.13-0.3584.37%
146CP130Keywords in Article Tags1,49020-0.13-0.3774.25%
147CP413Number of External Links7217-0.13-0.3070.16%
148QS012Headings Has Question10-0.13-0.3972.20%
149CP007Ahrefs External Links7417-0.13-0.2616.61%
150CP213Has FavIcon11-0.13-0.3770.96%
151CP005Ahrefs Domain Rating7833-0.13-0.3312.97%
152CP357Inline CSS Kilobytes9127-0.13-0.3375.13%
153CP099Search Result Number of Dirs in Path42-0.13-0.3360.39%
154CP356Keywords in I Tags802-0.12-0.3579.57%
155CP469aSearch Terms in Sentences252-0.12-0.3186.50%
156CP319Has Schema Markup11-0.12-0.3969.89%
157PAGE001Is Home Page10-0.12-0.343.73%
158CPXR007Number of H4 Tags314-0.12-0.3176.82%
159CP149Keywords making whole H1 Tags10-0.12-0.3774.69%
160CP139Keywords in Class Attributes6,49119-0.12-0.3378.95%
161CP451Number of US Phone Numbers1427-0.12-0.2976.38%
162CP428Number of Images without Alt Text3210-0.12-0.2974.16%
163QS006Number of Questions In H2 Tags30-0.12-0.3475.75%
164ENT015Has Entities in H4 Tags10-0.12-0.3852.49%
165CP052Ahrefs Linked Root Domains206-0.12-0.2917.05%
166CP440Number of NoFollow Links316-0.12-0.3079.93%
167CP409Number of DoFollow External Links6914-0.12-0.2867.14%
168DD011DomDetailer Majestic Referring .gov Links20,976,5833,455,709-0.12-0.2025.04%
169CP424Number of HREF Lang Tags212-0.12-0.3473.62%
170LSI008LSI Words in H4 Tags456-0.12-0.3285.35%
171CP432Number of JavaScript Includes2814-0.12-0.3171.05%
172CP380Meta Description Length3,814125-0.12-0.3071.40%
173CP176Leading Keywords in H4-H6 Tags80-0.12-0.3578.06%
174CP355Keywords in ID Attributes7162-0.12-0.3383.66%
175CP479iiTitle Has Sentiment Words10-0.12-0.3566.07%
176QS007Number of Questions In H3 Tags30-0.12-0.3374.78%
177CPJLD011Has JSON-LD Answer10-0.12-0.3756.13%
178CP056Ahrefs Pages51-0.12-0.2616.52%
179CPJLD217Has JSON-LD Question10-0.12-0.3756.04%
180CP481bWord Count in Meta Description Tag60120-0.12-0.3072.47%
181CP445Number of Social Pages153-0.12-0.2670.87%
182CPJLD007Has JSON-LD AggregateRating10-0.12-0.3763.68%
183CP479Title Has Sales Words10-0.12-0.3466.79%
184CP150aSearch Terms in H1 Tags10-0.12-0.3379.22%
185CP150a2Search Terms in H2 Tags40-0.12-0.3285.61%
186CP439Number of NoFollow Externa Links263-0.12-0.3177.98%
187CP418Number of Forms182-0.12-0.3066.87%
188CP131Average Words Per Sentence23242-0.12-0.2771.67%
189CP444Number of Social Accounts61-0.11-0.2967.94%
190BYTES01Bytes To First P Tag76,30352,245-0.11-0.3353.73%
191CP224Has Meta Charset11-0.11-0.3462.34%
192CPXR011Keywords in Button Tags4101-0.11-0.3482.06%
193PAGE009Number of Prices14733-0.11-0.268.79%
194CP203Has Apple Touch Icon10-0.11-0.3664.03%
195CP347Has US Phone Number10-0.11-0.3562.17%
196CP313Has Privacy Policy11-0.11-0.3670.96%
197CP430Number of Instagram Pages121-0.11-0.2772.11%
198CP022Ahrefs Has External Links11-0.11-0.3415.45%
199CPJLDxCBNumber Of Claimed Brands71-0.11-0.3260.21%
200CP148Flesch Kincaid Reading Grade83-0.11-0.2933.39%


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