Top SEO Factors




Top SEO Factors - 2021-11-28      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 - 2021-11-28 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1ENT000aNumber of Entities Used7325-0.29-0.6169.40%
2CPZZZ100Number of Top 100 Shared Factors Used7451-0.28-0.4911.23%
3CPZZZ50Number of Top 50 Shared Factors Used4227-0.28-0.4611.15%
4CPZZZNumber of Factors Used205129-0.26-0.5290.78%
5CPZZZ200Number of Top 200 Shared Factors Used12891-0.25-0.4810.73%
6CP470Keywords in the HTML Tag38,261220-0.24-0.5196.23%
7CP134Keywords in Body Tag29,333187-0.23-0.5296.14%
8CPX010Keywords in Div Tags22,921147-0.23-0.5195.47%
9CP475Term Frequency115-0.23-0.4994.72%
10LSI002LSI Words in Sentences2,694495-0.22-0.4896.65%
11CP129Keywords in A Tags5,15837-0.22-0.4695.56%
12ENT009Entities in Title Tag62-0.22-0.5065.21%
13CP161Keywords in H1-H6 Tags1507-0.22-0.4793.21%
14CP157Keywords in H1, H2, and H3 Tags1036-0.21-0.4792.37%
15CP465Keywords in P Tags2,18632-0.21-0.4992.62%
16CP071Search Result Display URL Matches71-0.21-0.5181.06%
17CP097Search Result Link Text Matches71-0.21-0.5181.06%
18ENT003Entities in H2 Tags305-0.21-0.4967.14%
19CP375Keywords in LI Tags97119-0.21-0.4894.55%
20CP153Keywords in H1 and H2 Tags424-0.21-0.4690.36%
21CP054Ahrefs NoFollow Backlinks128,2582,118-0.20-0.3016.43%
22CP469Keywords in Sentences14221-0.20-0.4588.68%
23CP135Body Tag Size Kilobytes30786-0.20-0.4791.53%
24CP127bKeywords in Unique A Tag HREFs1,70235-0.20-0.4483.49%
25CP127Keywords in A Tag HREFs2,43451-0.20-0.4492.54%
26CP061Ahrefs Referring Class C Addresses1,26060-0.20-0.3416.51%
27CKWD001Clean Keyword Density in the HTML Tag2044-0.20-0.4579.63%
28CP062Ahrefs Referring Domains2,77596-0.20-0.3316.60%
29CP063Ahrefs Referring IP Addresses2,25288-0.20-0.3416.51%
30CP059Ahrefs Rank3914-0.20-0.4214.25%
31CP067Ahrefs Text Backlinks260,0546,116-0.20-0.2716.60%
32CP465cKeywords in script Tags5,79849-0.20-0.4793.55%
33CP064Ahrefs Referring Pages260,3466,127-0.20-0.2616.60%
34CP002Ahrefs Backlinks260,3466,127-0.20-0.2616.60%
35CP481Keywords in Title Tag82-0.19-0.4781.22%
36CP458Page Size Kilobytes411151-0.19-0.4785.58%
37CP488Keywords in pages top 10 most used phrases222-0.19-0.4883.74%
38CP160Leading Keywords in H1-H6 Tags312-0.19-0.4390.44%
39GD001Google Variation Density3393-0.19-0.4576.45%
40ENT018Entities in Sentences56279-0.19-0.4197.82%
41LSI001LSI Words in Title Tag145-0.19-0.4390.28%
42CP999Search Result Path Matches141-0.19-0.4573.93%
43ENT004Entities in H3 Tags305-0.19-0.4767.56%
44CPXX888Number of HTML Tags2,937910-0.19-0.4586.25%
45CP165Keywords in H2 Tags503-0.19-0.4589.27%
46CP156Leading Keywords in H1, H2, and H3 Tags231-0.19-0.4389.77%
47CP492bUnabridged Word Count4,2061,627-0.18-0.4087.59%
48CP140Clean Text Kilobytes3910-0.18-0.4087.68%
49ENT001Entities in HTML Tag3,882287-0.18-0.3897.40%
50CP492Word Count3,5321,273-0.18-0.3985.92%
51CP004Ahrefs Dofollow Backlinks132,1723,754-0.18-0.2715.76%
52CP128Keywords in Alt Attributes2158-0.18-0.4091.45%
53CP487Keywords in pages top 5 most used phrases111-0.18-0.4683.15%
54CP146Keywords in the First 100 Words2077-0.18-0.4378.37%
55CP471Keywords in Span Tags42610-0.18-0.4191.28%
56CP381Keywords in Meta Descriptions932-0.18-0.4484.33%
57CP134aSearch Terms in Body Tag21413-0.18-0.4190.36%
58CP137Keywords in the Canonical URL51-0.17-0.4382.98%
59ENT008Entities in Meta Description Tag1083-0.17-0.4461.69%
60CP152Keywords in H1 Tags131-0.17-0.4178.54%
61ENT002Entities in H1 Tags62-0.17-0.4259.68%
62CP425Number of HTTPS Links581153-0.17-0.3984.66%
63CP470aSearch Terms in the HTML Tag25310-0.17-0.4083.91%
64CP124aKeywords in Absolute URLs9,07260-0.17-0.3987.76%
65LSI006LSI Words in H2 Tags6413-0.17-0.4191.87%
66CP109Search Result Summary Text Matches213-0.17-0.4577.87%
67GD003Google Density Variations7,75262-0.17-0.3971.84%
68CP431Number of Internal Links583141-0.17-0.3884.66%
69DD013DomDetailer Moz DA8738-0.17-0.3723.47%
70CP486Keywords in pages top 3 most used phrases61-0.17-0.4482.31%
71CPXR018Keywords in Nav Tags6,45431-0.17-0.4190.03%
72DD010DomDetailer Majestic Referring Subnets73,43913,703-0.16-0.1926.74%
73CP435Number of Links590158-0.16-0.3883.91%
74CP468Number of Sentences15548-0.16-0.3780.13%
75CP108Search Result Summary Length412157-0.16-0.4083.99%
76DD002DomDetailer Facebook Shares11,122,821385,507-0.16-0.2225.73%
77DD006DomDetailer Majestic IPs289,38151,836-0.16-0.1926.99%
78DD008DomDetailer Majestic Referring Domains1,844,588337,803-0.16-0.2027.16%
79CP113Search Result URL Matches211-0.16-0.4079.63%
80CP410Number of DoFollow Links566152-0.16-0.3883.91%
81DD015DomDetailer Moz PA7239-0.16-0.3924.48%
82CP476TF/IDF11-0.16-0.4582.48%
83DD012DomDetailer Majestic TF6626-0.16-0.3425.82%
84DD005DomDetailer Majestic CF6433-0.16-0.3726.32%
85CPXR24Number of P Tags12334-0.16-0.3883.40%
86CP151Leading Keywords in H1 Tags10-0.16-0.4278.79%
87LSI003LSI Words in Meta Description Tag3498-0.16-0.3989.52%
88ENT005Entities in H4 Tags132-0.16-0.4262.03%
89CP484Leading Keywords in Title Tag10-0.16-0.4477.28%
90CP383Keywords in Meta OpenGraph Description921-0.16-0.4079.46%
91CP385Keywords in Meta OpenGraph Content111-0.16-0.4276.03%
92QS004Number of Questions In Headings61-0.16-0.3938.64%
93CP169Keywords in H3 Tags822-0.16-0.3890.03%
94CPX003Keywords in Main Tags15,49080-0.15-0.4385.33%
95ENT013Has Entities in H2 Tags11-0.15-0.4559.09%
96DD007DomDetailer Majestic Links99,759,6469,186,280-0.15-0.1726.82%
97CP019Ahrefs Has DoFollow Backlinks10-0.15-0.4114.92%
98LSI005LSI Words in H1 Tags174-0.15-0.3686.25%
99ENT010Title Tag Has Entities11-0.15-0.4254.48%
100CP159aSearch Terms in H1-H6 Tags111-0.15-0.3987.85%
101CPXR003Number of Heading Tags5320-0.15-0.3782.73%
102CP358Inline Javascript Kilobytes15734-0.15-0.3481.48%
103CP038Ahrefs Has NoFollow Backlinks11-0.15-0.4015.59%
104CP426Number of Images9928-0.15-0.3483.99%
105CP072Search Result Document Matches131-0.15-0.3966.55%
106CP472Keywords making whole Span Tags71-0.15-0.3884.91%
107CP070Ahrefs Word Count3,5601,133-0.15-0.3411.65%
108QS003Number of Questions174-0.15-0.3476.36%
109CP045Ahrefs Has Text Backlinks11-0.15-0.4015.51%
110CP125Keywords making whole A Tags41-0.15-0.3784.91%
111DD016DomDetailer Moz Rank94-0.15-0.3622.88%
112CP164Leading Keywords in H2 Tags81-0.15-0.3886.17%
113CP376Keywords making whole LI Tags61-0.15-0.3881.89%
114CP467Keywords in Section Tags89014-0.15-0.4184.74%
115LSI007LSI Words in H3 Tags7313-0.14-0.3591.28%
116CP391Number of Absolute URLs434137-0.14-0.3580.72%
117CP427Number of Images with Alt Text7518-0.14-0.3584.24%
118GD004Google Density Exact Matches353-0.14-0.3564.88%
119ENT012Has Entities in H1 Tags11-0.14-0.4154.82%
120CP017Ahrefs Has Backlinks11-0.14-0.3915.59%
121CP158Keywords making whole H1-H6 Tags20-0.14-0.4078.46%
122CP374Keywords in the last 100 words2024-0.14-0.3678.79%
123CP477Keywords in Title Attributes2638-0.14-0.3786.92%
124CP048Ahrefs Image Backlinks119,7502,013-0.14-0.2915.17%
125CPJLDxSANumber Of JSON-LD Types1219-0.14-0.3774.10%
126CPX013Keywords in Footer Tags3,80912-0.14-0.3585.41%
127CP032Ahrefs Has Image Backlinks10-0.14-0.3814.42%
128CP154Keywords making whole H1, H2, and H3 Tags20-0.14-0.4076.53%
129DD014DomDetailer Moz Links113,944,22715,842,102-0.14-0.2026.24%
130CP483aSearch Terms in the Title Tag20-0.14-0.3980.55%
131CPXR005Number of H2 Tags156-0.14-0.3483.49%
132ENT014Has Entities in H3 Tags10-0.14-0.4157.25%
133CP177Keywords in H4-H6 Tags431-0.14-0.3683.74%
134CP473Keywords in Strong Tags1132-0.13-0.3677.37%
135CP126aSearch Terms in A Tags642-0.13-0.3487.68%
136CP353Head Size Kilobytes10439-0.13-0.3371.17%
137CP050Ahrefs Internal Links38487-0.13-0.2716.35%
138ENT011Meta Description Tag Has Entities11-0.13-0.3953.48%
139CP057Ahrefs Page Size81,04925,219-0.13-0.2910.90%
140CPXR006Number of H3 Tags307-0.13-0.3281.89%
141CP173Keywords in H4 Tags351-0.13-0.3683.91%
142CP413Number of External Links7217-0.13-0.3171.58%
143CP377Load Time Milliseconds35,9552,314-0.13-0.2670.16%
144CP130Keywords in Article Tags1,49020-0.13-0.3773.01%
145CP485Keywords in pages most used phrase20-0.13-0.3875.27%
146CP168Leading Keywords in H3 Tags131-0.13-0.3584.07%
147QS012Headings Has Question10-0.13-0.3971.17%
148CP005Ahrefs Domain Rating7833-0.13-0.3312.74%
149CP460Percentage of DoFollow Internal Links9777-0.13-0.3173.85%
150CP357Inline CSS Kilobytes9127-0.13-0.3475.36%
151CP007Ahrefs External Links7417-0.13-0.2615.93%
152CP213Has FavIcon11-0.13-0.3770.33%
153CP099Search Result Number of Dirs in Path42-0.12-0.3360.94%
154ENT015Has Entities in H4 Tags10-0.12-0.3852.64%
155CP409Number of DoFollow External Links6914-0.12-0.2968.32%
156CP440Number of NoFollow Links316-0.12-0.3080.55%
157CP356Keywords in I Tags802-0.12-0.3578.88%
158CPXR007Number of H4 Tags314-0.12-0.3176.28%
159CP469aSearch Terms in Sentences252-0.12-0.3186.34%
160CP149Keywords making whole H1 Tags10-0.12-0.3774.94%
161DD011DomDetailer Majestic Referring .gov Links20,976,5833,515,319-0.12-0.2024.06%
162CP052Ahrefs Linked Root Domains206-0.12-0.2916.26%
163CP428Number of Images without Alt Text3210-0.12-0.2974.10%
164PAGE001Is Home Page10-0.12-0.333.44%
165CP319Has Schema Markup11-0.12-0.3969.91%
166QS006Number of Questions In H2 Tags30-0.12-0.3475.02%
167CP451Number of US Phone Numbers1427-0.12-0.2977.03%
168CP380Meta Description Length3,814126-0.12-0.3171.58%
169CP424Number of HREF Lang Tags212-0.12-0.3473.34%
170LSI008LSI Words in H4 Tags456-0.12-0.3285.00%
171CP139Keywords in Class Attributes6,49119-0.12-0.3279.13%
172CP481bWord Count in Meta Description Tag60120-0.12-0.3172.84%
173CP176Leading Keywords in H4-H6 Tags80-0.12-0.3577.62%
174CP432Number of JavaScript Includes2814-0.12-0.3170.24%
175QS007Number of Questions In H3 Tags30-0.12-0.3372.76%
176CP056Ahrefs Pages51-0.12-0.2615.67%
177CPJLD011Has JSON-LD Answer10-0.12-0.3754.82%
178CPJLD217Has JSON-LD Question10-0.12-0.3754.74%
179CP445Number of Social Pages153-0.12-0.2672.09%
180CPJLD007Has JSON-LD AggregateRating10-0.12-0.3764.29%
181CP150aSearch Terms in H1 Tags10-0.12-0.3378.79%
182CP439Number of NoFollow Externa Links263-0.12-0.3178.54%
183CP355Keywords in ID Attributes7162-0.12-0.3283.15%
184CP444Number of Social Accounts61-0.12-0.3069.24%
185CP479iiTitle Has Sentiment Words10-0.12-0.3467.14%
186CP131Average Words Per Sentence23242-0.12-0.2772.42%
187BYTES01Bytes To First P Tag76,30352,154-0.12-0.3353.98%
188CP418Number of Forms182-0.12-0.3067.64%
189CP479Title Has Sales Words10-0.12-0.3467.64%
190CPXR011Keywords in Button Tags4101-0.11-0.3481.48%
191CP150a2Search Terms in H2 Tags40-0.11-0.3284.74%
192PAGE009Number of Prices14733-0.11-0.268.21%
193CP430Number of Instagram Pages121-0.11-0.2773.01%
194CP224Has Meta Charset11-0.11-0.3462.53%
195CP049Ahrefs Images7017-0.11-0.2810.98%
196CPJLDxCBNumber Of Claimed Brands71-0.11-0.3361.27%
197CP022Ahrefs Has External Links11-0.11-0.3414.59%
198CP415Number of FaceBook Pages92-0.11-0.2771.75%
199CP203Has Apple Touch Icon10-0.11-0.3665.13%
200CP148Flesch Kincaid Reading Grade83-0.11-0.2832.10%


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