Top SEO Factors




Top SEO Factors - 2021-11-26      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 - 2021-11-26 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1ENT000aNumber of Entities Used7325-0.30-0.6271.38%
2CPZZZ100Number of Top 100 Shared Factors Used7452-0.28-0.4911.21%
3CPZZZ50Number of Top 50 Shared Factors Used4227-0.28-0.4511.12%
4CPZZZNumber of Factors Used205131-0.27-0.5390.52%
5CPZZZ200Number of Top 200 Shared Factors Used12892-0.25-0.4810.69%
6CP470Keywords in the HTML Tag38,261220-0.24-0.5196.03%
7CPX010Keywords in Div Tags22,921146-0.23-0.5195.34%
8CP134Keywords in Body Tag29,333187-0.23-0.5295.95%
9CP475Term Frequency115-0.23-0.4994.66%
10LSI002LSI Words in Sentences2,731504-0.22-0.4896.47%
11CP129Keywords in A Tags5,15836-0.22-0.4795.17%
12CP054Ahrefs NoFollow Backlinks128,2582,116-0.22-0.3216.21%
13ENT009Entities in Title Tag62-0.22-0.5167.07%
14CP161Keywords in H1-H6 Tags1507-0.22-0.4792.84%
15CP061Ahrefs Referring Class C Addresses1,26061-0.22-0.3616.47%
16CP465Keywords in P Tags2,18632-0.22-0.4992.93%
17CP062Ahrefs Referring Domains2,775100-0.22-0.3516.55%
18CP157Keywords in H1, H2, and H3 Tags1036-0.22-0.4792.24%
19CP063Ahrefs Referring IP Addresses2,25292-0.21-0.3516.47%
20CP067Ahrefs Text Backlinks1,191,1209,930-0.21-0.2816.38%
21CP002Ahrefs Backlinks1,191,1249,928-0.21-0.2816.38%
22CP064Ahrefs Referring Pages1,191,1239,928-0.21-0.2816.38%
23CP097Search Result Link Text Matches71-0.21-0.5180.43%
24CP071Search Result Display URL Matches71-0.21-0.5180.43%
25CP059Ahrefs Rank3915-0.21-0.4414.31%
26CP153Keywords in H1 and H2 Tags424-0.21-0.4790.09%
27ENT003Entities in H2 Tags275-0.21-0.5068.97%
28CP469Keywords in Sentences14221-0.21-0.4589.40%
29CP375Keywords in LI Tags97119-0.21-0.4894.66%
30CP135Body Tag Size Kilobytes30786-0.20-0.4891.21%
31CP127bKeywords in Unique A Tag HREFs1,70234-0.20-0.4482.93%
32CP127Keywords in A Tag HREFs2,43450-0.20-0.4492.41%
33CKWD001Clean Keyword Density in the HTML Tag2044-0.20-0.4678.79%
34CP465cKeywords in script Tags5,79848-0.20-0.4793.19%
35CP481Keywords in Title Tag82-0.20-0.4880.34%
36ENT018Entities in Sentences56281-0.19-0.4297.59%
37CP488Keywords in pages top 10 most used phrases222-0.19-0.4883.53%
38CP458Page Size Kilobytes411152-0.19-0.4785.43%
39CP004Ahrefs Dofollow Backlinks1,187,8817,645-0.19-0.2915.69%
40LSI001LSI Words in Title Tag145-0.19-0.4489.91%
41GD001Google Variation Density3393-0.19-0.4576.12%
42CP165Keywords in H2 Tags503-0.19-0.4589.40%
43ENT004Entities in H3 Tags305-0.19-0.4769.40%
44CP160Leading Keywords in H1-H6 Tags312-0.19-0.4390.09%
45CP999Search Result Path Matches141-0.19-0.4673.19%
46CPXX888Number of HTML Tags2,937908-0.19-0.4686.03%
47ENT001Entities in HTML Tag3,882296-0.18-0.3997.24%
48CP156Leading Keywords in H1, H2, and H3 Tags231-0.18-0.4389.31%
49CP492bUnabridged Word Count6,7851,643-0.18-0.4087.67%
50CP146Keywords in the First 100 Words2077-0.18-0.4477.50%
51CP140Clean Text Kilobytes3910-0.18-0.4087.67%
52CP492Word Count5,1071,286-0.18-0.4085.95%
53CP487Keywords in pages top 5 most used phrases111-0.18-0.4782.67%
54CP381Keywords in Meta Descriptions932-0.18-0.4583.53%
55CP134aSearch Terms in Body Tag21413-0.18-0.4290.09%
56CP471Keywords in Span Tags42610-0.18-0.4191.29%
57CP128Keywords in Alt Attributes2157-0.18-0.3991.21%
58ENT008Entities in Meta Description Tag1083-0.18-0.4563.28%
59DD010DomDetailer Majestic Referring Subnets73,43914,716-0.18-0.2226.64%
60DD013DomDetailer Moz DA8741-0.18-0.3923.45%
61DD006DomDetailer Majestic IPs289,38155,924-0.17-0.2226.90%
62DD002DomDetailer Facebook Shares11,122,821458,475-0.17-0.2425.69%
63DD008DomDetailer Majestic Referring Domains1,844,588366,067-0.17-0.2327.16%
64CP470aSearch Terms in the HTML Tag25310-0.17-0.4184.22%
65DD015DomDetailer Moz PA7241-0.17-0.4224.48%
66CP152Keywords in H1 Tags131-0.17-0.4278.62%
67CP137Keywords in the Canonical URL51-0.17-0.4382.76%
68LSI006LSI Words in H2 Tags6413-0.17-0.4291.55%
69CP124aKeywords in Absolute URLs9,07259-0.17-0.3987.41%
70ENT002Entities in H1 Tags62-0.17-0.4261.21%
71DD012DomDetailer Majestic TF6627-0.17-0.3725.86%
72CP109Search Result Summary Text Matches213-0.17-0.4578.02%
73DD005DomDetailer Majestic CF6435-0.17-0.4026.29%
74CP019Ahrefs Has DoFollow Backlinks11-0.17-0.4614.74%
75CP425Number of HTTPS Links581150-0.17-0.3984.57%
76CP108Search Result Summary Length412160-0.17-0.4184.91%
77CP038Ahrefs Has NoFollow Backlinks11-0.17-0.4515.34%
78CP486Keywords in pages top 3 most used phrases61-0.17-0.4581.90%
79CP468Number of Sentences24249-0.17-0.3881.03%
80GD003Google Density Variations7,75262-0.17-0.3971.03%
81CP070Ahrefs Word Count3,5601,277-0.17-0.3911.29%
82CPXR018Keywords in Nav Tags6,45431-0.17-0.4189.83%
83CP431Number of Internal Links583138-0.16-0.3884.31%
84CP113Search Result URL Matches211-0.16-0.4179.22%
85CP045Ahrefs Has Text Backlinks11-0.16-0.4415.34%
86CP476TF/IDF11-0.16-0.4681.81%
87CPXR24Number of P Tags19735-0.16-0.3982.24%
88CP435Number of Links590155-0.16-0.3883.71%
89DD007DomDetailer Majestic Links99,759,6469,649,261-0.16-0.1826.64%
90CP017Ahrefs Has Backlinks11-0.16-0.4415.43%
91CP410Number of DoFollow Links566149-0.16-0.3883.79%
92CP383Keywords in Meta OpenGraph Description922-0.16-0.4178.62%
93LSI003LSI Words in Meta Description Tag3499-0.16-0.3989.14%
94CP151Leading Keywords in H1 Tags10-0.16-0.4378.19%
95ENT005Entities in H4 Tags132-0.16-0.4263.71%
96ENT013Has Entities in H2 Tags11-0.16-0.4660.43%
97CP385Keywords in Meta OpenGraph Content111-0.16-0.4375.26%
98CPX003Keywords in Main Tags15,49079-0.16-0.4485.00%
99DD016DomDetailer Moz Rank94-0.16-0.3822.84%
100CP484Leading Keywords in Title Tag10-0.16-0.4576.03%
101CP159aSearch Terms in H1-H6 Tags111-0.16-0.4087.50%
102ENT010Title Tag Has Entities11-0.16-0.4355.86%
103LSI005LSI Words in H1 Tags174-0.16-0.3786.29%
104CP169Keywords in H3 Tags822-0.16-0.3890.09%
105CP048Ahrefs Image Backlinks119,7501,966-0.16-0.3114.74%
106CP358Inline Javascript Kilobytes15735-0.15-0.3581.29%
107CPXR003Number of Heading Tags5320-0.15-0.3781.90%
108QS004Number of Questions In Headings61-0.15-0.3940.69%
109CP032Ahrefs Has Image Backlinks10-0.15-0.4214.05%
110CP072Search Result Document Matches131-0.15-0.4066.12%
111CP426Number of Images9928-0.15-0.3483.88%
112CP057Ahrefs Page Size81,04928,523-0.15-0.3210.52%
113CP125Keywords making whole A Tags41-0.15-0.3884.57%
114CP467Keywords in Section Tags89015-0.15-0.4283.79%
115DD014DomDetailer Moz Links113,944,22717,453,944-0.15-0.2226.29%
116CP472Keywords making whole Span Tags71-0.15-0.3984.48%
117CP374Keywords in the last 100 words2024-0.15-0.3878.79%
118QS003Number of Questions274-0.15-0.3478.36%
119CP164Leading Keywords in H2 Tags81-0.15-0.3885.69%
120CP376Keywords making whole LI Tags61-0.15-0.3881.21%
121ENT012Has Entities in H1 Tags11-0.15-0.4255.78%
122LSI007LSI Words in H3 Tags7313-0.15-0.3591.12%
123CP391Number of Absolute URLs434136-0.15-0.3580.43%
124CP427Number of Images with Alt Text7518-0.14-0.3584.14%
125GD004Google Density Exact Matches353-0.14-0.3664.91%
126CP483aSearch Terms in the Title Tag20-0.14-0.4080.34%
127CPX013Keywords in Footer Tags3,80912-0.14-0.3684.83%
128CP050Ahrefs Internal Links38491-0.14-0.3016.38%
129CPJLDxSANumber Of JSON-LD Types1219-0.14-0.3873.53%
130CP005Ahrefs Domain Rating7836-0.14-0.3712.59%
131CP158Keywords making whole H1-H6 Tags20-0.14-0.4177.59%
132CP477Keywords in Title Attributes2638-0.14-0.3686.47%
133CPXR005Number of H2 Tags156-0.14-0.3583.36%
134ENT014Has Entities in H3 Tags10-0.14-0.4258.10%
135CP177Keywords in H4-H6 Tags431-0.14-0.3682.07%
136CP154Keywords making whole H1, H2, and H3 Tags20-0.14-0.4075.78%
137CP353Head Size Kilobytes10440-0.14-0.3472.33%
138CP473Keywords in Strong Tags1132-0.14-0.3777.93%
139CP007Ahrefs External Links7418-0.14-0.2916.03%
140CP126aSearch Terms in A Tags642-0.14-0.3487.24%
141ENT011Meta Description Tag Has Entities11-0.13-0.4054.48%
142CP173Keywords in H4 Tags351-0.13-0.3683.19%
143CP049Ahrefs Images7019-0.13-0.3210.52%
144DD011DomDetailer Majestic Referring .gov Links20,976,5833,824,512-0.13-0.2324.05%
145CP357Inline CSS Kilobytes9127-0.13-0.3576.29%
146CPXR006Number of H3 Tags307-0.13-0.3281.72%
147CP413Number of External Links7217-0.13-0.3172.84%
148CP130Keywords in Article Tags1,49020-0.13-0.3873.19%
149CP485Keywords in pages most used phrase20-0.13-0.3975.00%
150CP052Ahrefs Linked Root Domains206-0.13-0.3216.55%
151CP377Load Time Milliseconds35,9552,365-0.13-0.2569.48%
152CP056Ahrefs Pages51-0.13-0.2915.69%
153QS012Headings Has Question10-0.13-0.4072.16%
154CP168Leading Keywords in H3 Tags131-0.13-0.3583.53%
155CP451Number of US Phone Numbers1427-0.13-0.3077.16%
156CP213Has FavIcon11-0.13-0.3869.22%
157ENT015Has Entities in H4 Tags10-0.13-0.3953.88%
158CP099Search Result Number of Dirs in Path42-0.13-0.3359.83%
159CP409Number of DoFollow External Links6915-0.13-0.2969.31%
160CP380Meta Description Length3,814129-0.13-0.3271.21%
161CP440Number of NoFollow Links316-0.13-0.3080.43%
162CP319Has Schema Markup11-0.12-0.3968.71%
163CP481bWord Count in Meta Description Tag60121-0.12-0.3272.07%
164CPXR007Number of H4 Tags314-0.12-0.3275.43%
165CP428Number of Images without Alt Text3810-0.12-0.2973.88%
166QS006Number of Questions In H2 Tags30-0.12-0.3476.03%
167CP469aSearch Terms in Sentences251-0.12-0.3186.03%
168CP356Keywords in I Tags802-0.12-0.3577.84%
169CP022Ahrefs Has External Links11-0.12-0.3814.31%
170CP424Number of HREF Lang Tags142-0.12-0.3473.28%
171CP139Keywords in Class Attributes6,49119-0.12-0.3378.71%
172CP460Percentage of DoFollow Internal Links9779-0.12-0.3172.33%
173CP150aSearch Terms in H1 Tags10-0.12-0.3478.28%
174CP432Number of JavaScript Includes2914-0.12-0.3169.05%
175CPJLD011Has JSON-LD Answer10-0.12-0.3855.09%
176CPJLD217Has JSON-LD Question10-0.12-0.3854.91%
177CP149Keywords making whole H1 Tags10-0.12-0.3674.40%
178LSI008LSI Words in H4 Tags456-0.12-0.3284.22%
179CP479iiTitle Has Sentiment Words10-0.12-0.3568.28%
180QS007Number of Questions In H3 Tags30-0.12-0.3373.88%
181CP176Leading Keywords in H4-H6 Tags80-0.12-0.3576.12%
182PAGE001Is Home Page10-0.12-0.333.28%
183CP445Number of Social Pages153-0.12-0.2772.16%
184CPJLD007Has JSON-LD AggregateRating10-0.12-0.3863.02%
185CP439Number of NoFollow Externa Links263-0.12-0.3178.97%
186CP479Title Has Sales Words10-0.12-0.3569.05%
187DD001DomDetailer Facebook Comments18617-0.12-0.2919.22%
188CP034Ahrefs Has Internal Links11-0.12-0.3714.74%
189CP355Keywords in ID Attributes7162-0.12-0.3282.84%
190BYTES01Bytes To First P Tag76,30352,048-0.12-0.3454.14%
191CP444Number of Social Accounts61-0.12-0.3069.31%
192CPXR011Keywords in Button Tags4101-0.12-0.3581.29%
193CP347Has US Phone Number10-0.12-0.3662.50%
194CP224Has Meta Charset11-0.12-0.3561.55%
195CP430Number of Instagram Pages121-0.12-0.2772.33%
196CP418Number of Forms182-0.12-0.3166.47%
197CP203Has Apple Touch Icon11-0.12-0.3765.95%
198CP150a2Search Terms in H2 Tags40-0.12-0.3284.57%
199CP414Number of Facebook Accounts31-0.11-0.3170.17%
200CP077Search Result Domain Matches60-0.11-0.3450.60%


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