Top SEO Factors




Top SEO Factors - 2021-12-14      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 - 2021-12-14 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1ENT000aNumber of Entities Used7028-0.30-0.6166.48%
2CPZZZ50Number of Top 50 Shared Factors Used4227-0.29-0.4820.66%
3CPZZZ100Number of Top 100 Shared Factors Used7653-0.28-0.5021.03%
4CPZZZNumber of Factors Used204129-0.27-0.5292.11%
5CPZZZ200Number of Top 200 Shared Factors Used13494-0.25-0.4920.28%
6CP470Keywords in the HTML Tag31,765198-0.24-0.5294.27%
7CP134Keywords in Body Tag27,155175-0.24-0.5295.02%
8CPX010Keywords in Div Tags16,292132-0.23-0.5093.71%
9CP475Term Frequency115-0.23-0.4893.33%
10LSI002LSI Words in Sentences3,406545-0.22-0.4897.75%
11CP129Keywords in A Tags3,72432-0.22-0.4694.18%
12CP161Keywords in H1-H6 Tags1508-0.22-0.4792.21%
13ENT009Entities in Title Tag62-0.22-0.5162.63%
14CP127bKeywords in Unique A Tag HREFs1,70237-0.22-0.4789.30%
15CP157Keywords in H1, H2, and H3 Tags1036-0.22-0.4791.92%
16CP127Keywords in A Tag HREFs2,43454-0.21-0.4692.68%
17CP054Ahrefs NoFollow Backlinks128,2581,587-0.21-0.2513.71%
18ENT003Entities in H2 Tags416-0.21-0.5065.26%
19CP465Keywords in P Tags1,57934-0.21-0.4991.74%
20CP153Keywords in H1 and H2 Tags424-0.21-0.4790.14%
21CP375Keywords in LI Tags81019-0.21-0.4893.90%
22CP469Keywords in Sentences10923-0.21-0.4690.33%
23CP097Search Result Link Text Matches71-0.20-0.4879.15%
24CP071Search Result Display URL Matches71-0.20-0.4879.15%
25CKWD001Clean Keyword Density in the HTML Tag114-0.20-0.4682.72%
26CP061Ahrefs Referring Class C Addresses1,22454-0.20-0.3013.71%
27CP062Ahrefs Referring Domains2,67682-0.20-0.2913.71%
28CP063Ahrefs Referring IP Addresses2,18977-0.20-0.2913.71%
29CP135Body Tag Size Kilobytes30786-0.20-0.4688.73%
30CP465cKeywords in script Tags5,41746-0.20-0.4691.74%
31CP160Leading Keywords in H1-H6 Tags312-0.19-0.4487.70%
32CP067Ahrefs Text Backlinks260,0544,551-0.19-0.2214.18%
33CP064Ahrefs Referring Pages260,3464,725-0.19-0.2214.08%
34CP002Ahrefs Backlinks260,3464,725-0.19-0.2214.08%
35CP488Keywords in pages top 10 most used phrases222-0.19-0.4885.73%
36GD001Google Variation Density3343-0.19-0.4581.69%
37ENT004Entities in H3 Tags365-0.19-0.4765.54%
38CP156Leading Keywords in H1, H2, and H3 Tags231-0.19-0.4587.61%
39CP481Keywords in Title Tag82-0.19-0.4578.69%
40CP999Search Result Path Matches141-0.19-0.4576.53%
41CP165Keywords in H2 Tags343-0.19-0.4491.17%
42CP458Page Size Kilobytes385151-0.19-0.4684.13%
43LSI001LSI Words in Title Tag145-0.19-0.4391.55%
44CP140Clean Text Kilobytes3110-0.18-0.4084.98%
45CP492bUnabridged Word Count5,2111,658-0.18-0.4086.29%
46ENT018Entities in Sentences62489-0.18-0.3998.12%
47CP470aSearch Terms in the HTML Tag25911-0.18-0.4383.29%
48CP059Ahrefs Rank4113-0.18-0.3812.21%
49CP134aSearch Terms in Body Tag21415-0.18-0.4190.52%
50CP137Keywords in the Canonical URL42-0.18-0.4583.38%
51CPXX888Number of HTML Tags3,267880-0.18-0.4483.10%
52CP492Word Count4,2611,300-0.18-0.4084.88%
53DD010DomDetailer Majestic Referring Subnets73,43913,797-0.18-0.2332.21%
54CP487Keywords in pages top 5 most used phrases111-0.18-0.4784.98%
55DD008DomDetailer Majestic Referring Domains1,844,588310,272-0.18-0.2332.21%
56DD006DomDetailer Majestic IPs289,38150,042-0.18-0.2232.21%
57DD005DomDetailer Majestic CF6635-0.18-0.4231.83%
58CP381Keywords in Meta Descriptions222-0.18-0.4581.60%
59CP113Search Result URL Matches212-0.18-0.4378.22%
60CP146Keywords in the First 100 Words2057-0.18-0.4379.72%
61LSI006LSI Words in H2 Tags9015-0.18-0.4393.52%
62ENT002Entities in H1 Tags62-0.18-0.4357.18%
63DD015DomDetailer Moz PA7241-0.18-0.4129.67%
64CP128Keywords in Alt Attributes2158-0.18-0.4090.52%
65CP124aKeywords in Absolute URLs9,07257-0.18-0.4190.61%
66CP471Keywords in Span Tags37310-0.18-0.4190.70%
67DD013DomDetailer Moz DA8740-0.17-0.3928.92%
68ENT008Entities in Meta Description Tag113-0.17-0.4557.65%
69CP108Search Result Summary Length357155-0.17-0.4283.00%
70ENT001Entities in HTML Tag3,831305-0.17-0.3795.77%
71CP152Keywords in H1 Tags81-0.17-0.4078.03%
72CP468Number of Sentences20252-0.17-0.3982.54%
73CP004Ahrefs Dofollow Backlinks132,1723,089-0.17-0.2513.52%
74CP486Keywords in pages top 3 most used phrases61-0.17-0.4583.38%
75CP425Number of HTTPS Links516147-0.17-0.3880.94%
76CP109Search Result Summary Text Matches213-0.17-0.4577.18%
77CPXR018Keywords in Nav Tags3,69826-0.17-0.4189.01%
78CP431Number of Internal Links502135-0.17-0.3781.78%
79DD012DomDetailer Majestic TF6627-0.17-0.3731.08%
80GD003Google Density Variations5,87854-0.16-0.3876.62%
81CP410Number of DoFollow Links505147-0.16-0.3780.28%
82CP484Leading Keywords in Title Tag10-0.16-0.4674.55%
83CP435Number of Links517152-0.16-0.3780.56%
84DD002DomDetailer Facebook Shares11,122,821625,628-0.16-0.2331.74%
85DD007DomDetailer Majestic Links173,742,59815,168,952-0.16-0.1731.92%
86LSI003LSI Words in Meta Description Tag289-0.16-0.3988.54%
87CP476TF/IDF11-0.16-0.4582.16%
88CPXR24Number of P Tags12936-0.16-0.3985.16%
89CP038Ahrefs Has NoFollow Backlinks11-0.16-0.4213.24%
90CPXR003Number of Heading Tags7021-0.16-0.3883.94%
91CP159aSearch Terms in H1-H6 Tags121-0.16-0.3987.79%
92CP169Keywords in H3 Tags622-0.16-0.3890.14%
93CP151Leading Keywords in H1 Tags10-0.16-0.4277.09%
94QS004Number of Questions In Headings71-0.16-0.3940.94%
95CP072Search Result Document Matches131-0.16-0.4068.45%
96LSI005LSI Words in H1 Tags144-0.16-0.3586.85%
97CP125Keywords making whole A Tags41-0.16-0.4084.23%
98CP164Leading Keywords in H2 Tags81-0.15-0.4084.98%
99CP358Inline Javascript Kilobytes15335-0.15-0.3681.60%
100CPX003Keywords in Main Tags15,49072-0.15-0.4385.35%
101DD014DomDetailer Moz Links113,944,22714,709,814-0.15-0.2330.80%
102CP383Keywords in Meta OpenGraph Description261-0.15-0.4178.97%
103DD016DomDetailer Moz Rank94-0.15-0.3828.54%
104ENT005Entities in H4 Tags132-0.15-0.4161.69%
105GD004Google Density Exact Matches353-0.15-0.3669.48%
106QS003Number of Questions154-0.15-0.3579.44%
107ENT013Has Entities in H2 Tags11-0.15-0.4457.65%
108CP374Keywords in the last 100 words1934-0.15-0.3779.91%
109CP426Number of Images14028-0.15-0.3582.72%
110CP385Keywords in Meta OpenGraph Content111-0.15-0.4176.24%
111LSI007LSI Words in H3 Tags17514-0.15-0.3692.11%
112ENT010Title Tag Has Entities11-0.15-0.4152.30%
113CPXR005Number of H2 Tags166-0.15-0.3683.94%
114CP472Keywords making whole Span Tags71-0.15-0.3882.63%
115ENT012Has Entities in H1 Tags11-0.15-0.4253.33%
116CP427Number of Images with Alt Text11718-0.15-0.3683.19%
117CP376Keywords making whole LI Tags61-0.15-0.3880.94%
118CP483aSearch Terms in the Title Tag20-0.15-0.4080.38%
119CPJLDxSANumber Of JSON-LD Types1219-0.14-0.3977.37%
120CPX013Keywords in Footer Tags1,3098-0.14-0.3684.98%
121CP391Number of Absolute URLs489141-0.14-0.3581.13%
122CP477Keywords in Title Attributes2258-0.14-0.3884.04%
123CP467Keywords in Section Tags32015-0.14-0.4083.76%
124CP019Ahrefs Has DoFollow Backlinks10-0.14-0.3912.96%
125CP158Keywords making whole H1-H6 Tags30-0.14-0.3975.87%
126CP177Keywords in H4-H6 Tags351-0.14-0.3682.07%
127ENT014Has Entities in H3 Tags11-0.14-0.4155.40%
128CP045Ahrefs Has Text Backlinks11-0.14-0.3713.43%
129CP154Keywords making whole H1, H2, and H3 Tags10-0.14-0.3974.37%
130CPXR006Number of H3 Tags557-0.13-0.3381.88%
131CP017Ahrefs Has Backlinks11-0.13-0.3713.43%
132CP473Keywords in Strong Tags1132-0.13-0.3579.91%
133CP168Leading Keywords in H3 Tags131-0.13-0.3683.19%
134CP126aSearch Terms in A Tags872-0.13-0.3487.61%
135CP460Percentage of DoFollow Internal Links9776-0.13-0.3372.77%
136CP485Keywords in pages most used phrase10-0.13-0.4075.59%
137QS012Headings Has Question10-0.13-0.4072.49%
138ENT011Meta Description Tag Has Entities11-0.13-0.4050.33%
139CP377Load Time Milliseconds45,8552,398-0.13-0.2668.83%
140CP050Ahrefs Internal Links38481-0.13-0.2513.71%
141PAGE009Number of Prices14732-0.13-0.3016.71%
142CP469aSearch Terms in Sentences432-0.13-0.3486.95%
143CP353Head Size Kilobytes11940-0.13-0.3373.33%
144CP173Keywords in H4 Tags271-0.13-0.3583.38%
145DD011DomDetailer Majestic Referring .gov Links19,414,1403,062,499-0.13-0.2128.54%
146CP099Search Result Number of Dirs in Path42-0.13-0.3459.81%
147CP355Keywords in ID Attributes7162-0.13-0.3681.22%
148CP413Number of External Links6617-0.13-0.2971.83%
149CP139Keywords in Class Attributes5,49811-0.13-0.3277.09%
150CP356Keywords in I Tags473-0.13-0.3580.19%
151QS006Number of Questions In H2 Tags30-0.13-0.3477.00%
152CP070Ahrefs Word Count3,5601,122-0.12-0.3010.70%
153CP451Number of US Phone Numbers1307-0.12-0.2874.55%
154CP357Inline CSS Kilobytes9127-0.12-0.3376.06%
155CP048Ahrefs Image Backlinks119,7501,556-0.12-0.2313.05%
156CP032Ahrefs Has Image Backlinks10-0.12-0.3512.30%
157CPXR007Number of H4 Tags314-0.12-0.3176.15%
158CP213Has FavIcon11-0.12-0.3869.48%
159QS007Number of Questions In H3 Tags30-0.12-0.3477.75%
160CP130Keywords in Article Tags1,49020-0.12-0.3578.22%
161CP347Has US Phone Number10-0.12-0.3759.15%
162CP150aSearch Terms in H1 Tags10-0.12-0.3380.09%
163CP409Number of DoFollow External Links5215-0.12-0.2769.01%
164CP005Ahrefs Domain Rating7632-0.12-0.3110.42%
165CP428Number of Images without Alt Text7010-0.12-0.2972.30%
166CP007Ahrefs External Links5617-0.12-0.2313.71%
167CP465zKeywords in Form Tags90-0.12-0.3474.37%
168LSI008LSI Words in H4 Tags606-0.12-0.3185.82%
169CP380Meta Description Length288121-0.12-0.3069.95%
170CP440Number of NoFollow Links446-0.12-0.3077.00%
171CP149Keywords making whole H1 Tags10-0.12-0.3772.86%
172ENT015Has Entities in H4 Tags10-0.12-0.3750.33%
173CP319Has Schema Markup11-0.12-0.3767.98%
174CP481bWord Count in Meta Description Tag4420-0.12-0.3071.17%
175BYTES01Bytes To First P Tag84,45052,386-0.12-0.3457.28%
176CP176Leading Keywords in H4-H6 Tags80-0.12-0.3477.28%
177CPJLD011Has JSON-LD Answer10-0.12-0.3655.77%
178CPJLD217Has JSON-LD Question10-0.12-0.3655.77%
179CP150a2Search Terms in H2 Tags60-0.12-0.3286.85%
180CP052Ahrefs Linked Root Domains166-0.12-0.2713.43%
181CP148Flesch Kincaid Reading Grade84-0.12-0.2933.99%
182CP424Number of HREF Lang Tags211-0.12-0.3271.17%
183CPXR011Keywords in Button Tags2071-0.12-0.3580.09%
184PAGE001Is Home Page10-0.12-0.337.42%
185CP439Number of NoFollow Externa Links253-0.12-0.3175.59%
186CP479Title Has Sales Words10-0.12-0.3466.76%
187CP418Number of Forms182-0.12-0.2967.61%
188CP313Has Privacy Policy11-0.12-0.3671.83%
189CPJLD007Has JSON-LD AggregateRating10-0.12-0.3761.41%
190CP445Number of Social Pages153-0.11-0.2672.58%
191CP479iiTitle Has Sentiment Words10-0.11-0.3466.48%
192CP131Average Words Per Sentence24041-0.11-0.2768.08%
193CP204Has Canonical URL11-0.11-0.3765.82%
194CP056Ahrefs Pages51-0.11-0.2613.90%
195CP133Keywords in B Tags492-0.11-0.3274.08%
196CP432Number of JavaScript Includes3014-0.11-0.2969.20%
197CP481aWord Count in Title Tag128-0.11-0.2954.65%
198CP208Has Copyright11-0.11-0.3666.01%
199PAGE010Number of Schema Products20-0.11-0.375.82%
200CPX005Keywords in Aside Tags1,7938-0.11-0.3376.15%


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