Top SEO Factors




Top SEO Factors - 2021-12-22      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 - 2021-12-22 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1ENT000aNumber of Entities Used7028-0.29-0.6166.57%
2CPZZZ50Number of Top 50 Shared Factors Used4227-0.29-0.4725.71%
3CPZZZ100Number of Top 100 Shared Factors Used7654-0.27-0.4725.99%
4CPZZZNumber of Factors Used217134-0.25-0.5091.43%
5CPZZZ200Number of Top 200 Shared Factors Used13495-0.24-0.4724.58%
6CP470Keywords in the HTML Tag1,038189-0.24-0.5192.94%
7CPX010Keywords in Div Tags713127-0.24-0.5091.62%
8CP134Keywords in Body Tag980167-0.23-0.5193.69%
9LSI002LSI Words in Sentences3,406573-0.22-0.4796.89%
10CP475Term Frequency75-0.22-0.4792.47%
11CP127bKeywords in Unique A Tag HREFs18136-0.22-0.4589.55%
12ENT003Entities in H2 Tags416-0.21-0.5065.82%
13CP129Keywords in A Tags13628-0.21-0.4592.84%
14CP161Keywords in H1-H6 Tags328-0.21-0.4790.68%
15CP127Keywords in A Tag HREFs26653-0.21-0.4591.62%
16CP054Ahrefs NoFollow Backlinks24,085339-0.21-0.2512.71%
17CP157Keywords in H1, H2, and H3 Tags307-0.21-0.4691.05%
18CP465Keywords in P Tags17836-0.21-0.4691.15%
19CP153Keywords in H1 and H2 Tags184-0.21-0.4789.45%
20CP063Ahrefs Referring IP Addresses1,55057-0.21-0.2812.81%
21CP061Ahrefs Referring Class C Addresses94643-0.21-0.2912.81%
22CP375Keywords in LI Tags7319-0.20-0.4691.43%
23CP062Ahrefs Referring Domains1,81459-0.20-0.2812.71%
24CP469Keywords in Sentences12526-0.20-0.4489.83%
25ENT009Entities in Title Tag62-0.20-0.4962.81%
26CKWD001Clean Keyword Density in the HTML Tag114-0.20-0.4682.77%
27CP067Ahrefs Text Backlinks104,9952,388-0.20-0.2112.99%
28CP999Search Result Path Matches52-0.20-0.4877.31%
29ENT004Entities in H3 Tags366-0.20-0.4665.63%
30CP002Ahrefs Backlinks105,8962,544-0.20-0.2112.99%
31CP064Ahrefs Referring Pages105,8962,544-0.20-0.2112.99%
32CP059Ahrefs Rank4113-0.19-0.3911.77%
33CP134aSearch Terms in Body Tag21214-0.19-0.4391.15%
34GD001Google Variation Density103-0.19-0.4580.70%
35CP135Body Tag Size Kilobytes25284-0.19-0.4585.40%
36CP160Leading Keywords in H1-H6 Tags92-0.19-0.4486.06%
37CP113Search Result URL Matches52-0.19-0.4679.94%
38CP470aSearch Terms in the HTML Tag25910-0.19-0.4485.69%
39CP488Keywords in pages top 10 most used phrases52-0.19-0.4985.22%
40CP097Search Result Link Text Matches31-0.19-0.4776.46%
41CP071Search Result Display URL Matches31-0.19-0.4776.46%
42CP140Clean Text Kilobytes3111-0.19-0.4083.80%
43CP156Leading Keywords in H1, H2, and H3 Tags62-0.19-0.4585.69%
44CP165Keywords in H2 Tags163-0.19-0.4492.00%
45CP492bUnabridged Word Count5,2111,753-0.19-0.4086.44%
46CP487Keywords in pages top 5 most used phrases31-0.19-0.4884.93%
47CP465cKeywords in script Tags45339-0.19-0.4391.71%
48CP458Page Size Kilobytes336147-0.18-0.4683.71%
49CP108Search Result Summary Length357159-0.18-0.4383.05%
50CPXX888Number of HTML Tags3,267856-0.18-0.4381.83%
51CP137Keywords in the Canonical URL52-0.18-0.4782.67%
52LSI001LSI Words in Title Tag145-0.18-0.4390.49%
53CP124aKeywords in Absolute URLs44252-0.18-0.4389.83%
54CP492Word Count4,2611,366-0.18-0.3984.56%
55DD010DomDetailer Majestic Referring Subnets73,43914,363-0.18-0.2532.39%
56DD008DomDetailer Majestic Referring Domains1,844,588275,732-0.18-0.2432.49%
57DD006DomDetailer Majestic IPs289,38148,781-0.18-0.2432.39%
58DD015DomDetailer Moz PA7243-0.18-0.4230.60%
59LSI006LSI Words in H2 Tags9016-0.18-0.4393.31%
60DD005DomDetailer Majestic CF6637-0.18-0.4332.02%
61CP481Keywords in Title Tag32-0.18-0.4375.24%
62CP004Ahrefs Dofollow Backlinks80,8962,108-0.18-0.2312.43%
63CP146Keywords in the First 100 Words197-0.17-0.4378.91%
64CP381Keywords in Meta Descriptions62-0.17-0.4580.51%
65CP471Keywords in Span Tags409-0.17-0.3888.42%
66ENT002Entities in H1 Tags62-0.17-0.4156.12%
67CP128Keywords in Alt Attributes568-0.17-0.3987.57%
68CP468Number of Sentences20255-0.17-0.3882.49%
69ENT018Entities in Sentences62496-0.17-0.3697.46%
70CP486Keywords in pages top 3 most used phrases21-0.17-0.4682.67%
71CP109Search Result Summary Text Matches63-0.17-0.4679.94%
72DD013DomDetailer Moz DA8743-0.17-0.4030.32%
73CP072Search Result Document Matches51-0.17-0.4369.11%
74CP425Number of HTTPS Links516143-0.17-0.3880.51%
75ENT008Entities in Meta Description Tag113-0.17-0.4456.78%
76LSI003LSI Words in Meta Description Tag289-0.17-0.4186.91%
77CP484Leading Keywords in Title Tag10-0.17-0.4673.63%
78CP410Number of DoFollow Links505142-0.17-0.3778.72%
79CP431Number of Internal Links502129-0.17-0.3780.04%
80CP159aSearch Terms in H1-H6 Tags121-0.17-0.3987.85%
81CP435Number of Links517148-0.17-0.3779.19%
82CPXR003Number of Heading Tags7021-0.16-0.4084.09%
83CPXR24Number of P Tags12937-0.16-0.3884.93%
84GD004Google Density Exact Matches283-0.16-0.3869.02%
85DD002DomDetailer Facebook Shares11,122,821-1,060,801-0.16-0.2632.49%
86DD012DomDetailer Majestic TF6629-0.16-0.3831.26%
87GD003Google Density Variations19942-0.16-0.3875.80%
88CP169Keywords in H3 Tags143-0.16-0.3888.04%
89CPXR018Keywords in Nav Tags23021-0.16-0.3986.35%
90CPX003Keywords in Main Tags50557-0.16-0.4483.43%
91DD007DomDetailer Majestic Links173,742,59818,156,564-0.16-0.1732.30%
92CP152Keywords in H1 Tags31-0.16-0.3876.65%
93CP164Leading Keywords in H2 Tags31-0.16-0.4184.56%
94ENT001Entities in HTML Tag3,831313-0.16-0.3394.26%
95CP151Leading Keywords in H1 Tags10-0.16-0.4275.89%
96LSI007LSI Words in H3 Tags17515-0.16-0.3890.77%
97CP038Ahrefs Has NoFollow Backlinks11-0.15-0.4112.34%
98QS004Number of Questions In Headings71-0.15-0.3835.88%
99DD016DomDetailer Moz Rank95-0.15-0.3930.51%
100LSI005LSI Words in H1 Tags134-0.15-0.3487.01%
101CP476TF/IDF11-0.15-0.4379.28%
102DD014DomDetailer Moz Links113,944,22713,272,168-0.15-0.2432.11%
103QS003Number of Questions155-0.15-0.3678.06%
104CP125Keywords making whole A Tags51-0.15-0.3784.37%
105CP358Inline Javascript Kilobytes12832-0.15-0.3581.73%
106CP383Keywords in Meta OpenGraph Description122-0.15-0.4078.25%
107CPXR005Number of H2 Tags176-0.15-0.3783.90%
108CP426Number of Images14027-0.15-0.3779.76%
109CP483aSearch Terms in the Title Tag10-0.15-0.4080.98%
110CP374Keywords in the last 100 words114-0.15-0.3678.91%
111CPX013Keywords in Footer Tags536-0.15-0.3781.45%
112CP376Keywords making whole LI Tags61-0.15-0.3880.41%
113ENT013Has Entities in H2 Tags11-0.14-0.4458.19%
114ENT005Entities in H4 Tags132-0.14-0.4060.73%
115CP427Number of Images with Alt Text11717-0.14-0.3680.98%
116CPJLDxSANumber Of JSON-LD Types11210-0.14-0.3879.19%
117CP472Keywords making whole Span Tags71-0.14-0.3582.39%
118CP391Number of Absolute URLs489144-0.14-0.3582.20%
119ENT014Has Entities in H3 Tags11-0.14-0.4254.61%
120CP385Keywords in Meta OpenGraph Content31-0.14-0.3975.99%
121CP477Keywords in Title Attributes868-0.14-0.3683.15%
122CP150aSearch Terms in H1 Tags10-0.14-0.3680.79%
123CPXR006Number of H3 Tags557-0.14-0.3482.11%
124CP469aSearch Terms in Sentences432-0.14-0.3687.76%
125ENT010Title Tag Has Entities11-0.14-0.3950.56%
126CP413Number of External Links8119-0.14-0.3175.52%
127CP168Leading Keywords in H3 Tags31-0.14-0.3679.38%
128QS012Headings Has Question10-0.13-0.4070.43%
129CP467Keywords in Section Tags9217-0.13-0.3881.92%
130ENT012Has Entities in H1 Tags11-0.13-0.3952.07%
131DD011DomDetailer Majestic Referring .gov Links19,406,4872,419,859-0.13-0.2030.13%
132CP485Keywords in pages most used phrase10-0.13-0.4074.11%
133CP177Keywords in H4-H6 Tags91-0.13-0.3680.51%
134CP019Ahrefs Has DoFollow Backlinks10-0.13-0.3812.15%
135CP126aSearch Terms in A Tags872-0.13-0.3487.57%
136CP158Keywords making whole H1-H6 Tags30-0.13-0.3774.86%
137CP045Ahrefs Has Text Backlinks11-0.13-0.3612.24%
138CP473Keywords in Strong Tags172-0.13-0.3480.60%
139CP355Keywords in ID Attributes201-0.13-0.3683.24%
140CP017Ahrefs Has Backlinks11-0.13-0.3612.15%
141CP154Keywords making whole H1, H2, and H3 Tags10-0.13-0.3873.26%
142CP005Ahrefs Domain Rating7532-0.13-0.3210.45%
143CP460Percentage of DoFollow Internal Links9476-0.13-0.3366.29%
144CP150a2Search Terms in H2 Tags60-0.13-0.3686.91%
145QS006Number of Questions In H2 Tags31-0.13-0.3376.37%
146ENT011Meta Description Tag Has Entities11-0.13-0.3950.19%
147CP139Keywords in Class Attributes1807-0.13-0.3273.63%
148CP409Number of DoFollow External Links6815-0.13-0.2973.54%
149QS007Number of Questions In H3 Tags31-0.12-0.3576.37%
150CP173Keywords in H4 Tags81-0.12-0.3582.39%
151CP353Head Size Kilobytes11940-0.12-0.3276.08%
152PAGE009Number of Prices14731-0.12-0.3020.62%
153CP357Inline CSS Kilobytes9127-0.12-0.3476.74%
154CP070Ahrefs Word Count3,2191,046-0.12-0.2910.64%
155CP130Keywords in Article Tags15722-0.12-0.3779.47%
156CP099Search Result Number of Dirs in Path42-0.12-0.3362.24%
157CP050Ahrefs Internal Links27676-0.12-0.2312.81%
158CPXR011Keywords in Button Tags141-0.12-0.3676.84%
159CP048Ahrefs Image Backlinks15,977454-0.12-0.2112.24%
160CP032Ahrefs Has Image Backlinks10-0.12-0.3411.96%
161CPJLD011Has JSON-LD Answer10-0.12-0.3757.34%
162CP356Keywords in I Tags293-0.12-0.3476.37%
163CP465zKeywords in Form Tags40-0.12-0.3572.79%
164LSI008LSI Words in H4 Tags606-0.12-0.3184.56%
165CPJLD217Has JSON-LD Question10-0.12-0.3757.25%
166CP149Keywords making whole H1 Tags10-0.12-0.3771.66%
167CPXR015Keywords in Figure Tags1878-0.12-0.3576.18%
168CP380Meta Description Length288120-0.12-0.3169.77%
169CP451Number of US Phone Numbers1307-0.12-0.2672.13%
170CP481bWord Count in Meta Description Tag4419-0.12-0.3170.15%
171CP377Load Time Milliseconds45,8552,374-0.12-0.2468.74%
172CP347Has US Phone Number10-0.12-0.3756.50%
173PAGE001Is Home Page10-0.12-0.348.00%
174CP133Keywords in B Tags101-0.12-0.3271.00%
175CPXR007Number of H4 Tags254-0.12-0.2975.14%
176CP428Number of Images without Alt Text7010-0.12-0.3171.37%
177CP381aSearch Terms in Meta Descriptions10-0.12-0.3484.18%
178CPJLDxKANumber Of JSON-LD Entity References81-0.12-0.3660.83%
179CP052Ahrefs Linked Root Domains165-0.11-0.2712.62%
180CP313Has Privacy Policy11-0.11-0.3673.63%
181CP114Search Result Uses HTTPS11-0.11-0.3561.49%
182CP491Keywords in Value Attributes482-0.11-0.2972.03%
183CP104bSearch Result Publish Date2,014,085,5931,852,634,792-0.11-0.3044.35%
184CP439Number of NoFollow Externa Links303-0.11-0.3175.42%
185CP213Has FavIcon11-0.11-0.3765.63%
186CP148Flesch Kincaid Reading Grade84-0.11-0.2730.89%
187PAGE010Number of Schema Products131-0.11-0.369.98%
188CP057Ahrefs Page Size59,72122,863-0.11-0.2510.55%
189CP479Title Has Sales Words10-0.11-0.3469.96%
190CP479iiTitle Has Sentiment Words10-0.11-0.3469.87%
191CP204Has Canonical URL11-0.11-0.3764.50%
192CP142Keywords in Em Tags50-0.11-0.3273.45%
193CP176Leading Keywords in H4-H6 Tags40-0.11-0.3376.74%
194CP418Number of Forms182-0.11-0.2866.20%
195CP445Number of Social Pages153-0.11-0.2672.03%
196CP131Average Words Per Sentence24040-0.11-0.2669.40%
197CPX005Keywords in Aside Tags746-0.11-0.3274.67%
198ENT015Has Entities in H4 Tags10-0.11-0.3549.44%
199CP440Number of NoFollow Links446-0.11-0.2876.55%
200CP007Ahrefs External Links5416-0.11-0.2012.99%


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