Top SEO Factors




Top SEO Factors - 2021-12-18      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 - 2021-12-18 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1ENT000aNumber of Entities Used7029-0.30-0.6266.79%
2CPZZZ50Number of Top 50 Shared Factors Used4228-0.29-0.4625.31%
3CPZZZ100Number of Top 100 Shared Factors Used7654-0.27-0.4725.59%
4CPZZZNumber of Factors Used217133-0.26-0.5191.63%
5CPZZZ200Number of Top 200 Shared Factors Used13496-0.24-0.4724.18%
6CP470Keywords in the HTML Tag1,038187-0.24-0.5293.13%
7CPX010Keywords in Div Tags713125-0.24-0.5192.00%
8CP134Keywords in Body Tag980165-0.24-0.5293.89%
9LSI002LSI Words in Sentences3,406570-0.22-0.4897.46%
10CP475Term Frequency75-0.22-0.4792.47%
11CP129Keywords in A Tags13628-0.22-0.4593.23%
12CP127bKeywords in Unique A Tag HREFs18136-0.22-0.4689.93%
13CP161Keywords in H1-H6 Tags328-0.21-0.4690.78%
14CP127Keywords in A Tag HREFs26652-0.21-0.4691.82%
15CP465Keywords in P Tags17834-0.21-0.4891.35%
16CP054Ahrefs NoFollow Backlinks127,818964-0.21-0.2513.26%
17ENT003Entities in H2 Tags416-0.21-0.4966.04%
18CP157Keywords in H1, H2, and H3 Tags307-0.21-0.4591.06%
19CP153Keywords in H1 and H2 Tags184-0.21-0.4689.56%
20CP061Ahrefs Referring Class C Addresses1,20546-0.21-0.3013.36%
21CP063Ahrefs Referring IP Addresses2,16163-0.21-0.2913.36%
22CP375Keywords in LI Tags7319-0.21-0.4892.10%
23CP469Keywords in Sentences11025-0.21-0.4590.22%
24ENT009Entities in Title Tag62-0.21-0.4863.03%
25CP062Ahrefs Referring Domains2,64067-0.20-0.2913.26%
26CP097Search Result Link Text Matches31-0.20-0.4877.52%
27CP071Search Result Display URL Matches31-0.20-0.4877.52%
28CKWD001Clean Keyword Density in the HTML Tag114-0.20-0.4683.35%
29CP064Ahrefs Referring Pages260,3463,439-0.20-0.2213.55%
30CP002Ahrefs Backlinks260,3463,439-0.20-0.2213.55%
31CP067Ahrefs Text Backlinks260,0543,270-0.20-0.2213.64%
32CP999Search Result Path Matches52-0.20-0.4777.89%
33CP059Ahrefs Rank4113-0.19-0.3912.42%
34ENT004Entities in H3 Tags366-0.19-0.4666.04%
35CP135Body Tag Size Kilobytes25285-0.19-0.4585.79%
36CP160Leading Keywords in H1-H6 Tags92-0.19-0.4487.11%
37CP465cKeywords in script Tags45339-0.19-0.4491.25%
38GD001Google Variation Density102-0.19-0.4481.56%
39CP488Keywords in pages top 10 most used phrases52-0.19-0.4885.89%
40CP156Leading Keywords in H1, H2, and H3 Tags61-0.19-0.4486.64%
41CP140Clean Text Kilobytes3111-0.19-0.4184.10%
42CP113Search Result URL Matches52-0.19-0.4579.49%
43CP492bUnabridged Word Count5,2111,762-0.19-0.4186.27%
44CP134aSearch Terms in Body Tag21215-0.19-0.4190.97%
45CP137Keywords in the Canonical URL52-0.19-0.4683.63%
46CP165Keywords in H2 Tags163-0.18-0.4391.44%
47CP481Keywords in Title Tag32-0.18-0.4476.11%
48CP458Page Size Kilobytes385150-0.18-0.4583.25%
49CP487Keywords in pages top 5 most used phrases31-0.18-0.4885.61%
50CPXX888Number of HTML Tags3,267871-0.18-0.4481.09%
51LSI001LSI Words in Title Tag145-0.18-0.4390.69%
52CP470aSearch Terms in the HTML Tag25911-0.18-0.4384.48%
53CP492Word Count4,2611,372-0.18-0.4084.48%
54CP124aKeywords in Absolute URLs44252-0.18-0.4389.93%
55CP108Search Result Summary Length357158-0.18-0.4282.69%
56CP381Keywords in Meta Descriptions62-0.18-0.4580.71%
57DD005DomDetailer Majestic CF6637-0.18-0.4331.14%
58ENT018Entities in Sentences62495-0.18-0.3897.74%
59DD008DomDetailer Majestic Referring Domains1,844,588278,740-0.18-0.2431.51%
60CP128Keywords in Alt Attributes568-0.18-0.4088.52%
61DD010DomDetailer Majestic Referring Subnets73,43914,867-0.18-0.2431.61%
62CP146Keywords in the First 100 Words197-0.18-0.4379.30%
63DD006DomDetailer Majestic IPs289,38150,146-0.18-0.2431.61%
64CP004Ahrefs Dofollow Backlinks132,1722,380-0.18-0.2413.08%
65DD015DomDetailer Moz PA7243-0.18-0.4229.73%
66LSI006LSI Words in H2 Tags9015-0.17-0.4193.13%
67DD013DomDetailer Moz DA8744-0.17-0.4129.35%
68CP109Search Result Summary Text Matches63-0.17-0.4678.83%
69CP471Keywords in Span Tags409-0.17-0.3988.62%
70CP468Number of Sentences20256-0.17-0.3882.31%
71ENT008Entities in Meta Description Tag113-0.17-0.4457.48%
72CP425Number of HTTPS Links516145-0.17-0.3880.62%
73CP486Keywords in pages top 3 most used phrases21-0.17-0.4683.82%
74ENT002Entities in H1 Tags62-0.17-0.4056.91%
75CP410Number of DoFollow Links505144-0.17-0.3879.02%
76CP431Number of Internal Links502131-0.17-0.3880.53%
77LSI003LSI Words in Meta Description Tag289-0.17-0.4088.33%
78CP435Number of Links517150-0.17-0.3879.49%
79ENT001Entities in HTML Tag3,831322-0.16-0.3594.54%
80CP072Search Result Document Matches51-0.16-0.4268.96%
81CP484Leading Keywords in Title Tag10-0.16-0.4675.16%
82DD012DomDetailer Majestic TF6629-0.16-0.3830.29%
83CP152Keywords in H1 Tags31-0.16-0.3976.76%
84CPXR018Keywords in Nav Tags23020-0.16-0.4087.21%
85DD002DomDetailer Facebook Shares11,122,821-63,773-0.16-0.2631.61%
86CPXR003Number of Heading Tags7021-0.16-0.3984.01%
87GD003Google Density Variations19940-0.16-0.3876.76%
88CPXR24Number of P Tags12937-0.16-0.3884.48%
89DD007DomDetailer Majestic Links173,742,59818,504,255-0.16-0.1731.33%
90CP169Keywords in H3 Tags143-0.16-0.3888.71%
91CP159aSearch Terms in H1-H6 Tags121-0.16-0.3787.49%
92CPX003Keywords in Main Tags50557-0.16-0.4483.54%
93GD004Google Density Exact Matches283-0.16-0.3768.20%
94CP151Leading Keywords in H1 Tags10-0.16-0.4276.11%
95CP164Leading Keywords in H2 Tags31-0.16-0.4084.85%
96QS004Number of Questions In Headings71-0.16-0.3935.28%
97CP038Ahrefs Has NoFollow Backlinks11-0.16-0.4212.89%
98CP476TF/IDF11-0.15-0.4380.15%
99CP383Keywords in Meta OpenGraph Description121-0.15-0.4178.17%
100DD016DomDetailer Moz Rank95-0.15-0.3929.54%
101CP125Keywords making whole A Tags51-0.15-0.3984.29%
102LSI005LSI Words in H1 Tags134-0.15-0.3486.83%
103LSI007LSI Words in H3 Tags17515-0.15-0.3691.16%
104DD014DomDetailer Moz Links113,944,22713,308,750-0.15-0.2430.86%
105CP358Inline Javascript Kilobytes15333-0.15-0.3580.90%
106CP426Number of Images14027-0.15-0.3679.96%
107QS003Number of Questions155-0.15-0.3577.52%
108ENT005Entities in H4 Tags132-0.15-0.4161.52%
109CPXR005Number of H2 Tags176-0.15-0.3782.78%
110CP385Keywords in Meta OpenGraph Content31-0.15-0.4076.20%
111CP376Keywords making whole LI Tags61-0.15-0.3980.71%
112CP374Keywords in the last 100 words124-0.15-0.3679.49%
113CPJLDxSANumber Of JSON-LD Types12110-0.15-0.3978.55%
114ENT013Has Entities in H2 Tags11-0.14-0.4357.95%
115CPX013Keywords in Footer Tags536-0.14-0.3682.41%
116ENT010Title Tag Has Entities11-0.14-0.4051.27%
117CP427Number of Images with Alt Text11718-0.14-0.3781.28%
118CP483aSearch Terms in the Title Tag10-0.14-0.3981.19%
119CP477Keywords in Title Attributes868-0.14-0.3683.54%
120CP472Keywords making whole Span Tags71-0.14-0.3682.13%
121CP391Number of Absolute URLs489147-0.14-0.3581.09%
122ENT014Has Entities in H3 Tags11-0.14-0.4255.03%
123ENT012Has Entities in H1 Tags11-0.14-0.4052.78%
124CP467Keywords in Section Tags9216-0.14-0.3982.13%
125CP413Number of External Links8119-0.14-0.3273.66%
126CPXR006Number of H3 Tags558-0.14-0.3481.28%
127CP177Keywords in H4-H6 Tags81-0.14-0.3681.09%
128CP158Keywords making whole H1-H6 Tags30-0.13-0.3874.51%
129CP019Ahrefs Has DoFollow Backlinks10-0.13-0.3812.70%
130DD011DomDetailer Majestic Referring .gov Links19,406,4872,461,314-0.13-0.1929.16%
131CP485Keywords in pages most used phrase10-0.13-0.3974.60%
132CP168Leading Keywords in H3 Tags30-0.13-0.3580.71%
133CP154Keywords making whole H1, H2, and H3 Tags10-0.13-0.3873.19%
134CP469aSearch Terms in Sentences432-0.13-0.3587.86%
135CP460Percentage of DoFollow Internal Links9476-0.13-0.3368.30%
136QS012Headings Has Question10-0.13-0.3970.08%
137CP150aSearch Terms in H1 Tags10-0.13-0.3480.53%
138ENT011Meta Description Tag Has Entities11-0.13-0.4050.24%
139CP473Keywords in Strong Tags172-0.13-0.3480.81%
140CP045Ahrefs Has Text Backlinks11-0.13-0.3612.98%
141CP355Keywords in ID Attributes201-0.13-0.3682.78%
142CP126aSearch Terms in A Tags872-0.13-0.3387.86%
143CP017Ahrefs Has Backlinks11-0.13-0.3612.89%
144CP409Number of DoFollow External Links6816-0.13-0.2971.97%
145QS006Number of Questions In H2 Tags30-0.13-0.3375.45%
146CP139Keywords in Class Attributes1807-0.13-0.3273.85%
147CP099Search Result Number of Dirs in Path42-0.13-0.3562.28%
148CP173Keywords in H4 Tags81-0.13-0.3583.25%
149PAGE009Number of Prices14731-0.13-0.3020.41%
150CP070Ahrefs Word Count3,2191,074-0.13-0.3110.63%
151CP130Keywords in Article Tags15721-0.13-0.3778.83%
152CP050Ahrefs Internal Links27676-0.12-0.2413.17%
153CP005Ahrefs Domain Rating7631-0.12-0.3110.35%
154CP048Ahrefs Image Backlinks119,5161,020-0.12-0.2212.70%
155CP356Keywords in I Tags293-0.12-0.3577.70%
156CP353Head Size Kilobytes11941-0.12-0.3274.22%
157QS007Number of Questions In H3 Tags31-0.12-0.3476.11%
158CP451Number of US Phone Numbers1307-0.12-0.2772.91%
159CP357Inline CSS Kilobytes9128-0.12-0.3375.92%
160CP213Has FavIcon11-0.12-0.3966.51%
161CP149Keywords making whole H1 Tags10-0.12-0.3771.68%
162CP347Has US Phone Number10-0.12-0.3858.42%
163CP150a2Search Terms in H2 Tags60-0.12-0.3486.83%
164CP377Load Time Milliseconds45,8552,373-0.12-0.2569.24%
165CP032Ahrefs Has Image Backlinks10-0.12-0.3412.42%
166LSI008LSI Words in H4 Tags606-0.12-0.3085.61%
167CP465zKeywords in Form Tags41-0.12-0.3573.94%
168CPJLD011Has JSON-LD Answer10-0.12-0.3757.48%
169CPXR007Number of H4 Tags254-0.12-0.3076.01%
170CPJLD217Has JSON-LD Question10-0.12-0.3657.48%
171CP380Meta Description Length288121-0.12-0.3069.71%
172CP481bWord Count in Meta Description Tag4420-0.12-0.3069.99%
173CPXR011Keywords in Button Tags141-0.12-0.3577.80%
174CP428Number of Images without Alt Text7010-0.12-0.3070.08%
175CPXR015Keywords in Figure Tags1878-0.12-0.3575.63%
176CP052Ahrefs Linked Root Domains165-0.12-0.2712.79%
177CP007Ahrefs External Links5616-0.12-0.2213.17%
178CP148Flesch Kincaid Reading Grade84-0.12-0.2830.76%
179CP319Has Schema Markup11-0.12-0.3766.70%
180CP445Number of Social Pages153-0.12-0.2671.68%
181PAGE001Is Home Page10-0.12-0.337.81%
182CP439Number of NoFollow Externa Links303-0.12-0.3176.01%
183CP313Has Privacy Policy11-0.12-0.3673.00%
184CPJLDxKANumber Of JSON-LD Entity References80-0.11-0.3659.83%
185CP133Keywords in B Tags101-0.11-0.3171.78%
186CP418Number of Forms182-0.11-0.2966.23%
187CP479Title Has Sales Words10-0.11-0.3469.14%
188PAGE010Number of Schema Products131-0.11-0.369.60%
189CPX005Keywords in Aside Tags746-0.11-0.3375.07%
190CP204Has Canonical URL11-0.11-0.3764.25%
191CP440Number of NoFollow Links447-0.11-0.2876.01%
192CP381aSearch Terms in Meta Descriptions10-0.11-0.3384.95%
193CP114Search Result Uses HTTPS11-0.11-0.3560.87%
194CP104bSearch Result Publish Date2,014,085,5931,842,974,154-0.11-0.3041.86%
195DD001DomDetailer Facebook Comments42826-0.11-0.2925.96%
196CP415Number of FaceBook Pages92-0.11-0.2771.31%
197ENT015Has Entities in H4 Tags10-0.11-0.3550.14%
198CP176Leading Keywords in H4-H6 Tags40-0.11-0.3377.23%
199CP479iiTitle Has Sentiment Words10-0.11-0.3468.86%
200CP057Ahrefs Page Size59,72123,279-0.11-0.2410.63%


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