Top SEO Factors




Top SEO Factors - 2021-12-21      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 - 2021-12-21 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1ENT000aNumber of Entities Used7029-0.29-0.6165.94%
2CPZZZ50Number of Top 50 Shared Factors Used4227-0.29-0.4725.98%
3CPZZZ100Number of Top 100 Shared Factors Used7654-0.28-0.4726.26%
4CPZZZNumber of Factors Used217133-0.25-0.5191.34%
5CPZZZ200Number of Top 200 Shared Factors Used13495-0.25-0.4724.83%
6CP470Keywords in the HTML Tag1,038188-0.24-0.5192.96%
7CPX010Keywords in Div Tags713127-0.24-0.5091.72%
8CP134Keywords in Body Tag980167-0.23-0.5193.72%
9LSI002LSI Words in Sentences3,406570-0.22-0.4796.96%
10CP475Term Frequency75-0.22-0.4792.39%
11CP127bKeywords in Unique A Tag HREFs18136-0.22-0.4689.63%
12CP129Keywords in A Tags13628-0.22-0.4592.77%
13CP127Keywords in A Tag HREFs26653-0.22-0.4691.72%
14ENT003Entities in H2 Tags416-0.21-0.5065.27%
15CP161Keywords in H1-H6 Tags328-0.21-0.4790.68%
16CP054Ahrefs NoFollow Backlinks24,085345-0.21-0.2512.84%
17CP157Keywords in H1, H2, and H3 Tags307-0.21-0.4691.25%
18CP465Keywords in P Tags17835-0.21-0.4691.15%
19CP063Ahrefs Referring IP Addresses1,55058-0.21-0.2812.94%
20CP061Ahrefs Referring Class C Addresses94643-0.21-0.2912.94%
21CP153Keywords in H1 and H2 Tags184-0.21-0.4789.72%
22CP375Keywords in LI Tags7319-0.20-0.4691.44%
23CP062Ahrefs Referring Domains1,81460-0.20-0.2812.84%
24CP469Keywords in Sentences11025-0.20-0.4489.91%
25ENT009Entities in Title Tag62-0.20-0.4962.04%
26CKWD001Clean Keyword Density in the HTML Tag114-0.20-0.4682.97%
27CP067Ahrefs Text Backlinks104,9952,553-0.20-0.2113.13%
28CP999Search Result Path Matches52-0.20-0.4877.35%
29CP064Ahrefs Referring Pages105,8962,708-0.20-0.2113.13%
30CP002Ahrefs Backlinks105,8962,708-0.20-0.2113.13%
31ENT004Entities in H3 Tags366-0.20-0.4664.99%
32CP059Ahrefs Rank4113-0.19-0.3911.99%
33CP134aSearch Terms in Body Tag21214-0.19-0.4391.15%
34GD001Google Variation Density103-0.19-0.4580.88%
35CP160Leading Keywords in H1-H6 Tags92-0.19-0.4486.39%
36CP470aSearch Terms in the HTML Tag25910-0.19-0.4485.73%
37CP113Search Result URL Matches52-0.19-0.4679.92%
38CP135Body Tag Size Kilobytes25284-0.19-0.4585.54%
39CP097Search Result Link Text Matches31-0.19-0.4676.69%
40CP071Search Result Display URL Matches31-0.19-0.4676.69%
41CP488Keywords in pages top 10 most used phrases52-0.19-0.4985.25%
42CP156Leading Keywords in H1, H2, and H3 Tags61-0.19-0.4586.01%
43CP140Clean Text Kilobytes3111-0.19-0.4083.82%
44CP487Keywords in pages top 5 most used phrases31-0.19-0.4884.87%
45CP165Keywords in H2 Tags163-0.19-0.4392.20%
46CP492bUnabridged Word Count5,2111,756-0.19-0.4086.49%
47CP465cKeywords in script Tags45339-0.18-0.4391.63%
48CP137Keywords in the Canonical URL52-0.18-0.4782.87%
49CP458Page Size Kilobytes336148-0.18-0.4583.73%
50DD010DomDetailer Majestic Referring Subnets73,43914,570-0.18-0.2632.25%
51DD008DomDetailer Majestic Referring Domains1,844,588271,067-0.18-0.2532.35%
52DD006DomDetailer Majestic IPs289,38148,955-0.18-0.2532.25%
53CPXX888Number of HTML Tags3,267862-0.18-0.4381.73%
54CP108Search Result Summary Length357158-0.18-0.4282.97%
55LSI001LSI Words in Title Tag145-0.18-0.4390.39%
56CP124aKeywords in Absolute URLs44252-0.18-0.4389.91%
57DD005DomDetailer Majestic CF6637-0.18-0.4431.87%
58CP492Word Count4,2611,367-0.18-0.3984.68%
59DD015DomDetailer Moz PA7243-0.18-0.4330.54%
60CP004Ahrefs Dofollow Backlinks80,8962,270-0.18-0.2312.56%
61LSI006LSI Words in H2 Tags9015-0.18-0.4293.43%
62CP481Keywords in Title Tag32-0.18-0.4375.36%
63CP146Keywords in the First 100 Words197-0.18-0.4378.78%
64CP381Keywords in Meta Descriptions62-0.17-0.4580.59%
65DD013DomDetailer Moz DA8744-0.17-0.4130.16%
66ENT018Entities in Sentences62495-0.17-0.3697.43%
67CP471Keywords in Span Tags409-0.17-0.3888.39%
68ENT002Entities in H1 Tags62-0.17-0.4155.76%
69CP128Keywords in Alt Attributes568-0.17-0.3987.44%
70CP486Keywords in pages top 3 most used phrases21-0.17-0.4682.68%
71CP468Number of Sentences20255-0.17-0.3882.68%
72CP072Search Result Document Matches51-0.17-0.4368.89%
73ENT008Entities in Meta Description Tag113-0.17-0.4456.23%
74CP425Number of HTTPS Links516144-0.17-0.3780.78%
75CP109Search Result Summary Text Matches63-0.17-0.4679.64%
76CP410Number of DoFollow Links505144-0.17-0.3778.97%
77CP484Leading Keywords in Title Tag10-0.17-0.4673.83%
78LSI003LSI Words in Meta Description Tag289-0.17-0.4187.25%
79CP431Number of Internal Links502131-0.17-0.3780.40%
80CP435Number of Links517149-0.17-0.3779.45%
81CP159aSearch Terms in H1-H6 Tags121-0.17-0.3988.01%
82GD004Google Density Exact Matches283-0.16-0.3868.98%
83CPXR003Number of Heading Tags7021-0.16-0.3983.92%
84DD002DomDetailer Facebook Shares11,122,821-416,860-0.16-0.2732.45%
85GD003Google Density Variations19941-0.16-0.3875.93%
86CPXR24Number of P Tags12937-0.16-0.3885.06%
87CPXR018Keywords in Nav Tags23020-0.16-0.3986.39%
88DD012DomDetailer Majestic TF6629-0.16-0.3831.11%
89DD007DomDetailer Majestic Links173,742,59818,176,273-0.16-0.1732.16%
90CP169Keywords in H3 Tags143-0.16-0.3888.01%
91CP152Keywords in H1 Tags31-0.16-0.3876.50%
92CPX003Keywords in Main Tags50557-0.16-0.4483.25%
93ENT001Entities in HTML Tag3,831316-0.16-0.3494.29%
94DD016DomDetailer Moz Rank95-0.16-0.3930.35%
95CP164Leading Keywords in H2 Tags31-0.16-0.4184.68%
96CP151Leading Keywords in H1 Tags10-0.16-0.4275.93%
97LSI007LSI Words in H3 Tags17515-0.16-0.3890.58%
98LSI005LSI Words in H1 Tags134-0.15-0.3586.87%
99QS004Number of Questions In Headings71-0.15-0.3835.97%
100CP038Ahrefs Has NoFollow Backlinks11-0.15-0.4112.46%
101DD014DomDetailer Moz Links113,944,22713,004,841-0.15-0.2531.97%
102CP476TF/IDF11-0.15-0.4379.35%
103CP125Keywords making whole A Tags51-0.15-0.3784.30%
104CP383Keywords in Meta OpenGraph Description121-0.15-0.4078.12%
105CP358Inline Javascript Kilobytes12833-0.15-0.3581.64%
106QS003Number of Questions155-0.15-0.3578.21%
107CP483aSearch Terms in the Title Tag10-0.15-0.4081.35%
108CP426Number of Images14027-0.15-0.3679.83%
109CPXR005Number of H2 Tags176-0.15-0.3683.63%
110CPX013Keywords in Footer Tags536-0.15-0.3681.45%
111CP374Keywords in the last 100 words114-0.15-0.3678.97%
112ENT005Entities in H4 Tags132-0.15-0.4060.13%
113ENT013Has Entities in H2 Tags11-0.15-0.4457.75%
114CP376Keywords making whole LI Tags61-0.15-0.3880.11%
115CP427Number of Images with Alt Text11717-0.14-0.3680.97%
116CPJLDxSANumber Of JSON-LD Types11210-0.14-0.3878.97%
117CP385Keywords in Meta OpenGraph Content31-0.14-0.3976.02%
118CP477Keywords in Title Attributes868-0.14-0.3683.06%
119CP472Keywords making whole Span Tags71-0.14-0.3582.40%
120ENT014Has Entities in H3 Tags11-0.14-0.4253.95%
121CP391Number of Absolute URLs489145-0.14-0.3582.02%
122CP150aSearch Terms in H1 Tags10-0.14-0.3680.88%
123ENT010Title Tag Has Entities11-0.14-0.3950.33%
124CPXR006Number of H3 Tags557-0.14-0.3482.02%
125CP469aSearch Terms in Sentences432-0.14-0.3687.73%
126CP467Keywords in Section Tags9217-0.14-0.3881.83%
127CP413Number of External Links8119-0.14-0.3175.45%
128DD011DomDetailer Majestic Referring .gov Links19,406,4872,365,238-0.14-0.2129.97%
129ENT012Has Entities in H1 Tags11-0.13-0.3951.76%
130CP168Leading Keywords in H3 Tags30-0.13-0.3679.35%
131CP019Ahrefs Has DoFollow Backlinks10-0.13-0.3812.27%
132QS012Headings Has Question10-0.13-0.4070.50%
133CP177Keywords in H4-H6 Tags81-0.13-0.3680.49%
134CP485Keywords in pages most used phrase10-0.13-0.4074.31%
135CP158Keywords making whole H1-H6 Tags30-0.13-0.3774.98%
136CP126aSearch Terms in A Tags872-0.13-0.3387.54%
137CP473Keywords in Strong Tags172-0.13-0.3380.69%
138CP154Keywords making whole H1, H2, and H3 Tags10-0.13-0.3873.36%
139CP045Ahrefs Has Text Backlinks11-0.13-0.3612.37%
140CP460Percentage of DoFollow Internal Links9475-0.13-0.3366.22%
141CP355Keywords in ID Attributes201-0.13-0.3683.16%
142CP017Ahrefs Has Backlinks11-0.13-0.3612.27%
143CP139Keywords in Class Attributes1806-0.13-0.3273.74%
144CP005Ahrefs Domain Rating7531-0.13-0.3210.47%
145ENT011Meta Description Tag Has Entities11-0.13-0.3950.14%
146CP150a2Search Terms in H2 Tags60-0.13-0.3587.06%
147QS006Number of Questions In H2 Tags30-0.13-0.3276.40%
148CP409Number of DoFollow External Links6816-0.13-0.2973.64%
149PAGE009Number of Prices14731-0.13-0.3020.84%
150CP173Keywords in H4 Tags81-0.12-0.3582.49%
151CP048Ahrefs Image Backlinks15,977455-0.12-0.2212.27%
152CP130Keywords in Article Tags15721-0.12-0.3779.45%
153CP099Search Result Number of Dirs in Path42-0.12-0.3462.32%
154CP070Ahrefs Word Count3,2191,046-0.12-0.2910.75%
155QS007Number of Questions In H3 Tags31-0.12-0.3576.12%
156CPXR011Keywords in Button Tags141-0.12-0.3576.59%
157CP050Ahrefs Internal Links27677-0.12-0.2312.84%
158CP032Ahrefs Has Image Backlinks10-0.12-0.3412.08%
159CP353Head Size Kilobytes11940-0.12-0.3176.21%
160CP357Inline CSS Kilobytes9127-0.12-0.3476.78%
161CP356Keywords in I Tags293-0.12-0.3476.40%
162CP465zKeywords in Form Tags40-0.12-0.3573.17%
163LSI008LSI Words in H4 Tags606-0.12-0.3084.78%
164CP149Keywords making whole H1 Tags10-0.12-0.3771.74%
165CPJLD011Has JSON-LD Answer10-0.12-0.3757.56%
166CP451Number of US Phone Numbers1307-0.12-0.2672.12%
167CP377Load Time Milliseconds45,8552,367-0.12-0.2468.79%
168CPJLD217Has JSON-LD Question10-0.12-0.3657.47%
169CP347Has US Phone Number10-0.12-0.3856.52%
170CP380Meta Description Length288120-0.12-0.3069.84%
171CP133Keywords in B Tags101-0.12-0.3270.98%
172CP481bWord Count in Meta Description Tag4419-0.12-0.3170.31%
173CPXR015Keywords in Figure Tags1878-0.12-0.3475.93%
174CP381aSearch Terms in Meta Descriptions10-0.12-0.3484.78%
175CPJLDxKANumber Of JSON-LD Entity References81-0.12-0.3760.70%
176CP114Search Result Uses HTTPS11-0.12-0.3561.56%
177CP428Number of Images without Alt Text7010-0.12-0.3071.55%
178CP213Has FavIcon11-0.12-0.3866.03%
179CP148Flesch Kincaid Reading Grade84-0.12-0.2831.11%
180CP104bSearch Result Publish Date2,014,085,5931,846,818,184-0.12-0.3044.15%
181CPXR007Number of H4 Tags254-0.12-0.2975.26%
182PAGE010Number of Schema Products131-0.12-0.369.90%
183CP052Ahrefs Linked Root Domains165-0.11-0.2712.65%
184CP491Keywords in Value Attributes482-0.11-0.2972.22%
185PAGE001Is Home Page10-0.11-0.338.09%
186CP439Number of NoFollow Externa Links303-0.11-0.3175.55%
187DD001DomDetailer Facebook Comments42830-0.11-0.2926.55%
188CP313Has Privacy Policy11-0.11-0.3673.64%
189CP057Ahrefs Page Size59,72122,863-0.11-0.2510.66%
190CP479Title Has Sales Words10-0.11-0.3469.74%
191CP204Has Canonical URL11-0.11-0.3764.89%
192CP445Number of Social Pages153-0.11-0.2672.03%
193CP131Average Words Per Sentence24041-0.11-0.2669.46%
194CP479iiTitle Has Sentiment Words10-0.11-0.3369.65%
195ENT015Has Entities in H4 Tags10-0.11-0.3548.91%
196CPX005Keywords in Aside Tags746-0.11-0.3274.79%
197CP418Number of Forms182-0.11-0.2866.32%
198CP440Number of NoFollow Links446-0.11-0.2876.50%
199CP007Ahrefs External Links5416-0.11-0.2113.04%
200CP142Keywords in Em Tags50-0.11-0.3273.64%


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