Top SEO Factors




Top SEO Factors - 2021-12-08      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 - 2021-12-08 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1ENT000aNumber of Entities Used7328-0.29-0.6165.77%
2CPZZZ50Number of Top 50 Shared Factors Used4227-0.28-0.4718.50%
3CPZZZ100Number of Top 100 Shared Factors Used7652-0.27-0.4818.86%
4CPZZZNumber of Factors Used204127-0.27-0.5291.69%
5CPZZZ200Number of Top 200 Shared Factors Used13493-0.24-0.4718.14%
6CP470Keywords in the HTML Tag36,841211-0.24-0.5195.00%
7CP134Keywords in Body Tag29,333183-0.23-0.5295.35%
8CPX010Keywords in Div Tags21,401139-0.23-0.5093.92%
9CP475Term Frequency115-0.22-0.4893.48%
10ENT009Entities in Title Tag62-0.22-0.5162.11%
11LSI002LSI Words in Sentences2,697527-0.22-0.4897.05%
12CP129Keywords in A Tags5,08234-0.22-0.4694.82%
13CP161Keywords in H1-H6 Tags1508-0.21-0.4792.94%
14CP157Keywords in H1, H2, and H3 Tags1036-0.21-0.4792.94%
15CP465Keywords in P Tags2,18634-0.21-0.4992.14%
16CP097Search Result Link Text Matches71-0.21-0.4979.27%
17CP071Search Result Display URL Matches71-0.21-0.4979.27%
18ENT003Entities in H2 Tags415-0.21-0.4964.88%
19CP127bKeywords in Unique A Tag HREFs1,70236-0.21-0.4587.04%
20CP153Keywords in H1 and H2 Tags424-0.20-0.4690.80%
21CP375Keywords in LI Tags97119-0.20-0.4894.37%
22CP127Keywords in A Tag HREFs2,43452-0.20-0.4593.21%
23CP469Keywords in Sentences10222-0.20-0.4689.72%
24CP054Ahrefs NoFollow Backlinks128,2582,736-0.20-0.2614.66%
25CP135Body Tag Size Kilobytes30785-0.20-0.4789.54%
26CKWD001Clean Keyword Density in the HTML Tag2044-0.20-0.4582.13%
27CP465cKeywords in script Tags5,79848-0.20-0.4692.49%
28ENT004Entities in H3 Tags365-0.19-0.4864.79%
29CP061Ahrefs Referring Class C Addresses1,26065-0.19-0.3115.01%
30CP481Keywords in Title Tag82-0.19-0.4678.73%
31CP062Ahrefs Referring Domains2,775107-0.19-0.3015.01%
32CP160Leading Keywords in H1-H6 Tags312-0.19-0.4389.72%
33CP063Ahrefs Referring IP Addresses2,25297-0.19-0.3015.01%
34CP458Page Size Kilobytes385149-0.19-0.4684.45%
35CP488Keywords in pages top 10 most used phrases222-0.19-0.4785.52%
36LSI001LSI Words in Title Tag145-0.19-0.4390.35%
37CP165Keywords in H2 Tags503-0.18-0.4491.15%
38GD001Google Variation Density3393-0.18-0.4479.54%
39CP156Leading Keywords in H1, H2, and H3 Tags231-0.18-0.4389.19%
40CP067Ahrefs Text Backlinks260,0547,638-0.18-0.2315.28%
41CP064Ahrefs Referring Pages260,3467,759-0.18-0.2215.28%
42CP002Ahrefs Backlinks260,3467,759-0.18-0.2215.28%
43CP999Search Result Path Matches141-0.18-0.4476.68%
44CP492bUnabridged Word Count5,0391,635-0.18-0.4086.77%
45CP140Clean Text Kilobytes2910-0.18-0.4086.06%
46CPXX888Number of HTML Tags2,582873-0.18-0.4383.74%
47ENT018Entities in Sentences62483-0.18-0.3997.41%
48CP059Ahrefs Rank3513-0.18-0.3812.87%
49CP492Word Count3,6961,278-0.18-0.4085.08%
50CP137Keywords in the Canonical URL51-0.18-0.4582.84%
51DD010DomDetailer Majestic Referring Subnets73,43913,668-0.18-0.2030.03%
52DD008DomDetailer Majestic Referring Domains1,844,588313,349-0.18-0.2130.12%
53DD006DomDetailer Majestic IPs289,38150,082-0.18-0.2029.94%
54CP381Keywords in Meta Descriptions932-0.18-0.4481.77%
55DD015DomDetailer Moz PA7240-0.18-0.4127.70%
56DD005DomDetailer Majestic CF6634-0.17-0.4129.67%
57CP134aSearch Terms in Body Tag21414-0.17-0.4090.08%
58CP471Keywords in Span Tags4269-0.17-0.4190.71%
59CP487Keywords in pages top 5 most used phrases111-0.17-0.4685.70%
60CP128Keywords in Alt Attributes2158-0.17-0.4090.35%
61ENT008Entities in Meta Description Tag1083-0.17-0.4557.55%
62DD013DomDetailer Moz DA8740-0.17-0.3827.08%
63CP124aKeywords in Absolute URLs9,07258-0.17-0.4088.83%
64LSI006LSI Words in H2 Tags7514-0.17-0.4293.03%
65CP470aSearch Terms in the HTML Tag25311-0.17-0.4182.66%
66ENT002Entities in H1 Tags62-0.17-0.4256.75%
67CP108Search Result Summary Length407156-0.17-0.4283.11%
68CP146Keywords in the First 100 Words2077-0.17-0.4279.45%
69ENT001Entities in HTML Tag2,056293-0.17-0.3696.34%
70CP152Keywords in H1 Tags81-0.17-0.4076.94%
71CP425Number of HTTPS Links516148-0.17-0.3882.48%
72CP109Search Result Summary Text Matches213-0.17-0.4577.48%
73CP113Search Result URL Matches211-0.17-0.4177.93%
74CP468Number of Sentences20250-0.17-0.3881.32%
75CPXR018Keywords in Nav Tags6,45429-0.17-0.4189.63%
76DD002DomDetailer Facebook Shares11,122,821674,067-0.16-0.2329.67%
77CP431Number of Internal Links502135-0.16-0.3783.02%
78CP004Ahrefs Dofollow Backlinks132,1724,716-0.16-0.2514.39%
79DD012DomDetailer Majestic TF6627-0.16-0.3629.04%
80CP435Number of Links517152-0.16-0.3781.95%
81CP410Number of DoFollow Links505147-0.16-0.3781.59%
82GD003Google Density Variations5,91758-0.16-0.3873.91%
83CP486Keywords in pages top 3 most used phrases61-0.16-0.4483.82%
84DD007DomDetailer Majestic Links162,172,83913,339,948-0.16-0.1830.03%
85CP484Leading Keywords in Title Tag10-0.16-0.4474.62%
86CP169Keywords in H3 Tags622-0.16-0.3990.62%
87LSI003LSI Words in Meta Description Tag3499-0.16-0.3987.94%
88CP476TF/IDF11-0.16-0.4481.23%
89CPXR24Number of P Tags12935-0.16-0.3884.54%
90CPXR003Number of Heading Tags6621-0.16-0.3784.00%
91CP383Keywords in Meta OpenGraph Description922-0.15-0.4078.82%
92ENT005Entities in H4 Tags132-0.15-0.4160.86%
93CP151Leading Keywords in H1 Tags10-0.15-0.4177.39%
94CP358Inline Javascript Kilobytes15334-0.15-0.3581.59%
95CPX003Keywords in Main Tags15,49075-0.15-0.4285.34%
96QS004Number of Questions In Headings71-0.15-0.3842.45%
97CP385Keywords in Meta OpenGraph Content111-0.15-0.4175.69%
98CP038Ahrefs Has NoFollow Backlinks11-0.15-0.3914.30%
99CP159aSearch Terms in H1-H6 Tags121-0.15-0.3987.94%
100DD016DomDetailer Moz Rank94-0.15-0.3726.54%
101CP125Keywords making whole A Tags41-0.15-0.3884.00%
102LSI005LSI Words in H1 Tags174-0.15-0.3586.06%
103ENT013Has Entities in H2 Tags11-0.15-0.4456.84%
104CP072Search Result Document Matches131-0.15-0.4068.45%
105CP164Leading Keywords in H2 Tags81-0.15-0.3985.79%
106ENT010Title Tag Has Entities11-0.15-0.4151.47%
107QS003Number of Questions174-0.15-0.3478.55%
108DD014DomDetailer Moz Links113,944,22714,988,498-0.15-0.2128.87%
109CP426Number of Images14028-0.15-0.3582.31%
110LSI007LSI Words in H3 Tags17514-0.15-0.3691.60%
111CP391Number of Absolute URLs445139-0.15-0.3579.98%
112ENT012Has Entities in H1 Tags11-0.15-0.4152.10%
113CP467Keywords in Section Tags32015-0.14-0.4183.82%
114CP427Number of Images with Alt Text11718-0.14-0.3582.84%
115CP472Keywords making whole Span Tags71-0.14-0.3882.57%
116CPJLDxSANumber Of JSON-LD Types1219-0.14-0.3875.69%
117CP374Keywords in the last 100 words1934-0.14-0.3678.46%
118GD004Google Density Exact Matches353-0.14-0.3567.56%
119CPX013Keywords in Footer Tags3,76610-0.14-0.3684.27%
120CP376Keywords making whole LI Tags61-0.14-0.3880.70%
121CP158Keywords making whole H1-H6 Tags30-0.14-0.4076.23%
122CPXR005Number of H2 Tags156-0.14-0.3585.08%
123CP477Keywords in Title Attributes2378-0.14-0.3784.81%
124CP019Ahrefs Has DoFollow Backlinks10-0.14-0.3813.94%
125ENT014Has Entities in H3 Tags11-0.14-0.4154.78%
126CP045Ahrefs Has Text Backlinks11-0.14-0.3714.57%
127CP483aSearch Terms in the Title Tag20-0.14-0.3881.14%
128CP177Keywords in H4-H6 Tags351-0.14-0.3682.75%
129CP154Keywords making whole H1, H2, and H3 Tags20-0.14-0.3974.89%
130CP017Ahrefs Has Backlinks11-0.14-0.3614.75%
131CPXR006Number of H3 Tags557-0.14-0.3481.68%
132CP473Keywords in Strong Tags1132-0.13-0.3579.54%
133CP168Leading Keywords in H3 Tags131-0.13-0.3683.56%
134QS012Headings Has Question10-0.13-0.4070.87%
135CP377Load Time Milliseconds35,9552,355-0.13-0.2668.54%
136CP353Head Size Kilobytes11940-0.13-0.3272.56%
137CP050Ahrefs Internal Links38483-0.13-0.2614.83%
138CP460Percentage of DoFollow Internal Links9777-0.13-0.3273.28%
139CP126aSearch Terms in A Tags642-0.13-0.3487.76%
140ENT011Meta Description Tag Has Entities11-0.13-0.3949.51%
141CP173Keywords in H4 Tags271-0.13-0.3582.66%
142CP485Keywords in pages most used phrase20-0.13-0.3975.16%
143DD011DomDetailer Majestic Referring .gov Links20,976,5833,137,216-0.13-0.2026.72%
144CP099Search Result Number of Dirs in Path42-0.13-0.3359.70%
145CP413Number of External Links7217-0.13-0.3070.51%
146CP048Ahrefs Image Backlinks119,7502,559-0.13-0.2613.94%
147CP070Ahrefs Word Count3,5601,071-0.13-0.3111.08%
148CP469aSearch Terms in Sentences432-0.13-0.3286.68%
149QS006Number of Questions In H2 Tags30-0.13-0.3475.07%
150CP428Number of Images without Alt Text3410-0.13-0.3072.21%
151CP356Keywords in I Tags722-0.13-0.3579.62%
152QS007Number of Questions In H3 Tags30-0.13-0.3476.32%
153CP357Inline CSS Kilobytes9127-0.13-0.3376.32%
154PAGE009Number of Prices14732-0.13-0.3014.66%
155CPXR007Number of H4 Tags314-0.13-0.3175.42%
156CP213Has FavIcon11-0.12-0.3768.54%
157CP139Keywords in Class Attributes6,46616-0.12-0.3277.48%
158CP130Keywords in Article Tags1,49021-0.12-0.3677.03%
159CP032Ahrefs Has Image Backlinks10-0.12-0.3513.14%
160CP319Has Schema Markup11-0.12-0.3968.63%
161ENT015Has Entities in H4 Tags10-0.12-0.3750.04%
162CP409Number of DoFollow External Links6915-0.12-0.2867.29%
163CP355Keywords in ID Attributes7162-0.12-0.3481.59%
164CP440Number of NoFollow Links346-0.12-0.3077.93%
165LSI008LSI Words in H4 Tags456-0.12-0.3185.61%
166CP451Number of US Phone Numbers1307-0.12-0.2874.80%
167CP007Ahrefs External Links5617-0.12-0.2214.83%
168CP149Keywords making whole H1 Tags10-0.12-0.3673.37%
169CPJLD011Has JSON-LD Answer10-0.12-0.3755.50%
170CPJLD217Has JSON-LD Question10-0.12-0.3755.41%
171CP176Leading Keywords in H4-H6 Tags80-0.12-0.3577.30%
172CP445Number of Social Pages153-0.12-0.2771.13%
173CP424Number of HREF Lang Tags212-0.12-0.3373.19%
174CP439Number of NoFollow Externa Links263-0.12-0.3176.32%
175CP380Meta Description Length3,814124-0.12-0.2969.62%
176CP432Number of JavaScript Includes3014-0.12-0.3069.88%
177CP479iiTitle Has Sentiment Words10-0.12-0.3465.77%
178CP052Ahrefs Linked Root Domains206-0.12-0.2614.75%
179BYTES01Bytes To First P Tag84,45052,349-0.12-0.3356.03%
180CP313Has Privacy Policy11-0.12-0.3771.76%
181CP481bWord Count in Meta Description Tag60120-0.12-0.3070.69%
182CP150a2Search Terms in H2 Tags60-0.12-0.3286.06%
183CP479Title Has Sales Words10-0.12-0.3466.49%
184CP057Ahrefs Page Size59,72124,397-0.12-0.2510.81%
185CP347Has US Phone Number10-0.11-0.3659.25%
186CP150aSearch Terms in H1 Tags10-0.11-0.3279.80%
187CPXR011Keywords in Button Tags4101-0.11-0.3480.88%
188CPJLD007Has JSON-LD AggregateRating10-0.11-0.3662.29%
189CP131Average Words Per Sentence24041-0.11-0.2768.90%
190PAGE001Is Home Page10-0.11-0.336.52%
191CP148Flesch Kincaid Reading Grade83-0.11-0.2934.94%
192CP418Number of Forms182-0.11-0.2966.67%
193CP056Ahrefs Pages51-0.11-0.2514.75%
194CP203Has Apple Touch Icon10-0.11-0.3661.48%
195CP005Ahrefs Domain Rating7832-0.11-0.3011.17%
196CPJLDxCBNumber Of Claimed Brands71-0.11-0.3260.50%
197CPXR015Keywords in Figure Tags6,54814-0.11-0.3274.98%
198CP415Number of FaceBook Pages92-0.11-0.2770.96%
199CP207Has Contact Page11-0.11-0.3560.41%
200CPX005Keywords in Aside Tags1,7938-0.11-0.3375.25%


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