Top SEO Factors




Top SEO Factors - 2021-12-17      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 - 2021-12-17 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1ENT000aNumber of Entities Used7028-0.30-0.6267.35%
2CPZZZ50Number of Top 50 Shared Factors Used4228-0.29-0.4624.93%
3CPZZZ100Number of Top 100 Shared Factors Used7654-0.27-0.4725.21%
4CPZZZNumber of Factors Used217132-0.26-0.5191.53%
5CPZZZ200Number of Top 200 Shared Factors Used13496-0.24-0.4723.81%
6CP470Keywords in the HTML Tag1,038188-0.24-0.5293.12%
7CPX010Keywords in Div Tags713126-0.24-0.5192.28%
8CP134Keywords in Body Tag980165-0.24-0.5293.86%
9LSI002LSI Words in Sentences3,406572-0.22-0.4897.58%
10CP475Term Frequency75-0.22-0.4792.56%
11CP129Keywords in A Tags2,02829-0.22-0.4693.49%
12CP161Keywords in H1-H6 Tags1508-0.22-0.4790.79%
13CP127bKeywords in Unique A Tag HREFs1,40137-0.22-0.4690.05%
14CP465Keywords in P Tags1,57936-0.21-0.4891.44%
15CP157Keywords in H1, H2, and H3 Tags307-0.21-0.4690.70%
16CP127Keywords in A Tag HREFs1,85753-0.21-0.4692.00%
17ENT003Entities in H2 Tags416-0.21-0.5066.33%
18CP054Ahrefs NoFollow Backlinks128,2581,629-0.21-0.2513.02%
19CP153Keywords in H1 and H2 Tags184-0.21-0.4789.30%
20ENT009Entities in Title Tag62-0.21-0.4963.35%
21CP375Keywords in LI Tags63619-0.21-0.4792.37%
22CKWD001Clean Keyword Density in the HTML Tag114-0.21-0.4783.07%
23CP061Ahrefs Referring Class C Addresses1,22450-0.21-0.3013.12%
24CP469Keywords in Sentences10925-0.21-0.4590.23%
25CP063Ahrefs Referring IP Addresses2,18971-0.21-0.2913.12%
26CP062Ahrefs Referring Domains2,67678-0.20-0.2913.02%
27CP097Search Result Link Text Matches31-0.20-0.4877.40%
28CP071Search Result Display URL Matches31-0.20-0.4877.40%
29CP064Ahrefs Referring Pages260,3464,760-0.20-0.2213.30%
30CP002Ahrefs Backlinks260,3464,760-0.20-0.2213.30%
31CP999Search Result Path Matches122-0.20-0.4778.14%
32CP067Ahrefs Text Backlinks260,0544,581-0.20-0.2213.40%
33CP160Leading Keywords in H1-H6 Tags292-0.20-0.4587.16%
34CP488Keywords in pages top 10 most used phrases222-0.19-0.4986.14%
35CP135Body Tag Size Kilobytes25285-0.19-0.4585.86%
36ENT004Entities in H3 Tags366-0.19-0.4666.70%
37CP465cKeywords in script Tags5,41743-0.19-0.4591.16%
38CP156Leading Keywords in H1, H2, and H3 Tags211-0.19-0.4586.79%
39CP059Ahrefs Rank4112-0.19-0.3912.19%
40GD001Google Variation Density3313-0.19-0.4481.58%
41CP165Keywords in H2 Tags163-0.19-0.4490.88%
42CP113Search Result URL Matches202-0.19-0.4579.72%
43CP140Clean Text Kilobytes3111-0.19-0.4084.19%
44CP487Keywords in pages top 5 most used phrases101-0.19-0.4885.49%
45CP481Keywords in Title Tag32-0.18-0.4476.28%
46CP137Keywords in the Canonical URL52-0.18-0.4683.81%
47CP492bUnabridged Word Count5,2111,755-0.18-0.4086.33%
48ENT018Entities in Sentences62495-0.18-0.3997.86%
49CP458Page Size Kilobytes385151-0.18-0.4583.35%
50LSI001LSI Words in Title Tag145-0.18-0.4390.79%
51CP134aSearch Terms in Body Tag21214-0.18-0.4191.26%
52CP470aSearch Terms in the HTML Tag25911-0.18-0.4284.47%
53CPXX888Number of HTML Tags3,267878-0.18-0.4381.58%
54CP492Word Count4,2611,374-0.18-0.4084.37%
55DD005DomDetailer Majestic CF6637-0.18-0.4332.56%
56CP124aKeywords in Absolute URLs3,85654-0.18-0.4389.86%
57CP381Keywords in Meta Descriptions62-0.18-0.4580.56%
58CP128Keywords in Alt Attributes568-0.18-0.4088.65%
59CP108Search Result Summary Length357158-0.18-0.4282.70%
60DD008DomDetailer Majestic Referring Domains1,844,588284,386-0.18-0.2432.93%
61DD010DomDetailer Majestic Referring Subnets73,43914,844-0.18-0.2533.02%
62DD006DomDetailer Majestic IPs289,38150,440-0.18-0.2433.02%
63CP146Keywords in the First 100 Words197-0.18-0.4379.07%
64LSI006LSI Words in H2 Tags9015-0.18-0.4392.74%
65DD015DomDetailer Moz PA7243-0.18-0.4230.98%
66CP109Search Result Summary Text Matches63-0.18-0.4778.70%
67CP004Ahrefs Dofollow Backlinks132,1723,059-0.17-0.2412.84%
68CP471Keywords in Span Tags37310-0.17-0.3989.40%
69DD013DomDetailer Moz DA8744-0.17-0.4130.51%
70ENT008Entities in Meta Description Tag113-0.17-0.4557.77%
71ENT002Entities in H1 Tags62-0.17-0.4157.58%
72CP486Keywords in pages top 3 most used phrases61-0.17-0.4684.28%
73ENT001Entities in HTML Tag3,831326-0.17-0.3694.60%
74CP468Number of Sentences20256-0.17-0.3782.23%
75CP425Number of HTTPS Links516147-0.17-0.3880.56%
76CP152Keywords in H1 Tags31-0.17-0.4077.30%
77LSI003LSI Words in Meta Description Tag289-0.17-0.4088.37%
78DD012DomDetailer Majestic TF6629-0.17-0.3831.72%
79CP072Search Result Document Matches51-0.16-0.4269.30%
80CPXR018Keywords in Nav Tags3,27923-0.16-0.4187.53%
81CP431Number of Internal Links502133-0.16-0.3780.74%
82CP410Number of DoFollow Links505146-0.16-0.3778.98%
83DD002DomDetailer Facebook Shares11,122,8216,194-0.16-0.2632.93%
84CP484Leading Keywords in Title Tag10-0.16-0.4575.35%
85CPXR24Number of P Tags12937-0.16-0.3984.47%
86DD007DomDetailer Majestic Links173,742,59817,929,102-0.16-0.1832.56%
87CP435Number of Links517152-0.16-0.3779.44%
88GD003Google Density Variations5,87845-0.16-0.3876.65%
89CP159aSearch Terms in H1-H6 Tags121-0.16-0.3987.81%
90CPXR003Number of Heading Tags7021-0.16-0.3884.19%
91CP169Keywords in H3 Tags623-0.16-0.3888.65%
92CP151Leading Keywords in H1 Tags10-0.16-0.4276.28%
93CPX003Keywords in Main Tags5,91861-0.16-0.4483.72%
94CP164Leading Keywords in H2 Tags81-0.16-0.4084.93%
95QS004Number of Questions In Headings71-0.16-0.3936.19%
96CP476TF/IDF11-0.16-0.4380.74%
97CP038Ahrefs Has NoFollow Backlinks11-0.16-0.4212.65%
98LSI005LSI Words in H1 Tags134-0.16-0.3586.98%
99DD016DomDetailer Moz Rank95-0.15-0.3930.60%
100CP125Keywords making whole A Tags51-0.15-0.3983.91%
101CP383Keywords in Meta OpenGraph Description121-0.15-0.4178.05%
102GD004Google Density Exact Matches283-0.15-0.3768.47%
103DD014DomDetailer Moz Links113,944,22713,849,994-0.15-0.2432.19%
104CP358Inline Javascript Kilobytes15333-0.15-0.3580.56%
105QS003Number of Questions154-0.15-0.3577.12%
106LSI007LSI Words in H3 Tags17515-0.15-0.3691.16%
107ENT005Entities in H4 Tags132-0.15-0.4162.23%
108CPJLDxSANumber Of JSON-LD Types12110-0.15-0.4078.79%
109CP374Keywords in the last 100 words1934-0.15-0.3679.44%
110CP376Keywords making whole LI Tags61-0.15-0.3980.37%
111CPXR005Number of H2 Tags176-0.15-0.3782.70%
112CP426Number of Images14027-0.15-0.3580.37%
113ENT010Title Tag Has Entities11-0.15-0.4051.91%
114CP385Keywords in Meta OpenGraph Content81-0.15-0.4076.19%
115ENT013Has Entities in H2 Tags11-0.15-0.4358.14%
116CP472Keywords making whole Span Tags71-0.15-0.3782.23%
117CPX013Keywords in Footer Tags536-0.15-0.3681.58%
118CP427Number of Images with Alt Text11718-0.15-0.3681.77%
119CP483aSearch Terms in the Title Tag20-0.15-0.3980.84%
120ENT012Has Entities in H1 Tags11-0.14-0.4153.67%
121CP477Keywords in Title Attributes1888-0.14-0.3683.44%
122CP391Number of Absolute URLs489147-0.14-0.3480.74%
123CP467Keywords in Section Tags9217-0.14-0.3982.05%
124ENT014Has Entities in H3 Tags11-0.14-0.4155.53%
125CP177Keywords in H4-H6 Tags351-0.14-0.3881.58%
126CP158Keywords making whole H1-H6 Tags30-0.14-0.3974.70%
127CP019Ahrefs Has DoFollow Backlinks10-0.14-0.3812.37%
128CP473Keywords in Strong Tags992-0.13-0.3580.65%
129CP485Keywords in pages most used phrase10-0.13-0.4075.35%
130CPXR006Number of H3 Tags558-0.13-0.3381.30%
131CP154Keywords making whole H1, H2, and H3 Tags10-0.13-0.3973.12%
132CP413Number of External Links8119-0.13-0.3073.02%
133DD011DomDetailer Majestic Referring .gov Links19,406,4872,537,166-0.13-0.2030.42%
134CP355Keywords in ID Attributes3841-0.13-0.3682.79%
135QS012Headings Has Question10-0.13-0.4070.42%
136CP168Leading Keywords in H3 Tags110-0.13-0.3580.74%
137CP460Percentage of DoFollow Internal Links9476-0.13-0.3369.40%
138CP045Ahrefs Has Text Backlinks11-0.13-0.3712.65%
139ENT011Meta Description Tag Has Entities11-0.13-0.4050.98%
140CP150aSearch Terms in H1 Tags10-0.13-0.3480.74%
141CP126aSearch Terms in A Tags872-0.13-0.3388.09%
142CP469aSearch Terms in Sentences432-0.13-0.3487.81%
143CP017Ahrefs Has Backlinks11-0.13-0.3712.65%
144CP173Keywords in H4 Tags261-0.13-0.3683.53%
145QS006Number of Questions In H2 Tags30-0.13-0.3375.44%
146CP139Keywords in Class Attributes1807-0.13-0.3274.60%
147CP353Head Size Kilobytes11941-0.13-0.3273.49%
148CP409Number of DoFollow External Links6816-0.13-0.2871.26%
149CP130Keywords in Article Tags1,01522-0.13-0.3678.51%
150CP050Ahrefs Internal Links38476-0.13-0.2513.02%
151CP356Keywords in I Tags363-0.12-0.3578.14%
152CP099Search Result Number of Dirs in Path42-0.12-0.3462.23%
153CP377Load Time Milliseconds45,8552,377-0.12-0.2569.40%
154PAGE009Number of Prices14731-0.12-0.3020.09%
155CP070Ahrefs Word Count3,2191,059-0.12-0.3110.60%
156CP357Inline CSS Kilobytes9128-0.12-0.3375.63%
157CP451Number of US Phone Numbers1307-0.12-0.2872.84%
158CP048Ahrefs Image Backlinks119,7501,693-0.12-0.2212.47%
159QS007Number of Questions In H3 Tags30-0.12-0.3476.19%
160CP213Has FavIcon11-0.12-0.3867.07%
161CP150a2Search Terms in H2 Tags60-0.12-0.3486.70%
162LSI008LSI Words in H4 Tags606-0.12-0.3285.95%
163CP347Has US Phone Number10-0.12-0.3857.77%
164CPXR007Number of H4 Tags254-0.12-0.3076.00%
165CP149Keywords making whole H1 Tags10-0.12-0.3871.53%
166CP465zKeywords in Form Tags40-0.12-0.3473.67%
167CPXR011Keywords in Button Tags141-0.12-0.3578.14%
168CPJLD011Has JSON-LD Answer10-0.12-0.3757.67%
169CP380Meta Description Length288120-0.12-0.3069.30%
170CPJLD217Has JSON-LD Question10-0.12-0.3657.67%
171CP032Ahrefs Has Image Backlinks10-0.12-0.3312.19%
172CP481bWord Count in Meta Description Tag4419-0.12-0.3069.86%
173CP005Ahrefs Domain Rating7630-0.12-0.2910.14%
174CP319Has Schema Markup11-0.12-0.3766.88%
175CP428Number of Images without Alt Text709-0.12-0.2970.23%
176PAGE001Is Home Page10-0.12-0.347.63%
177CP440Number of NoFollow Links446-0.12-0.2976.28%
178CP007Ahrefs External Links5616-0.12-0.2212.93%
179CPXR015Keywords in Figure Tags1878-0.12-0.3475.53%
180CP445Number of Social Pages153-0.12-0.2672.00%
181CP176Leading Keywords in H4-H6 Tags80-0.12-0.3477.21%
182CP313Has Privacy Policy11-0.12-0.3672.28%
183CP133Keywords in B Tags321-0.12-0.3272.28%
184CP052Ahrefs Linked Root Domains165-0.12-0.2712.56%
185CP479Title Has Sales Words10-0.12-0.3469.12%
186CP439Number of NoFollow Externa Links303-0.12-0.3075.91%
187CP148Flesch Kincaid Reading Grade84-0.12-0.2831.44%
188ENT015Has Entities in H4 Tags10-0.12-0.3650.70%
189CP204Has Canonical URL11-0.11-0.3764.19%
190DD001DomDetailer Facebook Comments42825-0.11-0.2927.07%
191CPJLDxKANumber Of JSON-LD Entity References80-0.11-0.3660.09%
192CPX005Keywords in Aside Tags8156-0.11-0.3376.00%
193CP479iiTitle Has Sentiment Words10-0.11-0.3468.74%
194CP415Number of FaceBook Pages92-0.11-0.2871.63%
195CP418Number of Forms182-0.11-0.2966.33%
196PAGE010Number of Schema Products131-0.11-0.369.40%
197CP131Average Words Per Sentence24041-0.11-0.2770.14%
198CP381aSearch Terms in Meta Descriptions20-0.11-0.3384.84%
199CP057Ahrefs Page Size59,72122,884-0.11-0.2410.60%
200CP414Number of Facebook Accounts31-0.11-0.2970.23%


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