Top SEO Factors




Top SEO Factors - 2021-12-30      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 - 2021-12-30 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1ENT000aNumber of Entities Used6830-0.30-0.6276.85%
2CP054Ahrefs NoFollow Backlinks5,409282-0.29-0.3711.33%
3CP059Ahrefs Rank4119-0.29-0.579.48%
4CP063Ahrefs Referring IP Addresses45866-0.28-0.4011.33%
5CP061Ahrefs Referring Class C Addresses31051-0.28-0.4111.33%
6CP062Ahrefs Referring Domains48966-0.28-0.4011.21%
7CP067Ahrefs Text Backlinks71,9422,482-0.27-0.3011.70%
8CP002Ahrefs Backlinks71,9562,687-0.27-0.3011.70%
9CP064Ahrefs Referring Pages71,9562,687-0.27-0.3011.70%
10CPZZZ50Number of Top 50 Shared Factors Used4229-0.26-0.4515.89%
11CPZZZ100Number of Top 100 Shared Factors Used7657-0.25-0.4615.89%
12CPZZZ200Number of Top 200 Shared Factors Used134100-0.24-0.4814.90%
13CP004Ahrefs Dofollow Backlinks69,3662,238-0.24-0.3011.82%
14CP470Keywords in the HTML Tag1,038202-0.23-0.5091.87%
15CPZZZNumber of Factors Used217146-0.23-0.4892.00%
16CPX010Keywords in Div Tags713139-0.23-0.4891.01%
17LSI002LSI Words in Sentences3,406705-0.22-0.4696.43%
18CP134Keywords in Body Tag980177-0.22-0.5092.36%
19ENT003Entities in H2 Tags417-0.22-0.5175.99%
20CP475Term Frequency75-0.22-0.4792.49%
21CP127bKeywords in Unique A Tag HREFs18138-0.22-0.4589.16%
22CP127Keywords in A Tag HREFs26654-0.21-0.4492.36%
23CP161Keywords in H1-H6 Tags329-0.21-0.4790.27%
24CP465Keywords in P Tags17842-0.21-0.4590.76%
25ENT009Entities in Title Tag63-0.21-0.5072.54%
26CP153Keywords in H1 and H2 Tags185-0.21-0.4888.05%
27CP157Keywords in H1, H2, and H3 Tags308-0.21-0.4690.76%
28CP469Keywords in Sentences12530-0.20-0.4390.76%
29CP129Keywords in A Tags13629-0.20-0.4392.73%
30CP134aSearch Terms in Body Tag21213-0.20-0.4391.50%
31ENT004Entities in H3 Tags367-0.20-0.4775.49%
32CP108Search Result Summary Length349166-0.20-0.4685.59%
33CP038Ahrefs Has NoFollow Backlinks11-0.20-0.5410.84%
34CP113Search Result URL Matches52-0.20-0.4880.17%
35CP375Keywords in LI Tags10222-0.20-0.4491.38%
36CP470aSearch Terms in the HTML Tag2598-0.20-0.4587.56%
37DD010DomDetailer Majestic Referring Subnets44,07514,071-0.20-0.2325.25%
38CP999Search Result Path Matches52-0.20-0.4976.85%
39DD006DomDetailer Majestic IPs191,02747,249-0.20-0.2225.25%
40CP005Ahrefs Domain Rating7545-0.20-0.488.87%
41DD008DomDetailer Majestic Referring Domains1,572,195267,987-0.20-0.2225.37%
42CP488Keywords in pages top 10 most used phrases52-0.20-0.5185.10%
43DD015DomDetailer Moz PA7046-0.19-0.4523.65%
44CKWD001Clean Keyword Density in the HTML Tag114-0.19-0.4683.62%
45CP140Clean Text Kilobytes3112-0.19-0.4182.76%
46CP487Keywords in pages top 5 most used phrases31-0.19-0.5086.70%
47DD005DomDetailer Majestic CF6639-0.19-0.4525.12%
48CP492bUnabridged Word Count5,2111,888-0.19-0.4186.70%
49CP135Body Tag Size Kilobytes25285-0.19-0.4583.87%
50CP165Keywords in H2 Tags164-0.19-0.4492.49%
51GD001Google Variation Density103-0.19-0.4580.30%
52ENT018Entities in Sentences624119-0.19-0.3997.91%
53CP070Ahrefs Word Count3,2191,451-0.19-0.459.36%
54CP124aKeywords in Absolute URLs44257-0.19-0.4390.27%
55CP458Page Size Kilobytes325150-0.19-0.4783.25%
56CP465cKeywords in script Tags45342-0.18-0.4392.12%
57CP072Search Result Document Matches52-0.18-0.4769.46%
58CP137Keywords in the Canonical URL52-0.18-0.4882.64%
59CP160Leading Keywords in H1-H6 Tags102-0.18-0.4486.21%
60CP019Ahrefs Has DoFollow Backlinks11-0.18-0.5111.21%
61CP492Word Count4,2611,468-0.18-0.3984.48%
62CPXX888Number of HTML Tags3,267855-0.18-0.4479.06%
63CP156Leading Keywords in H1, H2, and H3 Tags62-0.18-0.4586.08%
64CP109Search Result Summary Text Matches63-0.18-0.4882.02%
65LSI006LSI Words in H2 Tags9619-0.18-0.4493.47%
66LSI001LSI Words in Title Tag146-0.18-0.4390.27%
67CP159aSearch Terms in H1-H6 Tags121-0.18-0.4287.68%
68DD013DomDetailer Moz DA8546-0.18-0.4123.40%
69CP486Keywords in pages top 3 most used phrases21-0.18-0.4882.14%
70ENT002Entities in H1 Tags62-0.17-0.4265.27%
71DD012DomDetailer Majestic TF6030-0.17-0.4024.38%
72CPJLD131Has JSON-LD LegalService10-0.17-0.503.57%
73CP471Keywords in Span Tags4010-0.17-0.3987.81%
74CP146Keywords in the First 100 Words208-0.17-0.4479.56%
75CP468Number of Sentences18059-0.17-0.3883.25%
76GD004Google Density Exact Matches282-0.17-0.3968.60%
77DD007DomDetailer Majestic Links173,742,59818,574,525-0.17-0.1925.37%
78ENT001Entities in HTML Tag3,831372-0.17-0.3793.47%
79CP045Ahrefs Has Text Backlinks11-0.17-0.4810.84%
80CP425Number of HTTPS Links446138-0.17-0.3880.05%
81CP097Search Result Link Text Matches32-0.17-0.4476.11%
82CP071Search Result Display URL Matches32-0.17-0.4476.11%
83CPXR24Number of P Tags11940-0.17-0.3883.87%
84CP017Ahrefs Has Backlinks11-0.17-0.4810.71%
85ENT008Entities in Meta Description Tag113-0.17-0.4466.38%
86LSI003LSI Words in Meta Description Tag2810-0.17-0.4185.59%
87CP431Number of Internal Links430123-0.17-0.3879.68%
88CP410Number of DoFollow Links436136-0.17-0.3778.33%
89CPX003Keywords in Main Tags50567-0.16-0.4684.61%
90CP484Leading Keywords in Title Tag10-0.16-0.4773.77%
91CP435Number of Links447142-0.16-0.3779.31%
92CP381Keywords in Meta Descriptions92-0.16-0.4480.05%
93CP048Ahrefs Image Backlinks15,977595-0.16-0.2910.84%
94CPXR003Number of Heading Tags7021-0.16-0.4185.59%
95CP481Keywords in Title Tag32-0.16-0.4174.14%
96CP169Keywords in H3 Tags143-0.16-0.3989.29%
97DD016DomDetailer Moz Rank85-0.16-0.3923.65%
98CP032Ahrefs Has Image Backlinks10-0.16-0.4510.59%
99DD014DomDetailer Moz Links79,976,55112,764,913-0.16-0.2225.00%
100CP483aSearch Terms in the Title Tag10-0.16-0.4381.03%
101QS004Number of Questions In Headings71-0.16-0.3828.82%
102CP128Keywords in Alt Attributes568-0.16-0.3687.32%
103CP050Ahrefs Internal Links737107-0.16-0.3111.45%
104CP057Ahrefs Page Size59,72132,689-0.16-0.358.99%
105CP164Leading Keywords in H2 Tags31-0.16-0.4284.98%
106GD003Google Density Variations19945-0.16-0.4074.88%
107LSI007LSI Words in H3 Tags17518-0.16-0.3891.13%
108DD002DomDetailer Facebook Shares9,481,683-4,050,660-0.16-0.2325.99%
109CPXR018Keywords in Nav Tags23022-0.16-0.3887.19%
110CPJLD179Has JSON-LD NutritionInformation10-0.15-0.393.69%
111CP476TF/IDF11-0.15-0.4478.94%
112CP151Leading Keywords in H1 Tags10-0.15-0.4374.51%
113CP007Ahrefs External Links7722-0.15-0.2710.84%
114CP150aSearch Terms in H1 Tags10-0.15-0.3981.16%
115CP469aSearch Terms in Sentences432-0.15-0.3987.68%
116CP358Inline Javascript Kilobytes11231-0.15-0.3783.87%
117CP052Ahrefs Linked Root Domains137-0.15-0.3611.08%
118CP374Keywords in the last 100 words114-0.15-0.3780.17%
119CPXR005Number of H2 Tags216-0.15-0.3885.96%
120LSI005LSI Words in H1 Tags135-0.15-0.3586.21%
121QS003Number of Questions175-0.15-0.3682.39%
122CP125Keywords making whole A Tags51-0.15-0.3783.50%
123ENT005Entities in H4 Tags132-0.15-0.4169.95%
124CP426Number of Images14027-0.15-0.3775.12%
125CPX013Keywords in Footer Tags537-0.15-0.3679.31%
126ENT014Has Entities in H3 Tags11-0.14-0.4463.30%
127ENT010Title Tag Has Entities11-0.14-0.4155.30%
128CP152Keywords in H1 Tags31-0.14-0.3677.09%
129CP391Number of Absolute URLs489149-0.14-0.3581.40%
130CPJLDxSANumber Of JSON-LD Types6410-0.14-0.3979.19%
131CP034Ahrefs Has Internal Links11-0.14-0.449.48%
132CPXR006Number of H3 Tags558-0.14-0.3583.99%
133ENT013Has Entities in H2 Tags11-0.14-0.4466.75%
134CP036Ahrefs Has Linked Root Domains11-0.14-0.449.48%
135CP383Keywords in Meta OpenGraph Description122-0.14-0.3978.82%
136CP355Keywords in ID Attributes131-0.14-0.3982.39%
137CP376Keywords making whole LI Tags51-0.14-0.3779.68%
138CPJLD234Has JSON-LD SelfStorage10-0.14-0.261.60%
139CP413Number of External Links8120-0.14-0.3280.05%
140CP150a2Search Terms in H2 Tags60-0.14-0.3987.81%
141DD011DomDetailer Majestic Referring .gov Links17,156,5572,221,020-0.14-0.1822.91%
142CP485Keywords in pages most used phrase10-0.14-0.4274.38%
143CP472Keywords making whole Span Tags51-0.14-0.3582.39%
144PAGE009Number of Prices11832-0.14-0.3413.05%
145CP427Number of Images with Alt Text11718-0.14-0.3578.69%
146CP168Leading Keywords in H3 Tags31-0.14-0.3678.82%
147CP056Ahrefs Pages52-0.14-0.3010.22%
148CP477Keywords in Title Attributes798-0.14-0.3582.76%
149CP049Ahrefs Images5417-0.14-0.339.11%
150CP177Keywords in H4-H6 Tags132-0.14-0.3679.56%
151ENT012Has Entities in H1 Tags11-0.14-0.4159.61%
152CP473Keywords in Strong Tags173-0.14-0.3481.40%
153QS012Headings Has Question10-0.14-0.4075.49%
154CP033Ahrefs Has Images11-0.13-0.417.88%
155CP060Ahrefs Redirects9,124257-0.13-0.339.24%
156CP385Keywords in Meta OpenGraph Content31-0.13-0.3875.12%
157CP353Head Size Kilobytes11743-0.13-0.3677.96%
158CP139Keywords in Class Attributes1807-0.13-0.3474.51%
159CP126aSearch Terms in A Tags872-0.13-0.3487.32%
160CP022Ahrefs Has External Links11-0.13-0.4110.22%
161CP467Keywords in Section Tags9220-0.13-0.3780.54%
162CP409Number of DoFollow External Links6817-0.13-0.3080.17%
163QS006Number of Questions In H2 Tags41-0.13-0.3378.20%
164CP357Inline CSS Kilobytes7530-0.13-0.3778.45%
165CPXR011Keywords in Button Tags141-0.13-0.3775.99%
166CPJLD011Has JSON-LD Answer10-0.13-0.4061.70%
167QS007Number of Questions In H3 Tags31-0.13-0.3578.94%
168CPJLD217Has JSON-LD Question10-0.13-0.4061.58%
169CP099Search Result Number of Dirs in Path32-0.13-0.3559.98%
170CP173Keywords in H4 Tags61-0.13-0.3582.51%
171ENT011Meta Description Tag Has Entities11-0.13-0.4056.53%
172CP041Ahrefs Has Redirects10-0.13-0.388.62%
173CP006Ahrefs Edu Backlinks15,003630-0.13-0.357.51%
174CP451Number of US Phone Numbers2248-0.13-0.2871.92%
175CP104bSearch Result Publish Date2,014,085,5931,965,856,294-0.13-0.3250.25%
176CP158Keywords making whole H1-H6 Tags40-0.13-0.3675.00%
177CP021Ahrefs Has EDU Backlinks10-0.13-0.396.40%
178CP154Keywords making whole H1, H2, and H3 Tags10-0.13-0.3774.75%
179CP377Load Time Milliseconds45,8552,250-0.12-0.2667.24%
180LSI008LSI Words in H4 Tags608-0.12-0.3284.73%
181CP130Keywords in Article Tags16126-0.12-0.3782.02%
182CP381aSearch Terms in Meta Descriptions10-0.12-0.3783.25%
183CP133Keywords in B Tags102-0.12-0.3370.81%
184PAGE010Number of Schema Products131-0.12-0.388.62%
185CP142Keywords in Em Tags51-0.12-0.3575.62%
186CP465zKeywords in Form Tags51-0.12-0.3670.57%
187CP114Search Result Uses HTTPS11-0.12-0.3762.19%
188CP347Has US Phone Number10-0.12-0.3956.90%
189CPJLD116Has JSON-LD HowToStep10-0.12-0.379.24%
190CPXR007Number of H4 Tags254-0.12-0.3175.49%
191CPJLD189Has JSON-LD Organization10-0.12-0.3965.15%
192CPJLD122Has JSON-LD ImageObject10-0.12-0.3764.66%
193CPXR015Keywords in Figure Tags1879-0.12-0.3476.48%
194CP479Title Has Sales Words10-0.12-0.3673.40%
195CP380Meta Description Length288126-0.12-0.3269.21%
196CP149Keywords making whole H1 Tags10-0.12-0.3770.94%
197CP481bWord Count in Meta Description Tag4420-0.12-0.3367.61%
198CPJLDxKANumber Of JSON-LD Entity References81-0.12-0.3761.33%
199CP439Number of NoFollow Externa Links304-0.12-0.3276.11%
200CPJLD105Has JSON-LD HomeAndConstructionBusiness10-0.12-0.336.53%


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