Top SEO Factors




Top SEO Factors - 2021-12-29      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 - 2021-12-29 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1ENT000aNumber of Entities Used6830-0.30-0.6274.24%
2CP054Ahrefs NoFollow Backlinks5,409279-0.29-0.3811.30%
3CP063Ahrefs Referring IP Addresses45865-0.29-0.4111.30%
4CP059Ahrefs Rank4118-0.29-0.569.48%
5CP061Ahrefs Referring Class C Addresses31050-0.29-0.4111.30%
6CP062Ahrefs Referring Domains48964-0.28-0.4011.18%
7CPZZZ50Number of Top 50 Shared Factors Used4228-0.28-0.4719.44%
8CP067Ahrefs Text Backlinks71,9422,437-0.27-0.3111.66%
9CP002Ahrefs Backlinks71,9562,641-0.27-0.3111.66%
10CP064Ahrefs Referring Pages71,9562,641-0.27-0.3111.66%
11CPZZZ100Number of Top 100 Shared Factors Used7656-0.26-0.4619.68%
12CP004Ahrefs Dofollow Backlinks69,3662,195-0.24-0.3111.79%
13CP470Keywords in the HTML Tag1,038204-0.24-0.5091.74%
14CPZZZNumber of Factors Used217145-0.23-0.4891.62%
15CPZZZ200Number of Top 200 Shared Factors Used13499-0.23-0.4618.59%
16CPX010Keywords in Div Tags713139-0.23-0.4990.64%
17LSI002LSI Words in Sentences3,406696-0.22-0.4796.84%
18CP134Keywords in Body Tag980179-0.22-0.5192.35%
19ENT003Entities in H2 Tags417-0.22-0.5173.27%
20CP475Term Frequency75-0.22-0.4792.10%
21CP127bKeywords in Unique A Tag HREFs18138-0.22-0.4588.82%
22CP127Keywords in A Tag HREFs26654-0.21-0.4591.86%
23CP465Keywords in P Tags17842-0.21-0.4690.52%
24CP161Keywords in H1-H6 Tags329-0.21-0.4790.04%
25CP469Keywords in Sentences12530-0.21-0.4490.64%
26CP134aSearch Terms in Body Tag21212-0.21-0.4391.13%
27CP129Keywords in A Tags13629-0.21-0.4492.47%
28ENT009Entities in Title Tag63-0.20-0.4969.62%
29CP157Keywords in H1, H2, and H3 Tags308-0.20-0.4690.28%
30ENT004Entities in H3 Tags367-0.20-0.4772.90%
31CP153Keywords in H1 and H2 Tags185-0.20-0.4788.46%
32CP113Search Result URL Matches52-0.20-0.4979.47%
33CP470aSearch Terms in the HTML Tag2597-0.20-0.4587.73%
34CP038Ahrefs Has NoFollow Backlinks11-0.20-0.5410.94%
35CP108Search Result Summary Length349166-0.20-0.4585.66%
36DD010DomDetailer Majestic Referring Subnets44,07514,445-0.20-0.2428.07%
37CP999Search Result Path Matches52-0.20-0.4976.55%
38DD006DomDetailer Majestic IPs191,02748,223-0.20-0.2328.07%
39DD008DomDetailer Majestic Referring Domains1,572,195270,703-0.20-0.2328.19%
40CP375Keywords in LI Tags10221-0.20-0.4491.13%
41CKWD001Clean Keyword Density in the HTML Tag114-0.20-0.4682.26%
42DD015DomDetailer Moz PA7046-0.20-0.4626.49%
43CP488Keywords in pages top 10 most used phrases52-0.20-0.5185.05%
44CP005Ahrefs Domain Rating7544-0.19-0.478.87%
45DD005DomDetailer Majestic CF6640-0.19-0.4628.07%
46CP140Clean Text Kilobytes3112-0.19-0.4182.87%
47CP492bUnabridged Word Count5,2111,911-0.19-0.4186.63%
48CP487Keywords in pages top 5 most used phrases31-0.19-0.5085.78%
49CP135Body Tag Size Kilobytes25285-0.19-0.4583.96%
50GD001Google Variation Density103-0.19-0.4580.19%
51CP124aKeywords in Absolute URLs44258-0.19-0.4490.40%
52CP458Page Size Kilobytes325151-0.19-0.4783.96%
53CP070Ahrefs Word Count3,2191,432-0.19-0.459.36%
54CP165Keywords in H2 Tags164-0.19-0.4492.71%
55ENT018Entities in Sentences624116-0.19-0.3897.81%
56CP072Search Result Document Matches52-0.18-0.4769.02%
57CP492Word Count4,2611,487-0.18-0.4084.93%
58CP465cKeywords in script Tags45342-0.18-0.4391.62%
59CP137Keywords in the Canonical URL52-0.18-0.4882.02%
60CP160Leading Keywords in H1-H6 Tags102-0.18-0.4485.78%
61CP019Ahrefs Has DoFollow Backlinks11-0.18-0.5111.30%
62CP156Leading Keywords in H1, H2, and H3 Tags62-0.18-0.4585.42%
63CPXX888Number of HTML Tags3,267856-0.18-0.4479.83%
64CP159aSearch Terms in H1-H6 Tags121-0.18-0.4387.61%
65DD013DomDetailer Moz DA8546-0.18-0.4226.49%
66LSI001LSI Words in Title Tag146-0.18-0.4390.16%
67LSI006LSI Words in H2 Tags9019-0.18-0.4393.68%
68CP109Search Result Summary Text Matches63-0.18-0.4880.44%
69CP486Keywords in pages top 3 most used phrases21-0.18-0.4881.65%
70ENT002Entities in H1 Tags62-0.18-0.4262.58%
71DD012DomDetailer Majestic TF6031-0.17-0.4027.22%
72CP468Number of Sentences20260-0.17-0.3984.69%
73GD004Google Density Exact Matches282-0.17-0.4069.87%
74CP146Keywords in the First 100 Words208-0.17-0.4479.59%
75DD007DomDetailer Majestic Links173,742,59819,407,970-0.17-0.1928.31%
76CPJLD131Has JSON-LD LegalService10-0.17-0.503.65%
77CP471Keywords in Span Tags4010-0.17-0.3987.73%
78CP045Ahrefs Has Text Backlinks11-0.17-0.4810.94%
79CP097Search Result Link Text Matches32-0.17-0.4474.12%
80CP071Search Result Display URL Matches32-0.17-0.4474.12%
81CP017Ahrefs Has Backlinks11-0.17-0.4810.81%
82CPXR24Number of P Tags12940-0.17-0.3885.05%
83ENT001Entities in HTML Tag3,831362-0.17-0.3693.68%
84CP425Number of HTTPS Links446138-0.17-0.3780.19%
85CP484Leading Keywords in Title Tag10-0.17-0.4772.17%
86LSI003LSI Words in Meta Description Tag2810-0.17-0.4185.78%
87ENT008Entities in Meta Description Tag113-0.17-0.4463.91%
88CP048Ahrefs Image Backlinks15,977590-0.17-0.2910.81%
89CP381Keywords in Meta Descriptions52-0.16-0.4479.34%
90CPX003Keywords in Main Tags50567-0.16-0.4584.45%
91DD016DomDetailer Moz Rank85-0.16-0.4026.61%
92CP431Number of Internal Links430123-0.16-0.3779.83%
93CP410Number of DoFollow Links436137-0.16-0.3778.25%
94CPXR003Number of Heading Tags7022-0.16-0.4185.78%
95CP435Number of Links447143-0.16-0.3779.22%
96CP032Ahrefs Has Image Backlinks10-0.16-0.4510.57%
97CP481Keywords in Title Tag32-0.16-0.4173.03%
98CP483aSearch Terms in the Title Tag10-0.16-0.4381.04%
99DD014DomDetailer Moz Links91,215,13513,396,917-0.16-0.2327.70%
100CP169Keywords in H3 Tags143-0.16-0.3988.46%
101CP128Keywords in Alt Attributes568-0.16-0.3786.76%
102CP164Leading Keywords in H2 Tags31-0.16-0.4283.72%
103QS004Number of Questions In Headings71-0.16-0.3831.96%
104LSI007LSI Words in H3 Tags17518-0.16-0.3890.89%
105GD003Google Density Variations19945-0.16-0.3974.61%
106CP050Ahrefs Internal Links737106-0.16-0.3111.42%
107DD002DomDetailer Facebook Shares9,481,683-3,556,219-0.16-0.2428.92%
108CP057Ahrefs Page Size59,72132,280-0.16-0.348.99%
109CPXR018Keywords in Nav Tags23022-0.16-0.3986.63%
110CP150aSearch Terms in H1 Tags10-0.15-0.3981.17%
111CP476TF/IDF11-0.15-0.4477.52%
112CP469aSearch Terms in Sentences432-0.15-0.4087.85%
113CP151Leading Keywords in H1 Tags10-0.15-0.4373.75%
114CP007Ahrefs External Links7722-0.15-0.2710.94%
115QS003Number of Questions175-0.15-0.3781.77%
116CP358Inline Javascript Kilobytes11232-0.15-0.3783.72%
117CPXR005Number of H2 Tags177-0.15-0.3886.15%
118CP374Keywords in the last 100 words114-0.15-0.3779.83%
119CP052Ahrefs Linked Root Domains137-0.15-0.3611.06%
120CPJLD179Has JSON-LD NutritionInformation10-0.15-0.383.77%
121LSI005LSI Words in H1 Tags135-0.15-0.3487.48%
122ENT005Entities in H4 Tags132-0.15-0.4267.68%
123CP125Keywords making whole A Tags51-0.15-0.3783.48%
124CP426Number of Images14028-0.15-0.3776.43%
125ENT014Has Entities in H3 Tags11-0.15-0.4461.36%
126CPX013Keywords in Footer Tags537-0.14-0.3678.86%
127ENT013Has Entities in H2 Tags11-0.14-0.4465.13%
128CPJLDxSANumber Of JSON-LD Types6410-0.14-0.3978.86%
129CP152Keywords in H1 Tags31-0.14-0.3676.31%
130ENT010Title Tag Has Entities11-0.14-0.4154.31%
131CPXR006Number of H3 Tags558-0.14-0.3583.72%
132CP391Number of Absolute URLs489151-0.14-0.3582.38%
133CP034Ahrefs Has Internal Links11-0.14-0.439.36%
134DD011DomDetailer Majestic Referring .gov Links17,156,5572,222,840-0.14-0.1925.88%
135CP413Number of External Links8120-0.14-0.3379.71%
136CP383Keywords in Meta OpenGraph Description122-0.14-0.3977.28%
137CP376Keywords making whole LI Tags51-0.14-0.3778.61%
138CP036Ahrefs Has Linked Root Domains11-0.14-0.439.36%
139CP150a2Search Terms in H2 Tags60-0.14-0.3987.97%
140CP355Keywords in ID Attributes131-0.14-0.3881.41%
141CP427Number of Images with Alt Text11718-0.14-0.3579.22%
142CP168Leading Keywords in H3 Tags31-0.14-0.3678.74%
143CP056Ahrefs Pages52-0.14-0.3110.33%
144CP472Keywords making whole Span Tags51-0.14-0.3581.41%
145CP477Keywords in Title Attributes798-0.14-0.3582.26%
146CP049Ahrefs Images5417-0.14-0.339.11%
147QS012Headings Has Question10-0.14-0.4074.73%
148CP485Keywords in pages most used phrase10-0.14-0.4273.63%
149CP177Keywords in H4-H6 Tags132-0.14-0.3678.37%
150CP473Keywords in Strong Tags173-0.14-0.3481.04%
151ENT012Has Entities in H1 Tags11-0.14-0.4157.96%
152CP409Number of DoFollow External Links6817-0.13-0.3079.59%
153CP033Ahrefs Has Images11-0.13-0.407.90%
154CP385Keywords in Meta OpenGraph Content31-0.13-0.3873.88%
155CP060Ahrefs Redirects9,124252-0.13-0.329.36%
156CP022Ahrefs Has External Links11-0.13-0.4110.09%
157CP467Keywords in Section Tags9220-0.13-0.3779.71%
158CP126aSearch Terms in A Tags872-0.13-0.3487.00%
159CP139Keywords in Class Attributes1808-0.13-0.3373.63%
160QS006Number of Questions In H2 Tags41-0.13-0.3376.91%
161CP353Head Size Kilobytes11943-0.13-0.3578.86%
162CP357Inline CSS Kilobytes7530-0.13-0.3779.22%
163PAGE009Number of Prices11830-0.13-0.3316.16%
164CPXR011Keywords in Button Tags141-0.13-0.3775.46%
165QS007Number of Questions In H3 Tags31-0.13-0.3578.49%
166CPJLD011Has JSON-LD Answer10-0.13-0.4061.12%
167CP173Keywords in H4 Tags61-0.13-0.3682.14%
168CPJLD217Has JSON-LD Question10-0.13-0.4061.00%
169ENT011Meta Description Tag Has Entities11-0.13-0.3955.16%
170CP104bSearch Result Publish Date2,014,085,5931,966,260,337-0.13-0.3250.67%
171CP099Search Result Number of Dirs in Path32-0.13-0.3460.75%
172CP041Ahrefs Has Redirects10-0.13-0.388.75%
173CP006Ahrefs Edu Backlinks15,003616-0.13-0.357.65%
174CP130Keywords in Article Tags16127-0.13-0.3882.38%
175CP154Keywords making whole H1, H2, and H3 Tags10-0.13-0.3773.75%
176CP451Number of US Phone Numbers1308-0.13-0.2771.08%
177CP021Ahrefs Has EDU Backlinks10-0.12-0.396.56%
178CP133Keywords in B Tags102-0.12-0.3370.60%
179CP158Keywords making whole H1-H6 Tags40-0.12-0.3674.12%
180LSI008LSI Words in H4 Tags607-0.12-0.3284.20%
181CP381aSearch Terms in Meta Descriptions10-0.12-0.3782.62%
182CP114Search Result Uses HTTPS11-0.12-0.3760.63%
183CP142Keywords in Em Tags51-0.12-0.3575.70%
184CP377Load Time Milliseconds45,8552,346-0.12-0.2665.98%
185CP347Has US Phone Number10-0.12-0.3955.77%
186CP465zKeywords in Form Tags51-0.12-0.3670.72%
187PAGE010Number of Schema Products131-0.12-0.378.99%
188CPXR015Keywords in Figure Tags1879-0.12-0.3476.06%
189CPJLD189Has JSON-LD Organization10-0.12-0.3964.16%
190CPJLD234Has JSON-LD SelfStorage10-0.12-0.221.70%
191CPXR007Number of H4 Tags254-0.12-0.3175.09%
192CPJLD122Has JSON-LD ImageObject10-0.12-0.3764.03%
193CP439Number of NoFollow Externa Links304-0.12-0.3276.18%
194CPJLD116Has JSON-LD HowToStep10-0.12-0.358.99%
195CP481bWord Count in Meta Description Tag4420-0.12-0.3267.07%
196CP479Title Has Sales Words10-0.12-0.3673.03%
197CP313Has Privacy Policy11-0.12-0.3774.00%
198CP380Meta Description Length288125-0.12-0.3268.89%
199CPJLD105Has JSON-LD HomeAndConstructionBusiness10-0.12-0.325.95%
200CP149Keywords making whole H1 Tags10-0.12-0.3770.84%


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