Top SEO Factors




Top SEO Factors - 2021-12-28      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 - 2021-12-28 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1ENT000aNumber of Entities Used6830-0.31-0.6372.61%
2CP054Ahrefs NoFollow Backlinks5,409278-0.29-0.3711.72%
3CP063Ahrefs Referring IP Addresses45865-0.28-0.4011.72%
4CP061Ahrefs Referring Class C Addresses31050-0.28-0.4011.72%
5CP059Ahrefs Rank4118-0.28-0.559.94%
6CPZZZ50Number of Top 50 Shared Factors Used4228-0.28-0.4720.38%
7CP062Ahrefs Referring Domains48965-0.28-0.3911.59%
8CP067Ahrefs Text Backlinks71,9422,414-0.27-0.3012.10%
9CP064Ahrefs Referring Pages71,9562,621-0.27-0.3012.10%
10CP002Ahrefs Backlinks71,9562,621-0.27-0.3012.10%
11CPZZZ100Number of Top 100 Shared Factors Used7656-0.26-0.4620.64%
12CPZZZNumber of Factors Used217143-0.24-0.5091.97%
13CP470Keywords in the HTML Tag1,038203-0.24-0.5192.10%
14CP004Ahrefs Dofollow Backlinks69,3662,176-0.23-0.3012.23%
15CPZZZ200Number of Top 200 Shared Factors Used13499-0.23-0.4619.36%
16CPX010Keywords in Div Tags713138-0.23-0.4991.08%
17CP134Keywords in Body Tag980178-0.23-0.5192.87%
18LSI002LSI Words in Sentences3,406673-0.23-0.4797.45%
19ENT003Entities in H2 Tags417-0.22-0.5271.85%
20CP475Term Frequency75-0.22-0.4792.36%
21CP127bKeywords in Unique A Tag HREFs18138-0.22-0.4588.54%
22CP127Keywords in A Tag HREFs26654-0.22-0.4591.59%
23CP465Keywords in P Tags17841-0.21-0.4690.96%
24CP161Keywords in H1-H6 Tags329-0.21-0.4790.19%
25CP469Keywords in Sentences12530-0.21-0.4490.96%
26CP134aSearch Terms in Body Tag21212-0.21-0.4491.34%
27CP129Keywords in A Tags13629-0.21-0.4492.61%
28ENT009Entities in Title Tag63-0.21-0.5068.28%
29CP157Keywords in H1, H2, and H3 Tags308-0.21-0.4790.83%
30CP153Keywords in H1 and H2 Tags185-0.21-0.4888.92%
31ENT004Entities in H3 Tags367-0.21-0.4771.21%
32CP113Search Result URL Matches52-0.20-0.4979.62%
33CP470aSearch Terms in the HTML Tag2597-0.20-0.4688.15%
34CP999Search Result Path Matches52-0.20-0.5076.69%
35CP038Ahrefs Has NoFollow Backlinks11-0.20-0.5411.34%
36CP375Keywords in LI Tags7321-0.20-0.4591.08%
37DD010DomDetailer Majestic Referring Subnets44,07514,490-0.20-0.2428.79%
38CKWD001Clean Keyword Density in the HTML Tag114-0.20-0.4782.17%
39CP108Search Result Summary Length349165-0.20-0.4585.48%
40DD006DomDetailer Majestic IPs191,02748,349-0.20-0.2328.79%
41DD008DomDetailer Majestic Referring Domains1,572,195271,516-0.20-0.2328.92%
42CP488Keywords in pages top 10 most used phrases52-0.20-0.5185.86%
43DD015DomDetailer Moz PA7046-0.20-0.4627.13%
44DD005DomDetailer Majestic CF6640-0.19-0.4628.66%
45CP140Clean Text Kilobytes3112-0.19-0.4183.06%
46GD001Google Variation Density103-0.19-0.4680.00%
47CP487Keywords in pages top 5 most used phrases31-0.19-0.5086.11%
48CP492bUnabridged Word Count5,2111,894-0.19-0.4186.88%
49CP135Body Tag Size Kilobytes25286-0.19-0.4584.20%
50CP124aKeywords in Absolute URLs44257-0.19-0.4490.57%
51CP005Ahrefs Domain Rating7543-0.19-0.479.30%
52CP165Keywords in H2 Tags163-0.19-0.4493.25%
53CP160Leading Keywords in H1-H6 Tags102-0.19-0.4585.48%
54CP072Search Result Document Matches52-0.19-0.4869.55%
55CP156Leading Keywords in H1, H2, and H3 Tags62-0.19-0.4585.35%
56CP458Page Size Kilobytes325151-0.19-0.4784.08%
57CP492Word Count4,2611,476-0.19-0.4085.48%
58CP137Keywords in the Canonical URL52-0.19-0.4882.17%
59ENT018Entities in Sentences624113-0.19-0.3897.83%
60CPXX888Number of HTML Tags3,267860-0.18-0.4480.25%
61CP465cKeywords in script Tags45342-0.18-0.4291.59%
62CP159aSearch Terms in H1-H6 Tags121-0.18-0.4388.15%
63CP019Ahrefs Has DoFollow Backlinks11-0.18-0.5011.72%
64CP070Ahrefs Word Count3,2191,407-0.18-0.449.81%
65LSI001LSI Words in Title Tag146-0.18-0.4490.83%
66LSI006LSI Words in H2 Tags9018-0.18-0.4494.01%
67ENT002Entities in H1 Tags62-0.18-0.4360.76%
68DD013DomDetailer Moz DA8546-0.18-0.4227.26%
69GD004Google Density Exact Matches282-0.18-0.4069.17%
70CP468Number of Sentences20260-0.18-0.3985.48%
71CP109Search Result Summary Text Matches63-0.18-0.4880.25%
72CP486Keywords in pages top 3 most used phrases21-0.18-0.4882.04%
73CP146Keywords in the First 100 Words208-0.18-0.4478.85%
74DD012DomDetailer Majestic TF6031-0.17-0.4027.90%
75DD007DomDetailer Majestic Links173,742,59819,781,447-0.17-0.2028.92%
76CP471Keywords in Span Tags4010-0.17-0.3988.03%
77CP097Search Result Link Text Matches32-0.17-0.4573.50%
78CP071Search Result Display URL Matches32-0.17-0.4573.50%
79CP045Ahrefs Has Text Backlinks11-0.17-0.4811.34%
80CP017Ahrefs Has Backlinks11-0.17-0.4811.21%
81CPJLD131Has JSON-LD LegalService10-0.17-0.503.82%
82CP484Leading Keywords in Title Tag10-0.17-0.4872.36%
83ENT008Entities in Meta Description Tag113-0.17-0.4562.29%
84CPXR24Number of P Tags12940-0.17-0.3885.22%
85LSI003LSI Words in Meta Description Tag2810-0.17-0.4286.24%
86CP425Number of HTTPS Links446140-0.17-0.3780.25%
87CP381Keywords in Meta Descriptions52-0.17-0.4579.75%
88ENT001Entities in HTML Tag3,831353-0.17-0.3593.76%
89CP410Number of DoFollow Links436138-0.17-0.3778.09%
90CP431Number of Internal Links430125-0.17-0.3779.75%
91CP481Keywords in Title Tag32-0.17-0.4172.74%
92CPXR003Number of Heading Tags7021-0.17-0.4186.11%
93CP483aSearch Terms in the Title Tag10-0.17-0.4480.89%
94DD016DomDetailer Moz Rank85-0.16-0.4127.26%
95CPX003Keywords in Main Tags50566-0.16-0.4684.71%
96CP435Number of Links447144-0.16-0.3778.98%
97CP128Keywords in Alt Attributes568-0.16-0.3886.88%
98CP164Leading Keywords in H2 Tags31-0.16-0.4383.69%
99CP169Keywords in H3 Tags143-0.16-0.3988.15%
100DD014DomDetailer Moz Links91,215,13513,368,233-0.16-0.2328.28%
101CP048Ahrefs Image Backlinks15,977597-0.16-0.2911.21%
102LSI007LSI Words in H3 Tags17518-0.16-0.3991.21%
103GD003Google Density Variations19945-0.16-0.3974.39%
104CP032Ahrefs Has Image Backlinks10-0.16-0.4510.96%
105QS004Number of Questions In Headings71-0.16-0.3833.63%
106DD002DomDetailer Facebook Shares9,481,683-3,376,957-0.16-0.2429.68%
107CP150aSearch Terms in H1 Tags10-0.16-0.4081.40%
108CP050Ahrefs Internal Links737105-0.16-0.3111.85%
109CP151Leading Keywords in H1 Tags10-0.16-0.4374.65%
110CP057Ahrefs Page Size59,72131,956-0.16-0.349.43%
111CPXR018Keywords in Nav Tags23022-0.16-0.3986.24%
112CP476TF/IDF11-0.16-0.4477.58%
113CP469aSearch Terms in Sentences432-0.16-0.4088.28%
114CPXR005Number of H2 Tags176-0.15-0.3986.24%
115QS003Number of Questions155-0.15-0.3781.53%
116CP374Keywords in the last 100 words114-0.15-0.3779.24%
117CP358Inline Javascript Kilobytes11232-0.15-0.3683.82%
118LSI005LSI Words in H1 Tags135-0.15-0.3587.52%
119CP052Ahrefs Linked Root Domains167-0.15-0.3611.46%
120CP007Ahrefs External Links5422-0.15-0.2611.34%
121CP125Keywords making whole A Tags51-0.15-0.3783.69%
122ENT005Entities in H4 Tags132-0.15-0.4265.86%
123CP426Number of Images14028-0.15-0.3877.20%
124ENT014Has Entities in H3 Tags11-0.15-0.4459.75%
125CPX013Keywords in Footer Tags537-0.15-0.3778.47%
126ENT013Has Entities in H2 Tags11-0.15-0.4564.33%
127CP152Keywords in H1 Tags31-0.15-0.3776.18%
128CPXR006Number of H3 Tags558-0.15-0.3683.44%
129CP383Keywords in Meta OpenGraph Description122-0.14-0.3977.20%
130CP391Number of Absolute URLs489151-0.14-0.3682.80%
131CP413Number of External Links8120-0.14-0.3279.87%
132CP376Keywords making whole LI Tags51-0.14-0.3878.73%
133CPJLDxSANumber Of JSON-LD Types6410-0.14-0.3978.73%
134ENT010Title Tag Has Entities11-0.14-0.4153.76%
135CPJLD179Has JSON-LD NutritionInformation10-0.14-0.363.95%
136CP034Ahrefs Has Internal Links11-0.14-0.439.94%
137CP036Ahrefs Has Linked Root Domains11-0.14-0.439.94%
138CP427Number of Images with Alt Text11718-0.14-0.3680.13%
139DD011DomDetailer Majestic Referring .gov Links17,156,5572,233,921-0.14-0.1826.50%
140CP150a2Search Terms in H2 Tags60-0.14-0.4088.28%
141CP168Leading Keywords in H3 Tags31-0.14-0.3778.98%
142CP355Keywords in ID Attributes131-0.14-0.3981.53%
143CP477Keywords in Title Attributes798-0.14-0.3682.17%
144CP472Keywords making whole Span Tags51-0.14-0.3480.89%
145QS012Headings Has Question10-0.14-0.4174.01%
146CP473Keywords in Strong Tags173-0.14-0.3482.04%
147CP056Ahrefs Pages52-0.14-0.3110.70%
148CP485Keywords in pages most used phrase10-0.14-0.4274.01%
149ENT012Has Entities in H1 Tags11-0.14-0.4157.32%
150CP177Keywords in H4-H6 Tags132-0.14-0.3677.58%
151CP409Number of DoFollow External Links6817-0.13-0.3079.62%
152CP022Ahrefs Has External Links11-0.13-0.4110.57%
153CP385Keywords in Meta OpenGraph Content31-0.13-0.3874.52%
154CP126aSearch Terms in A Tags872-0.13-0.3486.75%
155CP139Keywords in Class Attributes1807-0.13-0.3373.76%
156CP049Ahrefs Images5417-0.13-0.329.55%
157CP467Keywords in Section Tags9220-0.13-0.3780.64%
158CP060Ahrefs Redirects9,124256-0.13-0.329.68%
159QS006Number of Questions In H2 Tags31-0.13-0.3376.43%
160CP033Ahrefs Has Images11-0.13-0.398.41%
161PAGE009Number of Prices11830-0.13-0.3317.07%
162ENT011Meta Description Tag Has Entities11-0.13-0.4054.27%
163CPXR011Keywords in Button Tags141-0.13-0.3775.41%
164QS007Number of Questions In H3 Tags31-0.13-0.3578.73%
165CPJLD011Has JSON-LD Answer10-0.13-0.4061.02%
166CP173Keywords in H4 Tags61-0.13-0.3681.78%
167CP353Head Size Kilobytes11942-0.13-0.3479.24%
168CP357Inline CSS Kilobytes7529-0.13-0.3679.11%
169CPJLD217Has JSON-LD Question10-0.13-0.4061.02%
170CP104bSearch Result Publish Date2,014,085,5931,963,934,394-0.13-0.3250.19%
171CP154Keywords making whole H1, H2, and H3 Tags10-0.13-0.3773.76%
172CP133Keywords in B Tags102-0.13-0.3470.06%
173CP381aSearch Terms in Meta Descriptions10-0.13-0.3883.06%
174CP158Keywords making whole H1-H6 Tags40-0.13-0.3674.14%
175CP130Keywords in Article Tags15726-0.13-0.3882.04%
176CP041Ahrefs Has Redirects10-0.13-0.389.04%
177CP451Number of US Phone Numbers1308-0.12-0.2770.70%
178CP099Search Result Number of Dirs in Path32-0.12-0.3461.02%
179CP347Has US Phone Number10-0.12-0.3955.67%
180LSI008LSI Words in H4 Tags607-0.12-0.3284.46%
181CP114Search Result Uses HTTPS11-0.12-0.3860.89%
182CP465zKeywords in Form Tags51-0.12-0.3672.23%
183CP142Keywords in Em Tags51-0.12-0.3575.92%
184CP006Ahrefs Edu Backlinks15,003623-0.12-0.347.90%
185CP377Load Time Milliseconds45,8552,454-0.12-0.2565.61%
186CPJLD189Has JSON-LD Organization10-0.12-0.3964.20%
187PAGE010Number of Schema Products131-0.12-0.379.43%
188CPXR015Keywords in Figure Tags1879-0.12-0.3476.31%
189CP481bWord Count in Meta Description Tag4420-0.12-0.3367.77%
190CP021Ahrefs Has EDU Backlinks10-0.12-0.386.75%
191CPJLD122Has JSON-LD ImageObject10-0.12-0.3763.31%
192CP149Keywords making whole H1 Tags10-0.12-0.3771.46%
193CP380Meta Description Length288126-0.12-0.3269.68%
194CPXR007Number of H4 Tags254-0.12-0.3175.92%
195CP439Number of NoFollow Externa Links304-0.12-0.3274.65%
196CP313Has Privacy Policy11-0.12-0.3774.27%
197CPJLDxKANumber Of JSON-LD Entity References81-0.12-0.3759.87%
198CP345Has Terms of Service10-0.12-0.3768.54%
199ENT015Has Entities in H4 Tags10-0.12-0.3753.50%
200CP428Number of Images without Alt Text7010-0.12-0.3170.06%


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