Top SEO Factors




Top SEO Factors - 2021-10-27      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 - 2021-10-27 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1ENT000aNumber of Entities Used5928-0.30-0.6360.33%
2CPZZZNumber of Factors Used211135-0.25-0.5190.83%
3CP470Keywords in the HTML Tag16,251176-0.24-0.5194.94%
4CPX010Keywords in Div Tags10,802128-0.23-0.5094.53%
5CP134Keywords in Body Tag12,179148-0.23-0.5294.53%
6CP061Ahrefs Referring Class C Addresses43234-0.22-0.3528.86%
7CP063Ahrefs Referring IP Addresses1,27544-0.22-0.3428.86%
8CP062Ahrefs Referring Domains1,17347-0.22-0.3329.14%
9CP161Keywords in H1-H6 Tags1237-0.22-0.4892.61%
10CP067Ahrefs Text Backlinks1,191,1206,435-0.22-0.2828.86%
11CP475Term Frequency95-0.22-0.4893.43%
12CP465Keywords in P Tags95631-0.22-0.5091.79%
13CP157Keywords in H1, H2, and H3 Tags996-0.22-0.4792.89%
14ENT003Entities in H2 Tags305-0.22-0.5158.28%
15CP002Ahrefs Backlinks1,191,1246,449-0.22-0.2828.86%
16CP064Ahrefs Referring Pages1,191,1236,449-0.22-0.2828.86%
17CP129Keywords in A Tags1,34025-0.21-0.4693.84%
18CP059Ahrefs Rank3215-0.21-0.4425.72%
19CP054Ahrefs NoFollow Backlinks12,557225-0.21-0.3228.59%
20CP153Keywords in H1 and H2 Tags524-0.21-0.4891.66%
21CP097Search Result Link Text Matches31-0.21-0.5080.16%
22CP071Search Result Display URL Matches31-0.21-0.5080.16%
23ENT009Entities in Title Tag62-0.21-0.5056.63%
24CP127bKeywords in Unique A Tag HREFs1,38231-0.21-0.4575.79%
25CP127Keywords in A Tag HREFs1,02545-0.21-0.4592.20%
26CP469Keywords in Sentences81422-0.20-0.4690.97%
27LSI002LSI Words in Sentences3,220447-0.20-0.4494.25%
28ENT004Entities in H3 Tags215-0.20-0.4858.41%
29CP375Keywords in LI Tags36618-0.20-0.4694.66%
30CP999Search Result Path Matches42-0.20-0.5073.05%
31GD001Google Variation Density3183-0.20-0.4770.31%
32CP481Keywords in Title Tag112-0.20-0.4680.57%
33CKWD001Clean Keyword Density in the HTML Tag1794-0.19-0.4477.43%
34CP165Keywords in H2 Tags393-0.19-0.4788.65%
35DD010DomDetailer Majestic Referring Subnets64,41615,391-0.19-0.2829.41%
36CP004Ahrefs Dofollow Backlinks1,187,8816,289-0.19-0.2628.18%
37DD015DomDetailer Moz PA6944-0.19-0.4527.63%
38CP135Body Tag Size Kilobytes20979-0.19-0.4689.47%
39CP160Leading Keywords in H1-H6 Tags132-0.19-0.4487.14%
40DD006DomDetailer Majestic IPs216,63955,799-0.19-0.2730.10%
41CP458Page Size Kilobytes297144-0.19-0.4885.36%
42DD008DomDetailer Majestic Referring Domains1,419,744341,734-0.19-0.2730.51%
43CP465cKeywords in script Tags7,98446-0.19-0.4693.71%
44CP113Search Result URL Matches42-0.19-0.4776.06%
45CPXX888Number of HTML Tags3,347841-0.19-0.4686.05%
46CP156Leading Keywords in H1, H2, and H3 Tags101-0.18-0.4387.55%
47CP108Search Result Summary Length353163-0.18-0.4587.28%
48CP140Clean Text Kilobytes3710-0.18-0.3988.78%
49CP128Keywords in Alt Attributes1567-0.18-0.4187.69%
50CP492bUnabridged Word Count6,7851,663-0.18-0.3990.01%
51DD013DomDetailer Moz DA8445-0.18-0.4127.09%
52CP137Keywords in the Canonical URL91-0.18-0.4683.45%
53CP492Word Count5,1071,284-0.18-0.4089.19%
54DD005DomDetailer Majestic CF6137-0.18-0.4428.73%
55CP381Keywords in Meta Descriptions342-0.18-0.4584.13%
56CP471Keywords in Span Tags3619-0.18-0.4091.52%
57CP134aSearch Terms in Body Tag15011-0.17-0.4289.47%
58GD003Google Density Variations7,37853-0.17-0.4264.71%
59DD002DomDetailer Facebook Shares9,819,568-1,084,621-0.17-0.3028.73%
60DD016DomDetailer Moz Rank85-0.17-0.4127.22%
61CP146Keywords in the First 100 Words1827-0.17-0.4279.48%
62CP124aKeywords in Absolute URLs2,68946-0.17-0.3989.33%
63CPXR018Keywords in Nav Tags1,61021-0.17-0.4087.82%
64CP045Ahrefs Has Text Backlinks11-0.17-0.4728.59%
65CP468Number of Sentences24249-0.17-0.3884.27%
66CPXR24Number of P Tags19735-0.17-0.4182.76%
67CP038Ahrefs Has NoFollow Backlinks11-0.17-0.4728.32%
68LSI001LSI Words in Title Tag144-0.17-0.4090.70%
69DD012DomDetailer Majestic TF6229-0.17-0.4027.91%
70ENT008Entities in Meta Description Tag73-0.17-0.4451.44%
71CP017Ahrefs Has Backlinks11-0.17-0.4728.04%
72CP019Ahrefs Has DoFollow Backlinks11-0.17-0.4527.77%
73CP152Keywords in H1 Tags131-0.17-0.4079.62%
74CP425Number of HTTPS Links383135-0.17-0.3986.32%
75CPXR003Number of Heading Tags5020-0.17-0.4084.95%
76CP169Keywords in H3 Tags472-0.17-0.3988.10%
77ENT005Entities in H4 Tags92-0.16-0.4354.86%
78CP476TF/IDF11-0.16-0.4681.12%
79CP470aSearch Terms in the HTML Tag1817-0.16-0.4084.82%
80CP435Number of Links386141-0.16-0.3984.68%
81ENT018Entities in Sentences52477-0.16-0.3595.76%
82CP431Number of Internal Links377125-0.16-0.3884.95%
83CP410Number of DoFollow Links381136-0.16-0.3884.27%
84DD014DomDetailer Moz Links77,772,68315,643,794-0.16-0.2629.14%
85CP072Search Result Document Matches41-0.16-0.4370.31%
86CP005Ahrefs Domain Rating7837-0.16-0.3724.76%
87LSI006LSI Words in H2 Tags7811-0.16-0.4091.52%
88CP383Keywords in Meta OpenGraph Description402-0.16-0.4180.71%
89DD007DomDetailer Majestic Links78,144,5325,276,748-0.16-0.1929.55%
90CP484Leading Keywords in Title Tag10-0.16-0.4576.88%
91CP426Number of Images8126-0.16-0.3684.82%
92CP109Search Result Summary Text Matches493-0.16-0.4376.61%
93ENT002Entities in H1 Tags62-0.16-0.3951.44%
94CP385Keywords in Meta OpenGraph Content81-0.16-0.4278.80%
95CPXR005Number of H2 Tags176-0.16-0.3884.13%
96CP427Number of Images with Alt Text6917-0.16-0.3684.27%
97QS003Number of Questions275-0.15-0.3881.40%
98CP151Leading Keywords in H1 Tags10-0.15-0.4176.61%
99ENT013Has Entities in H2 Tags11-0.15-0.4653.21%
100CPX003Keywords in Main Tags4,54849-0.15-0.4388.78%
101CP159aSearch Terms in H1-H6 Tags101-0.15-0.3987.00%
102CP391Number of Absolute URLs372128-0.15-0.3881.94%
103GD004Google Density Exact Matches452-0.15-0.4058.82%
104CP125Keywords making whole A Tags41-0.15-0.3783.31%
105CP374Keywords in the last 100 words1814-0.15-0.3979.75%
106CPJLDxSANumber Of JSON-LD Types248-0.15-0.3669.08%
107CP358Inline Javascript Kilobytes11231-0.15-0.3579.75%
108QS004Number of Questions In Headings51-0.15-0.3437.76%
109ENT001Entities in HTML Tag1,507267-0.15-0.3296.03%
110CP472Keywords making whole Span Tags71-0.15-0.3983.72%
111CPX013Keywords in Footer Tags8597-0.15-0.3683.86%
112CPXR006Number of H3 Tags297-0.15-0.3484.40%
113DD011DomDetailer Majestic Referring .gov Links16,846,8993,396,003-0.15-0.2728.45%
114CP164Leading Keywords in H2 Tags61-0.14-0.3985.09%
115CP050Ahrefs Internal Links34887-0.14-0.3329.27%
116CP477Keywords in Title Attributes666-0.14-0.3786.87%
117LSI003LSI Words in Meta Description Tag297-0.14-0.3588.37%
118CP473Keywords in Strong Tags462-0.14-0.3683.17%
119CP048Ahrefs Image Backlinks10,403260-0.14-0.3025.31%
120ENT014Has Entities in H3 Tags11-0.14-0.4352.12%
121CP376Keywords making whole LI Tags31-0.14-0.3783.86%
122CP070Ahrefs Word Count4,4241,446-0.14-0.3314.23%
123CP032Ahrefs Has Image Backlinks10-0.14-0.3923.39%
124CP177Keywords in H4-H6 Tags61-0.14-0.3781.94%
125ENT010Title Tag Has Entities11-0.14-0.3946.37%
126CP104zSearch Result Has Publish Date11-0.14-0.426.02%
127CP467Keywords in Section Tags39016-0.14-0.3983.72%
128CP130Keywords in Article Tags46916-0.14-0.4078.66%
129CP173Keywords in H4 Tags51-0.14-0.3781.53%
130LSI007LSI Words in H3 Tags7212-0.14-0.3391.11%
131CP158Keywords making whole H1-H6 Tags40-0.14-0.3975.24%
132CP483aSearch Terms in the Title Tag10-0.14-0.3978.11%
133QS012Headings Has Question10-0.14-0.4273.60%
134LSI005LSI Words in H1 Tags173-0.14-0.3185.77%
135CP126aSearch Terms in A Tags332-0.13-0.3586.18%
136CP413Number of External Links5716-0.13-0.3078.11%
137CP007Ahrefs External Links10616-0.13-0.3128.18%
138CP357Inline CSS Kilobytes8126-0.13-0.3477.98%
139CP168Leading Keywords in H3 Tags50-0.13-0.3679.75%
140CP353Head Size Kilobytes13040-0.13-0.3179.75%
141ENT012Has Entities in H1 Tags11-0.13-0.3947.33%
142QS006Number of Questions In H2 Tags20-0.13-0.3476.47%
143CP213Has FavIcon11-0.13-0.4069.36%
144CP139Keywords in Class Attributes3,26010-0.13-0.3583.99%
145CP052Ahrefs Linked Root Domains166-0.13-0.3328.86%
146CP377Load Time Milliseconds28,8912,322-0.13-0.2772.23%
147CP313Has Privacy Policy11-0.13-0.4074.42%
148CP355Keywords in ID Attributes161-0.13-0.3682.49%
149CP469aSearch Terms in Sentences211-0.13-0.3387.14%
150CP154Keywords making whole H1, H2, and H3 Tags20-0.13-0.3775.51%
151CP380Meta Description Length393126-0.13-0.3272.37%
152QS007Number of Questions In H3 Tags31-0.13-0.3577.84%
153CP099Search Result Number of Dirs in Path32-0.13-0.3361.83%
154CP114Search Result Uses HTTPS11-0.13-0.3766.21%
155DD001DomDetailer Facebook Comments31141-0.13-0.3423.94%
156CP409Number of DoFollow External Links4913-0.13-0.2675.10%
157CP077Search Result Domain Matches10-0.13-0.3749.38%
158CP481bWord Count in Meta Description Tag7020-0.13-0.3272.78%
159ENT015Has Entities in H4 Tags10-0.13-0.3846.65%
160CP451Number of US Phone Numbers1166-0.13-0.3376.06%
161CP460Percentage of DoFollow Internal Links9479-0.12-0.3171.96%
162CP056Ahrefs Pages61-0.12-0.2827.77%
163CP440Number of NoFollow Links466-0.12-0.3078.52%
164CPJLD011Has JSON-LD Answer10-0.12-0.3860.05%
165CPXR007Number of H4 Tags224-0.12-0.3280.16%
166CPJLD217Has JSON-LD Question10-0.12-0.3860.33%
167ENT011Meta Description Tag Has Entities11-0.12-0.3845.55%
168CPXR011Keywords in Button Tags3291-0.12-0.3579.21%
169CP207Has Contact Page11-0.12-0.3860.60%
170CP479iiTitle Has Sentiment Words10-0.12-0.3770.59%
171CPJLDxCBNumber Of Claimed Brands61-0.12-0.3559.92%
172CP356Keywords in I Tags242-0.12-0.3379.34%
173CP176Leading Keywords in H4-H6 Tags40-0.12-0.3575.65%
174CP309Has OpenGraph Image11-0.12-0.3862.38%
175CP150aSearch Terms in H1 Tags10-0.12-0.3376.88%
176CP479Title Has Sales Words10-0.12-0.3670.45%
177CP432Number of JavaScript Includes3014-0.12-0.2969.77%
178CP418Number of Forms92-0.12-0.3172.09%
179CP096Search Result Link Text Length7350-0.12-0.3460.60%
180CP204Has Canonical URL11-0.12-0.3672.78%
181CP104bSearch Result Publish Date2,004,926,7791,939,786,829-0.12-0.3540.77%
182CP133Keywords in B Tags612-0.12-0.3474.01%
183CP172Leading Keywords in H4 Tags30-0.12-0.3574.56%
184CP445Number of Social Pages133-0.12-0.2672.91%
185CP439Number of NoFollow Externa Links232-0.12-0.3180.57%
186CP006Ahrefs Edu Backlinks47,565322-0.12-0.3017.51%
187CP225Has Meta Description11-0.12-0.3666.62%
188CP208Has Copyright11-0.12-0.3770.18%
189CP022Ahrefs Has External Links11-0.12-0.3624.90%
190CP491Keywords in Value Attributes511-0.12-0.3367.85%
191CP444Number of Social Accounts41-0.12-0.3173.19%
192CP345Has Terms of Service10-0.12-0.3669.77%
193CP424Number of HREF Lang Tags121-0.12-0.3375.51%
194CP434Number of LinkedIn Pages20-0.12-0.3270.59%
195CPXR015Keywords in Figure Tags2216-0.12-0.3474.42%
196CP415Number of FaceBook Pages72-0.12-0.2770.59%
197CP347Has US Phone Number10-0.11-0.3758.55%
198LSI008LSI Words in H4 Tags445-0.11-0.3086.32%
199CP414Number of Facebook Accounts31-0.11-0.3170.73%
200CP034Ahrefs Has Internal Links11-0.11-0.3525.17%


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