Top SEO Factors




Top SEO Factors - 2021-11-04      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 - 2021-11-04 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1ENT000aNumber of Entities Used6026-0.30-0.6374.23%
2CPZZZNumber of Factors Used209135-0.25-0.5190.54%
3CP470Keywords in the HTML Tag998152-0.25-0.5295.39%
4CPX010Keywords in Div Tags693111-0.24-0.5195.15%
5CP061Ahrefs Referring Class C Addresses43243-0.24-0.3920.80%
6CP063Ahrefs Referring IP Addresses1,27557-0.24-0.3820.80%
7CP134Keywords in Body Tag873130-0.23-0.5395.27%
8CP062Ahrefs Referring Domains1,17356-0.23-0.3821.04%
9CP067Ahrefs Text Backlinks1,191,1206,484-0.23-0.3320.57%
10CP059Ahrefs Rank3916-0.23-0.4817.85%
11CP064Ahrefs Referring Pages1,191,1236,497-0.23-0.3320.57%
12CP002Ahrefs Backlinks1,191,1246,497-0.23-0.3320.57%
13CP475Term Frequency75-0.23-0.4994.21%
14CP161Keywords in H1-H6 Tags317-0.23-0.5092.20%
15CP157Keywords in H1, H2, and H3 Tags276-0.22-0.4991.61%
16CP129Keywords in A Tags13425-0.22-0.4794.44%
17CP465Keywords in P Tags19630-0.22-0.5092.08%
18CP054Ahrefs NoFollow Backlinks12,557266-0.22-0.3620.69%
19LSI002LSI Words in Sentences3,220465-0.22-0.4796.10%
20ENT003Entities in H2 Tags305-0.22-0.5170.57%
21CP153Keywords in H1 and H2 Tags164-0.22-0.4990.90%
22CP097Search Result Link Text Matches31-0.21-0.5180.50%
23CP071Search Result Display URL Matches31-0.21-0.5180.50%
24CP127bKeywords in Unique A Tag HREFs14229-0.21-0.4577.42%
25ENT009Entities in Title Tag62-0.21-0.5069.62%
26CP127Keywords in A Tag HREFs21842-0.21-0.4591.96%
27CP469Keywords in Sentences14221-0.21-0.4589.13%
28CP004Ahrefs Dofollow Backlinks1,187,8816,180-0.21-0.3020.69%
29CP375Keywords in LI Tags16917-0.21-0.4794.80%
30GD001Google Variation Density102-0.20-0.4869.98%
31CKWD001Clean Keyword Density in the HTML Tag124-0.20-0.4577.19%
32CP481Keywords in Title Tag42-0.20-0.4881.21%
33CP999Search Result Path Matches41-0.20-0.4969.03%
34ENT018Entities in Sentences52485-0.20-0.4297.40%
35ENT004Entities in H3 Tags225-0.20-0.4871.51%
36CP165Keywords in H2 Tags153-0.20-0.4889.01%
37CP135Body Tag Size Kilobytes29582-0.20-0.4791.25%
38CPXX888Number of HTML Tags3,347891-0.19-0.4889.01%
39CP458Page Size Kilobytes368145-0.19-0.4987.94%
40DD010DomDetailer Majestic Referring Subnets64,41615,666-0.19-0.2929.91%
41CP160Leading Keywords in H1-H6 Tags92-0.19-0.4489.95%
42CP465cKeywords in script Tags44431-0.19-0.4793.38%
43DD006DomDetailer Majestic IPs216,63958,128-0.19-0.2830.61%
44CP128Keywords in Alt Attributes637-0.19-0.4288.42%
45DD008DomDetailer Majestic Referring Domains1,773,913372,944-0.19-0.2930.97%
46DD015DomDetailer Moz PA6943-0.19-0.4528.25%
47CP156Leading Keywords in H1, H2, and H3 Tags71-0.19-0.4490.07%
48CP140Clean Text Kilobytes3911-0.19-0.3990.31%
49CP492bUnabridged Word Count6,7851,695-0.18-0.3990.90%
50ENT001Entities in HTML Tag3,882291-0.18-0.3997.52%
51CP492Word Count5,1071,310-0.18-0.4090.43%
52CP134aSearch Terms in Body Tag15011-0.18-0.4390.66%
53LSI001LSI Words in Title Tag145-0.18-0.4390.43%
54CP381Keywords in Meta Descriptions42-0.18-0.4684.40%
55DD005DomDetailer Majestic CF6137-0.18-0.4429.67%
56CP146Keywords in the First 100 Words197-0.18-0.4377.07%
57CP471Keywords in Span Tags489-0.18-0.4091.61%
58CP108Search Result Summary Length334162-0.18-0.4388.18%
59DD013DomDetailer Moz DA8444-0.18-0.4127.90%
60CP113Search Result URL Matches51-0.18-0.4477.90%
61GD003Google Density Variations19941-0.18-0.4265.01%
62DD012DomDetailer Majestic TF6229-0.17-0.4128.96%
63CP137Keywords in the Canonical URL41-0.17-0.4482.86%
64CP019Ahrefs Has DoFollow Backlinks11-0.17-0.4820.21%
65CPXR24Number of P Tags19735-0.17-0.4283.33%
66CP470aSearch Terms in the HTML Tag1818-0.17-0.4186.76%
67CP124aKeywords in Absolute URLs33341-0.17-0.3988.18%
68ENT008Entities in Meta Description Tag82-0.17-0.4565.72%
69CP152Keywords in H1 Tags31-0.17-0.4279.31%
70CP425Number of HTTPS Links581146-0.17-0.4088.18%
71DD016DomDetailer Moz Rank85-0.17-0.4127.78%
72CP468Number of Sentences24249-0.17-0.3884.28%
73LSI006LSI Words in H2 Tags7812-0.17-0.4291.37%
74DD002DomDetailer Facebook Shares9,819,568-486,651-0.17-0.3029.55%
75CP045Ahrefs Has Text Backlinks11-0.17-0.4820.33%
76CP038Ahrefs Has NoFollow Backlinks11-0.17-0.4720.45%
77CP435Number of Links590154-0.17-0.3986.64%
78CP431Number of Internal Links583138-0.17-0.3987.12%
79CP017Ahrefs Has Backlinks11-0.17-0.4819.86%
80CPXR018Keywords in Nav Tags18017-0.17-0.4088.89%
81CP476TF/IDF11-0.17-0.4780.97%
82CP410Number of DoFollow Links566147-0.17-0.3986.64%
83CP005Ahrefs Domain Rating7840-0.17-0.4117.61%
84CPXR003Number of Heading Tags5020-0.17-0.4184.63%
85ENT005Entities in H4 Tags122-0.16-0.4364.30%
86CP169Keywords in H3 Tags122-0.16-0.3990.54%
87ENT002Entities in H1 Tags62-0.16-0.4162.77%
88CP032Ahrefs Has Image Backlinks10-0.16-0.4317.61%
89CP383Keywords in Meta OpenGraph Description41-0.16-0.4180.38%
90CP109Search Result Summary Text Matches63-0.16-0.4476.60%
91CP072Search Result Document Matches41-0.16-0.4265.84%
92DD014DomDetailer Moz Links93,672,77217,493,307-0.16-0.2530.26%
93CP159aSearch Terms in H1-H6 Tags101-0.16-0.4188.89%
94CP426Number of Images9928-0.16-0.3686.76%
95DD007DomDetailer Majestic Links78,144,5325,888,244-0.16-0.1930.26%
96CP484Leading Keywords in Title Tag10-0.16-0.4578.13%
97CP048Ahrefs Image Backlinks10,403267-0.16-0.3119.03%
98CP385Keywords in Meta OpenGraph Content31-0.16-0.4377.54%
99CP427Number of Images with Alt Text7518-0.16-0.3786.76%
100CPX003Keywords in Main Tags28944-0.16-0.4486.76%
101CP151Leading Keywords in H1 Tags10-0.16-0.4280.02%
102QS004Number of Questions In Headings51-0.16-0.3636.41%
103ENT013Has Entities in H2 Tags11-0.15-0.4664.42%
104GD004Google Density Exact Matches422-0.15-0.4060.99%
105CPXR005Number of H2 Tags176-0.15-0.3883.69%
106CP070Ahrefs Word Count4,4241,402-0.15-0.3614.42%
107CP391Number of Absolute URLs388131-0.15-0.3783.33%
108QS003Number of Questions274-0.15-0.3780.14%
109CP472Keywords making whole Span Tags71-0.15-0.3986.88%
110LSI003LSI Words in Meta Description Tag347-0.15-0.3790.07%
111CP358Inline Javascript Kilobytes12231-0.15-0.3580.97%
112CP374Keywords in the last 100 words124-0.15-0.3878.01%
113CP164Leading Keywords in H2 Tags61-0.15-0.4085.70%
114CP050Ahrefs Internal Links37796-0.15-0.3421.63%
115CP125Keywords making whole A Tags41-0.15-0.3784.28%
116CPX013Keywords in Footer Tags1186-0.15-0.3783.45%
117DD011DomDetailer Majestic Referring .gov Links20,924,4443,794,988-0.15-0.2828.25%
118ENT010Title Tag Has Entities11-0.15-0.4157.09%
119LSI007LSI Words in H3 Tags7212-0.15-0.3491.61%
120CP477Keywords in Title Attributes527-0.15-0.3787.59%
121CPJLDxSANumber Of JSON-LD Types628-0.15-0.3672.81%
122LSI005LSI Words in H1 Tags174-0.15-0.3486.52%
123CP483aSearch Terms in the Title Tag10-0.14-0.4177.42%
124CPXR006Number of H3 Tags297-0.14-0.3485.22%
125CP376Keywords making whole LI Tags41-0.14-0.3885.22%
126CP158Keywords making whole H1-H6 Tags40-0.14-0.4078.96%
127CP177Keywords in H4-H6 Tags81-0.14-0.3881.21%
128CP467Keywords in Section Tags9415-0.14-0.4082.86%
129CP126aSearch Terms in A Tags392-0.14-0.3687.35%
130CP130Keywords in Article Tags14817-0.14-0.4174.59%
131ENT014Has Entities in H3 Tags11-0.14-0.4363.12%
132CP413Number of External Links5716-0.14-0.3179.31%
133CP473Keywords in Strong Tags202-0.14-0.3779.31%
134CP173Keywords in H4 Tags71-0.14-0.3880.97%
135QS012Headings Has Question10-0.14-0.4274.47%
136CP154Keywords making whole H1, H2, and H3 Tags10-0.14-0.3978.96%
137CP007Ahrefs External Links10617-0.14-0.3120.09%
138ENT012Has Entities in H1 Tags11-0.14-0.4057.45%
139CP353Head Size Kilobytes11938-0.13-0.3277.90%
140CP213Has FavIcon11-0.13-0.4068.32%
141CP380Meta Description Length393127-0.13-0.3372.22%
142CP114Search Result Uses HTTPS11-0.13-0.3967.85%
143QS006Number of Questions In H2 Tags21-0.13-0.3575.77%
144CP056Ahrefs Pages61-0.13-0.2820.33%
145CP469aSearch Terms in Sentences212-0.13-0.3387.23%
146CP357Inline CSS Kilobytes7425-0.13-0.3578.72%
147CP052Ahrefs Linked Root Domains166-0.13-0.3421.16%
148CP409Number of DoFollow External Links4914-0.13-0.2876.48%
149CP481bWord Count in Meta Description Tag7020-0.13-0.3373.17%
150CP168Leading Keywords in H3 Tags20-0.13-0.3582.86%
151CP099Search Result Number of Dirs in Path32-0.13-0.3461.94%
152CP104zSearch Result Has Publish Date11-0.13-0.404.02%
153ENT011Meta Description Tag Has Entities11-0.13-0.3957.92%
154ENT015Has Entities in H4 Tags10-0.13-0.3955.44%
155CP139Keywords in Class Attributes745-0.13-0.3483.22%
156DD001DomDetailer Facebook Comments31132-0.13-0.3323.88%
157CP150aSearch Terms in H1 Tags10-0.13-0.3577.66%
158CP355Keywords in ID Attributes161-0.13-0.3583.81%
159QS007Number of Questions In H3 Tags31-0.13-0.3575.41%
160CPJLD011Has JSON-LD Answer10-0.13-0.3957.21%
161CPJLD217Has JSON-LD Question10-0.13-0.3956.97%
162CP377Load Time Milliseconds28,8912,412-0.13-0.2670.21%
163CP440Number of NoFollow Links346-0.13-0.3080.61%
164CP049Ahrefs Images7020-0.13-0.3014.18%
165CP444Number of Social Accounts41-0.12-0.3274.47%
166CP077Search Result Domain Matches10-0.12-0.3748.46%
167CP309Has OpenGraph Image11-0.12-0.3961.94%
168CP460Percentage of DoFollow Internal Links9480-0.12-0.3270.92%
169CP313Has Privacy Policy11-0.12-0.3874.35%
170CP451Number of US Phone Numbers1427-0.12-0.3276.83%
171CPXR007Number of H4 Tags224-0.12-0.3178.84%
172CP176Leading Keywords in H4-H6 Tags40-0.12-0.3574.94%
173CP356Keywords in I Tags122-0.12-0.3478.72%
174CP432Number of JavaScript Includes3014-0.12-0.3068.56%
175CP415Number of FaceBook Pages82-0.12-0.2872.10%
176CP445Number of Social Pages133-0.12-0.2774.70%
177CP424Number of HREF Lang Tags121-0.12-0.3475.18%
178CP034Ahrefs Has Internal Links11-0.12-0.3718.20%
179CPXR011Keywords in Button Tags150-0.12-0.3580.14%
180LSI008LSI Words in H4 Tags445-0.12-0.3284.99%
181CP207Has Contact Page11-0.12-0.3861.23%
182CP204Has Canonical URL11-0.12-0.3772.81%
183CPJLDxCBNumber Of Claimed Brands71-0.12-0.3463.59%
184CP057Ahrefs Page Size61,32428,855-0.12-0.2813.59%
185CP150a2Search Terms in H2 Tags70-0.12-0.3386.29%
186CP225Has Meta Description11-0.12-0.3766.78%
187CP454Number of YouTube Accounts10-0.12-0.3469.86%
188CPJLD007Has JSON-LD AggregateRating10-0.12-0.3859.22%
189CP022Ahrefs Has External Links11-0.12-0.3717.61%
190CP430Number of Instagram Pages141-0.12-0.2776.60%
191CP172Leading Keywords in H4 Tags30-0.12-0.3573.29%
192CP006Ahrefs Edu Backlinks47,565316-0.12-0.2914.54%
193CP491Keywords in Value Attributes341-0.12-0.3370.21%
194CP060Ahrefs Redirects46310-0.12-0.2918.09%
195CP428Number of Images without Alt Text389-0.12-0.2877.54%
196CP439Number of NoFollow Externa Links233-0.12-0.3180.61%
197CP036Ahrefs Has Linked Root Domains11-0.12-0.3618.68%
198CP319Has Schema Markup11-0.12-0.3773.40%
199CP418Number of Forms122-0.12-0.3071.39%
200CP479iiTitle Has Sentiment Words10-0.12-0.3571.75%


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