Top SEO Factors




Top SEO Factors - 2021-10-29      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 - 2021-10-29 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1ENT000aNumber of Entities Used5926-0.29-0.6263.48%
2CPZZZNumber of Factors Used211134-0.25-0.5190.68%
3CP470Keywords in the HTML Tag998155-0.24-0.5194.96%
4CPX010Keywords in Div Tags693113-0.23-0.5094.84%
5CP134Keywords in Body Tag873132-0.23-0.5294.84%
6CP061Ahrefs Referring Class C Addresses43233-0.23-0.3526.07%
7CP063Ahrefs Referring IP Addresses1,27544-0.22-0.3426.07%
8CP062Ahrefs Referring Domains1,17346-0.22-0.3426.32%
9CP161Keywords in H1-H6 Tags317-0.22-0.4892.07%
10CP475Term Frequency75-0.22-0.4893.20%
11CP067Ahrefs Text Backlinks1,191,1206,303-0.22-0.2926.07%
12CP064Ahrefs Referring Pages1,191,1236,314-0.22-0.2926.07%
13CP002Ahrefs Backlinks1,191,1246,314-0.22-0.2926.07%
14CP465Keywords in P Tags19630-0.22-0.4991.94%
15CP157Keywords in H1, H2, and H3 Tags276-0.22-0.4792.44%
16CP129Keywords in A Tags14225-0.22-0.4694.08%
17ENT003Entities in H2 Tags305-0.21-0.5160.33%
18CP054Ahrefs NoFollow Backlinks12,557218-0.21-0.3225.82%
19CP059Ahrefs Rank3215-0.21-0.4423.05%
20CP097Search Result Link Text Matches31-0.21-0.5078.97%
21CP071Search Result Display URL Matches31-0.21-0.5078.97%
22CP153Keywords in H1 and H2 Tags164-0.21-0.4790.55%
23LSI002LSI Words in Sentences3,220440-0.20-0.4494.71%
24CP127bKeywords in Unique A Tag HREFs25429-0.20-0.4475.31%
25CP127Keywords in A Tag HREFs32043-0.20-0.4490.55%
26ENT009Entities in Title Tag62-0.20-0.4959.19%
27CP375Keywords in LI Tags16918-0.20-0.4794.33%
28CP469Keywords in Sentences11221-0.20-0.4590.18%
29ENT004Entities in H3 Tags215-0.20-0.4860.83%
30CP481Keywords in Title Tag42-0.20-0.4779.97%
31CP999Search Result Path Matches41-0.20-0.4970.03%
32GD001Google Variation Density103-0.19-0.4670.28%
33CKWD001Clean Keyword Density in the HTML Tag124-0.19-0.4476.83%
34CP135Body Tag Size Kilobytes20981-0.19-0.4690.05%
35CP458Page Size Kilobytes297145-0.19-0.4886.52%
36CP165Keywords in H2 Tags153-0.19-0.4687.78%
37CP004Ahrefs Dofollow Backlinks1,187,8816,211-0.19-0.2725.44%
38DD010DomDetailer Majestic Referring Subnets64,41615,717-0.19-0.2827.96%
39CP160Leading Keywords in H1-H6 Tags92-0.19-0.4487.28%
40CPXX888Number of HTML Tags3,347885-0.19-0.4786.90%
41DD006DomDetailer Majestic IPs216,63957,600-0.19-0.2828.59%
42DD015DomDetailer Moz PA6944-0.19-0.4526.20%
43CP465cKeywords in script Tags32631-0.19-0.4693.70%
44DD008DomDetailer Majestic Referring Domains1,419,744358,750-0.19-0.2828.97%
45CP156Leading Keywords in H1, H2, and H3 Tags71-0.18-0.4387.66%
46CP128Keywords in Alt Attributes637-0.18-0.4188.41%
47CP108Search Result Summary Length336162-0.18-0.4487.78%
48CP140Clean Text Kilobytes3911-0.18-0.3989.80%
49CP492bUnabridged Word Count6,7851,686-0.18-0.3990.43%
50CP381Keywords in Meta Descriptions42-0.18-0.4584.26%
51CP492Word Count5,1071,304-0.18-0.4089.67%
52CP113Search Result URL Matches41-0.18-0.4577.08%
53DD013DomDetailer Moz DA8445-0.18-0.4125.69%
54DD005DomDetailer Majestic CF6137-0.18-0.4327.33%
55CP471Keywords in Span Tags489-0.18-0.4091.56%
56CP134aSearch Terms in Body Tag15010-0.18-0.4289.55%
57CP137Keywords in the Canonical URL41-0.17-0.4484.13%
58CP146Keywords in the First 100 Words197-0.17-0.4276.70%
59CPXR24Number of P Tags19735-0.17-0.4182.87%
60CP045Ahrefs Has Text Backlinks11-0.17-0.4726.07%
61DD002DomDetailer Facebook Shares9,819,568-981,265-0.17-0.2927.33%
62DD016DomDetailer Moz Rank85-0.17-0.4125.69%
63CP038Ahrefs Has NoFollow Backlinks11-0.17-0.4725.57%
64DD012DomDetailer Majestic TF6229-0.17-0.4026.45%
65CP468Number of Sentences24249-0.17-0.3884.01%
66CP017Ahrefs Has Backlinks11-0.17-0.4725.44%
67GD003Google Density Variations19942-0.17-0.4164.74%
68ENT018Entities in Sentences52475-0.17-0.3696.47%
69LSI001LSI Words in Title Tag144-0.17-0.4090.30%
70CP124aKeywords in Absolute URLs33340-0.17-0.3887.41%
71CP425Number of HTTPS Links581144-0.17-0.3987.41%
72ENT008Entities in Meta Description Tag73-0.17-0.4454.28%
73CP019Ahrefs Has DoFollow Backlinks10-0.17-0.4625.19%
74CP152Keywords in H1 Tags31-0.17-0.4178.59%
75CP435Number of Links590151-0.17-0.3985.89%
76CPXR018Keywords in Nav Tags18018-0.17-0.3987.28%
77ENT005Entities in H4 Tags92-0.17-0.4355.92%
78CP410Number of DoFollow Links566145-0.17-0.3985.39%
79CP431Number of Internal Links583135-0.17-0.3886.15%
80CPXR003Number of Heading Tags5020-0.17-0.4083.75%
81CP476TF/IDF11-0.16-0.4680.48%
82CP169Keywords in H3 Tags122-0.16-0.3988.41%
83CP470aSearch Terms in the HTML Tag1817-0.16-0.3985.39%
84CP005Ahrefs Domain Rating7836-0.16-0.3722.42%
85CP072Search Result Document Matches41-0.16-0.4267.38%
86DD014DomDetailer Moz Links77,772,68316,766,593-0.16-0.2627.83%
87CP484Leading Keywords in Title Tag10-0.16-0.4577.58%
88CP109Search Result Summary Text Matches63-0.16-0.4475.44%
89CP383Keywords in Meta OpenGraph Description51-0.16-0.4080.35%
90ENT002Entities in H1 Tags62-0.16-0.4052.77%
91DD007DomDetailer Majestic Links78,144,5325,354,687-0.16-0.1927.96%
92CP426Number of Images8127-0.16-0.3585.01%
93LSI006LSI Words in H2 Tags7811-0.16-0.3990.93%
94CP427Number of Images with Alt Text6918-0.16-0.3685.01%
95CP151Leading Keywords in H1 Tags10-0.15-0.4277.08%
96ENT001Entities in HTML Tag3,882261-0.15-0.3396.47%
97QS003Number of Questions274-0.15-0.3779.47%
98CP385Keywords in Meta OpenGraph Content31-0.15-0.4278.46%
99CPXR005Number of H2 Tags176-0.15-0.3882.87%
100CPX003Keywords in Main Tags28543-0.15-0.4387.41%
101CP391Number of Absolute URLs372128-0.15-0.3882.12%
102CP159aSearch Terms in H1-H6 Tags101-0.15-0.3986.78%
103CP358Inline Javascript Kilobytes11232-0.15-0.3579.97%
104ENT013Has Entities in H2 Tags11-0.15-0.4655.67%
105GD004Google Density Exact Matches452-0.15-0.3960.45%
106CP472Keywords making whole Span Tags71-0.15-0.3983.88%
107QS004Number of Questions In Headings51-0.15-0.3535.39%
108CP125Keywords making whole A Tags41-0.15-0.3782.24%
109CP070Ahrefs Word Count4,4241,428-0.15-0.3413.10%
110CP374Keywords in the last 100 words124-0.15-0.3977.58%
111CPJLDxSANumber Of JSON-LD Types248-0.15-0.3671.16%
112CPX013Keywords in Footer Tags1186-0.15-0.3782.37%
113DD011DomDetailer Majestic Referring .gov Links16,846,8993,603,571-0.15-0.2826.83%
114CP164Leading Keywords in H2 Tags61-0.14-0.3984.26%
115CP050Ahrefs Internal Links34886-0.14-0.3326.70%
116CP477Keywords in Title Attributes567-0.14-0.3787.28%
117CPXR006Number of H3 Tags297-0.14-0.3384.13%
118LSI003LSI Words in Meta Description Tag287-0.14-0.3589.29%
119CP048Ahrefs Image Backlinks10,403256-0.14-0.3022.92%
120CP376Keywords making whole LI Tags31-0.14-0.3783.63%
121CP104zSearch Result Has Publish Date11-0.14-0.435.29%
122CP032Ahrefs Has Image Backlinks10-0.14-0.3921.28%
123ENT014Has Entities in H3 Tags11-0.14-0.4354.16%
124CP177Keywords in H4-H6 Tags61-0.14-0.3781.23%
125CP467Keywords in Section Tags9415-0.14-0.3983.63%
126CP173Keywords in H4 Tags51-0.14-0.3880.73%
127ENT010Title Tag Has Entities11-0.14-0.4049.24%
128CP483aSearch Terms in the Title Tag10-0.14-0.3977.46%
129CP130Keywords in Article Tags14815-0.14-0.4076.45%
130CP473Keywords in Strong Tags192-0.14-0.3681.11%
131CP158Keywords making whole H1-H6 Tags40-0.14-0.3976.07%
132CP413Number of External Links5716-0.14-0.3179.72%
133LSI007LSI Words in H3 Tags7211-0.14-0.3291.31%
134QS012Headings Has Question10-0.14-0.4272.67%
135CP126aSearch Terms in A Tags332-0.14-0.3685.77%
136ENT012Has Entities in H1 Tags11-0.14-0.4048.99%
137CP007Ahrefs External Links10616-0.14-0.3125.57%
138LSI005LSI Words in H1 Tags173-0.14-0.3186.02%
139CP357Inline CSS Kilobytes6926-0.13-0.3577.83%
140CP380Meta Description Length393128-0.13-0.3372.92%
141CP052Ahrefs Linked Root Domains166-0.13-0.3326.32%
142CP353Head Size Kilobytes13039-0.13-0.3278.59%
143QS006Number of Questions In H2 Tags20-0.13-0.3475.19%
144CP168Leading Keywords in H3 Tags20-0.13-0.3580.48%
145CP481bWord Count in Meta Description Tag7020-0.13-0.3373.68%
146CP154Keywords making whole H1, H2, and H3 Tags10-0.13-0.3876.32%
147CP409Number of DoFollow External Links4913-0.13-0.2776.32%
148CP213Has FavIcon11-0.13-0.3969.14%
149CP377Load Time Milliseconds28,8912,323-0.13-0.2773.05%
150QS007Number of Questions In H3 Tags31-0.13-0.3575.69%
151DD001DomDetailer Facebook Comments31139-0.13-0.3422.29%
152ENT015Has Entities in H4 Tags10-0.13-0.3948.24%
153CP077Search Result Domain Matches10-0.13-0.3747.10%
154CP469aSearch Terms in Sentences211-0.13-0.3387.15%
155CP056Ahrefs Pages61-0.13-0.2824.94%
156CP114Search Result Uses HTTPS11-0.13-0.3766.88%
157CP355Keywords in ID Attributes161-0.13-0.3482.87%
158CP099Search Result Number of Dirs in Path32-0.13-0.3363.10%
159CP313Has Privacy Policy11-0.13-0.3974.94%
160CP139Keywords in Class Attributes1476-0.13-0.3384.76%
161CP440Number of NoFollow Links466-0.13-0.3079.85%
162CP451Number of US Phone Numbers1166-0.12-0.3377.08%
163ENT011Meta Description Tag Has Entities11-0.12-0.3948.61%
164CPJLD011Has JSON-LD Answer10-0.12-0.3857.43%
165CPJLD217Has JSON-LD Question10-0.12-0.3857.56%
166CPXR007Number of H4 Tags224-0.12-0.3279.60%
167CPXR011Keywords in Button Tags141-0.12-0.3578.59%
168CP460Percentage of DoFollow Internal Links9479-0.12-0.3171.03%
169CP150aSearch Terms in H1 Tags10-0.12-0.3376.45%
170CP444Number of Social Accounts41-0.12-0.3274.81%
171CPJLDxCBNumber Of Claimed Brands61-0.12-0.3562.22%
172CP225Has Meta Description11-0.12-0.3766.88%
173CP176Leading Keywords in H4-H6 Tags40-0.12-0.3575.44%
174CP445Number of Social Pages133-0.12-0.2774.81%
175CP309Has OpenGraph Image11-0.12-0.3861.84%
176CP356Keywords in I Tags122-0.12-0.3377.96%
177CP022Ahrefs Has External Links11-0.12-0.3722.67%
178CP415Number of FaceBook Pages72-0.12-0.2872.80%
179CP096Search Result Link Text Length6850-0.12-0.3458.94%
180CP172Leading Keywords in H4 Tags30-0.12-0.3573.30%
181CP439Number of NoFollow Externa Links233-0.12-0.3181.23%
182CP006Ahrefs Edu Backlinks47,565324-0.12-0.3115.74%
183CP207Has Contact Page11-0.12-0.3760.71%
184CP104bSearch Result Publish Date2,004,926,7791,950,794,605-0.12-0.3537.78%
185CP432Number of JavaScript Includes3015-0.12-0.3068.89%
186CP204Has Canonical URL11-0.12-0.3672.04%
187CP418Number of Forms102-0.12-0.3172.67%
188CP491Keywords in Value Attributes511-0.12-0.3368.51%
189CP034Ahrefs Has Internal Links11-0.12-0.3622.92%
190CP479iiTitle Has Sentiment Words10-0.12-0.3570.78%
191CPJLD007Has JSON-LD AggregateRating10-0.12-0.3859.32%
192CP036Ahrefs Has Linked Root Domains11-0.12-0.3623.43%
193CP479Title Has Sales Words10-0.12-0.3571.41%
194CP133Keywords in B Tags612-0.12-0.3374.31%
195CP049Ahrefs Images6219-0.12-0.2813.10%
196LSI008LSI Words in H4 Tags445-0.12-0.3185.89%
197CP414Number of Facebook Accounts31-0.12-0.3171.28%
198CP208Has Copyright11-0.12-0.3770.15%
199CP430Number of Instagram Pages141-0.12-0.2776.57%
200CP454Number of YouTube Accounts10-0.11-0.3368.89%


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