Top SEO Factors




Top SEO Factors - 2021-10-26      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 - 2021-10-26 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1ENT000aNumber of Entities Used5928-0.29-0.6358.80%
2CPZZZNumber of Factors Used211135-0.25-0.5090.31%
3CP470Keywords in the HTML Tag16,251177-0.24-0.5194.54%
4CPX010Keywords in Div Tags10,802128-0.23-0.5094.13%
5CP134Keywords in Body Tag12,179148-0.23-0.5294.54%
6CP061Ahrefs Referring Class C Addresses43235-0.22-0.3428.79%
7CP161Keywords in H1-H6 Tags1237-0.22-0.4892.22%
8CP063Ahrefs Referring IP Addresses1,27546-0.22-0.3328.79%
9CP465Keywords in P Tags95632-0.22-0.5091.27%
10CP062Ahrefs Referring Domains1,17348-0.22-0.3329.06%
11CP475Term Frequency95-0.22-0.4792.77%
12CP157Keywords in H1, H2, and H3 Tags996-0.22-0.4792.36%
13ENT003Entities in H2 Tags305-0.21-0.5156.75%
14CP067Ahrefs Text Backlinks1,191,1206,623-0.21-0.2829.06%
15CP129Keywords in A Tags1,34026-0.21-0.4593.45%
16CP002Ahrefs Backlinks1,191,1246,637-0.21-0.2729.06%
17CP064Ahrefs Referring Pages1,191,1236,637-0.21-0.2729.06%
18ENT009Entities in Title Tag62-0.21-0.5055.25%
19CP097Search Result Link Text Matches31-0.21-0.5079.54%
20CP071Search Result Display URL Matches31-0.21-0.5079.54%
21CP153Keywords in H1 and H2 Tags524-0.21-0.4791.41%
22CP059Ahrefs Rank3215-0.21-0.4325.65%
23CP054Ahrefs NoFollow Backlinks10,378189-0.21-0.3128.79%
24CP127Keywords in A Tag HREFs1,02546-0.21-0.4591.95%
25CP127bKeywords in Unique A Tag HREFs5,29538-0.21-0.4474.49%
26ENT004Entities in H3 Tags215-0.20-0.4856.62%
27LSI002LSI Words in Sentences3,220465-0.20-0.4494.27%
28CP469Keywords in Sentences81423-0.20-0.4690.72%
29CP375Keywords in LI Tags36619-0.20-0.4694.13%
30GD001Google Variation Density3183-0.20-0.4768.76%
31CP999Search Result Path Matches42-0.20-0.4973.53%
32CKWD001Clean Keyword Density in the HTML Tag1794-0.20-0.4475.44%
33CP481Keywords in Title Tag112-0.19-0.4680.35%
34CP165Keywords in H2 Tags393-0.19-0.4688.40%
35CP135Body Tag Size Kilobytes28179-0.19-0.4688.95%
36DD010DomDetailer Majestic Referring Subnets64,41615,108-0.19-0.2730.15%
37DD015DomDetailer Moz PA6943-0.19-0.4528.51%
38DD006DomDetailer Majestic IPs216,63954,648-0.19-0.2730.83%
39CP160Leading Keywords in H1-H6 Tags312-0.19-0.4486.77%
40CP458Page Size Kilobytes480144-0.19-0.4784.99%
41DD008DomDetailer Majestic Referring Domains1,419,744334,922-0.19-0.2731.11%
42CP004Ahrefs Dofollow Backlinks1,187,8816,518-0.19-0.2628.24%
43CPXX888Number of HTML Tags3,347851-0.19-0.4685.40%
44CP113Search Result URL Matches42-0.19-0.4776.26%
45CP465cKeywords in script Tags34,26879-0.18-0.4593.32%
46CP140Clean Text Kilobytes3311-0.18-0.3988.13%
47CP108Search Result Summary Length353163-0.18-0.4586.08%
48CP156Leading Keywords in H1, H2, and H3 Tags241-0.18-0.4387.31%
49CP492bUnabridged Word Count4,7901,694-0.18-0.3989.90%
50CP128Keywords in Alt Attributes1567-0.18-0.4186.77%
51CP137Keywords in the Canonical URL91-0.18-0.4682.95%
52CP492Word Count3,8471,305-0.18-0.4088.81%
53DD013DomDetailer Moz DA8445-0.18-0.4127.83%
54CP471Keywords in Span Tags36110-0.18-0.4090.86%
55DD005DomDetailer Majestic CF6136-0.18-0.4229.60%
56CP381Keywords in Meta Descriptions342-0.18-0.4583.90%
57CP134aSearch Terms in Body Tag15011-0.17-0.4189.50%
58GD003Google Density Variations7,37854-0.17-0.4263.30%
59CP468Number of Sentences14649-0.17-0.3883.63%
60CP124aKeywords in Absolute URLs13,71160-0.17-0.3989.22%
61DD016DomDetailer Moz Rank85-0.17-0.4128.10%
62DD002DomDetailer Facebook Shares9,819,568-1,282,843-0.17-0.2929.74%
63CPXR24Number of P Tags12435-0.17-0.4182.67%
64CP146Keywords in the First 100 Words1827-0.17-0.4279.54%
65LSI001LSI Words in Title Tag144-0.17-0.4090.31%
66CPXR018Keywords in Nav Tags1,61021-0.17-0.4087.04%
67CP169Keywords in H3 Tags472-0.17-0.4087.18%
68ENT008Entities in Meta Description Tag73-0.17-0.4449.80%
69CP045Ahrefs Has Text Backlinks11-0.17-0.4628.51%
70DD012DomDetailer Majestic TF6229-0.17-0.3928.79%
71CPXR003Number of Heading Tags5020-0.17-0.4184.45%
72CP038Ahrefs Has NoFollow Backlinks11-0.17-0.4628.38%
73ENT005Entities in H4 Tags92-0.16-0.4352.80%
74CP425Number of HTTPS Links414137-0.16-0.3885.95%
75CP017Ahrefs Has Backlinks11-0.16-0.4627.97%
76CP152Keywords in H1 Tags131-0.16-0.4079.40%
77CP435Number of Links417144-0.16-0.3884.31%
78CP470aSearch Terms in the HTML Tag1817-0.16-0.4084.58%
79CP431Number of Internal Links400128-0.16-0.3784.58%
80CP019Ahrefs Has DoFollow Backlinks10-0.16-0.4427.56%
81CP476TF/IDF11-0.16-0.4680.76%
82CP410Number of DoFollow Links415138-0.16-0.3783.90%
83DD014DomDetailer Moz Links77,772,68315,233,224-0.16-0.2530.01%
84LSI006LSI Words in H2 Tags7812-0.16-0.4091.27%
85CP072Search Result Document Matches41-0.16-0.4270.53%
86CP005Ahrefs Domain Rating7836-0.16-0.3824.69%
87DD007DomDetailer Majestic Links78,144,5325,484,939-0.16-0.1930.29%
88ENT018Entities in Sentences52475-0.16-0.3495.63%
89ENT002Entities in H1 Tags62-0.16-0.3949.80%
90CP109Search Result Summary Text Matches493-0.16-0.4375.85%
91CP426Number of Images8126-0.16-0.3683.90%
92CP484Leading Keywords in Title Tag10-0.16-0.4476.53%
93CP383Keywords in Meta OpenGraph Description402-0.16-0.4080.49%
94QS003Number of Questions255-0.16-0.3881.45%
95CPXR005Number of H2 Tags176-0.16-0.3883.63%
96CP385Keywords in Meta OpenGraph Content81-0.15-0.4277.90%
97CP427Number of Images with Alt Text6917-0.15-0.3683.49%
98CPX003Keywords in Main Tags4,54849-0.15-0.4388.68%
99CP391Number of Absolute URLs435129-0.15-0.3881.86%
100ENT013Has Entities in H2 Tags11-0.15-0.4651.57%
101CP374Keywords in the last 100 words1814-0.15-0.3978.72%
102CP151Leading Keywords in H1 Tags10-0.15-0.4176.26%
103GD004Google Density Exact Matches452-0.15-0.4057.03%
104QS004Number of Questions In Headings51-0.15-0.3537.93%
105CP159aSearch Terms in H1-H6 Tags101-0.15-0.3887.18%
106CPXR006Number of H3 Tags297-0.15-0.3483.90%
107CPJLDxSANumber Of JSON-LD Types248-0.15-0.3667.80%
108CP358Inline Javascript Kilobytes13331-0.15-0.3579.54%
109CP125Keywords making whole A Tags41-0.15-0.3782.54%
110CP472Keywords making whole Span Tags71-0.15-0.3883.49%
111CPX013Keywords in Footer Tags8597-0.15-0.3583.49%
112CP164Leading Keywords in H2 Tags91-0.14-0.3984.45%
113DD011DomDetailer Majestic Referring .gov Links16,846,8993,314,499-0.14-0.2629.20%
114ENT001Entities in HTML Tag1,893262-0.14-0.3195.50%
115CP477Keywords in Title Attributes666-0.14-0.3686.63%
116LSI003LSI Words in Meta Description Tag297-0.14-0.3587.99%
117CP473Keywords in Strong Tags462-0.14-0.3682.67%
118LSI007LSI Words in H3 Tags12012-0.14-0.3390.59%
119ENT014Has Entities in H3 Tags11-0.14-0.4250.89%
120CP050Ahrefs Internal Links34887-0.14-0.3129.33%
121CP467Keywords in Section Tags39016-0.14-0.3983.90%
122CP130Keywords in Article Tags46916-0.14-0.4078.44%
123CP177Keywords in H4-H6 Tags61-0.14-0.3781.86%
124ENT010Title Tag Has Entities11-0.14-0.3944.61%
125CP173Keywords in H4 Tags51-0.14-0.3781.31%
126QS012Headings Has Question10-0.14-0.4273.40%
127CP376Keywords making whole LI Tags31-0.14-0.3783.63%
128CP048Ahrefs Image Backlinks10,403273-0.14-0.2925.38%
129CP158Keywords making whole H1-H6 Tags40-0.14-0.3875.03%
130CP032Ahrefs Has Image Backlinks10-0.14-0.3823.33%
131LSI005LSI Words in H1 Tags174-0.13-0.3185.27%
132CP168Leading Keywords in H3 Tags130-0.13-0.3679.81%
133CP483aSearch Terms in the Title Tag10-0.13-0.3878.31%
134CP413Number of External Links5716-0.13-0.2978.04%
135CP126aSearch Terms in A Tags332-0.13-0.3585.95%
136ENT012Has Entities in H1 Tags11-0.13-0.3946.25%
137CP355Keywords in ID Attributes161-0.13-0.3781.58%
138CP104zSearch Result Has Publish Date11-0.13-0.406.68%
139CP070Ahrefs Word Count4,4241,401-0.13-0.3014.46%
140QS006Number of Questions In H2 Tags21-0.13-0.3476.67%
141CP213Has FavIcon11-0.13-0.3968.49%
142CP139Keywords in Class Attributes3,26010-0.13-0.3583.22%
143CP357Inline CSS Kilobytes8126-0.13-0.3477.76%
144CP007Ahrefs External Links10616-0.13-0.2927.97%
145CP469aSearch Terms in Sentences212-0.13-0.3487.04%
146CP353Head Size Kilobytes13039-0.13-0.3279.81%
147CP052Ahrefs Linked Root Domains166-0.13-0.3328.65%
148CP313Has Privacy Policy11-0.13-0.4074.62%
149QS007Number of Questions In H3 Tags31-0.13-0.3577.08%
150CP377Load Time Milliseconds28,8912,277-0.13-0.2772.17%
151CP380Meta Description Length393126-0.13-0.3272.44%
152CP154Keywords making whole H1, H2, and H3 Tags20-0.13-0.3775.58%
153CP099Search Result Number of Dirs in Path32-0.13-0.3361.66%
154CP409Number of DoFollow External Links4913-0.13-0.2674.49%
155CP077Search Result Domain Matches10-0.13-0.3749.39%
156CP114Search Result Uses HTTPS11-0.13-0.3665.48%
157DD001DomDetailer Facebook Comments31141-0.13-0.3324.69%
158ENT015Has Entities in H4 Tags10-0.13-0.3845.02%
159CP440Number of NoFollow Links466-0.12-0.3077.76%
160CP481bWord Count in Meta Description Tag7020-0.12-0.3273.26%
161CP460Percentage of DoFollow Internal Links9479-0.12-0.3172.17%
162CPXR007Number of H4 Tags224-0.12-0.3279.67%
163CPJLD011Has JSON-LD Answer10-0.12-0.3859.89%
164CPJLD217Has JSON-LD Question10-0.12-0.3860.16%
165ENT011Meta Description Tag Has Entities11-0.12-0.3843.93%
166CP451Number of US Phone Numbers1166-0.12-0.3276.13%
167CP056Ahrefs Pages61-0.12-0.2727.97%
168CPJLDxCBNumber Of Claimed Brands61-0.12-0.3558.39%
169CP479iiTitle Has Sentiment Words10-0.12-0.3770.12%
170CP356Keywords in I Tags242-0.12-0.3478.99%
171CP207Has Contact Page11-0.12-0.3860.44%
172CPXR011Keywords in Button Tags3291-0.12-0.3579.26%
173CP133Keywords in B Tags612-0.12-0.3473.94%
174CP479Title Has Sales Words10-0.12-0.3669.71%
175CP418Number of Forms92-0.12-0.3172.17%
176CP309Has OpenGraph Image11-0.12-0.3761.94%
177CP439Number of NoFollow Externa Links232-0.12-0.3280.08%
178CP176Leading Keywords in H4-H6 Tags40-0.12-0.3475.85%
179CP172Leading Keywords in H4 Tags30-0.12-0.3574.35%
180CP096Search Result Link Text Length7350-0.12-0.3460.98%
181CP208Has Copyright11-0.12-0.3769.99%
182CP104bSearch Result Publish Date2,004,926,7791,924,999,137-0.12-0.3541.06%
183CP432Number of JavaScript Includes3014-0.12-0.2969.71%
184CP445Number of Social Pages133-0.12-0.2672.17%
185CP444Number of Social Accounts41-0.12-0.3173.53%
186CP204Has Canonical URL11-0.12-0.3672.71%
187CP225Has Meta Description11-0.12-0.3666.44%
188CP434Number of LinkedIn Pages20-0.12-0.3370.53%
189CP150aSearch Terms in H1 Tags10-0.12-0.3277.22%
190CP424Number of HREF Lang Tags121-0.12-0.3374.76%
191CP491Keywords in Value Attributes511-0.12-0.3367.53%
192CP345Has Terms of Service10-0.12-0.3569.85%
193CPXR015Keywords in Figure Tags2216-0.12-0.3474.35%
194CP150a2Search Terms in H2 Tags70-0.11-0.3285.40%
195CP414Number of Facebook Accounts31-0.11-0.3170.26%
196CP006Ahrefs Edu Backlinks47,565318-0.11-0.3017.87%
197CP481aWord Count in Title Tag138-0.11-0.2962.76%
198CP415Number of FaceBook Pages72-0.11-0.2769.30%
199CP022Ahrefs Has External Links11-0.11-0.3524.97%
200LSI008LSI Words in H4 Tags445-0.11-0.3086.08%


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