Top SEO Factors




Top SEO Factors - 2021-11-06      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 - 2021-11-06 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1ENT000aNumber of Entities Used6026-0.30-0.6374.17%
2CPZZZNumber of Factors Used209136-0.25-0.5290.28%
3CP470Keywords in the HTML Tag38,261186-0.25-0.5295.26%
4CP061Ahrefs Referring Class C Addresses43240-0.24-0.4120.02%
5CP063Ahrefs Referring IP Addresses1,27553-0.24-0.4020.02%
6CP059Ahrefs Rank3915-0.24-0.5017.06%
7CPX010Keywords in Div Tags22,921131-0.24-0.5294.91%
8CP062Ahrefs Referring Domains1,17354-0.24-0.3920.14%
9CP067Ahrefs Text Backlinks1,191,1206,594-0.23-0.3319.79%
10CP064Ahrefs Referring Pages1,191,1236,608-0.23-0.3319.79%
11CP002Ahrefs Backlinks1,191,1246,608-0.23-0.3319.79%
12CP134Keywords in Body Tag28,871155-0.23-0.5395.26%
13CP475Term Frequency115-0.23-0.4994.08%
14CP054Ahrefs NoFollow Backlinks12,557242-0.23-0.3619.91%
15LSI002LSI Words in Sentences3,220468-0.22-0.4895.85%
16CP161Keywords in H1-H6 Tags317-0.22-0.4891.94%
17CP129Keywords in A Tags5,15829-0.22-0.4794.55%
18CP157Keywords in H1, H2, and H3 Tags276-0.22-0.4891.00%
19CP465Keywords in P Tags19630-0.22-0.4991.47%
20CP004Ahrefs Dofollow Backlinks1,187,8816,365-0.22-0.3119.43%
21ENT003Entities in H2 Tags305-0.21-0.5070.50%
22CP153Keywords in H1 and H2 Tags164-0.21-0.4890.64%
23ENT009Entities in Title Tag62-0.21-0.5069.91%
24CP469Keywords in Sentences14221-0.21-0.4588.98%
25CP097Search Result Link Text Matches31-0.21-0.5080.69%
26CP071Search Result Display URL Matches31-0.21-0.5080.69%
27CP127bKeywords in Unique A Tag HREFs1,62331-0.21-0.4578.32%
28CP127Keywords in A Tag HREFs2,23145-0.21-0.4592.18%
29CP375Keywords in LI Tags16917-0.21-0.4794.91%
30ENT018Entities in Sentences52085-0.20-0.4397.39%
31CKWD001Clean Keyword Density in the HTML Tag2034-0.20-0.4575.71%
32GD001Google Variation Density3343-0.20-0.4770.50%
33CP481Keywords in Title Tag42-0.20-0.4782.23%
34CP165Keywords in H2 Tags153-0.20-0.4789.22%
35CP135Body Tag Size Kilobytes29582-0.20-0.4791.47%
36CPXX888Number of HTML Tags3,347901-0.19-0.4889.22%
37ENT004Entities in H3 Tags225-0.19-0.4871.21%
38CP458Page Size Kilobytes411146-0.19-0.4988.27%
39CP999Search Result Path Matches41-0.19-0.4870.50%
40CP465cKeywords in script Tags5,23436-0.19-0.4793.13%
41CP160Leading Keywords in H1-H6 Tags282-0.19-0.4489.93%
42ENT001Entities in HTML Tag3,882296-0.19-0.4097.27%
43CP492bUnabridged Word Count6,7851,713-0.19-0.4090.52%
44CP128Keywords in Alt Attributes638-0.19-0.4189.57%
45CP156Leading Keywords in H1, H2, and H3 Tags221-0.19-0.4390.05%
46CP140Clean Text Kilobytes3911-0.18-0.3990.05%
47CP134aSearch Terms in Body Tag15012-0.18-0.4390.76%
48DD010DomDetailer Majestic Referring Subnets64,41615,380-0.18-0.2729.98%
49CP019Ahrefs Has DoFollow Backlinks11-0.18-0.5019.08%
50CP492Word Count5,1071,321-0.18-0.4090.05%
51LSI001LSI Words in Title Tag145-0.18-0.4391.11%
52DD006DomDetailer Majestic IPs216,63957,239-0.18-0.2730.69%
53DD015DomDetailer Moz PA6942-0.18-0.4427.96%
54DD008DomDetailer Majestic Referring Domains1,773,913368,992-0.18-0.2730.92%
55CP381Keywords in Meta Descriptions42-0.18-0.4585.07%
56CP471Keywords in Span Tags4269-0.18-0.4092.30%
57CP108Search Result Summary Length362161-0.18-0.4287.44%
58CP146Keywords in the First 100 Words2037-0.18-0.4377.01%
59GD003Google Density Variations7,75251-0.17-0.4165.17%
60CP470aSearch Terms in the HTML Tag1818-0.17-0.4187.44%
61CP113Search Result URL Matches51-0.17-0.4379.27%
62ENT008Entities in Meta Description Tag83-0.17-0.4565.76%
63DD013DomDetailer Moz DA8443-0.17-0.4027.49%
64CP124aKeywords in Absolute URLs5,62748-0.17-0.3988.63%
65CP468Number of Sentences24250-0.17-0.3884.24%
66CP425Number of HTTPS Links581148-0.17-0.4087.68%
67DD005DomDetailer Majestic CF6136-0.17-0.4129.50%
68LSI006LSI Words in H2 Tags7812-0.17-0.4291.11%
69CPXR24Number of P Tags19736-0.17-0.4182.70%
70CP137Keywords in the Canonical URL41-0.17-0.4382.94%
71CP045Ahrefs Has Text Backlinks11-0.17-0.4819.31%
72CP431Number of Internal Links583139-0.17-0.3986.73%
73CP435Number of Links590156-0.17-0.4086.14%
74CP038Ahrefs Has NoFollow Backlinks11-0.17-0.4719.43%
75CP017Ahrefs Has Backlinks11-0.17-0.4818.84%
76CP048Ahrefs Image Backlinks10,403228-0.17-0.3118.01%
77DD012DomDetailer Majestic TF6228-0.17-0.3828.91%
78CP152Keywords in H1 Tags131-0.17-0.4179.74%
79CP410Number of DoFollow Links566149-0.17-0.3986.37%
80CP032Ahrefs Has Image Backlinks10-0.17-0.4316.82%
81CP005Ahrefs Domain Rating7840-0.17-0.4116.59%
82CPXR018Keywords in Nav Tags6,35223-0.17-0.4089.34%
83DD016DomDetailer Moz Rank85-0.17-0.4027.49%
84DD002DomDetailer Facebook Shares9,819,568-434,389-0.17-0.2730.09%
85CP476TF/IDF11-0.16-0.4681.99%
86CPXR003Number of Heading Tags5020-0.16-0.4084.24%
87ENT005Entities in H4 Tags122-0.16-0.4363.98%
88CP159aSearch Terms in H1-H6 Tags101-0.16-0.4188.63%
89CP070Ahrefs Word Count4,4241,374-0.16-0.3714.10%
90ENT002Entities in H1 Tags62-0.16-0.4063.63%
91CP426Number of Images9928-0.16-0.3686.61%
92CP169Keywords in H3 Tags822-0.16-0.3889.22%
93CP109Search Result Summary Text Matches63-0.16-0.4475.36%
94CP383Keywords in Meta OpenGraph Description41-0.16-0.4081.04%
95CP484Leading Keywords in Title Tag10-0.16-0.4578.44%
96CP385Keywords in Meta OpenGraph Content31-0.16-0.4377.73%
97CP072Search Result Document Matches61-0.16-0.4066.47%
98CPX003Keywords in Main Tags12,54956-0.16-0.4486.26%
99CP151Leading Keywords in H1 Tags10-0.16-0.4281.16%
100CP427Number of Images with Alt Text7519-0.16-0.3787.44%
101ENT013Has Entities in H2 Tags11-0.16-0.4664.34%
102DD014DomDetailer Moz Links93,672,77217,304,713-0.16-0.2630.33%
103LSI003LSI Words in Meta Description Tag348-0.16-0.3890.17%
104QS004Number of Questions In Headings51-0.15-0.3636.02%
105CP391Number of Absolute URLs388133-0.15-0.3783.77%
106DD007DomDetailer Majestic Links78,144,5327,180,098-0.15-0.1630.45%
107GD004Google Density Exact Matches423-0.15-0.4062.20%
108CPXR005Number of H2 Tags176-0.15-0.3783.65%
109CP472Keywords making whole Span Tags71-0.15-0.3886.73%
110QS003Number of Questions274-0.15-0.3680.09%
111CP125Keywords making whole A Tags41-0.15-0.3884.36%
112CP358Inline Javascript Kilobytes12231-0.15-0.3581.64%
113CP374Keywords in the last 100 words2024-0.15-0.3878.32%
114ENT010Title Tag Has Entities11-0.15-0.4157.82%
115CP050Ahrefs Internal Links37799-0.15-0.3420.50%
116CP164Leading Keywords in H2 Tags71-0.15-0.3986.14%
117CPX013Keywords in Footer Tags3,8099-0.15-0.3683.41%
118LSI005LSI Words in H1 Tags174-0.15-0.3587.32%
119LSI007LSI Words in H3 Tags7212-0.15-0.3590.88%
120CP483aSearch Terms in the Title Tag10-0.15-0.4178.08%
121CP158Keywords making whole H1-H6 Tags40-0.15-0.4179.50%
122CP477Keywords in Title Attributes2638-0.15-0.3787.91%
123CPJLDxSANumber Of JSON-LD Types628-0.14-0.3673.46%
124CP376Keywords making whole LI Tags41-0.14-0.3884.95%
125CPXR006Number of H3 Tags297-0.14-0.3485.07%
126CP126aSearch Terms in A Tags392-0.14-0.3687.20%
127DD011DomDetailer Majestic Referring .gov Links20,924,4443,755,791-0.14-0.2728.55%
128CP177Keywords in H4-H6 Tags431-0.14-0.3681.52%
129CP467Keywords in Section Tags89015-0.14-0.3982.94%
130CP413Number of External Links5716-0.14-0.3179.15%
131ENT014Has Entities in H3 Tags10-0.14-0.4262.80%
132CP173Keywords in H4 Tags351-0.14-0.3781.28%
133CP473Keywords in Strong Tags972-0.14-0.3779.38%
134CP154Keywords making whole H1, H2, and H3 Tags10-0.14-0.3979.62%
135CP007Ahrefs External Links10618-0.14-0.3218.96%
136CP130Keywords in Article Tags14817-0.14-0.3974.64%
137QS012Headings Has Question10-0.14-0.4174.29%
138CP353Head Size Kilobytes11939-0.14-0.3377.84%
139ENT012Has Entities in H1 Tags11-0.14-0.4058.18%
140CP056Ahrefs Pages61-0.13-0.3018.96%
141CP380Meta Description Length393127-0.13-0.3372.39%
142CP469aSearch Terms in Sentences181-0.13-0.3387.56%
143CP114Search Result Uses HTTPS11-0.13-0.3968.72%
144CP357Inline CSS Kilobytes7426-0.13-0.3578.91%
145CP057Ahrefs Page Size81,04928,536-0.13-0.3113.39%
146CP409Number of DoFollow External Links4914-0.13-0.2876.54%
147ENT011Meta Description Tag Has Entities11-0.13-0.4058.06%
148CP481bWord Count in Meta Description Tag7020-0.13-0.3373.22%
149CP213Has FavIcon11-0.13-0.3968.72%
150QS006Number of Questions In H2 Tags20-0.13-0.3476.54%
151CP049Ahrefs Images7021-0.13-0.3213.74%
152CP104zSearch Result Has Publish Date11-0.13-0.403.91%
153CP150aSearch Terms in H1 Tags10-0.13-0.3578.32%
154ENT015Has Entities in H4 Tags10-0.13-0.3955.57%
155CP139Keywords in Class Attributes6,49112-0.13-0.3483.18%
156CP168Leading Keywords in H3 Tags131-0.13-0.3582.58%
157CP440Number of NoFollow Links346-0.13-0.3181.40%
158CP052Ahrefs Linked Root Domains166-0.13-0.3320.14%
159DD001DomDetailer Facebook Comments30131-0.13-0.3324.05%
160CP355Keywords in ID Attributes4891-0.13-0.3483.53%
161CP099Search Result Number of Dirs in Path32-0.13-0.3361.61%
162CP377Load Time Milliseconds28,8912,461-0.13-0.2671.21%
163CP444Number of Social Accounts41-0.12-0.3272.87%
164CPJLD011Has JSON-LD Answer10-0.12-0.3956.16%
165QS007Number of Questions In H3 Tags31-0.12-0.3474.88%
166CPJLD217Has JSON-LD Question10-0.12-0.3955.92%
167CP451Number of US Phone Numbers1427-0.12-0.3276.66%
168CPXR007Number of H4 Tags224-0.12-0.3177.49%
169CP077Search Result Domain Matches50-0.12-0.3648.58%
170CP313Has Privacy Policy11-0.12-0.3774.88%
171CP460Percentage of DoFollow Internal Links9480-0.12-0.3271.45%
172LSI008LSI Words in H4 Tags445-0.12-0.3284.48%
173CP309Has OpenGraph Image11-0.12-0.3862.09%
174CP176Leading Keywords in H4-H6 Tags70-0.12-0.3575.24%
175CPJLDxCBNumber Of Claimed Brands71-0.12-0.3564.34%
176CP150a2Search Terms in H2 Tags70-0.12-0.3486.14%
177CP445Number of Social Pages133-0.12-0.2773.70%
178CP424Number of HREF Lang Tags121-0.12-0.3475.00%
179CP356Keywords in I Tags802-0.12-0.3478.55%
180CP060Ahrefs Redirects46310-0.12-0.3017.30%
181CPXR011Keywords in Button Tags3901-0.12-0.3579.86%
182CP204Has Canonical URL11-0.12-0.3673.22%
183CP432Number of JavaScript Includes3014-0.12-0.2967.54%
184CP439Number of NoFollow Externa Links233-0.12-0.3280.69%
185CP454Number of YouTube Accounts20-0.12-0.3368.96%
186CP415Number of FaceBook Pages82-0.12-0.2871.92%
187CP149Keywords making whole H1 Tags10-0.12-0.3577.73%
188CP418Number of Forms152-0.12-0.3072.51%
189CP479iiTitle Has Sentiment Words10-0.12-0.3572.51%
190CPJLD007Has JSON-LD AggregateRating10-0.12-0.3860.07%
191CP006Ahrefs Edu Backlinks47,565316-0.12-0.2913.63%
192CP430Number of Instagram Pages141-0.12-0.2775.59%
193CP034Ahrefs Has Internal Links11-0.12-0.3717.30%
194CP225Has Meta Description11-0.12-0.3667.65%
195CP428Number of Images without Alt Text3810-0.12-0.2876.90%
196CP479Title Has Sales Words10-0.12-0.3472.75%
197CP207Has Contact Page11-0.12-0.3761.61%
198CP381aSearch Terms in Meta Descriptions10-0.12-0.3482.58%
199CP491Keywords in Value Attributes341-0.12-0.3271.92%
200CP172Leading Keywords in H4 Tags50-0.11-0.3474.05%


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