Top SEO Factors




Top SEO Factors - 2021-11-23      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 - 2021-11-23 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1ENT000aNumber of Entities Used7326-0.30-0.6274.98%
2CPZZZNumber of Factors Used205133-0.26-0.5290.47%
3CP470Keywords in the HTML Tag38,261223-0.24-0.5196.06%
4CP134Keywords in Body Tag29,333188-0.23-0.5195.51%
5CP061Ahrefs Referring Class C Addresses1,26064-0.23-0.3916.59%
6CP062Ahrefs Referring Domains2,775103-0.23-0.3816.68%
7CP475Term Frequency115-0.23-0.4994.87%
8CP054Ahrefs NoFollow Backlinks128,2582,180-0.23-0.3516.41%
9CPX010Keywords in Div Tags22,921150-0.23-0.5095.14%
10CP063Ahrefs Referring IP Addresses2,25295-0.23-0.3816.59%
11CP067Ahrefs Text Backlinks1,191,12010,224-0.22-0.3116.50%
12LSI002LSI Words in Sentences2,731511-0.22-0.4896.61%
13CP064Ahrefs Referring Pages1,191,12310,226-0.22-0.3116.50%
14CP002Ahrefs Backlinks1,191,12410,226-0.22-0.3116.50%
15CP059Ahrefs Rank3915-0.22-0.4714.67%
16CP129Keywords in A Tags5,15837-0.22-0.4795.88%
17ENT009Entities in Title Tag62-0.22-0.5170.21%
18CP161Keywords in H1-H6 Tags1508-0.21-0.4892.48%
19CP465Keywords in P Tags2,18633-0.21-0.4993.31%
20CP157Keywords in H1, H2, and H3 Tags1036-0.21-0.4791.93%
21ENT003Entities in H2 Tags295-0.21-0.5072.14%
22CP097Search Result Link Text Matches71-0.21-0.5179.84%
23CP071Search Result Display URL Matches71-0.21-0.5179.84%
24CP153Keywords in H1 and H2 Tags424-0.21-0.4790.28%
25CP469Keywords in Sentences14221-0.20-0.4589.28%
26CP135Body Tag Size Kilobytes30787-0.20-0.4891.20%
27CP375Keywords in LI Tags97119-0.20-0.4794.87%
28ENT018Entities in Sentences56286-0.20-0.4498.08%
29CP004Ahrefs Dofollow Backlinks1,187,8817,770-0.20-0.3116.13%
30CP127bKeywords in Unique A Tag HREFs1,70235-0.20-0.4482.40%
31CP127Keywords in A Tag HREFs2,43451-0.20-0.4493.22%
32CKWD001Clean Keyword Density in the HTML Tag2044-0.20-0.4578.28%
33CPZZZ100Number of Top 100 Shared Factors Used7457-0.20-0.491.19%
34CP465cKeywords in script Tags5,79849-0.20-0.4792.85%
35CPZZZ200Number of Top 200 Shared Factors Used12899-0.20-0.481.19%
36CP458Page Size Kilobytes411152-0.19-0.4886.62%
37ENT001Entities in HTML Tag3,882307-0.19-0.4197.34%
38CP481Keywords in Title Tag82-0.19-0.4780.02%
39CP165Keywords in H2 Tags503-0.19-0.4689.55%
40CPXX888Number of HTML Tags2,937914-0.19-0.4786.62%
41CP488Keywords in pages top 10 most used phrases222-0.19-0.4783.87%
42ENT004Entities in H3 Tags245-0.19-0.4772.69%
43DD010DomDetailer Majestic Referring Subnets64,41614,727-0.19-0.2327.77%
44CP492bUnabridged Word Count6,7851,682-0.19-0.4189.46%
45DD006DomDetailer Majestic IPs248,22455,520-0.19-0.2328.14%
46GD001Google Variation Density3393-0.19-0.4474.43%
47LSI001LSI Words in Title Tag145-0.18-0.4390.01%
48CP140Clean Text Kilobytes3911-0.18-0.4089.55%
49DD008DomDetailer Majestic Referring Domains1,796,281357,974-0.18-0.2428.51%
50DD015DomDetailer Moz PA6942-0.18-0.4525.85%
51CP999Search Result Path Matches141-0.18-0.4572.78%
52CP492Word Count5,1071,310-0.18-0.4088.08%
53CP160Leading Keywords in H1-H6 Tags312-0.18-0.4290.56%
54DD013DomDetailer Moz DA8441-0.18-0.4125.02%
55CP156Leading Keywords in H1, H2, and H3 Tags231-0.18-0.4289.92%
56CP487Keywords in pages top 5 most used phrases111-0.18-0.4783.13%
57DD005DomDetailer Majestic CF6135-0.18-0.4227.68%
58CP134aSearch Terms in Body Tag21413-0.18-0.4290.01%
59CP019Ahrefs Has DoFollow Backlinks11-0.18-0.4715.12%
60CP128Keywords in Alt Attributes2158-0.17-0.3991.02%
61CP471Keywords in Span Tags42610-0.17-0.4191.84%
62CP381Keywords in Meta Descriptions932-0.17-0.4483.04%
63DD012DomDetailer Majestic TF6227-0.17-0.3827.22%
64CP146Keywords in the First 100 Words2077-0.17-0.4377.91%
65ENT008Entities in Meta Description Tag1083-0.17-0.4566.36%
66CP425Number of HTTPS Links581152-0.17-0.4085.33%
67DD002DomDetailer Facebook Shares9,819,568456,875-0.17-0.2527.59%
68CP470aSearch Terms in the HTML Tag2149-0.17-0.4084.97%
69CP108Search Result Summary Length412160-0.17-0.4187.44%
70LSI006LSI Words in H2 Tags6414-0.17-0.4292.30%
71CP124aKeywords in Absolute URLs9,07261-0.17-0.3987.72%
72DD007DomDetailer Majestic Links99,759,6468,732,001-0.17-0.1927.77%
73CP045Ahrefs Has Text Backlinks11-0.17-0.4515.40%
74CP070Ahrefs Word Count3,5601,324-0.17-0.3912.10%
75ENT002Entities in H1 Tags62-0.17-0.4264.16%
76CP431Number of Internal Links583140-0.17-0.3985.24%
77DD016DomDetailer Moz Rank84-0.17-0.4124.47%
78CP109Search Result Summary Text Matches213-0.17-0.4577.91%
79CP038Ahrefs Has NoFollow Backlinks11-0.17-0.4515.40%
80CP137Keywords in the Canonical URL51-0.17-0.4282.22%
81CP017Ahrefs Has Backlinks11-0.17-0.4515.49%
82CP468Number of Sentences24249-0.17-0.3882.58%
83CP486Keywords in pages top 3 most used phrases61-0.17-0.4581.94%
84CPXR018Keywords in Nav Tags6,45432-0.17-0.4190.10%
85CP152Keywords in H1 Tags131-0.16-0.4177.82%
86CP435Number of Links590157-0.16-0.3984.69%
87GD003Google Density Variations7,75265-0.16-0.3969.20%
88CP410Number of DoFollow Links566151-0.16-0.3884.97%
89CPXR24Number of P Tags19736-0.16-0.3982.77%
90CP113Search Result URL Matches211-0.16-0.4178.92%
91CP476TF/IDF11-0.16-0.4681.67%
92ENT005Entities in H4 Tags132-0.16-0.4366.18%
93CPZZZ50Number of Top 50 Shared Factors Used4231-0.16-0.361.28%
94CP048Ahrefs Image Backlinks119,7502,028-0.16-0.3315.03%
95CP032Ahrefs Has Image Backlinks10-0.16-0.4314.02%
96DD014DomDetailer Moz Links93,672,77217,034,675-0.16-0.2327.31%
97CP159aSearch Terms in H1-H6 Tags111-0.16-0.4087.63%
98ENT013Has Entities in H2 Tags11-0.16-0.4664.07%
99CPX003Keywords in Main Tags15,49082-0.16-0.4485.15%
100CP383Keywords in Meta OpenGraph Description922-0.16-0.4178.00%
101CPXR003Number of Heading Tags5320-0.16-0.3983.50%
102QS004Number of Questions In Headings61-0.16-0.3941.52%
103CP169Keywords in H3 Tags822-0.15-0.3890.28%
104ENT010Title Tag Has Entities11-0.15-0.4258.30%
105LSI003LSI Words in Meta Description Tag3499-0.15-0.3889.83%
106CP151Leading Keywords in H1 Tags10-0.15-0.4277.27%
107CP484Leading Keywords in Title Tag10-0.15-0.4475.34%
108CP005Ahrefs Domain Rating7837-0.15-0.3813.20%
109CP358Inline Javascript Kilobytes15734-0.15-0.3481.94%
110CP385Keywords in Meta OpenGraph Content111-0.15-0.4275.07%
111CP072Search Result Document Matches131-0.15-0.4065.99%
112CP426Number of Images9929-0.15-0.3484.23%
113PAGE010Number of Schema Products10-0.15-0.520.18%
114LSI005LSI Words in H1 Tags174-0.15-0.3685.88%
115CP391Number of Absolute URLs434138-0.15-0.3680.93%
116CP057Ahrefs Page Size81,04929,081-0.15-0.3211.27%
117QS003Number of Questions274-0.15-0.3578.74%
118CP125Keywords making whole A Tags41-0.15-0.3783.32%
119CP427Number of Images with Alt Text7519-0.15-0.3585.33%
120CP050Ahrefs Internal Links38497-0.15-0.3216.41%
121CP472Keywords making whole Span Tags71-0.15-0.3884.51%
122CP164Leading Keywords in H2 Tags81-0.14-0.3885.98%
123CP467Keywords in Section Tags89015-0.14-0.4183.04%
124LSI007LSI Words in H3 Tags7013-0.14-0.3591.48%
125CP376Keywords making whole LI Tags41-0.14-0.3881.21%
126CP374Keywords in the last 100 words2024-0.14-0.3778.74%
127ENT012Has Entities in H1 Tags11-0.14-0.4258.39%
128CP483aSearch Terms in the Title Tag20-0.14-0.4079.10%
129GD004Google Density Exact Matches352-0.14-0.3665.44%
130CPXR005Number of H2 Tags176-0.14-0.3685.06%
131CP477Keywords in Title Attributes2638-0.14-0.3687.35%
132ENT014Has Entities in H3 Tags10-0.14-0.4261.50%
133CPX013Keywords in Footer Tags3,80913-0.14-0.3684.05%
134CPJLDxSANumber Of JSON-LD Types1219-0.14-0.3772.87%
135CP158Keywords making whole H1-H6 Tags20-0.14-0.4077.36%
136DD011DomDetailer Majestic Referring .gov Links20,976,5833,701,285-0.14-0.2525.30%
137CP177Keywords in H4-H6 Tags431-0.14-0.3680.93%
138CP007Ahrefs External Links7418-0.14-0.2915.77%
139CP353Head Size Kilobytes10140-0.14-0.3473.88%
140CP126aSearch Terms in A Tags642-0.14-0.3587.44%
141CP154Keywords making whole H1, H2, and H3 Tags20-0.14-0.3976.44%
142CP473Keywords in Strong Tags1133-0.13-0.3778.00%
143CP173Keywords in H4 Tags351-0.13-0.3682.77%
144CP049Ahrefs Images7020-0.13-0.3211.27%
145CP413Number of External Links7217-0.13-0.3174.15%
146CPXR006Number of H3 Tags307-0.13-0.3283.59%
147CP377Load Time Milliseconds35,9552,374-0.13-0.2670.39%
148CP357Inline CSS Kilobytes7427-0.13-0.3577.27%
149CP056Ahrefs Pages52-0.13-0.2915.40%
150CP052Ahrefs Linked Root Domains206-0.13-0.3216.96%
151ENT011Meta Description Tag Has Entities11-0.13-0.4057.10%
152ENT015Has Entities in H4 Tags10-0.13-0.4056.19%
153CP130Keywords in Article Tags1,49021-0.13-0.3773.24%
154CP485Keywords in pages most used phrase20-0.13-0.3875.07%
155CP409Number of DoFollow External Links6915-0.13-0.2970.85%
156CP168Leading Keywords in H3 Tags131-0.13-0.3583.78%
157QS012Headings Has Question10-0.13-0.4073.14%
158CP451Number of US Phone Numbers1427-0.13-0.3176.90%
159CP440Number of NoFollow Links316-0.13-0.3081.21%
160CP213Has FavIcon11-0.13-0.3869.02%
161CPXR007Number of H4 Tags314-0.13-0.3276.63%
162CP469aSearch Terms in Sentences252-0.13-0.3186.53%
163CP022Ahrefs Has External Links11-0.12-0.3814.02%
164CP380Meta Description Length3,814130-0.12-0.3270.85%
165QS006Number of Questions In H2 Tags30-0.12-0.3476.17%
166PAGE007Is Article Page10-0.12-0.350.46%
167DD001DomDetailer Facebook Comments21618-0.12-0.3019.80%
168CP481bWord Count in Meta Description Tag60121-0.12-0.3271.22%
169CP099Search Result Number of Dirs in Path42-0.12-0.3360.86%
170CP139Keywords in Class Attributes6,49119-0.12-0.3380.57%
171CP428Number of Images without Alt Text3810-0.12-0.2974.34%
172CPJLD011Has JSON-LD Answer10-0.12-0.3854.17%
173PAGE009Number of Prices6131-0.12-0.270.73%
174CPJLD217Has JSON-LD Question10-0.12-0.3853.99%
175CP319Has Schema Markup11-0.12-0.3969.75%
176CP355Keywords in ID Attributes7162-0.12-0.3382.77%
177CP424Number of HREF Lang Tags142-0.12-0.3473.33%
178CP150aSearch Terms in H1 Tags10-0.12-0.3477.64%
179LSI008LSI Words in H4 Tags456-0.12-0.3284.14%
180CP356Keywords in I Tags802-0.12-0.3478.64%
181CPJLD007Has JSON-LD AggregateRating10-0.12-0.3861.50%
182QS007Number of Questions In H3 Tags30-0.12-0.3373.51%
183PAGE004Is Purchase Page11-0.12-0.310.27%
184CP034Ahrefs Has Internal Links11-0.12-0.3714.57%
185CP149Keywords making whole H1 Tags10-0.12-0.3674.61%
186CP479iiTitle Has Sentiment Words10-0.12-0.3569.20%
187CP439Number of NoFollow Externa Links263-0.12-0.3178.92%
188CP176Leading Keywords in H4-H6 Tags80-0.12-0.3574.89%
189CP445Number of Social Pages153-0.12-0.2771.22%
190CP444Number of Social Accounts61-0.12-0.3070.12%
191CP432Number of JavaScript Includes2914-0.12-0.3068.29%
192CP479Title Has Sales Words10-0.12-0.3569.48%
193CP460Percentage of DoFollow Internal Links9779-0.12-0.3073.97%
194CPXR011Keywords in Button Tags4101-0.12-0.3580.84%
195CP150a2Search Terms in H2 Tags70-0.12-0.3283.96%
196PAGE006Is Category Page10-0.12-0.390.27%
197BYTES01Bytes To First P Tag76,30352,209-0.12-0.3454.17%
198CP114Search Result Uses HTTPS11-0.12-0.3662.97%
199CP036Ahrefs Has Linked Root Domains11-0.12-0.3614.67%
200CP418Number of Forms182-0.11-0.3168.10%


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