Top SEO Factors




Top SEO Factors - 2021-12-19      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 - 2021-12-19 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1ENT000aNumber of Entities Used7028-0.30-0.6266.70%
2CPZZZ50Number of Top 50 Shared Factors Used4228-0.29-0.4726.12%
3CPZZZ100Number of Top 100 Shared Factors Used7654-0.27-0.4726.41%
4CPZZZNumber of Factors Used217133-0.26-0.5191.55%
5CPZZZ200Number of Top 200 Shared Factors Used13496-0.24-0.4724.95%
6CP470Keywords in the HTML Tag1,038189-0.24-0.5192.91%
7CPX010Keywords in Div Tags713127-0.24-0.5091.65%
8CP134Keywords in Body Tag980167-0.24-0.5293.69%
9LSI002LSI Words in Sentences3,406570-0.22-0.4897.28%
10CP475Term Frequency75-0.22-0.4792.33%
11CP127bKeywords in Unique A Tag HREFs18136-0.22-0.4689.81%
12CP129Keywords in A Tags13628-0.22-0.4593.01%
13CP127Keywords in A Tag HREFs26652-0.21-0.4691.84%
14CP161Keywords in H1-H6 Tags328-0.21-0.4790.58%
15ENT003Entities in H2 Tags416-0.21-0.5065.92%
16CP157Keywords in H1, H2, and H3 Tags307-0.21-0.4691.07%
17CP465Keywords in P Tags17835-0.21-0.4791.17%
18CP153Keywords in H1 and H2 Tags184-0.21-0.4789.42%
19CP054Ahrefs NoFollow Backlinks127,8181,006-0.21-0.2413.30%
20CP469Keywords in Sentences11025-0.21-0.4590.19%
21CP375Keywords in LI Tags7319-0.21-0.4791.84%
22ENT009Entities in Title Tag62-0.20-0.4862.91%
23CP061Ahrefs Referring Class C Addresses1,20547-0.20-0.2813.40%
24CP063Ahrefs Referring IP Addresses2,16165-0.20-0.2813.40%
25CKWD001Clean Keyword Density in the HTML Tag114-0.20-0.4683.40%
26CP062Ahrefs Referring Domains2,64069-0.20-0.2813.30%
27CP999Search Result Path Matches52-0.20-0.4877.96%
28CP097Search Result Link Text Matches31-0.20-0.4777.67%
29CP071Search Result Display URL Matches31-0.20-0.4777.67%
30ENT004Entities in H3 Tags366-0.19-0.4665.92%
31CP067Ahrefs Text Backlinks260,0543,429-0.19-0.2113.59%
32CP064Ahrefs Referring Pages260,3463,587-0.19-0.2113.59%
33CP002Ahrefs Backlinks260,3463,587-0.19-0.2113.59%
34GD001Google Variation Density103-0.19-0.4581.07%
35CP059Ahrefs Rank4113-0.19-0.3912.52%
36CP160Leading Keywords in H1-H6 Tags92-0.19-0.4486.70%
37CP135Body Tag Size Kilobytes25285-0.19-0.4585.44%
38CP488Keywords in pages top 10 most used phrases52-0.19-0.4985.73%
39CP113Search Result URL Matches52-0.19-0.4680.19%
40CP134aSearch Terms in Body Tag21215-0.19-0.4291.17%
41CP470aSearch Terms in the HTML Tag25911-0.19-0.4384.76%
42CP156Leading Keywords in H1, H2, and H3 Tags61-0.19-0.4486.31%
43CP465cKeywords in script Tags45339-0.19-0.4391.17%
44CP140Clean Text Kilobytes3111-0.19-0.4084.08%
45CP137Keywords in the Canonical URL52-0.19-0.4783.59%
46CP487Keywords in pages top 5 most used phrases31-0.19-0.4885.44%
47CP165Keywords in H2 Tags163-0.19-0.4391.46%
48CP492bUnabridged Word Count5,2111,763-0.19-0.4086.50%
49CP458Page Size Kilobytes385150-0.18-0.4583.40%
50CPXX888Number of HTML Tags3,267872-0.18-0.4481.26%
51LSI001LSI Words in Title Tag145-0.18-0.4390.58%
52CP108Search Result Summary Length357158-0.18-0.4282.82%
53CP124aKeywords in Absolute URLs44252-0.18-0.4390.00%
54CP481Keywords in Title Tag32-0.18-0.4475.83%
55CP492Word Count4,2611,374-0.18-0.3984.56%
56ENT018Entities in Sentences62496-0.18-0.3797.67%
57DD005DomDetailer Majestic CF6637-0.18-0.4331.55%
58DD008DomDetailer Majestic Referring Domains1,844,588277,987-0.18-0.2532.04%
59DD010DomDetailer Majestic Referring Subnets73,43914,919-0.18-0.2532.04%
60DD006DomDetailer Majestic IPs289,38150,180-0.18-0.2532.04%
61CP381Keywords in Meta Descriptions62-0.18-0.4580.87%
62CP146Keywords in the First 100 Words197-0.18-0.4378.93%
63DD015DomDetailer Moz PA7243-0.18-0.4330.29%
64LSI006LSI Words in H2 Tags9015-0.17-0.4293.01%
65CP471Keywords in Span Tags409-0.17-0.3988.54%
66CP128Keywords in Alt Attributes568-0.17-0.3988.16%
67CP004Ahrefs Dofollow Backlinks132,1722,500-0.17-0.2313.01%
68CP109Search Result Summary Text Matches63-0.17-0.4678.64%
69ENT002Entities in H1 Tags62-0.17-0.4156.80%
70CP486Keywords in pages top 3 most used phrases21-0.17-0.4683.40%
71CP468Number of Sentences20256-0.17-0.3882.33%
72DD013DomDetailer Moz DA8744-0.17-0.4129.90%
73ENT008Entities in Meta Description Tag113-0.17-0.4457.48%
74CP425Number of HTTPS Links516146-0.17-0.3880.58%
75CP072Search Result Document Matches51-0.17-0.4369.42%
76CP410Number of DoFollow Links505145-0.17-0.3779.13%
77CP431Number of Internal Links502132-0.17-0.3780.49%
78LSI003LSI Words in Meta Description Tag289-0.17-0.4187.96%
79CP435Number of Links517150-0.16-0.3779.51%
80CP484Leading Keywords in Title Tag10-0.16-0.4674.66%
81GD003Google Density Variations19941-0.16-0.3876.41%
82ENT001Entities in HTML Tag3,831324-0.16-0.3594.37%
83CPXR003Number of Heading Tags7021-0.16-0.3983.59%
84CPXR018Keywords in Nav Tags23020-0.16-0.4086.80%
85GD004Google Density Exact Matches283-0.16-0.3868.45%
86CP152Keywords in H1 Tags31-0.16-0.3976.80%
87CPXR24Number of P Tags12937-0.16-0.3884.27%
88DD012DomDetailer Majestic TF6629-0.16-0.3830.78%
89CP159aSearch Terms in H1-H6 Tags121-0.16-0.3887.96%
90DD002DomDetailer Facebook Shares11,122,821-88,266-0.16-0.2632.14%
91CP169Keywords in H3 Tags143-0.16-0.3888.54%
92CPX003Keywords in Main Tags50557-0.16-0.4483.40%
93DD007DomDetailer Majestic Links173,742,59818,877,294-0.16-0.1731.84%
94CP164Leading Keywords in H2 Tags31-0.16-0.4184.56%
95CP476TF/IDF11-0.16-0.4379.51%
96CP151Leading Keywords in H1 Tags10-0.16-0.4276.21%
97DD016DomDetailer Moz Rank95-0.15-0.3930.10%
98QS004Number of Questions In Headings71-0.15-0.3835.53%
99LSI005LSI Words in H1 Tags134-0.15-0.3486.89%
100LSI007LSI Words in H3 Tags17515-0.15-0.3790.78%
101CP125Keywords making whole A Tags51-0.15-0.3884.56%
102CP383Keywords in Meta OpenGraph Description122-0.15-0.4078.25%
103CP038Ahrefs Has NoFollow Backlinks11-0.15-0.4112.91%
104DD014DomDetailer Moz Links113,944,22713,319,536-0.15-0.2431.55%
105CP358Inline Javascript Kilobytes12833-0.15-0.3580.87%
106QS003Number of Questions155-0.15-0.3677.77%
107CP374Keywords in the last 100 words124-0.15-0.3679.51%
108CP426Number of Images14027-0.15-0.3679.81%
109CPXR005Number of H2 Tags176-0.15-0.3782.72%
110ENT005Entities in H4 Tags132-0.15-0.4161.46%
111CP483aSearch Terms in the Title Tag10-0.15-0.3981.07%
112CP376Keywords making whole LI Tags61-0.15-0.3880.58%
113ENT013Has Entities in H2 Tags11-0.15-0.4357.96%
114CPX013Keywords in Footer Tags536-0.14-0.3681.94%
115CPJLDxSANumber Of JSON-LD Types11210-0.14-0.3878.64%
116CP427Number of Images with Alt Text11718-0.14-0.3681.17%
117CP385Keywords in Meta OpenGraph Content31-0.14-0.3976.70%
118ENT010Title Tag Has Entities11-0.14-0.4051.26%
119CP472Keywords making whole Span Tags71-0.14-0.3582.52%
120CP477Keywords in Title Attributes868-0.14-0.3683.30%
121CP391Number of Absolute URLs489147-0.14-0.3581.17%
122ENT014Has Entities in H3 Tags11-0.14-0.4254.85%
123ENT012Has Entities in H1 Tags11-0.14-0.4052.62%
124CPXR006Number of H3 Tags558-0.14-0.3481.07%
125CP413Number of External Links8119-0.14-0.3173.88%
126CP467Keywords in Section Tags9217-0.14-0.3881.55%
127CP150aSearch Terms in H1 Tags10-0.14-0.3580.97%
128CP469aSearch Terms in Sentences432-0.13-0.3687.96%
129CP177Keywords in H4-H6 Tags81-0.13-0.3680.97%
130QS012Headings Has Question10-0.13-0.4069.51%
131CP485Keywords in pages most used phrase10-0.13-0.4074.76%
132CP168Leading Keywords in H3 Tags30-0.13-0.3680.19%
133CP158Keywords making whole H1-H6 Tags30-0.13-0.3875.05%
134DD011DomDetailer Majestic Referring .gov Links19,406,4872,427,894-0.13-0.2029.61%
135CP460Percentage of DoFollow Internal Links9475-0.13-0.3367.67%
136CP154Keywords making whole H1, H2, and H3 Tags10-0.13-0.3873.79%
137CP019Ahrefs Has DoFollow Backlinks10-0.13-0.3712.62%
138CP473Keywords in Strong Tags172-0.13-0.3480.58%
139CP126aSearch Terms in A Tags872-0.13-0.3387.67%
140CP355Keywords in ID Attributes201-0.13-0.3682.91%
141ENT011Meta Description Tag Has Entities11-0.13-0.3950.58%
142CP139Keywords in Class Attributes1807-0.13-0.3273.40%
143CP409Number of DoFollow External Links6816-0.13-0.2972.52%
144QS006Number of Questions In H2 Tags30-0.13-0.3375.92%
145CP045Ahrefs Has Text Backlinks11-0.13-0.3512.91%
146PAGE009Number of Prices14731-0.13-0.3021.17%
147CP099Search Result Number of Dirs in Path42-0.12-0.3463.11%
148CP017Ahrefs Has Backlinks11-0.12-0.3512.82%
149QS007Number of Questions In H3 Tags31-0.12-0.3575.92%
150CP150a2Search Terms in H2 Tags60-0.12-0.3486.70%
151CP005Ahrefs Domain Rating7631-0.12-0.3110.49%
152CP173Keywords in H4 Tags81-0.12-0.3583.01%
153CP356Keywords in I Tags293-0.12-0.3477.18%
154CP050Ahrefs Internal Links27677-0.12-0.2313.30%
155CP451Number of US Phone Numbers1307-0.12-0.2772.82%
156CP070Ahrefs Word Count3,2191,046-0.12-0.3010.78%
157CP048Ahrefs Image Backlinks119,5161,069-0.12-0.2212.72%
158CP347Has US Phone Number10-0.12-0.3857.57%
159CP130Keywords in Article Tags15721-0.12-0.3678.74%
160CP353Head Size Kilobytes11941-0.12-0.3275.15%
161CP465zKeywords in Form Tags41-0.12-0.3573.30%
162CPXR011Keywords in Button Tags141-0.12-0.3577.86%
163CP357Inline CSS Kilobytes9127-0.12-0.3476.60%
164CP377Load Time Milliseconds45,8552,374-0.12-0.2569.42%
165LSI008LSI Words in H4 Tags606-0.12-0.3085.34%
166CP149Keywords making whole H1 Tags10-0.12-0.3772.52%
167CPJLD011Has JSON-LD Answer10-0.12-0.3657.67%
168CPJLD217Has JSON-LD Question10-0.12-0.3657.67%
169CPXR015Keywords in Figure Tags1878-0.12-0.3575.73%
170CP032Ahrefs Has Image Backlinks10-0.12-0.3312.43%
171CPXR007Number of H4 Tags254-0.12-0.3075.63%
172CP380Meta Description Length288120-0.12-0.3070.00%
173CP213Has FavIcon11-0.12-0.3866.80%
174CP428Number of Images without Alt Text7010-0.12-0.3070.29%
175CP481bWord Count in Meta Description Tag4419-0.12-0.3070.29%
176CP052Ahrefs Linked Root Domains165-0.12-0.2712.91%
177PAGE001Is Home Page10-0.12-0.338.06%
178CP133Keywords in B Tags101-0.12-0.3171.46%
179CPJLDxKANumber Of JSON-LD Entity References81-0.12-0.3659.90%
180CP381aSearch Terms in Meta Descriptions10-0.12-0.3484.95%
181CP148Flesch Kincaid Reading Grade84-0.12-0.2930.97%
182CP439Number of NoFollow Externa Links303-0.11-0.3176.12%
183CP104bSearch Result Publish Date2,014,085,5931,844,100,665-0.11-0.3042.43%
184CP319Has Schema Markup11-0.11-0.3766.50%
185CP479Title Has Sales Words10-0.11-0.3469.71%
186PAGE010Number of Schema Products131-0.11-0.369.90%
187CP007Ahrefs External Links5616-0.11-0.2113.40%
188CP445Number of Social Pages153-0.11-0.2671.75%
189DD001DomDetailer Facebook Comments42826-0.11-0.2926.41%
190CP313Has Privacy Policy11-0.11-0.3673.30%
191CP491Keywords in Value Attributes482-0.11-0.2972.04%
192CP479iiTitle Has Sentiment Words10-0.11-0.3469.51%
193CP440Number of NoFollow Links447-0.11-0.2976.21%
194CP418Number of Forms182-0.11-0.2965.92%
195CP204Has Canonical URL11-0.11-0.3763.79%
196CP114Search Result Uses HTTPS11-0.11-0.3561.26%
197ENT015Has Entities in H4 Tags10-0.11-0.3550.00%
198CPX005Keywords in Aside Tags746-0.11-0.3375.05%
199CP057Ahrefs Page Size59,72122,786-0.11-0.2410.78%
200CP415Number of FaceBook Pages92-0.11-0.2770.78%


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