Top SEO Factors




Top SEO Factors - 2021-11-11      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 - 2021-11-11 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1ENT000aNumber of Entities Used6325-0.30-0.6372.86%
2CPZZZNumber of Factors Used209136-0.25-0.5289.10%
3CP470Keywords in the HTML Tag38,261183-0.25-0.5295.33%
4CPX010Keywords in Div Tags22,921129-0.24-0.5295.11%
5CP061Ahrefs Referring Class C Addresses43238-0.24-0.4018.24%
6CP063Ahrefs Referring IP Addresses1,27552-0.24-0.3918.24%
7CP059Ahrefs Rank3915-0.23-0.4914.91%
8CP062Ahrefs Referring Domains1,17352-0.23-0.3918.35%
9CP067Ahrefs Text Backlinks1,191,1206,139-0.23-0.3417.91%
10CP134Keywords in Body Tag28,871153-0.23-0.5295.22%
11CP064Ahrefs Referring Pages1,191,1236,129-0.23-0.3318.02%
12CP002Ahrefs Backlinks1,191,1246,129-0.23-0.3318.02%
13CP475Term Frequency115-0.23-0.4994.10%
14CP054Ahrefs NoFollow Backlinks12,557244-0.23-0.3717.80%
15LSI002LSI Words in Sentences2,731498-0.22-0.4896.00%
16CP129Keywords in A Tags5,15829-0.22-0.4794.77%
17CP161Keywords in H1-H6 Tags317-0.22-0.4991.66%
18CP465Keywords in P Tags19630-0.22-0.4991.99%
19CP157Keywords in H1, H2, and H3 Tags276-0.22-0.4890.99%
20CP153Keywords in H1 and H2 Tags154-0.21-0.4889.88%
21ENT009Entities in Title Tag62-0.21-0.5068.63%
22CP004Ahrefs Dofollow Backlinks1,187,8815,889-0.21-0.3217.58%
23ENT003Entities in H2 Tags295-0.21-0.5069.74%
24CP071Search Result Display URL Matches31-0.21-0.5179.98%
25CP097Search Result Link Text Matches31-0.21-0.5179.98%
26CP469Keywords in Sentences14221-0.21-0.4588.54%
27CP375Keywords in LI Tags12717-0.21-0.4794.66%
28CP127bKeywords in Unique A Tag HREFs1,62330-0.21-0.4477.42%
29CP127Keywords in A Tag HREFs2,23145-0.20-0.4592.32%
30ENT018Entities in Sentences42784-0.20-0.4297.22%
31CKWD001Clean Keyword Density in the HTML Tag2034-0.20-0.4574.64%
32CP135Body Tag Size Kilobytes29584-0.20-0.4891.55%
33CP458Page Size Kilobytes411149-0.20-0.5088.10%
34CPXX888Number of HTML Tags2,937909-0.20-0.4988.88%
35CP481Keywords in Title Tag42-0.20-0.4781.54%
36CP165Keywords in H2 Tags123-0.20-0.4789.10%
37ENT004Entities in H3 Tags225-0.19-0.4870.52%
38CP465cKeywords in script Tags5,23436-0.19-0.4793.21%
39GD001Google Variation Density3343-0.19-0.4669.52%
40CP999Search Result Path Matches41-0.19-0.4871.41%
41CP160Leading Keywords in H1-H6 Tags282-0.19-0.4490.10%
42ENT001Entities in HTML Tag3,882297-0.19-0.3997.33%
43CP492bUnabridged Word Count6,7851,717-0.19-0.4190.77%
44CP134aSearch Terms in Body Tag15012-0.19-0.4390.66%
45CP140Clean Text Kilobytes3911-0.19-0.4090.21%
46LSI001LSI Words in Title Tag145-0.19-0.4390.21%
47DD010DomDetailer Majestic Referring Subnets64,41615,390-0.18-0.2527.81%
48CP128Keywords in Alt Attributes638-0.18-0.4289.43%
49CP492Word Count5,1071,325-0.18-0.4189.54%
50CP156Leading Keywords in H1, H2, and H3 Tags221-0.18-0.4389.77%
51CP019Ahrefs Has DoFollow Backlinks11-0.18-0.4817.24%
52DD006DomDetailer Majestic IPs218,07057,027-0.18-0.2528.59%
53DD015DomDetailer Moz PA6943-0.18-0.4526.47%
54CP381Keywords in Meta Descriptions42-0.18-0.4583.87%
55CP471Keywords in Span Tags4269-0.18-0.4191.77%
56DD008DomDetailer Majestic Referring Domains1,796,281362,016-0.18-0.2529.03%
57CP470aSearch Terms in the HTML Tag1818-0.17-0.4187.43%
58CP146Keywords in the First 100 Words2037-0.17-0.4377.31%
59DD013DomDetailer Moz DA8443-0.17-0.4126.14%
60ENT008Entities in Meta Description Tag82-0.17-0.4564.52%
61CP425Number of HTTPS Links581150-0.17-0.4087.43%
62GD003Google Density Variations7,75249-0.17-0.4164.18%
63DD005DomDetailer Majestic CF6137-0.17-0.4227.70%
64CP124aKeywords in Absolute URLs5,62749-0.17-0.3987.43%
65CP108Search Result Summary Length412162-0.17-0.4187.10%
66CP468Number of Sentences24250-0.17-0.3883.31%
67LSI006LSI Words in H2 Tags6313-0.17-0.4191.66%
68CPXR24Number of P Tags19736-0.17-0.4182.31%
69CP113Search Result URL Matches51-0.17-0.4380.09%
70CP431Number of Internal Links583140-0.17-0.4086.76%
71CP070Ahrefs Word Count4,4241,382-0.17-0.3913.01%
72CP137Keywords in the Canonical URL41-0.17-0.4382.54%
73CP048Ahrefs Image Backlinks10,403201-0.17-0.3116.02%
74CP435Number of Links590157-0.17-0.4086.43%
75CPXR018Keywords in Nav Tags6,35222-0.17-0.4189.10%
76CP032Ahrefs Has Image Backlinks10-0.17-0.4314.91%
77DD002DomDetailer Facebook Shares9,819,568-271,136-0.17-0.2728.59%
78DD012DomDetailer Majestic TF6228-0.17-0.3827.25%
79CP045Ahrefs Has Text Backlinks11-0.17-0.4717.46%
80DD016DomDetailer Moz Rank85-0.17-0.4126.03%
81CP410Number of DoFollow Links566151-0.17-0.3986.54%
82CP152Keywords in H1 Tags131-0.17-0.4178.42%
83CP017Ahrefs Has Backlinks11-0.17-0.4617.13%
84ENT005Entities in H4 Tags122-0.16-0.4362.40%
85CP038Ahrefs Has NoFollow Backlinks11-0.16-0.4517.46%
86CP159aSearch Terms in H1-H6 Tags101-0.16-0.4288.21%
87CPXR003Number of Heading Tags5020-0.16-0.4183.54%
88CP476TF/IDF11-0.16-0.4681.98%
89CP005Ahrefs Domain Rating7838-0.16-0.4014.35%
90CP109Search Result Summary Text Matches62-0.16-0.4574.86%
91CP383Keywords in Meta OpenGraph Description51-0.16-0.4180.31%
92ENT002Entities in H1 Tags62-0.16-0.4061.85%
93CP426Number of Images9929-0.16-0.3685.87%
94CP385Keywords in Meta OpenGraph Content31-0.16-0.4376.75%
95CP484Leading Keywords in Title Tag10-0.16-0.4576.64%
96CPX003Keywords in Main Tags12,54956-0.16-0.4585.76%
97LSI003LSI Words in Meta Description Tag348-0.16-0.3989.99%
98CP169Keywords in H3 Tags822-0.16-0.3989.66%
99DD007DomDetailer Majestic Links99,759,6468,094,389-0.16-0.1728.36%
100CP151Leading Keywords in H1 Tags10-0.16-0.4380.09%
101ENT013Has Entities in H2 Tags11-0.16-0.4663.40%
102CP072Search Result Document Matches61-0.16-0.4066.74%
103QS004Number of Questions In Headings51-0.16-0.3737.82%
104CP427Number of Images with Alt Text7519-0.15-0.3786.99%
105DD014DomDetailer Moz Links93,672,77216,975,271-0.15-0.2428.59%
106CP391Number of Absolute URLs400137-0.15-0.3782.98%
107CP050Ahrefs Internal Links37795-0.15-0.3418.24%
108QS003Number of Questions274-0.15-0.3679.09%
109CP472Keywords making whole Span Tags71-0.15-0.3986.87%
110ENT010Title Tag Has Entities11-0.15-0.4256.17%
111CPXR005Number of H2 Tags176-0.15-0.3784.09%
112GD004Google Density Exact Matches422-0.15-0.3962.63%
113CP358Inline Javascript Kilobytes15732-0.15-0.3581.20%
114CP483aSearch Terms in the Title Tag20-0.15-0.4177.75%
115CPX013Keywords in Footer Tags3,8099-0.15-0.3682.98%
116LSI005LSI Words in H1 Tags174-0.15-0.3586.21%
117CP158Keywords making whole H1-H6 Tags40-0.15-0.4180.53%
118CP057Ahrefs Page Size81,04928,827-0.15-0.3412.24%
119LSI007LSI Words in H3 Tags6013-0.15-0.3591.43%
120CP125Keywords making whole A Tags41-0.15-0.3784.09%
121CP164Leading Keywords in H2 Tags71-0.15-0.3886.32%
122CP374Keywords in the last 100 words2024-0.15-0.3778.64%
123CP477Keywords in Title Attributes2638-0.14-0.3788.32%
124CP007Ahrefs External Links10617-0.14-0.3117.24%
125CP376Keywords making whole LI Tags41-0.14-0.3884.43%
126CPJLDxSANumber Of JSON-LD Types628-0.14-0.3672.19%
127CP126aSearch Terms in A Tags392-0.14-0.3787.54%
128CP467Keywords in Section Tags89015-0.14-0.4082.76%
129ENT014Has Entities in H3 Tags10-0.14-0.4260.62%
130CP177Keywords in H4-H6 Tags431-0.14-0.3781.09%
131CP154Keywords making whole H1, H2, and H3 Tags10-0.14-0.3979.98%
132CP413Number of External Links5717-0.14-0.3277.75%
133CP473Keywords in Strong Tags972-0.14-0.3777.98%
134DD011DomDetailer Majestic Referring .gov Links20,976,5833,670,224-0.14-0.2626.59%
135CP173Keywords in H4 Tags351-0.14-0.3780.76%
136CPXR006Number of H3 Tags257-0.14-0.3385.65%
137ENT012Has Entities in H1 Tags11-0.14-0.4056.40%
138CP056Ahrefs Pages51-0.14-0.2917.24%
139CP130Keywords in Article Tags14817-0.14-0.3972.53%
140CP052Ahrefs Linked Root Domains206-0.14-0.3418.58%
141CP353Head Size Kilobytes11939-0.14-0.3476.31%
142QS012Headings Has Question10-0.14-0.4172.64%
143CP357Inline CSS Kilobytes7426-0.13-0.3677.75%
144CP049Ahrefs Images7021-0.13-0.3312.57%
145CP469aSearch Terms in Sentences191-0.13-0.3387.76%
146CP409Number of DoFollow External Links4914-0.13-0.2974.86%
147CP380Meta Description Length471127-0.13-0.3372.41%
148ENT011Meta Description Tag Has Entities11-0.13-0.4056.40%
149ENT015Has Entities in H4 Tags10-0.13-0.4053.62%
150CP481bWord Count in Meta Description Tag8820-0.13-0.3472.19%
151CP150aSearch Terms in H1 Tags10-0.13-0.3578.09%
152CP114Search Result Uses HTTPS11-0.13-0.3866.96%
153CP213Has FavIcon11-0.13-0.3969.08%
154QS006Number of Questions In H2 Tags20-0.13-0.3475.75%
155CP139Keywords in Class Attributes6,49111-0.13-0.3481.76%
156CP377Load Time Milliseconds28,8912,501-0.13-0.2770.63%
157DD001DomDetailer Facebook Comments26626-0.13-0.3322.58%
158CP104zSearch Result Has Publish Date11-0.13-0.393.11%
159CP034Ahrefs Has Internal Links11-0.13-0.3916.02%
160CP440Number of NoFollow Links327-0.13-0.3180.09%
161CPJLD011Has JSON-LD Answer10-0.13-0.3955.95%
162CPJLD217Has JSON-LD Question10-0.13-0.3955.62%
163CP099Search Result Number of Dirs in Path32-0.13-0.3361.29%
164CP444Number of Social Accounts61-0.13-0.3271.75%
165CP022Ahrefs Has External Links11-0.13-0.3815.46%
166CP168Leading Keywords in H3 Tags131-0.13-0.3481.76%
167CP451Number of US Phone Numbers1427-0.12-0.3275.86%
168CPXR007Number of H4 Tags224-0.12-0.3176.64%
169CP355Keywords in ID Attributes4891-0.12-0.3383.98%
170CP460Percentage of DoFollow Internal Links9480-0.12-0.3271.86%
171QS007Number of Questions In H3 Tags31-0.12-0.3474.42%
172CP149Keywords making whole H1 Tags10-0.12-0.3678.64%
173CP424Number of HREF Lang Tags122-0.12-0.3474.86%
174CP313Has Privacy Policy11-0.12-0.3873.19%
175CP150a2Search Terms in H2 Tags70-0.12-0.3484.98%
176CP077Search Result Domain Matches50-0.12-0.3548.50%
177CP036Ahrefs Has Linked Root Domains11-0.12-0.3816.24%
178LSI008LSI Words in H4 Tags446-0.12-0.3283.76%
179CPJLDxCBNumber Of Claimed Brands71-0.12-0.3561.51%
180CP060Ahrefs Redirects46310-0.12-0.3215.02%
181CP176Leading Keywords in H4-H6 Tags70-0.12-0.3575.53%
182CP309Has OpenGraph Image11-0.12-0.3759.84%
183CP445Number of Social Pages133-0.12-0.2772.53%
184CP356Keywords in I Tags802-0.12-0.3478.42%
185CPXR011Keywords in Button Tags3901-0.12-0.3579.98%
186CP428Number of Images without Alt Text3810-0.12-0.2876.75%
187CP430Number of Instagram Pages141-0.12-0.2874.42%
188CP439Number of NoFollow Externa Links173-0.12-0.3280.42%
189CP432Number of JavaScript Includes3014-0.12-0.2967.74%
190CP006Ahrefs Edu Backlinks47,565332-0.12-0.2911.90%
191CPJLD007Has JSON-LD AggregateRating10-0.12-0.3860.29%
192CP479iiTitle Has Sentiment Words10-0.12-0.3569.86%
193CP418Number of Forms152-0.12-0.3170.75%
194CP172Leading Keywords in H4 Tags50-0.12-0.3573.75%
195CP207Has Contact Page11-0.12-0.3760.85%
196CP415Number of FaceBook Pages82-0.12-0.2870.41%
197CP225Has Meta Description11-0.12-0.3665.74%
198CP381aSearch Terms in Meta Descriptions20-0.12-0.3481.87%
199CP204Has Canonical URL11-0.12-0.3671.30%
200CP454Number of YouTube Accounts20-0.12-0.3268.97%


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