Top SEO Factors




Top SEO Factors - 2021-11-12      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 - 2021-11-12 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1ENT000aNumber of Entities Used6325-0.30-0.6472.84%
2CPZZZNumber of Factors Used209137-0.25-0.5289.55%
3CP470Keywords in the HTML Tag38,261181-0.24-0.5295.58%
4CP059Ahrefs Rank3915-0.24-0.4915.30%
5CP061Ahrefs Referring Class C Addresses1,26050-0.24-0.4118.64%
6CP063Ahrefs Referring IP Addresses2,25272-0.24-0.4018.64%
7CPX010Keywords in Div Tags22,921127-0.23-0.5195.15%
8CP062Ahrefs Referring Domains2,77577-0.23-0.3918.75%
9CP067Ahrefs Text Backlinks1,191,1208,575-0.23-0.3418.32%
10CP134Keywords in Body Tag28,871152-0.23-0.5295.04%
11CP002Ahrefs Backlinks1,191,1248,558-0.23-0.3318.43%
12CP064Ahrefs Referring Pages1,191,1238,558-0.23-0.3318.43%
13CP054Ahrefs NoFollow Backlinks127,5331,330-0.23-0.3718.10%
14CP475Term Frequency115-0.23-0.4993.97%
15LSI002LSI Words in Sentences2,731504-0.23-0.4895.91%
16CP129Keywords in A Tags5,15829-0.22-0.4795.04%
17CP161Keywords in H1-H6 Tags317-0.22-0.4991.81%
18CP157Keywords in H1, H2, and H3 Tags276-0.22-0.4891.38%
19CP465Keywords in P Tags16330-0.22-0.4992.03%
20ENT009Entities in Title Tag62-0.21-0.5068.97%
21ENT003Entities in H2 Tags295-0.21-0.5069.94%
22CP153Keywords in H1 and H2 Tags154-0.21-0.4890.19%
23CP004Ahrefs Dofollow Backlinks1,187,8817,236-0.21-0.3218.10%
24CP469Keywords in Sentences14221-0.21-0.4588.58%
25CP127bKeywords in Unique A Tag HREFs1,62331-0.21-0.4577.48%
26CP375Keywords in LI Tags12717-0.21-0.4694.40%
27CP097Search Result Link Text Matches31-0.21-0.5180.17%
28CP071Search Result Display URL Matches31-0.21-0.5180.17%
29CP127Keywords in A Tag HREFs2,23145-0.21-0.4492.56%
30CKWD001Clean Keyword Density in the HTML Tag2034-0.20-0.4675.32%
31ENT018Entities in Sentences42783-0.20-0.4397.20%
32CP135Body Tag Size Kilobytes29584-0.20-0.4890.95%
33ENT004Entities in H3 Tags245-0.20-0.4870.47%
34CPXX888Number of HTML Tags2,937916-0.19-0.4888.15%
35CP165Keywords in H2 Tags123-0.19-0.4689.55%
36CP458Page Size Kilobytes411149-0.19-0.4886.96%
37CP481Keywords in Title Tag42-0.19-0.4781.68%
38GD001Google Variation Density3343-0.19-0.4569.83%
39CP465cKeywords in script Tags5,23436-0.19-0.4692.56%
40CP999Search Result Path Matches51-0.19-0.4771.98%
41ENT001Entities in HTML Tag3,882300-0.19-0.4097.31%
42CP492bUnabridged Word Count6,7851,709-0.19-0.4190.52%
43LSI001LSI Words in Title Tag145-0.19-0.4490.19%
44CP160Leading Keywords in H1-H6 Tags282-0.19-0.4390.52%
45CP134aSearch Terms in Body Tag15012-0.19-0.4390.73%
46CP140Clean Text Kilobytes3911-0.19-0.4089.98%
47CP492Word Count5,1071,329-0.18-0.4089.12%
48DD010DomDetailer Majestic Referring Subnets64,41615,311-0.18-0.2527.59%
49CP019Ahrefs Has DoFollow Backlinks11-0.18-0.4817.46%
50CP156Leading Keywords in H1, H2, and H3 Tags221-0.18-0.4390.30%
51DD015DomDetailer Moz PA6943-0.18-0.4526.19%
52DD006DomDetailer Majestic IPs218,07056,842-0.18-0.2528.23%
53CP128Keywords in Alt Attributes497-0.18-0.4089.76%
54CP471Keywords in Span Tags4269-0.18-0.4191.70%
55DD008DomDetailer Majestic Referring Domains1,796,281362,430-0.18-0.2528.66%
56CP381Keywords in Meta Descriptions932-0.18-0.4583.73%
57GD003Google Density Variations7,75249-0.18-0.4263.79%
58CP470aSearch Terms in the HTML Tag1818-0.18-0.4187.07%
59CP146Keywords in the First 100 Words2037-0.17-0.4377.16%
60CP425Number of HTTPS Links581152-0.17-0.4086.53%
61ENT008Entities in Meta Description Tag1083-0.17-0.4564.66%
62DD013DomDetailer Moz DA8443-0.17-0.4125.86%
63CP070Ahrefs Word Count4,4241,376-0.17-0.3912.82%
64CP124aKeywords in Absolute URLs5,62748-0.17-0.3987.07%
65DD005DomDetailer Majestic CF6136-0.17-0.4227.48%
66CP108Search Result Summary Length412162-0.17-0.4186.53%
67LSI006LSI Words in H2 Tags6313-0.17-0.4191.70%
68CP045Ahrefs Has Text Backlinks11-0.17-0.4717.89%
69CP468Number of Sentences24250-0.17-0.3882.44%
70CPXR24Number of P Tags19736-0.17-0.4082.22%
71CP431Number of Internal Links583141-0.17-0.3986.53%
72CP113Search Result URL Matches51-0.17-0.4380.17%
73CP017Ahrefs Has Backlinks11-0.17-0.4717.56%
74CP137Keywords in the Canonical URL51-0.17-0.4382.11%
75DD012DomDetailer Majestic TF6228-0.17-0.3826.94%
76CP048Ahrefs Image Backlinks118,7481,335-0.17-0.3216.59%
77CP435Number of Links590158-0.17-0.3986.10%
78DD016DomDetailer Moz Rank85-0.17-0.4125.65%
79DD002DomDetailer Facebook Shares9,819,568-188,590-0.17-0.2728.34%
80CP038Ahrefs Has NoFollow Backlinks11-0.17-0.4617.78%
81CPXR018Keywords in Nav Tags6,35222-0.17-0.4089.33%
82CP152Keywords in H1 Tags131-0.17-0.4177.91%
83CP410Number of DoFollow Links566151-0.17-0.3986.21%
84CP032Ahrefs Has Image Backlinks10-0.17-0.4315.52%
85CP109Search Result Summary Text Matches63-0.16-0.4575.22%
86CP159aSearch Terms in H1-H6 Tags101-0.16-0.4288.04%
87ENT005Entities in H4 Tags132-0.16-0.4362.39%
88CP476TF/IDF11-0.16-0.4681.90%
89CP005Ahrefs Domain Rating7839-0.16-0.4114.33%
90ENT002Entities in H1 Tags62-0.16-0.4162.07%
91CPXR003Number of Heading Tags5020-0.16-0.4083.84%
92CP484Leading Keywords in Title Tag10-0.16-0.4577.16%
93DD007DomDetailer Majestic Links99,759,6468,149,407-0.16-0.1828.13%
94CP383Keywords in Meta OpenGraph Description921-0.16-0.4079.42%
95CP385Keywords in Meta OpenGraph Content31-0.16-0.4276.08%
96QS004Number of Questions In Headings51-0.16-0.4037.72%
97LSI003LSI Words in Meta Description Tag3498-0.16-0.3989.44%
98CP169Keywords in H3 Tags822-0.16-0.3989.76%
99CP426Number of Images9928-0.16-0.3584.81%
100CPX003Keywords in Main Tags12,54955-0.16-0.4485.45%
101ENT013Has Entities in H2 Tags11-0.16-0.4663.36%
102CP072Search Result Document Matches61-0.16-0.4166.70%
103CP151Leading Keywords in H1 Tags10-0.16-0.4280.06%
104CP391Number of Absolute URLs400137-0.15-0.3782.22%
105CP427Number of Images with Alt Text7518-0.15-0.3686.31%
106DD014DomDetailer Moz Links93,672,77216,924,226-0.15-0.2428.45%
107QS003Number of Questions274-0.15-0.3678.23%
108CP050Ahrefs Internal Links37796-0.15-0.3318.53%
109ENT010Title Tag Has Entities11-0.15-0.4256.14%
110CP472Keywords making whole Span Tags71-0.15-0.3986.64%
111CP057Ahrefs Page Size81,04929,031-0.15-0.3512.18%
112GD004Google Density Exact Matches422-0.15-0.3862.72%
113LSI005LSI Words in H1 Tags174-0.15-0.3685.56%
114CP358Inline Javascript Kilobytes15732-0.15-0.3380.50%
115CP483aSearch Terms in the Title Tag20-0.15-0.4178.45%
116LSI007LSI Words in H3 Tags6013-0.15-0.3691.38%
117CPXR005Number of H2 Tags176-0.15-0.3584.70%
118CP125Keywords making whole A Tags41-0.15-0.3783.94%
119CPX013Keywords in Footer Tags3,8099-0.15-0.3682.87%
120CP376Keywords making whole LI Tags41-0.15-0.3984.27%
121CP158Keywords making whole H1-H6 Tags40-0.15-0.4179.63%
122CP467Keywords in Section Tags89015-0.15-0.4182.76%
123CP477Keywords in Title Attributes2638-0.14-0.3788.15%
124CP164Leading Keywords in H2 Tags71-0.14-0.3886.85%
125CP374Keywords in the last 100 words2024-0.14-0.3678.56%
126CPJLDxSANumber Of JSON-LD Types628-0.14-0.3771.77%
127CP126aSearch Terms in A Tags392-0.14-0.3788.15%
128CP007Ahrefs External Links10618-0.14-0.3017.89%
129CP473Keywords in Strong Tags972-0.14-0.3877.59%
130ENT014Has Entities in H3 Tags11-0.14-0.4260.34%
131DD011DomDetailer Majestic Referring .gov Links20,976,5833,704,097-0.14-0.2626.19%
132CP154Keywords making whole H1, H2, and H3 Tags20-0.14-0.3978.99%
133CP413Number of External Links5717-0.14-0.3177.37%
134ENT012Has Entities in H1 Tags11-0.14-0.4056.36%
135CPXR006Number of H3 Tags257-0.14-0.3385.02%
136CP049Ahrefs Images7021-0.14-0.3312.39%
137CP177Keywords in H4-H6 Tags431-0.14-0.3780.60%
138CP173Keywords in H4 Tags351-0.14-0.3780.71%
139CP056Ahrefs Pages51-0.14-0.2917.67%
140CP130Keywords in Article Tags14817-0.14-0.3972.84%
141QS012Headings Has Question10-0.13-0.4171.98%
142CP469aSearch Terms in Sentences191-0.13-0.3487.61%
143CP052Ahrefs Linked Root Domains206-0.13-0.3319.18%
144CP357Inline CSS Kilobytes7426-0.13-0.3577.26%
145ENT011Meta Description Tag Has Entities11-0.13-0.4056.25%
146CP353Head Size Kilobytes11939-0.13-0.3375.54%
147CP409Number of DoFollow External Links4914-0.13-0.2974.35%
148ENT015Has Entities in H4 Tags10-0.13-0.4053.45%
149QS006Number of Questions In H2 Tags20-0.13-0.3575.11%
150CP213Has FavIcon11-0.13-0.3968.10%
151CP150aSearch Terms in H1 Tags10-0.13-0.3578.02%
152CP114Search Result Uses HTTPS11-0.13-0.3865.84%
153CPJLD011Has JSON-LD Answer10-0.13-0.4054.85%
154CPJLD217Has JSON-LD Question10-0.13-0.4054.63%
155CP139Keywords in Class Attributes6,49111-0.13-0.3481.36%
156CP380Meta Description Length3,814131-0.13-0.3271.55%
157CP168Leading Keywords in H3 Tags131-0.13-0.3581.90%
158CP377Load Time Milliseconds28,1482,523-0.13-0.2670.47%
159CP481bWord Count in Meta Description Tag60121-0.13-0.3371.23%
160DD001DomDetailer Facebook Comments26625-0.13-0.3222.52%
161CP440Number of NoFollow Links327-0.13-0.3180.17%
162CP034Ahrefs Has Internal Links11-0.13-0.3916.49%
163CP104zSearch Result Has Publish Date11-0.13-0.382.80%
164CP355Keywords in ID Attributes4891-0.12-0.3383.94%
165CP451Number of US Phone Numbers1427-0.12-0.3276.51%
166CP444Number of Social Accounts61-0.12-0.3271.77%
167CP099Search Result Number of Dirs in Path32-0.12-0.3360.24%
168QS007Number of Questions In H3 Tags31-0.12-0.3473.92%
169CP022Ahrefs Has External Links11-0.12-0.3816.06%
170CPXR007Number of H4 Tags224-0.12-0.3176.19%
171CP150a2Search Terms in H2 Tags70-0.12-0.3484.59%
172CPJLDxCBNumber Of Claimed Brands71-0.12-0.3561.31%
173CP445Number of Social Pages133-0.12-0.2772.09%
174CP149Keywords making whole H1 Tags10-0.12-0.3677.59%
175CP077Search Result Domain Matches50-0.12-0.3549.14%
176CP460Percentage of DoFollow Internal Links9480-0.12-0.3271.77%
177LSI008LSI Words in H4 Tags446-0.12-0.3183.51%
178CP432Number of JavaScript Includes3014-0.12-0.3067.46%
179CP313Has Privacy Policy11-0.12-0.3772.63%
180CP036Ahrefs Has Linked Root Domains11-0.12-0.3716.59%
181CP356Keywords in I Tags802-0.12-0.3477.91%
182CP428Number of Images without Alt Text3810-0.12-0.2975.86%
183CP430Number of Instagram Pages141-0.12-0.2874.14%
184CPXR011Keywords in Button Tags3901-0.12-0.3580.28%
185CP424Number of HREF Lang Tags122-0.12-0.3373.81%
186CP060Ahrefs Redirects46313-0.12-0.3115.41%
187CP176Leading Keywords in H4-H6 Tags70-0.12-0.3575.32%
188CP439Number of NoFollow Externa Links173-0.12-0.3280.82%
189CP479iiTitle Has Sentiment Words10-0.12-0.3569.07%
190CPJLD007Has JSON-LD AggregateRating10-0.12-0.3859.91%
191CP319Has Schema Markup11-0.12-0.3870.37%
192CP415Number of FaceBook Pages82-0.12-0.2770.26%
193CP418Number of Forms152-0.12-0.3170.04%
194CP454Number of YouTube Accounts20-0.12-0.3368.53%
195CP381aSearch Terms in Meta Descriptions20-0.12-0.3481.90%
196CP204Has Canonical URL11-0.12-0.3671.01%
197CP479Title Has Sales Words10-0.12-0.3469.83%
198CP225Has Meta Description11-0.12-0.3665.09%
199CP006Ahrefs Edu Backlinks47,565401-0.12-0.2912.28%
200CP207Has Contact Page11-0.12-0.3660.45%


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