Top SEO Factors




Top SEO Factors - 2021-11-08      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 - 2021-11-08 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1ENT000aNumber of Entities Used6025-0.30-0.6374.23%
2CPZZZNumber of Factors Used209137-0.25-0.5289.48%
3CP470Keywords in the HTML Tag38,261187-0.25-0.5295.27%
4CP061Ahrefs Referring Class C Addresses43241-0.24-0.4219.50%
5CP063Ahrefs Referring IP Addresses1,27555-0.24-0.4119.50%
6CP059Ahrefs Rank3915-0.24-0.5016.55%
7CP062Ahrefs Referring Domains1,17356-0.24-0.4019.62%
8CPX010Keywords in Div Tags22,921132-0.24-0.5195.27%
9CP067Ahrefs Text Backlinks1,191,1206,530-0.24-0.3419.27%
10CP002Ahrefs Backlinks1,191,1246,544-0.23-0.3419.27%
11CP064Ahrefs Referring Pages1,191,1236,544-0.23-0.3419.27%
12CP134Keywords in Body Tag28,871156-0.23-0.5295.04%
13CP054Ahrefs NoFollow Backlinks12,557255-0.23-0.3719.39%
14CP475Term Frequency115-0.23-0.4994.33%
15LSI002LSI Words in Sentences2,731484-0.23-0.4896.45%
16CP161Keywords in H1-H6 Tags317-0.22-0.4991.73%
17CP129Keywords in A Tags5,15830-0.22-0.4794.56%
18CP157Keywords in H1, H2, and H3 Tags276-0.22-0.4890.78%
19CP465Keywords in P Tags19630-0.22-0.4991.84%
20CP004Ahrefs Dofollow Backlinks1,187,8816,259-0.22-0.3219.03%
21CP153Keywords in H1 and H2 Tags154-0.21-0.4890.54%
22ENT003Entities in H2 Tags295-0.21-0.5070.80%
23CP127bKeywords in Unique A Tag HREFs1,62331-0.21-0.4578.25%
24CP127Keywords in A Tag HREFs2,23146-0.21-0.4592.20%
25ENT009Entities in Title Tag62-0.21-0.4970.09%
26CP375Keywords in LI Tags16917-0.21-0.4794.56%
27CP469Keywords in Sentences14221-0.21-0.4588.42%
28CP097Search Result Link Text Matches31-0.21-0.5081.32%
29CP071Search Result Display URL Matches31-0.21-0.5081.32%
30ENT018Entities in Sentences42784-0.20-0.4297.99%
31CKWD001Clean Keyword Density in the HTML Tag2034-0.20-0.4575.30%
32GD001Google Variation Density3343-0.20-0.4770.80%
33CP458Page Size Kilobytes411148-0.20-0.4988.18%
34CP165Keywords in H2 Tags123-0.20-0.4789.24%
35CPXX888Number of HTML Tags3,347910-0.20-0.4989.24%
36CP135Body Tag Size Kilobytes29583-0.20-0.4791.37%
37CP481Keywords in Title Tag42-0.19-0.4782.98%
38ENT004Entities in H3 Tags225-0.19-0.4871.51%
39CP999Search Result Path Matches41-0.19-0.4870.92%
40CP465cKeywords in script Tags5,23436-0.19-0.4792.91%
41CP160Leading Keywords in H1-H6 Tags282-0.19-0.4489.83%
42ENT001Entities in HTML Tag3,882295-0.19-0.4097.87%
43CP128Keywords in Alt Attributes638-0.19-0.4190.31%
44CP492bUnabridged Word Count6,7851,715-0.19-0.4090.90%
45CP156Leading Keywords in H1, H2, and H3 Tags221-0.19-0.4389.83%
46CP140Clean Text Kilobytes3911-0.19-0.3990.31%
47CP019Ahrefs Has DoFollow Backlinks11-0.18-0.5018.68%
48CP134aSearch Terms in Body Tag15012-0.18-0.4390.54%
49CP492Word Count5,1071,323-0.18-0.4090.19%
50LSI001LSI Words in Title Tag145-0.18-0.4390.78%
51DD010DomDetailer Majestic Referring Subnets64,41615,458-0.18-0.2729.31%
52CP471Keywords in Span Tags42610-0.18-0.4192.43%
53DD006DomDetailer Majestic IPs216,63957,436-0.18-0.2630.14%
54CP381Keywords in Meta Descriptions42-0.18-0.4585.11%
55DD008DomDetailer Majestic Referring Domains1,773,913368,180-0.18-0.2730.38%
56DD015DomDetailer Moz PA6942-0.18-0.4427.54%
57CP108Search Result Summary Length412162-0.18-0.4287.71%
58CP146Keywords in the First 100 Words2037-0.18-0.4378.01%
59GD003Google Density Variations7,75250-0.17-0.4165.60%
60CP470aSearch Terms in the HTML Tag1818-0.17-0.4187.35%
61LSI006LSI Words in H2 Tags5913-0.17-0.4291.61%
62CP425Number of HTTPS Links581150-0.17-0.4087.83%
63CP124aKeywords in Absolute URLs5,62748-0.17-0.3988.65%
64CP468Number of Sentences24250-0.17-0.3883.81%
65CP113Search Result URL Matches51-0.17-0.4379.55%
66CP048Ahrefs Image Backlinks10,403218-0.17-0.3217.49%
67CPXR24Number of P Tags19736-0.17-0.4182.98%
68CP045Ahrefs Has Text Backlinks11-0.17-0.4718.68%
69CP137Keywords in the Canonical URL41-0.17-0.4383.10%
70DD005DomDetailer Majestic CF6136-0.17-0.4228.96%
71ENT008Entities in Meta Description Tag82-0.17-0.4465.96%
72CP431Number of Internal Links583141-0.17-0.3986.88%
73DD013DomDetailer Moz DA8443-0.17-0.4027.07%
74CP435Number of Links590157-0.17-0.4086.41%
75CP017Ahrefs Has Backlinks11-0.17-0.4718.20%
76CP038Ahrefs Has NoFollow Backlinks11-0.17-0.4618.79%
77CP152Keywords in H1 Tags131-0.17-0.4179.55%
78CP032Ahrefs Has Image Backlinks10-0.17-0.4316.31%
79CPXR018Keywords in Nav Tags6,35223-0.17-0.4089.48%
80CP070Ahrefs Word Count4,4241,379-0.17-0.3813.71%
81CP410Number of DoFollow Links566151-0.17-0.3986.41%
82CPXR003Number of Heading Tags5020-0.16-0.4184.63%
83DD012DomDetailer Majestic TF6228-0.16-0.3828.49%
84CP476TF/IDF11-0.16-0.4682.39%
85DD002DomDetailer Facebook Shares9,819,568-289,072-0.16-0.2729.43%
86CP005Ahrefs Domain Rating7839-0.16-0.4015.96%
87DD016DomDetailer Moz Rank85-0.16-0.4027.07%
88ENT005Entities in H4 Tags122-0.16-0.4364.42%
89CP159aSearch Terms in H1-H6 Tags101-0.16-0.4188.06%
90CP426Number of Images9928-0.16-0.3787.00%
91CP169Keywords in H3 Tags822-0.16-0.3889.48%
92ENT002Entities in H1 Tags62-0.16-0.4063.59%
93CP484Leading Keywords in Title Tag10-0.16-0.4577.42%
94CP383Keywords in Meta OpenGraph Description51-0.16-0.4080.97%
95CP109Search Result Summary Text Matches62-0.16-0.4475.30%
96CP385Keywords in Meta OpenGraph Content31-0.16-0.4277.90%
97CP151Leading Keywords in H1 Tags10-0.16-0.4380.73%
98LSI003LSI Words in Meta Description Tag348-0.16-0.3990.54%
99CP427Number of Images with Alt Text7519-0.16-0.3787.83%
100ENT013Has Entities in H2 Tags11-0.16-0.4664.89%
101CPX003Keywords in Main Tags12,54956-0.16-0.4485.93%
102CP072Search Result Document Matches61-0.16-0.4066.67%
103QS004Number of Questions In Headings51-0.15-0.3736.52%
104CP391Number of Absolute URLs388135-0.15-0.3783.81%
105GD004Google Density Exact Matches422-0.15-0.4062.53%
106DD014DomDetailer Moz Links93,672,77217,217,240-0.15-0.2529.55%
107DD007DomDetailer Majestic Links99,759,6467,685,872-0.15-0.1629.67%
108CPXR005Number of H2 Tags176-0.15-0.3783.81%
109CP472Keywords making whole Span Tags71-0.15-0.3986.76%
110CP358Inline Javascript Kilobytes15732-0.15-0.3581.21%
111CP050Ahrefs Internal Links377101-0.15-0.3419.86%
112QS003Number of Questions274-0.15-0.3679.67%
113CP483aSearch Terms in the Title Tag10-0.15-0.4277.54%
114CP125Keywords making whole A Tags41-0.15-0.3884.63%
115CP374Keywords in the last 100 words2024-0.15-0.3879.08%
116LSI007LSI Words in H3 Tags7213-0.15-0.3591.73%
117ENT010Title Tag Has Entities11-0.15-0.4157.92%
118LSI005LSI Words in H1 Tags164-0.15-0.3587.00%
119CP164Leading Keywords in H2 Tags71-0.15-0.3986.41%
120CP376Keywords making whole LI Tags41-0.15-0.3884.87%
121CPJLDxSANumber Of JSON-LD Types628-0.15-0.3773.29%
122CPX013Keywords in Footer Tags3,8099-0.15-0.3583.92%
123CP477Keywords in Title Attributes2638-0.15-0.3788.77%
124CP158Keywords making whole H1-H6 Tags40-0.15-0.4180.61%
125CP126aSearch Terms in A Tags392-0.14-0.3787.23%
126CPXR006Number of H3 Tags297-0.14-0.3385.70%
127CP467Keywords in Section Tags89015-0.14-0.3982.98%
128CP177Keywords in H4-H6 Tags431-0.14-0.3781.80%
129CP413Number of External Links5716-0.14-0.3179.08%
130CP007Ahrefs External Links10618-0.14-0.3218.68%
131CP173Keywords in H4 Tags351-0.14-0.3781.91%
132ENT014Has Entities in H3 Tags10-0.14-0.4263.12%
133CP154Keywords making whole H1, H2, and H3 Tags10-0.14-0.3979.91%
134DD011DomDetailer Majestic Referring .gov Links20,924,4443,711,422-0.14-0.2727.90%
135CP473Keywords in Strong Tags972-0.14-0.3778.61%
136CP057Ahrefs Page Size81,04928,648-0.14-0.3113.00%
137CP353Head Size Kilobytes11939-0.14-0.3377.07%
138ENT012Has Entities in H1 Tags11-0.14-0.4058.27%
139QS012Headings Has Question10-0.14-0.4173.52%
140CP130Keywords in Article Tags14817-0.13-0.3973.40%
141CP357Inline CSS Kilobytes7426-0.13-0.3678.25%
142CP056Ahrefs Pages61-0.13-0.3018.56%
143CP380Meta Description Length393127-0.13-0.3372.81%
144CP469aSearch Terms in Sentences181-0.13-0.3387.59%
145CP049Ahrefs Images7021-0.13-0.3213.36%
146CP409Number of DoFollow External Links4914-0.13-0.2876.71%
147CP481bWord Count in Meta Description Tag7020-0.13-0.3373.40%
148ENT011Meta Description Tag Has Entities11-0.13-0.4057.68%
149CP114Search Result Uses HTTPS11-0.13-0.3969.15%
150CP213Has FavIcon11-0.13-0.3969.50%
151ENT015Has Entities in H4 Tags10-0.13-0.4055.79%
152QS006Number of Questions In H2 Tags20-0.13-0.3476.24%
153CP052Ahrefs Linked Root Domains146-0.13-0.3319.74%
154CP139Keywords in Class Attributes6,49112-0.13-0.3482.27%
155CP104zSearch Result Has Publish Date11-0.13-0.403.90%
156CP150aSearch Terms in H1 Tags10-0.13-0.3477.66%
157CP168Leading Keywords in H3 Tags131-0.13-0.3582.51%
158CP440Number of NoFollow Links346-0.13-0.3180.50%
159CP355Keywords in ID Attributes4891-0.13-0.3483.57%
160CP377Load Time Milliseconds28,8912,501-0.13-0.2670.80%
161CP099Search Result Number of Dirs in Path32-0.12-0.3361.11%
162CP077Search Result Domain Matches50-0.12-0.3649.65%
163CPJLD011Has JSON-LD Answer10-0.12-0.3855.56%
164DD001DomDetailer Facebook Comments26628-0.12-0.3223.52%
165CPJLD217Has JSON-LD Question10-0.12-0.3855.32%
166CP451Number of US Phone Numbers1427-0.12-0.3275.65%
167CP444Number of Social Accounts61-0.12-0.3272.93%
168CPXR007Number of H4 Tags224-0.12-0.3178.37%
169CP313Has Privacy Policy11-0.12-0.3773.64%
170LSI008LSI Words in H4 Tags446-0.12-0.3284.99%
171CP460Percentage of DoFollow Internal Links9480-0.12-0.3171.87%
172CPJLDxCBNumber Of Claimed Brands71-0.12-0.3564.42%
173QS007Number of Questions In H3 Tags31-0.12-0.3374.70%
174CP006Ahrefs Edu Backlinks47,565317-0.12-0.3013.24%
175CP356Keywords in I Tags802-0.12-0.3478.49%
176CP176Leading Keywords in H4-H6 Tags70-0.12-0.3576.00%
177CP150a2Search Terms in H2 Tags70-0.12-0.3485.46%
178CP309Has OpenGraph Image11-0.12-0.3761.58%
179CP060Ahrefs Redirects46310-0.12-0.3016.90%
180CP034Ahrefs Has Internal Links11-0.12-0.3817.26%
181CP424Number of HREF Lang Tags122-0.12-0.3474.59%
182CP149Keywords making whole H1 Tags10-0.12-0.3578.13%
183CP432Number of JavaScript Includes3014-0.12-0.2967.97%
184CPXR011Keywords in Button Tags3901-0.12-0.3579.55%
185CP445Number of Social Pages133-0.12-0.2773.29%
186CPJLD007Has JSON-LD AggregateRating10-0.12-0.3860.28%
187CP439Number of NoFollow Externa Links163-0.12-0.3280.73%
188CP022Ahrefs Has External Links11-0.12-0.3716.55%
189CP204Has Canonical URL11-0.12-0.3673.17%
190CP418Number of Forms152-0.12-0.3172.22%
191CP454Number of YouTube Accounts20-0.12-0.3369.98%
192CP415Number of FaceBook Pages82-0.12-0.2871.51%
193CP225Has Meta Description11-0.12-0.3667.02%
194CP430Number of Instagram Pages141-0.12-0.2775.41%
195CP491Keywords in Value Attributes341-0.12-0.3372.34%
196CP428Number of Images without Alt Text3810-0.12-0.2878.01%
197CP479iiTitle Has Sentiment Words10-0.12-0.3571.75%
198CP207Has Contact Page11-0.12-0.3761.94%
199CP381aSearch Terms in Meta Descriptions10-0.12-0.3482.15%
200CP172Leading Keywords in H4 Tags50-0.12-0.3574.35%


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