Top SEO Factors




Top SEO Factors - 2021-11-03      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 - 2021-11-03 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1ENT000aNumber of Entities Used6025-0.30-0.6374.27%
2CPZZZNumber of Factors Used209135-0.25-0.5190.37%
3CP470Keywords in the HTML Tag998151-0.25-0.5295.37%
4CPX010Keywords in Div Tags693110-0.24-0.5195.12%
5CP061Ahrefs Referring Class C Addresses43245-0.24-0.3920.24%
6CP134Keywords in Body Tag873129-0.23-0.5395.24%
7CP063Ahrefs Referring IP Addresses1,27560-0.23-0.3720.24%
8CP062Ahrefs Referring Domains1,17360-0.23-0.3720.49%
9CP161Keywords in H1-H6 Tags317-0.23-0.4992.07%
10CP067Ahrefs Text Backlinks1,191,1207,156-0.23-0.3220.00%
11CP059Ahrefs Rank3916-0.23-0.4817.44%
12CP475Term Frequency75-0.23-0.4994.15%
13CP064Ahrefs Referring Pages1,191,1237,170-0.23-0.3220.00%
14CP002Ahrefs Backlinks1,191,1247,170-0.23-0.3220.00%
15CP157Keywords in H1, H2, and H3 Tags276-0.22-0.4891.71%
16CP129Keywords in A Tags13424-0.22-0.4794.63%
17CP465Keywords in P Tags19630-0.22-0.4991.95%
18LSI002LSI Words in Sentences3,220456-0.22-0.4796.10%
19CP054Ahrefs NoFollow Backlinks12,557290-0.22-0.3520.12%
20CP153Keywords in H1 and H2 Tags164-0.21-0.4890.98%
21ENT003Entities in H2 Tags305-0.21-0.5170.49%
22CP097Search Result Link Text Matches31-0.21-0.5180.37%
23CP071Search Result Display URL Matches31-0.21-0.5180.37%
24CP127bKeywords in Unique A Tag HREFs13428-0.21-0.4577.68%
25ENT009Entities in Title Tag62-0.21-0.5069.51%
26CP127Keywords in A Tag HREFs21442-0.21-0.4591.83%
27CP469Keywords in Sentences14221-0.21-0.4588.90%
28CP375Keywords in LI Tags16917-0.21-0.4794.88%
29CP004Ahrefs Dofollow Backlinks1,187,8816,818-0.21-0.3020.12%
30ENT004Entities in H3 Tags215-0.20-0.4871.34%
31CP999Search Result Path Matches41-0.20-0.4968.54%
32CP481Keywords in Title Tag42-0.20-0.4881.46%
33GD001Google Variation Density102-0.20-0.4870.24%
34CKWD001Clean Keyword Density in the HTML Tag124-0.20-0.4577.07%
35ENT018Entities in Sentences52484-0.20-0.4297.44%
36CP165Keywords in H2 Tags153-0.20-0.4788.90%
37CP135Body Tag Size Kilobytes20981-0.20-0.4791.34%
38CPXX888Number of HTML Tags3,347885-0.19-0.4889.27%
39CP160Leading Keywords in H1-H6 Tags92-0.19-0.4589.63%
40CP458Page Size Kilobytes293143-0.19-0.4987.93%
41DD010DomDetailer Majestic Referring Subnets64,41616,031-0.19-0.2929.27%
42CP465cKeywords in script Tags44431-0.19-0.4793.41%
43DD006DomDetailer Majestic IPs216,63959,358-0.19-0.2830.00%
44DD008DomDetailer Majestic Referring Domains1,773,913382,346-0.19-0.2930.24%
45DD015DomDetailer Moz PA6944-0.19-0.4627.56%
46CP156Leading Keywords in H1, H2, and H3 Tags71-0.19-0.4489.76%
47CP128Keywords in Alt Attributes637-0.19-0.4188.29%
48ENT001Entities in HTML Tag3,882288-0.18-0.3997.56%
49CP140Clean Text Kilobytes3911-0.18-0.3990.37%
50CP492bUnabridged Word Count6,7851,687-0.18-0.3990.85%
51CP134aSearch Terms in Body Tag15011-0.18-0.4390.61%
52CP492Word Count5,1071,305-0.18-0.4090.37%
53CP471Keywords in Span Tags489-0.18-0.4091.83%
54LSI001LSI Words in Title Tag145-0.18-0.4390.61%
55CP381Keywords in Meta Descriptions42-0.18-0.4584.27%
56DD005DomDetailer Majestic CF6137-0.18-0.4428.90%
57CP108Search Result Summary Length334162-0.18-0.4388.17%
58DD013DomDetailer Moz DA8445-0.18-0.4227.07%
59CP146Keywords in the First 100 Words197-0.18-0.4377.07%
60CP113Search Result URL Matches51-0.18-0.4477.68%
61GD003Google Density Variations19941-0.18-0.4264.88%
62DD012DomDetailer Majestic TF6229-0.17-0.4128.17%
63CP137Keywords in the Canonical URL41-0.17-0.4483.05%
64CPXR24Number of P Tags19735-0.17-0.4283.17%
65CP152Keywords in H1 Tags31-0.17-0.4278.78%
66CP019Ahrefs Has DoFollow Backlinks11-0.17-0.4819.63%
67CP124aKeywords in Absolute URLs33340-0.17-0.3988.17%
68DD016DomDetailer Moz Rank85-0.17-0.4226.95%
69DD002DomDetailer Facebook Shares9,819,568-729,687-0.17-0.2928.78%
70CP470aSearch Terms in the HTML Tag1818-0.17-0.4186.46%
71ENT008Entities in Meta Description Tag83-0.17-0.4565.37%
72CP425Number of HTTPS Links581145-0.17-0.3988.29%
73CP468Number of Sentences24249-0.17-0.3884.39%
74CP005Ahrefs Domain Rating7841-0.17-0.4217.20%
75LSI006LSI Words in H2 Tags7812-0.17-0.4291.46%
76CP435Number of Links590153-0.17-0.3986.83%
77CP431Number of Internal Links583137-0.17-0.3887.20%
78CP045Ahrefs Has Text Backlinks11-0.17-0.4819.76%
79ENT005Entities in H4 Tags122-0.17-0.4464.15%
80CPXR018Keywords in Nav Tags18017-0.17-0.4088.66%
81CP410Number of DoFollow Links566147-0.17-0.3886.71%
82CP476TF/IDF11-0.17-0.4680.85%
83CP017Ahrefs Has Backlinks11-0.17-0.4819.27%
84CPXR003Number of Heading Tags5020-0.17-0.4184.63%
85CP169Keywords in H3 Tags122-0.17-0.3990.49%
86CP038Ahrefs Has NoFollow Backlinks11-0.16-0.4719.88%
87ENT002Entities in H1 Tags62-0.16-0.4162.68%
88CP109Search Result Summary Text Matches63-0.16-0.4576.22%
89CP383Keywords in Meta OpenGraph Description41-0.16-0.4180.37%
90CP484Leading Keywords in Title Tag10-0.16-0.4578.05%
91CP072Search Result Document Matches41-0.16-0.4265.49%
92CP032Ahrefs Has Image Backlinks10-0.16-0.4317.07%
93DD014DomDetailer Moz Links93,672,77217,910,910-0.16-0.2529.63%
94CP426Number of Images8627-0.16-0.3686.95%
95DD007DomDetailer Majestic Links78,144,5325,581,733-0.16-0.1829.76%
96CP048Ahrefs Image Backlinks10,403289-0.16-0.3118.41%
97CP159aSearch Terms in H1-H6 Tags101-0.16-0.4088.78%
98CP385Keywords in Meta OpenGraph Content31-0.16-0.4377.68%
99CP427Number of Images with Alt Text6918-0.16-0.3786.83%
100CP151Leading Keywords in H1 Tags10-0.16-0.4279.76%
101CPX003Keywords in Main Tags28943-0.16-0.4486.95%
102GD004Google Density Exact Matches422-0.15-0.4160.37%
103CP070Ahrefs Word Count4,4241,441-0.15-0.3613.78%
104ENT013Has Entities in H2 Tags11-0.15-0.4664.39%
105QS003Number of Questions274-0.15-0.3779.88%
106QS004Number of Questions In Headings51-0.15-0.3535.98%
107CPXR005Number of H2 Tags176-0.15-0.3883.66%
108CP391Number of Absolute URLs372129-0.15-0.3783.66%
109CP472Keywords making whole Span Tags71-0.15-0.3986.95%
110CP358Inline Javascript Kilobytes12231-0.15-0.3580.49%
111CP050Ahrefs Internal Links35295-0.15-0.3421.10%
112LSI003LSI Words in Meta Description Tag347-0.15-0.3789.88%
113CP374Keywords in the last 100 words124-0.15-0.3877.80%
114CP125Keywords making whole A Tags41-0.15-0.3884.27%
115CP164Leading Keywords in H2 Tags61-0.15-0.4085.49%
116CPX013Keywords in Footer Tags1186-0.15-0.3783.05%
117DD011DomDetailer Majestic Referring .gov Links20,924,4443,921,085-0.15-0.2928.05%
118CPJLDxSANumber Of JSON-LD Types628-0.15-0.3672.68%
119LSI007LSI Words in H3 Tags7212-0.15-0.3491.34%
120ENT010Title Tag Has Entities11-0.15-0.4157.20%
121CP477Keywords in Title Attributes527-0.15-0.3787.80%
122CP158Keywords making whole H1-H6 Tags40-0.15-0.4178.78%
123LSI005LSI Words in H1 Tags174-0.15-0.3486.71%
124CPXR006Number of H3 Tags297-0.14-0.3485.00%
125CP376Keywords making whole LI Tags31-0.14-0.3884.88%
126CP483aSearch Terms in the Title Tag10-0.14-0.4077.44%
127CP177Keywords in H4-H6 Tags81-0.14-0.3881.10%
128CP126aSearch Terms in A Tags392-0.14-0.3787.68%
129CP467Keywords in Section Tags9415-0.14-0.4083.05%
130ENT014Has Entities in H3 Tags11-0.14-0.4363.17%
131CP173Keywords in H4 Tags71-0.14-0.3880.85%
132CP413Number of External Links5716-0.14-0.3179.02%
133CP473Keywords in Strong Tags202-0.14-0.3779.02%
134CP130Keywords in Article Tags14816-0.14-0.4074.15%
135CP154Keywords making whole H1, H2, and H3 Tags10-0.14-0.3978.78%
136QS012Headings Has Question10-0.14-0.4274.51%
137ENT012Has Entities in H1 Tags11-0.14-0.4057.44%
138CP007Ahrefs External Links10618-0.14-0.3119.63%
139CP213Has FavIcon11-0.13-0.4068.54%
140CP353Head Size Kilobytes11938-0.13-0.3277.56%
141CP056Ahrefs Pages62-0.13-0.2919.76%
142CP380Meta Description Length393127-0.13-0.3371.46%
143CP052Ahrefs Linked Root Domains166-0.13-0.3420.73%
144CP357Inline CSS Kilobytes7425-0.13-0.3578.29%
145QS006Number of Questions In H2 Tags20-0.13-0.3575.73%
146CP104zSearch Result Has Publish Date11-0.13-0.413.41%
147CP409Number of DoFollow External Links4914-0.13-0.2876.34%
148CP114Search Result Uses HTTPS11-0.13-0.3867.93%
149CP168Leading Keywords in H3 Tags20-0.13-0.3682.44%
150ENT015Has Entities in H4 Tags10-0.13-0.4055.24%
151CP099Search Result Number of Dirs in Path32-0.13-0.3461.83%
152CP481bWord Count in Meta Description Tag7020-0.13-0.3372.32%
153DD001DomDetailer Facebook Comments31134-0.13-0.3423.41%
154CP469aSearch Terms in Sentences212-0.13-0.3387.20%
155ENT011Meta Description Tag Has Entities11-0.13-0.3957.80%
156QS007Number of Questions In H3 Tags31-0.13-0.3475.85%
157CP139Keywords in Class Attributes745-0.13-0.3483.54%
158CP150aSearch Terms in H1 Tags10-0.13-0.3477.20%
159CP355Keywords in ID Attributes161-0.13-0.3583.54%
160CP077Search Result Domain Matches10-0.13-0.3747.93%
161CPJLD011Has JSON-LD Answer10-0.13-0.3956.95%
162CPJLD217Has JSON-LD Question10-0.13-0.3956.71%
163CP377Load Time Milliseconds28,8912,417-0.13-0.2670.85%
164CP440Number of NoFollow Links346-0.13-0.3080.61%
165CP006Ahrefs Edu Backlinks47,565349-0.12-0.3014.02%
166CP444Number of Social Accounts41-0.12-0.3274.63%
167CP313Has Privacy Policy11-0.12-0.3874.76%
168CP460Percentage of DoFollow Internal Links9480-0.12-0.3270.85%
169CP309Has OpenGraph Image11-0.12-0.3961.46%
170CP049Ahrefs Images7021-0.12-0.3113.66%
171CPXR007Number of H4 Tags224-0.12-0.3279.02%
172CP034Ahrefs Has Internal Links11-0.12-0.3817.56%
173CP415Number of FaceBook Pages82-0.12-0.2972.32%
174CP451Number of US Phone Numbers1166-0.12-0.3276.34%
175CP176Leading Keywords in H4-H6 Tags40-0.12-0.3574.88%
176LSI008LSI Words in H4 Tags445-0.12-0.3285.12%
177CP445Number of Social Pages133-0.12-0.2774.27%
178CP207Has Contact Page11-0.12-0.3861.46%
179CP022Ahrefs Has External Links11-0.12-0.3816.95%
180CP356Keywords in I Tags122-0.12-0.3478.54%
181CPXR011Keywords in Button Tags150-0.12-0.3579.76%
182CP432Number of JavaScript Includes3014-0.12-0.3068.54%
183CP454Number of YouTube Accounts10-0.12-0.3469.63%
184CP021Ahrefs Has EDU Backlinks10-0.12-0.3413.29%
185CP424Number of HREF Lang Tags121-0.12-0.3475.61%
186CP036Ahrefs Has Linked Root Domains11-0.12-0.3718.05%
187CP225Has Meta Description11-0.12-0.3766.59%
188CPJLDxCBNumber Of Claimed Brands61-0.12-0.3463.54%
189CP204Has Canonical URL11-0.12-0.3772.68%
190CP172Leading Keywords in H4 Tags30-0.12-0.3673.17%
191CP057Ahrefs Page Size61,32429,797-0.12-0.2713.17%
192CP479iiTitle Has Sentiment Words10-0.12-0.3571.10%
193CP430Number of Instagram Pages141-0.12-0.2776.71%
194CP060Ahrefs Redirects46311-0.12-0.2817.56%
195CP491Keywords in Value Attributes341-0.12-0.3370.73%
196CP439Number of NoFollow Externa Links233-0.12-0.3180.49%
197CP479Title Has Sales Words10-0.12-0.3571.71%
198CPJLD007Has JSON-LD AggregateRating10-0.12-0.3859.39%
199CP208Has Copyright11-0.12-0.3867.56%
200CP428Number of Images without Alt Text389-0.12-0.2877.56%


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