Top SEO Factors




Top SEO Factors - 2021-11-17      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 - 2021-11-17 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1ENT000aNumber of Entities Used7326-0.30-0.6275.00%
2CPZZZNumber of Factors Used209136-0.26-0.5289.69%
3CP470Keywords in the HTML Tag38,261225-0.24-0.5196.01%
4CP061Ahrefs Referring Class C Addresses1,26054-0.24-0.4119.07%
5CP059Ahrefs Rank3916-0.23-0.4915.86%
6CP062Ahrefs Referring Domains2,77581-0.23-0.4019.16%
7CP054Ahrefs NoFollow Backlinks127,5331,256-0.23-0.3718.68%
8CP063Ahrefs Referring IP Addresses2,25278-0.23-0.4019.07%
9CP067Ahrefs Text Backlinks1,191,1208,134-0.23-0.3318.87%
10CP134Keywords in Body Tag29,333190-0.23-0.5295.33%
11CPX010Keywords in Div Tags22,921151-0.23-0.5095.23%
12CP002Ahrefs Backlinks1,191,1248,111-0.23-0.3318.97%
13CP064Ahrefs Referring Pages1,191,1238,111-0.23-0.3318.97%
14CP475Term Frequency115-0.23-0.4994.65%
15LSI002LSI Words in Sentences2,731501-0.22-0.4896.40%
16CP129Keywords in A Tags5,15836-0.22-0.4795.91%
17CP161Keywords in H1-H6 Tags1367-0.22-0.4892.32%
18ENT009Entities in Title Tag62-0.22-0.5170.72%
19CP157Keywords in H1, H2, and H3 Tags1036-0.21-0.4892.22%
20CP465Keywords in P Tags2,18632-0.21-0.4992.90%
21ENT003Entities in H2 Tags295-0.21-0.5072.37%
22CP004Ahrefs Dofollow Backlinks1,187,8816,582-0.21-0.3318.48%
23CP153Keywords in H1 and H2 Tags424-0.21-0.4790.56%
24CP127bKeywords in Unique A Tag HREFs1,70234-0.20-0.4477.43%
25CP469Keywords in Sentences14221-0.20-0.4589.20%
26CP135Body Tag Size Kilobytes30786-0.20-0.4891.25%
27CP375Keywords in LI Tags97119-0.20-0.4794.75%
28ENT018Entities in Sentences42786-0.20-0.4397.76%
29CP097Search Result Link Text Matches71-0.20-0.5079.67%
30CP071Search Result Display URL Matches71-0.20-0.5079.67%
31CP127Keywords in A Tag HREFs2,43449-0.20-0.4493.19%
32CKWD001Clean Keyword Density in the HTML Tag2044-0.20-0.4575.19%
33CP458Page Size Kilobytes411150-0.20-0.4987.16%
34CP465cKeywords in script Tags5,79845-0.19-0.4793.00%
35CPXX888Number of HTML Tags2,937913-0.19-0.4788.33%
36ENT004Entities in H3 Tags245-0.19-0.4872.67%
37ENT001Entities in HTML Tag3,882305-0.19-0.4197.47%
38CP165Keywords in H2 Tags503-0.19-0.4690.47%
39CP481Keywords in Title Tag82-0.19-0.4680.74%
40DD010DomDetailer Majestic Referring Subnets64,41615,166-0.19-0.2427.43%
41GD001Google Variation Density3393-0.19-0.4570.43%
42CP492bUnabridged Word Count6,7851,681-0.19-0.4190.56%
43CP140Clean Text Kilobytes3911-0.19-0.4090.37%
44DD006DomDetailer Majestic IPs248,22457,511-0.19-0.2428.11%
45CP999Search Result Path Matches141-0.18-0.4571.60%
46CP492Word Count5,1071,311-0.18-0.4089.40%
47LSI001LSI Words in Title Tag145-0.18-0.4390.47%
48CP160Leading Keywords in H1-H6 Tags312-0.18-0.4390.08%
49DD015DomDetailer Moz PA6942-0.18-0.4425.49%
50DD008DomDetailer Majestic Referring Domains1,796,281374,872-0.18-0.2428.60%
51CP134aSearch Terms in Body Tag21412-0.18-0.4290.56%
52CP019Ahrefs Has DoFollow Backlinks11-0.18-0.4817.70%
53CP156Leading Keywords in H1, H2, and H3 Tags232-0.18-0.4389.98%
54DD013DomDetailer Moz DA8442-0.18-0.4124.71%
55CP128Keywords in Alt Attributes2157-0.18-0.4090.56%
56CP471Keywords in Span Tags42610-0.17-0.4191.83%
57CP470aSearch Terms in the HTML Tag2148-0.17-0.4186.67%
58CP425Number of HTTPS Links581151-0.17-0.4086.67%
59ENT008Entities in Meta Description Tag1083-0.17-0.4566.73%
60DD005DomDetailer Majestic CF6136-0.17-0.4227.33%
61CP381Keywords in Meta Descriptions932-0.17-0.4483.66%
62CP108Search Result Summary Length412161-0.17-0.4287.55%
63CP045Ahrefs Has Text Backlinks11-0.17-0.4618.00%
64GD003Google Density Variations7,75263-0.17-0.4164.98%
65CP124aKeywords in Absolute URLs9,07259-0.17-0.3887.45%
66CP146Keywords in the First 100 Words2077-0.17-0.4377.14%
67LSI006LSI Words in H2 Tags6313-0.17-0.4192.51%
68CP070Ahrefs Word Count4,4241,384-0.17-0.3813.52%
69DD016DomDetailer Moz Rank84-0.17-0.4124.22%
70CP017Ahrefs Has Backlinks11-0.17-0.4617.80%
71CP431Number of Internal Links583140-0.17-0.3986.38%
72DD012DomDetailer Majestic TF6228-0.17-0.3826.95%
73CP038Ahrefs Has NoFollow Backlinks11-0.17-0.4617.80%
74DD002DomDetailer Facebook Shares9,819,568-11,129-0.17-0.2627.24%
75CP468Number of Sentences24249-0.17-0.3983.37%
76CP032Ahrefs Has Image Backlinks10-0.17-0.4415.76%
77CP435Number of Links590157-0.17-0.3986.28%
78CP113Search Result URL Matches211-0.17-0.4279.09%
79ENT002Entities in H1 Tags62-0.17-0.4164.30%
80CP137Keywords in the Canonical URL51-0.17-0.4282.00%
81CP410Number of DoFollow Links566151-0.17-0.3986.28%
82CP048Ahrefs Image Backlinks118,7481,191-0.17-0.3317.02%
83CPXR24Number of P Tags19736-0.16-0.4082.88%
84CPXR018Keywords in Nav Tags6,45430-0.16-0.4089.79%
85CP476TF/IDF11-0.16-0.4680.93%
86CP152Keywords in H1 Tags131-0.16-0.4077.63%
87ENT005Entities in H4 Tags132-0.16-0.4365.37%
88CP005Ahrefs Domain Rating7839-0.16-0.4114.98%
89DD007DomDetailer Majestic Links99,759,6468,359,656-0.16-0.1828.02%
90CP109Search Result Summary Text Matches213-0.16-0.4576.85%
91CP159aSearch Terms in H1-H6 Tags111-0.16-0.4188.23%
92ENT013Has Entities in H2 Tags11-0.16-0.4664.79%
93CPXR003Number of Heading Tags5320-0.16-0.3984.14%
94CPX003Keywords in Main Tags15,49078-0.16-0.4486.58%
95QS004Number of Questions In Headings61-0.16-0.3942.41%
96CP169Keywords in H3 Tags822-0.16-0.3990.56%
97CP484Leading Keywords in Title Tag10-0.16-0.4575.29%
98CP385Keywords in Meta OpenGraph Content111-0.15-0.4275.29%
99CP383Keywords in Meta OpenGraph Description922-0.15-0.4078.31%
100CP426Number of Images9929-0.15-0.3584.44%
101DD014DomDetailer Moz Links93,672,77217,399,112-0.15-0.2327.63%
102CP151Leading Keywords in H1 Tags10-0.15-0.4278.60%
103LSI003LSI Words in Meta Description Tag3498-0.15-0.3889.88%
104CP072Search Result Document Matches131-0.15-0.4066.93%
105CP391Number of Absolute URLs434138-0.15-0.3782.30%
106ENT010Title Tag Has Entities11-0.15-0.4257.88%
107CP358Inline Javascript Kilobytes15734-0.15-0.3481.61%
108CP427Number of Images with Alt Text7519-0.15-0.3686.38%
109QS003Number of Questions274-0.15-0.3579.86%
110CP057Ahrefs Page Size81,04930,220-0.15-0.3412.65%
111CP472Keywords making whole Span Tags71-0.15-0.3885.12%
112CP050Ahrefs Internal Links37798-0.15-0.3218.97%
113GD004Google Density Exact Matches422-0.15-0.3762.65%
114LSI005LSI Words in H1 Tags174-0.15-0.3685.70%
115CP376Keywords making whole LI Tags41-0.15-0.3882.59%
116LSI007LSI Words in H3 Tags6013-0.15-0.3591.34%
117CP125Keywords making whole A Tags41-0.15-0.3783.66%
118CP467Keywords in Section Tags89015-0.15-0.4183.46%
119CP483aSearch Terms in the Title Tag20-0.14-0.4178.99%
120CP164Leading Keywords in H2 Tags81-0.14-0.3985.99%
121CPXR005Number of H2 Tags176-0.14-0.3585.80%
122CPX013Keywords in Footer Tags3,80913-0.14-0.3683.17%
123CP374Keywords in the last 100 words2024-0.14-0.3677.72%
124CP477Keywords in Title Attributes2638-0.14-0.3788.13%
125CP158Keywords making whole H1-H6 Tags40-0.14-0.4178.21%
126ENT014Has Entities in H3 Tags10-0.14-0.4361.87%
127ENT012Has Entities in H1 Tags11-0.14-0.4158.17%
128CP007Ahrefs External Links10619-0.14-0.2918.29%
129CPJLDxSANumber Of JSON-LD Types628-0.14-0.3771.40%
130CP126aSearch Terms in A Tags642-0.14-0.3687.35%
131CP049Ahrefs Images7021-0.14-0.3312.84%
132DD011DomDetailer Majestic Referring .gov Links20,976,5833,852,134-0.14-0.2624.90%
133CP473Keywords in Strong Tags1133-0.14-0.3778.40%
134CPXR006Number of H3 Tags257-0.14-0.3384.73%
135CP177Keywords in H4-H6 Tags431-0.14-0.3680.16%
136CP154Keywords making whole H1, H2, and H3 Tags20-0.14-0.3977.43%
137CP353Head Size Kilobytes11940-0.14-0.3474.90%
138CP056Ahrefs Pages51-0.14-0.3017.80%
139CP413Number of External Links7217-0.13-0.3177.24%
140CP173Keywords in H4 Tags351-0.13-0.3680.93%
141ENT011Meta Description Tag Has Entities11-0.13-0.4057.68%
142CP357Inline CSS Kilobytes7427-0.13-0.3677.14%
143CP469aSearch Terms in Sentences251-0.13-0.3387.55%
144CP052Ahrefs Linked Root Domains207-0.13-0.3319.75%
145QS012Headings Has Question10-0.13-0.4073.25%
146ENT015Has Entities in H4 Tags10-0.13-0.4055.64%
147CP377Load Time Milliseconds35,9552,444-0.13-0.2670.23%
148CP130Keywords in Article Tags1,49020-0.13-0.3873.54%
149CP168Leading Keywords in H3 Tags131-0.13-0.3583.07%
150CP409Number of DoFollow External Links6915-0.13-0.2973.93%
151CP380Meta Description Length3,814131-0.13-0.3272.67%
152CP213Has FavIcon11-0.13-0.3868.97%
153CP440Number of NoFollow Links326-0.13-0.3180.45%
154QS006Number of Questions In H2 Tags30-0.13-0.3475.97%
155CP034Ahrefs Has Internal Links11-0.13-0.3916.54%
156CP481bWord Count in Meta Description Tag60121-0.13-0.3372.37%
157DD001DomDetailer Facebook Comments26622-0.13-0.3019.65%
158CP099Search Result Number of Dirs in Path42-0.13-0.3360.70%
159CP139Keywords in Class Attributes6,49120-0.13-0.3480.93%
160CP022Ahrefs Has External Links11-0.12-0.3816.15%
161CPXR007Number of H4 Tags314-0.12-0.3276.36%
162CP451Number of US Phone Numbers1427-0.12-0.3177.14%
163QS007Number of Questions In H3 Tags30-0.12-0.3474.12%
164CPJLD011Has JSON-LD Answer10-0.12-0.3855.16%
165CPJLD217Has JSON-LD Question10-0.12-0.3854.96%
166CP424Number of HREF Lang Tags142-0.12-0.3474.22%
167CP355Keywords in ID Attributes7162-0.12-0.3382.68%
168CP114Search Result Uses HTTPS11-0.12-0.3764.59%
169CP150aSearch Terms in H1 Tags10-0.12-0.3477.63%
170CP077Search Result Domain Matches60-0.12-0.3549.81%
171CP036Ahrefs Has Linked Root Domains11-0.12-0.3716.73%
172CP149Keywords making whole H1 Tags10-0.12-0.3676.46%
173LSI008LSI Words in H4 Tags456-0.12-0.3183.46%
174CP444Number of Social Accounts61-0.12-0.3070.62%
175CP176Leading Keywords in H4-H6 Tags80-0.12-0.3574.42%
176CP428Number of Images without Alt Text3810-0.12-0.2976.26%
177CP479iiTitle Has Sentiment Words10-0.12-0.3569.36%
178CP150a2Search Terms in H2 Tags70-0.12-0.3384.92%
179CP460Percentage of DoFollow Internal Links9780-0.12-0.3172.28%
180CP439Number of NoFollow Externa Links263-0.12-0.3279.38%
181CP104zSearch Result Has Publish Date11-0.12-0.362.82%
182CP356Keywords in I Tags802-0.12-0.3377.04%
183CP432Number of JavaScript Includes2914-0.12-0.3066.83%
184CP319Has Schema Markup11-0.12-0.3870.14%
185CPXR011Keywords in Button Tags4101-0.12-0.3579.77%
186CPJLDxCBNumber Of Claimed Brands71-0.12-0.3461.09%
187CP445Number of Social Pages133-0.12-0.2771.89%
188CP479Title Has Sales Words10-0.12-0.3569.65%
189CPJLD007Has JSON-LD AggregateRating10-0.12-0.3860.02%
190CP313Has Privacy Policy11-0.12-0.3771.50%
191CP172Leading Keywords in H4 Tags60-0.11-0.3573.35%
192CP060Ahrefs Redirects46311-0.11-0.3015.95%
193CP430Number of Instagram Pages141-0.11-0.2775.00%
194CPJLD179Has JSON-LD NutritionInformation10-0.11-0.294.77%
195CP454Number of YouTube Accounts20-0.11-0.3266.63%
196CP418Number of Forms152-0.11-0.3069.46%
197CP309Has OpenGraph Image11-0.11-0.3657.39%
198CP220Has HREF Lang10-0.11-0.3564.40%
199CP414Number of Facebook Accounts31-0.11-0.3172.28%
200CP020Ahrefs Has Domain Rating11-0.11-0.3612.26%


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