Top SEO Factors




Top SEO Factors - 2021-11-18      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 - 2021-11-18 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1ENT000aNumber of Entities Used7326-0.30-0.6376.08%
2CPZZZNumber of Factors Used205135-0.26-0.5289.67%
3CP470Keywords in the HTML Tag38,261224-0.24-0.5195.98%
4CP061Ahrefs Referring Class C Addresses1,26058-0.24-0.4118.66%
5CP062Ahrefs Referring Domains2,77590-0.24-0.4018.76%
6CP054Ahrefs NoFollow Backlinks128,2581,673-0.24-0.3818.28%
7CP059Ahrefs Rank3916-0.24-0.4915.50%
8CP063Ahrefs Referring IP Addresses2,25285-0.24-0.4118.66%
9CP067Ahrefs Text Backlinks1,191,1208,916-0.23-0.3418.47%
10CP002Ahrefs Backlinks1,191,1248,890-0.23-0.3318.56%
11CP064Ahrefs Referring Pages1,191,1238,890-0.23-0.3318.56%
12CP134Keywords in Body Tag29,333189-0.23-0.5295.41%
13CPX010Keywords in Div Tags22,921151-0.23-0.5195.12%
14CP475Term Frequency115-0.23-0.4994.83%
15LSI002LSI Words in Sentences2,731502-0.22-0.4896.46%
16CP129Keywords in A Tags5,15837-0.22-0.4796.17%
17ENT009Entities in Title Tag62-0.22-0.5171.48%
18CP161Keywords in H1-H6 Tags1508-0.22-0.4892.34%
19CP157Keywords in H1, H2, and H3 Tags1036-0.21-0.4892.06%
20CP465Keywords in P Tags2,18633-0.21-0.4993.21%
21CP004Ahrefs Dofollow Backlinks1,187,8816,960-0.21-0.3318.09%
22ENT003Entities in H2 Tags295-0.21-0.5073.40%
23CP153Keywords in H1 and H2 Tags424-0.21-0.4890.24%
24ENT018Entities in Sentences42787-0.21-0.4497.80%
25CP135Body Tag Size Kilobytes30786-0.21-0.4891.29%
26CP469Keywords in Sentences14221-0.20-0.4589.09%
27CP375Keywords in LI Tags97119-0.20-0.4794.74%
28CP097Search Result Link Text Matches71-0.20-0.5079.71%
29CP071Search Result Display URL Matches71-0.20-0.5079.71%
30CP127bKeywords in Unique A Tag HREFs1,70235-0.20-0.4578.47%
31CP127Keywords in A Tag HREFs2,43451-0.20-0.4493.40%
32CKWD001Clean Keyword Density in the HTML Tag2044-0.20-0.4576.27%
33CP458Page Size Kilobytes411151-0.20-0.4987.08%
34CP465cKeywords in script Tags5,79849-0.20-0.4792.92%
35ENT001Entities in HTML Tag3,882309-0.19-0.4197.51%
36CPXX888Number of HTML Tags2,937916-0.19-0.4788.61%
37ENT004Entities in H3 Tags245-0.19-0.4873.78%
38CP165Keywords in H2 Tags503-0.19-0.4690.05%
39CP481Keywords in Title Tag82-0.19-0.4680.48%
40DD010DomDetailer Majestic Referring Subnets64,41615,158-0.19-0.2528.33%
41GD001Google Variation Density3393-0.19-0.4571.20%
42DD006DomDetailer Majestic IPs248,22457,330-0.19-0.2429.00%
43CP492bUnabridged Word Count6,7851,681-0.19-0.4190.14%
44CP140Clean Text Kilobytes3911-0.19-0.4089.95%
45DD008DomDetailer Majestic Referring Domains1,796,281373,065-0.19-0.2529.47%
46DD015DomDetailer Moz PA6942-0.18-0.4526.41%
47CP999Search Result Path Matches141-0.18-0.4571.48%
48CP492Word Count5,1071,311-0.18-0.4088.80%
49CP160Leading Keywords in H1-H6 Tags312-0.18-0.4390.53%
50LSI001LSI Words in Title Tag145-0.18-0.4390.33%
51CP019Ahrefs Has DoFollow Backlinks11-0.18-0.4817.32%
52CP134aSearch Terms in Body Tag21412-0.18-0.4290.53%
53DD013DomDetailer Moz DA8442-0.18-0.4125.55%
54CP156Leading Keywords in H1, H2, and H3 Tags232-0.18-0.4390.24%
55DD005DomDetailer Majestic CF6136-0.18-0.4228.23%
56CP471Keywords in Span Tags42610-0.18-0.4192.15%
57CP128Keywords in Alt Attributes2157-0.18-0.4090.53%
58CP425Number of HTTPS Links581152-0.18-0.4086.41%
59ENT008Entities in Meta Description Tag1083-0.18-0.4567.56%
60CP470aSearch Terms in the HTML Tag2148-0.17-0.4186.41%
61CP381Keywords in Meta Descriptions932-0.17-0.4483.73%
62CP108Search Result Summary Length412161-0.17-0.4287.46%
63CP070Ahrefs Word Count4,4241,398-0.17-0.3913.40%
64DD016DomDetailer Moz Rank84-0.17-0.4224.98%
65CP146Keywords in the First 100 Words2077-0.17-0.4377.22%
66CP045Ahrefs Has Text Backlinks11-0.17-0.4717.61%
67CP124aKeywords in Absolute URLs9,07262-0.17-0.3887.66%
68DD012DomDetailer Majestic TF6228-0.17-0.3927.94%
69GD003Google Density Variations7,75267-0.17-0.4165.65%
70CP431Number of Internal Links583140-0.17-0.3986.32%
71DD002DomDetailer Facebook Shares9,819,56869,029-0.17-0.2628.33%
72CP017Ahrefs Has Backlinks11-0.17-0.4617.42%
73LSI006LSI Words in H2 Tags6313-0.17-0.4192.15%
74CP038Ahrefs Has NoFollow Backlinks11-0.17-0.4617.42%
75CP032Ahrefs Has Image Backlinks10-0.17-0.4415.41%
76CP435Number of Links590157-0.17-0.3985.84%
77ENT002Entities in H1 Tags62-0.17-0.4265.26%
78CP468Number of Sentences24249-0.17-0.3882.97%
79CP113Search Result URL Matches211-0.17-0.4278.85%
80CPXR018Keywords in Nav Tags6,45432-0.17-0.4190.05%
81CP410Number of DoFollow Links566151-0.17-0.3985.93%
82CP137Keywords in the Canonical URL51-0.17-0.4281.91%
83CP048Ahrefs Image Backlinks119,7501,610-0.17-0.3316.65%
84DD007DomDetailer Majestic Links99,759,6468,427,783-0.17-0.1928.71%
85ENT005Entities in H4 Tags132-0.16-0.4466.70%
86CP152Keywords in H1 Tags131-0.16-0.4177.70%
87CPXR24Number of P Tags19736-0.16-0.4082.78%
88CP476TF/IDF11-0.16-0.4681.05%
89CP109Search Result Summary Text Matches213-0.16-0.4577.61%
90CP005Ahrefs Domain Rating7840-0.16-0.4114.64%
91CP159aSearch Terms in H1-H6 Tags111-0.16-0.4188.23%
92ENT013Has Entities in H2 Tags11-0.16-0.4665.65%
93CPX003Keywords in Main Tags15,49082-0.16-0.4486.51%
94DD014DomDetailer Moz Links93,672,77217,689,281-0.16-0.2428.33%
95CPXR003Number of Heading Tags5321-0.16-0.3984.02%
96QS004Number of Questions In Headings61-0.16-0.3942.39%
97CP169Keywords in H3 Tags822-0.16-0.3990.53%
98CP383Keywords in Meta OpenGraph Description922-0.15-0.4078.09%
99CP385Keywords in Meta OpenGraph Content111-0.15-0.4274.74%
100CP484Leading Keywords in Title Tag10-0.15-0.4475.50%
101CP057Ahrefs Page Size81,04930,496-0.15-0.3412.63%
102LSI003LSI Words in Meta Description Tag3499-0.15-0.3889.67%
103ENT010Title Tag Has Entities11-0.15-0.4258.95%
104CP151Leading Keywords in H1 Tags10-0.15-0.4178.37%
105CP426Number of Images9929-0.15-0.3584.78%
106CP072Search Result Document Matches131-0.15-0.4066.70%
107CP358Inline Javascript Kilobytes15734-0.15-0.3481.53%
108CP391Number of Absolute URLs434138-0.15-0.3782.20%
109CP050Ahrefs Internal Links384100-0.15-0.3318.56%
110QS003Number of Questions274-0.15-0.3579.71%
111CP427Number of Images with Alt Text7519-0.15-0.3586.41%
112CP472Keywords making whole Span Tags71-0.15-0.3885.26%
113CP467Keywords in Section Tags89015-0.15-0.4183.16%
114LSI005LSI Words in H1 Tags174-0.15-0.3685.55%
115CP376Keywords making whole LI Tags41-0.15-0.3882.58%
116CP125Keywords making whole A Tags41-0.15-0.3783.44%
117GD004Google Density Exact Matches422-0.15-0.3763.35%
118CP164Leading Keywords in H2 Tags81-0.15-0.3986.12%
119LSI007LSI Words in H3 Tags6013-0.14-0.3591.20%
120CP374Keywords in the last 100 words2024-0.14-0.3677.61%
121CP483aSearch Terms in the Title Tag20-0.14-0.4178.47%
122CPX013Keywords in Footer Tags3,80913-0.14-0.3682.97%
123CP477Keywords in Title Attributes2638-0.14-0.3788.04%
124CPXR005Number of H2 Tags176-0.14-0.3585.65%
125ENT014Has Entities in H3 Tags10-0.14-0.4362.68%
126ENT012Has Entities in H1 Tags11-0.14-0.4159.33%
127CP158Keywords making whole H1-H6 Tags40-0.14-0.4078.37%
128CP007Ahrefs External Links10619-0.14-0.2917.99%
129CP049Ahrefs Images7021-0.14-0.3412.73%
130CPJLDxSANumber Of JSON-LD Types628-0.14-0.3772.15%
131CP126aSearch Terms in A Tags642-0.14-0.3687.56%
132DD011DomDetailer Majestic Referring .gov Links20,976,5833,843,177-0.14-0.2725.84%
133CP056Ahrefs Pages52-0.14-0.3017.42%
134CP473Keywords in Strong Tags1133-0.14-0.3778.37%
135CP353Head Size Kilobytes11940-0.14-0.3474.35%
136CP177Keywords in H4-H6 Tags431-0.14-0.3680.77%
137CP154Keywords making whole H1, H2, and H3 Tags20-0.14-0.3977.61%
138CPXR006Number of H3 Tags257-0.14-0.3384.50%
139CP173Keywords in H4 Tags351-0.13-0.3681.72%
140CP357Inline CSS Kilobytes7427-0.13-0.3677.13%
141ENT011Meta Description Tag Has Entities11-0.13-0.4058.66%
142CP413Number of External Links7217-0.13-0.3176.46%
143CP377Load Time Milliseconds35,9552,406-0.13-0.2770.05%
144CP052Ahrefs Linked Root Domains207-0.13-0.3319.33%
145ENT015Has Entities in H4 Tags10-0.13-0.4156.56%
146CP469aSearch Terms in Sentences251-0.13-0.3387.08%
147QS012Headings Has Question10-0.13-0.4073.30%
148CP168Leading Keywords in H3 Tags131-0.13-0.3583.25%
149CP130Keywords in Article Tags1,49021-0.13-0.3773.21%
150CP409Number of DoFollow External Links6915-0.13-0.2973.21%
151CP380Meta Description Length3,814131-0.13-0.3272.44%
152CP034Ahrefs Has Internal Links11-0.13-0.3916.27%
153DD001DomDetailer Facebook Comments26622-0.13-0.3020.48%
154CP213Has FavIcon11-0.13-0.3869.86%
155CP440Number of NoFollow Links326-0.13-0.3180.57%
156QS006Number of Questions In H2 Tags30-0.13-0.3576.27%
157CP022Ahrefs Has External Links11-0.13-0.3915.89%
158CP099Search Result Number of Dirs in Path42-0.13-0.3360.67%
159CP481bWord Count in Meta Description Tag60121-0.13-0.3372.34%
160CP451Number of US Phone Numbers1427-0.13-0.3277.22%
161CP139Keywords in Class Attributes6,49120-0.13-0.3480.96%
162CPXR007Number of H4 Tags314-0.12-0.3276.17%
163CPJLD011Has JSON-LD Answer10-0.12-0.3955.22%
164CPJLD217Has JSON-LD Question10-0.12-0.3955.02%
165CP355Keywords in ID Attributes7162-0.12-0.3382.58%
166QS007Number of Questions In H3 Tags30-0.12-0.3473.97%
167CP424Number of HREF Lang Tags142-0.12-0.3474.35%
168CP036Ahrefs Has Linked Root Domains11-0.12-0.3816.46%
169CP150aSearch Terms in H1 Tags10-0.12-0.3477.42%
170CP114Search Result Uses HTTPS11-0.12-0.3764.59%
171LSI008LSI Words in H4 Tags456-0.12-0.3283.92%
172CP077Search Result Domain Matches60-0.12-0.3550.33%
173CP428Number of Images without Alt Text3810-0.12-0.2976.36%
174CP479iiTitle Has Sentiment Words10-0.12-0.3569.28%
175CP176Leading Keywords in H4-H6 Tags80-0.12-0.3574.45%
176CP149Keywords making whole H1 Tags10-0.12-0.3675.79%
177CPXR011Keywords in Button Tags4101-0.12-0.3580.19%
178CP444Number of Social Accounts61-0.12-0.3070.53%
179CP150a2Search Terms in H2 Tags70-0.12-0.3384.69%
180CP439Number of NoFollow Externa Links263-0.12-0.3278.76%
181CP104zSearch Result Has Publish Date11-0.12-0.362.78%
182CPJLD007Has JSON-LD AggregateRating10-0.12-0.3860.19%
183CP319Has Schema Markup11-0.12-0.3870.33%
184CP356Keywords in I Tags802-0.12-0.3377.80%
185CP479Title Has Sales Words10-0.12-0.3569.67%
186CP460Percentage of DoFollow Internal Links9780-0.12-0.3172.73%
187CP432Number of JavaScript Includes2914-0.12-0.3066.79%
188CP313Has Privacy Policy11-0.12-0.3771.58%
189CP445Number of Social Pages153-0.12-0.2671.96%
190CPJLDxCBNumber Of Claimed Brands71-0.12-0.3461.44%
191CP033Ahrefs Has Images11-0.12-0.3510.72%
192CPJLD179Has JSON-LD NutritionInformation10-0.12-0.304.59%
193CP060Ahrefs Redirects46312-0.12-0.3015.69%
194CP418Number of Forms152-0.11-0.3169.28%
195CP172Leading Keywords in H4 Tags60-0.11-0.3573.40%
196CP430Number of Instagram Pages141-0.11-0.2774.74%
197CP454Number of YouTube Accounts20-0.11-0.3266.41%
198CP309Has OpenGraph Image11-0.11-0.3656.75%
199CP020Ahrefs Has Domain Rating11-0.11-0.3611.96%
200CP220Has HREF Lang10-0.11-0.3564.02%


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