Top SEO Factors




Top SEO Factors - 2021-12-26      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 - 2021-12-26 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1ENT000aNumber of Entities Used6829-0.30-0.6268.64%
2CPZZZ50Number of Top 50 Shared Factors Used4228-0.28-0.4719.29%
3CPZZZ100Number of Top 100 Shared Factors Used7656-0.26-0.4619.53%
4CP054Ahrefs NoFollow Backlinks5,409241-0.24-0.3113.14%
5CP470Keywords in the HTML Tag1,038197-0.24-0.5191.95%
6CPZZZNumber of Factors Used217138-0.24-0.5091.72%
7CP063Ahrefs Referring IP Addresses45856-0.24-0.3313.14%
8CP061Ahrefs Referring Class C Addresses31044-0.24-0.3313.14%
9CP062Ahrefs Referring Domains48956-0.23-0.3313.02%
10CPX010Keywords in Div Tags713134-0.23-0.4991.01%
11CPZZZ200Number of Top 200 Shared Factors Used13498-0.23-0.4618.34%
12CP134Keywords in Body Tag980174-0.23-0.5193.25%
13CP059Ahrefs Rank4115-0.23-0.4511.60%
14CP067Ahrefs Text Backlinks71,9422,105-0.23-0.2513.49%
15CP002Ahrefs Backlinks71,9562,286-0.23-0.2513.49%
16CP064Ahrefs Referring Pages71,9562,286-0.23-0.2513.49%
17LSI002LSI Words in Sentences3,406613-0.22-0.4697.28%
18CP475Term Frequency75-0.22-0.4892.43%
19CP127bKeywords in Unique A Tag HREFs18138-0.22-0.4589.23%
20ENT003Entities in H2 Tags417-0.22-0.5168.05%
21CP127Keywords in A Tag HREFs26654-0.22-0.4591.95%
22CP129Keywords in A Tags13629-0.21-0.4592.78%
23CP161Keywords in H1-H6 Tags329-0.21-0.4790.30%
24CP157Keywords in H1, H2, and H3 Tags307-0.21-0.4690.89%
25CP465Keywords in P Tags17839-0.21-0.4590.53%
26CP469Keywords in Sentences12528-0.21-0.4489.82%
27CP153Keywords in H1 and H2 Tags185-0.20-0.4789.35%
28CP134aSearch Terms in Body Tag21213-0.20-0.4491.95%
29CP375Keywords in LI Tags7320-0.20-0.4590.77%
30ENT009Entities in Title Tag63-0.20-0.4964.38%
31ENT004Entities in H3 Tags366-0.20-0.4767.69%
32CKWD001Clean Keyword Density in the HTML Tag114-0.20-0.4782.49%
33CP113Search Result URL Matches52-0.20-0.4879.88%
34CP999Search Result Path Matches52-0.20-0.4977.51%
35CP470aSearch Terms in the HTML Tag2598-0.20-0.4587.69%
36CP004Ahrefs Dofollow Backlinks69,3661,898-0.20-0.2513.61%
37GD001Google Variation Density103-0.20-0.4680.12%
38CP140Clean Text Kilobytes3111-0.19-0.4183.67%
39CP135Body Tag Size Kilobytes25286-0.19-0.4585.56%
40CP488Keywords in pages top 10 most used phrases52-0.19-0.5086.04%
41CP160Leading Keywords in H1-H6 Tags102-0.19-0.4586.15%
42CP108Search Result Summary Length349161-0.19-0.4384.14%
43CP156Leading Keywords in H1, H2, and H3 Tags62-0.19-0.4686.04%
44CP487Keywords in pages top 5 most used phrases31-0.19-0.4985.80%
45CP492bUnabridged Word Count5,2111,825-0.19-0.4187.34%
46CP124aKeywords in Absolute URLs44255-0.19-0.4489.94%
47CP458Page Size Kilobytes325148-0.19-0.4684.50%
48CPXX888Number of HTML Tags3,267863-0.19-0.4481.18%
49DD010DomDetailer Majestic Referring Subnets44,07513,551-0.19-0.2428.64%
50DD006DomDetailer Majestic IPs191,02744,812-0.19-0.2328.64%
51CP165Keywords in H2 Tags163-0.19-0.4493.02%
52CP137Keywords in the Canonical URL52-0.19-0.4882.49%
53DD008DomDetailer Majestic Referring Domains1,572,195247,660-0.19-0.2328.76%
54CP492Word Count4,2611,425-0.18-0.3985.80%
55DD015DomDetailer Moz PA7043-0.18-0.4326.98%
56CP465cKeywords in script Tags45341-0.18-0.4291.72%
57DD005DomDetailer Majestic CF6637-0.18-0.4328.40%
58CP072Search Result Document Matches52-0.18-0.4669.59%
59LSI001LSI Words in Title Tag146-0.18-0.4390.77%
60CP159aSearch Terms in H1-H6 Tags121-0.18-0.4288.64%
61CP097Search Result Link Text Matches31-0.18-0.4574.79%
62CP071Search Result Display URL Matches31-0.18-0.4574.79%
63ENT002Entities in H1 Tags62-0.18-0.4257.40%
64LSI006LSI Words in H2 Tags9017-0.18-0.4393.96%
65ENT018Entities in Sentences624104-0.17-0.3597.75%
66CP486Keywords in pages top 3 most used phrases21-0.17-0.4782.01%
67CP471Keywords in Span Tags4010-0.17-0.3888.28%
68CP468Number of Sentences20258-0.17-0.3883.79%
69CP484Leading Keywords in Title Tag10-0.17-0.4774.44%
70GD004Google Density Exact Matches282-0.17-0.4069.47%
71CP146Keywords in the First 100 Words207-0.17-0.4379.64%
72CP425Number of HTTPS Links516143-0.17-0.3880.36%
73CP109Search Result Summary Text Matches63-0.17-0.4780.00%
74CP410Number of DoFollow Links505142-0.17-0.3878.46%
75CP431Number of Internal Links502130-0.17-0.3880.24%
76CP038Ahrefs Has NoFollow Backlinks11-0.17-0.4612.90%
77CP381Keywords in Meta Descriptions52-0.17-0.4480.36%
78DD013DomDetailer Moz DA8544-0.17-0.4027.10%
79CP128Keywords in Alt Attributes568-0.17-0.3887.10%
80CP435Number of Links517148-0.17-0.3779.29%
81CP481Keywords in Title Tag32-0.17-0.4174.32%
82ENT008Entities in Meta Description Tag113-0.17-0.4459.05%
83LSI003LSI Words in Meta Description Tag289-0.17-0.4187.10%
84CPXR24Number of P Tags12939-0.17-0.3885.68%
85DD012DomDetailer Majestic TF6029-0.16-0.3827.69%
86DD007DomDetailer Majestic Links173,742,59819,236,605-0.16-0.1928.99%
87CPXR003Number of Heading Tags7021-0.16-0.4086.63%
88GD003Google Density Variations19944-0.16-0.3975.03%
89CP169Keywords in H3 Tags143-0.16-0.3988.17%
90QS004Number of Questions In Headings71-0.16-0.3831.83%
91CPX003Keywords in Main Tags50562-0.16-0.4584.38%
92CP164Leading Keywords in H2 Tags31-0.16-0.4284.62%
93ENT001Entities in HTML Tag3,831324-0.16-0.3393.49%
94CP151Leading Keywords in H1 Tags10-0.16-0.4375.62%
95CPXR018Keywords in Nav Tags23022-0.16-0.3986.27%
96CP483aSearch Terms in the Title Tag10-0.16-0.4281.42%
97LSI007LSI Words in H3 Tags17516-0.16-0.3890.77%
98DD016DomDetailer Moz Rank85-0.15-0.3927.22%
99CP070Ahrefs Word Count3,2191,176-0.15-0.3711.48%
100CP019Ahrefs Has DoFollow Backlinks11-0.15-0.4313.14%
101CP005Ahrefs Domain Rating7535-0.15-0.3710.77%
102QS003Number of Questions155-0.15-0.3777.87%
103CP476TF/IDF11-0.15-0.4378.22%
104DD014DomDetailer Moz Links91,215,13512,185,647-0.15-0.2228.05%
105CP150aSearch Terms in H1 Tags10-0.15-0.3981.78%
106CPXR005Number of H2 Tags176-0.15-0.3885.44%
107DD002DomDetailer Facebook Shares9,481,683-2,638,973-0.15-0.2329.35%
108CP469aSearch Terms in Sentences432-0.15-0.3988.28%
109CP125Keywords making whole A Tags51-0.15-0.3784.02%
110CP426Number of Images14027-0.15-0.3778.46%
111CP374Keywords in the last 100 words114-0.15-0.3778.34%
112CP358Inline Javascript Kilobytes11232-0.15-0.3584.02%
113CP045Ahrefs Has Text Backlinks11-0.15-0.4112.78%
114CP152Keywords in H1 Tags31-0.15-0.3675.74%
115LSI005LSI Words in H1 Tags135-0.15-0.3486.98%
116CP017Ahrefs Has Backlinks11-0.15-0.4112.66%
117ENT005Entities in H4 Tags132-0.15-0.4162.13%
118CP376Keywords making whole LI Tags51-0.15-0.3879.53%
119CPX013Keywords in Footer Tags536-0.14-0.3679.29%
120ENT014Has Entities in H3 Tags11-0.14-0.4356.21%
121CP383Keywords in Meta OpenGraph Description122-0.14-0.3977.99%
122CP391Number of Absolute URLs489148-0.14-0.3582.84%
123CPXR006Number of H3 Tags557-0.14-0.3583.43%
124ENT013Has Entities in H2 Tags11-0.14-0.4460.83%
125CP427Number of Images with Alt Text11718-0.14-0.3681.78%
126CPJLDxSANumber Of JSON-LD Types11210-0.14-0.3979.41%
127CP413Number of External Links8119-0.14-0.3277.75%
128CP472Keywords making whole Span Tags51-0.14-0.3481.18%
129CP477Keywords in Title Attributes868-0.14-0.3683.43%
130CP168Leading Keywords in H3 Tags31-0.14-0.3779.64%
131CP150a2Search Terms in H2 Tags60-0.14-0.3887.93%
132ENT010Title Tag Has Entities11-0.14-0.3951.12%
133CP048Ahrefs Image Backlinks15,977511-0.14-0.2412.78%
134CP355Keywords in ID Attributes131-0.14-0.3882.72%
135CP032Ahrefs Has Image Backlinks10-0.14-0.3812.54%
136QS012Headings Has Question10-0.14-0.4071.72%
137CP050Ahrefs Internal Links73791-0.14-0.2613.02%
138CP385Keywords in Meta OpenGraph Content31-0.13-0.3875.15%
139CP473Keywords in Strong Tags173-0.13-0.3480.47%
140CP126aSearch Terms in A Tags872-0.13-0.3487.93%
141CP177Keywords in H4-H6 Tags132-0.13-0.3678.46%
142CP485Keywords in pages most used phrase10-0.13-0.4174.44%
143DD011DomDetailer Majestic Referring .gov Links17,156,5572,026,200-0.13-0.1726.63%
144CP409Number of DoFollow External Links6816-0.13-0.2977.16%
145CP057Ahrefs Page Size59,72126,621-0.13-0.2811.24%
146CP139Keywords in Class Attributes1807-0.13-0.3374.79%
147ENT012Has Entities in H1 Tags11-0.13-0.3953.96%
148PAGE009Number of Prices11830-0.13-0.3216.09%
149CP467Keywords in Section Tags9219-0.13-0.3681.30%
150QS006Number of Questions In H2 Tags31-0.13-0.3275.86%
151CP052Ahrefs Linked Root Domains166-0.13-0.3112.78%
152CP154Keywords making whole H1, H2, and H3 Tags10-0.13-0.3773.85%
153CP158Keywords making whole H1-H6 Tags40-0.13-0.3774.67%
154QS007Number of Questions In H3 Tags31-0.13-0.3576.57%
155CPXR011Keywords in Button Tags141-0.13-0.3676.09%
156CP007Ahrefs External Links5418-0.13-0.2212.78%
157ENT011Meta Description Tag Has Entities11-0.13-0.3951.60%
158CPJLD131Has JSON-LD LegalService10-0.12-0.366.27%
159CPJLD011Has JSON-LD Answer10-0.12-0.3959.76%
160CP465zKeywords in Form Tags51-0.12-0.3672.90%
161CP173Keywords in H4 Tags81-0.12-0.3581.78%
162CPJLD217Has JSON-LD Question10-0.12-0.3859.76%
163CP353Head Size Kilobytes11940-0.12-0.3377.51%
164CP460Percentage of DoFollow Internal Links9477-0.12-0.3364.50%
165CP133Keywords in B Tags102-0.12-0.3371.01%
166CP381aSearch Terms in Meta Descriptions10-0.12-0.3784.14%
167CP149Keywords making whole H1 Tags10-0.12-0.3872.31%
168CP357Inline CSS Kilobytes7528-0.12-0.3577.99%
169CP114Search Result Uses HTTPS11-0.12-0.3761.89%
170PAGE010Number of Schema Products131-0.12-0.388.76%
171LSI008LSI Words in H4 Tags607-0.12-0.3184.97%
172CP451Number of US Phone Numbers1307-0.12-0.2670.65%
173CP099Search Result Number of Dirs in Path32-0.12-0.3361.54%
174CP130Keywords in Article Tags15724-0.12-0.3780.00%
175CP347Has US Phone Number10-0.12-0.3854.79%
176CP034Ahrefs Has Internal Links11-0.12-0.3611.60%
177CP104bSearch Result Publish Date2,014,085,5931,888,852,546-0.12-0.3148.17%
178CP313Has Privacy Policy11-0.12-0.3774.20%
179CP356Keywords in I Tags293-0.12-0.3376.21%
180CPXR015Keywords in Figure Tags1878-0.12-0.3476.45%
181CP377Load Time Milliseconds45,8552,423-0.12-0.2567.69%
182CP142Keywords in Em Tags50-0.12-0.3474.20%
183CPXR007Number of H4 Tags254-0.12-0.3176.45%
184CP380Meta Description Length288122-0.12-0.3170.77%
185CP036Ahrefs Has Linked Root Domains11-0.12-0.3611.60%
186CP481bWord Count in Meta Description Tag4420-0.12-0.3269.59%
187CPJLDxKANumber Of JSON-LD Entity References81-0.12-0.3660.12%
188CP345Has Terms of Service10-0.12-0.3669.59%
189CP428Number of Images without Alt Text7010-0.12-0.3170.77%
190CPJLD189Has JSON-LD Organization10-0.11-0.3863.08%
191CP491Keywords in Value Attributes482-0.11-0.3072.07%
192CP213Has FavIcon11-0.11-0.3864.38%
193CP056Ahrefs Pages51-0.11-0.2512.19%
194CP439Number of NoFollow Externa Links304-0.11-0.3174.08%
195CP207Has Contact Page11-0.11-0.3557.40%
196CPJLD122Has JSON-LD ImageObject10-0.11-0.3561.07%
197ENT015Has Entities in H4 Tags10-0.11-0.3650.65%
198CP204Has Canonical URL11-0.11-0.3665.44%
199CP148Flesch Kincaid Reading Grade74-0.11-0.2628.99%
200CP022Ahrefs Has External Links11-0.11-0.3412.19%


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