Top SEO Factors




Top SEO Factors - 2021-12-27      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 - 2021-12-27 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1ENT000aNumber of Entities Used6830-0.30-0.6371.08%
2CPZZZ50Number of Top 50 Shared Factors Used4228-0.28-0.4720.02%
3CP054Ahrefs NoFollow Backlinks5,409265-0.27-0.3412.11%
4CP063Ahrefs Referring IP Addresses45862-0.26-0.3712.11%
5CP061Ahrefs Referring Class C Addresses31048-0.26-0.3712.11%
6CPZZZ100Number of Top 100 Shared Factors Used7656-0.26-0.4620.27%
7CP062Ahrefs Referring Domains48962-0.26-0.3711.99%
8CP059Ahrefs Rank4117-0.26-0.5110.38%
9CP067Ahrefs Text Backlinks71,9422,307-0.25-0.2812.48%
10CP002Ahrefs Backlinks71,9562,505-0.25-0.2812.48%
11CP064Ahrefs Referring Pages71,9562,505-0.25-0.2812.48%
12CPZZZNumber of Factors Used217141-0.24-0.5191.59%
13CP470Keywords in the HTML Tag1,038200-0.24-0.5191.72%
14CPX010Keywords in Div Tags713136-0.24-0.4990.73%
15CPZZZ200Number of Top 200 Shared Factors Used13499-0.23-0.4619.04%
16CP134Keywords in Body Tag980176-0.23-0.5292.95%
17LSI002LSI Words in Sentences3,406637-0.23-0.4697.28%
18CP475Term Frequency75-0.22-0.4892.21%
19CP127bKeywords in Unique A Tag HREFs18138-0.22-0.4689.12%
20ENT003Entities in H2 Tags417-0.22-0.5270.46%
21CP004Ahrefs Dofollow Backlinks69,3662,080-0.22-0.2812.61%
22CP127Keywords in A Tag HREFs26655-0.22-0.4691.84%
23CP129Keywords in A Tags13629-0.21-0.4592.46%
24CP161Keywords in H1-H6 Tags329-0.21-0.4789.74%
25CP465Keywords in P Tags17840-0.21-0.4590.36%
26CP134aSearch Terms in Body Tag21213-0.21-0.4491.84%
27CP469Keywords in Sentences12529-0.21-0.4489.74%
28CP157Keywords in H1, H2, and H3 Tags307-0.21-0.4690.48%
29ENT009Entities in Title Tag63-0.21-0.5066.63%
30ENT004Entities in H3 Tags366-0.21-0.4770.09%
31CP153Keywords in H1 and H2 Tags185-0.21-0.4888.75%
32CP470aSearch Terms in the HTML Tag2598-0.20-0.4688.13%
33CP375Keywords in LI Tags7321-0.20-0.4590.36%
34CP113Search Result URL Matches52-0.20-0.4979.73%
35CKWD001Clean Keyword Density in the HTML Tag114-0.20-0.4782.08%
36CP999Search Result Path Matches52-0.20-0.4977.26%
37CP488Keywords in pages top 10 most used phrases52-0.20-0.5185.66%
38GD001Google Variation Density103-0.20-0.4679.98%
39CP108Search Result Summary Length349163-0.19-0.4484.67%
40DD010DomDetailer Majestic Referring Subnets44,07514,054-0.19-0.2428.55%
41CP487Keywords in pages top 5 most used phrases31-0.19-0.5085.54%
42CP140Clean Text Kilobytes3111-0.19-0.4183.07%
43DD006DomDetailer Majestic IPs191,02746,635-0.19-0.2328.55%
44DD008DomDetailer Majestic Referring Domains1,572,195259,676-0.19-0.2328.68%
45CP135Body Tag Size Kilobytes25286-0.19-0.4584.67%
46CP160Leading Keywords in H1-H6 Tags102-0.19-0.4585.54%
47CP124aKeywords in Absolute URLs44255-0.19-0.4490.36%
48CP492bUnabridged Word Count5,2111,858-0.19-0.4186.90%
49DD015DomDetailer Moz PA7045-0.19-0.4526.82%
50CP156Leading Keywords in H1, H2, and H3 Tags62-0.19-0.4685.29%
51DD005DomDetailer Majestic CF6639-0.19-0.4528.43%
52CPXX888Number of HTML Tags3,267868-0.19-0.4480.59%
53CP038Ahrefs Has NoFollow Backlinks11-0.19-0.5111.87%
54CP458Page Size Kilobytes325149-0.19-0.4784.43%
55CP165Keywords in H2 Tags163-0.19-0.4492.83%
56CP137Keywords in the Canonical URL52-0.19-0.4882.32%
57CP072Search Result Document Matches52-0.19-0.4769.34%
58CP492Word Count4,2611,453-0.19-0.4085.54%
59CP465cKeywords in script Tags45341-0.19-0.4291.47%
60CP159aSearch Terms in H1-H6 Tags121-0.18-0.4288.38%
61LSI001LSI Words in Title Tag146-0.18-0.4490.73%
62ENT018Entities in Sentences624108-0.18-0.3697.78%
63ENT002Entities in H1 Tags62-0.18-0.4359.33%
64LSI006LSI Words in H2 Tags9017-0.18-0.4394.07%
65CP486Keywords in pages top 3 most used phrases21-0.18-0.4881.83%
66GD004Google Density Exact Matches282-0.18-0.4069.59%
67CP471Keywords in Span Tags4010-0.18-0.3987.89%
68CP468Number of Sentences20259-0.18-0.3984.18%
69CP005Ahrefs Domain Rating7540-0.18-0.439.52%
70DD013DomDetailer Moz DA8545-0.18-0.4126.95%
71CP097Search Result Link Text Matches32-0.17-0.4573.79%
72CP071Search Result Display URL Matches32-0.17-0.4573.79%
73CP484Leading Keywords in Title Tag10-0.17-0.4873.30%
74CP146Keywords in the First 100 Words208-0.17-0.4479.23%
75CP109Search Result Summary Text Matches63-0.17-0.4779.11%
76CP425Number of HTTPS Links516143-0.17-0.3879.98%
77CP019Ahrefs Has DoFollow Backlinks11-0.17-0.4712.11%
78CP410Number of DoFollow Links505142-0.17-0.3877.87%
79CP070Ahrefs Word Count3,2191,307-0.17-0.4110.26%
80ENT008Entities in Meta Description Tag113-0.17-0.4560.94%
81DD012DomDetailer Majestic TF6030-0.17-0.3927.56%
82CP431Number of Internal Links502129-0.17-0.3879.36%
83DD007DomDetailer Majestic Links173,742,59819,491,092-0.17-0.2028.80%
84CPXR24Number of P Tags12940-0.17-0.3885.41%
85CP381Keywords in Meta Descriptions52-0.17-0.4579.73%
86LSI003LSI Words in Meta Description Tag2810-0.17-0.4186.77%
87CP128Keywords in Alt Attributes568-0.17-0.3886.77%
88CP435Number of Links517148-0.17-0.3778.74%
89CP481Keywords in Title Tag32-0.17-0.4273.30%
90CPXR003Number of Heading Tags7021-0.17-0.4086.16%
91CPX003Keywords in Main Tags50563-0.16-0.4684.30%
92CP169Keywords in H3 Tags143-0.16-0.3988.01%
93CP045Ahrefs Has Text Backlinks11-0.16-0.4611.74%
94ENT001Entities in HTML Tag3,831337-0.16-0.3493.33%
95GD003Google Density Variations19945-0.16-0.4074.66%
96CP483aSearch Terms in the Title Tag10-0.16-0.4381.09%
97CP017Ahrefs Has Backlinks11-0.16-0.4611.62%
98LSI007LSI Words in H3 Tags17516-0.16-0.3990.85%
99CP164Leading Keywords in H2 Tags31-0.16-0.4384.05%
100DD016DomDetailer Moz Rank85-0.16-0.4027.07%
101QS004Number of Questions In Headings71-0.16-0.3832.88%
102CP151Leading Keywords in H1 Tags10-0.16-0.4374.78%
103CPXR018Keywords in Nav Tags23022-0.16-0.3986.16%
104DD014DomDetailer Moz Links91,215,13512,761,516-0.16-0.2327.94%
105CP150aSearch Terms in H1 Tags10-0.16-0.4081.46%
106CP476TF/IDF11-0.16-0.4477.75%
107QS003Number of Questions155-0.15-0.3879.11%
108DD002DomDetailer Facebook Shares9,481,683-3,065,173-0.15-0.2329.42%
109CPXR005Number of H2 Tags176-0.15-0.3885.54%
110CP469aSearch Terms in Sentences432-0.15-0.4088.13%
111CP374Keywords in the last 100 words114-0.15-0.3878.24%
112CPJLD131Has JSON-LD LegalService10-0.15-0.444.70%
113CP125Keywords making whole A Tags51-0.15-0.3783.44%
114CP426Number of Images14028-0.15-0.3878.00%
115CP358Inline Javascript Kilobytes11231-0.15-0.3684.18%
116CP048Ahrefs Image Backlinks15,977564-0.15-0.2711.74%
117CP032Ahrefs Has Image Backlinks10-0.15-0.4211.50%
118LSI005LSI Words in H1 Tags135-0.15-0.3487.27%
119CP050Ahrefs Internal Links737100-0.15-0.2911.99%
120ENT014Has Entities in H3 Tags11-0.15-0.4458.22%
121ENT005Entities in H4 Tags132-0.15-0.4264.40%
122CP152Keywords in H1 Tags31-0.15-0.3775.53%
123CP376Keywords making whole LI Tags51-0.15-0.3879.11%
124CPX013Keywords in Footer Tags537-0.15-0.3778.86%
125CP391Number of Absolute URLs489149-0.15-0.3682.69%
126CPXR006Number of H3 Tags558-0.15-0.3583.31%
127CP057Ahrefs Page Size59,72129,731-0.15-0.3210.01%
128ENT013Has Entities in H2 Tags11-0.15-0.4562.92%
129CP383Keywords in Meta OpenGraph Description122-0.15-0.3977.01%
130CP427Number of Images with Alt Text11718-0.14-0.3680.72%
131CPJLDxSANumber Of JSON-LD Types649-0.14-0.3979.11%
132CP052Ahrefs Linked Root Domains167-0.14-0.3511.74%
133CP413Number of External Links8119-0.14-0.3279.36%
134ENT010Title Tag Has Entities11-0.14-0.4052.78%
135CP168Leading Keywords in H3 Tags31-0.14-0.3778.99%
136CP477Keywords in Title Attributes798-0.14-0.3682.69%
137CP472Keywords making whole Span Tags51-0.14-0.3580.72%
138CP150a2Search Terms in H2 Tags60-0.14-0.4088.13%
139CP007Ahrefs External Links5420-0.14-0.2411.74%
140CP355Keywords in ID Attributes131-0.14-0.3982.20%
141DD011DomDetailer Majestic Referring .gov Links17,156,5572,130,575-0.14-0.1826.45%
142QS012Headings Has Question10-0.14-0.4072.56%
143CP473Keywords in Strong Tags173-0.14-0.3480.72%
144CP485Keywords in pages most used phrase10-0.14-0.4274.29%
145ENT012Has Entities in H1 Tags11-0.14-0.4055.62%
146CP177Keywords in H4-H6 Tags132-0.13-0.3677.75%
147CP385Keywords in Meta OpenGraph Content31-0.13-0.3874.66%
148CP409Number of DoFollow External Links6816-0.13-0.3078.86%
149CP126aSearch Terms in A Tags872-0.13-0.3587.27%
150CP034Ahrefs Has Internal Links11-0.13-0.4110.51%
151CP139Keywords in Class Attributes1807-0.13-0.3374.54%
152CP036Ahrefs Has Linked Root Domains11-0.13-0.4110.51%
153CP467Keywords in Section Tags9219-0.13-0.3780.84%
154CP154Keywords making whole H1, H2, and H3 Tags10-0.13-0.3873.42%
155QS006Number of Questions In H2 Tags31-0.13-0.3376.64%
156CP158Keywords making whole H1-H6 Tags40-0.13-0.3774.17%
157CPXR011Keywords in Button Tags141-0.13-0.3775.65%
158QS007Number of Questions In H3 Tags31-0.13-0.3576.89%
159PAGE009Number of Prices11830-0.13-0.3216.69%
160ENT011Meta Description Tag Has Entities11-0.13-0.3953.15%
161CP056Ahrefs Pages52-0.13-0.2811.12%
162CPJLD011Has JSON-LD Answer10-0.13-0.3960.44%
163CP173Keywords in H4 Tags61-0.13-0.3581.46%
164CP114Search Result Uses HTTPS11-0.13-0.3861.68%
165CP133Keywords in B Tags102-0.13-0.3470.33%
166CPJLD217Has JSON-LD Question10-0.13-0.3960.44%
167CP353Head Size Kilobytes11941-0.13-0.3378.74%
168CP357Inline CSS Kilobytes7528-0.13-0.3578.49%
169CP022Ahrefs Has External Links11-0.12-0.3811.00%
170CP465zKeywords in Form Tags51-0.12-0.3672.31%
171CP381aSearch Terms in Meta Descriptions10-0.12-0.3883.68%
172CP149Keywords making whole H1 Tags10-0.12-0.3871.82%
173CP451Number of US Phone Numbers1307-0.12-0.2670.21%
174CP347Has US Phone Number10-0.12-0.3954.64%
175LSI008LSI Words in H4 Tags607-0.12-0.3184.67%
176CP060Ahrefs Redirects9,124243-0.12-0.3010.14%
177CP130Keywords in Article Tags15724-0.12-0.3780.96%
178CP049Ahrefs Images5415-0.12-0.3010.01%
179PAGE010Number of Schema Products131-0.12-0.389.02%
180CP099Search Result Number of Dirs in Path32-0.12-0.3460.94%
181CP377Load Time Milliseconds45,8552,466-0.12-0.2566.01%
182CP142Keywords in Em Tags50-0.12-0.3475.15%
183CP460Percentage of DoFollow Internal Links9478-0.12-0.3362.30%
184CP104bSearch Result Publish Date2,014,085,5931,937,556,381-0.12-0.3148.95%
185CP033Ahrefs Has Images11-0.12-0.369.02%
186CP481bWord Count in Meta Description Tag4420-0.12-0.3268.48%
187CPXR015Keywords in Figure Tags1878-0.12-0.3476.14%
188CP313Has Privacy Policy11-0.12-0.3774.54%
189CP380Meta Description Length288124-0.12-0.3170.33%
190CPJLDxKANumber Of JSON-LD Entity References81-0.12-0.3760.44%
191CPXR007Number of H4 Tags254-0.12-0.3175.90%
192CPJLD189Has JSON-LD Organization10-0.12-0.3964.52%
193CP345Has Terms of Service10-0.12-0.3768.85%
194CP356Keywords in I Tags293-0.12-0.3375.15%
195CP428Number of Images without Alt Text7010-0.12-0.3270.58%
196CP213Has FavIcon11-0.12-0.3964.03%
197CP491Keywords in Value Attributes482-0.12-0.3171.20%
198CPJLD122Has JSON-LD ImageObject10-0.12-0.3662.42%
199CP041Ahrefs Has Redirects10-0.12-0.359.52%
200CP439Number of NoFollow Externa Links304-0.12-0.3174.66%


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