Top SEO Factors



Aggregate SEO Weather - See previous months - Scores are all normailzed to 100 point scale for all services

Understanding the Top SEO 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 of the top SEO factors aren't meant to be tuned.

Some of the 200 top SEO 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



Top SEO Factors - 2022-07-05 - View Factors By Date
OrdinalFactor IDName#1 MaxPage 1 AvgCorrelationCorrelation By PageKeywords
1CPZZZ50Number of Top 50 Shared Factors Used4521-0.36-0.6393.93%
2CPZZZ100Number of Top 100 Shared Factors Used8745-0.35-0.6492.86%
3CPZZZNumber of Factors Used225129-0.32-0.6294.21%
4ENT000aNumber of Entities Used7225-0.30-0.6575.64%
5CPZZZ200Number of Top 200 Shared Factors Used15184-0.30-0.6089.50%
6CP005Ahrefs Domain Rating8245-0.26-0.5633.00%
7CP059Ahrefs Rank4614-0.26-0.5022.07%
8CP134Keywords in Body Tag114,121542-0.25-0.5391.14%
9CP470Keywords in the HTML Tag115,315630-0.25-0.5095.57%
10DD015DomDetailer Moz PA6842-0.24-0.5038.29%
11CP061Ahrefs Referring Class C Addresses1,02444-0.24-0.3438.07%
12CP063Ahrefs Referring IP Addresses1,71259-0.24-0.3338.14%
13CP062Ahrefs Referring Domains3,12775-0.24-0.3238.57%
14DD010DomDetailer Majestic Referring Subnets68,89610,014-0.23-0.2640.93%
15DD006DomDetailer Majestic IPs275,46638,003-0.23-0.2541.43%
16CPX010Keywords in Div Tags32,037291-0.23-0.5092.86%
17DD008DomDetailer Majestic Referring Domains1,650,859245,356-0.23-0.2542.21%
18ENT009Entities in Title Tag72-0.23-0.5370.29%
19DD013DomDetailer Moz DA8338-0.23-0.4538.07%
20CP161Keywords in H1-H6 Tags33210-0.22-0.5188.57%
21CP067Ahrefs Text Backlinks875,4389,561-0.22-0.2838.14%
22CP002Ahrefs Backlinks875,5259,566-0.22-0.2838.57%
23CP064Ahrefs Referring Pages875,5279,566-0.22-0.2838.57%
24CP157Keywords in H1, H2, and H3 Tags2608-0.22-0.5088.79%
25DD005DomDetailer Majestic CF6434-0.22-0.4939.71%
26CP070Ahrefs Word Count5,4351,618-0.22-0.4717.64%
27CP129Keywords in A Tags5,69851-0.22-0.4789.57%
28ENT003Entities in H2 Tags337-0.21-0.4973.07%
29DD007DomDetailer Majestic Links75,468,493-236,527-0.21-0.2341.57%
30DD002DomDetailer Facebook Shares8,874,003-5,122,084-0.21-0.3240.86%
31CP465Keywords in P Tags3,27648-0.21-0.4893.43%
32CP004Ahrefs Dofollow Backlinks836,3867,400-0.21-0.2938.29%
33DD012DomDetailer Majestic TF5624-0.21-0.4439.79%
34DD016DomDetailer Moz Rank84-0.21-0.4536.86%
35CP153Keywords in H1 and H2 Tags1555-0.21-0.4887.36%
36CP054Ahrefs NoFollow Backlinks61,0362,060-0.21-0.3036.79%
37CP135Body Tag Size Kilobytes29093-0.21-0.4692.29%
38DD014DomDetailer Moz Links60,982,656617,199-0.20-0.2639.93%
39ENT004Entities in H3 Tags296-0.20-0.4973.07%
40CKWD001Clean Keyword Density in the HTML Tag2065-0.20-0.4878.36%
41CP469Keywords in Sentences2,94038-0.20-0.4590.64%
42CP375Keywords in LI Tags2,10826-0.20-0.4689.00%
43CP458Page Size Kilobytes1,189164-0.20-0.4789.43%
44CP045Ahrefs Has Text Backlinks11-0.20-0.5237.14%
45CP019Ahrefs Has DoFollow Backlinks11-0.20-0.5136.50%
46CP017Ahrefs Has Backlinks11-0.20-0.5137.36%
47CP470aSearch Terms in the HTML Tag46916-0.20-0.4488.79%
48CP134aSearch Terms in Body Tag41318-0.19-0.4586.71%
49CP475Term Frequency63-0.19-0.4692.14%
50CP071Search Result Display URL Matches141-0.19-0.4878.79%
51CP097Search Result Link Text Matches141-0.19-0.4878.86%
52CP050Ahrefs Internal Links556140-0.19-0.4439.00%
53CP165Keywords in H2 Tags1364-0.19-0.4588.00%
54LSI002LSI Words in Sentences3,707615-0.19-0.4197.29%
55CPXX888Number of HTML Tags3,125926-0.19-0.4589.50%
56GD004Google Density Exact Matches283-0.19-0.4661.57%
57ENT018Entities in Sentences59399-0.19-0.4197.36%
58CP127Keywords in A Tag HREFs3,38565-0.19-0.4186.86%
59CP492bUnabridged Word Count6,3031,777-0.19-0.4289.29%
60CP140Clean Text Kilobytes4811-0.19-0.4288.36%
61CP465cKeywords in script Tags24,679112-0.19-0.4393.93%
62CP128Keywords in Alt Attributes6478-0.19-0.4587.43%
63CPJLD068Has JSON-LD Dentist10-0.19-0.503.43%
64CP127bKeywords in Unique A Tag HREFs2,72444-0.19-0.4187.64%
65CP160Leading Keywords in H1-H6 Tags402-0.19-0.4486.14%
66CP038Ahrefs Has NoFollow Backlinks10-0.19-0.4935.43%
67ENT001Entities in HTML Tag2,299293-0.19-0.4097.86%
68CP156Leading Keywords in H1, H2, and H3 Tags232-0.18-0.4385.50%
69CP488Keywords in pages top 10 most used phrases232-0.18-0.4784.86%
70CP492Word Count4,1441,443-0.18-0.4088.29%
71CP057Ahrefs Page Size93,29335,354-0.18-0.4417.29%
72GD001Google Variation Density3755-0.18-0.4476.14%
73CP468Number of Sentences25464-0.18-0.4087.43%
74CP481Keywords in Title Tag252-0.18-0.4479.64%
75CP072Search Result Document Matches81-0.18-0.4658.93%
76CP487Keywords in pages top 5 most used phrases111-0.18-0.4683.29%
77ENT008Entities in Meta Description Tag103-0.17-0.4564.50%
78CP471Keywords in Span Tags86514-0.17-0.4090.36%
79CP159aSearch Terms in H1-H6 Tags141-0.17-0.4285.00%
80CP052Ahrefs Linked Root Domains337-0.17-0.4537.64%
81CP049Ahrefs Images8326-0.17-0.3916.64%
82CP007Ahrefs External Links24821-0.17-0.3835.86%
83CP425Number of HTTPS Links501154-0.17-0.3985.14%
84CP381Keywords in Meta Descriptions512-0.17-0.4480.57%
85CP999Search Result Path Matches131-0.17-0.4270.50%
86CPJLD086Has JSON-LD FinancialProduct10-0.17-0.552.00%
87CP435Number of Links501157-0.17-0.3986.21%
88ENT013Has Entities in H2 Tags11-0.17-0.4967.43%
89ENT002Entities in H1 Tags182-0.17-0.4260.07%
90CP484Leading Keywords in Title Tag10-0.17-0.4776.21%
91CP410Number of DoFollow Links497151-0.17-0.3986.36%
92CP431Number of Internal Links485141-0.17-0.3886.79%
93CPXR24Number of P Tags14139-0.17-0.4187.07%
94CPXR018Keywords in Nav Tags11,76648-0.16-0.3883.00%
95CPXR003Number of Heading Tags7320-0.16-0.4086.50%
96CP427Number of Images with Alt Text7520-0.16-0.4087.29%
97QS003Number of Questions1026-0.16-0.3482.93%
98CP476TF/IDF11-0.16-0.4780.64%
99CP169Keywords in H3 Tags1213-0.16-0.4086.64%
100CP020Ahrefs Has Domain Rating11-0.16-0.4628.50%
101CP151Leading Keywords in H1 Tags20-0.16-0.4475.50%
102CPX003Keywords in Main Tags13,887101-0.16-0.4582.71%
103CP113Search Result URL Matches221-0.16-0.4075.14%
104CP137Keywords in the Canonical URL602-0.16-0.4179.29%
105CP426Number of Images9830-0.16-0.3685.36%
106CP486Keywords in pages top 3 most used phrases71-0.16-0.4384.79%
107CP152Keywords in H1 Tags211-0.16-0.4076.57%
108ENT005Entities in H4 Tags182-0.16-0.4466.57%
109CP056Ahrefs Pages51-0.15-0.3434.64%
110CPXR005Number of H2 Tags207-0.15-0.3887.21%
111CP124aKeywords in Absolute URLs5,70367-0.15-0.3686.07%
112CP469aSearch Terms in Sentences222-0.15-0.3888.21%
113CP109Search Result Summary Text Matches763-0.15-0.4472.43%
114GD003Google Density Variations7,07180-0.15-0.3871.64%
115ENT010Title Tag Has Entities11-0.15-0.4357.86%
116DD011DomDetailer Majestic Referring .gov Links24,741,4233,294,020-0.15-0.2834.07%
117CP451Number of US Phone Numbers727-0.15-0.3578.21%
118CP483aSearch Terms in the Title Tag20-0.15-0.3984.29%
119LSI001LSI Words in Title Tag165-0.15-0.3692.07%
120CP383Keywords in Meta OpenGraph Description482-0.15-0.4073.86%
121ENT014Has Entities in H3 Tags11-0.15-0.4565.57%
122CP467Keywords in Section Tags2,17823-0.15-0.4287.86%
123CP164Leading Keywords in H2 Tags91-0.15-0.3983.43%
124CP048Ahrefs Image Backlinks292,6522,358-0.15-0.3229.43%
125CP358Inline Javascript Kilobytes33135-0.15-0.3382.00%
126ENT012Has Entities in H1 Tags11-0.15-0.4557.29%
127CPJLD011Has JSON-LD Answer10-0.15-0.4570.79%
128CPJLD217Has JSON-LD Question10-0.15-0.4570.93%
129CPXR006Number of H3 Tags287-0.15-0.3682.93%
130CP385Keywords in Meta OpenGraph Content211-0.15-0.4170.71%
131CPJLDxSANumber Of JSON-LD Types739-0.15-0.3884.21%
132QS006Number of Questions In H2 Tags41-0.15-0.3574.93%
133CP032Ahrefs Has Image Backlinks10-0.15-0.4226.57%
134CP391Number of Absolute URLs457150-0.15-0.3781.57%
135CP146Keywords in the First 100 Words2089-0.15-0.3873.71%
136QS004Number of Questions In Headings61-0.14-0.3532.71%
137CP376Keywords making whole LI Tags71-0.14-0.3977.29%
138CP125Keywords making whole A Tags81-0.14-0.3979.36%
139CPX013Keywords in Footer Tags3,69622-0.14-0.3576.86%
140CP347Has US Phone Number10-0.14-0.4364.29%
141CPJLD117Has JSON-LD HowToSupply10-0.14-0.413.00%
142CPJLD119Has JSON-LD HowToTool10-0.14-0.413.00%
143CP377Load Time Milliseconds140,0932,625-0.14-0.3067.00%
144LSI006LSI Words in H2 Tags8018-0.14-0.3493.93%
145CP150aSearch Terms in H1 Tags10-0.14-0.3779.64%
146CP158Keywords making whole H1-H6 Tags40-0.14-0.3974.14%
147CP022Ahrefs Has External Links11-0.14-0.4332.07%
148QS012Headings Has Question10-0.14-0.4372.93%
149CP108Search Result Summary Length245150-0.14-0.3273.21%
150GD002Google Exact Match Density20-0.14-0.3938.36%
151CP034Ahrefs Has Internal Links11-0.14-0.4232.36%
152CP036Ahrefs Has Linked Root Domains11-0.14-0.4232.71%
153CP033Ahrefs Has Images11-0.14-0.4114.43%
154CP126aSearch Terms in A Tags623-0.14-0.3483.79%
155CP413Number of External Links6416-0.14-0.3177.64%
156CP381aSearch Terms in Meta Descriptions20-0.14-0.3580.93%
157ENT011Meta Description Tag Has Entities11-0.14-0.4357.50%
158CP353Head Size Kilobytes13047-0.14-0.3475.71%
159CP154Keywords making whole H1, H2, and H3 Tags40-0.14-0.3873.14%
160CP472Keywords making whole Span Tags111-0.13-0.3585.36%
161CP150a2Search Terms in H2 Tags81-0.13-0.3685.14%
162CP473Keywords in Strong Tags992-0.13-0.3683.93%
163CP485Keywords in pages most used phrase20-0.13-0.3878.14%
164CP357Inline CSS Kilobytes41434-0.13-0.3778.93%
165CP099Search Result Number of Dirs in Path32-0.13-0.3663.50%
166CP479Title Has Sales Words10-0.13-0.3767.71%
167CP477Keywords in Title Attributes4497-0.13-0.3486.57%
168LSI003LSI Words in Meta Description Tag509-0.13-0.3489.93%
169PAGE009Number of Prices50736-0.13-0.3173.71%
170CP374Keywords in the last 100 words2055-0.13-0.3473.07%
171CP479iiTitle Has Sentiment Words10-0.13-0.3767.57%
172DD001DomDetailer Facebook Comments28052-0.13-0.3735.64%
173CP356Keywords in I Tags6259-0.13-0.3877.14%
174CP409Number of DoFollow External Links4414-0.13-0.3072.57%
175CP149Keywords making whole H1 Tags10-0.13-0.3870.00%
176CPJLDxCBNumber Of Claimed Brands141-0.13-0.3573.71%
177CP130Keywords in Article Tags2,33322-0.13-0.3871.21%
178LSI007LSI Words in H3 Tags9215-0.13-0.3292.21%
179CPJLD131Has JSON-LD LegalService10-0.13-0.371.93%
180QS007Number of Questions In H3 Tags31-0.13-0.3676.71%
181CP439Number of NoFollow Externa Links333-0.13-0.3478.21%
182CPJLDxKANumber Of JSON-LD Entity References110-0.13-0.3668.00%
183CP430Number of Instagram Pages71-0.13-0.3273.50%
184CP440Number of NoFollow Links496-0.13-0.3377.50%
185PAGE001Is Home Page10-0.12-0.3833.64%
186CPJLD222Has JSON-LD RealEstateAgent10-0.12-0.390.71%
187CP424Number of HREF Lang Tags251-0.12-0.3374.50%
188CP168Leading Keywords in H3 Tags121-0.12-0.3579.29%
189CP460Percentage of DoFollow Internal Links9482-0.12-0.3373.21%
190CP006Ahrefs Edu Backlinks92,933517-0.12-0.3220.93%
191CP060Ahrefs Redirects3,87711-0.12-0.3028.71%
192CP481bWord Count in Meta Description Tag8621-0.12-0.3172.79%
193PAGE010Number of Schema Products190-0.12-0.3833.50%
194CP213Has FavIcon11-0.12-0.3868.00%
195CP177Keywords in H4-H6 Tags1242-0.12-0.3479.93%
196CP418Number of Forms192-0.12-0.3371.21%
197CP173Keywords in H4 Tags821-0.12-0.3578.43%
198ENT015Has Entities in H4 Tags10-0.12-0.3956.21%
199CP133Keywords in B Tags3614-0.12-0.3571.43%
200CP380Meta Description Length511128-0.12-0.3170.21%

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