In my last article I made the case for correlation in SEO. Now its time for me to put up or shut up right? So in this study we are going to look at the strongest correlating SEO factors across 200 closely related niche keywords. In an effort to make this as interesting and relevant as possible for SEOs the niche I chose is SEO Agencies.

About the 200 Keywords I Chose

All 200 keywords chosen are one of the two prototypes below:

SEO Agency [CITY] [STATE ABBR]

or

SEO Agency [CITY] [COUNTRY ABBR]

I did it this way so that we would not cross different kinds of searches that Google would handle in a significantly different way or to query different industries that may vary in SEO practices for industry related reasons.

All the exact keywords I used are listed at the bottom of this article.

What is the difference between Keywords and Search Terms?

In the study you will see factor names like Keywords in H2 Tags and Search Terms in H2 Tags.

If the Search Terms used in Google are seo agency chicago il then all the words Google makes bold in the search results are the variant Keywords. We collect those variant keywords and measure them. So Search Terms are the exact keywords used in a Google search and Keywords are all the variant terms that make a page relevant for the search.

The reason Google makes these words bold in the search results is because they want to show you how relevant the search results are for your search terms. The cool part of that is that they are telling you these are the words that make your page relevant for the search. This is why they are so special.

Search Terms: seo agency chicago il

Keywords:

agencies
agency
chicago
chicago digital
chicago digital agency
chicago digital marketing
chicago il
chicago illinois
chicago internet marketing
chicago internet marketing agency
chicago marketing
chicago seo
chicago seo agency
chicago seo services
digital agencies
digital agency
digital marketing
digital marketing chicago
il
il seo services
illinois
illinois seo
illinois seo services
internet marketing agencies
internet marketing agency
internet marketing services
marketing
marketing agencies
marketing agency
search engine
search engine optimization
search engine optimization services
seo
seo agencies
seo agency
seo agency chicago
seo chicago
seo marketing
seo services

About My SEO Factors

Most of my factor names are straight forward if you know HTML. If you don’t you may have to look up tags and attributes at W3Schools. There will be a few factors you just wont know unless you have used Cora for a long time. I am not going to define everything here because that software I use, Cora SEO software measures over 540 SEO factors and I can’t define all of those in an article. So just know there are a few factors you just have to skip. I limited the study to on-page SEO factors because I need to save my API units for my clients.

Strong Correlating Factors Across 200 Closely Related Keywords

Click the image to view the full report

The Most Common Factor Deficits

Here is another cool trick. We can look are the most common factor deficits for the websites we were tracking in our source data. This shows us where we are dropping the ball the most.

Click the image to view the full report

Access to the Source Data

One problem with most correlation studies is that they don’t give you the data. In fact most correlation studies don’t even give you a sample of the data. In fact most studies wont give you the instruction on how to recreate the data yourself. Most correlation studies won’t even tell you what the keywords were.

Why does this matter?

How can somebody check your work? How can someone reproduce your results? How can someone verify the data means what your think it means?

It isn’t science if it isn’t peer reviewed. It isn’t science if no one else can reproduce the same study and confirm they got the same results.

Any correlation studies that do this are BS in my opinion. We basically have to trust that they made no mistakes and that their data and methods were flawless. We also don’t have enough of the data to even challenge the conclusions they draw. We simply have to take it all on faith and that is not science.

Mistakes are ok. Science allows for a margin of error. Hiding your mistakes, data, and methods is not OK. That is pretending to do science.

So in the spirit of science. Here are all my keywords! Here is all my data! Enjoy! I hope your city is in the list!

Each file below is a complete unedited Cora Report for the specified search term. So you basically get 200 free Cora reports. That would cost like $1000 on fiverr!

Warning! Each file is a 1.1MB Excel Spreadsheet with about 70,000 data points if you unhide everything.

Note: The tracked domains in the source data are not my websites. They are not my clients. I found them academically interesting so I am researching them in another study as well.

seo agency adelaide au
seo agency akron oh
seo agency albany ny
seo agency albuquerque nm
seo agency allentown pa
seo agency amsterdam nl
seo agency anaheim ca
seo agency arlington tx
seo agency athens gr
seo agency atlanta ga
seo agency auckland nz
seo agency aurora co
seo agency aurora il
seo agency austin tx
seo agency bakersfield ca
seo agency baltimore md
seo agency barcelona es
seo agency baton rouge la
seo agency berkeley ca
seo agency berlin de
seo agency birmingham al
seo agency birmingham gb
seo agency boise city id
seo agency boston ma
seo agency bridgeport ct
seo agency brisbane au
seo agency brooklyn ny
seo agency brussels be
seo agency bucharest ro
seo agency budapest hu
seo agency buffalo ny
seo agency cairo eg
seo agency calgary ab
seo agency charleston sc
seo agency charlotte nc
seo agency chicago il
seo agency cincinnati oh
seo agency cleveland oh
seo agency colorado springs co
seo agency columbia mo
seo agency columbia sc
seo agency columbus oh
seo agency covington ky
seo agency dallas tx
seo agency dayton oh
seo agency denver co
seo agency des moines ia
seo agency detroit mi
seo agency dubai ae
seo agency dublin ie
seo agency durham nc
seo agency edmonton ab
seo agency el paso tx
seo agency elgin il
seo agency evanston il
seo agency everett wa
seo agency florence it
seo agency fort lauderdale fl
seo agency fort worth tx
seo agency frankfurt de
seo agency fresno ca
seo agency gary in
seo agency geneva ch
seo agency glasgow gb
seo agency glendale az
seo agency grand prairie tx
seo agency grand rapids mi
seo agency greensboro nc
seo agency greenville sc
seo agency halifax ns
seo agency hamburg de
seo agency hamilton on
seo agency hampton va
seo agency hartford ct
seo agency hiroshima jp
seo agency ho chi minh city vn
seo agency hong kong hk
seo agency honolulu hi
seo agency houston tx
seo agency indianapolis in
seo agency irvine ca
seo agency jacksonville fl
seo agency joliet il
seo agency kansas city mo
seo agency kitchener on
seo agency knoxville tn
seo agency kuwait city kw
seo agency kyoto jp
seo agency laredo tx
seo agency las vegas nv
seo agency leeds gb
seo agency london gb
seo agency london on
seo agency long beach ca
seo agency los angeles ca
seo agency louisville ky
seo agency lowell ma
seo agency madison wi
seo agency madrid es
seo agency manchester gb
seo agency manhattan ny
seo agency memphis tn
seo agency mesa az
seo agency metairie la
seo agency mexico city mx
seo agency miami beach fl
seo agency miami fl
seo agency milan it
seo agency milwaukee wi
seo agency minneapolis mn
seo agency modesto ca
seo agency montreal qc
seo agency munich de
seo agency naples it
seo agency nashville tn
seo agency new haven ct
seo agency new orleans la
seo agency new york ny
seo agency newcastle au
seo agency norfolk va
seo agency oakland ca
seo agency oceanside ca
seo agency oklahoma city ok
seo agency omaha ne
seo agency orlando fl
seo agency osaka jp
seo agency oshawa on
seo agency ottawa on
seo agency palm springs ca
seo agency paris fr
seo agency pasadena tx
seo agency perth au
seo agency philadelphia pa
seo agency phoenix az
seo agency pittsburgh pa
seo agency portland or
seo agency providence ri
seo agency provo ut
seo agency quebec qc
seo agency queens ny
seo agency raleigh nc
seo agency reno nv
seo agency richmond va
seo agency rio de janeiro br
seo agency rochester ny
seo agency rome it
seo agency sacramento ca
seo agency saint charles mo
seo agency saint louis mo
seo agency saint paul mn
seo agency saint petersburg fl
seo agency salem ma
seo agency salt lake city ut
seo agency san antonio tx
seo agency san bernardino ca
seo agency san diego ca
seo agency san francisco ca
seo agency san jose ca
seo agency san mateo ca
seo agency sanford fl
seo agency santa ana ca
seo agency sao paulo br
seo agency sapporo jp
seo agency sarasota fl
seo agency seattle wa
seo agency sheffield gb
seo agency singapore sg
seo agency south melbourne au
seo agency south ogden ut
seo agency spokane wa
seo agency springfield ma
seo agency stamford ct
seo agency staten island ny
seo agency stockholm se
seo agency stockton ca
seo agency sydney au
seo agency syracuse ny
seo agency tacoma wa
seo agency tampa fl
seo agency tehran ir
seo agency the bronx ny
seo agency tokyo jp
seo agency toledo oh
seo agency toronto on
seo agency trenton nj
seo agency tucson az
seo agency tulsa ok
seo agency vancouver bc
seo agency vienna at
seo agency virginia beach va
seo agency vitoria br
seo agency warsaw pl
seo agency washington dc
seo agency west palm beach fl
seo agency wichita ks
seo agency windsor on
seo agency winnipeg mb
seo agency yerevan am
seo agency youngstown oh
seo agency zurich ch
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