by Jeff Howard

Sometimes organic search seems straight forward, type in a

keyword and returned is a list of 10 recommended websites. Of

course, getting to the top isn’t so simple, but the notion that

once you arrive at the top, traffic will ensue is a hypothesis

hard to deny. Local search results don’t play into this scheme.

They have variables such as size of the map, and definition of a

region’s center that combine with trust, a citation, or

sometimes what I call “sureness factors” to determine what

businesses should be recommended. This post isn’t a blueprint

for better local rankings, but it certainly may provoke some

thought as to the variables Google uses when providing local

results. Here are the 3 variables of local search.

  1. The size of the area as defined by the keyword search, or

    map space being viewed.

  2. Google’s sureness that in fact there is a business at the

    listed address doing what it says.

  3. How Google defines the region’s center, either by keyword or

    map parameters like zoom level.

Here is an example that will help explain the variables. Take

a look at the results for “Pittsburgh Dry

Cleaner,” don’t search this on the /maps, do a typical web

search. Google returns a map very broadly defining Pittsburgh.

It doesn’t just show downtown, it shows an entire region. Google

is classifying Pittsburgh as a large region, and not just a

downtown area. This is the first variable taken into

consideration when delivering local results. That is the size of

the map which is signaled either by the map viewing size and

zoom, or the keyword searched.

Within these results are dry cleaners from the city, suburbs,

and a few in between. The reason I believe these results are

picked out of all the possible dry cleaners around Pittsburgh is

because Google is either a) trying to show there are dry

cleaners randomly everywhere in Pittsburgh (possible, but I

think not as likely), or b) Google is only showing the dry

cleaners it feels the strongest about. In other words, it is

most sure these dry cleaners are at the location specified, and

of course that dry cleaning is actually going on there (it could

all be a front:). Thanks to the handy work of David Mihm, Andrew

Shortland, and Mike Blumenthal there are methods to let Google

and other mapping search engines know where you’re located, and

in fact you do what you do. Some of these aspects include:

The third variable I believe that goes into play is the

center of the region as defined either by the keyword searched,

or by how Google is interpreting the center of a metro region.

This is tricky to explain, and I hope to do it through an

example below. My belief is that the center of a metro area is

the weakest of the three variables.

Examples of the Variables at Work

google-maps.jpgNow let’s take a look at some more examples,

and how results change with searches. Here are the results for

the web search “Pittsburgh Dry Cleaner”

  • A. Galardi’s 30 Minute Cleaners
  • B. Squirrel Hill Dry Cleaning
  • C. Footer’s Dry Cleaners & Tlrs
  • D. Owen’s Dry Cleaners
  • E. Four Seasons Dry Cleaners
  • F. Footer’s Dry Cleaners & Tlrs
  • G. Suburban Dry Cleaners

Here are the results for the same search, “Pittsburgh Dry

Cleaners,” but this time searched at /maps.

  • A. Galardi’s 30 Minute Cleaners
  • B. Squirrel Hill Dry Cleaning
  • C. Footer’s Dry Cleaners & Tlrs
  • D. Four Seasons Dry Cleaners
  • E. Footer’s Dry Cleaners & Tlrs
  • F. Strong Dry Cleaners
  • G. Excel Dry Cleaners

Notice the result vary from D – G. This I believe is because

the map on the web results page is at a slightly different zoom

level than the /maps results. Since the maps vary in size as

defined by the viewing space and zoom level, results are

different. And again since Google is defining Pittsburgh as a

large region, it’s not just showing dry cleaners downtown. If

you zoom in you’ll find more than one dry cleaner downtown.

Now let’s look at a smaller region example within Pittsburgh.

Search “Squirrel Hill Dry

Cleaner” on the web search. No map. Okay, now search “Squirrel Hill Dry

Cleaner” on /maps. Google redefines the map by zoom, and

determines a new center. This is where ambiguity comes in for

Google. It understands that Squirrel Hill is a specific region

in Pittsburgh, but how it defines the center is probably

debatable, and again it is showing the dry cleaners based on

elements of sureness. Here are the listings for the /maps search

“Squirrel Hill Dry Cleaner”

  • A. Footer’s Dry Cleaners & Tlrs
  • B. Squirrel Hill Dry Cleaning
  • C. Four Seasons Dry Cleaners
  • D. Colonial Cleaners
  • E. Runner’s Cleaners
  • F. Lord Duncan Cleaners
  • G. Hohman Cleaners‎

Now on the map begin dragging the map toward the right, after

a few drags toward Frick Park the listing all reorganize. A new

center is defined, here are the results based on the new

parameters of the map. C and B switch. E is new, F and G are

new.

  • A. Footer’s Dry Cleaners & Tlrs‎
  • B. Four Seasons Dry Cleaners
  • C. Squirrel Hill Dry Cleaning
  • D. Colonial Cleaners
  • E. Lord Duncan Cleaners‎
  • F. Pittsburgh Gown Cleaners
  • G. Dry Cleaning & Laundry

For a final demonstration, zoom in all the way down to the

second to last notch, and go to the corner of Murray Ave. and

Pocusset Street (here is the link).

Notice the previous results that were C and E have now become A

and B, and there are only two results.

  • A. Lord Duncan Cleaners
  • B. Colonial Cleaners

These are the variables at work which are size of the map

either defined by zoom and screen space, Google sureness, and

finally how the center is defined, a weaker variable.

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The 3 Variables of Google Local Search

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