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What this covers
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Ask a local business owner where they rank on Google Maps and they will often give one number. Third. Fifth. First. That number is almost always true for one spot and misleading for everywhere else.
Geo-grid rank tracking was built to fix that. This article explains how it works, how to read one and what it reveals.
Why One Ranking Number Is Not Enough
Google’s map results depend on where the searcher is standing. Google’s own documentation names three ranking factors for local results: relevance, distance and prominence. Distance is measured from the searcher, so the same search typed from two places a few miles apart can return different businesses.
A single ranking check, usually run from the business’s own address, shows the result for the one place where the business is most likely to rank well. It says nothing about the neighborhoods where customers actually live.
What a Geo-Grid Scan Is
A geo-grid scan is a ranking check run from many points arranged in a grid over an area. Each point is treated as a separate searcher at that location. The scan records where the business ranks in the map results from every point.
The result is usually shown as a map covered in colored dots. Each dot is a search location, and its color or number shows the ranking there.
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Dot color |
Usual meaning |
What it says about visibility |
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Green |
Positions 1 to 3 |
In the map pack, where most calls come from |
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Yellow or orange |
Positions 4 to 10 |
Visible but rarely chosen |
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Red |
Below 10 |
Effectively invisible from that point |
How to Read the Pattern
A healthy local business usually shows a strong center of green around its location that fades toward the edges. That is the effect of distance, and it is normal.
The useful information is in the shape. A business that is green only in a tiny circle around its own building has weak prominence. A business that is red in a neighborhood full of its customers has a gap worth working on. A business that is green across the whole grid may be tracking an area too small to show anything useful.
Patterns that usually point to a specific problem:
- Green only at the business address: weak prominence from reviews, links and listings
- Red in one direction: a competitor cluster, or a natural barrier such as a river or highway
- Uneven results for closely related phrases: categories or services missing from the profile
- Sudden drops across the whole grid: a profile change, a suspension or a scan run while the business was closed
The Numbers Behind the Dots
Geo-grid tools summarize each scan with a few figures. Share of local voice is the percentage of grid points where the business appears in the top three. Average rank position summarizes the business’s ranking across all points.
Of these, the share of points in the top three matters most. In the map pack, fourth place gets a small fraction of the attention of third place, so a figure that counts only top-three positions tracks the business that actually gets called.
Grid Size Changes the Story
The size and spacing of the grid shape the result. A grid that is too small shows green everywhere and hides the real limits of the business’s reach. A grid that is too large shows red across most of the map and makes progress hard to see.
A practical check is to look at the strongest competitor on the same scan. If that competitor is in the top three at every point, the grid is probably too small. If even the strongest competitor holds the top three at only a small share of points, the grid may be too large.
Geography shapes grids in ways that are easy to misread. A grid laid over a lake, a large park or farmland includes points where nobody lives or searches. Those points often show poor rankings that mean nothing for the business. Trimming or adjusting the grid so it covers places where customers actually are gives a truer reading than a perfect square drawn without looking at the map.
Highways and rivers matter for the same reason. People tend to buy on their own side of a major barrier, and Google’s results often reflect that. A business that ranks well on one side of a river and poorly on the other may be seeing geography rather than a ranking problem. Separate location pages and landmarks that customers on the far side recognize are the usual way to extend reach across a barrier like that.
When to Scan
Scans should be run while the business is open. Google tends to demote businesses that are closed at the time of the search, so a scan run on a closed day or outside business hours reads lower than the business’s real position. A trend built from scans taken at different times can show movement that is really just opening hours.
- Choose a grid that covers the real service area.
- Scan during normal business hours.
- Repeat the scan on the same schedule each month.
- Compare like with like: same grid, same phrase, same time of day.
Grid scans also make progress visible to people who are not specialists. An owner may not follow average positions or ranking reports, but a map that turns from red to green across a familiar neighborhood over several months is easy to understand. Placing the same grid side by side from month to month shows exactly where the work is paying off and where it has not yet reached.
What AI Search Adds
Geo-grid scans measure Google’s map pack. They do not measure whether AI assistants recommend the business. Systems such as ChatGPT and Google’s AI answers judge local businesses mainly on reputation: mentions on other sites, review content and consistent directory listings.
A business can show a strong geo-grid and still be missing from AI recommendations, so the two are worth tracking separately. The work that improves both overlaps heavily: complete listings, specific reviews and clear website content.
A Springfield Example
Springfield, the county seat of Greene County, had 169,176 residents at the 2020 census. A grid across a city that size quickly shows how far a business’s visibility really reaches, and how different it looks across town.
One local agency, 417BOOM, shows a client scan across a 13 by 13 grid in this explanation of map pack work, where the business held first place at all 169 points measured. The same agency publishes what the profile insights report shows, including why a listing can appear for searches the owner never targeted.
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Question |
Single ranking check |
Geo-grid scan |
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Where does the business rank at its address? |
Yes |
Yes |
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Where does it rank across town? |
No |
Yes |
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Which neighborhoods need work? |
No |
Yes |
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Is the business winning the map overall? |
Unclear |
Yes, through top-three share |
Comparing Against Competitors
A geo-grid scan is most useful when read alongside the businesses that beat yours. Many tools record which businesses hold the top three at each point, not just where yours ranks.
That comparison often explains a pattern faster than any other check. If one competitor holds the top three across most of the grid, it is worth looking at its profile: its primary category, the number and content of its reviews, the page its listing links to and how complete its services list is. If different competitors win in different parts of the grid, distance is doing most of the work and the gaps are mostly about proximity.
- Note which competitor wins the most points on each scan
- Compare its primary category and services with your own
- Compare review counts and how recent its reviews are
- Check which page on its website its listing points to
Review counts deserve a careful reading. A competitor with far fewer reviews can still outrank a business on relevance, which shows that reviews are not always the gap. Reviews do strongly affect which of the three visible businesses a searcher chooses to call.
Tracking Phrases That Matter
A geo-grid scan measures one phrase at a time. Choosing the phrase matters as much as choosing the grid.
The most useful phrases are the non-branded service searches that bring paying customers: the service plus the town, and the service alone. Tracking the business’s own name proves little, since almost every business ranks for its own name. A small set of phrases, scanned consistently every month, gives a clearer trend than a large set scanned irregularly.
The Short Version
A single ranking number measures one point on the map. A geo-grid scan measures many, and the pattern shows where a business is visible, where it is not and why. Reading the share of top-three points, scanning during open hours and keeping the grid size consistent make the results reliable. Anyone wanting a reference point can look at the agency’s Springfield listing on Google Maps.
