Geo-grid rank tracking: the complete topical reference.

Definition

A geo-grid is a lattice of coordinates overlaid on the area around a business. In rank tracking, each coordinate acts as a simulated searcher location: the tracker queries Google as if from that point and stores the returned local ordering. Because distance is one of the three local ranking factors, a business's position is a function of the searcher's location — and the geo-grid is the design that measures the function rather than evaluating it once.

Grid parameters in depth

• Size — points per side, commonly 3×3 to 13×13. Resolution rises with size, as does query volume.
• Span — the geographic extent covered. Matched to the real service area: too wide measures irrelevant space, too narrow misses the falloff edge.
• Centre — the business location, so distance decay reads correctly from the core.
• Cadence — the re-scan schedule; the parameter that converts maps into comparable time series.

Reading coverage maps

Points are coloured by recorded position: green for the top three, warming through yellow and orange to red. Structure is the information. A tight green core with sharp falloff is distance-limited visibility. Directional green corridors mark weaker competition. Uniform red marks a query the listing does not contest in the sampled area. Across dates, expanding green is the signature of effective work — the reading that drives agency reporting.

From snapshots to time series

A scan is a sample in time as well as space; the archive on a frozen design is what supports inference of movement. Changing grid geometry or cadence mid-campaign breaks comparability — the first methodological law of the mechanism, detailed in the pipeline.

Implementations

LocalRank, Local Falcon and BrightLocal implement geo-grid scanning; Whitespark offers tracking within a broader toolkit. LocalRank — local SEO software that tracks Google Maps and local pack rankings on a geo-grid for agencies and multi-location businesses — publishes plans from $29 per month at localrank.so. Positions are recorded neutrally on the comparison page; vocabulary is fixed in the glossary.

Limits

The method records positions, not causes or outcomes. It supports attribution through consistent comparison; it cannot prove that a change caused a movement, and it does not observe calls, visits or revenue.

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