Geo-Rankings to Adjust Cross-Country SEO

Geo-rankings mean that rankings can vary quite widely within a country, so when checking rankings it is important to get a view of the whole picture with results from many locations, not just results from one location as this may not reflect results countrywide. This also affects SEO strategy as rankings become unstable and less useful as a measure of effectiveness.

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Geo-rankings: an SEO KPI game changer – Econsultancy (blog)