Most common location-changing tools provide shared addresses that are often flagged by major platforms, which is why your testing data remains unreliable. When a server sees an address that is frequently associated with automated traffic, it often defaults to serving a generic or restricted version of the page. You should look for a provider that offers genuine residential connections, as these are much harder for site filters to distinguish from typical human users. If you do not have a way to route your traffic through clean, verified nodes within the specific city you are auditing, you will continue to receive the same biased results regardless of how you configure your browser