An IP-based redirect automatically sends a website visitor to a specific regional or language version of a site based on their detected geographic location, inferred from their IP address, without requiring the visitor to manually select their preference.
While convenient, Google generally advises against forcing automatic IP-based redirects without also allowing user override, since this can prevent search engine crawlers (which often crawl from a limited set of locations) from properly discovering and indexing all regional versions of a site.
A safer approach typically combines a suggested redirect banner (rather than a forced automatic redirect) with a clear, always-accessible manual country or language selector.
We advise on safe international redirect implementation within our Technical SEO service.