Struggling with geolocation API accuracy for my location tool?

hey everyone,

we've got this web tool, "What is My Location?", and it's pretty popular, but we're hitting a snag with location accuracy, especially for mobile users. it's one of those things that seems simple but is proving tricky.

the core problem is a lot of users are saying their reported location is way off, sometimes by miles. it's causing some frustration, and we really want to nail this. we're using the standard browser geolocation API primarily, backed up by IP data for fallback. sometimes, these different location services just don't play nice together.

we've tried tweaking the accuracy options in the getCurrentPosition call, like enableHighAccuracy: true. also integrated a couple of different IP-based services as a fallback, but the discrepancies persist. we also double-checked permissions, making sure prompts are clear and users understand what they're agreeing too.

sometimes the geolocation API just bails, or gives super broad results. or the IP lookup is just wildly inaccurate. here's a quick example of what we sometimes see in the console or from our IP service:

// Fake Console Output Example
GeolocationPositionError {code: 2, message: "User denied geolocation permission."}
// or
GeolocationPositionError {code: 3, message: "Timeout expired."}
// or from our IP service
{ "ip": "192.0.2.0", "city": "Unknown", "region": "N/A", "country": "US", "latitude": "37.7749", "longitude": "-122.4194", "accuracy": "broad area" }

so, our question is, what are some advanced strategies or common pitfalls we might be missing to improve geolocation API accuracy and overall location detection for our web tool? are there specific third-party location services that are a game-changer for this, perhaps something that combines WiFi triangulation or cell tower data more effectively?

thanks in advance!