Use a fallback if geolocation is required # Be clear and explicit about your need for the location.Handle all errors out of the geolocation API so that you can adapt your site to this condition.Many of your users won't want to give you their location, so you need to adopt a defensive development style. So what are the best practices? Assume users will not give you their location # Recent user studies have shown that users are distrustful of sites that simply prompt the user to give away their position on page load. Tag data created inside your application with the user's location (that is, geo-tag a picture).Tailor information (such as news) to the user's location.Find where the user is closest to a specific physical location to tailor the user experience.
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Don't just learn how to implement geolocation learn the best way to use geolocation.Use feature detection in case a user's browser doesn't support geolocation.Ask for permission as a clear response to a user gesture.Use geolocation when it benefits the user.If your site is hosted on a non-secure origin (such as HTTP), any requests for the user's location no longer function. This guide walks you through the common use cases and solutions.Īs of Chrome 50, the Geolocation API only works on secure contexts (HTTPS). You need to be aware of many things when using the Geolocation API. This creates a lot of interesting use cases, such as integrating with backend systems to prepare an order for collection if the user is close by. The Geolocation API also lets you see where the user is and keep tabs on them as they move around, always with the user's consent (and only while the page is open). You can use this functionality for things like guiding a user to their destination and geo-tagging user-created content for example, marking where a photo was taken. The Geolocation API lets you discover, with the user's consent, the user's location. Emulate geolocation with Chrome DevTools.Prefer a coarse location over a fine-grained location.Don't keep the user waiting, set a timeout.Reduce the need to start geolocation hardware.When to use geolocation to watch the user's location.Determining the user's current location.Gently nudge users to grant permission to their location.Give a clear indication that an action will request their location.Always request access to location on a user gesture.Use a fallback if geolocation is required.Assume users will not give you their location.
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