iPhone · Safari

1. Open Settings → Privacy & Security → Location Services and make sure it's On.
2. Scroll down to Safari Websites. Choose While Using the App and turn on Precise Location.
3. Come back here, tap Start, and tap Allow when Safari asks.

Blocked it earlier? Tap the page menu (aA or ☰) next to the address bar → Website Settings → Location → Allow, then reload.

iPhone · Chrome

1. Open Settings → Privacy & Security → Location Services and make sure it's On.
2. Scroll down to Chrome. Choose While Using the App and turn on Precise Location.
3. Come back here, tap Start, and tap Allow when asked.

Android · Chrome

1. Swipe down from the top of the screen and make sure Location is On.
2. Tap Start. When asked, pick Precise (not Approximate), then Allow.

Chose Approximate earlier? Open Settings → Apps → Chrome → Permissions → Location and turn on Use precise location. Then reload this page.

For better accuracy, turn on Settings → Location → Location services → Google Location Accuracy.

Android · Samsung Internet

1. Swipe down from the top of the screen and make sure Location is On.
2. Tap Start. When asked, pick Precise (not Approximate), then Allow.

Chose Approximate earlier? Open Settings → Apps → Samsung Internet → Permissions → Location and turn on Use precise location. Then reload this page.

For better accuracy, turn on Settings → Location → Location services → Google Location Accuracy.