When you submit the form, if your PC is correctly set up, Google Earth Desktop will launch and show the calculated hashpoints.
This seems to work on Android mobile phones and perhaps others too.
UK geohashers might find the link to the Ordnance Survey maps particularly useful. Outside the UK you just get the normal Bing maps.
Use this form or make a bookmark or shortcut - like this https://nbest.co.uk/kmlGeohash/index.php?date=2016-01-31&lat=52&lon=-1&clat=52.5&clon=1.5&skins=3
For the Globalhash, zoom out until it comes into view.
Disclaimer: Do no damage. Don't disturb people, animals or the environment. Stay safe!