Most of the Android users installed third party application on their phone in order to use it to track down the lost phone. But actually you can do that with google web site as long as your phone is logon to google account before.
You would see a drop down list at the top right hand corner if you have more than 1 android phone connected to Google account before. Google will starts to locate your phone (But your phone must be ON and connected to internet), and return a result like below.
It is common that users unable to find their phone at home
On the left hand corner, there is a button called “Ring”, clicking on that will trigger your Android phone to ring at maximum volume. This is a good feature to look for your phone especially you accidentally silent the phone and unable to locate that at your house.
Remotely lock or erase your phone
By clicking the “Enable Lock & Erase” button, it will shows up 2 critical buttons for user to lock the phone, or erase all the data for that phone.
Putting a recovery message & phone number (I know chances are very slim)
If user choose to lock the phone remotely, the victim can change the password on the spot, putting a recovery message and even a recovery phone number in case someone found your phone.