Why you need to add _nomape beside your network name

What the most of people don't know, is web browsers Companies like google and mozilla firefox get information about our devices when we use internet .

why they need to do these ? :  

they need these in order to know your place with your ip address from the router .

how could i save my self  ? : 

to save your self you need to access to your router from the ip address  you can type one of this :
192.168.1.1, 192.168.2.1 or 192.168.0.1 in your web browser then you get a new window you need to type on it your router username and password you can get it from the bottom of your router device or you can Contact the router company.

Well after you know you router information you find your self in the router controller page find a ssid or wifi name and click on it to go to another page you need to enter _nomap Beside wifi name .

well done, now you are successfully protect your router.