cd .config

Make The Following File: 

sudo mkdir -p lxsession/LXDE-pi


Let's Edit The Following File:

sudo nano lxsession/LXDE-pi/autostart

Copy And Paste The Following And Edit The Web Address
@lxpanel --profile LXDE-pi
@pcmanfm --desktop --profile LXDE-pi
#@xscreensaver -no-splash
point-rpi
@chromium-browser --start-fullscreen --start-maximized https://......