When the Chrome browser is opened on the LG smartphone, the Google web page is displayed by default, and any web page can be set as the home page of the browser.

Android 9 | LG UX 9.0
Step 1:  Open the  Chrome  Browser
Step 2:  Open the  Menu
Step 3:  Open the  Settings
Step 4:  Tap on  Homepage
Step 5:  Tap on current  Homepage
Step 6:  Enter desired  URL  and tap on  Back
  1. Open the Chrome Browser
  2. Open the Menu
  3. Open the Settings
  4. Tap on Homepage
  5. Tap on current Homepage
  6. Enter desired URL and tap on Back

LG Instructions