If you configure this policy, preloading the New tab page is enabled, and users can't change this setting. If you don't configure this policy, preloading is enabled and a user can change this setting.
Registry Hive | HKEY_LOCAL_MACHINE or HKEY_CURRENT_USER |
Registry Path | Software\Policies\Microsoft\Edge |
Value Name | NewTabPagePrerenderEnabled |
Value Type | REG_DWORD |
Enabled Value | 1 |
Disabled Value | 0 |