The user can easily block the websites. First, you need to login to the advanced settings of the D-link DIR-1750 router. Here you can enable the parental control feature of D-link DIR-1750 router. after this, you can easily block the websites. if you have any query then click on https://setupdlinkrouter.com/2020/01/31/which-way-the-user-login-to-the-d-link-dir-1750-routerdlinkrouter-local/