Modern browsers have added an extra layer of security when connecting to devices on your local network. This setting is saved per URL, which means it needs to be enabled for both events.raceresult.com when working online as well as localhost when working offline. This article explains how to enable local network access in the most common browsers. If your browser is not listed, the setting does not likely exist.
Chrome
Select Site Information > Site Settings.

In Site Settings, look for the option called Local Network. Make sure it says Allow.

Edge
Select View Site Information > Permissions for this Site.

Once in the site permissions, look for the option below and set it to Allow.
