What's considered a good loading time for the legacy Chat widget, or the Web Widget (Classic)?
A load time that is within the expected performance of the widget is between two and three seconds. This time is considered to be a perfectly good loading time for the Web Widget or Web Widget (Classic) on your site.
There are a number of different factors that can affect the load time of the widget, particularly its location. Place the widget code in the header or footer of the page. This applies to both the standalone Web Widget and Web Widget (Classic).
For more information, see this article: Using Web Widget (Classic) to embed customer service in your website.