That is exactly it, Hector. Just add this activity and UiPath will wait for the page to finish loading, there is no need to validate the output.
Something that might help you in testing how the automation will behave when in slow connections is Network Throttling, a functionality available in DevTools. Here’s a video explaining how to use it: How to Emulate Slow Internet Connection in Google Chrome (Network Throttling) - YouTube
Just keep in mind that you need to keep DevTools open while testing, otherwise it will reset to your regular speed. Breakpoints work great when setting up test cases.