Every web browser has what's called a cache: a temporary storage space for web pages that syncs online content to your computer or mobile device. This syncing is designed to help websites load up ...
YouTube could slow down sometimes without you knowing because of the website and app caches. If this is enough to bother you, then you might want to clear them on your phone or desktop right away.
If you visit a website multiple times a day, loading it each time is inefficient. Instead, your browser downloads all the data once and then displays it whenever you reopen it. This cache fills up ...