My main gripe with Gmail is how often it will take upwards of 20 seconds to delete/move/spam an email, evidenced by the tab complaining if I go to close it. It'

My main gripe with Gmail is how often it will take upwards of 20 seconds to delete/move/spam an email, evidenced by the tab complaining if I go to close it. It's an incredibly common issue and doesn't seem to be directly tied to the quality of my internet connection.