In all seriousness, adding interstitials can provide value. If the login performance has high variance, it's better to set an expectation that it will take 5 seconds than leave the user wondering if the click actually worked. Similarly, Apple has done an amazing job with UI transitions in iOS to mask the actual load time.
In all seriousness, adding interstitials can provide value. If the login performance has high variance, it's better to set an expectation that it will take 5 seconds than leave the user wondering if the click actually worked. Similarly, Apple has done an amazing job with UI transitions in iOS to mask the actual load time.