Persistence is still slow, but is no longer a major bottleneck. SSDs are faster, but io and network is still slow.
What has changed it is much easier for the client to be continually in touch with the server so that by the time the next "page" is loaded all necessary data has been retrieved.
This way the database is no longer the same obvious bottleneck.
What has changed it is much easier for the client to be continually in touch with the server so that by the time the next "page" is loaded all necessary data has been retrieved.
This way the database is no longer the same obvious bottleneck.