I highly recommend my own host, Lightningbase. That's an affiliate link, but it's the only affiliate link I ever use. They are just that good -- and, as their name implies, very fast.
But you don't need to take my word for it. The only really robust, independent surveys of web hosts are carried out annually by Review Signal. You can find the results of previous surveys yourself, but here's a link to the one for 2018: https://reviewsignal.com/blog/wordpress-hosting-performance-benchmarks-2018/