I test r̶s̶y̶n̶c̶ rclone on my workplace pc with linux mint. It is faster in terms of speed against the inbuild webdav-mount. r̶s̶y̶n̶c̶ Rclone comes with a handy “installer” for creating new connections. You create once your config for a connection and then mount the resource with a oneliner-command. Much easier like the fstab or dav2fs attemp.
On my SailfishOS Daily Driver Sony XZ2 Compact i using dav2fs but will test r̶s̶y̶n̶c̶ rclone against it and will of course write a test/howto about it.