What is updraftplus plugin in WordPress

UpdraftPlus is a very popular WordPress Backup Plugin. You can back up your blog's files and databases to 3rd-party storages such as Dropbox, Google Drive, Amazon S3 (or compatible), UpdraftVault, Rackspace Cloud, FTP, DreamObjects, OpenStack Swift, and email.

It comes with free and paid versions. Its free version works perfect for a small website.