A very capable and possible overwhelming caching plugin with extra LiteSpeed server integration.
You can display pdf files as an animated flipbook with page turning sound effects :o
Show images, galleries and videos in a lightbox with minimum effort and possible improved privacy.
Filter out comment spam quietly and automatically while ensuring privacy.
Easily activates https on your WordPress provided you've already got an SSL certificate.
This plugin cleans up filenames of files uploaded to the media library, making them url and server friendly.