5 Best Image Optimization Plugins for WordPress Tested on Real Images

Looking for the best image optimization plugin for WordPress? To help you choose, we went hands-on with five popular options and ran our own tests. See the results of these tests here.

Death Notice of Martin Richard Hefferon (Rathmines, Dublin)
The death has occurred of Martin Richard Hefferon of Rathmines, Dublin Ireland, on 02/04/2026. You can view the full death notice and add your condolences here.
Death Notice of John Guiney (Rathfarnham, Dublin)
The death has occurred of John Guiney of Rathfarnham, Dublin Ireland, on 15/08/2026. You can view the full death notice and add your condolences here.
Death Notice of Patrick Carr (Rathfarnham, Dublin)
The death has occurred of Patrick Carr of Rathfarnham, Dublin Ireland, on 26/07/2026. You can view the full death notice and add your condolences here.
Death Notice of Maureen Hennigan (née Sheehan) (Rathfarnham, Dublin)
The death has occurred of Maureen Hennigan (née Sheehan) of Rathfarnham, Dublin Ireland, on 22/07/2026. You can view the full death notice and add your condolences here.
Death Notice of Wendy DUNNE (Lucan, Dublin)
The death has occurred of Wendy DUNNE of Lucan, Dublin Ireland, on 10/07/2026. You can view the full death notice and add your condolences here.