PluginSift

WebP Express vs SmartSite Optimizer (2026)

Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.

WebP Express

WebP Express

4.4(160)

300K+ active installs

Free

Updated 2 months ago
View WebP Express
VS
SmartSite Optimizer

SmartSite Optimizer

0(0)

0 active installs

Free

Updated 4 months ago
View SmartSite Optimizer

Quick Verdict

As of April 2026, WebP Express has a higher user rating (4.4/5 from 160 reviews) and leads in active installations (300K+ vs 0). Both are free WordPress plugins. WebP Express has accumulated 4.1M+ total downloads while SmartSite Optimizer has 148.

Detailed Comparison

Rating
4.4/5WebP Express
◄
SmartSite OptimizerN/A
Total Reviews
160WebP Express
◄
SmartSite Optimizer0
Active Installs
300K+WebP Express
◄
SmartSite Optimizer0
Total Downloads
4.1M+WebP Express
◄
SmartSite Optimizer148
Support Resolution
0%WebP Express
SmartSite OptimizerN/A
Last Updated
2 months agoWebP Express
◄
SmartSite Optimizer4 months ago
First Released
2018WebP Express
SmartSite Optimizer2025
Age
8 yearsWebP Express
SmartSite Optimizer1 year
WP Requires
4.0+WebP Express
SmartSite Optimizer5.8+
PHP Requires
5.6+WebP Express
SmartSite Optimizer7.4+
Business Model
FreeWebP Express
SmartSite OptimizerFree
Latest Version
0.25.14WebP Express
SmartSite Optimizer1.0.0

Rating Breakdown

WebP Express

4.4/5(160 reviews)
5
81%
4
4%
3
1%
2
4%
1
10%

SmartSite Optimizer

0/5(0 reviews)
5
0%
4
0%
3
0%
2
0%
1
0%

Recent Reviews

WebP Express Reviews

by Wishlight

Good plugin

Good plugin. Thanks for the update.

by metroobra

Excelent and good free plugin

Excelent and good free plugin for convert images jpg/png a webp

by smastromattei

Amazing

This stuff is the real deal: just an app that works, no hassling like premium versions or special features. Thank you.

SmartSite Optimizer Reviews

No reviews yet

Frequently Asked Questions

Is WebP Express or SmartSite Optimizer more popular?
WebP Express has 300K+ active installations while SmartSite Optimizer has 0. WebP Express is the more widely-used plugin as of April 2026.
Which has better ratings — WebP Express or SmartSite Optimizer?
WebP Express has a 4.4/5 rating from 160 reviews, while SmartSite Optimizer has a 0/5 rating from 0 reviews.
Are WebP Express and SmartSite Optimizer free?
WebP Express is free and SmartSite Optimizer is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — WebP Express or SmartSite Optimizer?
Support resolution data is not available for all plugins. Check each plugin's WordPress.org support forum for current response quality.
Which plugin is updated more frequently?
WebP Express was last updated 2 months ago and SmartSite Optimizer was last updated 4 months ago.

Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.