PluginSift

Firelight Lightbox vs IOptimizer – Compress, Optimize and… (2026)

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

Firelight Lightbox

Firelight Lightbox

4.8(331)

200K+ active installs

Free + Premium

Updated 3 weeks ago
View Firelight Lightbox
VS
IOptimizer – Compress, Optimize and…

IOptimizer – Compress, Optimize and…

0(0)

0 active installs

Free

Updated 5 years ago
View IOptimizer – Compress, Optimize and…

Quick Verdict

As of April 2026, Firelight Lightbox has a higher user rating (4.8/5 from 331 reviews) and leads in active installations (200K+ vs 0). Both are free + premium WordPress plugins. Firelight Lightbox has accumulated 7.6M+ total downloads while IOptimizer – Compress, Optimize and… has 1.1K+.

Detailed Comparison

Rating
4.8/5Firelight Lightbox
◄
IOptimizer – Compress, Optimize and…N/A
Total Reviews
331Firelight Lightbox
◄
IOptimizer – Compress, Optimize and…0
Active Installs
200K+Firelight Lightbox
◄
IOptimizer – Compress, Optimize and…0
Total Downloads
7.6M+Firelight Lightbox
◄
IOptimizer – Compress, Optimize and…1.1K+
Support Resolution
43%Firelight Lightbox
IOptimizer – Compress, Optimize and…N/A
Last Updated
3 weeks agoFirelight Lightbox
◄
IOptimizer – Compress, Optimize and…5 years ago
First Released
2010Firelight Lightbox
IOptimizer – Compress, Optimize and…2020
Age
16 yearsFirelight Lightbox
IOptimizer – Compress, Optimize and…6 years
WP Requires
5.0+Firelight Lightbox
IOptimizer – Compress, Optimize and…3.0.1+
PHP Requires
7.0+Firelight Lightbox
IOptimizer – Compress, Optimize and…5.6+
Business Model
Free + PremiumFirelight Lightbox
IOptimizer – Compress, Optimize and…Free
Latest Version
2.3.19Firelight Lightbox
IOptimizer – Compress, Optimize and…1.0.3

Rating Breakdown

Firelight Lightbox

4.8/5(331 reviews)
5
90%
4
5%
3
2%
2
0%
1
3%

IOptimizer – Compress, Optimize and…

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

Recent Reviews

Firelight Lightbox Reviews

by rugger86

Very good

Recommend

by FinnDorian

Doesn’t work with sunshine photo cart

I’m using the gallery Plugin “sunshine photo cart” and it does not convert image links into a lightbox gallery. I am sick of using/adjusting 5 different lightbox plugins, because every gallery uses it

by Andreas Lanz

Increases the value of a photo blog

The plugin works perfect and with a beautiful, but discreet animation. I’d prefer having the possibility to force the browser via the settings to show the images in their original size if they are

IOptimizer – Compress, Optimize and… Reviews

No reviews yet

Frequently Asked Questions

Is Firelight Lightbox or IOptimizer – Compress, Optimize and… more popular?
Firelight Lightbox has 200K+ active installations while IOptimizer – Compress, Optimize and… has 0. Firelight Lightbox is the more widely-used plugin as of April 2026.
Which has better ratings — Firelight Lightbox or IOptimizer – Compress, Optimize and…?
Firelight Lightbox has a 4.8/5 rating from 331 reviews, while IOptimizer – Compress, Optimize and… has a 0/5 rating from 0 reviews.
Are Firelight Lightbox and IOptimizer – Compress, Optimize and… free?
Firelight Lightbox is free + premium and IOptimizer – Compress, Optimize and… is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — Firelight Lightbox or IOptimizer – Compress, Optimize and…?
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?
Firelight Lightbox was last updated 3 weeks ago and IOptimizer – Compress, Optimize and… was last updated 5 years ago.

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