PluginSift

Autoptimize vs GS Alternate Images (2026)

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

Autoptimize

Autoptimize

4.7(1,425)

900K+ active installs

Free

Updated Yesterday
View Autoptimize
VS
GS Alternate Images

GS Alternate Images

0(0)

10 active installs

Free

Updated 15 years ago
View GS Alternate Images

Quick Verdict

As of April 2026, Autoptimize has a higher user rating (4.7/5 from 1,425 reviews) and leads in active installations (900K+ vs 10). Both are free WordPress plugins. Autoptimize has accumulated 43M+ total downloads while GS Alternate Images has 2.2K+.

Detailed Comparison

Rating
4.7/5Autoptimize
◄
GS Alternate ImagesN/A
Total Reviews
1,425Autoptimize
◄
GS Alternate Images0
Active Installs
900K+Autoptimize
◄
GS Alternate Images10
Total Downloads
43M+Autoptimize
◄
GS Alternate Images2.2K+
Support Resolution
82%Autoptimize
GS Alternate ImagesN/A
Last Updated
YesterdayAutoptimize
◄
GS Alternate Images15 years ago
First Released
2009Autoptimize
GS Alternate Images2010
Age
17 yearsAutoptimize
GS Alternate Images16 years
WP Requires
5.3+Autoptimize
GS Alternate Images2.9+
PHP Requires
7.1+Autoptimize
GS Alternate Imagesfalse+
Business Model
FreeAutoptimize
GS Alternate ImagesFree
Latest Version
3.1.15.1Autoptimize
GS Alternate Images1.0

Rating Breakdown

Autoptimize

4.7/5(1,425 reviews)
5
90%
4
2%
3
1%
2
1%
1
5%

GS Alternate Images

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

Recent Reviews

Autoptimize Reviews

by uniqf0x

avoid

causes critical error, also no way to deactivate or remove without it crippling my wp site. don’t use it.

by kkrajk

Injects Malware.

Not one but this happened twice in about 6 months across 2 sites. This topic was modified 1 week, 6 days ago by kkrajk.

by davo342

Mala idea adquirir la versión PRO

Pague la versión PRO, y realmente fue un desastre, mi web tuvo constantes caídas, excesiva cantidad de cache, problemas con el CSS, realmente fue una perdida de dinero en el Plugin

GS Alternate Images Reviews

No reviews yet

Frequently Asked Questions

Is Autoptimize or GS Alternate Images more popular?
Autoptimize has 900K+ active installations while GS Alternate Images has 10. Autoptimize is the more widely-used plugin as of April 2026.
Which has better ratings — Autoptimize or GS Alternate Images?
Autoptimize has a 4.7/5 rating from 1,425 reviews, while GS Alternate Images has a 0/5 rating from 0 reviews.
Are Autoptimize and GS Alternate Images free?
Autoptimize is free and GS Alternate Images is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — Autoptimize or GS Alternate Images?
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?
Autoptimize was last updated Yesterday and GS Alternate Images was last updated 15 years ago.

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