PluginSift

Autoptimize vs Add Highslide (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
Add Highslide

Add Highslide

0(0)

40 active installs

Free

Updated 16 years ago
View Add Highslide

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 40). Both are free WordPress plugins. Autoptimize has accumulated 43M+ total downloads while Add Highslide has 12K+.

Detailed Comparison

Rating
4.7/5Autoptimize
◄
Add HighslideN/A
Total Reviews
1,425Autoptimize
◄
Add Highslide0
Active Installs
900K+Autoptimize
◄
Add Highslide40
Total Downloads
43M+Autoptimize
◄
Add Highslide12K+
Support Resolution
82%Autoptimize
Add HighslideN/A
Last Updated
YesterdayAutoptimize
◄
Add Highslide16 years ago
First Released
2009Autoptimize
Add Highslide2009
Age
17 yearsAutoptimize
Add Highslide17 years
WP Requires
5.3+Autoptimize
Add Highslide2.0.2+
PHP Requires
7.1+Autoptimize
Add Highslidefalse+
Business Model
FreeAutoptimize
Add HighslideFree
Latest Version
3.1.15.1Autoptimize
Add Highslide1.1

Rating Breakdown

Autoptimize

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

Add Highslide

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

Add Highslide Reviews

No reviews yet

Frequently Asked Questions

Is Autoptimize or Add Highslide more popular?
Autoptimize has 900K+ active installations while Add Highslide has 40. Autoptimize is the more widely-used plugin as of April 2026.
Which has better ratings — Autoptimize or Add Highslide?
Autoptimize has a 4.7/5 rating from 1,425 reviews, while Add Highslide has a 0/5 rating from 0 reviews.
Are Autoptimize and Add Highslide free?
Autoptimize is free and Add Highslide is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — Autoptimize or Add Highslide?
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 Add Highslide was last updated 16 years ago.

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