Performance Lab vs Doctor Subs (2026)

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

Performance Lab

Performance Lab

4.3(50)

200K+ active installs

Free

Updated 1 month ago
View Performance Lab
VS
Doctor Subs

Doctor Subs

0(0)

0 active installs

Free

Updated 4 months ago
View Doctor Subs

Quick Verdict

As of April 2026, Performance Lab has a higher user rating (4.3/5 from 50 reviews) and leads in active installations (200K+ vs 0). Both are free WordPress plugins. Performance Lab has accumulated 3.5M+ total downloads while Doctor Subs has 159.

Detailed Comparison

Rating
4.3/5Performance Lab
Doctor SubsN/A
Total Reviews
50Performance Lab
Doctor Subs0
Active Installs
200K+Performance Lab
Doctor Subs0
Total Downloads
3.5M+Performance Lab
Doctor Subs159
Support Resolution
N/APerformance Lab
Doctor SubsN/A
Last Updated
1 month agoPerformance Lab
Doctor Subs4 months ago
First Released
2022Performance Lab
Doctor Subs2025
Age
4 yearsPerformance Lab
Doctor Subs1 year
WP Requires
6.6+Performance Lab
Doctor Subs5.0+
PHP Requires
7.2+Performance Lab
Doctor Subs7.4+
Business Model
FreePerformance Lab
Doctor SubsFree
Latest Version
4.1.0Performance Lab
Doctor Subs1.2.4

Rating Breakdown

Performance Lab

4.3/5(50 reviews)
5
76%
4
4%
3
6%
2
0%
1
14%

Doctor Subs

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

Recent Reviews

Performance Lab Reviews

by Eduard Doloc

great for testing, idk how great for production

been using a few of the plugins and metrics for testing and scaling, been using some of the plugins noted there on some production sites, but I do advise on never installing the plugins that require o

by hunain8

Good performance improvements but needs polishing

I have tested this plugin on a few sites and it provides some useful performance features that are helpful for optimization and experimentation. The modular approach is nice and makes it easy to enabl

by Afshari

Essential for modern WP sites! Now 100% translated into Persian

Performance Lab is the gateway to the future of WordPress. These tools are crucial for anyone serious about site speed, Core Web Vitals, and modern image formats. I have personally translated and

Doctor Subs Reviews

No reviews yet

Frequently Asked Questions

Is Performance Lab or Doctor Subs more popular?
Performance Lab has 200K+ active installations while Doctor Subs has 0. Performance Lab is the more widely-used plugin as of April 2026.
Which has better ratings — Performance Lab or Doctor Subs?
Performance Lab has a 4.3/5 rating from 50 reviews, while Doctor Subs has a 0/5 rating from 0 reviews.
Are Performance Lab and Doctor Subs free?
Performance Lab is free and Doctor Subs is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — Performance Lab or Doctor Subs?
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?
Performance Lab was last updated 1 month ago and Doctor Subs was last updated 4 months ago.

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