Page Speed Optimizer: HTTP/2 Push… vs CSS JS Manager, Async JavaScript, Defer… (2026)

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

Page Speed Optimizer: HTTP/2 Push…

4.7(64)

7.0K+ active installs

Free

Updated Yesterday

View Page Speed Optimizer: HTTP/2 Push…

CSS JS Manager, Async JavaScript, Defer…

4.8(90)

1.0K+ active installs

Free

Updated 2 days ago

View CSS JS Manager, Async JavaScript, Defer…

Quick Verdict

As of April 2026, CSS JS Manager, Async JavaScript, Defer… has a higher user rating (4.8/5 from 90 reviews) while Page Speed Optimizer: HTTP/2 Push… leads in active installations (7.0K+ vs 1.0K+). Both are free WordPress plugins. Page Speed Optimizer: HTTP/2 Push… has accumulated 357K+ total downloads while CSS JS Manager, Async JavaScript, Defer… has 172K+.

Detailed Comparison

Metric	Page Speed Optimizer: HTTP/2 Push…		CSS JS Manager, Async JavaScript, Defer…
Rating	4.7/5	►	4.8/5
Total Reviews	64	►	90
Active Installs	7.0K+	◄	1.0K+
Total Downloads	357K+	◄	172K+
Support Resolution	N/A		N/A
Last Updated	Yesterday	◄	2 days ago
First Released	2018		2019
Age	8 years		7 years
WP Requires	4.0+		3.0.1+
PHP Requires	7.4+		false+
Business Model	Free		Free
Latest Version	1.10.44		2.4.49.70

Rating

4.7/5Page Speed Optimizer: HTTP/2 Push…

►

CSS JS Manager, Async JavaScript, Defer…4.8/5

Total Reviews

64Page Speed Optimizer: HTTP/2 Push…

►

CSS JS Manager, Async JavaScript, Defer…90

Active Installs

7.0K+Page Speed Optimizer: HTTP/2 Push…

◄

CSS JS Manager, Async JavaScript, Defer…1.0K+

Total Downloads

357K+Page Speed Optimizer: HTTP/2 Push…

◄

CSS JS Manager, Async JavaScript, Defer…172K+

Support Resolution

N/APage Speed Optimizer: HTTP/2 Push…

CSS JS Manager, Async JavaScript, Defer…N/A

Last Updated

YesterdayPage Speed Optimizer: HTTP/2 Push…

◄

CSS JS Manager, Async JavaScript, Defer…2 days ago

First Released

2018Page Speed Optimizer: HTTP/2 Push…

CSS JS Manager, Async JavaScript, Defer…2019

Age

8 yearsPage Speed Optimizer: HTTP/2 Push…

CSS JS Manager, Async JavaScript, Defer…7 years

WP Requires

4.0+Page Speed Optimizer: HTTP/2 Push…

CSS JS Manager, Async JavaScript, Defer…3.0.1+

PHP Requires

7.4+Page Speed Optimizer: HTTP/2 Push…

CSS JS Manager, Async JavaScript, Defer…false+

Business Model

FreePage Speed Optimizer: HTTP/2 Push…

CSS JS Manager, Async JavaScript, Defer…Free

Latest Version

1.10.44Page Speed Optimizer: HTTP/2 Push…

CSS JS Manager, Async JavaScript, Defer…2.4.49.70

Rating Breakdown

Page Speed Optimizer: HTTP/2 Push…

4.7/5(64 reviews)

84%

CSS JS Manager, Async JavaScript, Defer…

4.8/5(90 reviews)

93%

Download Trends

Over the past 30 days, Page Speed Optimizer: HTTP/2 Push… averaged approximately 99 daily downloads while CSS JS Manager, Async JavaScript, Defer… averaged 76.

Recent Reviews

Page Speed Optimizer: HTTP/2 Push… Reviews

by pagrob

Great Plugin

If set well gives excellent results

by reecejames

Does what is says on the tin.

Makes the changes requested. Deciding which approach is best to use, does take a little thinking/testing to confirm best approach.

by fermds

Excellent

CSS JS Manager, Async JavaScript, Defer… Reviews

by adrian

Excelente herramienta y muy intuitiva

He probado varios gestores de código y este es, sin duda, uno de los más limpios y fáciles de usar. Cumple exactamente con lo que promete sin sobrecargar el sitio. ¡Muy recomendado!

by pagrob

Good Plugin

This plugin works very well

by cezaro

Simple and useful

I switched from another plugin to this one and I’m happy with how it works.

Frequently Asked Questions

Is Page Speed Optimizer: HTTP/2 Push… or CSS JS Manager, Async JavaScript, Defer… more popular?

Page Speed Optimizer: HTTP/2 Push… has 7.0K+ active installations while CSS JS Manager, Async JavaScript, Defer… has 1.0K+. Page Speed Optimizer: HTTP/2 Push… is the more widely-used plugin as of April 2026.

Which has better ratings — Page Speed Optimizer: HTTP/2 Push… or CSS JS Manager, Async JavaScript, Defer…?

Page Speed Optimizer: HTTP/2 Push… has a 4.7/5 rating from 64 reviews, while CSS JS Manager, Async JavaScript, Defer… has a 4.8/5 rating from 90 reviews.

Are Page Speed Optimizer: HTTP/2 Push… and CSS JS Manager, Async JavaScript, Defer… free?

Page Speed Optimizer: HTTP/2 Push… is free and CSS JS Manager, Async JavaScript, Defer… is free. Both can be downloaded from the WordPress.org plugin directory.

Which plugin has better support — Page Speed Optimizer: HTTP/2 Push… or CSS JS Manager, Async JavaScript, Defer…?

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?

Page Speed Optimizer: HTTP/2 Push… was last updated Yesterday and CSS JS Manager, Async JavaScript, Defer… was last updated 2 days ago.

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