WordPress plugin comparison

CSS JS Manager, Async JavaScript, Defer Render Blocking CSS vs Page Speed Optimizer

CSS JS Manager, Async JavaScript, Defer Render Blocking CSS

by PI Web Solution

1K+ installs4.8

Page Speed Optimizer

by PI Web Solution

6K+ installs4.7

At a glance

Page Speed Optimizer has more active installs: 6K+, against 1K+ for CSS JS Manager, Async JavaScript, Defer Render Blocking CSS.
On a typical day, Page Speed Optimizer is downloaded about 80 times, CSS JS Manager, Async JavaScript, Defer Render Blocking CSS about 56.
CSS JS Manager, Async JavaScript, Defer Render Blocking CSS is rated higher: 4.8 out of 5 from 90 reviews, against 4.7 from 64 reviews.
CSS JS Manager, Async JavaScript, Defer Render Blocking CSS was updated more recently: Oct 28, 2026, against Oct 27, 2026 for Page Speed Optimizer.
Both are tested up to WordPress 7.1.4.
Page Speed Optimizer has been around longer: since 2018, against 2019 for CSS JS Manager, Async JavaScript, Defer Render Blocking CSS.

Page Speed Optimizer leads on 4 of 6 comparable lines.

Metric	CSS JS Manager, Async JavaScript, Defer Render Blocking CSS	Page Speed Optimizer
Popular rank	#5,798	#2,815
Active installs	1K+	6K+
Downloads, last 30 days	1.7K	2.8K
Rating	4.8(90)	4.7(64)
Support threads resolved	–	–
Tested up to	7.1.4	7.1.4
Search multiplier	×0.62	×0.80
Last release	12 days ago	13 days ago
Requires PHP	–	7.4

From WordPress.org's public data, refreshed every night. Downloads are WordPress.org's official daily figures for the last 30 days.

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