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PageSpeed Ninja – Cache, Minify, Defer CSS JavaScript, Critical CSS, Optimize Images, Convert WebP

v1.4.5

by PageSpeed · updated 2 years ago

Boost page speed: cache, compress, optimize images to WebP, minify CSS/JS, defer loading, lazy load, generate critical CSS, improve Core Web Vitals

convert webpdefer css javascriptminify cssminify javascriptperformance
WordPress.org SaveAnalyze reviews Track this plugin
Rank
#3,188
Up1 vs yesterday
Active installs (est.)
≈ 5,190
5K+ reported · High
Total downloads
711K
710,956 all-time
Rating
4.5/5
114 reviews
Support resolved
–
0 of 0 threads, last 2 months
Growing·Downloads +17% (30d)·Toward 6K+ · ETA ~28d

PageSpeed Ninja at a glance

PageSpeed Ninja is a WordPress plugin by PageSpeed with 5K+ active installs, the #3,188 most popular plugin on WordPress.org. On a typical day it’s downloaded about 35 times, 17% more than the month before. It’s rated 4.5 out of 5 from 114 reviews. Version 1.4.5 came out on Sep 26, 2024, more than 2 years ago. It is tested up to WordPress 6.6.11. It leads the 2 plugins tagged “defer css javascript”. It was first released in 2017.

Chart time range

Applies to every chart below. History from Oct 10, 2026, 31 days.

Showing the last 30 days. Full history comes with any paid plan.See plans

Downloads over time

Download stats

591 downloads · the last 30 days

Downloads over time
PageSpeed Ninja Compare series
Downloads over time: 18 days across 1 series.204060Oct 10Oct 13Oct 16Oct 19Oct 21Oct 24Oct 27
View as table
DatePageSpeed Ninja
Oct 27, 202645
Oct 26, 202637
Oct 25, 202644
Oct 24, 202625
Oct 23, 202649
Oct 22, 202663
Oct 21, 202642
Oct 20, 202635
Oct 19, 202635
Oct 18, 202623
Oct 17, 202623
Oct 16, 202627
Oct 15, 202621
Oct 14, 202626
Oct 13, 202634
Oct 12, 202620
Oct 11, 202620
Oct 10, 202622

Unusual spikes are usually updates, not new installs.

Estimated installs

≈ 5,186 · -0.7% in the last 30 days

Estimated installs
Estimated installs: 13 days across 1 series.5.2K5.2KOct 27Oct 29Oct 31Nov 2Nov 5Nov 7Nov 9Oct 29, 2026: Tested up to 6.6.11
View as table
DateEstimated installs
Nov 9, 20265,186
Nov 8, 20265,190
Nov 7, 20265,190
Nov 5, 20265,199
Nov 4, 20265,196
Nov 3, 20265,190
Nov 2, 20265,200
Nov 1, 20265,191
Oct 31, 20265,197
Oct 30, 20265,209
Oct 29, 20265,216
Oct 28, 20265,223
Oct 27, 20265,223

Rank over time

#3,188 · down 15 in the last 30 days

Popular rank
Popular rank: 15 days across 1 series.#3.2K#3.2KOct 16Oct 27Nov 1Nov 5Nov 9Oct 29, 2026: Tested up to 6.6.11
View as table
DateDaily snapshot
Nov 9, 2026#3,188
Nov 8, 2026#3,189
Nov 7, 2026#3,191
Nov 6, 2026#3,189
Nov 5, 2026#3,188
Nov 4, 2026#3,188
Nov 3, 2026#3,190
Nov 2, 2026#3,184
Nov 1, 2026#3,187
Oct 31, 2026#3,185
Oct 30, 2026#3,181
Oct 29, 2026#3,179
Oct 28, 2026#3,187
Oct 27, 2026#3,186
Oct 16, 2026#3,173

Growth %

Average -0.05% a day in the last 30 days

Growth %, day over day
Growth %, day over day: 12 days across 1 series.-0.2%0%0.2%Oct 28Oct 30Nov 1Nov 3Nov 5Nov 7Nov 9
View as table
DateGrowth
Nov 9, 2026-0.08%
Nov 8, 20260.00%
Nov 7, 2026-0.09%
Nov 5, 2026+0.06%
Nov 4, 2026+0.12%
Nov 3, 2026-0.19%
Nov 2, 2026+0.17%
Nov 1, 2026-0.12%
Oct 31, 2026-0.23%
Oct 30, 2026-0.13%
Oct 29, 2026-0.13%
Oct 28, 20260.00%

Active installs band

5K+ on WordPress.org

Active installs (rounded band)
Active installs (rounded band): 15 days across 1 series.4.8K5K5.2KOct 16Oct 27Nov 1Nov 5Nov 9Oct 29, 2026: Tested up to 6.6.11
View as table
DateDaily snapshot
Nov 9, 20265K+
Nov 8, 20265K+
Nov 7, 20265K+
Nov 6, 20265K+
Nov 5, 20265K+
Nov 4, 20265K+
Nov 3, 20265K+
Nov 2, 20265K+
Nov 1, 20265K+
Oct 31, 20265K+
Oct 30, 20265K+
Oct 29, 20265K+
Oct 28, 20265K+
Oct 27, 20265K+
Oct 16, 20265K+

Search rankings

Where it appears in WordPress.org search for the searches you track, checked every day.

See where PageSpeed Ninja ranks in search

Track this plugin to check its position for the searches you choose, daily, with an alert when it moves.

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Change log

From our daily snapshot of WordPress.org
  1. Rank #3187 → #3188
    • Tested up to 6.6.10 → 6.6.11

Versions in use

Share of active installs on each published version, from WordPress.org.

  • v1.452%
  • v0.944%
  • Other4.4%

Rating trend

4.5★★★★★114 reviews · steady in the last 30 days

Requirements & info

Version history
Version
1.4.5
Requires WordPress
4.6
Tested up to
6.6.11
Requires PHP
5.6
First released
Aug 30, 2017
Last updated
Sep 26, 2024
Releases, last 12 months
…

Questions about PageSpeed Ninja

How many websites use PageSpeed Ninja?

PageSpeed Ninja is active on 5K+ WordPress sites, as WordPress.org reports it. WordPress.org rounds the number down, so the real count is somewhat higher. That makes it the #3,188 most popular plugin on WordPress.org.

How many times has PageSpeed Ninja been downloaded?

710,956 times in total since 2017. On a typical day it’s downloaded about 35 times. See download stats

When was PageSpeed Ninja last updated?

Version 1.4.5 came out on Sep 26, 2024 (2 years ago). See every release

Is PageSpeed Ninja compatible with the latest WordPress?

PageSpeed Ninja’s readme says it’s tested up to WordPress 6.6.11, while the current version is 7.1. That doesn’t mean it breaks, but its author hasn’t confirmed it works with the latest releases.

Does PageSpeed Ninja have known security vulnerabilities?

No. WPVulnerability’s database lists no known vulnerabilities for PageSpeed Ninja. See its security record

Is PageSpeed Ninja still maintained?

Its last release was 2 years ago, so it may no longer be actively maintained. No support threads were opened in the last two months.

What rating does PageSpeed Ninja have?

4.5 out of 5 from 114 reviews on WordPress.org. 83% of them give 5 stars.

What are the best alternatives to PageSpeed Ninja?

The plugins most like PageSpeed Ninja, by the tags they share, are Image Optimizer (1M+), Hummingbird Performance (70K+) and LiteSpeed Cache (7M+). Compare all alternatives

Latest reviews

Analyze reviews
All reviews on WordPress.org

Review stats

4.5

★★★★★

114 reviews

  • 5 stars: 95 reviews, 83%
  • 4 stars: 5 reviews, 4%
  • 3 stars: 3 reviews, 3%
  • 2 stars: 0 reviews, 0%
  • 1 stars: 11 reviews, 10%
Positive
88%4–5★
Mixed
3%3★
Critical
10%1–2★
  • About 9 more 5★ reviews would lift it to 4.6.
  • Each new 1★ review takes 7 five-star reviews to balance out.

Compare with competitors

Add up to 1 competitor. No account needed.

Starter · 1 competitor
PageSpeed Ninja
Suggested:
Metric
PageSpeed Ninja
Estimated installs≈ 5,190
Reported installs5K+
Rating4.5
Reviews114
Total downloads711K
AuthorPageSpeed
First releasedAug 30, 2017
Version1.4.5
Requires WP4.6
Requires PHP5.6
Last updatedSep 26, 2024

Alternatives to PageSpeed Ninja

Compare all alternatives

Popular plugins with the same tags, the most in common first.

Side by side:PageSpeed Ninja vs Image OptimizerPageSpeed Ninja vs Hummingbird PerformancePageSpeed Ninja vs LiteSpeed Cache