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Asset CleanUp: Page Speed Booster

by Gabe Livan · Performance

Speed up your WordPress site by unloading unnecessary CSS and JavaScript, reducing page bloat, and managing your own Critical CSS per page type.

Try it live opens a temporary test site in your browser, which can take about 20 seconds to load. Plugins that rely on outside services or a full server may not work completely there.

M WP Mayor reviewed this plugin Remove Unused CSS and JavaScript Files with WP Asset CleanUp Read review ↗

Health

A 89/100

no flags

Active installs

100K+

≈190K estimated

Momentum

-14%

downloads vs prior 30d

Biggest opportunity: Swap “minify css”, “minify javascript” and “unused css” for “assets”, “booster” and “clean”. “minify css” isn't earning its slot: it only gets you to #14. “assets” sits at #4 untagged, close enough for a declared tag to move it up. “minify javascript” isn't earning its slot: it only gets you to #13. “booster” sits at #9 untagged, close enough for a declared tag to move it up. “unused css” isn't earning its slot: it only gets you to #12. “clean” sits at #9 untagged, close enough for a declared tag to move it up. All five slots are taken, so one has to go.

How scoring works →
89 Health · A
Maintenance 100/100
Rating quality 98/100
Support 70/100
Security 75/100

89 health vs 69 average across 1,808 Performance plugins

Install conversion

How it's measured →

1.9%

of downloads still active

At least 100K of 5.1M lifetime downloads are still running, above its category: the median Performance plugin keeps 1.4%, across 1,104 plugins.

Downloads count every update, not just first installs, so older and more frequently released plugins read lower. Compare against other Performance plugins, not across the directory. wp.org reports active installs as the bottom of a band, so the real rate is this or higher.

This plugin shipped 3 releases in the last 12 months, and every existing install that updated counted as another download. wp.org publishes no split between first installs and updates, so we show the raw rate rather than guess at one.

Details

Version
1.4.0.6
Last updated
2mo ago
Added
2015-12-03 · 10 yrs old
Requires WP
4.7
Tested up to
7.1.4
Requires PHP
5.6

Directory ranking optimization

How it's scored →

How well this listing is tuned to rank in WordPress.org search, on the factors an owner controls. Not popularity, optimization.

100 / 100

Excellent listing optimization

Well tuned across the board

Update recency 100/100

Updated 46 days ago

WP compatibility 100/100

Tested up to WordPress 7.1.4, the current branch or newer

Rating quality 98/100

4.9★ over 1,564 reviews, smoothed to 4.88★

Listing tuning 100/100

5 of 5 tags set · short description in place

Daily downloads

Since 5 Oct 2022 · 1,488 days · wp.org + Plugin Pulse archive

-14% vs prior 30d
72231 Oct 2026

30-day downloads

Rolling 30-day volume · peak 214.8K · peaks are release surges

23.3K31 Oct 2026

Directory rank vs rivals

wp.org popularity rank over time · higher is better · when a rival's line climbs above yours, they've overtaken you

Asset CleanUp: Page · #444youSpeed Booster By Mel · #30321Hummingbird Performa · #599Better WordPress Min · #2556

Rating trend

Star average over time · dips mark rough releases

4.931 Oct 2026

Health trend

Composite health score, snapshotted daily

8931 Oct 2026

Update activity

How busy the existing users are, measured as downloads in the last 30 days for every 1,000 active sites. A spike means a new release everyone's pulling; a long, slow decline means an aging user base that updates less.

23331 Oct 2026

Release cadence

Occasionally updated
from wp.org release tags

How often this plugin actually ships. A steady rhythm is the maintenance signal a single "last updated" date can't show.

3

releases in the last 12 months

2mo ago

latest release · v1.4.0.6 · 16 Sep 2026

144

tagged releases on record

Recent releases

1.4.0.6 · 16 Sep 20261.4.0.5 · 22 Aug 20261.4.0.4 · 6 May 20261.4.0.3 · 12 Mar 20251.4.0.2 · 21 Feb 20251.4.0.1 · 8 Feb 20251.4 · 23 Dec 20241.3.9.9 · 2 Dec 20241.3.9.8 · 22 Nov 20241.3.9.7 · 31 Aug 20241.3.9.6 · 22 Aug 20241.3.9.5 · 19 Aug 20241.3.9.4 · 5 Aug 20241.3.9.3 · 1 Aug 2023

What its installed base runs

via wordpress.org

Share of active installs on each version of this plugin · 81% run the current release. Green is the current release; a big slice on older versions is a user base that has stopped updating.

v1.4 81%
v1.3 19%
v1.2 0.2%

Estimated active installs

The public count shows “100K+”. Our estimate pins where the real number sits.

tracked estimate
100K–200K ≈190K

Crossed into this band 5.9 years ago; a band this size takes about a year or more to cross, which places it about 90% of the way through.

Install history since 9 Sep 2021

100K31 Oct 2026

Recent reviews

All reviews on wp.org ↗
  1. ★★★★★ pablopro10
    5mo ago

    Very useful and it works perfectly. This topic was modified 1 month, 2 weeks ago by pablopro10.

    Read on wp.org ↗
  2. ★★★★★ Elmoonfire
    5mo ago

    Best plugin I’ve found for removing load bloat

    Read on wp.org ↗
  3. ★★★★★ Willem 2
    5mo ago

    It does where I was looking for.

    Read on wp.org ↗
  4. ★★★★★ Mary Bouldin
    6mo ago

    I’ve been working on my own site instead of client work lately, and I am highly unreasonable. I add too many complex codes and plugins, and have made a ridiculous game out of my website. The Divi 4 WordPress pages and items in the builder and the library all stopped saving after edits, and the only way I could go back to my preferred level of insanity was to shut down unnecessary stuff on pages across the site. <3

    Read on wp.org ↗
  5. ★★★★★ Anonymous
    6mo ago

    i have been using it for roughly 3 months now and it has helped with my performance tweak for my sites. plus the learning curve is simple if well you put in the time. Overall a good complementary plugin for Performance optimization

    Read on wp.org ↗
  6. ★★★★★ emmebar
    6mo ago

    Useful plugin and quite easy to use. I recommend it.

    Read on wp.org ↗
  7. ★★★★★ fert
    6mo ago

    While it does have lots of options and can be intimidating it is just that powerful. If you know what you are doing this plugin can really speed your website up considerably.

    Read on wp.org ↗
  8. ★★★★★ johnboyfred11
    7mo ago

    Excellent plugin for speed wish I knew enough to have a crack at Oxygen

    Read on wp.org ↗

Latest updates

via wp.org changelog

Recent releases and news for this plugin

  1. — Version 1.4.0.4 New: Resource Loading – Control how images are loaded by adding attributes such as “fetchpriority”, “loading” and “decoding” based on custom rules (supports simple matching and RegEx) / read more: https://www.assetcleanu 1.4.0.4
  2. — Version 1.4.0.3 Fix: “CSS & JS Manager” — “Manage CSS/JS” — “Custom Taxonomy” was not showing the guiding information Fix: When managing CSS/JS in the front-end view, plugin’s core JS file was not loading, causing some lack of functiona 1.4.0.3
  3. — Version 1.4.0.2 WPML compatibility (it works with other similar plugins as well): Make sure that whenever CSS/JS manager is used in the Dashboard, if the domain/subdomain is different (e.g. es.domain.com instead de.domain.com), the asse 1.4.0.2
  4. — Version 1.4.0.1 New Feature For The Admin: “Settings” — “Plugin Usage Preferences” — “Announcements” / The admin would be notified within the Dashboard (if he/she prefers) of critical updates, new features, usage tips, special offers / 1.4.0.1
  5. — Version 1.4 Fix – Error message: Uncaught TypeError: in_array(): Argument #2 ($haystack) must be of type array, string given in […]/templates/_admin-page-settings-plugin-areas/_plugin-usage-settings/_access.php:43 Fix – PHP Deprecat 1.4
  6. — Version 1.3.9.9 Fix: Server Side Request Forgery (SSRF) has been discovered on an AJAX call within the CSS/JS manager; New parameters were added to the call to avoid any unsanitized input 1.3.9.9

Security history

via Wordfence Intelligence

All 11 disclosed vulnerabilities are patched in the current version (1.4.0.6). Sites still on an older version should update.

  1. 2026-09-24 CVE-2026-12037 Server-Side Request Forgery Affects <= 1.4.0.5 Patched in 1.4.0.6
  2. 2026-09-18 CVE-2026-13354 Improper Neutralization of Input During Web Page Generation Affects <= 1.4.0.5 Patched in 1.4.0.6
  3. 2026-09-17 CVE-2026-66571 Cross-Site Request Forgery Affects <= 1.4.0.5 Patched in 1.4.0.6
  4. 2026-03-07 CVE-2026-45212 Missing Authorization Affects <= 1.4.0.3 Patched in 1.4.0.4
  5. 2024-11-27 CVE-2024-53738 Server-Side Request Forgery Affects <= 1.3.9.8 Patched in 1.3.9.9
  6. 2024-08-16 CVE-2024-43314 Missing Authorization Affects <= 1.3.9.3 Patched in 1.3.9.4
  7. 2023-07-18 CVE-2023-33999 Improper Neutralization of Input During Web Page Generation Affects <= 1.3.5.4 Patched in 1.3.5.5
  8. 2022-09-28 CVE-2021-36899 Improper Neutralization of Input During Web Page Generation Affects <= 1.3.8.4 Patched in 1.3.8.5
  9. 2022-01-03 CVE-2021-24983 Improper Neutralization of Input During Web Page Generation Affects < 1.3.8.5 Patched in 1.3.8.5
  10. 2022-01-03 CVE-2021-24937 Improper Neutralization of Input During Web Page Generation Affects <= 1.3.8.4 Patched in 1.3.8.5
  11. 2015-04-20 Improper Neutralization of Input During Web Page Generation Affects < 1.3.6.7 Patched in 1.3.6.7

Vulnerability records provided by Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. License and terms.

CVE records: Copyright 1999-2026 The MITRE Corporation. CVE terms of use.

Behavioral tests

via WP Hive

Automated install-time checks, tested on PHP 8.1.12 · WP 7.0.1

✓ Low memory footprint
✓ Low page-speed impact
✕ Runs on latest PHP + WP
✓ No PHP errors
✕ No JS errors
✓ Activates cleanly
✓ No resource errors
✓ No external HTTP errors
✓ Optimized database use
✓ Frequently updated

Languages

via translate.wordpress.org

Translated into 14 languages, 3 at 90% or more

Galician 100%
Lao 100%
Serbian 100%
Dutch 62%
Dutch (Formal) 19%
Russian 14%
Spanish (Spain) 8%
French (France) 7%
Spanish (Chile) 7%
Swedish 3%
German 2%
Italian 2%
Japanese 1%
Ukrainian 1%

AI assistants

How it's measured →

Whether ChatGPT and Claude name this plugin when asked the category question, and whether the readme gives them something to quote.

Not measured yet for this plugin’s topics. Its tracked searches are not among the measured topics. See the topics measured so far.

Readme readiness

6 of 8 pass · checked 25 Oct 2026

Can an assistant quote this readme? Eight deterministic checks over the wp.org listing, no model involved.

  • ✓ Says what it does "Speed up your WordPress site by unloading unnecessary CSS and JavaScript, reducing page bloat, and managing..."
  • ✓ Has a FAQ 9 questions in the FAQ.
  • ✓ FAQ asks real questions 9 of 9 read like questions a user would type.
  • ! Names who it is for Never says who the plugin is for or what they use it for.
  • ✓ Names what it works with Mentions Multisite.
  • ✓ Headings and lists 9 headings and 4 lists.
  • ✓ Enough to quote 5,882 characters of description.
  • ! Tags match the text Only 1 of 5 tags appear in the text ("minify css", "minify javascript", "Page Speed", "unused css" missing).

Growth timeline

Install-tier crossings we have observed, and how long each tier took to outgrow

  1. 2020-12-05 90K+ → 100K+ up after 95 days in tier
  2. 2020-09-01 80K+ → 90K+ up after 20 days in tier
  3. 2020-08-12 70K+ → 80K+ up after 119 days in tier
  4. 2020-04-15 60K+ → 70K+ up after 60 days in tier
  5. 2020-02-15 50K+ → 60K+ up after 57 days in tier
  6. 2019-12-20 40K+ → 50K+ up after 107 days in tier
  7. 2019-09-04 30K+ → 40K+ up after 93 days in tier
  8. 2019-06-03 20K+ → 30K+ up after 36 days in tier

Competes with

The plugins that solve the same job, ranked by shared tags then reach, closest match first. The letter on the right is each plugin's health grade (A best, F worst).

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Preview card ↗

Asset CleanUp: Page Speed Booster: 100K+ active installs, 4.9★ (1,564 reviews). Plugin Pulse (WP Mayor), as of 2026-11-01. https://plugins.wpmayor.com/plugin/wp-asset-clean-up

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