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Performance Lab

by WordPress Performance Team · Performance

Also makes 9 other plugins · 550K+ installs across the portfolio →

Performance plugin from the WordPress Performance Team, which is a collection of standalone performance features.

How scoring works →
86 Health · A
Maintenance 100/100
Rating quality 81/100
Support 70/100

86 health vs 67 average across 1,076 Performance plugins

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.

96 / 100

Excellent listing optimization

Well tuned across the board

Update recency 100/100
WP compatibility 100/100
Rating quality 84/100
Listing tuning 100/100

Daily downloads

Since 2022-10-05 · 1,421 days · wp.org + Plugin Pulse archive

-73% vs prior 30d
896Downloads · Aug 26

30-day downloads

Rolling 30-day volume · peaks are release surges

30.6K

now · peak 212.2K

31.1K30d downloads · Aug 26

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

Performance Lab · #294 you AMP · #150 Optimization Detecti · #657 Image Prioritizer · #797

Rating trend

Star average over time · dips mark rough releases

4.3Stars · Aug 26

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.

311per 1k installs · Aug 26

Release cadence

Actively maintained
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.

4

releases in the last 12 months

2mo ago

latest release · v4.2.0

43

tagged releases on record

Recent releases

4.2.0 · 2mo ago4.1.0 · 6mo ago4.0.1 · 8mo ago4.0.0 · 9mo ago3.9.0 · 1.4y ago3.8.0 · 1.6y ago3.7.0 · 1.7y ago3.6.1 · 1.8y ago3.6.0 · 1.8y ago3.5.1 · 1.8y ago3.5.0 · 1.8y ago3.4.1 · 1.9y ago3.4.0 · 2.0y ago3.3.1 · 2.1y ago

What its installed base runs

via wordpress.org

Share of active installs on each version of this plugin · 40% run the current release. Green is the current release; a big slice on older versions is a user base that has stopped updating.

v4.2 40%
v4.1 24%
v4.0 13%
v3.9 9.2%
Older / other versions 14%

Estimated active installs

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

tracked estimate
100K–200K ≈140K

Refined from the date this plugin crossed into its current band.

Install history · since 2022-04-01 · 1,428 observations

100KInstalls · Aug 26

Estimated value

What this plugin might earn a year, and what it might sell for. Modeled from public signals; we don't see anyone's books.

Est. annual revenue

N/A

Est. acquisition value

N/A

No paid tier is visible, so we don't put a figure on revenue or sale value: that would be guessing. The install base is a real asset to an acquirer, just not one public data lets us price. A declining trend compresses what a buyer would pay.

Details

Version
4.2.0
Last updated
2mo ago
Added
2022-03-07 · 4 yrs old
Requires WP
6.9
Tested up to
7.0.4
Requires PHP
7.4

Recent reviews

All reviews on wp.org ↗
  1. dev2webtheoria
    2mo ago

    This plugin is a must have on the live website. The performance improvement is very much noticeable.

    Read on wp.org ↗
  2. Eduard Doloc
    6mo ago

    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 optimization detective. let’s hope they make it to core fast!

    Read on wp.org ↗
  3. hunain8
    6mo ago

    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 enable or disable specific options. However, the interface and documentation could be improved for better clarity, especially for non-technical users. Overall, it’s a solid plugin with potential, but still needs refinement for a smoother production workflow.

    Read on wp.org ↗
  4. Afshari
    8mo ago

    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 reviewed 100% of the strings for the entire Performance Lab ecosystem, including all standalone plugins (WebP Uploads, Speculation Rules, View Transitions, etc.) and their respective Readme files. As the PTE (Translation Editor), I’ve ensured that complex technical terms are translated accurately to help the Persian WordPress community implement these performance enhancements with ease. Kudos to the performance team for these high-quality tools! Best regards, @saeidafshari دوستان و توسعه‌دهندگان گرامی، مجموعه افزونه‌های رسمی تیم کارایی وردپرس، شامل ۱۲ ابزار تخصصی برای افزایش سرعت و بهینه‌سازی سایت، به صورت ۱۰۰٪ فارسی‌سازی و بازبینی شد. تمام مفاهیم مدرن مثل قوانین پیش‌بینی مرورگر و بهینه‌سازی تصاویر به دقت معادل‌سازی شده‌اند تا بتوانید بدون ابهام فنی، از آخرین تکنولوژی‌های جهانی در سایت‌های ایرانی استفاده کنید. با احترام، سعید افشاری

    Read on wp.org ↗
  5. sharuznau
    8mo ago

    great app thx

    Read on wp.org ↗
  6. akehsanz
    9mo ago

    Where’s lthe dev team🫵🏼 Plugin UI could have been improved..

    Read on wp.org ↗
  7. surviving404
    12mo ago

    I would love to use this plugin on production site(s)

    Read on wp.org ↗
  8. JustCasey76
    1.2y ago

    I am hosting on Pressable and using WP Rocket and a Divi child theme. This took my PageSpeed Insights from a 65 to a 91!

    Read on wp.org ↗

Latest updates

via wp.org changelog

Recent releases and news for this plugin

  1. Version 4.2.0 Enhancements Add declare( strict_types = 1 ) to all PHP files. ( 2424 ) Bump minimum PHP requirement from 7.2 to 7.4. ( 2469 ) Enqueued Assets audit: treat zero-size and no-store responses as errors. ( 2481 ) Server Timi 4.2.0
  2. Version 4.1.0 Bug Fixes Fix invalid Server-Timing logic for database query timing when $wpdb->queries is null due to no query having been done yet. ( 2346 ) Documentation Remove Web Worker Offloading from being featured by Performance 4.1.0
  3. Version 4.0.1 Bug Fixes Add notices and improved type checking for $wpdb->queries when attempting to compute server-timing for database queries. ( 2159 ) Skip stylesheets with empty href attributes in Site Health audit. ( 2281 , 2328 4.0.1
  4. Version 4.0.0 Enhancements Add Instant Back/Forward to list of performance feature plugins. ( 2119 ) Add admin pointers to promote new Performance Lab features. ( 2122 ) Implement opt-in PERFLAB_PLACE_OBJECT_CACHE_DROPIN for Server-Ti 4.0.0
  5. Version 3.9.0 Enhancements Remove experimental flags from Embed Optimizer and Image Prioritizer. ( 1846 ) 3.9.0
  6. Version 3.8.0 Enhancements Add Site Health test for Cache-Control: no-store page response header which disables bfcache. ( 1807 ) Add Site Health test to verify that static assets are served with far-future expires. ( 1727 ) Enqueue s 3.8.0

Known vulnerabilities

via Wordfence Intelligence

1 disclosed vulnerability on record for this plugin, fixed in the current version. Sites on older versions stay exposed until they update.

  1. 2023-05-18 CVE-2022-47174 Cross-Site Request Forgery (CSRF) Affects <= 2.2.0 Patched in 2.3.0

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 42 languages, 13 at 90% or more

Chinese (Taiwan) 100%
Dutch 100%
Dutch (Formal) 100%
English (UK) 100%
Persian 100%
Polish 100%
Spanish (Chile) 100%
Spanish (Spain) 100%
Turkish 100%
Dutch (Belgium) 98%
Korean 98%
Portuguese (Brazil) 98%
Hindi 93%
Russian 85%
Gujarati 68%
French (France) 67%
German 65%
German (Formal) 65%
Swedish 63%
Bengali 55%
Italian 53%
Vietnamese 51%
Ukrainian 49%
Slovak 40%

Plus 18 more locales with partial translations.

Growth timeline

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

  1. 2026-05-27 200K+ → 100K+ down after 426 days in tier
  2. 2025-03-27 100K+ → 200K+ up after 603 days in tier
  3. 2023-08-02 90K+ → 100K+ up after 32 days in tier
  4. 2023-07-01 80K+ → 90K+ up after 31 days in tier
  5. 2023-05-31 70K+ → 80K+ up after 28 days in tier
  6. 2023-05-03 60K+ → 70K+ up after 29 days in tier
  7. 2023-04-04 50K+ → 60K+ up after 29 days in tier
  8. 2023-03-06 40K+ → 50K+ up after 50 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).

Compare head to head →

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Preview card ↗

Performance Lab: 100K+ active installs, 4.3★ (51 reviews). Plugin Pulse (WP Mayor), as of 2026-08-25. https://plugins.wpmayor.com/plugin/performance-lab