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Performance Lab

Performance Lab

De WordPress Performance Team
Descarcă
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Descriere

The Performance Lab plugin is a collection of features focused on enhancing the performance of your site, most of which should eventually be merged into WordPress core. The plugin facilitates the discovery and activation of the individual performance feature plugins which the performance team is developing. In this way you can test the features to get their benefits before they become available in WordPress core. You can also play an important role by providing feedback to further improve the solutions.

The feature plugins which are currently featured by this plugin are:

These plugins can also be installed separately from installing Performance Lab, but having the Performance Lab plugin also active will ensure you find out about new performance features as they are developed.

Instalare

Installation from within WordPress

  1. Visit Plugins > Add New.
  2. Search for Performance Lab.
  3. Instalează și activează modulul Performance Lab.

Instalare manuală

  1. Upload the entire performance-lab folder to the /wp-content/plugins/ directory.
  2. Mergi la Module.
  3. Activează modulul Performance Lab.

După activare

  1. Visit the new Settings > Performance menu.
  2. Enable the individual features you would like to use.

Întrebări frecvente

Care este scopul acestui modul?

The primary purpose of the Performance Lab plugin is to allow testing of various performance features for which the goal is to eventually land in WordPress core. It is essentially a collection of „feature plugins”, which makes it different from other performance plugins that offer performance features which are not targeted at WordPress core and potentially rely on functionality that would not be feasible to use in WordPress core. The list of available features will regularly change: Existing features may be removed after they have been released in WordPress core, while new features may be added in any release.

Pot să folosesc acest modul pe site-ul meu de producție?

Per the primary purpose of the plugin (see above), it can mostly be considered a beta testing plugin for the various performance features it includes. However, it’s essential to understand that utilizing it comes with inherent risks. Users are encouraged to proceed with caution and understand that they are doing so at their own risk.

Unde pot să trimit impresiile despre modul?

Feedback is encouraged and much appreciated, especially since this plugin is a collection of future WordPress core features. If you have suggestions or requests for new features, you can submit them as an issue in the Performance Lab GitHub repository. If you need help with troubleshooting or have a question about the plugin, please create a new topic on our support forum.

Unde pot să raportez erorile la securitate?

The Performance team and WordPress community take security bugs seriously. We appreciate your efforts to responsibly disclose your findings, and will make every effort to acknowledge your contributions.

Pentru a raporta o problemă la securitate, te rog să mergi la programul WordPress HackerOne.

Cum pot să contribui la modul?

Contributions are always welcome! Learn more about how to get involved in the Core Performance Team Handbook.

Recenzii

great for testing, idk how great for production

11 martie 2026 4 răspunsuri
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!

Good performance improvements but needs polishing

15 februarie 2026
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.

Essential for modern WP sites! Now 100% translated into Persian

6 ianuarie 2026
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
Citește toate cele 51 de recenzii

Contributori și dezvoltatori

„Performance Lab” este un software open-source. La acest modul au contribuit următoarele persoane.

Contributori

„Performance Lab” a fost tradus în 27 de locale. Mulțumim traducătorilor pentru contribuția lor.

Tradu „Performance Lab” în limba ta.

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Istoric modificări

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 Timing – Allow description and make duration optional. (2379)

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 Lab. (2404)

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)
  • Use proper escape function. (2246)

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-Timing object-cache.php placement. (1996)
  • Use wp_is_rest_endpoint() to detect if we are handling a REST API request. (2094)

Bug Fixes

  • Fix TypeError in perflab_aao_query_autoloaded_options() by serializing non-scalar option values. (1934)
  • Omit admin pointer for new plugin if plugin is already active. (2143)
  • Prevent effective asset cache headers audit from running on local/development environments. (2035)
  • Use HTML Tag Processor to audit blocking scripts & styles in Site Health’s enqueued-assets test. (2059)

3.9.0

Enhancements

  • Remove experimental flags from Embed Optimizer and Image Prioritizer. (1846)

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 scripts using plugins_url() instead of plugin_dir_url(). (1761)

3.7.0

Enhancements

  • Add guidance for managing Performance feature plugins. (1734)
  • Automatically discover plugin dependencies when obtaining Performance feature plugins from WordPress.org. (1680)
  • Disregard transient cache in perflab_query_plugin_info() when a plugin is absent. (1694)
  • Minify script used for ajax activation of features; warn if absent and serve original file when SCRIPT_DEBUG is enabled. (1658)

Bug Fixes

  • Fix latest plugin version not being downloaded consistently. (1693)

3.6.1

Bug Fixes

  • Fix race condition bug where activating multiple features sequentially could fail to activate some features. (#1675)

3.6.0

Enhancements

  • Use AJAX for activating features / plugins in Performance Lab. (1646)
  • Introduce AVIF header health check. (1612)
  • Install and activate Optimization Detective when the Embed Optimizer feature is activated from the Performance screen. (1644)

Bug Fixes

  • Fix uses of ‘Plugin not found’ string. (1651)

3.5.1

Bug Fixes

  • Account for plugin dependencies when storing relevant plugin info. (1613)

3.5.0

Enhancements

  • Add Web Worker Offloading to list of Performance features. (1577)
  • Only store info for relevant standalone plugins in the transient cache. (1573)
  • Use a single WordPress.org API request to get information for all plugins. (1562)

3.4.1

Bug Fixes

  • Fix Incorrect use of _n(). (1491)

3.4.0

Enhancements

  • Remove Server-Timing metric for the autoloaded options query time. (1456)

Bug Fixes

  • Avoid sending Server-Timing header when buffer is being cleaned. (1443)
  • Fix disabled options from reappearing in Site Health after external update. (1374)
  • Improve Performance screen when external requests to WordPress.org fail. (1474)

3.3.1

Enhancements

  • Add PHPStan strict rules (except for empty.notAllowed). (1241)

Bug Fixes

  • Allow null to be passed into perflab_admin_pointer(). (1393)

3.3.0

Enhancements

  • Bump minimum WP versions and WP version tested up to. (1333)
  • Improve message for WebP site health test. (1249)
  • Remove ‘Requires at least’ and ‘Requires PHP’ from plugin readmes. (1334)
  • Upgrade PHPStan to 1.11.6. (1325)

Bug Fixes

  • Extend core’s Autoloaded Options Site Health test if present (in WP 6.6). (1298)
  • Fix unit tests for multisite. (1327)

3.2.0

Enhancements

  • Add install note after each PerfLab feature plugin in the plugin list table. (1265)
  • Update plugins with new banners and icons. (1272)

Bug Fixes

  • Fix Server-Timing compatibility with other plugins that do output buffering. (1260)
  • Harden autoloaded-options site health test for incorrectly implemented external object cache plugins. (1238)

3.1.0

Enhancements

  • Add progress indicator when activating a feature. (1190)
  • Display plugin settings links in the features screen and fix responsive layout for mobile. (1208)
  • Add plugin dependency support for activating performance features. (1184)
  • Add support for AVIF image format in site health. (1177)
  • Add server timing to REST API response. (1206)
  • Bump minimum PHP requirement to 7.2. (1130)
  • Refine logic in perflab_install_activate_plugin_callback() to rely only on validated slug. (1170)
  • Improve overall code quality with stricter static analysis checks. (775)

Bug Fixes

  • Avoid passing incomplete data to perflab_render_plugin_card() and show error when plugin directory API query fails. (1175)
  • Do not show admin pointer on the Performance screen and dismiss the pointer when visited. (1147)
  • Fix WordPress.DB.DirectDatabaseQuery.DirectQuery warning for Autoloaded Options Health Check. (1179)

3.0.0

Enhancements

  • Add caching to the wordpress.org query to get plugin information. (1022)
  • Add support for autoloading enhancements in WordPress 6.6 trunk to autoloaded options Site Health check. (1112)
  • Bump minimum required WordPress version to 6.4. (1062)
  • Enhance object-cache.php drop-in placement logic to support updating to a newer version of the file. (1047)
  • Implement support for annotating certain plugins as experimental. (1111)
  • Migrate Site Health checks from being modules to becoming part of the plugin core. (1042)
  • Remove modules infrastructure and UI from the plugin. (1060)
  • Support changing autoload value for largest autoloaded options in Site Health check. (1048)
  • Use plugin slug for generator tag. (1103)

Documentation

  • Update tested WordPress version to 6.5. (1027)

2.9.0

Features

  • Infrastructure: Add standalone plugin version constants for auto-sizes and speculation-rules. (958)

Enhancements

  • Infrastructure: Include standalone plugin slugs in generator tag. (949)

Bug Fixes

  • Infrastructure: Sanitize metric name for Server-Timing header. (957)

2.8.0

Features

  • Infrastructure: Introduce UI for managing Performance Lab standalone plugins. (864)

Enhancements

  • Infrastructure: Add support for plugin live preview in the plugin directory. (890)
  • Infrastructure: Allow module can-load.php callbacks to return a WP_Error with more information. (891)
  • Infrastructure: Implement admin pointer to indicate to the user they need to migrate modules to their standalone plugins. (910)
  • Infrastructure: Implement migration logic and UI from Performance Lab modules to their standalone plugins. (899)
  • Infrastructure: Reset admin pointer dismissal for module migration when the user activates a module. (915)

Bug Fixes

  • Infrastructure: Fix construction of translation strings in admin/plugins.php. (925)

2.7.0

Enhancements

  • Images: Remove Fetchpriority module as the functionality is now available in WordPress core. (854)
  • Infrastructure: Bump minimum required PHP version to 7.0 and minimum required WP version to 6.3. (851)

Documentation

  • Infrastructure: Publish Image Placeholders standalone plugin. (842)

2.6.1