LiteSpeed Cache vs Speed Auditor

LiteSpeed Cache for WordPress (LSCWP) is an all-in-one site acceleration plugin, featuring an exclusive server-level cache and a collection of optimization features. LSCWP supports WordPress Multisite and is compatible with most popular plugins, including WooCommerce, bbPress, and Yoast SEO. LiteSpeed Cache for WordPress is compatible with ClassicPress. Requirements General Features may be used by anyone with any web server (LiteSpeed, Apache, NGINX, etc.). LiteSpeed Exclusive Features require one of the following: OpenLiteSpeed, commercial LiteSpeed products, LiteSpeed-powered hosting, or QUIC.cloud CDN. Why? Plugin Features General Features Free QUIC.cloud CDN Cache Object Cache (Memcached/LSMCD/Redis) Support+ Image Optimization (Lossless/Lossy) Minify CSS, JavaScript, and HTML Minify inline & external CSS/JS Combine CSS/JS Automatically generate Critical CSS Lazy-load images/iframes Responsive Image Placeholders Multiple CDN Support+ Load CSS Asynchronously Defer/delay JS loading Browser Cache Support+ Database Cleaner and Optimizer PageSpeed score (including Core Web Vitals) optimization OPcode Cache Support+ HTTP/2 Push for CSS/JS (on web servers that support it) DNS Prefetch Cloudflare API Single Site and Multisite (Network) support Import/Export settings Attractive, easy-to-understand interface AVIF/WebP image format support Heartbeat control + This service is not provided by the LSCache plugin, nor is it guaranteed to be installed by your service provider. However, the plugin is compatible with the service if it is in use on your site. LiteSpeed Exclusive Features Automatic page caching to greatly improve site performance Automatic purge of related pages based on certain events Private cache for logged-in users Caching of WordPress REST API calls Separate caching of desktop and mobile views Ability to schedule purge for specified URLs WooCommerce and bbPress support WordPress CLI commands API system for easy cache integration Exclude from cache by URI, Category, Tag, Cookie, User Agent Smart preload crawler with support for SEO-friendly sitemap Multiple crawlers for cache varies HTTP/2 support HTTP/3 & QUIC support ESI (Edge Side Includes) support* Widgets and Shortcodes as ESI blocks* (requires Classic Widgets plugin for WP 5.8+) * Feature not available in OpenLiteSpeed LSCWP Resources Join our Slack community to connect with other LiteSpeed users. Ask a question on our support forum. View detailed documentation. Read about LSCWP and WordPress on our blog. Help translate LSCWP. Contribute to the LSCWP GitHub repo. Third Party Compatibility The vast majority of plugins and themes are compatible with LSCache. Our API is available for those that are not. Use the API to customize smart purging, customize cache rules, create cache varies, and make WP nonce cacheable, among other things. Privacy This plugin includes some suggested text that you can add to your site’s Privacy Policy via the Guide in the WordPress Privacy settings. For your own information: LiteSpeed Cache for WordPress potentially stores a duplicate copy of every web page on display on your site. The pages are stored locally on the system where LiteSpeed server software is installed and are not transferred to or accessed by LiteSpeed employees in any way, except as necessary in providing routine technical support if you request it. All cache files are temporary, and may easily be purged before their natural expiration, if necessary, via a Purge All command. It is up to individual site administrators to come up with their own cache expiration rules. In addition to caching, our WordPress plugin has online features provided by QUIC.cloud for Image Optimization and Page Optimization services. When one of these optimizations is requested, data is transmitted to a remote QUIC.cloud server, processed, and then transmitted back for use on your site. QUIC.cloud keeps copies of that data for up to 7 days and then permanently deletes it. Similarly, the WordPress plugin has a Reporting feature whereby a site owner can transmit an environment report to LiteSpeed so that we may better provide technical support. None of these features collects any visitor data. Only server and site data are involved. QUIC.cloud CDN, if enabled, uses LSCache technology to access your site, and serve your content from remote global nodes. Your data is not accessed by QUIC.cloud employees in any way, except as necessary in providing maintenance or technical support. Please see the QUIC.cloud Privacy Policy for our complete Privacy/GDPR statement.

Speed Auditor helps WordPress site owners identify performance bottlenecks in real-time while browsing their site. It generates a downloadable technical report that pinpoints critical elements for Core Web Vitals and structural efficiency. Speed Auditor now includes a powerful Visual CLS Highlighter. Stop guessing which elements are causing layout shifts; activate the real-time radar from your Admin Bar to see problematic elements highlighted with red boxes as you browse. Main Features: * Visual CLS Radar: Activate a real-time toggle to draw red boxes around elements causing layout shifts. Perfect for catching unstable ads, images, or jumping text. * **Visual Performance Signal: Real-time color-coded icons (Green/Yellow/Red) in the Admin Bar based on LCP optimization status. * Technical Knowledge Base: New guide under Tools > Speed Auditor to help users understand metrics like DOM depth, LCP, and Media Latency. * **Technical Glossary: A new built-in guide explaining HTML tags like , , and specifically in the context of CLS and performance. * Accurate LCP Identification: Detects the Largest Contentful Paint element and validates its optimization. * Structural DOM Audit: Breakdown of nodes by zones (Header, Content, Footer) and maximum nesting depth analysis. * Media Latency Monitor: Identifies the slowest loading images on the page by measuring real-time transfer duration. * Dynamic Reporting: Generates a .txt report with a smart filename including the page slug and date for easy tracking. * Privacy Focused: Works entirely in the browser using the Performance API. No data is saved to the database. * Translation Ready: Fully compatible with WordPress internationalization (i18n) standards. Update Notice 1.2.0 Maintenance update ensuring full compatibility with WordPress 7.1. 1.1.10 This update ensures full compatibility with WordPress 7.0 and fixes security escaping notices found by the official Plugin Check tool. 1.1.9 Major Update. New visual tool! You can now highlight elements causing layout shifts (CLS) directly on your site from the Speed Auditor menu. Visualize your Layout Shifts! This version adds a real-time radar to catch elements that hurt your CLS score. Essential for sites using AdSense or dynamic content. 1.1.8 This version improves the technical report with actionable tips to help you move from an Orange/Red icon to a Green one by optimizing your LCP elements. 1.1.7 This update ensures audit accuracy by disabling reports and color alerts within the WordPress admin area. 1.1.6 This version introduces a new Technical Guide under Tools > Speed Auditor to help you understand your reports. 1.1.5 This version adds a real-time visual traffic light system to your Admin Bar.