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EmiCache is the fastest free WordPress cache plugin built for Elementor, WooCommerce, and modern page-builder sites — engineered from the ground up to maximize PageSpeed Insights scores, Google Core Web Vitals (Largest Contentful Paint, Interaction to Next Paint, Cumulative Layout Shift), Lighthouse audits, and GTmetrix grades right out of the box. One lightweight plugin replaces the typical stack of separate page caching, lazy load, image optimization, critical CSS, JavaScript defer, minify, and CDN plugins, so your plugins folder stays clean and your front-end stays fast.
EmiCache runs cleanly on LiteSpeed Web Server, OpenLiteSpeed, Nginx, and Apache with full feature parity across every stack. It auto-detects server capabilities like Brotli compression, AVIF image support, OPcache, Redis, and Memcached, then enables the matching modules automatically — there is nothing to tune by hand, no provider-specific quirks, and no premium upsell wall. Whether your site lives on Cloudways, Hostinger, SiteGround, Kinsta, WP Engine, a shared cPanel host, or a self-managed Docker / Nginx / PHP-FPM VPS, EmiCache adapts to the environment and picks the optimal cache backend, compression layer, and asset delivery path for that stack.
<h4>Built for Elementor and WooCommerce</h4>
Elementor and WooCommerce sites are consistently among the slowest WordPress installs in the wild — they stack heavy CSS bundles, jQuery dependencies, builder-generated dynamic styles, scroll-triggered animations, and cart-fragment AJAX that cripple Largest Contentful Paint and Interaction to Next Paint scores. EmiCache ships with builder-aware defaults so the first page load is lighter, faster, and layout-stable from the moment you activate the plugin. Elementor widget animations, slider scripts, and dynamic Elementor CSS stay intact while non-critical plugin stylesheets are deferred via the <code>media="print" onload</code> swap pattern, hero images get <code>fetchpriority="high"</code> preload hints, and entry animations are optionally disabled so scrolling and navigation feel instant on mobile. WooCommerce cart, checkout, my-account, and add-to-cart pages are auto-excluded from the cache, the heavy <code>wc-cart-fragments</code> AJAX call can be limited to actual cart pages, and WooCommerce-only CSS and JS are dequeued from blog posts and landing pages where they would otherwise bloat every request. Compatibility is also tested and tuned for Divi, WoodMart, Avada, Astra, GeneratePress, Kadence, Blocksy, OceanWP, Hello Elementor, WPBakery / Visual Composer, Slider Revolution, AOS, Element Pack, and Animate.css.
<h4>Why EmiCache</h4>
<ul>
<li>Fastest free cache for Elementor and WooCommerce — outperforms popular free alternatives on real PageSpeed Insights, Lighthouse, and GTmetrix benchmarks</li>
<li>Works on LiteSpeed, Nginx, and Apache — full feature parity across every stack, with LiteSpeed Cache (LSCache) coexistence support so you can keep server-level caching while EmiCache handles minification, lazy loading, WebP, critical CSS, and CDN delivery</li>
<li>All-in-one performance suite — full-page cache, HTML / CSS / JS minify and combine, lazy loading, WebP and AVIF conversion, critical CSS, CDN integration, database cleanup, and persistent object cache in one plugin</li>
<li>Lightweight frontend — vanilla JavaScript runtime under 3 KB, zero external services, no telemetry, no premium upsell walls, no account required</li>
<li>Server-aware — auto-detects AVIF, Brotli, OPcache, Redis, and Memcached and enables the matching modules automatically</li>
<li>Standards-compliant — GPL-2.0, sanitized inputs, escaped outputs, nonce-verified AJAX, no <code>eval()</code>, no obfuscated code, no encrypted PHP</li>
<li>PHP 7.4 → 8.3 and WordPress 5.4 → 7.0 tested across thousands of real sites</li>
</ul>
<h4>Server Compatibility</h4>
EmiCache is genuinely server-agnostic — page caching, minification, lazy loading, image optimization, and CDN integration work identically on every supported stack. On LiteSpeed Web Server and OpenLiteSpeed the plugin coexists with LSCache so you can keep server-level caching enabled while EmiCache handles HTML, CSS, JS, and image optimization layers without conflict. On Nginx it pre-compresses cached pages to <code>.html.gz</code> and <code>.html.br</code> so a single <code>try_files</code> rule serves Brotli or GZIP responses with zero runtime CPU cost, and the Compression module ships ready-to-paste Nginx snippets for static asset delivery. On Apache and LiteSpeed the bundled <code>.htaccess</code> rules handle GZIP via <code>mod_deflate</code>, Brotli via <code>mod_brotli</code>, browser cache headers, ETag and 304 Not Modified responses, and direct-file protection out of the box. Whether your host is a shared cPanel plan, a managed WordPress platform like Cloudways, Hostinger, SiteGround, Kinsta, or WP Engine, or a self-managed VPS with Docker and PHP-FPM, EmiCache adapts to the environment without manual <code>.htaccess</code> edits or <code>wp-config.php</code> constants beyond the standard <code>WP_CACHE</code> define that the plugin sets for you on activation.
<h4>Core Web Vitals Optimization</h4>
Every EmiCache module is built around the three Core Web Vitals metrics that Google uses for search ranking — Largest Contentful Paint (LCP), Interaction to Next Paint (INP), and Cumulative Layout Shift (CLS) — plus the supporting metrics like Time to First Byte, First Contentful Paint, and Total Blocking Time that PageSpeed Insights and Lighthouse report. LCP is improved through automatic hero image preload with <code>fetchpriority="high"</code>, critical CSS inlining per page type, render-blocking stylesheet elimination, font preloading with <code>font-display: swap</code>, and HTML pre-generation so the server returns a static <code>.html</code> file before WordPress even boots. INP is improved through JS Delay (which holds non-essential scripts like Google Tag Manager, Facebook Pixel, Hotjar, and Microsoft Clarity until the first user interaction), JS Defer for everything else, a lightweight jQuery shim that queues inline jQuery calls until the library loads, and Heartbeat API throttling that keeps <code>admin-ajax.php</code> quiet on idle tabs. CLS is prevented through SVG placeholders sized to match each lazy-loaded image, automatic width and height attribute injection on unsized images, and font-display tuning with size-adjust fallbacks. The result is a real, measurable PageSpeed score lift on real-world Elementor and WooCommerce sites — typically a +20 to +40 point gain on mobile when starting from a stock theme plus page builder install, and a stable green Core Web Vitals report in Google Search Console after the next 28-day data window.
<h4>Performance Modules</h4>
Full Page Cache. Static HTML files served before WordPress loads. GZIP and Brotli pre-compression, ETag headers, 304 Not Modified support, mobile-separate cache, stampede protection, and sitemap-based preload.
HTML, CSS, and JS Minification. Removes whitespace and comments from output. Preserves content inside <code>pre</code>, <code>code</code>, <code>textarea</code>, <code>script</code>, and <code>style</code> tags. Combine option for stylesheets and scripts.
Smart CSS Defer. Eliminates render-blocking plugin stylesheets via the <code>media="print" onload</code> swap pattern. Theme stylesheets and builder dynamic CSS stay render-blocking so the first paint is layout-stable.
JS Defer + JS Delay. Defer attribute injection for non-critical scripts, delay-until-interaction for tracking and widget code (Google Tag Manager, Facebook Pixel, Hotjar, Clarity, and 24 more).
Lazy Loading. Images, iframes, videos, and CSS background images load only when they enter the viewport. YouTube and Vimeo facade placeholders replace the heavy default iframe with a lightweight preview. SVG placeholders prevent CLS on unknown-dimension images.
Image Optimization. Automatic WebP and AVIF conversion using GD, Imagick, or command-line tools (cwebp, avifenc) — whichever is available. Adaptive responsive sizing generates variants at 7 breakpoints with proper <code>srcset</code> / <code>sizes</code>. Original files are never modified.
LCP Image Preload. Auto-detects the largest above-the-fold image and injects a <code><link rel="preload" as="image" fetchpriority="high"></code> hint into <code><head></code> so the LCP candidate downloads in parallel with HTML.
Disable Entry Animations. Skips scroll-triggered fade-in / slide-up entry animations from Elementor, AOS, Element Pack, WoodMart, and Animate.css. Interactive transitions (sliders, dropdowns, modals) stay active.
Smart Prefetch. Browser-native speculation rules in prefetch mode warm assets for likely navigations without re-firing entry animations.
Critical CSS. Inline above-the-fold CSS per page type. Non-critical stylesheets deferred with <code>preload</code>/<code>onload</code> plus loadCSS polyfill.
CDN Integration. URL rewriting for any CDN. Built-in CloudFlare API (purge URL, purge all, dual auth) and Bunny CDN API. Automatic cache purge on content changes.
Object Cache. File-based persistent object cache drop-in (<code>object-cache.php</code>) with multisite global groups, gzip compression, and file locking. Auto-detects Redis and Memcached and recommends them when available.
Compression. GZIP via <code>mod_deflate</code> and Brotli via <code>mod_brotli</code> (Apache / LiteSpeed). PHP-level Brotli pre-compression for static assets on Nginx.
WordPress Tweaks. Heartbeat API control, emoji script removal (~50 KB saved), oEmbed disable, query string removal from static assets, post revision limiter, WooCommerce-specific optimizations.
<h4>Privacy</h4>
EmiCache runs entirely on your own server. It does not phone home, does not load remote scripts, does not track users, and does not collect telemetry. The only outbound HTTP requests are the optional CDN API calls described in the “External services” section below, made only when you explicitly configure them.
<h3>External services</h3>
EmiCache is fully self-hosted. The plugin does not contact any external service unless you opt in by entering credentials for one of the optional CDN integrations below. No data is sent without your configuration.
Cloudflare API
Used to purge cached files from your Cloudflare zone when content changes or when you click “Purge All Cache”.
<ul>
<li>What is sent: Your Cloudflare API token, zone ID, and the list of URLs to purge.</li>
<li>When it is sent: Only after you enter Cloudflare credentials in EmiCache → CDN settings and either save content (auto-purge) or trigger a manual purge.</li>
<li>Endpoint: https://api.cloudflare.com/client/v4/</li>
<li>Terms of service: https://www.cloudflare.com/website-terms/</li>
<li>Privacy policy: https://www.cloudflare.com/privacypolicy/</li>
</ul>
Bunny CDN API
Used to purge cached files from your Bunny CDN pull zone when content changes or when you click “Purge All Cache”.
<ul>
<li>What is sent: Your Bunny CDN API key and the list of URLs to purge.</li>
<li>When it is sent: Only after you enter Bunny credentials in EmiCache → CDN settings and either save content (auto-purge) or trigger a manual purge.</li>
<li>Endpoint: https://api.bunny.net/</li>
<li>Terms of service: https://bunny.net/tos/</li>
<li>Privacy policy: https://bunny.net/privacy/</li>
</ul>
Third-party script delay (no data sent)
For PageSpeed reasons, EmiCache can defer the loading of well-known third-party scripts (Google Tag Manager, Facebook Pixel, Hotjar, Microsoft Clarity, Tawk.to, and similar) until the user interacts with the page. EmiCache only matches hostnames in the page HTML to decide whether to add a delay attribute. It does not contact, send data to, or load anything from these third parties — that responsibility stays with the existing third-party scripts your site already runs.

EmiCache – Faster Elementor, Better PageSpeed

Fastest cache for Elementor & WooCommerce. Works on LiteSpeed, Nginx, Apache. WebP, lazy load, critical CSS, CDN, Core Web Vitals boost.

Sabrina Zeidan

Track Core Web Vitals for the entire website and for individual URLs. 
Mobile and Desktop. 
Every day. 
Automatically. 
For free.
<iframe loading="lazy" class="youtube-player" width="750" height="422" src="https://www.youtube.com/embed/5Rq3qvySKtI?version=3&rel=1&showsearch=0&showinfo=1&iv_load_policy=1&fs=1&hl=en-US&autohide=2&wmode=transparent" allowfullscreen="true" style="border:0;" sandbox="allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox"></iframe>
No need to guess whether your website performance needs your attention or not – you will get the definite answer in your WordPress Dashboard in a few minutes.
<h3>With SpeedGuard you get:</h3>
<ul>
<li>Core Web Vitals (LCP, CLS, INP) testing for individual URLs of your website</li>
<li>PageSpeed Insights (LCP, CLS) for the cases if your website doesn’t have Core Web Vitals yet</li>
<li>automatic everyday monitoring</li>
<li>both desktop and mobile testing</li>
<li>links to the Google PageSpeed Insights reports (that include CWV on top as well) which you can pass to the performance engineer to improve your site speed</li>
<li>tests are completely automated — you don’t need to do anything</li>
<li>easy to use — just pick pages of your website that you would like to monitor</li>
<li>It’s free 🙂</li>
</ul>
<h3>Test performance of any content in WordPress :</h3>
<ul>
<li>Posts</li>
<li>Pages</li>
<li>Events</li>
<li>WooCommerce Products</li>
<li>any other Custom Post Type</li>
<li>Archives</li>
<li>Categories</li>
<li>Tags</li>
<li>any other Custom Taxonomy</li>
</ul>
<h4>Idea Behind</h4>
There is no need to say that performance IS very important. 
What’s also important — is to understand whether you have to worry about your website performance or it’s doing fine.
Google Core Web Vitals are the metrics that Google uses to measure the user experience on the web (real user experience!).
If your website passes CWV assessment for Origin — it means that your website is fast enough for the majority of users. 
If it doesn’t pass — it means that you have to fix this. 
If it does pass but quite a few specific URLs are not passing — it’s a good time to look into those URLs and improve them to prevent the entrire webstie to be marked as failing CWV.
I wanted a simple easy-to-use tool to warn me in case my clients’ websites performance has a bad tendency and needs my attention.
I wanted a native WordPress solution, with all information available from the dashboard, simple but still informative, a guard who will do the monitoring every day and ping me, in case something goes wrong.
I have not found one and that’s why I’ve built this plugin.
I’ll be happy to know that you find it useful as well — please, leave a review.
P.S. Note about PageSpeed Insights: you SHOULD always use CWV data in case it is available for your website. In case it is not available (when the website is new and/or doesn’t have enough traffic yet) — use PageSpeed Insights. But you have to remember, that PSI — are lab tests, it’s just an emulation of real users experience. It’s better than nothing, of course. 
Watch my talk here if you want to understand <a href="https://www.youtube.com/watch?v=-80yP6sY0Cg" rel="nofollow ugc">Core Web Vitals Mystery</a> better.

Site Speed Test – SpeedGuard

Great plugin!

This is a handy little plugin that you can "set and forget", but will give you peace of mind knowing that your site is being tested regularly and you'll be notified if there are any performance issues. 

Works exactly as advertised and does exactly what I need!

Simplistic peace of mind!

Tracks Core Web Vitals for you. Every single day, for free.

EmiCache – Faster Elementor, Better PageSpeed vs Site Speed Test – SpeedGuard