devkamran

<p>SmartSite Optimizer is a powerful WordPress plugin that provides enterprise-level performance optimization and analytics features to help you deliver the fastest possible user experience.</p>
<h4>Key Features</h4>
<p><strong>Intelligent Asset Management</strong><br />
* Automatic CSS/JS deferral with intelligent dependency mapping<br />
* Critical CSS inlining for above-the-fold content<br />
* Image lazy loading with blur-up placeholder effects<br />
* Font display optimization with preloading support</p>
<p><strong>Advanced Caching System</strong><br />
* Page caching with smart invalidation rules<br />
* Database query optimization with result caching<br />
* Object cache support for Redis and Memcached<br />
* Browser caching headers with optimal expiry times</p>
<p><strong>Real-time Analytics Dashboard</strong><br />
* Core Web Vitals monitoring (LCP, FID, CLS, TTFB, FCP)<br />
* Performance score tracking with historical data<br />
* User behavior metrics without external dependencies<br />
* Custom event tracking API for developers</p>
<p><strong>Automated Optimization Features</strong><br />
* Image compression on upload with quality settings<br />
* WebP conversion for modern browsers<br />
* Code minification for HTML, CSS, and JavaScript<br />
* DNS prefetching for external domains<br />
* Resource preloading for critical assets</p>
<h4>Technical Highlights</h4>
<ul>
<li>Object-oriented PHP with proper namespace structure</li>
<li>WordPress coding standards compliant</li>
<li>Modular architecture with enable/disable controls</li>
<li>Comprehensive error handling and logging</li>
<li>WP-CLI commands for automation</li>
<li>Extensible hooks and filters API</li>
<li>Multisite compatible</li>
</ul>
<h3>Advanced Usage</h3>
<h4>WP-CLI Commands</h4>
<p>Clear all caches:<br />
    wp sso cache clear</p>
<p>Clear page cache only:<br />
    wp sso cache clear-pages</p>
<p>View cache statistics:<br />
    wp sso cache stats</p>
<p>Optimize all images:<br />
    wp sso optimize images</p>
<p>Optimize with limit:<br />
    wp sso optimize images –limit=50</p>
<p>Run all optimizations:<br />
    wp sso optimize all</p>
<h4>Custom Event Tracking</h4>
<p>Track custom events in your theme or plugin:</p>
<pre><code>if ( function_exists( 'sso' ) && sso()->analytics ) {
    sso()->analytics->track_event( 'button_click', array(
        'url' => get_permalink(),
        'value' => 1
    ) );
}
</code></pre>
<h4>Hooks and Filters</h4>
<p>Exclude URLs from asset optimization:</p>
<pre><code>add_filter( 'sso_exclude_asset_optimization', function( $exclude ) {
    if ( is_page( 'special-page' ) ) {
        return true;
    }
    return $exclude;
} );
</code></pre>
<p>Exclude scripts from deferral:</p>
<pre><code>add_filter( 'sso_defer_js_excluded', function( $excluded ) {
    $excluded[] = 'my-critical-script';
    return $excluded;
} );
</code></pre>
<p>Modify critical CSS:</p>
<pre><code>add_filter( 'sso_critical_css', function( $css, $page_type ) {
    // Add your custom critical CSS
    return $css . 'body { font-display: swap; }';
}, 10, 2 );
</code></pre>
<h3>Support</h3>
<p>For support, feature requests, or bug reports, please visit our support forum or contact us at support@devkamran.com</p>
<h3>Credits</h3>
<p>Developed by devkamran</p>


SmartSite Optimizer

A comprehensive all-in-one performance and user experience optimization solution for WordPress.

M Asif Rahman

WPDeveloper

Akash Mia

<p>Your visitors decide to stay or leave in under 3 seconds. <strong>xSpeed</strong> makes sure they stay.</p>
<p>Most caching plugins bury you in settings, charts, and upgrade popups. xSpeed does the opposite — install it, flip one switch, and your site loads faster. No bloat, no upsells nagging you, no PhD required.</p>
<p>Built by the team at <strong>WPDeveloper</strong> — trusted by over 7 million WordPress users worldwide.</p>
<h4>What Does xSpeed Do?</h4>
<p>xSpeed is a full-site performance plugin. It caches your pages, shrinks your code, compresses your files, and serves everything as fast as your server physically can — including an AI-powered audit that tells you exactly what’s slowing your site down.</p>
<p>The result: pages that load in milliseconds, not seconds. Better Google PageSpeed scores. Happier visitors. Better SEO rankings.</p>
<h4>The Speed Advantage No Other Free Plugin Offers</h4>
<p>When xSpeed caches a page, it doesn’t just save it — it serves it directly from the server, bypassing PHP entirely.</p>
<p>That means:</p>
<ul>
<li><strong>With xSpeed static cache:</strong> 5–15ms response time</li>
<li><strong>Without it (PHP-served cache):</strong> ~85ms response time</li>
</ul>
<p>That’s up to <strong>17× faster</strong> page delivery on cache hits. No other free caching plugin does this across Apache, nginx, and LiteSpeed automatically.</p>
<h4>Features at a Glance</h4>
<p><strong>Page Caching</strong></p>
<p>Your pages are saved as static HTML files and served instantly to visitors — before WordPress even loads. The cache rebuilds itself automatically whenever you publish a post, switch themes, or update a plugin. You never have to think about it.</p>
<ul>
<li>Static-file rewrite path (bypasses PHP entirely — 5–15ms TTFB)</li>
<li>Auto-purge on publish, update, comment, theme change</li>
<li>One-click cache purge from the admin bar</li>
<li>Exclude specific URLs (e.g. <code>/cart</code>, <code>/checkout</code>, <code>/my-account</code>)</li>
<li>Set your own cache expiry (1–720 hours)</li>
<li>Separate mobile cache for phone and tablet visitors</li>
<li>Per-post cache rules — custom expiry or disable caching for individual posts</li>
</ul>
<p><strong>Code Minification</strong></p>
<p>Strips all the unnecessary whitespace, comments, and characters from your HTML, CSS, and JavaScript without breaking anything.</p>
<ul>
<li>Minify HTML, CSS, and JavaScript</li>
<li>Combine CSS and JS files to reduce HTTP requests</li>
<li>Defer or delay JavaScript so it doesn’t block page rendering</li>
<li>Async CSS loading</li>
<li>Removes <code>?ver=</code> query strings from asset URLs</li>
<li>Safe-minify: automatically skips already-minified files and falls back if anything looks off</li>
</ul>
<p><strong>GZIP Compression</strong></p>
<p>Makes every file your server sends smaller — so browsers download them faster.</p>
<ul>
<li>Auto-configures GZIP on Apache and LiteSpeed</li>
<li>Shows a ready-to-paste config snippet for nginx and IIS</li>
<li>Detects if your server already has GZIP active — no double-configuration</li>
</ul>
<p><strong>Lazy Load</strong></p>
<p>Images, videos, and iframes load only when a visitor scrolls to them — not all at once on page load.</p>
<ul>
<li>Lazy load images, iframes, and videos</li>
<li>Automatic CLS (Cumulative Layout Shift) fix so your layout doesn’t jump</li>
</ul>
<p><strong>Fonts Optimization</strong></p>
<p>Web fonts are one of the most common causes of slow-loading pages.</p>
<ul>
<li>Adds <code>font-display: swap</code> so text is visible immediately while fonts load</li>
<li>Preloads above-the-fold font files for instant rendering</li>
<li>Removes the blank-text flash caused by slow Google Fonts responses</li>
</ul>
<p><strong>Browser Cache</strong></p>
<p>Tells browsers to remember your static files (images, CSS, JS) so returning visitors load your site even faster.</p>
<ul>
<li>Sets proper <code>Cache-Control</code> and <code>Expires</code> headers</li>
<li>Works automatically — no manual configuration needed</li>
</ul>
<p><strong>Cache Preloader</strong></p>
<p>Warms up your cache automatically so the very first visitor after a purge still gets a fast page.</p>
<ul>
<li>Sitemap-driven cache warmer</li>
<li>Auto-warms cache when you publish or update content</li>
</ul>
<p><strong>Object Cache (Redis / Memcached)</strong></p>
<p>Speed up database-heavy WordPress installs with server-side object caching.</p>
<ul>
<li>Connect Redis or Memcached in seconds</li>
<li>View status and flush cache from the dashboard</li>
</ul>
<p><strong>CDN Support</strong></p>
<p>Serve your static files from a CDN for faster global delivery.</p>
<ul>
<li>Pull-zone URL rewriting for any CDN provider</li>
<li>Built-in Cloudflare integration: connect your zone, auto-purge on publish, toggle dev mode</li>
</ul>
<p><strong>Database Optimization</strong></p>
<p>A bloated database slows down every page load. xSpeed keeps yours clean.</p>
<ul>
<li>Optimize database tables</li>
<li>Remove post revisions, spam, trash, transients, and orphaned meta</li>
<li>Schedule automatic cleanup so it runs on autopilot</li>
</ul>
<p><strong>Disable Bloat</strong></p>
<p>Turn off WordPress features you don’t use — each one is a request your server doesn’t have to make.</p>
<ul>
<li>Disable dashicons on the frontend</li>
<li>Remove oEmbed, RSS feeds, XML-RPC, jQuery Migrate, REST API authentication headers</li>
</ul>
<p><strong>AI-Powered Site Audit (Pro)</strong></p>
<p>xSpeed Pro scans your specific site and tells you exactly which performance features will help the most — with severity ratings and concrete reasons, not generic advice.</p>
<h4>Smart Enough to Stay Out of Trouble</h4>
<p>xSpeed handles the edge cases other plugins miss:</p>
<ul>
<li><strong>Multisite ready</strong> — each site in the network gets its own cache and settings.</li>
<li><strong>LiteSpeed server?</strong> — xSpeed detects LiteSpeed Cache’s server module and steps back to avoid conflicts.</li>
<li><strong>WooCommerce?</strong> — logged-in customers and checkout pages are never cached.</li>
<li><strong>WordPress Site Health</strong> — xSpeed adds its own health check under Tools <span aria-hidden="true" class="wp-exclude-emoji">→</span> Site Health so you always know your cache config is working correctly.</li>
<li><strong>Works on any server</strong> — Apache, nginx, LiteSpeed, IIS, and any standard PHP host.</li>
</ul>
<h4>Designed for Everyone</h4>
<p><strong>Non-technical users:</strong> A 3-step setup wizard walks you through first-time configuration in under 2 minutes. Settings auto-save — there’s no Save button to forget.</p>
<p><strong>Developers:</strong> REST API at <code>/wp-json/xspeed/v1/</code>, developer filters (<code>xspeed_skip_minify</code>, <code>xspeed_cache_skip_for_post</code>, <code>xspeed_cache_expiry_for_post</code>), <code>WP_DEBUG</code> awareness, and a React 18 + TypeScript admin UI under 80 KB gzipped.</p>
<p><strong>Agencies:</strong> Use the <code>xspeed_branding</code> filter to white-label the dashboard for clients.</p>
<h4>Completely Private</h4>
<p>xSpeed never collects personal data, stores IP addresses, uses tracking cookies, or contacts any third-party server. Every optimization runs locally on your server. The only external request it makes is a quick check to your own site’s home URL to confirm GZIP is active — and even that is rate-limited to once per hour. (See “External services” below.)</p>
<h4>Backed By a Team You Trust</h4>
<p>xSpeed is developed by the trusted team at WPDeveloper, a leading WordPress marketplace used and loved by millions of users.</p>
<h4>Loved xSpeed?</h4>
<p>If xSpeed makes your site faster, please leave a review on WordPress.org — it really helps!</p>
<h3>External services</h3>
<p>xSpeed contacts exactly one external endpoint, and only your own site:</p>
<h4>Self-hosted gzip probe</h4>
<ul>
<li><strong>What it does:</strong> Issues a single <code>GET</code> request to your site’s home URL (<code>home_url('/')</code>) with an <code>Accept-Encoding: gzip</code> header to detect whether your web server is already serving gzipped responses. The response body is discarded; only the <code>Content-Encoding</code> header is read.</li>
<li><strong>When it runs:</strong> On demand when the admin dashboard loads server status, throttled to once per hour via a transient (<code>xspeed_gzip_active</code>).</li>
<li><strong>Where the request goes:</strong> Your own site (<code>home_url()</code>). xSpeed does not contact any third-party server, analytics endpoint, license server, or telemetry collector.</li>
<li><strong>What is sent:</strong> No personal data, no site identifiers, no payload — just a standard HTTP <code>GET</code> from your server back to your server.</li>
</ul>
<h3>Third-party libraries</h3>
<p>This plugin bundles the following GPL-compatible third-party libraries:</p>
<h4>matthiasmullie/minify</h4>
<p>Used for CSS and JavaScript minification.</p>
<ul>
<li>Source: https://github.com/matthiasmullie/minify</li>
<li>License: MIT</li>
</ul>
<h4>matthiasmullie/path-converter</h4>
<p>Dependency of <code>matthiasmullie/minify</code>.</p>
<ul>
<li>Source: https://github.com/matthiasmullie/path-converter</li>
<li>License: MIT</li>
</ul>
<h4>React / React DOM / Scheduler</h4>
<p>Used for the xSpeed admin interface bundle.</p>
<ul>
<li>Source: https://github.com/facebook/react</li>
<li>License: MIT</li>
</ul>
<h4>lucide-react</h4>
<p>Used for admin interface icons.</p>
<ul>
<li>Source: https://github.com/lucide-icons/lucide</li>
<li>License: ISC</li>
</ul>


xSpeed – AI Cache & Performance Optimizer

Ultra-fast WordPress caching & performance plugin. Page cache, minify, GZIP, lazy load, fonts, object cache, CDN — one switch, no bloat, no upsells.

SmartSite Optimizer vs xSpeed – AI Cache & Performance Optimizer