Holographic

<p>Holographic Extreme Cache gives WordPress sites the core performance features they need, without overwhelming setup or unnecessary complexity.</p>
<p>It adds a fast, professional caching layer with practical tools for improving real-world WordPress performance.</p>
<p>The plugin includes advanced page caching, intelligent cache clearing, WebP image conversion for new uploads where supported, WooCommerce-aware exclusions, preload support, HTML minification, WordPress emoji disabling, browser cache helper rules, homepage speed testing and cache diagnostics.</p>
<p>Built for real WordPress sites, it helps pages load faster while keeping setup clear and manageable. The free and Pro plugins both include a built-in help section, so site owners can understand the available settings and improve performance without guesswork.</p>
<h3>Features</h3>
<ul>
<li>Static HTML page caching.</li>
<li>Smart purge for posts, pages, archives, taxonomy archives, authors and homepage.</li>
<li>Automatic cache clearing when content changes.</li>
<li>Preload for homepage, recent posts and recent pages.</li>
<li>WooCommerce cart, checkout and account exclusions.</li>
<li>WebP conversion for newly uploaded JPEG and PNG images.</li>
<li>WebP fallback handling so original images remain available.</li>
<li>Homepage speed test for cache-off and cache-on comparison with expandable diagnostics.</li>
<li>Built-in cache health check.</li>
<li>Cache size and cached page count.</li>
<li>PHP fallback cache delivery.</li>
<li>advanced-cache.php drop-in support.</li>
<li>Apache rewrite helper rules.</li>
<li>Default exclusions for dynamic and personalised requests.</li>
<li>Logged-in user bypass by default, with an advanced option for specialist use cases.</li>
<li>POST, AJAX, REST, preview and unsafe query string bypass.</li>
<li>Cached HTML and inline CSS minification.</li>
<li>Browser cache helper.</li>
<li>Gzip and Brotli detection.</li>
<li>Disable WordPress emoji files option.</li>
<li>Combined cache and preload controls for simpler setup.</li>
<li>Manual clear cache button.</li>
<li>Admin bar cache clearing.</li>
<li>Cache lifetime control.</li>
<li>Last purge and last preload time.</li>
<li>Other caching plugin conflict detection.</li>
<li>Debug response headers.</li>
<li>Images tab showing server WebP support and image conversion settings.</li>
<li>Setup checklist to help site owners finish the main cache setup steps.</li>
<li>Setup tab with one-click WP_CACHE handling where wp-config.php is writable.</li>
<li>Safe and Balanced modes.</li>
<li>Optional uninstall cleanup.</li>
</ul>
<h3>Privacy</h3>
<p>Holographic Extreme Cache does not collect analytics, does not track visitors and does not send site data to a third-party service.</p>
<p>The plugin stores cache files, configuration helper files, generated WebP image files and optional log files inside the WordPress uploads directory. Logging is off by default.</p>
<h3>Uninstall</h3>
<p>The plugin can remove its settings, cache files, configuration files, log files and scheduled events on uninstall if the uninstall cleanup option is enabled before uninstalling.</p>
<p>If uninstall cleanup is not enabled, settings and generated files are left in place so the site owner can remove or inspect them manually.</p>
<p>Generated WebP image files are not automatically removed unless the plugin uninstall cleanup process specifically handles them. This helps avoid removing media files that may still be referenced by the site.</p>


Holographic Extreme Cache

Fast WordPress page caching, smart cache clearing, WebP conversion, WooCommerce-aware rules and built-in diagnostics.

Thomas Audunhus

erlendeide

Andrew Killen

Robert Sæther

Servebolt

<p>The Servebolt Optimizer plugin adds functionality to implement Servebolt’s best practices for WordPress. This includes database optimizations, errorlog review, automatic cache purging, automatic image optimization and resizing, performance recommendations, and support for down stream HTML caching.</p>
<p>Specifically, Servebolt Optimizer does two things for your site:</p>
<ol>
<li>It connects your <a href="https://servebo.lt/e3ke3" rel="nofollow ugc">WordPress hosted</a> or <a href="https://servebo.lt/724lz" rel="nofollow ugc">WooCommerce hosted</a> Servebolt site to your <a href="https://servebo.lt/pf3hu" rel="nofollow ugc">Servebolt Admin Panel</a>.</li>
<li>Its features implement Servebolt’s best practices for performance. These best practizes include database optimizations, error log review, automatic cache purging, automatic image optimization/resizing, performance recommendations and support for down stream HTML caching.</li>
</ol>
<p>This project is maintained on <a href="https://servebo.lt/sog" rel="nofollow ugc">Github</a>.</p>
<h3>Features</h3>
<ul>
<li>Configures HTML caching to speed up your site (<strong>Servebolt clients only</strong>)</li>
<li>Integrates with <a href="https://servebo.lt/4c9dw" rel="nofollow ugc">Accelerated Domains</a> (<strong>Servebolt clients only</strong>)</li>
<li>Rewrite headers to allow down stream HTML caching (<strong>Servebolt clients only</strong>)</li>
<li>View Apache/PHP error log (<strong>Servebolt clients only</strong>)</li>
<li>Database optimization – Convert tables to InnoDB</li>
<li>Database optimization – Add performance improving indexes</li>
<li>Automatic cache purge for Cloudflare and Accelerated Domains</li>
<li>Recommendations on additional performance improvements</li>
<li>Multi-site support</li>
<li>WP CLI support</li>
<li>Cloudflare Image Resize-support (beta feature)</li>
<li>WP Rocket compatability (<strong>Servebolt clients only</strong>)</li>
</ul>
<p>Read more about the plugin and all its features in our <a href="https://servebo.lt/servebolt-optimize-documentation" rel="nofollow ugc">Help Center</a>.</p>
<h3>Accelerated Domains</h3>
<p>The integration with our revolutionairy add-on performance and security enhancing service <a href="https://servebo.lt/4c9dw" rel="nofollow ugc">Accelerated Domains</a> is made possible by Servebolt Optimizer. Installing the Servebolt Optimizer will provide the required HTTP headers to make use of Accelerated Domains.</p>
<h3>Automatic purge of Cloudflare cache</h3>
<p>Servebolt Optimizer supports the most complete solution for Cloudflare cache purging. The HTML Cache is automatically purged when any post type or term has been updated. You can also purge directly from the admin bar. This Cloudflare integration supports both the use of API key and API token authentication when communicating with the Cloudflare API.</p>
<h3>HTML Caching</h3>
<p>This plugin rewrites HTTP headers of HTML to allow for HTML Caching, and for the browser to cache HTML. HTML Caching may introduce all sorts of problems for end users, so installation and testing should be performed by a professional.</p>
<h3>Configuration</h3>
<p>This plugin can be controlled via the WordPress Dashboard or WP CLI. Additionally there are various filters and PHP constants at your disposal.</p>
<h3>Filter and constant reference</h3>
<p>The plugin has various filters and PHP constants that allows third-party developers to alter the behaviour of the plugin. Please read the article <a href="https://servebo.lt/servebolt-optimizer-filters-and-php-constants" rel="nofollow ugc">Filters and PHP constants</a> in our help center to learn more.</p>
<h3>Testing</h3>
<p>We test against the current production version of WordPress and the next beta/development version</p>


Servebolt Optimizer

This plugin implements Servebolt's WordPress best practices, and connects your site to the Servebolt Admin Panel.

Holographic Extreme Cache vs Servebolt Optimizer