Holographic Extreme Cache vs Servebolt Optimizer

Holographic Extreme Cache is a simple, yet powerful, static page caching plugin with safe defaults. It includes static HTML page caching, smart cache clearing, safe WooCommerce exclusions, debug response headers, a basic preload system, a cache health check, safe HTML minification, WordPress emoji disabling, browser cache helper rules, new-upload WebP conversion where supported, a homepage speed test, cache diagnostics and an uninstall cleanup option. Caching is not enabled automatically on activation. Open Holo-Cache in the WordPress admin area and use the Setup tab or enable caching manually. Features Static HTML page caching. PHP fallback cache delivery. advanced-cache.php drop-in support. Optional Apache rewrite helper rules. Manual clear cache button. Admin bar cache clearing. Automatic cache clearing when content changes. Basic smart purge for posts, pages, archives, taxonomy archives, authors and homepage. Cache lifetime control. Basic preload for homepage, recent posts and recent pages. Combined cache and preload controls for simpler setup. Safe default exclusions. WooCommerce cart, checkout and account exclusions. Logged-in user bypass by default. POST, AJAX, REST, preview and unsafe query string bypass. Cache size and cached page count. Last purge and last preload time. Basic cache health check. Other caching plugin conflict detection. Debug response headers. Strong cached HTML and inline CSS minification. Disable WordPress emoji files option. Browser cache helper. New-upload WebP conversion for JPEG and PNG images where the server supports it. Safe picture/source markup for generated WebP files, with original images kept as fallbacks. Clear server requirement messaging when WebP conversion is unavailable. Gzip and Brotli detection. Setup tab with one-click WP_CACHE handling where wp-config.php is writable. Setup checklist for the main cache, speed test, preload, health and optional image steps. Simple homepage speed test for cache-off and cache-on comparison with expandable diagnostics. Safe and Balanced modes. Optional uninstall cleanup. Privacy Holographic Extreme Cache does not collect analytics, does not track visitors and does not send site data to a third-party service. The plugin stores cache files, configuration helper files and optional log files inside its own folder under the WordPress uploads directory. Logging is off by default. Uninstall 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. If uninstall cleanup is not enabled, settings and generated files are left in place so the site owner can remove or inspect them manually.

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. Specifically, Servebolt Optimizer does two things for your site: It connects your WordPress hosted or WooCommerce hosted Servebolt site to your Servebolt Admin Panel. 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. This project is maintained on Github. Features Configures HTML caching to speed up your site (Servebolt clients only) Integrates with Accelerated Domains (Servebolt clients only) Rewrite headers to allow down stream HTML caching (Servebolt clients only) View Apache/PHP error log (Servebolt clients only) Database optimization – Convert tables to InnoDB Database optimization – Add performance improving indexes Automatic cache purge for Cloudflare and Accelerated Domains Recommendations on additional performance improvements Multi-site support WP CLI support Cloudflare Image Resize-support (beta feature) WP Rocket compatability (Servebolt clients only) Read more about the plugin and all its features in our Help Center. Accelerated Domains The integration with our revolutionairy add-on performance and security enhancing service Accelerated Domains is made possible by Servebolt Optimizer. Installing the Servebolt Optimizer will provide the required HTTP headers to make use of Accelerated Domains. Automatic purge of Cloudflare cache 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. HTML Caching 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. Configuration This plugin can be controlled via the WordPress Dashboard or WP CLI. Additionally there are various filters and PHP constants at your disposal. Filter and constant reference The plugin has various filters and PHP constants that allows third-party developers to alter the behaviour of the plugin. Please read the article Filters and PHP constants in our help center to learn more. Testing We test against the current production version of WordPress and the next beta/development version