APC Object Cache Backend vs Security Headers & Caching

APC Object Cache provides a persistent memory-based backend for the WordPress object cache. APC must be available on your PHP install. An object cache is a place for WordPress and WordPress extensions to store the results of complex operations. On subsequent loads, this data can be fetched from the cache, which will be must faster than dynamically generating it on every page load. The APC Object Cache backend is also compatible with Batcache, the powerful full page caching engine that runs on WordPress.com Be sure to read the installation instructions, as this is not a traditional plugin, and needs to be installed in a specific location.

Security Headers & Caching is a comprehensive WordPress plugin that helps protect your website by implementing essential HTTP security headers and optimizing performance through intelligent caching mechanisms. Compatible with all hosting providers including Aruba, SiteGround, Bluehost, and more. Key Features Easy Configuration – Simple admin interface to enable/disable security headers Multiple Security Headers – Comprehensive security header support Smart Caching – Configurable cache duration for better performance Universal Compatibility – Works with all hosting providers No Conflicts – Compatible with popular security and caching plugins Translation Ready – Full internationalization support Security Headers Included X-Powered-By – Removes server technology information to prevent targeted attacks Content-Security-Policy (CSP) – Controls which resources can be loaded to prevent XSS attacks Strict-Transport-Security (HSTS) – Forces HTTPS connections for enhanced security X-XSS-Protection – Enables XSS filtering in older browsers X-Frame-Options – Prevents clickjacking attacks by controlling iframe embedding X-Content-Type-Options – Prevents MIME type sniffing Referrer-Policy – Controls how much referrer information is shared Permissions-Policy – Controls browser features and APIs Caching Features Configurable cache duration (seconds) Automatic cache headers management Compatible with CDN services No conflict with existing cache plugins Why Security Headers Matter Security headers are HTTP response headers that tell your browser how to behave when handling your website’s content. They help protect against: Cross-Site Scripting (XSS) attacks Clickjacking attempts Code injection attacks MIME type sniffing Protocol downgrade attacks And much more… Developer Friendly The plugin provides filters for developers to customize headers: shc_security_headers – Filter to modify security headers array Test Your Security After installing and configuring the plugin, test your site’s security at: * Security Headers * Mozilla Observatory Privacy This plugin does not collect, store, or transmit any user data. It only modifies HTTP response headers sent by your server. Developer Documentation Filters shc_security_headers Modify the security headers before they are sent. add_filter( 'shc_security_headers', function( $headers ) { // Add custom header $headers['X-Custom-Header'] = 'custom-value'; // Modify existing header $headers['X-Frame-Options'] = 'DENY'; return $headers; } ); Constants SHC_VERSION – Plugin version number SHC_PLUGIN_DIR – Plugin directory path SHC_PLUGIN_URL – Plugin directory URL SHC_PLUGIN_BASENAME – Plugin basename Support For support, feature requests, or bug reports, please visit: * Plugin Website Credits Developed by Studio Be4 – Web Design & Development Agency License This plugin is licensed under the GPLv2 or later.