Hasan CALISIR

NPP lets WordPress users manage Nginx Cache Purge and Preload (FastCGI, Proxy, SCGI, UWSGI) operations directly from the WordPress admin dashboard — actively warming the cache via site crawl, so your Nginx cache is always preloaded and ready.
➡️ Resources:
• Visit the <a href="https://github.com/psaux-it/nginx-fastcgi-cache-purge-and-preload" rel="nofollow ugc">NPP Main Development Repository</a> – Docs, issues & contributions and more. 
• Visit the <a href="https://github.com/psaux-it/nginx-fastcgi-cache-purge-and-preload/tree/main/safexec" rel="nofollow ugc">safexec Main Development Repository</a> – NPP’s privilege-dropping C wrapper. 
• Explore <a href="https://github.com/psaux-it/wordpress-nginx-cache-docker" rel="nofollow ugc">NPP Containerized</a> – Ready to run full stack Nginx Docker setup. 
• Refer to the plugin’s Help tab for additional guidance.
<h3>Features</h3>
🧹 Purge All Nginx Cache: Completely clear all cached data stored by Nginx.
🔄 Preload All Nginx Cache: Warm the Nginx cache with the most recent data for the entire website.
🎯 HTTP Purge (ngx_cache_purge): When the Nginx cache module is available, NPP uses it as the fastest purge path. Falls back gracefully to index and filesystem purge when the module is not present.
🚀 Auto Preload Nginx Cache: Automatically preloads the cache when Auto Purge is enabled for a POST/PAGE or after the Purge All action.
🧼 Auto Purge Nginx Cache: Purge cache on Post/Page content changes, comment status updates, theme/plugin updates, or when compatible Cache Plugins trigger a purge. Nginx cache is preloaded automatically if Auto Preload is enabled (for the entire site or individual page).
🔗 Purge Scope (Related Pages): Automatically purge related pages such as the Homepage, WooCommerce Shop page, and Category/Tag archives when a single URL is purged. Optionally preload those pages to keep the cache warm.
⏰ Schedule Nginx Cache Purge & Preload via WP Cron: Automate the purge and preload process using WordPress Cron jobs.
🧭 Proxy Support for Preload: Route preload requests through a proxy server for edge-case environments and containerized deployments.
⏱️ Live Preload Progress Monitoring: Watch the Nginx cache preload process in real time — complete with a dynamic progress bar, currently processed URL, 404 tracking, server load, and total completion time.
🌐 Remote Nginx Cache Purge & Preload via REST API: Remotely trigger cache purging and preloading through REST API endpoints.
⚙️ Manual Nginx Cache Purge & Preload: Allow manual purging and preloading of cache through the table view in the Advanced Tab.
📚 Nginx Cache Analyzer: Full HIT/MISS cache analyzer dashboard, from the last preload crawl with what is currently stored in the Nginx cache. Instantly spot uncached pages and Purge or Preload them directly in the Advanced Tab.
🔍 On-Page Nginx Cache Purge & Preload: Manually purge and preload Nginx cache for the currently visited page directly from the frontend.
🗝️ Custom Cache Key Support: Define a regex pattern to parse URLs based on your custom <code>_cache_key</code> format.
📊 Monitor Plugin and Nginx Cache Status: Monitor plugin status, cache status, and Nginx status from the Status tab.
📈 Cache Coverage Ratio: Live gauge in the WordPress dashboard widget showing the cache coverage ratio, based on the last preload snapshot. Refreshable on demand without a page reload.
☁️ Cloudflare APO Sync: Automatically mirrors NPP purge actions to Cloudflare APO to keep edge cache synchronized with your Nginx cache.
🔴 Redis Object Cache Sync: Bidirectional sync between NPP and Redis Object Cache. NPP Purge All flushes the Redis object cache, and a Redis flush triggers a full Nginx cache purge via NPP (when auto-purge is enabled).
🛒 WooCommerce Auto-Purge: Automatically purges Nginx cache when WooCommerce product stock quantity changes, stock status changes (in stock / out of stock / on backorder), or when an order is cancelled and stock is restored.
🔒 Concurrent Purge Serialization: Atomic lock mechanism prevents simultaneous purge operations from colliding, ensuring cache integrity during concurrent admin actions or background events.
🧩 Modular by Design: Easily integrate with external scripts and automation tools.
🖥️ User-Friendly Interface: Easy-to-use AJAX-powered settings, integrated into the WordPress admin bar and dashboard for quick access.
📋 Admin Notices and Logs: Receive notifications and view logs for plugin status and all cache-related actions within the WordPress admin area.
📧 Email Notifications: Receive email alerts upon completion of preload actions, with customizable templates to suit your needs.
<h3>Credits</h3>
This plugin is developed and maintained by Hasan CALISIR.
<h3>Privacy Policy</h3>
Prior to version 2.1.5, NPP optionally collected basic anonymous usage data when users explicitly opted in. As of version 2.1.5, all data collection and the opt-in mechanism have been completely removed. NPP collects no data whatsoever.
<h3>Support</h3>
For support and assistance, please contact Hasan CALISIR at hasan.calisir@psauxit.com.
<h3>License</h3>
This plugin is licensed under the GPLv2 or later.For more information, visit the plugin development page: <a href="https://github.com/psaux-it/nginx-fastcgi-cache-purge-and-preload" rel="nofollow ugc">Nginx Cache Purge Preload</a>

Nginx Cache Purge Preload

The most comprehensive solution for managing Nginx (FastCGI, Proxy, SCGI, UWSGI) cache operations directly from your WordPress dashboard.

Felix Mellitzer

tobiasfeistmantl

Purges cache once a week by default, running a WP Cron Job with Nginx Helper WordPress Plugin. 
The interval can be changed in the general settings in the WordPress backend.
<h3>Requirements</h3>
Nginx Helper https://wordpress.org/plugins/nginx-helper/

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