Nginx Cache
Plugin Review
AI-ResearchedWhat is Nginx Cache?
Nginx Cache is a focused utility plugin that purges the Nginx FastCGI, Proxy, and uWSGI caches directly from your WordPress dashboard. Developed by Till Krüss, this plugin has been available for 12 years and currently holds 10K+ active installs. It carries a 4.6/5 rating from 23 reviews, with 83% of those being 9% one-star. The current version is 1.0.8, last updated on May 4, 2026.
The plugin solves a specific problem for sites running Nginx as their web server. When you publish or edit content, WordPress normally regenerates pages, but Nginx may still serve a stale cached version. Nginx Cache bridges that gap by automatically purging the relevant cache files. It is not a caching engine itself—it works alongside your existing Nginx configuration to keep your site fresh.
Key Features of Nginx Cache
- Automatic Cache Purge on Content Changes – The plugin flushes the Nginx cache whenever you publish, update, or delete posts, pages, comments, or other content types.
- Manual Purge Controls – You can clear the entire Nginx cache with a single click from the WordPress admin bar or the Tools menu.
- Multiple Cache Protocol Support – Works with FastCGI, Proxy, and uWSGI cache zones, covering most common Nginx caching setups.
- Custom Cache Zone Path Configuration – Enter your specific Nginx cache directory under Tools > Nginx, giving you control over which cache folder gets purged.
- Lightweight Codebase – With only essential functions, the plugin adds minimal overhead to your WordPress installation.
- Long-Term Stability – At 12 years old with version 1.0.8, this plugin prioritizes reliability over feature bloat.
- Filesystem API Integration – Uses WordPress’s native Filesystem API to delete cache files, ensuring compatibility with standard WordPress hosting environments.
Who Should Use Nginx Cache?
This plugin is built for site owners who already run Nginx with a caching layer enabled. You need some technical comfort—specifically, your Nginx and PHP must run under the same user, or PHP’s user needs write access to the Nginx cache path. The plugin also requires the WordPress Filesystem API to function without asking for credentials. If you manage a VPS, a dedicated server, or a cloud instance where you control the Nginx configuration, Nginx Cache gives you direct purge control.
The ideal user is a developer or sysadmin running a high-traffic WordPress site that relies on Nginx FastCGI caching. For example, a site with 10K+ active installations often uses this plugin to avoid stale content after editorial updates. If you run a WooCommerce store or a news site where cache freshness matters, this tool automates the otherwise manual process of clearing Nginx cache files. Beginners who cannot adjust server permissions should look for a simpler caching solution.
Installation & Setup
Install and activate the plugin like any standard WordPress plugin. Then go to Tools > Nginx and enter your Cache Zone Path. The setup is straightforward for anyone who knows their Nginx cache directory. The plugin requires WordPress 3.1 or higher, which covers virtually all modern installations.
Support & Community
The support data reveals a mixed picture. Over the last 2 months, the plugin has 2 open support threads with 0 resolved, giving a 0% resolution rate. This is a red flag for users who need help with configuration issues or server-specific problems. The 9% one-star rating often correlates with setup difficulties or server permission conflicts that go unanswered.
Despite the support gaps, the 83% five-star rating shows that for users who get it working, the plugin performs exactly as advertised. The plugin’s age—12 years—means the core functionality is mature and rarely introduces new bugs. If you are comfortable troubleshooting server-side cache paths independently, the low support resolution rate may not be a dealbreaker. For less technical users, this lack of support makes it a risky choice.
Pros & Cons
- With 10K+ active installs and a 4.6 rating from 23 ratings, it is a trusted solution for Nginx cache management.
- 83% of its 23 ratings are 5-star, indicating high user satisfaction for its core purge functionality.
- It automatically purges Nginx FastCGI, Proxy, and uWSGI caches when WordPress content changes, reducing stale cache issues.
- The plugin provides a manual purge button within the WordPress admin, giving administrators direct control over cache clearing.
- It requires the Filesystem API to work without credentials, which can be complex to configure on many hosting setups.
- Nginx and PHP must run under the same user (or PHP must have write access to the Nginx cache path), limiting compatibility with shared or managed hosts.
- With only 2 total support threads and a 0% resolution rate, users may face unresolved technical issues.
Technical Details
- Requires WordPress
- 3.1+
- Tested up to WP
- 7.0.1
- First Released
- 2014 (12+ years)
- Support (last 2 months)
- 2 threads — 0% resolved
Feature Tags
Frequently Asked Questions
Yes, Nginx Cache is completely free and available on WordPress.org. It has 10K+ active installs and is rated 4.6/5.
Nginx Cache has 10K+ active installs according to WordPress.org. It also holds a rating of 4.6/5 from 23 ratings.
Nginx Cache requires WordPress version 3.1 or higher. This makes it compatible with virtually all modern WordPress installations.
Yes, the plugin was last updated on May 4, 2026 and is currently at version 1.0.8. It was first released in 2014, showing long-term maintenance by author Till Krüss.
The plugin facts do not specify a minimum PHP version requirement. However, it requires WordPress 3.1+, which typically runs on PHP 5.2 or later.
Support is limited, with only 2 total threads in the last 2 months and a 0% resolution rate. Despite this, the plugin maintains a strong 4.6/5 rating from 23 users.
It requires technical setup: the Filesystem API must work without credentials, and PHP's user needs write access to Nginx's cache path. Most beginners will need server admin assistance to configure it properly.
It automatically purges Nginx caches (FastCGI, Proxy, uWSGI) when content changes in WordPress. You can also manually purge the cache from within your WordPress admin dashboard.