Sunny
Automatically purge Cloudflare cache, including cache everything rules.
Consider an alternative
Sunny shows warning signs in 2026 — compare the alternatives below before installing. It runs on 100+ sites, is rated 4.2/5 and was last updated 9 years ago, and scores 38/100 on our health check.
- Small user base (100+ active installs)
- No update in 8 years
- Only tested up to WordPress 4.9 (latest is 7.1)
How does it stack up?
Side-by-side on installs, updates, ratings & support
Daily downloads
Download spikes usually follow a new release — each site that auto-updates counts as a download.
Rankings
Where Sunny stands todayWordPress.org search rankings
Live position in the plugin search, top 100| Keyword | Position |
|---|---|
| cache | >100 |
| caching | >100 |
| cloudflare | >100 |
| rest-api | >100 |
| speed | >100 |
Version adoption
Share of active sites per release.
Rating breakdown
★★★★★★★★★★ 4.2 from 23 reviews
About Sunny
From the official readme · v2.5.0Description
Automatically purge Cloudflare cache, including cache everything rules.
Warning!!!
This plugin is not for normal users! Read the whole readme and FAQ before installing.
Cloudflare cache everything rules breaks most WordPress dynamic functionalities:
- WordPress Nonces will be cached
- Forms must be loaded via AJAX unless you’re using the USD$ 200 Cloudflare plan. Learn more
Sunny shows a few admin notices in WP admin dashboard promoting the author’s web development services every 2 weeks.They are dismissible via the X button on the right corner. See faq for more info.This is a free plugin, free as in free of charge and in freedom. You can always remove those notices without breaking other parts of Sunny.
The next major release of Sunny(v3.0.0) will require:
- PHP 7.1
- WordPress 4.9
- Properly working WP Cron
Features
- Automatically purge Cloudflare
cache everythingrules’ caches - Use the latest Cloudflare API v4
- Support custom post type
- Hide admin bar from public-facing pages
- WP REST API support
- Extendable Laravel-like container
Debuggers
Go Sunny –> Debuggers, it shows:
- All related urls to be purged for a given post
- Show targeted urls which always be purged
Cache Statusof a given URL
How does Sunny different from Cloudflare’s official plugin?
At the time of writing, Cloudflare’s official plugin doesn’t purge cache everything rules’ caches. Here comes Sunny! Sunny focus on purging caches when needed.
Compatibility
- Works with Cloudflare’s official plugin
- Works with WP Cloudflare Guard (Automatically create firewall rules to block dangerous IPs.)
Things You Need to Know
- You need PHP
7.0or later - You need WordPress
4.7or later - You need a Cloudflare account (free plan is okay)
- This plugin was not built by Cloudflare, Inc
If you like the plugin, feel free to rate it or donate. Thanks a lot! 🙂
Support
To save time so that we can spend it on development, please read the plugin’s FAQ first. Before requesting support, and ensure that you have updated Sunny and WordPress to the latest released version and installed PHP 7 or later.
You can get support via GitHub issues(preferred) and WordPress support forum.
If you don’t provide these information, your support ticket will be ignored:
- PHP version number (if you say
latest, your ticket will be closed without replies) - WordPress version number
- Sunny version number
- What is the current behavior
- What is the expected or desired behavior
- Step to reproduce current behavior
- Does it behave the same when Sunny is disabled
- Does it behave the same when only Sunny is enabled
- What have you tried to resolve the issue
For Developers
Sunny is open source and hosted on GitHub. Feel free to make pull requests.
You can also tweak Sunny to work for you by extending its Laravel-like container.
Changelog
Full change log available at GitHub
2.5.0
- Remove class
I18n - Update dependencies
- Update readme
2.4.1
- Add required php version to README.txt
- Apply code style patches and minor refactoring
- Test on PHP nightly
- Update dependencies
2.4.0
- Extract targets service provider
- Show post type name in purge initiated notices
2.3.0
- Expose Container via WordPress action in Laravel style
2.2.1
- Fix: Ensure admins have a chance to view PHP 5.x unsupported notice
- Fix: Do not force sticky notice when WP_DEBUG is true
2.2.0
- Purge adjacent posts urls
- Debugger: Check whether a url is cached by Cloudflare
- Add lots of tests
Screenshots
For developers
Is this your plugin? Show off the numbers.
Add a live badge to your site, docs or GitHub README. It updates on its own — no account needed.
Best Sunny alternatives
All cache plugins →
FAQ
Sunny: quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Oct 1, 2026
Is Sunny free?
Yes. Sunny is free to download and use from the official WordPress.org plugin directory.
Is Sunny safe to use in 2026?
Sunny shows warning signs in 2026 — compare the alternatives below before installing. It runs on 100+ sites, is rated 4.2/5 and was last updated 9 years ago, and scores 38/100 on our health check.
How many websites use Sunny?
Sunny is active on 100+ WordPress websites and has been downloaded 32,090 times since it launched in July 2014. It was downloaded 73 times in the last 30 days.
Does Sunny work with WordPress 7.1?
Sunny is officially tested up to WordPress 4.9.33, while the latest release is 7.1.2. It may still work, but try it on a staging site first.
What PHP version does Sunny need?
Sunny requires PHP 7.0.0 or higher. Most hosts run PHP 8.x today, so it works on any modern WordPress hosting.
When was Sunny last updated?
The latest version, 2.5.0, was released on January 8, 2018 (9 years ago).
Who makes Sunny?
Sunny is developed and maintained by Tang Rufus.
What are the best alternatives to Sunny?
The most popular alternatives to Sunny are WP Super Cache (1M+ installs), WP Fastest Cache (1M+ installs) and WP-Optimize (1M+ installs).
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