Zinn® CacheA Redis object cache is included, which WP Super Cache does not offer.
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A WP Super Cache alternative with an object cache
WP Super Cache writes static HTML files. Zinn® Cache adds a Redis object cache and purging by tag, and its Pro add-on adds warm-up and asset optimisation.
The short answer
WP Super Cache writes simple static pages and little else. Zinn® Cache adds a Redis object cache and smart purging in the same free plugin, so you need fewer plugins in total.
| Zinn® Cache | WP Super Cache | |
|---|---|---|
| Price | Free; Pro add-on from an annual licence | Free[1] |
| Free version | Yes | Yes[1] |
| Server needed for its page cache | Any server: LiteSpeed's cache or a file cache | Any server — static files served by PHP or mod_rewrite[1] |
| Object cache | Redis; Pro adds an APCu tier | Not included[1] |
| Optional third-party online services | None in the cache; Freemius for Pro's licence | Basic CDN URL rewriting[1] |
Sources
Why people choose Zinn® Cache over WP Super Cache
Tag-based purging clears just the pages a change touched, instead of whole folders of the cache.
On LiteSpeed servers it uses the server's own cache, which serves pages without starting PHP at all.
Where it is the better choice
WP Super Cache, from Automattic, is simple and works on nearly any host. If all you need is static page files on an Apache server, it does that with very little to configure.
Where Zinn® Cache fits
It does not include an object cache, tag-based purging or asset optimisation, so a site usually needs further plugins for those. Zinn® Cache covers the cache in one free plugin, and Pro covers the rest.
How to switch from WP Super Cache in three steps
Install Zinn® Cache, keep it switched off
Add the free plugin from your WordPress dashboard. Before you turn it on, note which pages WP Super Cache leaves uncached — cart, checkout, account pages — so you can check they stay uncached after the move.
Deactivate WP Super Cache, then turn Zinn® Cache on
Never run two page caches at once. Deactivate WP Super Cache first, then switch Zinn® Cache on. Shop and signed-in visitors are left out of the cache by default.
Check it is working
Open your site in a private window and reload: the status panel shows which page cache is in use, and the guide on checking your cache shows how to read the response headers. Then delete WP Super Cache for good.
Questions about switching from WP Super Cache
Can I run Zinn® Cache and WP Super Cache together?
Not as two page caches — two caches storing the same page fight each other and make problems hard to find. Deactivate WP Super Cache before you switch Zinn® Cache on.
Is Zinn® Cache really free?
Yes. The page cache, tag-based purging, the Redis object cache and shop-safe exclusions are free for good, with no licence key. Zinn® Cache Pro is an optional add-on from $49 a year, with a free trial and no card needed.
Will my site be faster than with WP Super Cache?
Any good page cache makes the biggest difference: on our own measured test a cached page started arriving in 40 ms instead of 107 ms. How Zinn® Cache compares with WP Super Cache on your site depends on your host and theme, so measure before and after — the benchmark page shows how.
More WordPress cache plugin comparisons
- A free WP Rocket alternative
- LiteSpeed Cache or Zinn® Cache?
- A W3 Total Cache alternative
- A NitroPack alternative that runs on your own server
- A WP Fastest Cache alternative
- A free FlyingPress alternative
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Included free with Zinn Digital® hosting
Get Zinn® Cache free on Zinn Digital® hosting
Every WordPress site on our own servers comes with Zinn® Cache installed and connected: the page cache is on, the Redis object cache is managed for you, and plugin updates arrive on their own. Zinn® Cache Pro is not included; add it to any site when you want it.