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Statamic SWR Static Cache

Addon by Dan Pegg

Statamic SWR Static Cache Main Screenshot

Statamic SWR Static Cache

Allows you to add stale while revalidate functionality to the application static cache driver.

Requirements

This add-on currently requires you to use Redis as a cache driver.

Additionally, you'll need to process queue items with a separate worker - if you're using the sync driver, this add-on won't have any effect.

Installation

From a standard Statamic V3 site, you can run:

composer require daynnnnn/statamic-swr-cache

Then you'll just need to add the stale while revalidate strategy to your static cache config:


'strategies' => [ ... 'swr' => [ 'driver' => 'swr', 'expiry' => '60', 'stale' => '5', ], ],

How it works

In the above example, cached pages will stay in the cache for 60 minutes (expiry), but if the cached page is accessed when the cache is over 5 minutes old (stale), a background job will run to update the cache, but the currently cached page will still be served.

Other than this, the cache will stay the same as the application cache.