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Which is the best caching technique for Magento 2?
One of the most popular caching techniques in Magento 2 is Varnish. Varnish serves as a full page cache mechanism to reduce workloads to the Magento 2 server. Hence, performance is improved. Varnish Cache is an open-source web application accelerator (HTTP proxy).
What happens when I flush the Magento cache?
If you flush the Magento cache, the Varnish cache also gets purged automatically. Purging works parallel to Magento Cache. So if you’ll Flush Magento Cache, it will automatically purge Varnish Cache too.
Is there a full page cache warmer for Magento 2?
You can implement the Full Page Cache Warmer for Magento 2. The module allows for speeding up your online store due to timely cache warming whenever needed. Also, you can exclude separate pages from warming and enable the auto-update cache after changes.
What does a reverse proxy do in Magento?
The Magento page cache library contains a simple PHP reverse proxy that enables full page caching out of the box. A reverse proxy acts as an intermediary between visitors and your application and can reduce the load on your server.
Where are the cache folders in Magento 2?
Since FPC is configured to serve the content from Varnish, once cleared, cache folders (var/cache, var/page_cache) should always be empty. Load your Magento 2 Frontend and check the response from the browser console, you will see similar as shown in the below screenshot: You are done.
Do you need to install varnish on Magento 2?
Magento itself highly recommends Varnish for its users. To run Varnish on Magento 2, you need to install Varnish and deploy Varnish configuration file (VCL file) to Varnish implementation in your system. Magento 2 supports Varnish 4 and Varnish 5.
What do you need to know about Varnish cache?
Varnish Cache is an open-source web application accelerator (HTTP proxy). Varnish stores data in memory. This enables Varnish to reduce response time and network bandwidth consumption on futures. Unlike web servers like Apache and Nginx, Varnish was designed for use exclusively with the HTTP protocol.