What is Varnish in Magento?
Varnish Cache is a web application accelerator, which is also known as a caching HTTP reverse proxy. Unlike web servers like Apache and Nginx, Varnish was designed for using it exclusively with the HTTP protocol. It is an HTTP accelerator designed for content-heavy dynamic websites, like your Magento 2 store.
What is Varnish cache used for?
The cache is often the most critical piece of software for a web-based business. Varnish Cache is a powerful, open source HTTP engine/reverse HTTP proxy that can speed up a website by up to 1000 percent by doing exactly what its name implies: caching (or storing) a copy of a webpage the first time a user visits.
Why is varnish used on wood?
By varnishing wood, you are essentially sealing the surface, so that dirt is less likely to accumulate. Applying a varnish also makes wood easier to clean.
How does Varnish cache work with Magento 2?
How does it work with Magento 2? Varnish Cache is a web application accelerator, which is also known as a caching HTTP reverse proxy. Unlike web servers like Apache and Nginx, Varnish was designed for using it exclusively with the HTTP protocol. It is an HTTP accelerator designed for content-heavy dynamic websites, like your Magento 2 store.
Why are fragments stored in memory in Magento?
Basically, Magento Varnish builds fragments files that are stored in memory. This helps Varnish eliminate the time and network bandwidth consumption for upcoming requests. While processing requests, HTTP manages all calls for CSS, HTML, JavaScript, and images.
What does varnish do for a web server?
Varnish is an HTTP reverse proxy that caches content in memory in front of a Web Server. It basically reduces the load on Apache and PHP as all the cacheable pages are managed by Varnish.
Where to find Magento page cache in chrome?
Access any cacheable Magento page in Chrome. Right-click anywhere on the page. In the inspector pane, click the Network tab. Refresh the page. Scroll to the top of the inspector pane so you can see the URL of the page you are viewing. Make sure the /var/page_cache directory is empty: