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Reverse Caching Proxy and its Role in Magento Performance Optimization

No doubt Magento is quite fast. However, whenever a Magento page is created & loaded, numerous instructions are executed and accordingly memory resources are consumed. In case the server is a quite busy one, page loading would become quite slow.

So, what’s the solution to this problem in Magento? In this blog post, we will explain details of reverse caching proxy and its role in countering this issue in Magento.

How does Caching Help?

Slow page loading issue can be addressed by caching. When pages are cached then whenever user requests some new page, that page is served from the cache. Different benefits of caching are summarized below –

● Cache saves product of previous page builds. Henceforth, when there is a request for that page, it’s possible to serve the cached version
● Caching enhances the speed at which pages are sent to users
● Caching reduces server load effectively

Magento users would be aware of the in-built caching technology Magento comes packed with. However, it’s often recommended to shift the caching overhead to some different dedicated application. Caching reverse proxy is a great option for external caching.

What Exactly Reverse Proxy Refers to?

Basically, proxy refers to a server standing between clients (a web browser usually) and other servers. It takes requests from clients and accordingly sends requests to other servers. Proxy can be considered a communication medium between client and different parts of a network. A specific sort of proxy, reverse proxy typically does following –

✓ Takes request from a client
✓ Passes request to the concerned server
✓ Sends data returned by the server to the client

In this case, servers refer to Magento servers while client is some web browser. As the reverse proxy stands between client and server, it has the capability to mediate data flow between them.

So, if there is some caching reverse proxy located between Magento installation and web browser, it can cache few pages created by Magento and send the same to the browser. Such caching reverse proxies are also called web accelerators.

Role of Reverse Proxy in Performance Optimization…

Reverse Proxy in Performance Optimization

Following points explain the significance of reverse proxy in Magento store performance optimization-

● A reverse caching proxy can enhance performance on product pages and various other static resources. This leads to more responsive shopping cart even when the store is under heavy load
● It can also decrease the heavy burden of generating these product pages. This leads to better availability of resources for different parts of the eCommerce process
● It optimizes (compresses) content to reduce page loading time

Varnish is a caching reverse proxy that can be used with Magento. However, this reverse proxy does not work always perfectly with Magento due to some integration constraints between the two. In order to counter this problem though, you can have a Magento Plugin created that allows better integration between Varnish and Magento.

We hope this blog fully explains the concept of reverse caching proxy and its application for optimizing Magento store performance.

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