Magento 2 is a CMS (Content Management System), which is commonly known as performance intensive. Improving the speed and performance of your Magento 2 store allows the customers to have a better user experience while shopping at your E-commerce store. Thus, a fast-online store is more friendly with the visitors instead of a bad performance of the website.

Environment Optimization

The hosting site providers speed up your store based on the additional configuration of the server environment. There are some tips to optimize Magento 2 environment that are given below:

It needed to be run on dedicated servers because it uses a complex database.
Use a web application accelerator that can speed up your Magento 2 store by approximately 80%.
It merges JavaScript and CSS files, which reduces the load time since it is loading only one merged file.
Magento 2 web applications can be optimized by using cloud computing.
Always upgrade to the latest versions as it offers better performance.
Proper MySQL configuration is one of the important aspects in terms of performance.

Configuration Optimization

Magento has built-in tools that help to optimize its performance. These built-in tools must be properly configured and matched with the unique requirements of your site. The following are some tips to optimize Magento configuration.

To improve the Magento performance, do not run MySQL and web server on the same machine.
Identify and disable the unused modules of Magento.
Do not host those files on your web server, which you do not use.
Enable the Magento flat catalog. (Magento uses a resource-intensive and complex Entity Attribute Value (EAV) based catalog.) After the initial catalog establishment, enabling the flat catalog can dramatically speed up the database query time.
Optimization of session storage.

Code Optimization

Code affects the speed of your website. The testing tools help us to gain insights into the specific process.

Few tips are there for code optimization –

Remove unnecessary and unused processes.
Compress all site images to the optimal web image sizes.
Optimize the performance of Magento, by compressing and aggregating CSS and JavaScript files.
Identify the bottlenecks (a process that causes the entire process to slow down or stop.) both in frontend as well as backend.

Frontend Optimization

These modules are used to boost up the performance of Magento shopping experience. You can also reuse the modules. It speeds up the performance of the Magento frontend. The below points illustrate how to optimize Magento frontend performance –

Magento caching must be enabled as it helps to load your website faster and reduces the direct requests to the server for files.
Use a clean database to improve the performance of Magento. The database logs needed to be cleared regularly. The database stores the automatically created logs to keep track of record sessions and interaction.
Always use the latest version of PHP, so that you can perform frontend task much better and faster.

Magento Profiling and Database performance

Magento Profiler is a built-in internal Magento debugging tool, which is used for debugging. It plays a vital role in Magento development. We have various tools for debugging, such as – New Relic, Xdebug, etc. Using these tools, we can get useful information and check our website with their colorful graphical outputs. But these debuggers do not have much idea about the structure of your Magento application. Therefore, Magento has an internal debugger named as Profiler.

Profiler allows us to collect different information about controller, blocks, actions, events, templates, observers, etc. on various application execution stages. It also allows us to get a report of how long each part of a Magento store is being loaded. Magento Profiler reports the time taken by the block of code to execute, number of times the block of code was executed, and the memory used by it while rendering a Magento webpage. It specifies a block of code, which makes the loading of the page slow.

Why needs Magento Profiler?

Gradually, every system performance slows down after it is loaded with more content and extensions, and many logs are generated for it. You need to enable the profiler to know what is slowing down your Magento 2 performance. Magento Profiler identifies the performance problems on the server-side.

There are three types of profiler supported by Magento:

HTML – added to every footer of all the pages on the frontend.
CSV file – exported in magento/var/log folder.
Firebug

How to enable Magento Profiler?

To enable the Magento Profiler and perform debugging, follow the below steps –

Step 1: Add this line of code in .htaccess file present in Magento root directory magento/pub/.htaccess.

SetEnv MAGE_PROFILER <type>

e.g. SetEnv MAGE_PROFILER html

Precisely, the <type> ‘html’ is for HTML output, ‘csvfile’ is for CSV output or ‘firebug’ for Firebug output.

Step 2: Enable the developer mode using command:

php bin/magento dev:profiler:enable <type>

Or you can go for .htaccess file and un-comment the developer command by removing hashtag (#).

Step 3: At last, compile and refresh the cache.

Magento Database Performance

It is a very time-consuming process of Magento store – its interaction with the database. Optimizing Magento Database is an essential task to maintain the Magento site. Maintaining and cleaning the old Magento Cache and Log records can improve your Magento database performance.

Magento saves a lot of databases because of tracking. The e-commerce system must have a tracking module. It shows the information when something goes wrong with their order. Below are some points to improve the database performance –

Optimized database queries.
Unused data must have to be clean up regularly for better and fast performance.
Configure settings and limits of the database server (for example – memory setting, sort buffer optimization, and query cache, etc.

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