Quick Summary:

Ruby on Rails is a highly used framework with 7.04% worldwide for web application development. However, every framework used for development requires optimization to get better performance. Therefore, in this blog post, we will discover the need for optimization in ROR and the ultimate Ruby on Rails performance tuning guide.

Table of Contents

Why There is Need to Optimize Ruby on Rails App?

Ruby on Rails is a server-side web application development framework written and developed in Ruby programming language. Ruby on Rails works on MVC Architecture (Model View Controller) with default database, web services, and web pages.

At the time of product development, we often make decisions that seem vital, but later on, such choices prove to be decisive to bring the application’s performance down. You might question why use Ruby on Rails in the first place?

Choosing RoR as your development partner won’t mean your project will succeed; proper care and attention are required to run it efficiently.

To get better Ruby on Rails performance in your web application, it is necessary to optimize the application. Let’s look at the reasons why there’s a need to optimize RoR application:

  • Slow page reloading
  • Slower server response
  • App crash problems
  • Usage of old code

Tips to Optimize the Performance of a Ruby on Rails App

After getting an overview and benefits of choosing Ruby on Rails, this part of the blog will help you understand the quick tips to increase performance in Ruby on Rails application.

Optimization of Server

The server plays an important role in the performance of your application, and it becomes mandatory to optimize server performance to get overall faster results in your existing product. Below are a few steps for Ruby on Rails Performance optimization.

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Expand RAM Capacity

Once users’ traffic increases, the performance of your web application decreases. To solve this issue, it would be better if you expanded the capacity of RAM. Also, you can go for a more powerful CPU or start using SDD to get more improved performance.

Use Balancing Method

If your application is getting high traffic on a daily basis, it won’t be easy to manage requests and solve the same in a minimal time. You can start using the load balancing method to solve the request at an appropriate time to boost your web application performance.

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Choosing Right Web Hosting

Choosing the right RoR hosting services is very important because the whole performance of any application is dependent on web hosting. Therefore, always use the correct service provider to fulfill your application’s requirements.

Backend Rails Performance Optimization

Backend optimization of your Ruby apps performance is needed to boost of your existing web app. Follow the below points to avoid problems that may occur in the future.

Optimize your Ruby Code

Code used to develop Ruby on Rails web application shouldn’t be complex to understand. However, this is a very obvious point, and every ruby on rails developer is aware of using code that is easy to work with.

It is important to implement clean code fundamentals to get the best performance from Ruby code in your application.


One of the reasons behind the Ruby on Rails API slow performance in your application is inadequate indexing. Lesser proper indexing increases server response. Therefore, to solve this problem, try to create indexing to cover required information whenever possible.

Make use of Gems and Plugins

Among the number of listed ways to speed up your RoR application, acquaint yourself with gems and plugins. The growing RoR community has fantastic Rails gems and plugins out there to save a lot of your time. Still, it is advisable to do some research on the source before using a plugin for your intended purpose. There are useful enough gems and plugins to optimize your RoR code.

Avoid HTML loads

By leveraging proper HTTP catching header or configuring HTTP2 to allow multiplexing can increase page speed. For Ruby on Rails performance comparison, avoid HTML loads that decrease responsiveness. Also, update your interactive metric to 2s for better performance.

Cache Data

Caching the data whenever the server reloads by responding to new requests can help in improving Rails performance. However, one thing worth considering is that it is required to cache the data of the web page, which is decreasing the speed of your Ruby on Rails web application and creates Ruby on Rails performance issues.

Use Ruby on Rails GC Optimization or Tuning

GC stands for Garbage Collection. It helps in controlling the web application’s memory. The usage of GC tuning will increase both testing and application speed for Ruby performance optimization.

Use More Compressed Files

Large file data such as images or videos can decrease the overall speed of the application or any specific page where the data is displayed. So for the Ruby performance tuning in your application, always use compressed images and videos for faster reloading of web pages.

Key TakeAway: Ruby On Rails Performance Tuning Guide

Ruby on Rails is among the top 20 highly preferred web app development frameworks, and once your application is developed, it becomes necessary to maintain the Ruby on Rails application performance. Therefore the above blog has adequate information that will be helpful for business owners to understand how to do Ruby on Rails performance optimization quickly. Being the top Ruby on Rails development company, we can lend a helping hand to turbocharge your entrepreneurial journey by resolving bugs, incompatibilities, and security issues.

Frequently Asked Questions (FAQs)

Migration is a very suitable way to change the database schema consistently over a while. Migrations use Ruby DSL to ensure you don’t have to work on SQL manually. It also allows changes and schema to be done, database independently.

N1 query is a problem that occurs when your application’s code executes an extra N query statement to fetch the similar data that could have been retrieved while executing the main query.

One of the main reasons behind the slowness in Ruby code is its functional calls and inheritance that makes code slower. To solve this problem, you can try using a Garbage collector.

Ruby on Rails is an open-source framework that can be used for web application development. Rails is an easily manageable framework and also works on MVC architecture.

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