Top 10 Benefits of Lightning Web Component over Aura Lightning Components (2024)

What is the Lightning Web Component (LWC)?

The Lightning web component introduced in Feb 2019 is Salesforce’s new programming model built on modern browser improvements or web standards.

These web components help to create custom, reusable HTML tags for web pages & apps.

The lightning component uses different components – The lightning web component & the Aura Component.

Most important!

Lightning web component co-exists with the Aura programming model & delivers unparalleled performance.

It is highly useful for:

Improving productivity: Uses modern web language like templates, shadow DOM, Decorators, and custom elements.
Enhanced Performance: Web browser executes the code for a superfast experience.

Top 10 Benefits of Lightning Web Component over Aura Lightning Components (1)

As per the development in the last five years, there is a complete transformation in the web stack.

From 2014 to 2019, the superfast rise in standard web elements is phenomenal.

Salesforce Lightning web components are like icing on the cake. Now, work is handled efficiently by the web browser.

Lightning web components leverage templates, custom elements, Decorators, Modules, Rendering & events available in ECMAScript 7 & beyond.

Advantages of Lightning web component :

  • Offers enhanced security
  • Superfast & Light in weight
  • Supports advanced browsers technologies like CSS3, HTML5

Aura Lightning Component:

Aura is a user interface framework that develops single-page applications on the Salesforce platform.

It develops reusable component units in the form of a plug & play component. Every aura component performs small tasks independently.

Many aura components work together to create a single application.

Read more to learn What Makes Salesforce Lightning Special – Top 10 Lightning Features

Top 10 Benefits of Lightning Web Component over Aura Lightning Components (2)

Aura Component Programming model offers excellent benefits like:

  • Out-of-the-box components:

    Aura out-of-the-box components ensure that the app does not need optimization for different devices.

  • Fast Development:

    Teams work faster with, out of an box component that functions hassle-free with different devices like mobile & desktop.

  • Browser compatibility:

    Apps are compatible with the latest browser technologies like HTML5.

Benefits of Lightning Web component (LWC) over Aura Lightning Component (ALC)

  • Site Loading Speed:

    The Lightning web component is hugely faster than the Aura component in loading web pages.

  • Easy Learning:

    The Lightning web component script uses HTML & Javascript language. That means tasks are more comfortable to do.

  • Best Performance:

    As LWC builds on web components, It makes LWC extremely lightweight & efficient in memory management. That’s the reason LWC runs much faster than Aura lightning components.

  • Debugging Made Easy:

    Debugging is significantly easier for LWC than ALC. Different Salesforce discussion forums address & execute the step by step debugging topics very quickly.

  • Easy to Ramp:

    The absence of a different framework enables developers to learn LWC more easily.

  • Standardized:

    As LWC uses core web components, it offers everything needed for the blazing-fast performance of browsers. It uses common coding languages like CSS, Javascript & HTML.

  • Inbuilt Browser Security Features:

    LWC has inbuilt browser security features driving its out-of-the-box usage while Aura requires an event-driven programming model that is GUI-dependent. It focuses on actions like button press & clicks determining the flow of movement. The Lightning web components support these actions.

  • Data Binding:

    Data binding is a technique that binds data sources from the provider and consumer together and synchronizes them. LWC supports two-way data binding that helps in coordinating how data moves between different components.

  • Unit Testing Support:

    LWC supports the unit testing framework.

  • Versatility:

    Full encapsulation is available with LWC.

Read more: Salesforce Lightning Web Components: The new way to build Lightning Apps

Let’s Conclude:

We have seen ten significant advantages of the Lightning web component over the Aura lightning components. CEPTES is a Salesforce Silver consulting partner that can guide you as your strategic partner to speed up the business value of your Salesforce.com investment through consultation, digitization, and innovation. If you are thinking of growing your business using the Salesforce platform, then get in touch; we are happy to help you.

Top 10 Benefits of Lightning Web Component over Aura Lightning Components (2024)

FAQs

What is the advantage of LWC over Aura component? ›

Performance: LWC is built on modern web standards and leverages native browser capabilities, resulting in better performance compared to Aura components. LWC has a smaller runtime footprint, faster rendering, and optimized event handling, leading to improved overall performance.

What is the difference between Aura component and Lightning Web component? ›

The key differences between the two frameworks are in their event models and best practices. Aura Components use a dedicated event framework, while Lightning Web Components utilize the native DOM eventing system.

Why we use Lightning Web components in Salesforce? ›

Easier to build, adapt and roll-out. Welcome to Lightning Web Components (LWC), an addition to the Salesforce Framework. LWC Salesforce requires fewer coding skills to create web apps' interfaces, significantly cuts development lead-time and relies on universal tools and web standards.

Should I learn aura or LWC? ›

It depends on: How experienced you are as a Developer with JavaScript and HTML5, or modern development tools such as Visual Studio Code, Command Line Interfaces, GitHub? If you are very experienced and have even done work with React or Angular, then I would suggest starting with LWC's.

Why use Aura instead of LWC? ›

Although there are very small differences between the aura and the LWC, Compared to Aura components, Lightning web components perform better and are simpler to create. However, since LWC does not yet support everything that Aura supports, you may also need to use Aura when building Lightning Web Components.

Why Salesforce moved from Aura to LWC? ›

We are transitioning from our Aura Framework to our newer Lightning Web Components (LWC) framework. This move is aimed at improving the performance and user experience of Salesforce's products and services. As part of this transition, we are migrating our internal components from Aura to LWC.

Why are lightning Web Components better compared to Salesforce? ›

On the other hand, Lightning Web Component is a new framework that uses modern web development standards such as custom elements, templates, shadow DOM and ECMAScript 7. It is designed to be faster, lighter and more secure than Aura, and offers to improved performance.

How to convert aura component to lwc? ›

Transitioning an Aura Component
  1. Copy raw HTML.
  2. Convert data bindings.
  3. Convert any logic in HTML to getters in the JavaScript file.
  4. Check any CSS overrides.
  5. Pull logic from helper and controller classes into a single js file.
  6. Convert events from Component and Applications events to CustomEvents.
Jan 7, 2021

Is Aura deprecated? ›

Aura Components in the ui Namespace Are Being Deprecated.

Is LWC faster than Aura? ›

Performance: LWC is built on web standards, which makes it faster and more lightweight than Aura. LWC components are also designed to be more efficient in terms of memory usage, resulting in better performance overall.

Can aura components contain lightning web components? ›

Aura and LWC can work together, you can compose and Lightning Web Component in AURA as a child but it's not the other way around. But before using a Lightning Web Component as a child in Aura make sure you understand the pros & cons of it.

What are the disadvantages of LWC? ›

One potential drawback is the steeper learning curve compared to Omni Studio. LWC requires a deeper understanding of JavaScript, HTML, and CSS, making it more challenging for developers with limited frontend development experience.

What is the difference between LWR and Aura in Salesforce? ›

Like Aura sites, LWR sites include drag-and-drop functionality. Unlike Aura sites, LWR sites are almost entirely created via custom development and composed of Lightning Web Components (LWC). Therefore, a developer familiar with LWCs is essential.

What are two advantages of using Salesforce Lightning? ›

Some key benefits of Salesforce Lightning include increased productivity for sales teams, improved analytics, information security, third-party integrations, and automation.

Can we communicate between aura and LWC? ›

Aura and LWC can work together, you can compose and Lightning Web Component in AURA as a child but it's not the other way around. But before using a Lightning Web Component as a child in Aura make sure you understand the pros & cons of it.

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