Optimistic Rendering on Wix

Hey there, fellow web enthusiasts! 👋 In this exciting YouTube video, I'm going to dive deep into the world of web development and show you how to achieve Optimistic Rendering on Wix! 🚀

If you've ever wondered how social media giants like Facebook, Twitter, and Instagram deliver lightning-fast updates to your feed, you're in for a treat. We're going to hack their speed tricks and implement them on your very own Wix website.

View the code-along version here:

Optimistic Rendering is a web development technique used to enhance the user experience by making web applications feel faster and more responsive. It's particularly effective for scenarios where you need to update the user interface (UI) based on some user action, such as submitting a form or clicking a button, and you want to provide instant feedback to the user without waiting for the server's response.

Here's how Optimistic Rendering works:

User Interaction:

When a user performs an action that triggers a change in the UI, like submitting a form or making a comment on a social media platform, the UI updates immediately to reflect the change as if it has already been processed successfully. This update occurs instantaneously, providing the user with the illusion that the action has been completed without delay.

Asynchronous Request:

Simultaneously, a request is sent to the server to process the user's action. However, the UI does not wait for the server's response before updating. This is the "optimistic" part of the process, as you're assuming that the request will be successful.

Server Response:

When the server processes the request, it sends a response back to the client-side application. This response typically contains information about whether the action was successful or if there were any errors.

Update Based on Server Response:

Upon receiving the server's response, the client-side application reconciles the UI with the actual outcome. If the server confirms that the action was successful, there is no visible change in the UI since it already reflects the expected state. If there was an error, the UI can be updated to show an error message or revert to the previous state.

Optimistic Rendering provides several benefits:

Perceived Speed: It makes the application feel faster because users see immediate feedback, even if the server processing takes some time.

Improved User Experience:

Users don't have to wait for the server response before continuing to interact with the application, reducing frustration and enhancing engagement.

Reduced Perceived Latency:

By showing updates instantly, even if they might need to be corrected later, it reduces the perceived latency in the application, making it more responsive.

However, implementing Optimistic Rendering requires careful handling of potential errors and server responses to ensure data consistency. It's commonly used in modern web applications, especially those that involve real-time updates and interactions, such as social media platforms and collaborative tools.