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10 Tips for Optimizing Front-End Performance in Your Web Applications

kokou adzo

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Today, we have brought the ten most effective tips to increase your website performance. Let’s suppose that you’re browsing the web, and a website takes a longer duration to load. It can be frustrating for you and your visitors. Slow websites can be a real turn-off. That’s why it’s important to optimize your website’s front-end performance. You can also use a reputable front-end Framework for this purpose. But what is the most trustable front-end Framework? Continue reading.

Whether you’re a pro at building websites or just getting started, these tips will help be a game changer. Moreover, you will also run about frontend frameworks. One of the most popular choices is Sencha Ext JS Front end Framework. So, let’s get started and make your website the fastest, smoothest ride on the internet!

What Is Front-End Development?

Frontend development refers to website design. As the name suggests, it is what you see on the website’s front page. For example, let’s consider the homepage of any website. A front-end developer is behind everything you see, including the logo, search bar, buttons, layout, and how you interact with the page. Frontend developers craft the website’s appearance and ensure it looks and feels right.

But that’s not all – front-end developers must ensure the website looks great on all devices. They ensure that no matter how you access the site, it still looks good and works smoothly.

smoot

What Is a Front-End Framework?

Frontend framework refers to the pre-written sets of code that ease the front-end developers’ tasks. Those sets of pre-written code come with maintainable and scalable structures. Hence, we can create beautiful user interfaces more efficiently.

It is important to note that we use HTML, CSS, and JavaScript in front-end frameworks in 2023. Moreover, those components are reusable, so you don’t have to write extensive JavaScript codes from scratch. It also helps us keep the code base organized and consistent for consistent and seamless performance.

Here is the list of tasks we can perform using front-end frameworks.

Generation of responsive designs that are optimized for different devices.

Generation of CSS & HTML code.

Management and updating the codebase.

Automation of compression, modification, and optimization.

Generation of consistent look at all platforms.

plat

Sencha Ext JS

Sencha Ext JS is a JavaScript framework for creating web and mobile apps. It helps us create apps that handle a lot of data and can run smoothly on various modern devices. The best part about Ext JS is its over 140 user interface elements. These elements include things like:

Calendars

Grids

Menus

They make it a standout choice among JavaScript libraries.

One of its strengths is separating the user interface components from the data layer. Therefore offering flexibility and efficiency in building applications. Plus, you can expand its capabilities further by tapping into the extensions created by the Sencha community.

Moreover, you can also speed up development using a combination of tools like:

Sencha Architect

Sencha Stencils

Sencha Themer.

For testing, the Sencha Test provides a comprehensive solution. Hence, it helps us cover unit and end-to-end testing for Ext JS.

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What Are the Ten Tips to Optimize Front-End Performance in Your Website Applications?

Here are the top ten tips every developer should know to enhance the web development process.

Minify HTML/CSS/JS

When developers write code, they use spaces, indentations, new lines, comments, and well-named variables to make the code easy to understand for themselves and others. This is like using good manners in the coding world. This can be highly problematic for servers and web browsers.

To deal with such issues, removing everything that doesn’t help the browser show our webpage is important. This means getting rid of

Extra spaces

Line breaks

Code that isn’t used

Comments

Making variable names shorter.

When doing this, we shorten our code, reduce the file size, use less internet data, make the files run faster, and make the webpage load quickly for users. So, it’s like cleaning up your code to make it more efficient and speedy.

spees

Optimize Font Delivery

Have you ever worried about the font on your website?

Do you wonder if it’s easy to read, clear, and fits your design?

Maybe you’ve decided to use a special web font instead of the usual ones that everyone has.

But here’s the catch: Web fonts can slow down your website because they need extra time to load.

That’s where optimized font delivery comes in. When you use “font-display: swap,” the browser will show a default font first and then switch to your chosen font.

This makes your website load faster, preventing two annoying things:

FOUT, which stands for Flash of Unstyled Text (when text suddenly changes its appearance)

FOIT, which stands for Flash of Invisible Text (when text is temporarily invisible).

Reduce the Number of Server Calls

A server call happens when your website asks the server for stuff like

Pictures

Videos

Files like JavaScript and styles.

When there are many calls, it takes longer for your web page to show up.

To make your website faster, you can do a few things:

Do not put too many pictures, videos, or other things on your page.

Instead of using many small pictures, you can combine them into one big picture.

Don’t use huge pictures if they will only appear small on your website. Resize them so they’re just the right size.

Don’t put too many blog posts on one page if you have a blog.

Plugins are like little helpers for your website. But if you have too many, they can make many extra calls.

You can turn it off for a while if you’re not using a plugin.

Make your website load images only when you scroll down to where they are. This saves time at the beginning.

It can slow down if your website tries to find something that doesn’t exist. Make sure all your links work.

Put all your code in fewer files instead of lots of small ones.

Compress Files

We’re familiar with the idea that bigger files take longer to load. Using techniques to shrink file sizes through compression can significantly boost your front-end performance. This means making your files smaller and simpler to handle, which is a great way to improve your website’s speed.

Optimize Videos

Video optimizations can also lead to an excellent user experience. But how can we make this happen? Well, there are two things we need to think about:

1) The video itself

2) The webpage where it’s shown.

First, it is important to compress the video to not slow down the webpage.

Second, we must create a webpage that lets the video fit in and play nicely.

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Optimize Images

High-quality images and extensive photo collections can slow down your website. Let’s break down some essential techniques to boost your website’s performance.

It’s crucial to load images before visitors interact with them. Preloading eliminates these delays by fetching images in advance, ensuring smooth user interactions.

WebP is a modern image format smaller and more efficient than JPEG and PNG. It reduces image sizes by 25-35%, speeding up your site. You can convert images to WebP using online tools that save you time.

Tailor images to different screen sizes to improve load times. Small devices get smaller images, and large screens receive larger ones. Preventing unnecessary loading delays or sacrificing quality.

Lazy Loading

When someone opens your webpage, it tries to load everything on that page, even the stuff you can’t see right away, like pictures and videos. This takes time and makes your website slower.

Lazy loading is a trick that makes the page load faster. It loads only the things you can see first. Then, as you scroll down, it brings in the hidden stuff. This enhances the speed of your website.

Content Delivery Network

A Content Delivery Network loads websites quickly for users. They store important website stuff on these servers, like pictures and files. When someone visits a website, the CDN gives them these saved things from the nearest server, which makes the website load faster.

Some CDNs can even make websites load super quickly by making the website’s pages and pictures as small as possible. This is especially important for big pictures because big pictures can make websites slow. CDNs can also ensure the first part of a webpage shows up fast, which we discussed before in this article, by keeping website stuff in many different places. This also helps the main website server from getting too busy, which makes websites even faster.

So, CDNs are like a website’s speed boosters, ensuring everything loads quickly and smoothly for anyone visiting the site.

Critical CSS generation

Speed up your webpage by using critical CSS. Start by distinguishing the vital CSS from the less important CSS. Put the crucial CSS directly into the HTML to make it load faster. Delay the less important CSS to ensure your webpage loads quickly with essential data while non-essential data doesn’t slow it down.

Caching

A cache is like a quick-access storage that holds copies of data for later use. When someone revisits your website, it fetches saved data from their computer or your web server instead of starting from scratch. Hence making things much faster.

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Final Thoughts

Making your web applications run smoothly is essential. These ten tips cover everything from writing code efficiently to managing resources. By following these tips, you can ensure that your websites load quickly. In today’s online world, people expect websites to be fast and easy to use. If your site is slow or doesn’t work properly, people will leave and may not return.

So, by using these tips, you can ensure your web applications do well and meet your users’ expectations. Give them a try, and you’ll see the positive impact on your web development projects.

FAQs

What Is a Front-End Framework?

A front-end framework is a set of tools and pre-made stuff that makes it easier to build websites and web applications.

What Is the Most Commonly Used Front-End Framework?

The most popular front-end framework is called “React.”

Is HTML a Front-End Framework?

HTML is not a front-end framework. It’s a markup language for building the structure of web pages.

What Is a UI Framework?

A UI framework is a tool for making user interfaces in a simpler way. Developers use it to build the look and feel of websites or apps. It’s like building blocks that help create the design and features users see and interact with.

 

Kokou Adzo is the editor and author of Startup.info. He is passionate about business and tech, and brings you the latest Startup news and information. He graduated from university of Siena (Italy) and Rennes (France) in Communications and Political Science with a Master's Degree. He manages the editorial operations at Startup.info.

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