Archive for the ‘HTML & CSS’ Category

Five Techniques to Lazy Load Images for Website Performance

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This article is part of a series created in partnership with SiteGround. Thank you for supporting the partners who make SitePoint possible. With images making up a whopping 65% of all web content, page load time on websites can easily become an issue....

Quick Tip: How to Build Your Custom Theme for Telescope Nova

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Telescope Nova is the perfect platform to use if you want to build your own social web app fast and easy. This is a free and open-source project created by Sacha Greif. The front-end development part of the app is built with the React library , while ...

Make Your Website Interactive and Fun with Velocity.js (No jQuery)

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Special thanks from me go to James Hibbard and the developers behind Velocity for reviewing this article. Also to users and developers who contribute and have contributed to Velocity over the years. In this article I introduce Velocity.js, a fast an...

Automated Accessibility Checking with aXe

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Accessibility concerns are often ignored due to the efforts required to check them and implement solutions. Not only do developers have to get acquainted with the underlying standards but also constantly check that they are met. Can we make developing ...

Retrofit Your Website as a Progressive Web App

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There's been a lot of buzz around Progressive Web Apps (PWAs) lately, with many people questioning whether they represent the future of the (mobile) web. I'm not going to get into the whole native app vs PWA debate, but one thing is for sure — they g...

How You Can Use HTML5 Custom Data Attributes and Why

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In this article, I am going to show you how you can use HTML5 custom data attributes. I'm also going to present you with some use cases that you can find helpful in your work as a developer. Why Custom Data Attributes? Very often we need to store info...

Top 5 jQuery UI Alternatives

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When building for the modern web you often need to create useful UI components. Whether you need a calendar, slider, graph or anything else that's useful for improving or simplifying user interaction, your options are either to create it yourself or le...

How to Build Your Own Progressive Image Loader

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You may have encountered progressive images on Facebook and Medium. A blurred low-resolution image is replaced with a full-resolution version when the element is scrolled into view: The preview image is tiny - perhaps a 20px width highly-compressed J...

Web Maker, an Offline, Browser-based CodePen Alternative

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In this article, Kushagra Gaur introduces Web Maker, a browser extension he created for front-end developers who want a blazing-fast, offline web playground. If you're a front-end developer like me, you've probably tried one or more of the code playgr...