Web

JavaScript’s default synchronous methods can freeze an application, scaring off end users. Here’s how you can leverage asynchronous JavaScript techniques to increase control over front-end responsiveness.

Many developers looking for their next gig claim to have experience with Google’s popular front-end framework. Here, international Angular coach Bo Vandersteene tells hiring managers how to separate the best from the rest.

At first, JavaScript may seem quite simple. Yet the language is significantly more nuanced, powerful, and complex than one would initially be led to believe. Many of JavaScript's subtleties lead to a number of common problems—10 of which we discuss here—that keep code from behaving as intended. It's important to be aware of and avoid these pitfalls in one's quest to become a master JavaScript developer.

Inspired by stale-while-revalidate cache control logic, modern sites implement stale-while-refresh logic on the UI side. Thankfully, React Hooks make this logic painlessly reusable across components.

Internet privacy's cutting-edge technology includes encrypted server name indication (ESNI) and encrypted DNS in the form of DNS over HTTPS (DoH). Find out what they are, why they exist, and how they work.

Does your web page’s rendering performance meet today’s standards? Bad rendering performance can translate into a relatively high bounce rate. In this article, Toptal Freelance Web Developer Ilya Chernov explores the things that can lead to high rendering times, and how to fix them.

HTTP/3 is on the horizon, but many aren't even familiar with HTTP/2 yet. Find out what HTTP/3 means for web development, administration, and the internet.

In Part 1 and 2, we took a closer look at the evolution of the web, how XML and JSON arose, and the differences between the two standards. In this final part of our series on JSON vs. XML, Toptal Freelance Full-stack Developer Seva Safris looks at XML as a data interchange format and how well it supports complex requirements. And finally, he will discuss the future of JSON as well as explore solutions that bring the strengths of XML to JSON.

Nearly all computer applications rely on either JSON or XML. Today, JSON has overtaken XML, but is it better? In part 1 of this series on JSON vs. XML, we take a closer look at the history of the web to uncover the original purpose of XML and JSON and analyze how JSON became the popular choice.