Graphical icons are a crucial component of almost every website or app. Although icons are typically small in size by nature, selecting a format for your web icons is not a trivial decision. Aside from the standard image formats, web developers have two main options: SVGs or icon fonts. Which one should you use? Let’s see how the two formats compare in terms of performance, flexibility, and accessibility.

Adding videos to your website can sometimes be a double-edged sword. Web users love high-resolution videos, but if your website isn’t optimized to handle them, such content can cause performance problems. This guide to video optimization explains how to make sure your multimedia content is increasing conversions instead of driving away users.

Service workers allow developers to manage resource caching more efficiently so that users don’t experience interruptions even if they disconnect from the internet. This guide will explain how a service worker can propel your web app’s performance to new heights.

How do you measure web performance? Whether you care more about speed or image quality, you should always consider multiple metrics when optimizing your web apps. Fortunately, the RAIL model provides an accurate and comprehensive way to evaluate the user experience so that you can make meaningful improvements.

A couple of years ago we reached out to a number of web performance experts in the community and asked them two questions about which performance tip they would recommend focussing on and what are some common performance mistakes.