Part 2. Faster web apps

If you’ve ever been in a hurry to get urgent information from a website, you know how frustrating it can be to wait for a web page to load. In fact, a study by Nielsen Norman Group found that a 10-second delay will often make users leave a site immediately—and even if they do stay, it’s hard for them to understand what’s going on, making it less likely that they’ll succeed in any difficult tasks. If you’re trying to build a business that’s based online, you can easily lose your opportunity to convert that person into a sale. That’s why it’s so important to build web pages that are fast and work efficiently, regardless of the user’s device.

In part 2, we’ll focus on how you can use Service Workers to improve the performance of your Progressive Web Apps (PWAs). From caching techniques to alternate image formats, Service Workers are flexible enough to suit every situation.