Earlier, performance was not a big concern amongst website owners. However, times have changed now. In fact, it affects everything, including accessibility, usability, SEO. Stellar performance needs quality measurement, monitoring, and a refined approach. Meanwhile, the growing complexity poses new challenges making it hard to track metrics because data vary depending upon device, browser, protocol, network type, and latency. As you stick with the article, we’ll focus on ways to improve performance. Here’s the checklist…"Front-End Performance Checklist 2021"