Unless I want to use the newest APIs and features, the web technologies seem pretty good for my taste, I design/develop my websites in Chrome, and most of times

Unless I want to use the newest APIs and features, the web technologies seem pretty good for my taste, I design/develop my websites in Chrome, and most of times, they work fine or need minor fixes in IE/Firefox. I feel relieved now, compared with the old IE6 days. Anyway, caniuse.com is a pretty good tool when I'm in doubt about using a new API/feature.