I too noticed that Dragon is trash (2.2/5 rating on the Chrome Webstore, yikes) I've been working on one that's purpose-built for the web. Most software today is moving towards the web, so that's where we narrowly focus. It works everywhere (including HN, Reddit, YouTube, Gmail... even Duolingo)
You can DL it here: https://chrome.google.com/webstore/detail/lipsurf-voice-cont...