Blisk offers a lot of different devices: phones, tablets, laptops, desktops. support touch event, landscape or portrait mode, have a proper screen resolution, device pixel ratio and user agent. The list of devices updates constantly.
Blisk synchronizes URL and scroll position for both mobile and desktop. Mobile and desktop follow each other by URL and scroll position. Blisk does the routine work for you. It always shows the same page and same portion of the content on desktop and mobile.
Blisk monitors page errors in JavaScript and resources that failed to load. Blisk notifies you when the issue appears and searches for the solution on StackOverflow.
Blisk delivers best DevTools (same as in Chrome). You can launch separate DevTools for desktop and mobile and use them simultaneously to inspect elements, measure performance etc.