4 ms·does this happen only when you click the ublock and it opens a popup window or with any extension popup UI?by curiously 12y agodoes this happen only when you click the ublock and it opens a popup window or with any extension popup UI?gorhill 12y agoAny extension popup UI, which appears when you click an extension icon. The more complicated the HTML document in the popup, the larger the leak.curiously 12y agowhat about extensions without a popup UI?