Are you kidding me? Chrome is the best and lightweight browser. For adblocker, use AdGuard, its fully support Chrome even in data saver mode. Also its can load page faster than Mi Browser? Why? because after you launched Mi Browser it also load news and some ads (typically miui rom with background ads). Chrome also loads news but no ads, and the news on start page chrome can be read in offline mode bcoz it automatically saved (like a cached news) after load online.