The most unforgettable event for webmasters in June was the update of Baidu algorithm. The massive K station event brought about by the system upgrade, commonly known as the "6.28 event", in which seven or eight websites I operated were also the "victims" of Baidu algorithm update. Therefore, I have been looking forward to Baidu's official clarification, Yesterday, Lee of Baidu published "Measures for low-quality sites have come into effect