In today's information age, data has extremely important value, and crawlers, as a data grabbing tool, play an important role in all walks of life. However, with the improvement of network security awareness and the increase of data protection requirements, the website's anti-crawler mechanism for crawlers is becoming more and more complicated and strict. This article will elaborate on the application of crawlers, why there are anti-crawlers, and how to break through anti-crawlers t...