Crawling webpages intensively can put a strain on the website server and result in your IP being blocked. To avoid this, consider using a proxy IP to change your IP address or increasing the crawling interval. Another solution is to use crawler optimization technology, such as multi-threading or caching, to reduce the time required for crawling. Before starting a new project, companies often estimate costs, forecast profits, and calculate the input-output ratio to effectively manage the proje...