When collecting information using a crawler, the IP address may be blocked if the website recognizes it as a snail-like behavior. This is because many websites have anti-crawling mechanisms to prevent excessive traffic from automated tools. For instance, a store offering a free giveaway may limit the number of gifts for someone who visits seven or eight times an hour, as their behavior has been identified as "abusive." Similarly, crawlers can use proxy IP addresses to avoid being blocked. To ...