And with free proxies, the provider has little control over the use of their proxy addresses, so IPs can be blacklisted for a variety of reasons. Paid proxies can also be banned, but have a lower risk because the proxy addresses are not plastered on a public proxy list like most free proxies are. New proxies might work for a while, only to be blocked by more and more sites as their usage increases. In other words, free proxies for web scraping are often too good to be true.
Free proxies are often seen as a dream come true but can quickly turn into a nightmare, and finding a free proxy list can feel like striking gold, only to find that the motherload has been claimed by too many other prospectors.
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