Zyte Smart Proxy Manager(formerly Crawlera) is slow on standard web browsers.
The reason is that it's not the way it's intended to be used. Unlike a standard proxy, Smart Proxy Manager is designed for crawling and throttles requests speed to avoid users getting banned or imposing too much load on websites. This throttling translates to a perception of Smart Proxy Manager being slow when tried in a web browser. Continue reading to understand why.