I Rewrote Our Crawler with asyncio and Got a 15x Performance Boost

Last week, I finally snapped. Our “legacy” news aggregator was crawling 200 sites in 8 minutes , with two database timeouts along the way. Ops complained it was “slower than a tortoise,” the product manager asked, “Can we get it under 1 minute?” I said: give me half a day, and I’ll rewrite it with asyncio. The result? Total time dropped from 487 seconds to 32 seconds — a 15x speedup. My boss walked past my desk, glanced at the screen, and literally said, “Whoa, now that’s the speed it should be.