Hello. I'm No Tuggeun, and besides this blog, I run various other sites. I host everything—my company homepage, personal blog, and even WordPress sites I've built for clients—on a single AWS Lightsail instance. Running everything on a single instance keeps costs low, However, there's a downside. Whether it's a dynamic site or static pages, having … Continue reading What is robots.txt: AI crawlers are OK, blocking malicious bots up to robots.txt optimization code