Ask HN: How can I prevent myself from being doxxed?

I imagine my practices are similar to many other HN readers. I follow some privacy best practices but don't generally seek anonymity online. You can google me and find my social media accounts, some articles I've written or for which I was interviewed, and figure out what city I live in. That is to say, my online persona is not entirely locked down.

Let's say I wanted to prevent myself from being doxxed. What steps could I take to make it more difficult?