I had to run this site on til.simonwillison.org for 24 hours due to a domain registration mistake I made. …
To my surprise, if you setup a Cloudflare caching proxy in front of a website it won't cache HTML pages by default, even if they are served with cache-control: headers. …
I got an unexpected traffic spike to https://russian-ira-facebook-ads.datasettes.com/ - which runs on Cloud Run - and decided to use robots.txt to block crawlers. …