Simon Willison’s Weblog

21st December 2021

None

TIL Adding a robots.txt using Cloudflare workers — 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.

Posted 21st December 2021 at 11:07 pm

Recent articles

Claude Opus 4.8: "a modest but tangible improvement" - 28th May 2026
I think Anthropic and OpenAI have found product-market fit - 27th May 2026
Notes on Pope Leo XIV's encyclical on AI - 25th May 2026

This is a beat by Simon Willison, posted on 21st December 2021.

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