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

Conceptual integrity and counting lines of code - 19th August 2026
Qwen 3.8 27B is excellent, but it defaults to wildly overthinking things - 16th August 2026
Now we have a timeline of the OpenAI accidental attack against Hugging Face - 7th August 2026

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

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