Dynamically changing favicons with JavaScript. I just spotted GitHub using this trick to swap out the favicon on a pull request that hadn’t passed its tests yet for github.com/favicon-failure.ico with a little cross icon in the corner.
Recent articles
- Tips on prompting ChatGPT for UK technology secretary Peter Kyle - 3rd June 2025
- How often do LLMs snitch? Recreating Theo's SnitchBench with LLM - 31st May 2025
- Talking AI and jobs with Natasha Zouves for News Nation - 30th May 2025