Placehold.it. Useful dynamic image generator for layout mockups—just drop an image in to a page pointing at http://placehold.it/300x200. Takes optional arguments for text, colour and format as well.
Recent articles
- Introducing gisthost.github.io - 1st January 2026
- 2025: The year in LLMs - 31st December 2025
- How Rob Pike got spammed with an AI slop "act of kindness" - 26th December 2025