Two HTTP Caching Extensions. stale-while-revalidate serves cached content even while a refresh has been triggered and is currently being pulled in to the cache; stale-if-error serves cached content if a service has gone down.
Recent articles
- Nano Banana Pro aka gemini-3-pro-image-preview is the best available image generation model - 20th November 2025
- How I automate my Substack newsletter with content from my blog - 19th November 2025
- Trying out Gemini 3 Pro with audio transcription and a new pelican benchmark - 18th November 2025