Launch
What is Cold Start?
The delay when a serverless function starts up after being idle. It affects the first request after a quiet period but not subsequent ones.
Learn this term every day on iPhone.
One hand-written term. A real workplace example. Thirty seconds before your day gets loud.
In real work
This webhook has a cold start problem. Move heavy initialization outside the handler to shorten startup time.
How is this different from Googling it?
Google gives a definition. Prompthaus pairs each term with how it shows up in standups, PRs, prompts, and design reviews—then quizzes you until the word sticks. One term a day on iPhone.