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Calibre
Company blog · building.calibreapp.comwebprogramming
Calibre is the company blog at building.calibreapp.com, writing about web and programming. Since 2017, 6 different Hacker News readers have linked it 6 times, most often “Debugging React Performance with React 16 and Chrome Devtools”. It is still writing: the last post was on 2026-09-28, and you can follow it by feed.
Too few sampled comments (1) to say how often HN recommends it.?
Why HN links it
Posts on React performance debugging and profiling, including a React component that measures the cost of rendering. One commenter links the debugging post as a reference for React's built-in profiling tools.
Summarised by Claude from a sample of 1 HN comments that link here. Each comment is marked recommending, critical or neutral (citing without judging); how this works.
Core Web Vitals and page speed, explained by the team behind Calibre: metric guides, studies of real websites with every number published, and write-ups of how we build Calibre.
Most-linked posts?
- Debugging React Performance with React 16 and Chrome Devtools3 people · 3 mentions · first linked 2017-12-02
What Hacker News says?
It doesn't look like this gives more information than the built in profiling tools[0] React already has. So it looks like an interesting project to learn the component lifecycle and some React internals, but if you need to make your react apps faster you should probably use the provided profiling tools. [0] https://building.calibreapp.com/debugging-react-performance-...
Comment linking /debugging-react-performance-with-react-16-and-chrome-devtools-c90698a522ad
on “React profiling component to measure the "cost" of rendering”Submitted Your site without JavaScript as a story · 3 points
HN discussionSubmitted Debugging React Performance with React 16 and Chrome Devtools as a story · 2 points
HN discussionSubmitted Debugging React Performance with React 16 and Chrome Devtools as a story · 2 points
HN discussionSubmitted New in Calibre: JavaScript parse and compile runtime metrics as a story · 1 points
HN discussionSubmitted Beyond the Bubble: Real world performance as a story · 1 points
HN discussion