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Tag: Browser APIs

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2026


  1. Web-Perf Wednesday 007 – Chrome Makes Busy Workers Measurable

  2. Measuring Component Performance with the Container Timing API

  3. Meet Your Users Where They Are with Obs.js

2025


  1. Obs.js: Context-Aware Web Performance for Everyone

  2. Making Sense of the Performance Extensibility API

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Hi there, I’m Harry Roberts. I am an award-winning Consultant Web Performance Engineer, designer, developer, writer, and speaker from the UK. I write, Tweet, speak, and share code about measuring and improving site-speed. You should hire me.

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I help teams achieve class-leading web performance, providing consultancy, guidance, and hands-on expertise.

I specialise in tackling complex, large-scale projects where speed, scalability, and reliability are critical to success.

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