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Tag: Mobile

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2026


  1. Low- and Mid-Tier Mobile for the Real World (2026)

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

2025


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

  2. Low- and Mid-Tier Mobile for the Real World (2025)

2011


  1. Mobile business card

2010


  1. Mark up a semantic, accessible, progressively enhanced, mobile optimised progress bar (bonus: style the numbers in an ordered list!)

  2. A quick counter to 'The Digital Agencies of the Future!'

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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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