CSS Architecture and Performance Engineering – CSS Wizardry

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Harry gave the team a strong footing for identifying performance issues on iPlayer. With his knowledge, we were able to roll out quick fixes to our audiences without the need for big rewrites, all within just two days.
Matthew Burrows, BBC iPlayer
Harry helped our team level up their scalable CSS architecture skills, and to say that he had a large impact on our work is an understatement. We can’t recommend him enough.
Addy Osmani, Google
Harry’s workshop was excellent; we left with tons of new ideas and techniques to improve both the CSS architecture and overall performance of Behance and Adobe Portfolio.
Jackie Balzer, Adobe
There’s a short list of people I whole-heartedly recommend for detailed performance work; Harry is right up there at the top.
Tim Kadlec
The CSS architecture I learned from Harry on the NHS project has changed the way I work. Bravo!
Josh Nesbitt

Articles

There are 224 articles on this blog. Find them all on the archive page.

30 November, 2016
CSS Wizardry Newsletter
28 November, 2016
Nesting Your BEM?
23 October, 2016
Improving Perceived Performance with Multiple Background Images
19 October, 2016
Continue Normalising Your CSS
15 October, 2016
Pure CSS Content Filter
10 October, 2016
Pragmatic, Practical, and Progressive Theming with Custom Properties
30 August, 2016
Refactoring CSS: The Three I’s
20 June, 2016
Speaker’s Checklist: Before and After Your Talk
1 June, 2016
Improving Your CSS with Parker
8 May, 2016
The Importance of !important: Forcing Immutability in CSS

Hi there, I’m Harry. 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.