
Harry Roberts
CSS Wizardry Ltd.
Harry is an award-winning Consultant Performance Engineer from the UK. With a client list ranging from the United Nations to Google, the BBC to the Financial Times, he has helped some of the world’s largest organisations make their websites faster.
He also holds positions as a Google Developer Expert, where he shares web performance research and findings, and as Performance Ambassador for SHIFT Commerce, where he aims to make ecommerce faster from the inside out.
He writes about all things front-end performance at csswizardry.com, speaks at tech events all across the globe, and regularly shares his insights at @csswizardry.
Past Presentations
From Milliseconds to Millions: A Look at the Numbers Powering Web Performance
13:10 - 13:55, 29th of September (Tuesday) 2020/ FRONT-END STAGE
More Than You Ever Wanted to Know About Resource Hints
15:10 - 15:40, 9th of May (Thursday) 2019/ DevTrends
Front-End Performance: Building Faster Websites
09:30 - 17:30, 7th of May (Tuesday) 2019/ WORKSHOP 2
Amber Expo
Trade Secrets – Little-Known Performance Tools (and How to Use ’Em)
13:30 - 17:00, 23rd of May (Wednesday) 2018/ WORKSHOP STAGE #3
It’s My (Third) Party and I’ll Cry If I Want To
16:10 - 16:50, 22nd of May (Tuesday) 2018/ TECH STAGE
Why Fast Matters
09:45 - 10:30, 17th of May (Wednesday) 2017/ TECH STAGE