Harry Roberts
CSS Wizardry
Harry is an independent Consultant Web Performance Engineer from the UK. He helps some of the world’s largest and most respected organisations find and fix their site-speed issues.
He is both a Google- and a Cloudinary Media- Developer Expert, and has consulted for clients from the United Nations to the BBC, General Electric to the Financial Times, and a whole host more.
When not doing client work, he writes, teaches, and speaks about the entire gamut of front-end performance. When not doing work at all, he’s probably out on his bike.
DEV TRENDS
Past Presentations
My website is slow—where do I start?!
14:30 - 15:00, 24th of May (Wednesday) 2023/ DEVTRENDS STAGE
Optimising Largest Contentful Paint
15:30 - 16:00, 6th of October (Thursday) 2022/ DEVTRENDS STAGE
Get Your Head Straight
10:20 - 10:50, 14th of October (Thursday) 2021/ DEVTRENDS STAGE
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