7-day longest streak
👋 Hi, I’m Harry _— I am co-chair of performance.now()—_the_ conference for web performance professionals_ I am a Consultant Web Performance Engineer from the UK. I help some of the…
👋 Hi, I’m Harry
_— I am co-chair of performance.now()—_the_ conference
for web performance
professionals_
I am a Consultant Web Performance Engineer from the
UK. I help some of the world’s largest and most respected organisations find and
fix their site-speed issues.
🚦 Availability
I’m currently booking clients for Q4 2025 and beyond.
Get in touch if speed matters to your
business.
🛠️ Open Source
I don’t write as much code as I used to, but my biggest or most recent
contributions are:
- 🩺 Obs.js: context-aware web
- 🧼
defaults.css:
- 🧠 ct.css: Let’s take a look inside
- 🧊 inuitcss: an extensible,
🌍 Elsewhere
Find me on:
-
csswizardry.github.com ★ PINNED
My site.
HTML ★ 469 14d agoExplain → -
inuitcss ★ PINNED ⑂
Extensible, scalable, Sass-based, OOCSS framework for large and long-lasting UI projects.
CSS ★ 8 10y agoExplain → -
ama ★ PINNED
Ask me anything!
★ 57 9y agoExplain → -
press ★ PINNED
Bios and stuff…
★ 1 3y agoExplain → -
Obs.js ★ PINNED
Context-aware web performance for everyone
JavaScript ★ 703 1mo agoExplain → -
inuit.css
Powerful, scalable, Sass-based, BEM, OOCSS framework.
CSS ★ 3.8k 10y agoExplain → -
CSS-Guidelines
High-level guidelines for writing manageable, maintainable CSS
★ 3.6k 3y agoExplain → -
ct
Let’s take a look inside your <head>…
CSS ★ 1.9k 3y agoExplain → -
csswizardry-grids
Simple, fluid, nestable, flexible, Sass-based, responsive grid system.
CSS ★ 1.5k 3y agoExplain → -
typecsset
A small Sass library for setting type on the web.
CSS ★ 705 12y agoExplain → -
nudge
Warn developers about improper selector usage
CSS ★ 222 10y agoExplain → -
beautons
A beautifully simple button toolkit
CSS ★ 211 12y agoExplain → -
csscv
A simple, opinionated stylesheet for formatting semantic HTML to look like a CSS file.
CSS ★ 206 9y agoExplain → -
vanilla
My personal starting point for new builds.
HTML ★ 183 10y agoExplain → -
discovr
CSS Architecture workshop files
CSS ★ 176 8y agoExplain → -
frcss
No description.
CSS ★ 106 11y agoExplain → -
dotfiles
Starting small… my dotfiles for a few things.
Vim script ★ 104 6y agoExplain → -
inuit.css-web-template
Web template for housing the inuit.css framework as submodule
CSS ★ 88 11y agoExplain → -
recipes
Collection of things I like cooking
★ 44 12y agoExplain → -
web-performance-resources ⑂
Up to date collection of valuable web performance resources
★ 40 7y agoExplain → -
pr.ofile.me
Digital, mobile business cards
★ 40 13y agoExplain → -
defaults.css
A thoroughly modern, light-touch CSS reset for people who like writing CSS
CSS ★ 23 10mo agoExplain → -
hry.rbrts.me
Personal hub site.
PHP ★ 20 12y agoExplain → -
css-architecture
Workshop materials
CSS ★ 16 11y agoExplain → -
build-along-1
The first CSS Wizardry build-along
★ 16 4y agoExplain → -
fluid-grids
No description.
PHP ★ 15 13y agoExplain → -
extend-vs-mixin
No description.
CSS ★ 14 10y agoExplain → -
img.css
img.css is an opinionated <img>-only CSS reset and set of defaults
CSS ★ 12 10mo agoExplain → -
smooth-scroll ⑂
A simple vanilla JS script to animate scrolling to anchor links.
JavaScript ★ 11 12y agoExplain → -
fep
No description.
★ 9 9y agoExplain → -
grid-by-example ⑂
CSS3 Grid Layout examples
CSS ★ 6 8y agoExplain → -
essential-image-optimization ⑂
Essential Image Optimization - an eBook
CSS ★ 6 8y agoExplain → -
sampenrose.co.uk
Portfolio
★ 6 14y agoExplain → -
demo-component
No description.
CSS ★ 5 11y agoExplain → -
harry.is
No description.
SCSS ★ 3 9d agoExplain → -
nightingale ⑂
Frontend Framework
CSS ★ 3 9y agoExplain → -
questions-for-consultants-issues
Public issue tracker for my eBook, Questions for Consultants
★ 2 6y agoExplain → -
personal-website ⑂
My portfolio website
PostScript ★ 2 9y agoExplain → -
gilliansibthorpe.com
No description.
HTML ★ 2 8y agoExplain → -
csswizardry
About Me
★ 1 10mo agoExplain → -
piccalilli-burger-menu-demo
No description.
HTML ★ 1 3y agoExplain → -
normalize.css ⑂
A collection of HTML element and attribute style-normalizations
CSS ★ 1 9y agoExplain → -
nightingale-demo
No description.
HTML ★ 1 9y agoExplain → -
wishlist
Because I’m greedy like that…
★ 1 13y agoExplain → -
bower-demo
No description.
CSS ★ 1 11y agoExplain → -
toolkit-core
No description.
CSS ★ 1 9y agoExplain → -
stephenmelrose.github.io ⑂
My site - http://stephenmelrose.co.uk
CSS ★ 1 12y agoExplain → -
test
No description.
★ 1 10y agoExplain → -
markrabey.github.io
No description.
CSS ★ 1 11y agoExplain → -
anselmh.github.com ⑂
My personal website and blog
CSS ★ 0 12y agoExplain → -
webgde-deck ⑂
A deck of news and updates from Web GDE's
JavaScript ★ 0 8y agoExplain → -
stuckinvim.com ⑂
No description.
HTML ★ 0 9y agoExplain → -
WPOStats ⑂
No description.
CSS ★ 0 8y agoExplain → -
mv-data ⑂
No description.
★ 0 8y agoExplain → -
madebymike.github.io ⑂
No description.
CSS ★ 0 10y agoExplain → -
paynedigital.com ⑂
The Payne Digital Ltd Website.
★ 0 12y agoExplain →
No repos match these filters.