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Demo builds, measured live

Leavsy is a new studio. To show the approach, I built three small-business sites from scratch and measured them with the same meter as on the homepage — real speed and carbon numbers, not mockups. Client work will appear here as it ships.

Taking up to 10 projects a month · Slots open

bakery.leavsy.com
Levain bakery homepage — dark rosewood hero, bold headline, hands dusting flour over a sourdough loaf

Levain

demo build

Artisan bakery · Lisbon

  • perf 96/100
  • carbon A
  • co₂ 0.097g
  • lcp 2.4s
View live demo →
law.leavsy.com
Halden & Roe law firm homepage — pale editorial page, serif headline with a wine-red phrase, black-and-white Dublin townhouse with a red door

Halden & Roe

demo build

Commercial law firm · Dublin

  • perf 98/100
  • carbon A+
  • co₂ 0.067g
  • lcp 1.8s
View live demo →
services.leavsy.com
Brightwire electrical services homepage — dark blueprint grid, cyan headline, fuse-board photo with drawn callouts, orange call button

Brightwire

demo build

Electrical services · Dublin

  • perf 97/100
  • carbon A+
  • co₂ 0.063g
  • lcp 2.0s
View live demo →

For comparison, the median web page weighs 2.3–2.7 MB (HTTP Archive Web Almanac 2024, mobile/desktop), which is roughly 0.8 g CO₂ per visit by the Sustainable Web Design model — the same maths as the meter on our homepage. Every build above is 8–14× lighter — each rated A or A+ for carbon at 96–98/100 mobile performance.

> two ways to start

Have a website, or need one?

Have one: get a free speed + carbon audit within 24 hours. Need one: fixed price and a preview first — pay only if you like it. Everything by email, no calls needed.

Get a free audit → Start a new site →