Short-term rentals
Ostium
A revenue-per-mandate calculator computed in the browser, an English version localised for the US market rather than translated, and a page that loads no third-party scripts at all.
- Industry
- Short-term rentals
- Type
- Landing page
- Year
- 2026

Ostium builds the websites of short-term rental managers: the property catalogue, booking wired into the software they already run, and the page that goes after owner mandates. Agency site designed and built in Next.js, in French and English, around a revenue-per-mandate calculator.
Achievements
01Design and Next.js build on a Relume base
02Revenue-per-mandate calculator, computed in the browser
03Market localisation FR/EN (pricing, software, commission ranges, vocabulary)
04Positioning, copy for both versions and price grid
05Qualifying form (doors, market, licence) before the first call
06Self-hosted typography, no third-party scripts
07Animations dropped under the reduced-motion preference
08Technical SEO, sitemap and production launch on Vercel
Project Overview



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