Results
Resultsthat speak.
Verifiable
Case Study #1
This website.
constructive.agency is itself the best example of our work. Built with the same standards we apply to every client.
- 01Built in under 3 weeks — from concept to launch
- 02PageSpeed 100 (Mobile & Desktop)
- 03Next.js 16, Tailwind CSS 4, GSAP, 3 languages (DE/EN/ES)
- 04WCAG AA compliant, fully responsive
- 05Deployed on Vercel, EU region
Health
Bioresonanz Analyse
98Performance
100Accessibility
100Best Practices
100SEO
System Components
- 01Booking system with calendar integration
- 02Client portal with login
- 03Admin panel with appointment management
- 04Blog with multilingual CMS
- 05Complete platform
Replaces
WordPress + Doctolib + Mailchimp → 1 system
Verifiable
- Booking, portal, admin, blog integrated
- GDPR compliant with EU hosting
- Google Calendar sync
Gastronomy
Coffee & Bananas
100Performance
100Accessibility
100Best Practices
100SEO
System Components
- 01Online shop with product catalogue
- 02QR menu for table ordering
- 03Workshop booking system
- 04Blog with CMS
- 05Admin panel with dashboard
Replaces
Squarespace + Calendly + Mailchimp → 1 system
Verifiable
- Complete system for café operations
- Booking, content, commerce in one stack
- WCAG AA compliant
Portfolio
Linda Schneider
100Performance
100Accessibility
100Best Practices
100SEO
System Components
- 01Portfolio gallery with categories
- 02Admin panel for image management
- 03Contact flow with validation
- 04Responsive image optimisation
Replaces
Static HTML page → manageable system
Verifiable
- 30 accessibility corrections (WCAG AA)
- Complete portfolio with admin
- Mobile-first responsive
Methodology
How we measurequality.
Four benchmarks we maintain on every project — and anyone can verify.
PageSpeed Insights
Google PageSpeed score 90+ on every project. Mobile and desktop.
WCAG 2.1 AA
Full accessibility to international standards.
Core Web Vitals
LCP, FID, CLS — all values in the green zone.
Lighthouse Audit
Performance, accessibility, best practices, SEO — all verified.