webmaster67

Sébastien “Webmaster67” Schaffhauser is a triple-certified cybersecurity and WordPress/WooCommerce expert based in Alsace, France. He hardens and optimizes GDPR-compliant sites, runs dedicated IONOS servers (Ubuntu Pro, Plesk), and integrates Matomo analytics and n8n automation to drive measurable results.

Ubuntu Pro (LTS) • Plesk Obsidian • Nginx proxy + Apache • PHP 8.x (OPcache) • MariaDB/MySQL • Redis • Node.js build chain • WordPress (Blocksy Pro, GreenShift, WooCommerce) • Composer • WP-CLI • Git CI/CD • Matomo (self-hosted) • FluentCRM/FluentSMTP • Stripe Checkout & webhooks • SumUp • n8n automations • Fail2Ban + iptables/ipset • hCaptcha • CSP + security headers • Borg/S3 encrypted backups • Monitoring & logs. Focus: performance, hardening, GDPR, accessibility, and maintainability.