Theofilos Paraskevas — Blog https://theofilosp.eu Articles on frontend development, .NET, WordPress, SEO and web performance. en Woo Withdrawal Modal for WooCommerce https://theofilosp.eu/blog/woo-withdrawal-modal-for-woocommerce/ https://theofilosp.eu/blog/woo-withdrawal-modal-for-woocommerce/ A WordPress/WooCommerce plugin that turns the EU Consumer Rights Directive's right-of-withdrawal obligation into a structured, auditable request workflow instead of ad-hoc emails and phone calls. Fri, 10 Jul 2026 00:00:00 GMT WordPress B2B Procurement Auction Platform https://theofilosp.eu/blog/b2b-procurement-auction-platform/ https://theofilosp.eu/blog/b2b-procurement-auction-platform/ Case study: a full-stack B2B e-procurement auction platform — admin portal, supplier portal, REST API, 2FA, SoftOne ERP integration and Excel workflows. Tue, 17 Mar 2026 00:00:00 GMT Case Study Building an Automated Approval Workflow System with Blazor, .NET and Token-Based Actions https://theofilosp.eu/blog/approval-workflow-system-blazor-dotnet/ https://theofilosp.eu/blog/approval-workflow-system-blazor-dotnet/ Case study: a reusable approval workflow engine with state-based lifecycle management, automated notifications and secure one-time token actions. Fri, 03 Oct 2025 00:00:00 GMT Case Study E-commerce Development & WooCommerce Solutions https://theofilosp.eu/blog/ecommerce-woocommerce-solutions/ https://theofilosp.eu/blog/ecommerce-woocommerce-solutions/ Case study: production WooCommerce platforms — marketplace and ERP integrations, payments, shipping automation, SEO, performance and security. Wed, 11 Jun 2025 00:00:00 GMT Case Study Docker for Developers: Why It Changed the Way We Build and Deploy Applications https://theofilosp.eu/blog/docker-for-developers/ https://theofilosp.eu/blog/docker-for-developers/ How Docker solves the 'it works on my machine' problem — images vs containers, Dockerfiles, Compose, ASP.NET Core setups and CI/CD pipelines. Fri, 21 Feb 2025 00:00:00 GMT DevOps Understanding DNS, Email Authentication and Domain Management https://theofilosp.eu/blog/dns-email-authentication-domain-management/ https://theofilosp.eu/blog/dns-email-authentication-domain-management/ How DNS records work and how SPF, DKIM and DMARC keep email trustworthy — plus domain management best practices and common DNS pitfalls. Fri, 08 Nov 2024 00:00:00 GMT Hosting Migrating WordPress Websites Without Downtime https://theofilosp.eu/blog/migrating-wordpress-without-downtime/ https://theofilosp.eu/blog/migrating-wordpress-without-downtime/ A structured, zero-downtime WordPress migration process — auditing, staging, hosts-file testing, DNS TTL, email records and post-migration monitoring. Mon, 29 Jul 2024 00:00:00 GMT Hosting Secure WordPress Hosting Architecture: Building a Reliable and Protected Environment https://theofilosp.eu/blog/secure-wordpress-hosting-architecture/ https://theofilosp.eu/blog/secure-wordpress-hosting-architecture/ A layered approach to WordPress security — DNS, Cloudflare, server hardening, PHP, database, backups, monitoring and bot management. Thu, 14 Mar 2024 00:00:00 GMT Security