Writing on AI workflows, product development, psychometrics, and building across multiple domains.https://www.blazejmrozinski.com/https://www.blazejmrozinski.com/blog/saas-is-dead-narrative/https://www.blazejmrozinski.com/blog/saas-is-dead-narrative/The 'SaaS is dead' narrative gets the diagnosis right and the prognosis wrong. AI makes code cheap. It barely touches trust, switching costs, and domain expertise. Those are the parts that actually make a SaaS business defensible.Mon, 13 Apr 2026 00:00:00 GMThttps://www.blazejmrozinski.com/blog/wp-infra-04-four-layers-of-caching/https://www.blazejmrozinski.com/blog/wp-infra-04-four-layers-of-caching/Four-layer WordPress caching stack: Cloudflare CDN, Nginx FastCGI page cache, Redis Object Cache Pro, and PHP OPcache with JIT. Achieved sub-50ms TTFB with WooCommerce bypass rules.Sun, 12 Apr 2026 00:00:00 GMThttps://www.blazejmrozinski.com/blog/wp-infra-03-deploying-wordpress/https://www.blazejmrozinski.com/blog/wp-infra-03-deploying-wordpress/Production WordPress deployment on a VPS: wp-config.php constants, Redis with Object Cache Pro, Nginx vhosts, SSL via Cloudflare, and the wp-config ordering bug nobody warns you about.Thu, 09 Apr 2026 00:00:00 GMThttps://www.blazejmrozinski.com/blog/how-i-taught-ai-to-work-like-a-colleague/https://www.blazejmrozinski.com/blog/how-i-taught-ai-to-work-like-a-colleague/A hands-on guide to configuring AI assistants through role definitions, safety protocols, and feedback loops. How I turned Claude Code from a capable tool into a personalized technical partner over several weeks of real work.Tue, 07 Apr 2026 00:00:00 GMThttps://www.blazejmrozinski.com/blog/wp-infra-02-building-the-lemp-stack/https://www.blazejmrozinski.com/blog/wp-infra-02-building-the-lemp-stack/Step-by-step LEMP stack setup for WordPress on Hetzner VPS. Nginx tuning, MariaDB 11.8 InnoDB configuration, PHP 8.4 FPM static pools, OPcache JIT, and kernel optimization.Mon, 06 Apr 2026 00:00:00 GMThttps://www.blazejmrozinski.com/blog/building-a-brain-for-your-ai-cto/https://www.blazejmrozinski.com/blog/building-a-brain-for-your-ai-cto/AI coding assistants work well in a single repo. They fall apart across multiple projects and companies. I built a 30-document knowledge base that gives AI full context in 30 seconds instead of 15 minutes.Sat, 04 Apr 2026 00:00:00 GMThttps://www.blazejmrozinski.com/blog/wp-infra-01-why-i-ditched-managed-hosting/https://www.blazejmrozinski.com/blog/wp-infra-01-why-i-ditched-managed-hosting/I moved my WordPress and WooCommerce sites from managed hosting to a Hetzner VPS. Full walkthrough of server provisioning, SSH hardening, and firewall setup on Debian 13.Wed, 01 Apr 2026 00:00:00 GMThttps://www.blazejmrozinski.com/blog/seo-architecture-before-first-visitor/https://www.blazejmrozinski.com/blog/seo-architecture-before-first-visitor/Most founders optimize for search after publishing. I built IndexNow, multi-sitemaps, JSON-LD knowledge graphs, and consent-aware analytics into my site before it had a single visitor. Here's why SEO should be architecture, not afterthought.Wed, 25 Mar 2026 00:00:00 GMThttps://www.blazejmrozinski.com/blog/personal-site-as-product/https://www.blazejmrozinski.com/blog/personal-site-as-product/Most personal websites are abandoned brochures. I built mine like a product in 5 days with 70+ commits, typed content schemas, structured data, and an automated asset pipeline. Here's what product thinking changes about a personal site.Mon, 16 Mar 2026 00:00:00 GMT