Notes & insights
Personal testimonies and notes on faith, life experience, web development, performance, and technical leadership.
A practical zero-downtime migration checklist for WordPress and custom sites: staging sync, DNS TTL, SSL, redirects, search-replace, and post-cutover verification.
Why Time to First Byte kills PageSpeed on Indonesian sites, how to measure TTFB, and what to change in hosting, PHP, caching, and CDN before frontend micro-optimizations.
A practical guide to schema markup for Indonesian business sites: Organization, LocalBusiness, FAQ, Article, and how to validate JSON-LD without overdoing it.
How to fix heavy images that kill mobile PageSpeed: WebP/AVIF, responsive sizes, compression, lazy loading, and LCP hero rules for WordPress and custom sites.
A practical go-live checklist for business websites: DNS, SSL, redirects, analytics, forms, backups, and PageSpeed checks before handing a project to the client.
A practical Cloudflare setup guide for business sites: DNS, SSL, caching, WAF basics, and the settings I enable before go-live on client projects.
Lessons from migrating a personal WordPress blog to Astro: faster loads, simpler hosting, bilingual routing, and what to keep from the old CMS workflow.
Case study of kusenkaca.com: building an aluminium and glass service site focused on mobile conversion, project credibility, and local service SEO.
Case study of slanusra.sch.id: building a school website for limited connectivity—mobile-first, lightweight pages, and fast access on slow networks.
Case study of vacsonline.org: a school website that was frequently down, hard to access, and malware-infected—then rebuilt for security, uptime, and speed.
A practical guide to raising PageSpeed scores: LCP, INP, CLS, image strategy, caching, and high-impact fixes first.
Notes on web development, performance, technical leadership, and delivering reliable digital products.
A practical WordPress checklist covering plugins, themes, caching, images, database hygiene, and technical SEO without making the site hard to maintain.
Practical CodeIgniter REST API patterns: endpoint design, authentication, input validation, consistent errors, and baseline performance.
A developer-focused technical SEO guide covering titles, canonicals, headings, sitemaps, Core Web Vitals, schema, and common ranking-hurting mistakes.
A practical Laravel vs CodeIgniter comparison for client work: delivery speed, complexity, team fit, maintenance cost, and a clear decision checklist.
