Bui Van Dat - Build notes https://buivandat.com/blog/ Web data, WordPress, AI agents, and running online businesses as a solo founder. en Sat, 17 Oct 2026 04:24:29 GMT 17 Checks Every AI-Written Article Should Pass Before It Goes Livehttps://buivandat.com/blog/ai-content-quality-checks/https://buivandat.com/blog/ai-content-quality-checks/Sat, 10 Oct 2026 00:00:00 GMTThe nightly audit I run on 1,581 AI-assisted articles: technical SEO, data accuracy, broken pieces, and the style tells that make AI content look careless.admin@buivandat.com (Bui Van Dat)AI & AutomationAI contentcontent QAtechnical SEOautomation How I Automated a Twice-Daily News Video With Python, ffmpeg, and Local Text-to-Speechhttps://buivandat.com/blog/automated-news-video-python-ffmpeg-tts/https://buivandat.com/blog/automated-news-video-python-ffmpeg-tts/Sat, 10 Oct 2026 00:00:00 GMTA pipeline that reads 22 sources, has an AI editor pick and fact-check stories, then renders a narrated video with karaoke captions at no per-video cost.admin@buivandat.com (Bui Van Dat)AI & AutomationPythonffmpegtext-to-speechautomationAI news Build vs Buy: Why I Wrote My Own WordPress Theme and Pluginhttps://buivandat.com/blog/build-vs-buy-wordpress-plugin/https://buivandat.com/blog/build-vs-buy-wordpress-plugin/Sat, 10 Oct 2026 00:00:00 GMTA 10-site license became a ceiling, so I built a compatible WordPress plugin and theme from scratch. The decision, the design, and the security fixes.admin@buivandat.com (Bui Van Dat)WordPressWordPressplugin developmentWP-CLIbuild vs buy Claude Code for Solo Founders: What I Actually Ship With Ithttps://buivandat.com/blog/claude-code-for-solo-founders/https://buivandat.com/blog/claude-code-for-solo-founders/Sat, 10 Oct 2026 00:00:00 GMTUsing Claude Code as an engineering partner: what I built with it, how I use memory, skills, and subagents, and the rules that keep it honest.admin@buivandat.com (Bui Van Dat)AI & AutomationClaude CodeAI codingsolo founderdeveloper tools Google Tag Manager Was Most of My Total Blocking Time. Here Is the Fix I Am Testinghttps://buivandat.com/blog/google-tag-manager-total-blocking-time/https://buivandat.com/blog/google-tag-manager-total-blocking-time/Sat, 10 Oct 2026 00:00:00 GMTGTM and GA4 caused about 90% of mobile Total Blocking Time on my sites. One page went from 898 ms to 48 ms. How I delay tags safely, and the trade-offs.admin@buivandat.com (Bui Van Dat)PerformanceCore Web VitalsGoogle Tag Managerpage speedWordPress performance Hosting 8 WordPress Sites and 7 Apps on One VPS With Dockerhttps://buivandat.com/blog/host-multiple-wordpress-sites-one-vps-docker/https://buivandat.com/blog/host-multiple-wordpress-sites-one-vps-docker/Sat, 10 Oct 2026 00:00:00 GMTHow I run 8 isolated WordPress sites and 7 apps on one 6-core server: container layout, memory limits, Cloudflare, nightly security checks, and pitfalls.admin@buivandat.com (Bui Van Dat)EngineeringWordPress hostingDockerVPSCloudflareDevOps Measure Before You Optimize: 5 Experiments That Did Not Workhttps://buivandat.com/blog/optimization-experiments-that-failed/https://buivandat.com/blog/optimization-experiments-that-failed/Sat, 10 Oct 2026 00:00:00 GMTBrotli that made pages 6x heavier, IPv6 rotation that got a whole /64 blocked, and three more ideas that sounded smart. Real numbers from a crawler.admin@buivandat.com (Bui Van Dat)Engineeringperformanceweb scrapingbandwidthengineering lessons From Internal Tool to Paid Product: Pricing a Data API From Real Costshttps://buivandat.com/blog/pricing-a-data-api-from-real-costs/https://buivandat.com/blog/pricing-a-data-api-from-real-costs/Sat, 10 Oct 2026 00:00:00 GMTHow my internal crawler became the DatPilot Data API: cost per request, prepaid packages, refunds for failures, and free credits without abuse.admin@buivandat.com (Bui Van Dat)Building in PublicSaaS pricingAPI productDatPilotbootstrapping How I Run 8 Niche Websites as a One-Person Team With AI Agentshttps://buivandat.com/blog/run-8-websites-solo-with-ai-agents/https://buivandat.com/blog/run-8-websites-solo-with-ai-agents/Sat, 10 Oct 2026 00:00:00 GMTThe pipeline behind 1,581 articles on 8 sites: keyword plans, live product data, LLM drafts, nightly audits, and one human who owns the rules.admin@buivandat.com (Bui Van Dat)AI & AutomationAI agentssolo foundercontent operationsautomation Building a Self-Hosted Web Scraping API: Lessons From 14,000 Requests a Dayhttps://buivandat.com/blog/self-hosted-web-scraping-api-lessons/https://buivandat.com/blog/self-hosted-web-scraping-api-lessons/Sat, 10 Oct 2026 00:00:00 GMTWhy I replaced a paid scraping vendor with my own crawler, how it measures success honestly, and what 14,190 requests taught me about cost.admin@buivandat.com (Bui Van Dat)Engineeringweb scrapingAPIPythonFastAPIdata engineering A 51-Point WordPress Website Checklist: Speed, Security, SEO, and Legalhttps://buivandat.com/blog/wordpress-website-checklist-51-checks/https://buivandat.com/blog/wordpress-website-checklist-51-checks/Sat, 10 Oct 2026 00:00:00 GMTThe checklist behind my free WordPress inspector: 9 speed, 12 security, 20 SEO, and 10 legal and email checks, with why each one matters.admin@buivandat.com (Bui Van Dat)WordPressWordPresswebsite auditsecurity checklisttechnical SEOpage speed Why I'm Building AI-Native Software for Entrepreneurshttps://buivandat.com/blog/why-we-build-ai-native-software/https://buivandat.com/blog/why-we-build-ai-native-software/Wed, 07 Oct 2026 00:00:00 GMTHow running content websites turned me into a software builder, why I founded DatPilot, and what this blog covers: build notes and real numbers.admin@buivandat.com (Bui Van Dat)Building in PublicDatPilotsolo founderAI agentsbuilding in public