Web101 by Han

Technical notes on web development, AI systems, and practical software engineering.

Build logs, implementation guides, and practical explanations from real software work.

18

published notes

4

topic paths

1

author archive

Content structure

  • Problem-first technical notes
  • Code, setup, constraints, and trade-offs
  • Related notes and category paths on every article
  • Sitemap includes topic pages and article URLs

Featured implementation note

Debugging Zoho Mail Filters and Auto-Reply for a Custom Domain

A practical email setup note on debugging Zoho Mail when MX records are configured but filters, auto-reply, or contact@ custom domain behavior do not trigger as expected.

Read note
Debugging Zoho Mail Filters and Auto-Reply for a Custom Domain

Reading paths

Recent notes with stronger internal paths.

Each article now connects back to topic pages and related technical notes, so the archive reads like a structured content site.

Author and method

Written as build notes, not generic overviews.

I write about the systems I build, test, compare, or debug. The goal is to show the problem, implementation path, constraints, and what I learned from the result.