Learn · courses
Read it in order
Essays that belong together are numbered as parts of one course. Each list is the reading order; the numbers are data on the essays themselves, so a new part re-numbers the course.
The fundamentals
4 parts · 55 min totalThe review craft
3 parts · 21 min total- 1/3Reading a diff as a reviewer9 min
- 2/3Design review for engineers6 min
- 3/3Writing error messages that name the fix6 min
Performance arithmetic
3 parts · 22 min total- 1/3Why your hero LCP is a font problem7 min
- 2/3The cost of one dependency8 min
- 3/3Lighthouse is a smoke test7 min
How a build tells the truth
6 parts · 42 min total- 1/6Anatomy of a false claim8 min
- 2/6What a build cannot see7 min
- 3/6The rule that had to be first6 min
- 4/6Recorded numbers need labels6 min
- 5/6Auditing the crawl surface7 min
- 6/6Five passes over a finished site8 min
Editorial calendar
October 2026: The content-module lazy-load (bank-3 #410) · Series: shipping a design system
Written here rather than promised elsewhere — the calendar is data, and the essays it names land as essays.