1. Decisions, not options.
Daryl Koopersmith, WordPress Core Developer
@darylkoop | darylkoop.com | hello@darylkoop.com

2. “
There is never a single
right solution.
A K I N ’ S T W E L F T H L AW
O F S PA C E C R A F T D E S I G N

3. “
There is never a single
right solution. There are always
multiple wrong ones, though.
A K I N ’ S T W E L F T H L AW
O F S PA C E C R A F T D E S I G N

6. Heuristics

7. “
I always say
don’t make plans,
make options.
— JENNIFER ANISTON

8. “
ONLY IN
I always say
ROMANTIC
don’t make plans,
make options.
COMEDIES— JENNIFER ANISTON

9. Decisions, not options.

10. “
Everything should be made
as simple as possible.
OCCAM’S RAZOR

12. “
It can scarcely be denied that the supreme goal
of all theory is to make the irreducible basic
elements as simple and as few as possible
without having to surrender the adequate
representation of a single datum of experience.
— ALBERT EINSTEIN

13. “
Everything should be made
as simple as possible,
but no simpler.
— ROGER SESSIONS

14. SECURITY

15. “
If a plugin is insecure,
it doesn’t matter what
it’s supposed to do.
—MA R K JAQ U I T H

16. READABILITY
ABSTRACTION

17. “
Sacrifice DRY for readability.
CHANGESET 15795

20. CONSIDER THE
ECOSYSTEM

21. UX

22. Humanize your application.

24. DESIGN FOR THE
MAJORITY

26. audience
know your

27. temptation

29. ≠ HIBERNATE

30. “
Premature optimization
is the root of all evil.
— DONALD KNUTH

32. the balancing act

33. TECHNICAL
DEBT

34. we are fallible

35. “
In the presence of good rationale,
maintainers should be willing to
change their mind often.
— H AV O C P E N N I N G T O N

36. “
Nothing is sacred.

37. “
Nothing is sacred except
that nothing is sacred.

38. Step back.

39. Think it through.

40. Make good decisions.

41. Make good decisions.
Daryl Koopersmith, WordPress Core Developer
@darylkoop | darylkoop.com | hello@darylkoop.com
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