Guides
The questions behind the tools — how long a speech really runs, what makes a password strong, why JSON refuses to parse. Written to be read, not skimmed.
How many words is a 5-minute speech?
Word counts by speech length, why the number shifts, and how to time your own delivery.
6 min read
Password strength: what entropy actually measures
Bits of entropy, real cracking times, and why P@ssw0rd! fails despite ticking every box.
8 min read
Why your JSON won't parse
Trailing commas, comments, smart quotes and the other usual suspects behind a parse error.
7 min read
Color contrast for accessibility
WCAG thresholds, what counts as large text, and how to repair a failing palette without wrecking it.
7 min read
URL slugs: what actually matters
Hyphens versus underscores, sensible length, stop words, and changing a slug without losing traffic.
6 min read
Unix timestamps explained
Epoch time, the seconds-versus-milliseconds trap, leap seconds and the 2038 problem.
6 min read