The GG Network blog — page 17
Free lessons that leave you a little sharper every visit — plus deep guides to the professional tools. Knowledge shouldn't sit behind a paywall.
Counting weekdays between two dates is exact arithmetic. Deciding which days are the weekend, and which holidays you observe, is not something any date can tell you.
The difference between two cities' clocks changes during the year, because daylight saving starts and ends on different dates in different places and runs the opposite way south of the equator.
Four lines go in your head and they have four different jobs — one of which is nothing. The keywords tag stopped being read by the major search engines many years ago.
JSON-LD tells a machine what a page is. It does not raise anything by itself — what it can do is make a result eligible for a richer presentation, and only if it matches what a reader can see.
The cut-off is a width in pixels, not a count of characters — so a line of wide letters runs out sooner than a line of narrow ones. Front-loading beats hitting a number.
Flesch counts sentence length and syllables, and calls that difficulty. It is a proxy — a text can score beautifully and still be incomprehensible.
The best-known number in fitness was never a precise result, and people of the same age genuinely differ. What the arithmetic gives you, and what no arithmetic can.
Two standard formulas agree exactly at ten reps and then pull apart fast. The arithmetic, and why an estimate from a high-rep set is worth much less than one from a low-rep set.
Minutes per kilometer, kilometers per hour and total time are the same fact rearranged. The conversions worth carrying in your head, and why small pace changes compound over distance.
The number comes from a MET value, a population average for an activity, multiplied by your weight and your minutes. What each part means, and why the output is a scale rather than a measurement.
Nothing the policy refuses announces itself, and a local server that sends no policy at all will look perfect right up until you deploy.
Framing, MIME sniffing, referrer leakage and forced HTTPS — four narrow jobs. Worth doing, and worth knowing exactly how narrow each one is.