What canonical tags do when you get them wrong
Canonical tags are hints, not magic. When they point to the wrong URL, search engines may index the wrong page or drop the right one.
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Canonical tags are hints, not magic. When they point to the wrong URL, search engines may index the wrong page or drop the right one.
A practical guide to noopener, noreferrer and nofollow: what they change, when to use them, and what they do not fix.
A practical guide to preload, prefetch and preconnect: what each hint does, when it helps, and when to leave it alone.
ICO, PNG and SVG all still matter for favicons. Here is the practical set most modern sites should ship.
A practical guide to using aria-label, aria-labelledby, and aria-describedby without making screen reader UX worse.
Alt text has become routine enough that most teams now add it automatically—and badly. Here's what makes alt text genuinely useful in 2026.