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NinoGames Browser Navigation Guide: Why Back/Forward Cache Can Restore Old State Without a Reload

A developer-focused guide to bfcache, pageshow, stale-state revalidation, Android WebView history, and release testing. A Back button that feels instant can be doing much more than loading a…

  • Back/forward cache (bfcache) saves full page state in memory for instant restoration.
  • Pageshow event with persisted property helps detect if page restored from cache.
  • Selective revalidation of volatile state maintains fast navigation and up-to-date information.

What de-identified actually means, and what it does not

It is the word every data licensing conversation turns on, and it is used loosely almost everywhere. In the two places it is defined precisely, it is a test with conditions rather than a description…

  • De-identified data cannot link to specific consumers if data owner takes reasonable measures.
  • Pseudonymization separates personal info to make it unattributable without additional data.
  • Aggregate info removes individual identities but isn't same as de-identification.

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