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hsts

  1. HSTS: when to turn it onHSTS: when to turn it onTurn HSTS on only after HTTPS is stable. Start with a short max-age, skip preload during moves, and leave the header off until every hostname you need is…Updated Aug 29, 2026
  2. HSTS preload is a trap until it is notHSTS preload is a trap until it is notHSTS preload puts your domain in the browser binary. Do not submit during a migration. Start with a small max-age, and treat removal as slow.Updated Aug 29, 2026