摘要：
Blog: https://web.dev/bfcache/ bfcache is an in-memory cache that stores a complete snapshot of a page (including the JavaScript heap) as the user is 阅读全文
摘要：
Morden browser apply noopenerfor you, but for lagacy browser might not. What noopenerdoes is that, it set window.openerto null, which can prevent evil 阅读全文
摘要：
default-src "none"; script-src "self"; img-src "self" example.com; style-src fonts.googleapis.com; font-src fonts.gstatic.com; <script src="/js/app.js 阅读全文