2 docs tagged with "csp"

Learn the HTML style element: how to write CSS directly inside your page, when that is better than an external file, how the order of rules decides which one wins, and how a Content-Security-Policy can block inline styles. Includes a live CSS editor, a cascade-order lab, and a real CSP experiment.

Learn how to keep a page safe when it embeds content you did not write: the risks of scripts, iframes and widgets, Content-Security-Policy, Subresource Integrity, iframe sandbox, Permissions-Policy, referrer and link rules, consent and privacy, click-to-load, auditing, and incident planning, with live demos.