HTML URL Lab / Topic tag

Security articles

Understand the boundary before granting a page additional capabilities.

A useful starting point.

The guides in this collection focus on specific web boundaries rather than broad security promises. For an embed, choose permissions from the integration’s actual needs and inspect the origin involved. A copied snippet still needs a review in its new context.

Put the reading to work.

Choose one destination or published page to review. Follow the relevant guide, record the choices you make, and check the result in the context where a reader will encounter it. The topic guides below offer a focused checklist before you move into the full articles.

1 article to explore