1. Data URIs

    Method of embedding images and other files in webpages as a string of text, generally using base64 encoding.

  2. TLS 1.2

    Version 1.2 of the Transport Layer Security (TLS) protocol. Allows for data/message confidentiality, and message authentication codes for message integrity and as a by-product message authentication.

  3. data url scheme: top-level navigation blocked to data:// uris

  4. svg element: use: load from `data:` uri