Capable of inserting images, links, files, tables, etc.

具有嵌入图片，链接，文件，表格等等功能。

youdao

Kissmetrics was inserting supercookies into users' browser caches and into files associated with the latest version of the standard programming language used to build Web pages, known as HTML5.

WSJ: Latest in Web Tracking: Stealthy 'Supercookies'