META Tags
Invisible elements in a Web page that contain information about a Website's content and keywords. Search engines use META Tags to gain information about a Website. (see Keyword & Tag)

Noninterlaced
A noninterlaced GIF downloads one line a time, starting from the top. (see GIF & Interlaced)

Online
Being connected to the Internet via an ISP. Used as an adjective, it describes a variety of activities that users do on the Internet, for example: online chat, online shopping, online games, online searching, online communities, etc.