Browser extension into pages. Researchers have identified 50,870 Google Chrome extensions and 34,407 programs that injected ads. Thirty-eight percent of extensions and 17 percent of programs were catalogued as malicious software, the rest being potentially unwanted adware. Browser extension A browser extension is a plug-in that extends the functionality of a web browser. Some extensions are authored using web technologies such as HTML, JavaScript, and CSS. Others are developed using machine code and application programming interfaces (APIs) provided by web browsers, such as NPAPI and PPAPI. Browser extensions can change the user interface of the web browser without directly affecting viewable content
SlipKnot (web browser) Brooks set out in April 1994 to create a fully graphic, multifont web browser for home PC users. SlipKnot version 1.0 was completed and released as shareware in November 1994, thus making it the first purchasable browser on the market. Its name is a play on the term slip knot (a type of knot) against SLIP (Serial Line Internet Protocol) -- an early version of TCP/IP over modem lines—and not after the fact that, unlike Mosaic and Netscape browser offerings, a SLIP connection was not necessary to view graphical web content. SlipKnot was given the Best Communications Shareware Program of