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
Vivaldi (web browser) of the Vivaldi web browser. Its name comes from the Italian composer Antonio Vivaldi, which, according to one of its creators, is an easy name to be remembered and understood worldwide. Vivaldi has a minimalistic user interface with basic icons and fonts, and a color scheme that changes based on the background and design of the web page being visited. The browser also allows users to customize the appearance of UI elements such as background color, overall theme, address bar and tab positioning, and start pages. According to CEO Jon von Tetzchner, Vivaldi's vast, unique customizability is a huge part