With Sleipnir, you can configure to suit your individual needs and create your ideal browser by changing the design, skin, and visual appearance. You can also add custom functionality to Sleipnir with a wide range of plugins and user scripts. Features The ultimate in browser customization Sleipnir is designed to be completely customizable, and to be responsive to user expectations. Sleipnir is designed to maintain the same level of high performance no matter how much you customize it. Record popularity in Japan We have spent years optimizing and perfecting the performance and user interface of Sleipnir, and, as a result, we have an overwhelming share of the browser market. Sleipnir　 - the browser with a history of quality and performance. Fast Plug-ins and great performance No matter what plug-ins you decide to use, Sleipnir is designed to maintain the same high　level of performance and responsiveness. It has been developed especially for Windows with performance in mind. Completely customizable You can change almost all functions as you want to. Customization may sound difficult, but it is actually very easy to understand and quite intuitive. With Sleipnir, you can easily change and customize almost any aspect of the browser. Even beginners can have a customized web-browsing experience with minimal effort. Make browsing easier with tabs! Users have come to expect their browser to support tabbed browsing, and Sleipnir has been designed from the ground up to provide the ultimate tabbed-browsing experience. With its advanced Window-View and Thumbnail functionality, Sleipnir is a breeze to use no matter how many tabs you have open. Perfect pages with the Industry-Standard Trident Engine The vast majority of websites are designed for optimal viewing in Internet Explorer. Sleipnir uses the same Trident rendering engine as Internet Explorer, so it will display just about any web page perfectly.