When opening a new tab, it’s the end of the blank page with a grid in place with miniatures of the most recent and frequently used. This page is configurable with the ability to rearrange sites by dragging and dropping, to pin a site or delete it. Top right, a button to show or hide the new tab page. Other changes found in Firefox beta 13, the tabs that are not loaded by default during a restore to optimize the startup time, smooth scrolling (scrolling for a fluid) which is enabled by default. Another is the default activation of SPDY to accelerate the display of pages in that sites support this protocol that compresses HTTP headers. SPDY figure also all communications with SSL.