Microsoft's browser has been in a state of slow decline, but without having a strong tablet contender, the browser is losing popularity in favor of Chrome, Firefox and Safari. Microsoft's current market share for browsers is 49.6%. Safari makes up 62.17% of mobile web traffic, according to Netmarketshare.com. For desktops and laptops, Firefox is the runner up to IE with 21.20% of traffic--followed Google Chrome and Safari.