Analysis of information sources in references of the Wikipedia article "Browser wars" in English language version.
In such an increasingly heterogeneous environment, testing each web page in every configuration is impossible. Coding to standards is then the only practical solution.
Over the past decade, a lot has changed: Mobile devices now outnumber traditional PCs, and the desktop browser has become much less important than mobile web clients and apps. Apple's mobile Safari and Google's Chrome are now major players, Mozilla is in a time of major transition, and Microsoft is still paying for its past sins with Internet Explorer.
And in 2014, all those players seem to have dug into well-entrenched positions.