Tests by ORGANIZATION@1 on NUMBER@1 September NUMBER@2 showed that NUMBER@3 was about twice as fast as Firefox NUMBER@4 and the WebKit nightlies -LRB- of which Safari is a lightly modified version -RRB- .

Tests by ORGANIZATION@1 show that NUMBER@3 is about twice as fast as ORGANIZATION@2 NUMBER@5 and the Safari NUMBER@6 beta .
