Sailors, @jjaone test how the Sailfish OS perform in the HTML5 Test. Here’s the result the browser scored 428/ 500 holding the 5th Spot. Blackberry 10 browser at No. 1 (491/500), Followed by Chrome Browser (484/500), Opera Mobile 16 at No. 3 (471/500) and Firefox Mobile holding the 4th Spot at 462.