The Acid3 Test is a test that checks if your web browser is good. It checks the web browser's compliance with elements of various web standards. Here is the link:
http://acid3.acidtests.org/. Just click on the link and look which score your browser get. The score to pass the test is 100/100.
SRWare Iron 13.0.800.0 passes The Acid3 Test:
But SRWare Iron 18.0.1050.0 don't pass the test:
Someone knows why the latest version of SRWare Iron for Windows don't pass The Acid3 Test?