That's because the website displays differently on mobile devices. We see an actual progress bar on computers, but it only displays a number for the percentage completed when viewed on mobile browsers. This exploit requires a computer. They list the computer requirements and USB cable and they have links for Linux, Windows and Mac versions of the jailbreak program.
You may have some type of security program or something installed that's blocking the site. I'd try disabling all of that temporarily because you won't be able to jailbreak until you can get it to load on a computer. Try rebooting first.
If theyve said today its probably b around 12. i am away at a conference all day Wednesday until Friday night so ill b too knackered to do anything when I get back Friday. I won't have my laptop with me either!