As you are posting here, I assume you are trying to access the site with the standard browser on the HP Pre3.
As you may be aware, these devices are aging and so is the included browser. We eagerly await the new ISIS browser that will use a new system and be up to date with current web standards.
However, your problem may be a simple one. It seems that the website is confused about if you are logged in or not, so you can try to 'reset' things.
I would suggest you log out of the site and try logging back in.
If that doesn't work, swipe down from the top left and select 'preferences' from the menu.
You may want to set all the slider buttons to 'yes' or 'on' to ensure nothing that the website uses to operate is blocked.
Try logging in again. If that fails, log out, return to the menu and try clearing the cookies. This might cause other sites to stop 'remembering' you, but you'll probably just need to log in to them again also. It's up to you. You could also try closing and reopening the browser to ensure the changes are made.
If that fails, try clearing the cache also - this is all the stored web pages. Again, it's up to you, but this should 'refresh' the pages when you return to the website. Close and open the browser again to be thorough.
If none of that works, then it's possible the website is using code that doesn't work with your browser. You do not state if this happened on your first visit to the site or whether it has worked OK in the past and the problem is new, so only you know if it SHOULD work. If you are still stuck, you should try another device to check if the device or software is the problem or if the problem is with your website profile.
EDIT: Or maybe it's just this: "Universal Jobmatch will be unavailable Saturday 21 September from 5am to 12:15pm."