There is a better way than using an "efficient proxy".
Load up Runescape normally and in the black area right click, then left click "View Source" OWTTE, then notepad should open up. Click save as, and save it to your desktop as Runescape.htm saved as "all files". Open up the file you saved to your desktop and runescape will load up regardless of anything attempting to block it. You can copy and paste this file to any computer and the file will open normally.