See also the first part of this post.
The pages are a series of GIFs created in an external editor, presumably Cebratext. The Java seems to be a small link applet which quickly loads pages into the cache.
It's a personal website with some appealing art (shown in the screenshots above). An integral part of this is conveying the weather in his home town in the form of graphs, images and maps.
Overall I really like this site. It's no-nonsense pure teletext homage, modified for the modern browser. Lots of inspiration I can take for my project - it's funny how 'outsider' teletext art is often the most impressive.
Here is a website with links to teletext services around the world.
Here is another small piece of teletext art created by Tom Moody, made with Cebratext.