Here is a screenshot of all 230 Wikipedia Main Pages of yesterday, shrunk to 40% size for better comparison. Texts are too small to read. It is all about page layout.
http://infodisiac.com/Wikipedia/Gallery/Gallery.htm
For a few large projects there is a comparison with earlier screenshots.
http://infodisiac.com/Wikipedia/Gallery/GalleryWayBack.htm
Enjoy, Erik Zachte