Delicious the social bookmarking service flipped the switch on the new web site: delicious.com. The new Delicious is like the old del.icio.us, but it’s faster, easier to learn, and more delightful to use and to look at. 

Here’re main changes:

• Speed: The new infrastructure makes every page faster and will  keep up with traffic growth while ensuring Delicious is responsive and reliable.
• Search: The new overhauled search engine is faster and more powerful. The new search engine is also smarter, and more social: you can search within one of your tags, another user’s public bookmarks, or your social network.
• Design: The updated user interface improvizes usability with few new features (such as selectable detail levels and alphabetical sorting of bookmarks). [What’s New]