Just integrated Oomph, a javascript Microformat Overlay into mojoPortal. You can watch the PDC presentation about Oomph from this page https://sessions.microsoftpdc.com/public/timeline.aspx, click Day 3 then click Oomph and you can see the video links at the bottom.
Microformats are a way of marking up information in html using some agreed upon conventions that add semantic meaning to the markup. For example hcard, is a format for marking up contact information. What Oomph does is recognize the hcards and hcalendar items in your page and creates a javascript widget in the top left of the page that gives you some neat options for adding contact to your Yahoo Contacts, adding events to your googe calendar, showing event and contact locations on a map using Virtual Earth, etc. Pretty neat stuff. You can see it in action on our consulting list, where I've marked up the content using hcard format. The list view feature of our Event Calendar Pro add on product also renders in hcalendar format so events can show up in the oomph widget. I've shrunk my browser window down a bit to make a screen shot of the widget below but for best impressions try it yourself.
Other Developments
I always like to dogfood new features here on mojoPortal.com to work out any issues, so this site is runnning the very latest code from my sandbox.
At the moment I'm also testing some performance optimizations that I just integrated into mojoPortal. As we start to do more ajaxy javascript things in mojoPortal we find ourselves adding a lot of links to javascript files which adds additional http requests to our page. So I've integrated some work by Omar Al Zabir, that he has made available in the very cool Dropthings project. This combines most of our javascript files into one request and moves the javascript to the bottom of the page to improve performance.
A similar issue exists for css files in the skin. We like to organize css into separate files based on logical things from a development perspective, but from a performance perspective we'd like to have only one link to an external css file. I implemented a solution for css files based on some of the techniques I learned from Omar's work. It combines all the css files and minifies them as well using Michael Ash's C# implementation of the YUI Compressor. So far it seems to be working great and I haven't noticed any side effects or problems.
These new feature is only in my sandbox at the moment but will be in svn trunk within a few days.
UPDATE 2008-11-03
Just discovered that moving the javascript to the bottom broke usage of NeatHtml in the forums. Luckily I have Web.config setting to disable the javascript combiner so I have fixed it on this site while I investigate a solution. There is an option that Omar implemented to add a "pin" attribute to any script that you don't want to combine or move to the bottom. The problem is I don't believe that is a valid attribute and it will break xhtml validation to use it, so I will have to find another solution.
UPDATE 2008-11-04
I managed to get a solution to pin some scripts without breaking xhtml validation, so now on this site I'm testing combined scripts again and so far so good.