We are having a really bizarre problem on our main application aspx page. The page is fairly large. It displays several sections of summary data for a quote. These sections are actually just different user controls on the page that render the information. A fairly straight forward design approach. Many users are complaining because of the time it takes to load. We did some poking around and found that some clients loaded faster than others. A LOT faster. Like 3 seconds vs. 14.
I added in debug trace statements (log4net) to figure out how long each control and the page was taking to process to try and find a bottleneck. I then browsed to the site using an IE 7 client which takes about 14 seconds for the page to come up. As expected the tracing on the server accounts for about 10 seconds of server processing.
Now if I hit the exact same server, using a different client (IE6), hitting the exact same record etc.. the ...
Go to the complete details ...