Change your browser. Many people have an older version or a well known slower browser. Updating or switching browsers may just be the boost your upload speed needs.
Got a need for speed? Find out all you need to know about broadband speeds here, including what download and upload speeds are, what speeds you get, how to get faster broadband, whether you need it and what speeds providers really give you.
Here's one of my favorites, called SpeakEasy. Just select any location and click and you will get the results at how fast your internet connection is and your upload speed too.