Safari Browser Not All It's Cracked Up To Be

I wanted to take a minute today to address some issues I've been having with my iMac's browser Safari. Before I launch into a couple of issues, I want to say that other than these issues, I prefer Safari over the other browsers that I have used, but do have a couple of qualms. My primary issue with the Safari browser is the inability to job search effectively via Safari. If you have applied for work online, you are familiar with ultipro and other employer applications that require specific plug-ins etc. Unfortunately, after moving clear across the country and looking for work I was unable to apply online to a number of jobs that I would have liked to, instead I had to apply via email and snail mail. This was a bit frustrating at first, but eventually I downloaded FireFox so it isn't really an issue at this point.

Secondly, it is frustrating when you want to play a video you find online and you are unable to due to the aforementioned plug-in issues as well as your browser always wanting to run Quicktime. Don't get me wrong, I love the system and am only really beginning to understand it. 

All in all, I really enjoy the iMac as well as the O.S., but I really feel like Safari could be better, and who knows it probably is and I'm just using it wrong. If you know anything about how to increase the effectiveness of Safari, feel free to drop a comment here as it would be greatly appreciated.