You have a few options:
1. click to play - depending on the browser you're using, there may be a setting to not load any plugins unless you want it to on that page. Here's an example for firefox. http://phys.org/news/2013-01-firefox-click-to-play-plugin-plague.html and https://blog.mozilla.org/security/2012/10/11/click-to-play-plugins-blocklist-style/
2. adblock - depending on your browser, you may find a browser extention that will block advertisements.