If you have a low cost PC or laptop then it will be difficult for you to run various task at the same time, and system may use lots of resources. It isn't only the apps that will slow down your PC, there are many websites which show video and flash advertisements, which also uses too much CPU, Memory, and drains battery. Source: Flickr YouTube, one of the most popular video sharing site, streams videos in VP8/VP9 codecs by default. Unfortunately, it isn't the best option if you're looking for hardware accelerated videos codec. H.264 or MPEG Part 10 is a most popular video coding format optimized for smooth playback on the less powerful system. Google it, if you want more information about this format. You can use Adblock to get rid of irritating advertisements. For YouTube, h264ify claims to stream the videos in H.264 format, which reduces CPU usage. Follow the following steps to download and install this extension on your Google Chrome or Mozilla Firefox. Hea...