Optimizer is a free, open-source, very comprehensive and easy-to-use system optimization tool, developed by deadmoon (hellzerg) from Greece. It supports Windows 7 and above systems, but is mainly designed for Windows 10/11. In addition, it is more suitable for a freshly installed system, and can automatically identify your Windows version and provide some specific setting items.

As one of the computer performance optimization series of tools developed by PGWARE, Throttle (another practical tool with bad name) is specially designed to speed up the Internet connections. It supports 14.4, 28.8, 36, 56K, Cable, ISDN, DSL and so on all kinds of modems, and claims to be capable of optimizing your Internet connection speed to 200% or higher.

Image files often contain some unnecessary information (such as comments, EXIF tags, color profile, etc.). The image quality does not have any change after removing them, yet this can achieve the purpose of 'weight loss' to image file. And finally that will improve the image loading speed and take up less disk storage space.

In fact, the features of most computer cleaner or repairer are pretty much the same, quite often the biggest difference is only the design on UI and usability. While PC Cleaner Pro's significant characteristic lies in it online database updating in real time, so it can continuously expand and improve its ability of detection and repair.

For some webmasters or web designers, most often they need to make the webpage image smaller, in order to get a faster network transmission (faster page loading and faster image downloading) and the corresponding lower bandwidth bills.