Cloudcheck is described as 'A new and improved version of Cloudcheck for better, faster internet®'. There are more than 25 alternatives to Cloudcheck for a variety of platforms, including Online / Web-based, Android, Windows, iPhone and Android Tablet. The best alternative is Speedtest by Ookla, which is free. Other great apps like Cloudcheck are LibreSpeed (Free, Open Source), Fast.com (Free), SpeedOf.Me (Free) and nPerf (Free).
This speed test will test your Internet connection speed, including a significant amount of additional information such as latency/ping, jitter, download speed, upload speed, in order to provide you a detailed report on what type of services your connection can support.