The first occurence of the Broadband Speed Checker speed test in the Wayback Machine is September 2007.
Broadband Speed Checker is a miscellaneous speed test. The bandwidth of the results is relatively large.
This speed test is not recommended due to the time it takes to complete the test. In itself it is not such a bad speed test, but this speed test has nothing extra that makes this speed test recommended.
Broadband Speed Checker offers you to include their speed test at your website. Such a speed test has a different look and feel, which you can adjust if desired.
In the speed test overview you find all findings regarding the Broadband Speed Checker speed test.