Web Load Speed Test - Test your website load speed from 6 locations at once
Website Grader - Grade your website's strengths and weaknesses in seconds.
Global Website Speed Test - Test website load speed from 18 cities, including 3 in China
Smaller - Make your websites load faster
Speedtest by Ookla - Measure your ISP's performance in a click
Textalyzer - Analyze text readability and SEO parameters