PlaybookUX is a powerful user testing tool to get video based feedback from your target demographic on websites, prototypes, concepts and more. Gain access to participants from over 50 countries. PlaybookUX supports both moderated and unmoderated studies.
Website Grader - Grade your website's strengths and weaknesses in seconds.
UserTesting.com - Usability testing has never been easier. Get videos of real people speaking their thoughts as they use websites, mobile apps, prototypes and more!
Checkbot - Checkbot will boost the SEO, speed and security of your site by checking you're following 50+ web best practices. Browser extension with free and paid plans.
Userbrain - Easy, fast, and affordable user testing for websites and prototypes.
PageSpeed Ninja - One-click page speed boost for WordPress
Userfeel.com - Unleash your site's or app's potential with remote usability testing. Results in less than 24 hours. Test on any device with our testers supporting 40 languages!