Website Grader - Grade your website's strengths and weaknesses in seconds.
Instabug - The top apps in the world rely on Instabug for beta testing, user engagement and crash reporting.
PageSpeed Ninja - One-click page speed boost for WordPress
Bird Eats Bug - Saw a bug? Send an instant replay to engineers. It will come with console logs and everything. Developers will ❤️ you.
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.
Sentry.io - From error tracking to performance monitoring, developers can see what actually matters, solve quicker, and learn continuously about their applications - from the frontend to the backend.