Smaller is a powerful HTML, CSS and JavaScript compressor on OS X which also has the ability to combine several files into one. Compress your files and make your websites load faster.
Checkbot for Chrome tests if your website follows 50+ web best practices that boost SEO, speed and security. Effortlessly test 1,000s of pages in minutes: uncover broken links, duplicate content, invalid HTML/CSS/JavaScript, insecure pages, performance killing redirects and more. Free while in beta! Try Checkbot now and share your feedback. 😄
PageSpeed Ninja is an all-in-one WordPress performance plugin helping you to fix WP page speed issues easily with one click to get as close to 100/100 as possible. PageSpeed Ninja includes numerous advanced optimization features like above-the-fold critical CSS generation, fixing render blocking assets, browser & server-side caching and much more.
Test your website's speed across 18 locations at once. With 3 locations added for China, you can now see how fast (or slow) your site loads for China's 800 million internet users. For more detailed insights, dig into Chinafy's full suite of free performance tools.