The exact dimensions in pixels you should use to fit your web site in any screen, device or browser. Read all the facts are here. With live pixel checker. See the exact dimensions in your own browser on mac, pc, tablet, smartphone ...
Online tools for creative people: we build simple apps to help you build yours.
Sparkfly lets you test your website on multiple screens.
The Responsinator is designed to test responsive websites on different device resolutions
Build software better, together.
Visual A/B and Multivariate Testing Test anything: images, buttons, text, and CSS No need for a programmer or designer.
Optimize your conversion rate in minutes by running an AB Test, Split Test or Multivariate Testing with Optimizely!
Justinmind designs solutions to create advanced prototypes and high-fidelity simulations of mobile and Web Apps, so entrepreneurs can experience how their new applications really work before coding.
abtests.com help people test their web sites/applications and share that knowledge with others, making everyone smarter in the process.
Simple and easy online usability testing. Upload screenshots. Gather UX feedback. Improve & refine.
Verify is easiest way to collect and analyze user feedback. Verify enables you to quickly upload any screenshot or image and gather user feedback on your concept testing. Verify turns a screenshot into an interactive user test which reveals powerful insights about user behavior on your website.
The Web Developer extension adds various web developer tools to the browser.
Turn WordPress into a fully functional CMS and build awesome websites with PageLines Drag-and-Drop design platform for WordPress.
