Full screen presentation mode.
JavaScript Error Detection.
Simulates the iOS Web Browsing Experience (iPad and iPhone).
Perfect for presentations.
Test local and remote Web pages.
No 3rd party dependencies, a standalone compact (15mb) installer.
Works great with jQuery Mobile and other top Mobile Web JavaScript Libraries.
Zoom in and out on device content and device chrome.
Toggle Browser Chrome to approximate the experience of Web Apps added to the iOS home screen.
Test iOS detection on your Web site with full iOS user agent string simulation.

Instant access to all browsers across platforms. Forget clumsy virtual machine & mobile setup. Save time & money.

At UX Week 2010, Facebook Product Designer Adam Mosseri gave a presentation called Data Informed, Not Data Driven. It’s an excellent talk and Adam gave some really good examples demonstrating how data-driven design can take you into “local maximum”, which is essentially a design cul-de-sac caused by a blinkered over-emphasis on Analytics and MVT.

Fear not, because there are some handy tools available at your disposal for making sure that your website renders appropriately on the Mobile Web. This article shares and discusses 10 such tools.

Our A/B Test Calculator makes it easy to find out when one of your test variations has won the test. To analyze your test, enter the number of visitors and number of conversions for each of your split test variations and click the "Calculate" button.

A split test variation can be declared a winner when it’s statistical significance (confidence level) is above 90%.

In summary, I would recommend Cufón for headings, with the warning that links may not display as nicely as you’d like. @font-face is promising, but the lack of available fonts really limits you. I really like Typekit, and I already use it for my personal blog.

'cuz there are a zillion pages to check

The patterns and examples on this site help you create websites the color blind can use without problems.

Online Regular Expression Testing Tool

DeviceAnywhere is the source for mobile application testing and mobile application development. The award-winning DeviceAnywhere is a revolutionary service providing a comprehensive set of end-to-end solutions for the mobile development lifecycle. With the world’s largest phone bank, DeviceAnywhere provides instant remote access to more than 2000 real devices on over 30 different carriers, available on live global networks.

Start a usability test for your web project in two minutes. Submit questions about your site and receive up to ten responses from our reviewers. The cost is $7.

In conjunction with the Beta 1 release of Internet Explorer 8, we’re posting a set of tests we are using to validate our interpretation and implementation of the CSS 2.1 specification. We’re doing this so we can get some feedback from you, the web designers and developers, on the tests we’ve submitted to the W3C for inclusion into the W3C’s CSS Working Group Test Suite.