Summary: <p>There are many tools for showing you screenshots of websites in different browsers to help with testing. But a screenshot is lacking in so many ways: no clicking, no hovering, no typing, no resizing, no testing JavaScript or other interactive elements, nothing. Real cross-browser testing means opening those websites in real live browsers. Some people use virtual machines to do that testing, but that can be resource intensive in more ways than one. </p> <p><a href="http://www.browserstack.com/">BrowserStack</a> is the holy grail of cross-browser …</p>
