This is a very big problem to check website on different browsers & platforms for a webmaster but now you can solve your problems with this website.
Browsershots.org have a very useful free online tool for website owner & webmasters which helps you to check your website or blog on 82 browser and how to work your site with different browses (Firefox , opera, safari, chrome , internet explorer & many others) and other operating system (Linux, Windows, Mac OS & BSD).It also shows your sites’s looks and this service is completely free for everyone. If you are a webmaster, why are you late just go Browsershots.org submit your site, select browser with which you want to check your site and see how to work your website with different browser & platform.
What is Browser Shots?
Browser Shots takes screenshots of your web design in different browsers, it is an open-source online service created by Johann C. Rocholl. When you enter your URL, add it in job queue. A number of distributed computers will open your page in their browser. Then they will take a screenshot and upload them to a central server.
Links : BrowserShots