Litmus provides cross-browser page testing in addition to user email previews. Just give litmus a URL and they'll show the users how it appears in popular web browsers. Litmus now goes beyond screenshots, it also tests interactively with real email clients and previews the user's emails in real-time.
You may have noticed sometimes that a website doesn’t work in one browser but does so perfectly in the other. The reason for this is that websites aren’t magically compatible with multiple browsers, they have to be checked andCross Browser Testing Tools
Testing multiple browsers on multiple platforms isn’t just difficult — it can be virtually impossible without the correct resources. However, there are tools that let you comprehensively test your website, and check if itCross Browser Testing Tools