After all, you think it's interesting, so it's a good bet that there's other folks who think so, too. Building a good set of Web pages means putting some of yourself into your Webspace. Don't use reports of your browser's popularity as an excuse for invalid, exclusionary, non-HTML markup tags. There's actually a fairly complex set of statistical reasons why these reports are inherently suspect and statistically invalid . The reason it's irrelevant is that there are literally dozens of versions of these two programs floating around out there.
Web clients are unpredictable, idiosyncratic, and buggy.
Structuring your pages to accommodate or exploit browser quirks is a fairly spectacular example of letting the tail wag the dog. Fast-loading pages make for happy Websurfers. Most folks' biggest beef about the Web is piggish, slow-loading pages. There are two key elements to building fast-loading pages. One is to build relatively small pages, and then use hyperlinks to connect these smaller pages into a larger Website.