This article shows three common patterns which escape to needless serialization and ensure parallel downloads. Parallel down load is faster then serial. A group of newer browsers set up bottlenecks.

Although hand coding is demandable in web design & development projects but can’t fulfill every requirement of clients. Another created trouble is that huge fancier and finer features are available those does not support universally by web browsers.

If web designers can’t put the right CSS code in their web projects then the final result may appear differently in different browsers such as it may be perfect in Internet Explorer but may not be perfect & sharp in images position on the screen in Firefox, Opera or Safari and vice versa.

Tim Berners-Lee is the real claimer of inventing the W3C who developed at first web browser back in 1989 and many organization owners constructed the consortium encouraging the standardization of the technologies applied on the WWW (World Wide Web).