At the end of this course it seems appropriate to make a few points.
I have tried to emphasise the need to stick to industry standards, xhtml, CSS etc, when coding.
This might seem irrelevant with the dominance of IE in the market place.
However this belief is mistaken for two reasons.
Internet technology is constantly changing and expanding in new and different ways.
Browsers come and go, even now the Mozilla browser is steadily increasing its market share.
From several personal experiences I can tell you nonstandard coding will come back to bite you.
When it does, you may find yourself losing hours when an initial extra few minutes of web standards coding could have avoided all the trouble.
Here are just a couple of personal examples
1. I used to add just a <p> tag at the end of paragraphs.
(Quite permissible in html v4.01, quite wrong in xhtml.)
Correcting several hundred web pages for this alone took days.
2. When investigating turning a Webbooks course into an audio presentation the audio conversion program expected current standard pages and simply could not deal with tables within tables.
This emphasised the need to use CSS and not tables for layout.
Tip: Make a habit of checking your webpages on a web standard compatible browser such as Firefox/Mozilla.
If your pages don't work or look as pretty as in IE you have probably miscoded them.