css - migration from html4 to html5 -

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i have application developed in vs2005 , html4. first of question is, there tool migration html4 html5.

my plan first select html5 dropdown available in vs2012 change doctype definition master page <!doctype html> , fix warning replace cell padding padding , etc.

does these steps sufficient in order convert application in httml5?

are these steps sufficient in order convert application in html5?

in short, yes, that's pretty it.

html5 explicitly designed backward compatible html4; there little should need change apart doctype.

there few things aware of, might need changing:

  • a few older html tags have been deprecated in html5. can't use things <blink>, <marquee> or other awful things that. weren't using them anyway though?

  • also attributes have been deprecated, in favour of using css instead. if you're using width or height or color attributes in html tags, should replace them css. same applies <font> tag; use css define fonts , font sizes instead.

  • there various new tags in html5 may want use. these tags <section> , <footer>, designed make site's code more readable search engines. don't have use them; entirely optional. note ie8 , earlier don't support them unless use javascript hack, if need support ie8, may best not use these tags. can still use html5 doctype in ie8 though.

you might find useful read official documentation w3c details differences between html4 , html5. read here: http://www.w3.org/tr/html5-diff/


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