How do i know my doctype

Internet Explorer version 6 has a problem with that—this causes it to switch into Quirks mode, and as I explained earlier you most likely do not want that. The probability of all that happening all at once is quite slim, so the easiest way to solve the Internet Explorer problem is to simply omit the XML declaration. Always include one of the doctypes mentioned here as the very first thing in all of your HTML documents. It will make sure that validators know what version of HTML you are using, so they can correctly report any mistakes you have made.

It will also make sure that all recent web browsers use their Standards mode, which will give you more consistent results when you are styling the document with CSS.

Jump to: navigation , search. Navigation menu Personal tools Log in. Namespaces Page Discussion. Views Read View source View history. Navigation Main Page Browse categories Recent changes. This page was last modified on 10 March , at It contained all HTML elements and attributes, but did not allow using framesets. In the example below, you can see the doctype declaration for the transitional version of HTML 4. This next example presents the doctype in the strict mode of HTML 4.

The main difference between strict and transitional modes is that this one does not contain presentational and deprecated elements:. This HTML doctype declaration also contains all elements and attributes, but no presentational and deprecated elements. However, it must be written in strict XML :. Learn to use HTML tag here! Code has been added to clipboard! Reading time 3 min. Overview of all products. Marketing Hub Marketing automation software. Service Hub Customer service software. CMS Hub Content management system software.

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