Top "Web-standards" questions

Technologies for creating and interpreting web-based content which are carefully designed to deliver the greatest benefits to the greatest number of web users while ensuring the long-term viability of any document published on the Web.

Valid content-type for XML, HTML and XHTML documents

What are the correct content-types for XML, HTML and XHTML documents? I need to write a simple crawler that only …

html xml http xhtml web-standards
Is it valid to have a html form inside another html form?

Is it valid html to have the following: <form action="a"> <input.../> <form action="b"&…

html web-standards standards-compliance
Is it a good practice to use an empty URL for a HTML form's action attribute? (action="")

I am wondering if anyone can give a "best practices" response to using blank HTML form actions to post back …

forms web-standards string html
What's the difference between ISO 8601 and RFC 3339 Date Formats?

ISO 8601 and RFC 3339 seem to be two formats that are common the web. Should I use one over the other? …

datetime format web-standards
Is a DIV inside a TD a bad idea?

It seems like I heard/read somewhere that a <div> inside of a <td> was a …

html html-table semantic-markup web-standards
Is there a query language for JSON?

Is there a (roughly) SQL or XQuery-like language for querying JSON? I'm thinking of very small datasets that map nicely …

json nosql web-standards querying dynamic-queries
input type="submit" Vs button tag are they interchangeable?

input type="submit" and button tag are they interchangeable? or if there is any difference then When to use input …

html accessibility w3c web-standards semantic-markup
How does one target IE7 and IE8 with valid CSS?

I want to target IE7 and IE8 with W3C-compliant CSS. Sometimes fixing CSS for one version does not fix …

css internet-explorer internet-explorer-8 web-standards
Create a HTML table where each TR is a FORM

I'm trying to create a table where each row is a form. I want that each input is in a …

html webforms html-table web-standards
What is the proper way to URL encode Unicode characters?

I know of the non-standard %uxxxx scheme but that doesn't seem like a wise choice since the scheme has been …

unicode utf-8 character-encoding urlencode web-standards