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 1  ~ w3.org
The W3C Markup Validation ServiceWorld Wide Web Consortium validator, maintained at W3C by W3C staff and collaborators. Checks the markup validity of Web documents in HTML , XHTML, 
 2  +2 w3schools.com
HTML Elements Valid DOCTYPES - W3SchoolsHTML Elements - Valid DOCTYPES. The table below lists all HTML elements, and shows what !DOCTYPE each element appears in.
 3  ~ validator.nu
Validator.nu (X)HTML5 ValidatorAn implementation of the HTML5 parsing algorithm in Java in the form of an online tool. Several presets and options.
 4  -2 validome.org
Validator Referer - HTML / XHTML / WML / XML Validation - ValidomeValidome allows Web Publishers to check their syntax with a reliable, high-speed validation service, in accordance to current official Standards. Valid code is ...
 5  +1 htmlhelp.com
WDG HTML Validator - Web Design GroupThe WDG Validator will check the syntactical correctness of your HTML to help you
 6  -1 wikipedia.org
XHTML - Wikipedia, the free encyclopediaWhile HTML (prior to HTML5) was defined as an application of Standard Generalized Markup ... 3 Semantic content in XHTML; 4 Valid XHTML documents .
 8  +18 mathiasbynens.be
The smallest possible valid (X) HTML documents · Mathias BynensI thought it would be fun to document the smallest possible valid HTML documents for each version, so here goes :) ...
 9  +14 stackoverflow.com
html5 - Google homepage not valid html - Stack OverflowI was looking at the www.google.com in Firebug and noticed ... I attended a panel at SXSW a few years ago called "F*ck Standards" which was all ...
 10  -3 totalvalidator.com
HTML / HTML5 / XHTML / WCAG / Section 508 / CSS / Links / SpellingTotal Validator is an (X)HTML validator, an accessibility validator, a CSS validator , a spell checker, and a broken links checker all rolled ... Totally Valid HTML 5.
 11  -3 netmechanic.com
HTML Tip: Why Valid Code Matters - NetMechanicof design - ignore one of the basic components of a good Web site? Many just don't how important valid HTML code is to both page display and site promotion.
 12  +89 google.com
Validity - Chrome Web StoreClick the icon in the address bar or press Alt+Shift+V to validate the current page. Results can be seen in Chrome's JS console.
 13  +6 virginmedia.com
How do I check that my Webspace HTML is valid ?In order for the pages on your Webspace to work correctly, it's important that the HTML in them is well written. Remember that HTML is a language, and if the ...
 14  -3 about.com
Validate HTML - Why Validate Your HTML - Web Design/ HTMLBy validating your HTML you are making sure that your web pages are standards compliant. Valid HTML will work on a wider variety of browsers. There are ...
 15  +34 actstudent.org
What identification will I have to show at the test center? - ACTMust be an original, current ( valid ) ID issued by a city/state/federal government agency or your school. Note: School ID must be in hard plastic card format.
 16  +6 mozilla.org
HTML5 element list - Web developer guide | MDNContrary to the HTML Element index which lists all possible ...
 17  +41 xmlsoft.org
Module valid from libxml2Module valid from libxml2 ... API for the DTD handling and the validity checking ..... In the case of HTML documents parsed with the HTML parser, then ID ...
 19  +15 japanrailpass.net
JAPAN RAIL PASS validity - JR Japan Rail PassRailways: All JR Group Railways-Shinkansen"bullet trains" (except any reserved or non-reserved seat on “NOZOMI”and”MIZUHO”trains) limited express trains, ...
 20  -3 hobo-web.co.uk
Google SEO Test | Does Google Prefer Valid HTML & CSS? - HoboWhile there are benefits, Google doesn't really care if your page is valid html and valid css. This is clear – check any top ten results in Google ...
 21  -3 iaria.org
VALID 2014 - iariaThe Sixth International Conference on Advances in System Testing and Validation Lifecycle. VALID 2014. October 12 - 16, 2014 - Nice, France ...
 22  +9 leemunroe.com
Valid (X) HTML - Is it important? - Lee MunroeAs a web designer you're encouraged to write valid code, but is it really important ? I've took a look at the reasons behind validation and checked out 25 of the ...
 23  +9 symfony.com
Valid (The Symfony Reference)With this mapping, it is possible to successfully validate an author with an invalid address. To prevent that, add the Valid constraint to the $address property.
 24  +76 typepad.co.uk
How much of the UK's HTML is valid ? - UK Web Archive blogWhat is valid HTML anyway? What do we mean by valid? ... browser software that you are using has its own opinion as to what HTML can be.
 25  +59 roojoom.com
W3C HTML valid AngularJS Directives - RoojoomUsing AngularJS directives might hurt the HTML validity checks of your web site. Here is why, and how to fix it.
 26  +74 readthedocs.org
text_to_id — Convert a word or phrase to a valid HTML ID. - Omeka Convert a word or phrase to a valid HTML ID. For example: 'Foo Bar' becomes ' foo-bar'. This function converts to lowercase, replaces whitespace with hyphens,  ...
 27  +1 breezi.com
How to Build a Valid HTML Table | Breezi How To'sIn this article, we'll explain how to build an HTML table that passes Breezi's validation test.
 28  +10 clarkson.edu
How To Make A Simple Valid HTML Document - Patty JablonskiHTML is a presentation language, a standard set of codes determining how web documents, their text, graphics, and other mutlimedia elements should be ...
 29  +4 htmldog.com
HTML Tags - HTML DogThis section contains information about all of the valid tags belonging to strict XHTML. This section will be updated and extended to accommodate HTML 5 in the ...
 30  -5 debian.org
Lintian Tag: privacy-breach-w3c- valid - htmlAll reports of privacy-breach-w3c- valid - html for the archive. The extended description of this tag is: This package creates a potential privacy breach by fetching ...
 31  -17 skynet.be
Html Validator for Firefox and MozillaA W3C Tidy-based HTML Validator which checks pages from within the Firefox web browser.
 32  -20 rebuildingtheweb.com
Why is valid HTML important to everyone? - Rebuilding The Webto everyone? The Web works with valid and invalid HTML . So why is valid HTML important? And how does invalid HTML affect everyone who uses the Web ?
 33  +68 ait-themes.com
Template : Valid HTML - AIT ThemesThe HTML code is valid as XHTM Strict 1.0 doctype and uses simple tableless ... Validity is tested by w3.org and the design is composed width consideration to ...
 34  -18 joliclic.free.fr
object tag: embed content in valid strict HTML - joliclic - FreeStudy and tests of the object tag in strict HTML , media enbedding.
 35  ~ html-and-css-tutorial.comHTML and CSS tutorial - Valid HTMLThe HTML fragments you saw in the previous tutorial were not complete and valid HTML documents. A few lines of text was missing. When you have completed ...
 36  ~ xhtml.com
XHTML ReferenceAn XHTML reference with articles describing HTML -compatibility.
 37  -17 mattkorostoff.com
A valid use case for the HTML blink tag | Creative JuicesWhich means, this whole thing is almost certainly built with HTML /CSS. And they have a totally valid , non-annoying, completely accessible* use ...
 38  +63 searchenginewatch.com
Does Google Penalize For Invalid HTML ? Matt Cutts Says No - SEWIt's easy to make a mistake when trying to create perfect HTML code that validates correctly every time. So how important is valid HTML when it ...
 39  +17 sitepoint.com
A Minimal HTML Document (HTML5 Edition) - SitePointThe minimal HTML document has gotten a lot bigger. ... and the HTML5 specification now allows for these shortcuts to be used in valid code.
 40  -25 yoast.com
Valid (X) HTML while embedding SWF Flash objects • Yoast... files in to your XHTML can be quite a pain if you want your code to validate as XHTML. This article tells you how to embed it as valid (X) HTML .
 41  -14 rubyonrails.org
ActiveRecord::Validations - Ruby on Railsvalid ? Included Modules. ActiveModel::Validations. Instance Public methods ... raise a RecordInvalid exception instead of returning false if the record is not valid .
 42  +15 bennadel.com
ColdFusion 10 - Parsing Dirty HTML Into Valid XML DocumentsBen Nadel explains that ColdFusion 10 now ships with TagSoup 1.2 which can be used to parse HTML into valid ColdFusion XML documents.
 43  +21 creativecow.net
no valid html templates are available : Adobe Flash - Creative COWno valid html templates are available - Adobe Flash authors web and other animations which are high resolution and compact in size -- even in ...
 44  +24 htmlbasictutor.ca
Code Validation - Clean Code - HTML Basic TutorWeb page HTML ( Hyper Text Markup Language ), Cascading Style Sheets (CSS), ... Having valid clean code will make it easier for the search engine spider to ...
 45  +5 wordpress.org
WordPress › SEO friendly and HTML valid subheadings When coming up with an SEO optimized theme, you should take care of the following: have the H1 on archive pages and the homepage set to ...
 46  -22 whatwg.org
HTML Standard - WhatWGAn html element's end tag can be omitted if the html element is not immediately ... If the attribute is present, the attribute's value must be a valid  ...
 47  +27 washington.edu
Does this page use valid HTML ?Does this page use valid HTML ? This website is very simple, but it contains invalid HTML. It might look ok in your browser, but it might choke on a browser that is ...
 48  +50 ejohn.org
John Resig - HTML 5 data- AttributesThis allows you to write valid HTML markup (passing an HTML 5 validator) while, simultaneously, embedding data within your page. A quick ...
 49  +51 css-tricks.com
: valid | CSS-TricksThe : valid selector allows you to select elements that do not contain valid content, ... : valid is defined in the CSS Sele. ... HTML ; CSS; JS; Result.
 50  +23 html5laboratory.com
html5 laboratory - writing a valid html5 documentHere we face our first problem, because what is a valid html5 document? ... All HTML documents must start with a <DOCTYPE> , and HTML5 ...
 51  -11 adobe.com
Valid proof of purchase - AdobeLearn what qualifies as valid proof of purchase for Adobe products.