Introduction

Validating html document meant checking the preferred document syntax and standard, what is follows. There is html5 online validation is available which take html/html5 document and verify whether this document follow the standards of html5 or not. And generate errors and suggestion to reform the html document.

 The sources available are:

1.       http://validator.w3.org/

2.       http://validator.whatwg.org/

To validate html document follow the following steps:

Step1: create your html document as given below; note this is demo html file. However you can select/choose you heavy/large file to validate as need as you could use.

<html>

  <head>
    <title> demo html page</title>
  </head>
  <body>
    <h1> this is demo Html page intended to validate</h1>
  </body>
</html>

Step2: Open the browser and open the URL given above. ( http://validator.w3.org/)


Validating HTML/HTML 5

Now you have three options to refer the html document what you want to validate using the above html5 valuator.

1.       Validate by URI: give the URI (URL) of your document to be validate.

2.       Validate by File Upload: in this method you can upload your file (html document) to be validated.

3.       Validate by Direct Input: in this method you can copy/paste or write document directly into this valuator.

Step3: Now after choosing any of the methods for inputting you html document for processing. Click on “Check “button as mention in screen shoot.

 Validating HTML/HTML 5

As seen in above figure you can select various “check boxes from more option panel”. It depends on how you want to validate.

Step4: Now click on the Check button. You will display list of errors if any and warnings, suggestion etc.

The output generated by this validation is in subsequent figures as:


Validating HTML/HTML 5

            Validating HTML/HTML 5

Validating HTML/HTML 5

Validating HTML/HTML 5

I hope this article had been resolved the problem related to HTML document validation at standard level.

 Thanks you.

 

  Modified On Nov-29-2017 10:16:32 PM

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