A few ways to check whether a Web page meets the standards locally

Standard | Web page Verify that the code of the Web page conforms to the standard in addition to the online inspection of the consortium (need to upload to the server), but also in the local test (do not need to upload), this article describes several methods in the local test. It should be noted that even if your page passes the test, it does not indicate that the page is compliant with the Web standard.

Static Web page
A Real Validator
Home Address: http://arealvalidator.com

Use more trouble.

Topstylepro
Home Address: http://www.bradsoft.com/

Tutorial: TopStyle Pro Usage Tips

UTF-8 encoded in Chinese will be garbled.

Dreamweaver 8 with its own
Not very accurate.

Dynamic Web page
In addition to the above several methods, you can use Firefox extension--html Validator

Introduction look here: http://www.forest53.com/tutorials/tutorials_show.asp?sortid=4&id=42

This is a method which I think is very convenient and practical for local inspection, and the result is very close to that of the consortium.

Extended:
Online CSS Inspection
1. http://jigsaw.w3.org/css-validator/(Chinese version)
2. http://validator.w3.org/(English version)

Online HTML test
Http://validator.w3.org/check(English version)