This w3c validator is great for when you want to know and check the markup validity of URLs in HTML, XHTML or HTML5. Using a HTML validator tool like this one can save you time and money and help you to see what URLs are in need of change and which are ok for you to use.
With this HTML validator online you can enter up to 500 URLs at once and the tool will search them all and give results quickly letting you know where there are errors that need to be fixed, use it free of charge too!
Input list. Enter URL line by line (max 500 URLs)
alert sound when done
Web Of Trust (myWOT.com) ratings
| # | URL | # Error | # Warning/Info | Total | Review |
|---|
-
Related Seo Tools:

Domain Name Search. Bulk Check Domain Name Availability
If you want to check domain name availability of a list of up to 500 domains at once then this is the tool for you. See the status of a domain under all major extensions at once and the registration date if they are already taken.

Bulk Domain Authority, Page Authority & Mozrank Checker
Find out the MozRank, page rank, page authority and domain authority of up to 200 URLs at once. This tool is easy to use and the results can be converted to an easy to read CSV file for spreadsheet applications.

Case Converter. Change/convert Case To Upper Case, Lower Case & More
This case converter tool allows you to convert sections of text into any case type, you can also export it back into a text file making it ready to use instantly. Convert to all caps, lower case, sentence or title case.

Domain Age Checker. Find Domain Age Of 500 Domains Fast
The age of a domain is extremely important when it comes to SEO rankings with Google and Bing. This tool helps you find domain age of up to 500 domains at once with no daily limit, so check as many as you like!
