Once you have created a web site and the content and design is complete, it's important to verify that your web site is working properly and will give a good first impression. These tools can be very useful to make sure all the words are spelled correctly, to find broken links and to make sure that your HTML is valid. By using these tools you are going to improve the experience of your visitors and they will be more likely to come back. A site that doesn't have any broken links or spelling mistakes shows that you have taken the time to improve your site and will show the professional level of your web presence.
Updated Oct 25, 2016