The Hosting package contains a HTML Tidy tool. This tool will read the code you submit to it and then provide you with a list of errors and a read out of a potential new HTML script for you to use.
The HTML Tidy tool will try to tidy the layout of your HTML code. Follow the instructions below to use the tool.
Login to your 123-reg control panel.
Scroll down to the web hosting section.
Select the relevant domain name from the drop down box and click on the Manage button.
Click on the HTML Tidy option in the Website Help & Diagnostics section.
Upload a file using the Choose File option or paste your HTML code into the box and press the Tidy Now button.
The results will then be displayed on the page.