Meta data is data about your data. In the case of web pages the meta tags provide a way to give visitors information about the page such as who wrote it, content ratings etc. You can also supply search engines with a brief description of what your page is about.
For the search engines to display something meaningful for your web page in their search results, your page needs to have a meaningful title and a brief description in the meta data. The eighth tutorial on how to use NVU looks at how we can access these fields in the page source via the WYSIWYG interface provided by NVU.
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