Noodp and noydir are tags that are often found in the code on websites.
Here’s what they stand for:
- Noodp = No Open Directory Project
- Noydir = No Yahoo Directory
Put simply, noodp and noydir are instructions to search engines not to use information from these web directories when showing your site in the search results.
The Open Directory Project and Yahoo Directory used to be massive online directories that contained links to websites along with their titles and descriptions.
However, these web directories don’t exist anymore. The Yahoo Directory was shut down in 2014 and the Open Directory Project (also called DMOZ) was shut down in 2017.
For this reason, these meta tags do not serve any purpose anymore, even though many websites still use them.
Noodp and noydir are meta robots tags
Noodp and noydir are meta tags that are added to the html code of pages.
Meta robots tags are code that is hidden from your site’s visitors but provides some instructions to search engine bots.
Noodp looks like this:
<meta name="robots" content="noodp" />Noydir looks like this:
<meta name="robots" content="noydir" />When both are used, it looks like this:
<meta name="robots" content="noodp, noydir" />Sometimes, other meta robots tags may be listed as well:
<meta name="robots" content="index, follow, noodp, noydir" />When search engines crawl your website and see noodp and noydir inside the code, they will not use your directory listings to show information about your website.
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