How to prevent a PDF file from being indexed by search engines?
 

How to prevent a PDF file from being indexed by search engines?

The most straightforward approach to forestall PDF records from showing up in list items is to add a X-Robots-Tag: noindex in the HTTP header used to serve the document. In the event that they're now listed, they'll drop out over the long run on the off chance that you utilize the X-Robot-Tag with the noindex mandate.

The simplest way to prevent PDF documents from appearing in search results is to add an X-Robots-Tag: noindex in the HTTP header used to serve the file. If they're already indexed, they'll drop out over time if you use the X-Robot-Tag with the noindex directive.