Acronym for Portable Document Format, a file format created by Adobe Systems.

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18
votes
3answers
1k views

Do search engines crawl PDFs and if so are there any rules to follow when making them

The website I am working on has a few hundred PDFs in it. I don't think I have ever seen any of them come back in a search but there are linked to directly from out site. They are also full of ...
3
votes
3answers
217 views

How to restrict the download of all files in a folder?

I have several .pdb files, which should be viewed in my website by clicking a link on a page. But when a pdf file opens, in the address bar it is visible the directory where all .pdf files reside. SO ...
5
votes
5answers
9k views

How to protect PDF file from indexing?

I have link to PDF document on a public web-page. How to prevent search engines to index this link and PDF document. The only idea that came to my mind is to use CAPTCHA. However I wounder if there ...
3
votes
1answer
979 views

Should I include PDF files in my sitemap.xml

Should I add a direct link to PDF files in my (xml) sitemap?