SEO for PDF Meta Tags [Case Study]

It’s great to optimize your pdf content for SEO, but what about PDF meta information? We are evaluating what meta information needs to be maintained for best PDF SEO performance with the attached document.

For this case study, we uploaded this pdf with unique tags in the Filename, Author, Description, Subject, Creator, About, and Producer meta tags.

PDF File Used: Rehmann-SEO-for-PDFs-BASIC9890

After the PDF file was indexed by Google, we searched for these unique tags. The only unique tag found was the filename tag.

From this small study, we conclude the only PDF tags looked at by Google are the Title tag and filename.

 

A Base64 Encoded Image for Google Image Search Results

The following image is base64 encoded, I’m testing to see if it appears in google image search results. lukerehmannbase64

If you can reverse search the image by saving and uploading it to google image search, base64 image search is available in google. Otherwise, don’t expect your ibase64 images to be in the search results.