It is always amazing to me to download a PDF from a site and compress it using several different tools.  Before I get started let me preface that I have absolutely nothing against the author or the document(s) they present but this is just showing you what you can gain by spending a few extra minutes.  This document contains a lot of images.  It seems that the more images you have inside a PDF the greater compression ratio you can achieve.  By using different tools online as well as the wide range of options from each site you can achieve some amazing results.  I also admit that some of these might not be acceptable alternatives for this kind of document but in general you can achieve great results for a small amount of effort.

The PDF Acrobat version is the only version that is on my computer and has one of the highest compressions available.  In some cases if you are charged for bandwidth it might very well be cost effective.  I encourage you to try this out and let me know what you find or if you have found other solutions.

http://www.cs.cf.ac.uk/Dave/Internet/Lectures/Handout_5_PF.pdf  – (3,389,967 Bytes)

smallpdf (www.smallpdf.com) – (1,966,550 bytes)

http://www.compress-pdf.co.uk – (338,094 bytes)

CVision Compressor   – (568,174 bytes)

pdf -tools – (722,783 bytes)

PDF Acrobat – (743,818 bytes) **

Neevia – (3,115,009 bytes)

** Located in Adobe Acrobat Pro X version

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