On page optimization and link building are the most basic techniques of optimizing a website. Apart from web pages, many sites contain assets in the form of documents (.doc, .pdf), spreadsheets (.xls), presentations and videos (.avi etc). Optimizing these assets is beneficial as they get indexed faster and rank well in the top search engine result pages./nRead more: http://www.site-reference.com/videos/Search-Engines/How-to-Optimize-PDF-Documents-for-SEO-117.html#ixzz0huO3FmB0