The "Click here" says nothing about the information found if a link is followed. Therefore descriptive text should be used for all links. The optimization of the "title" attribute gives us space to clearly describe the target content. This does not only serve the accessibility of the web site for blind people but also the search engines are picking it up.

Following W3 standards in general seems to improve ranking as it heightens the readability and it "makes sense" to search engines.