Job search engines serve as a brilliant aid when searching for jobs online. There are search engines and job boards which allow you to upload your personal information and contact details on the web, so that employers can reach you.
Check to see if the query is relevant to other vertical search databases (such as news search or product search) and place relevant links to a few items from that type of search query near the regular search results.
Please remember that higher search engine placement is not just for web pages. It may take a few weeks for submitted website changes to actually become effective with the major search engines. Considering that search engines marketing the Web is growing at an exceptional rate, it is a wonder that any search engine can keep up at all. Visit the search engine that you care about most and see if you are registered by searching for your URL.
You do not desire to be sen as lazy and therefore ranked badly by the search engines, so usually do not use PDFs.