As an advertiser looking for page ranking on the search engines you will always try to find out such websites that gets higher page ranking for the same set of keywords and topics as you are using. Conversely they might be using the identical set of contents as your website. In both cases you can derive higher page rank on the search engines when you put text links on such websites. In fact these websites are the coveted places for placing your related links.

For example if your site is basically one related to sports and games, then the website that gains considerable page ranking with similar topics will be the one you would be looking for. Therefore when you buy links from a provider you should look forward to such links that will enlist these websites whose title, pages and contents are all relevant to your topic or the product and services that you are promoting online.

Your objective is adequately covered by edu links that takes care of every such aspect comparing your requirements with the links that are available so that they can match you perfectly. As it is always a better option to stick to such keywords that would exactly match your topic, they try to provide you such links on priority. Of course when avenues to exact keywords are exhausted they will also provide links with synonyms or related words that could be equally useful.