Reduce the differences between your page and the top 10,
you will get a better rank.

Which are the best backlinks ?

Among URLs higher than yours,
- some are difficult to overtake (Reinforce each other by mutual links)
- you can easily overtake some others (Make them your temporary allies against your competitors thanks to backlinks).

Among URLs lower than yours,
- some threaten your rank (Neutralize them by backlink exchanges)
- for others, you remain out of reach (Reinforce each other by mutual links).

Which URLS to contact first ?

The table below is ordered :
- by unreachable URLs, not-threatening URLs, reachable URLs and threatening URLs,
- by URL pagerank,
- by URL HTML content.

Which precautions should I take ?

A too-strong pagerank backlink (toward yours) could be considered as suspect by Google©.

How to contact URLs ?

Propose the backlink exchange thanks to a pre-written e-mail from the "contact" column