Is it worthwhile ?
The query astronomie télescope 
is parasitized. The top 10's are probably difficult to overtake. Nevertheless, few URLs can reach the top 10. The context is rather very unfavourable.
For more details, chart statistics...
Undoubtedly, the text of your backlinks doesn't match astronomie télescope enough. Be careful, don't work against yourself !
For more details, your URL in details...
For more details, How to optimize your html content ? and
Which URLs to link to ?
Increase the number of your backlinks,
you will get a better ranking.
Soon, a complete solution to optimize your backlinks
No effort needed
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
Rank  |
Url |
Pagerank |
HTML |
Contact |
