You can use this tool to check the backlink for site :

Reciprocal Link Checker

Reciprocal Link Manager Domain Name List of URLs where your Reciprocal Links can be found (One on each line) http://link-partner-1.com/url.html

Backlink Anchor Text Analysis

Anchor Text Analysis Domain Name Note* Results may vary if prefixed with www.

If you wanna check a domain prefixed without www, you can use tools from Seopro.com.au

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Anchor text is a text which used for link, for example :
<a href=http://probizblog.blogspot.com>ProBizBlog</a>
text "ProBizBlog" is anchor text for http://probizblog.blogspot.com

Anchor text is like a keyword, its will influence for search engine result. As many the same anchor text used for you link, your site will better in search engine result ranking for that keyword.

So always use same text for backlink to your site. And if you do a link exchange tell your partner to use your anchor text in your backlink.

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What is backlink? Backlink is a link from site to another site. Backlink can be a promotion way for your site, as many link to the site will wide open the way for visitor to visit your site.

These are some way for increase the backlink :

1. Link exchange with another site
2. Visit and comment (with link to your site) in another site
3. Submit your site to directory site and social bookmark
4. Submit your site to search engine
5. Buy some link advertising
6. etc
   

These are some kind of backlink :

1. One way backlink, example : site A linking to site B but site B not link back to site A
2. Two way backlink, both of site linked.
3. Three way backlink, example : site A linking to site B, site B linking to site C and site C linking to site A

Backlink will influence the page rank. Actualy page rank not affecting search engine result, page rank is used to see the site is important or not.

This is how to increasing your page rank :

1. Make backlink from other site as much as you can
2. Backlink from site with high rank
3. One way backlink is better
4. Backlink with other site which have same topic
5. Backlink from dofollow site

Nofollow and dofollow backlink

If a site use nofollow tag, that link will not count as a link for page rank. Example : Site A linking to site B with nofollow and site B linking to site A with dofollow. In this case link from site A to site B will not count as a link. For page rank the link is only from site B to site A (one way link).

Tips :
To see the site is dofollow or nofollow, you can install SeoQuake or SearchStatus on your browser. And you can find dofollow site in dofollow site directory.

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