Check your inound and outbound linking architecture:
Pages with external links – See which pages on your site have links pointing to them from other sites.
Sitelinks – See which links on your site have been identified as candidates for appearing directly in Google search results.
Pages with internal links – See which pages on your site have [...]

Google Webmaster tools allows you get stats on your web page, in the words of Google:
 
Top search queries – See which search queries most often returned pages from your site, and which of them were clicked.
 
Crawl stats – See your distribution info for your site, including the current PageRank for pages on your site. Cool!
 
Subscriber [...]

As Quoted by Google:
Web crawl – See errors and problems encountered by Google’s crawlers while accessing pages on your site.
Content analysis – See potential problems with site metadata, such as title and meta description information.
Mobile crawl – See errors and problems encountered by Google’s crawlers while accessing pages on your site created specifically for viewing [...]