Display a ClearWebStats link button on the add-on bar. While on click it will open a new page which will then load a full http://www.clearwebstats.com site report for the website you were browsing including following metrics:
- Google Pagerank
- Alexa Rank
- Google Indexed Pages
- Domain / Website Value
- Daily Unique Visitors
- Estimated Income Per Day
- Yahoo Indexed Pages
- Google Inbound Links
- Bing Indexed Pages
- Bing Inbound Links
- Alexa Inbound Links
- PageRank display widget for your site
- Similar websites to the domain
- ICANN Registrar Information
- Domain Registered Date
- Domain Expiry Date
- Website Hosted IP
- Domain Modified Date
- Domain / Website Age
- Hosting Country
- Nameservers, IP and Country Information
- Sites Hosted on same IP address
In general it is a full SEO details for any websites.