SEOQuake is a powerful SEO toolbox for your browser. You can check any web page for a huge selection of SEO parameters on the move with the SEOQuake browser extension which is available for free. You will have the ability to conduct an on-page audit in a flash, examine internal as well as external links and compare domains as well as URLs in real-time. You can also export any data collected into a file. SEOQuake is also available for Firefox and Opera.