Search Engine Optimization(the process of improving ranking in search engine results) is a complex and never ending process. You have to analyze lot of things like keywords, backlinks and so on. To do this manually is a huge pain.

To make your life easier, SEOMoz.org have developed easy to use tools

1. Linkscape - A professional quality inlink tool that uses patent-pending SEOmoz metrics. Inlinks, anchor text distribution and more.

This tool provides Basic and Data Detail Intelligence Report for Your domain -

1. mozRank of the domain – mozRank shows how popular a page is on the web. The more links to a page, the more popular it becomes. Links from important pages increase your popularity, and your mozRank, even more.
2. Links to the domain – The total number of links to this page, counting links from your domain and links that don’t increase the mozRank.
3. Root domains linking to the domain – The number of different websites with links to this page. When compared to the number of links to this page, it can reveal how the links might be distributed across the web.
4. mozRank of the subdomain – Domain mozRank is a link popularity score based on how the domains, rather than just pages, link to each other. It is an indicator of a how popular your domain among domains

2. Term Target – Helps determine how targeted a particular page is for a specified keyword by analyzing a variety of factors.

3. SEOmoz Firefox Toolbar – The power of Linkscape is now available inside Firefox with the SEOmoz Toolbar. Using this tool you can – Check mozRank, mozTrust and other Linkscape metrics in your browser get quick and easy access to all the SEOmoz tools and other PRO resources.

4. Popular Searches – This tool aggregates and archives popular searches from various sources. This tool also shows Top 10 Searches from All Sources.

5. Trifecta – Measures metrics to estimate the relative popularity and importance of Page, Blog or Domain. It measures the number of sites/pages that link to you, the number of times your brand is mentioned on the web And how much traffic your site receives. With your free account you can run only one Trifecta report per day.

6. Term Extractor – The term extractor tool analyzes the content of a given page and extracts the terms that appear to be targeted at search engines.

7. GeoTargeting Detection – Discover how well your website is targeted to country specific search engines.

8. SEO Toolbox – A collection of FREE Tools that will give you quick answers and aid in daily SEO activities.

1. Strongest Pages on a Domain – This tool determines what the strongest pages are on your domain
2. Check Backlinks – This tool reports the number of backlinks to a URL, also shows a historical view of previous backlinks.
3. Check PageRank – This tool reports the PageRank of a URL and shows a historical view of previous PR scores.
4. Find Domain Age – Using this tool find the age of your domain and when it was first spidered by the search engines.
5. Check HTTP Status Code – Using this tool find out what HTTP status code a website is producing.
6. Check Indexed Pages – This SEO Tool looks at the Google, Yahoo, Bing major search engines and reports back how many pages you appear to have indexed.
7. Whois – Using this tool find out a domain’s registration information.
8. IP Location – This is not an SEO tool, but is very useful in determining the geographic location of an IP address using a bit of AJAX and Google Maps.

To use some of above listed tools u have to be registered n logged in. Also there are some features, which requires SEOmoz PRO Membership.