A domain checking tool is useful when buying a domain and wish to see the history of it.

When purchasing a domain you can buy an already established one or one you believe is completely new. Entering the new domain into the checking tool enables you to see the history of the domain, allowing you to examine the site content and its back links. This is an important process to do when purchasing an already established domain name as it can inform you of any negative press, links, articles or bad links already associated with the website.

By placing a formatted xml file with a site map onto your webserver, you enable Search Engine crawlers (like Google) to find out what pages are present and which have recently changed, and to crawl your site accordingly.

By filling in the XML Sitemap generator fields with the URL and other parameter information the XML Sitemap generator will produce a sitemap for your website that when submitted to Google will ensure that Google is prepared when it looks at your site.

Use this tool to research your keyword density and prominence; allowing you to see the page’s headers, page elements, outgoing links and more. Further to this it will warn you when it detects possible stopwords, adult words and ‘poisonwords’.

The SEOmoz page strength tool can tell webmasters the importance and visibility of a webpage.

Further to this it indicates the potential strength and ability of a page to rank in the Search Engines

It is designed for those seeking a better metric to quickly assess a site/page’s relative importance and visibility.

Page Strength scores are determined by collecting data from external sources such as Yahoo, Alexa, and Google this is done thousands of times a day.

The Google sandbox checker tool helps you to check if your site is in Google’s sandbox for a given keyword. This checker tool has fields to enter the keyword, URL and to select Google’s regional domain. On clicking Submit the tool tells you if your site is been placed in Google’s sandbox.

Free Keyword Research Tool offers daily search volumes by market for search engines such as Google, Yahoo!, and MSN. The tool is focused on overall search volume and links the search volumes to the related global search results.

The benefit of the Keyword Research Tool is it enables you to see all relevant keywords and assess which keywords are relevant and will provide results.

When considering your keywords it is worth remembering that people tend to use language in similar patterns; if the results reveal that there are 15,000,000 search results for “car hire” and only 5,000,000 pages for “hire car” then it is likely that car hire is the more common search term. However, bear in mind that although using a keyword search tool can be useful, do not let it rule your choice in keywords as the data it provides is not precise quantitative analysis.