If you are looking to get more info on the differences between the search engines, then you have come to the right place. First let’s talk about MSN Live. MSN Live Search Engine places heavy emphasis on unique fresh website content. They even allow higher keyword density than Google does. For MSN Search, it is best to keep your pages at least 200 words long and have phrases which searchers commonly use. One of the things they look at is a clean html code. Having a clean website code is necessary with MSN Search. They even go to the extent of asking Webmasters to ensure that their pages are HTML validated. MSN's spider has a strong preference for well-written code. If a Website's html coding is not written very well, it appears that MSN Search downgrades the site's search rankings heavily.

Yahoo search engine gives more importance to keyword density. A Website with high keyword density may fare well in Yahoo. The average keyword counts that seem to work is anything up to 7%.  You have the keywords you want to use in the title and description, then you can expect a top 20 place in Yahoo! in due time if you are willing to be patient. But beware – a title and an URL cannot be unlimited and technically you can place no more than 3 or 4 keywords there. Also, it matters if the keyword in the title and in the URL is in a basic form or if it is a derivative – e.g. when searching for “cat”, URLs with “catwalk” will also be displayed in Yahoo! but most likely in the second 100 results, while URLs with “cat” only are quite near to the top. These are just some important things that do need to be done. Be aware that Yahoo has changed its search engine several times drastically. Yahoo is striving to produce relevant results to its searchers in areas that computer algorithms simply fall short, areas like opinions and personalized results.

Google is known as one of the top search directories on the Internet, and if your site is ranked high in Google, you'll get more page views and more hits and traffic. But Google doesn't work like all the other search engines, so you should be aware of these tips for optimizing your site for Google. First provide high-quality content on your pages, especially your homepage. This is the single most important thing to do. Next make sure that other sites link to yours. Links help our crawlers find your site and can give your site greater visibility in our search results. Build your site with a logical link structure. Every page should be reachable from at least one static text link. The idea behind including back links as part of the page rank algorithm is that if a page is good, people will start linking to it. And the more back links a page has, the better.