There is a simple explanation for that. Search engines pay other search engines for advertising placement on their search results. So you might go to Google.com and type in classified ads and then to fall on a result sponsored by Clasearch.com which is a classified search engine or You might search for Shopping and fall on a result sponsored by Avasearch.com
Most likely you will need to install a Google or MSN/Bing toolbar or search options on your computer. Right now it appears Yahoo is your primary search aggregator. These toptions can be changed when you open your browser (Firefox & Internet Explorer) from the Search box, click on the dropdown menu next to the Yahoo logo, select Manage Search Engines, from there a window will display which search engines are currently installed and you can select the order of such search engines, or add other search engines by clicking on the link in the window.
because the other search engines google redirects you they own
You can keyin the name of the city / airport, select the Checkin & Checkout dates and click Find Hotels or Search, a list of Hotels by tariff or star along with other details will be listed. The popular search-booking engines are Hotels Combined & CheapOStay. There are other search engines too.
It has a variate of answers and solutions that you could look into! While other search engines only show you what they find on theirs rather than all thee search engines together.
Generally speaking, meta search engines perform searches using a conglomeration of other search engines. Metasearch engines enable users to enter search criteria once and access several search engines simultaneously. Metasearch engines operate on the premise that the Web is too large for any one search engine to index it all and that more comprehensive search results can be obtained by combining the results from several search engines. This also may save the user from having to use multiple search engines separately.
Google is the most popular search engine on the internet, followed by Yahoo. Other search engines include Bing, AOL search, AltaVista, Excite and Emlsearch
Domain extensions
Many. There are even specialised search engines for given subjects and for people too
More detail from a wider search of other sites
All search engines that search on everything on internet can search for other search engines,for example google,bing,yahoo,ask,avgsearch,xquick dogpile combines a lot of different engines but its kind of awkward to use www.dogpile.com
You can actually use search engines only online. There are other type of search tools that do off-line "desktop" searches, but they are not referred to as search engines.
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