Discovery
Horizontal search engines are general-purpose search engines such as Google and Yahoo. Vertical search engines, meanwhile, are specialized by content such as Trulia, Mocavo and Yelp.
googleyahoodogpileask.com
Meta search engines combine results from different search engines. Some examples of this are mamma.com and dogpile.com.
Internet search engines.
Some examples of search engines are:GoogleYahooBing
Search engines have a system of algorithms that works on crawling the information written in the body of the HTML. Meta search engines have a system of algorithms that crawls the meta tags, meta title and meta description of the HTML Examples for meta search engines are megaspider.com , metaspider.com , clasearch.com Examples for search engines are Google.com , Bing.com , Avasearch.com, Yahoo.com You also have meta-search engines for a number of specialist subjects such as navigatejob.com which is a job search engine.
Search engines basically a program that receives your search request, compares it to the entries in the index, and returns results to you. There are many types of search engines defined in different groups according to their works. Here are the some examples of search engines :Google.comYahoo.combing.comaltavista.comAsk.com
That is not exactly true. A "meta search engine" pays importance only to the meta tags and meta discriptions of the HTML code. A search engine that searches many search engines is a mashed search engine, because it mashes the api of dfferent search engines. Examples for meta search engines are: http://metaspider.com/ or http://megaspider.com/ (very old) Examples for mashed search engines are: http://dogpile.com/ or http://avasearch.com/
Google is the most popular search engine on the internet, followed by Yahoo. Other search engines include Bing, AOL search, AltaVista, Excite and Emlsearch
You may search many search engines: * Google * Yahoo! and any more.
As far as I know nothing is bad about search engines. But, when you play computer games there may spyware detecting your computer. There are a bunch of scams so watch out!