There are two types of search engines 1. Hybrid search engines 2. Meta search engines
Google & Yahoo are two main search engines.
search engines and directories
Meta engines search for information on different search pages at the same time. If someone typed in "hummingbirds" they would search on two or three search pages at once.
search engines
Spider-Based Search Engines. Directory-Based Search Engines. Link-Based Search Engines.
There are primarily three types of search engines: traditional search engines, vertical search engines, and meta-search engines. Traditional search engines like Google and Bing index the entire web and return results based on algorithms. Vertical search engines focus on specific niches or industries, such as medical or academic searches. Meta-search engines aggregate results from multiple search engines to provide a broader range of information.
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.
Bing (www.bing.com) Google (www.google.com)
name five search engines
It is where you can search anything you wanted to. Yahoo ang Google are example of search engines.
you dont, thats why they are crawler search engines.