They can work in different way, for example there is an operator that can search results for you.
I prefer UATOO, the human and social search engine that allow to the users to post queries and to view results provided by other users.
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how do search engines work
There are two types of search engines 1. Hybrid search engines 2. Meta search engines
I feel that google is the fastest search engine and that bing is also very fast. Whenever I use these search engines, I get accurate results in at a fast speed.
Spider-Based Search Engines. Directory-Based Search Engines. Link-Based Search Engines.
These online engines work by selecting different pieces of the internet and, in those pieces, searching for specific key words. These engines are very popular on the internet.
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.
name five search engines
It is where you can search anything you wanted to. Yahoo ang Google are example of search engines.
Your question definitely needs re-phrasing But a search engine using crawlers is a search engine that actually does the crawling itself like Google, Yahoo, Bing and Ask Other search engines like Altavista, Aol , Avasearch, Lycos are just feeding out of the ones above
There are several types of search engines, including general search engines like Google and Bing, which index the entire web. Vertical search engines focus on specific niches, such as health or travel, providing specialized results. Meta-search engines aggregate results from multiple search engines, while local search engines prioritize geographically relevant content. Additionally, there are image, video, and academic search engines tailored for specific media types or scholarly research.