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What are the search sites?
A search website is a system that searches, organizes and classifies Internet information resources and stores them in a network database for user query. It includes three parts: information collection, information classification, and user query. PHP Chinese website has prepared tutorials and articles related to search websites for everyone. Everyone is welcome to download and read.
What is a metasearch engineA metasearch engine is an engine that calls other independent search engines, also known as the "mother of search engines". The user's search questions are accepted through a unified search interface. The user only needs to submit a search request once, and the metasearch engine can automatically convert the user's search request into a format that can be recognized by multiple search engines based on the information in the knowledge base. Distribute and submit to multiple independent search engines and search multiple databases simultaneously.
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