The role of crawler technology: 1. Web crawlers, as an important part of search engines, help search engines find web pages with the highest relevance to search topics; 2. Establish data sets for research, Business and other purposes.
#The operating environment of this article: Windows 7 system, Dell G3 computer.
The role of crawler technology:
Due to the booming development of the Internet and the Internet of Things, interactions between people and the network are taking place. Every time we search on the internet, web crawlers help us get the information we need. Furthermore, when we need to access large amounts of unstructured data from the web, we can use web crawlers to crawl the data.
1. Web crawlers are an important part of search engines
Use focused web crawlers to implement search engines or search functions on any portal website. It helps search engines find web pages with the highest relevance to the search topic.
For search engines, web crawlers help provide users with relevant and effective content, creating snapshots of all visited pages for subsequent processing.
2. Building Data Sets
Another good use of web crawlers is to build data sets for research, business, and other purposes.
· Understand and analyze the behavior of netizens towards a company or organization
· Collect marketing information and make better marketing decisions in the short term.
· Collect information from the Internet and analyze them for academic research.
· Collect data and analyze the long-term development trends of an industry.
· Monitor real-time changes of competitors
If you want to learn more about programming, please pay attention tophp trainingColumn!
The above is the detailed content of What crawler technology can do. For more information, please follow other related articles on the PHP Chinese website!