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What are the convenient and good tools for grabbing data?

Convenient and useful tools to capture data are: Octopus, locomotive, near probe China.

1, octopus collector octopus is based on the operator in the network real name system real data is the integration of web data collection, mobile Internet data and API interface services and other services as one of the data service platform. Its biggest feature is that no need to know the network crawler technology, you can easily complete the collection.

2, locomotive collector train collector is the current use of a larger number of Internet data collection software. It has a flexible configuration and powerful performance leading similar products in the country, and won the unanimous recognition of many users. The use of locomotive collector can collect almost all the web pages.

3, near the exploration of China near the exploration of China's data service platform there are many developers uploaded inside the collection tool there are many free. Whether it is the collection of domestic and foreign websites, industry websites, government websites, apps, microblogs, search engines, public numbers, small programs and other data or other data, the near probe can complete the collection can also be customized this is one of their biggest highlights.

A web crawler (also known as a web spider, a web robot, or more often as a web chaser in the FOAF community) is a program or script that automatically crawls the World Wide Web for information according to certain rules. Some other less frequently used names are ants, autoindexers, simulation programs, or worms.