Which websites use crawlers to crawl valuable data?
Source: Internet
Author: User
The subject is a web programmer who recently wanted to transfer to data analysis and practice crawler (python), various crawling techniques, and multi-site crawling, however, I find that the most helpless direction is that the direction (what data to capture and what to do) is relatively confused. I hope that some Predecessors will give guidance on which websites can capture data to obtain valuable data for analysis, or the experience of the predecessors. The subject is a web programmer who recently wanted to transfer to data analysis and practice crawler (python), various crawling techniques, and multi-site crawling, however, I find that the most helpless direction is that the direction (what data to capture and what to do) is relatively confused. I hope that some Predecessors will give guidance on which websites can capture data to obtain valuable data for analysis, or the experience of the predecessors.
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