How to Crawl the Web Politely with Scrapy(medium.com)
medium.com
How to Crawl the Web Politely with Scrapy
https://medium.com/@ScrapingHub/how-to-crawl-the-web-politely-with-scrapy-15fbe489573d#.897np3gy7
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https://medium.com/@ScrapingHub/how-to-crawl-the-web-politely-with-scrapy-15fbe489573d#.897np3gy7
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