What is a web scraper?
A web scraper (also known as web crawler) is a tool or a piece of code that performs the process to extract data from web pages on the Internet. Various web scrapers have played an important role in the boom of big data and make it easy for people to scrape the data they need.
Why open-source web scrapers?
Among various web scrapers, open-source web scrapers allow users to code based on their source code or framework, and fuel a massive part to help scrape in a fast, simple but extensive way.
What are the top 10 open source web scrapers?
We will walk through the top 10 open source web scrapers (open source web crawler) in 2021.
1. Scrapy
2. Heritrix
3. Web-Harvest
4. MechanicalSoup
5. Apify SDK
6. Apache Nutch
7. Jaunt
8. Node-crawler
9. PySpider
10.StormCrawler
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