Q: What is a configuration rule/extraction task in Octoparse?
Crawlers run in Octoparse are determined by the rules configured, and the data extracted is structured. It does not understand the web content with advanced algorithms, but it grabs the exact web content to you perfectly.
The rule configured would tell Octoparse: which website is to be open; where is the data you plan to crawl; what kind of data you want, etc.
Octoparse has a visible workflow designer to show how the rule is created. You can configure the rule to paginate, to scrape a website behind a login, to collect data from webpages loaded with AJAX, to scrape a website with infinite scrolling.