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In fact, you don’t need to know much about AJAX to extract data. All you need is just to figure out whether the site you want to scrape uses Ajax or not. Many websites use a lot of Ajax such as Google, Amazon, and eBay. Usually, the URL of the page will not have any change when updating part of the content. With Octoparse, you can easily extract data from web pages where data is loaded with AJAX.
Various kinds of tutorials and blogs about AJAX are provided on our website. You could see the details below:
If you have any questions, we'd happy to help.