![]() Unfortunately, you have to collect and add the URLs to the list manually. We suggest adding no more than 20,000 URLs at a time however, this number can change slightly depending on the length of the URLs.ģ.Can Octoparse automatically collect and add the URLs? Is there a limit to the number of URLs that I can add at a time? Variable List, Fixed List, URL List and Text List – Which Is a Better One to Use for Your Scraping Task?Ģ. To learn more about the "List of URLs" mode, you can check out the following articles: To make sure data is extracted consistently and accurately, it is necessary to ensure that these pages share the same page layout. Unfortunately, only URLs that share the same page structure can be extracted using "List of URLs". Can I use URLs that do not share the same page layout? Octoparse will scrape data from each URL in the list, and no page would be omitted.ġ. You can add particular web pages to the list, and it doesn't matter whether they are consecutive pages or not, as long as they share the same page layout. When a task built using "Lists of URLs" is set to run in the Cloud, the task will be split up into sub-tasks which are then set to run on various cloud servers simultaneously. As a result, the speed of extraction will be faster, especially for Cloud Extraction. Octoparse will load the URL one by one and scrape the data from each page.īy creating a "List of URLs" loop mode, Octoparse has no need to deal with extra steps like "Click to paginate" or "Click Item" to enter the item page. ![]() To scrape by using a list of URLs, we'll simply set up a loop of all the URLs we need to scrape from then add a data extraction action right after it to get the data we need. And another example, if you are scraping news articles from any particular website, most likely the article page will share the same page structure. For example, when you scrape listings from Yelp, you may need to paginate through the search results. Questions: When should you consider scraping by using a list of URLs?Īnswer: When the desired data spans through multiple pages sharing the same page structure. ![]() In this tutorial, we will introduce an easy and powerful way to extract data from multiple web pages by using a list of URLs. There isn’t just one way to scrape a webpage, depending on how the webpage is structured, there are usually multiple approaches you can try. The latest version for this tutorial is available here.
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