|PDF Title :||Web Scraping with Python, 2nd Edition|
|Total Page :||306 Pages|
|PDF Size :||6.9 MB|
|PDF Link :||Available|
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Web Scraping with Python, 2nd Edition
Many litmus tests have been used over the years, and continue to be used, with varying degrees of success, to separate web scrapers from browser-using humans.
Although it’s not a big deal if a bot downloads some articles and blog posts that were available to the public anyway, it is a big problem if a bot creates thousands of user accounts and starts spamming all of your site’s members.
Web forms, especially form that deal with account creation and logins, pose a significant threat to security and computational overhead if they’re vulnerable to indiscriminate use by bots, so it’s in the best interest of many site owners (or at least they think it is) to try to limit access to the site.
Web Scraping with Python, 2nd Edition PDF
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