this post was submitted on 23 Jan 2025
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A pseudonymous coder has created and released an open source “tar pit” to indefinitely trap AI training web crawlers in an infinitely, randomly-generating series of pages to waste their time and computing power. The program, called Nepenthes after the genus of carnivorous pitcher plants which trap and consume their prey, can be deployed by webpage owners to protect their own content from being scraped or can be deployed “offensively” as a honeypot trap to waste AI companies’ resources.

“It's less like flypaper and more an infinite maze holding a minotaur, except the crawler is the minotaur that cannot get out. The typical web crawler doesn't appear to have a lot of logic. It downloads a URL, and if it sees links to other URLs, it downloads those too. Nepenthes generates random links that always point back to itself - the crawler downloads those new links. Nepenthes happily just returns more and more lists of links pointing back to itself,” Aaron B, the creator of Nepenthes, told 404 Media.

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[–] [email protected] 17 points 1 day ago* (last edited 1 day ago)

I suspect that there are many websites that already dynamically generate an unbounded number of pages based on the links one clicks, and that Web spiders will have needed to deal with those for as long as there have been people spidering the Web, which is going to be no later than the first Web search engines.

I'd guess that if nothing else, they cap how far they spider a site. Probably a lot more sophisticated, use heuristics to figure out which sites are more worth spending indexing resources on, as it's not just whether to spider but also the frequency with which to do so. Some parts of a site are more "valuable" than others -- for a search engine, a more desirable target for users clicking on results -- and some will update more frequently and are more-useful to re-spider at higher frequency. Google will return current news articles, yet still indexes a large portion of the content out there. They won't be doing that by simply sending GoogleBot at everything that they've indexed at a fixed frequency.