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A comment on Ask HN: how do comparison websites prevent scraping?.

Re:Ask HN: how do comparison websites prevent scraping? by ianpri on Tuesday January 17, 2012 @07:01AM (#3474584)
You could try adding dummy/deliberately incorrect data and then do a search for this via Google to find sites which are scraping you - business listings sites use a similar method. Doesn't stop them scraping but lets you find them to start harassing their hosts.
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Re:Ask HN: how do comparison websites prevent scraping? by Zuzz on Tuesday January 17, 2012 @11:33AM (#3475373)
indeed that's a common approach to spotting who copied your data in bulk but not to prevent it (or at least make it more difficult).

Thanks

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