Simon Willison’s Weblog

RSS Duplicate Detection. “Detecting duplicate items in an RSS feed is something of a black art”. I hadn’t realised quite how involved such a basic function of an aggregator could be.

Posted 22nd January 2008 at 8:11 pm

Recent articles

V&A East Storehouse and Operation Mincemeat in London - 27th August 2025
The Summer of Johann: prompt injections as far as the eye can see - 15th August 2025
Open weight LLMs exhibit inconsistent performance across providers - 15th August 2025

aggregator 1 atom 26 blackart 1 duplicates 1 james-holderness 1 rss 40 syndication 9

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