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                         Attack of the feed fetchers

A question about my JSON (JavaScript Object Notation) feed [1] prompted me to
look a bit closer at the requests being made.

Table: JSON feed requests per user agent
requests        agent
------------------------------
3723    Ruby
306     Mozilla/5.0 (compatible; inoreader.com; 1 subscribers)
14      The Knowledge AI (Artificial Intelligence)
12      Mozilla/5.0 (compatible; SeznamBot/3.2-test1; +http://napoveda.seznam.cz/en/seznambot-intro/)
10      Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)

That “Ruby” agent is not only requesting the feed every 10 minutes, but doing
so from the same IP (Internet Protocol) address. It's excessive and it
inflates the apparent popularity of the JSON feed, but it's not enough to get
me to ban it, although it doesn't need to be quite so aggressive.

[1] https://lobste.rs/s/udxjyh/using_same_blogging_software_for_20_years#c_sjbbu4

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