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Comment by reducesuffering | Hacker News Reader

Craiglist, because of its age, is interestingly built on Perl[1] and four years ago brought on Perl's founder, Larry Wall.[2]

[1] https://www.craigslist.org/about/thanks (CL tech stack) [2] http://blog.craigslist.org/2013/10/15/artist-formerly-known/

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Craigslist are so quiet about their tech; I'm surprised there's even that much. I'd love to hear their opinions on operating some of those things at scale, given that their problems are likely much more like those of the average CRUD-y SaaS business (scaled up) than they are like those of e.g. Twitter or Facebook, who have to care about things like "realtime demand-based geographic read-only partial replication of event streams."

I believe this based on a thing I think I read a long time ago, but isn't all of CL's tech focused solely on preventing any indexing of the site? It's no wonder they would keep it quiet.

I would like to believe this, but given the amount of spam that gets posted to CL—and given how well a sophisticated, heuristic anti-indexing WAF would block spambot request traffic as a simple side-effect—I find the idea a bit dubious.

Dubious indeed.

A lot of spam on CL isn't created by bots, but by human beings.

As little as 3 years ago, I knew people who'd make job ads on elance asking someone to 'automate' their craigslist renewals and postings.

that cant be right given how you can find cl pages on google

or they just decided to allow Google?

Simplicity has its benefits.

And, to be clear, there is some info online about craigslist tech.

Source: I'm a 8+ year employee who's given public talks about tech at craigslist, some of which have been recorded and are online.

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