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+### tricks
+
+<br>
+
+#### cex
+
+* craw relays by requesting through a network of proxies to not get ratelimited (for example, by cloudflare ~5 seconds).
+* maintain an in-memory list of endpoints that are predicted to be cached, so only use the ones that are predicted to be uncached.
+* [proxymesh: rotating anonynous http proxy servers](https://proxymesh.com/)
+
+<br>