Comment by divbzero

> I don’t understand how I’ve never observed the connection limit of 6…

Practically speaking this limitation has been obsolete for 5 years or so. With HTTP/1.1 there used to be ways to achieve more parallel downloads through domain sharding [1] on the server side and browser tweaks [2] on the client side.

[1]: https://developer.mozilla.org/en-US/docs/Glossary/Domain_sha...

[2]: http://kb.mozillazine.org/Network.http.max-persistent-connec...