Nicolás Lichtmaier wrote:

The default is 1 also because of netiquette - it's generally frowned upon by webmasters if someone uses more than 1 concurrent request, or makes requests too often (without any delay) - and quite often all requests from such sources get blocked at the firewall level - sometimes, even whole IP classes get blocked.

So, t(h)read carefully ...

Web browsers have traditionally used connections at the same time, so that shoul be a reasonable number to use and one that shouldn't get you blocked.

But web browsers don't crawl a single site exhaustively and quickly, rather they make a bunch of requests for resources tied to a single page, then wait relatively long time, and then make another bunch of requests ... So, the request pattern is still more "fair" than in the case of a mad crawler.

--
Best regards,
Andrzej Bialecki     <><
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