What is a safe maximum length a segment in a URL path should be?

Question

A lot of people are asking \"What is the maximum length a URL can be?\" but as far as I can see nobody is asking the question:

Answer 1

There is no such specification limit. There may be implementation limits, but you won't find those in the specifications.

Nit: URIs are defined by the IETF, not the W3C, and the current spec is RFC 3986.