I was wondering if anybody knew what the maximum string length of a browser's SSID is or where I could go to look for that sort of information. (From a spec of some sort)
According to the documentation of the standard, the length of an SSID should be a maximum of 32 characters (32 octets, normally ASCII letters and digits, though the standard itself doesn't exclude values).
Some access point/router firmware versions use null-terminated strings and accept only 31 characters.
Here is the paragraph defining from the IEEE standard document :
Download link: PDF. Telecommunications and information exchange between systems — Local and metropolitan area networks — Specific requirementsPart 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications)*
This page says 32 characters.