For the query portion, it really depends if your are reading it server side or client side and using the WHATWG standard[0] which itself just mirrors convention

For the query portion, it really depends if your are reading it server side or client side and using the WHATWG standard[0] which itself just mirrors convention. However, the standard dictating how a URL might be formed does not mandate anything about the query string that makes it parsable. [0]: https://url.spec.whatwg.org/#interface-urlsearchparams https://url.spec.whatwg.org/#interface-urlsearchparams