The address is parsed by the browser's own URL implementation, the same one that resolves links on every page, so what you see here is exactly how a browser reads it. It is broken into protocol, hostname, path, fragment and query parameters, with each parameter listed by name and decoded value.
Decoding the parameters is the part that saves the most time: a value carrying percent-encoded spaces, slashes or non-Latin characters is unreadable in the raw address and legible once decoded. A parameter may legitimately appear more than once, and each occurrence is listed separately rather than the last one silently winning.
Details worth knowing about URLs
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The fragment never reaches the server:
everything after the hash is handled by the browser alone. A parameter placed there will not appear in server logs or analytics.
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A parameter can repeat:
the same name may appear several times, and what happens then depends entirely on the receiving application. Some take the first, some the last, some collect all of them.
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Percent-encoding is not optional:
spaces, ampersands and slashes inside a value must be encoded or they change the structure of the address rather than sitting inside it.
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The address must be absolute to parse:
a path on its own has no protocol or host to read. Prefix it with a scheme and a domain before parsing.
Parsed the same way a browser reads any link
The address is parsed by the browser's own URL implementation — the same one that resolves every link on every page — so what the [msm_tool slug="url-parser"] shows is exactly how a browser would read it, broken into protocol, hostname, path, fragment and query parameters. Each parameter is listed by name alongside its already-decoded value, which is usually the actual reason to parse an address in the first place.
The fragment never reaches a server
Everything after the hash symbol is handled by the browser alone and is never sent as part of the request to whatever the address points at. A parameter placed there deliberately or by accident will not appear in server logs or in analytics captured server-side, which is a real, practical distinction rather than a formality.
A parameter can legitimately repeat
The same parameter name is allowed to appear more than once in a query string, and every occurrence is listed here rather than only the last. What actually happens with a repeated parameter depends entirely on whatever application receives it — some take the first value, some the last, some collect all of them into a list, and the URL format itself has no opinion on which is correct.
Percent-encoding is structural, not optional decoration
A space, an ampersand or a slash sitting unencoded inside a parameter's value changes the actual structure of the address rather than staying safely inside that one value. Encoding those characters is what keeps a value's contents from being read as part of the URL's own syntax.
An address needs to be absolute to parse at all
A bare path on its own has no protocol or host for the parser to work from, so it needs a scheme and a domain in front of it before parsing can succeed. This is the most common reason a URL that looks perfectly reasonable fails to parse here — it is a fragment of an address rather than a complete one.