URL encoding the space character: + or %20? - Stack Overflow

As the aforementioned RFC does not include any reference of encoding spaces as +, I guess using %20 is the way to go today. For example, "%20" is the percent-encoding for the binary octet "00100000" (ABNF: %x20), which in US-ASCII corresponds to the space character (SP).

A html space is showing as %2520 instead of %20 - Stack Overflow

311 A bit of explaining as to what that %2520 is : The common space character is encoded as %20 as you noted yourself. The % character is encoded as %25. The way you get %2520 is when your url already has a %20 in it, and gets urlencoded again, which transforms the %20 to %2520. Are you (or any framework you might be using) double encoding ...

When should space be encoded to plus (+) or %20? [duplicate]

Sometimes the spaces get URL encoded to the + sign, and some other times to %20. What is the difference and why should this happen?

In a URL, should spaces be encoded using %20 or +? [duplicate]

@MetaByter I think it is more technically correct to phrase the question as "In a URL, should I encode the spaces using %20 or + in the query part of a URL?" because while the example you show includes spaces only in the query part, it might not be clear to all readers that the answer depends.

http - Spaces in URLs? - Stack Overflow

Since it's not mentioned anywhere in the grammar, the only way to encode a space is with percent-encoding (%20). In fact, the RFC even states that spaces are delimiters and should be ignored: In some cases, extra whitespace (spaces, line-breaks, tabs, etc.) may have to be added to break a long URI across lines.

The origin on why '%20' is used as a space in URLs

I am interested in knowing why '%20' is used as a space in URLs, particularly why %20 was used and why we even need it in the first place.

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