Stéphane Épardaud (via Ilya Grigorik): This article describes common misconceptions about Uniform Resource Locator (URL) encoding, then attempts to clarify URL encoding for HTTP, before presenting frequent problems and their solutions. For example: This means that the “blue+light blue” string has to be encoded differently in the path and query parts: “http://example.com/blue+light%20blue?blue%2Blight+blue”. From there you … Continue reading What Every Web Developer Must Know About URL Encoding