HTML URL Encoding Reference

▤ Summary

This article explains what a URL is and how browsers use it to request pages from web servers. It describes URL encoding, also called percent encoding, and shows how unsafe characters are converted into ASCII-safe formats. It notes that URLs cannot contain spaces and that spaces are usually replaced with plus signs or %20. It also explains that browsers encode input based on the page character set and that HTML5 defaults to UTF-8.

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