#html url encode tutorial

URL Encoding is the process of converting string into valid URL format.URL stand for Uniform Resource Locator. Through URL web browsers request pages from web servers.

When you click on a link in an HTML page, an underlying  a tag points to an address on the world wide web. A Uniform Resource Locator is employed to address a document on the world wide web. html url encoding tutorial encoding is the practice of translating unprintable characters or characters with special meaning within URLs. Various characters are:

ASCII characters:  Unprintable characters usually employed for output control. Character ranges 00-1F hex (0-31 decimal) and 7F (127 decimal).

Non-ASCII characters – These are characters beyond the ASCII character set of 128 characters. This range is part of the ISO-Latin character set and includes the whole “top half” of the ISO-Latin set 80-FF hex (128-255 decimal).

The html url should only be sent over the Internet using the ASCII character-set.Since URLs often contain characters outside the ASCII set, the URL has to be converted into a valid ASCII format.Then URL encoding automatically convert the characters into a format that can be transmitted over the Internet.

The URL encoding use the “%” to replaces the non ASCII characters followed by two hexadecimal digits. The URLs should not contain spaces. The + sign is used by the URL encoding to replaces a space.