A URL is another word for a web address,a URL can be composed of words (example.com), or an Internet Protocol (IP) address (192.160.161.161).
Web broesers request pages from web server by using a URL.a URL is used to address a document on the web.a web address like https://www.some-url.com/file/index.htm.
scheme://prefix.domain:port/path/filenam
Scheme |
Short |
Used for |
|---|---|---|
http |
HyperText Transfer Protocol |
Common Web Pages.Not encrypted |
https |
Secure HyperText Transfer Protocol |
Secure Web Pages.Encrypted |
ftp |
File Transfer Protocol |
Downloading or Uploading File. |
URLs can only be sent over the internet using the ASCLL character-set.if a URL contains character outside the ASCLL set,the URL has to be converted.
Character |
From Windows-1252 |
From UTF-8 |
|---|---|---|
| € | %80 | %E2%82%AC |
| £ | %A3 | %C2%A3 |
| © | %A9 | %C2%A9 |
| ® | %AE | %C2%AE |
| À | %C0 | %C3%80 |
| Á | %C1 | %C3%81 |
| Â | %C2 | %C3%82 |
| Ã | %C3 | %C3%83 |
| Ä | %C4 | %C3%84 |
| Å | %C5 | %C3%85 |