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Learn how to interpret a URL (Uniform Resource Locator) |
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Protocol/Server.Domain/Folder/File Name/ Extension |
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Example: http://www.quia.com/pages/norwelltechnology.html |
| Protocol | http | Type of web page - (Hypertext Transfer Protocol) |
| Server.Domain | quia.com | Quia is the server that hosts the Web page - Domain is commercial |
| Folder | pages | Folder on the Quia server where file is stored |
| File Name | norwelltechnology | Name given to the Web page or file
WATCH for ~ means personal web site
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| Extension | html | Hypertext Markup Language - programming language of the Web |
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Domains |
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| com | commercial | net | network |
| org | non-profit | mil | military |
| edu | educational institution | co.xx | country code |
| gov | government | ||
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Extensions Found in URLs |
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| .html | hypertext markup language | .doc | document |
| .asp | active server page | .aiff | audio interchange |
| portable document format | file format | ||
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Web Page Evaluation |
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Look for dates - last update |
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Find the author |
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Purpose of the page |
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Reliability - is the information from a reliable source |
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Extension Codes for Files |
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Most common image types are in *bold. |
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| *AVI | Microsoft Audio Video Interleaved file format | MPA | MPEG animation |
| *ART | Clip Art file format | MPE | MPEG animation |
| *BMP | Windows or OS/2 bitmap | *MPEG | Animation |
| DLS | DownLoadable Sound | PCD | Photo CD Image |
| *GIF | CompuServe graphics bitmap | *PCX | PC Paintbrush bitmap |
| GL | Animation format | PCS | Animation |
| *JPG | JPEG Format | PCT | Macintosh PICT Drawing |
| JFF | JPEG Format | *PIC | Macintosh drawing, Lotus picture, Paint bitmap |
| JIF | JPEG Format | PNG | Portable Bitmap Graphic |
| JPE | JPEG Format | PP4 | Picture Publisher Bitmap |
| JPEG | JPEG compressed bitmap | PPS | Paintshop Pro Image |
| FLI | AutoDesk FLIC animation | PSD | Adobe Photoshop Image |
| *MOV | QuickTime for Windows movie | SCR | Fax Image |
| MPG | Animation | TIFF | Tag Image File Format (bitmap) |
| MP3 | Audio layer-MPEG (also MP2) | *TIF | Tag Image File Format (bitmap) |
| Home Page Internet Safety Search Tools Copyright URLs Spyware Antivirus Software |
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Created by Janet Eskin |
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Technology Integration Specialist K-12 |
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| ClipArt: www.animationfactory.com |
November 2004 |