- Visit the NATA Foundation website to see how you can support its efforts to grow athletic training. For the Public If you're a member of the general public who is looking for more information about athletic training, youth sports safety or specific health issues, we encourage you to visit our external website.
- External Link Policy Hyperlinks to a website are allowed only if the website is sponsored, supported, or partnered by the U.S. Department of State; is educational in nature; or is another Government website, including those sites sponsored by State or local governments. Department of State will not allow any hyperlinks to any websites.
| In the default skin, en.Wikipedia uses only two external link icons; one for PDF documents and the other for all other external links. Some other skins use additional icons. |
This help page is a how-to guide. It details processes or procedures of some aspect(s) of Wikipedia's norms and practices. It is not one of Wikipedia's policies or guidelines, and may reflect varying levels of consensus and vetting. |
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| You can test how this page looks in the different skins with these links: Cologne Blue·MinervaNeue (mobile) ·Modern·MonoBook·Timeless·Vector |
| Linking and page manipulation |
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External links usually display an icon at the end of the link. CSS is used to check for certain filename extensions or URI schemes and apply an icon specific to that file type, based on the selected skin.
This page contains example URLs to demonstrate the link icons. The displayed icon only depends on the URL itself. It is not checked whether a file of that type is actually at the link. The examples here do not link to real files.
Explanation[edit]
MediaWiki software detects URI schemes and/or filename extensions to create a link; thus links without an URI will not have an external link applied. MediaWiki does not attempt to detect any part of the URL to create a link, such as www, which many websites do not use in the URL.
The standard Wikipedia skin, Vector, only shows PDF icons, as does Cologne Blue. Modern, MonoBook and Timeless show a full set of filename extensions icons and some URI scheme icons; Minerva (mobile) shows none. Icons are defined in the CSS for each skin except for the PDF icon, which is displayed if 'pdf' is anywhere in the filename extension.[a]
Filename extension icons are displayed only if the extension matches the text. Filename extension icons have precedence over URI scheme icons. Internet Explorer may show an empty space or misplaced icon if the page is rendered with a line wrap inside the link text. Link icons do not adhere to accessibility standards, since alt text cannot be added.
Example[edit]
| Use these links to view this page with a different skin: Cologne Blue·MinervaNeue (mobile) ·Modern·MonoBook·Timeless·Vector | ||
|---|---|---|
| Type | File extension | Sample link |
| Portable Document Format | .pdf .PDF, .pdf# .PDF# .pdf? .PDF? | http://example.org/test.pdf |
| Audio Video Interleave | .avi .AVI | http://example.org/test.avi |
| MPEG-1 | .mpg .MPG .mpeg .MPEG | http://example.org/test.mpg |
| Ogg | .ogm .OGM | http://example.org/test.ogm |
| MIDI | .MID .midi .MID | http://example.org/test.mid |
| MP3 | .MP3 | http://example.org/test.mp3 |
| Ogg Vorbis | .OGG | http://example.org/test.ogg |
| Waveform Audio File Format | .WAV* | http://example.org/test.wav |
| Windows Media Audio | .wma .WMA | http://example.org/test.wma |
| Type | URI scheme | Sample link |
| Internet Relay Chat | irc:// ircs:// | irc://example.org |
| File Transfer Protocol | ftp:// | ftp://example.org |
| Network News Transfer Protocol | news: | news:example.org |
| mailto | mailto: | mailto:example@example.org |
| HTTP Secure | https:// | https://example.org/test.html |
| Apache Subversion | svn:// | svn://example.org/ |
| Bitcoin | bitcoin:// | bitcoin://example.org/ |
| FTPS | ftps:// | ftps://example.org/ |
| Geo URI | geo: | geo:37.786971,-122.399677 |
| Git | git:// | git://example.org/ |
| Gopher | gopher:// | gopher://example.org |
| Hypertext Transfer Protocol | http:// | http://example.org |
| Magnet URI scheme | magnet:// | magnet://example.org/ |
| Multimedia Messaging Service | mms:// | mms://example.org/ |
| NASA World Wind | worldwind:// | worldwind://example.org/ |
| Network News Transfer Protocol | nntp:// | nntp://example.org/ |
| Secure Shell | ssh:// | ssh://example.org/ |
| Secure Session Initiation Protocol | sips:// | sips://example.org/ |
| Session Initiation Protocol | sip:// | sip://example.org/ |
| Short Message Service | sms:// | sms://example.org/ |
| SSH File Transfer Protocol | sftp:// | sftp://example.org/ |
| Telephone | tel:// | tel://example.org/ |
| Telnet | telnet:// | telnet://example.org/ |
| Uniform resource name | urn: | urn:isbn:0451450523 |
| XMPP | xmpp:// | xmpp://example.org/ |
Hiding link icons[edit]
A link icon can be hidden with plainlinks, but this is not advisable.
Custom link icons[edit]
Custom icons can be added by editing Special:MyPage/skin.css (current skin only) or Special:MyPage/common.css (all skins). For example, to add an icon for Excel files:
When successfully updated, this link will show an Excel icon:
- http://example.org/test.xls
The markup detects file extensions .xls or .xlsx with both upper and lower case. The image must be 16 pixels wide and cannot be SVG format. The image link must be from http://upload.wikimedia.org. To get this link, go to the file page and click on the image to open it without the file description, then copy the URL.
Marble blast free game. As Marble Blast does not have any kind of rewind inbuilt, custom scripting tools were built by HiGuy from the ground up in order to execute frame perfect inputs, followed by a conversion to the game's internal.rec format to replay the script.
To remove a default icon, simply add the CSS with no URL. For example, to remove the padlock icon when viewing secure links:
To remove all the default icons, use this CSS:
Bugs[edit]
- bug 20024 - a destination-dependent icon should be shown for interwiki links
- bug 30682 - Link icon inconsistencies when using protocol relative URLs
- bug 45891 - External link icons should have alt text
- bug 54604 - Large number of CSS rules for external links - (re-opened)
bugzilla:61178- Remove yellow padlock icons on HTTPS links - (and discussion for Enwiki at MediaWiki talk:Vector.css#Padlock for secure links)bugzilla:63521- Default external link icons should be a module
See also[edit]
| Wikimedia Commons has media related to External link icons. |
Notes[edit]
Angular Redirect To External Site
- ^The default PDF icon is a generic document icon, but is changed to through Common.css.
External Website Security Basics
MediaWiki software detects URI schemes and/or filename extensions to create a link; thus links without an URI will not have an external link applied. MediaWiki does not attempt to detect any part of the URL to create a link, such as www, which many websites do not use in the URL.
The standard Wikipedia skin, Vector, only shows PDF icons, as does Cologne Blue. Modern, MonoBook and Timeless show a full set of filename extensions icons and some URI scheme icons; Minerva (mobile) shows none. Icons are defined in the CSS for each skin except for the PDF icon, which is displayed if 'pdf' is anywhere in the filename extension.[a]
Filename extension icons are displayed only if the extension matches the text. Filename extension icons have precedence over URI scheme icons. Internet Explorer may show an empty space or misplaced icon if the page is rendered with a line wrap inside the link text. Link icons do not adhere to accessibility standards, since alt text cannot be added.
Example[edit]
| Use these links to view this page with a different skin: Cologne Blue·MinervaNeue (mobile) ·Modern·MonoBook·Timeless·Vector | ||
|---|---|---|
| Type | File extension | Sample link |
| Portable Document Format | .pdf .PDF, .pdf# .PDF# .pdf? .PDF? | http://example.org/test.pdf |
| Audio Video Interleave | .avi .AVI | http://example.org/test.avi |
| MPEG-1 | .mpg .MPG .mpeg .MPEG | http://example.org/test.mpg |
| Ogg | .ogm .OGM | http://example.org/test.ogm |
| MIDI | .MID .midi .MID | http://example.org/test.mid |
| MP3 | .MP3 | http://example.org/test.mp3 |
| Ogg Vorbis | .OGG | http://example.org/test.ogg |
| Waveform Audio File Format | .WAV* | http://example.org/test.wav |
| Windows Media Audio | .wma .WMA | http://example.org/test.wma |
| Type | URI scheme | Sample link |
| Internet Relay Chat | irc:// ircs:// | irc://example.org |
| File Transfer Protocol | ftp:// | ftp://example.org |
| Network News Transfer Protocol | news: | news:example.org |
| mailto | mailto: | mailto:example@example.org |
| HTTP Secure | https:// | https://example.org/test.html |
| Apache Subversion | svn:// | svn://example.org/ |
| Bitcoin | bitcoin:// | bitcoin://example.org/ |
| FTPS | ftps:// | ftps://example.org/ |
| Geo URI | geo: | geo:37.786971,-122.399677 |
| Git | git:// | git://example.org/ |
| Gopher | gopher:// | gopher://example.org |
| Hypertext Transfer Protocol | http:// | http://example.org |
| Magnet URI scheme | magnet:// | magnet://example.org/ |
| Multimedia Messaging Service | mms:// | mms://example.org/ |
| NASA World Wind | worldwind:// | worldwind://example.org/ |
| Network News Transfer Protocol | nntp:// | nntp://example.org/ |
| Secure Shell | ssh:// | ssh://example.org/ |
| Secure Session Initiation Protocol | sips:// | sips://example.org/ |
| Session Initiation Protocol | sip:// | sip://example.org/ |
| Short Message Service | sms:// | sms://example.org/ |
| SSH File Transfer Protocol | sftp:// | sftp://example.org/ |
| Telephone | tel:// | tel://example.org/ |
| Telnet | telnet:// | telnet://example.org/ |
| Uniform resource name | urn: | urn:isbn:0451450523 |
| XMPP | xmpp:// | xmpp://example.org/ |
Hiding link icons[edit]
A link icon can be hidden with plainlinks, but this is not advisable.
Custom link icons[edit]
Custom icons can be added by editing Special:MyPage/skin.css (current skin only) or Special:MyPage/common.css (all skins). For example, to add an icon for Excel files:
When successfully updated, this link will show an Excel icon:
- http://example.org/test.xls
The markup detects file extensions .xls or .xlsx with both upper and lower case. The image must be 16 pixels wide and cannot be SVG format. The image link must be from http://upload.wikimedia.org. To get this link, go to the file page and click on the image to open it without the file description, then copy the URL.
Marble blast free game. As Marble Blast does not have any kind of rewind inbuilt, custom scripting tools were built by HiGuy from the ground up in order to execute frame perfect inputs, followed by a conversion to the game's internal.rec format to replay the script.
To remove a default icon, simply add the CSS with no URL. For example, to remove the padlock icon when viewing secure links:
To remove all the default icons, use this CSS:
Bugs[edit]
- bug 20024 - a destination-dependent icon should be shown for interwiki links
- bug 30682 - Link icon inconsistencies when using protocol relative URLs
- bug 45891 - External link icons should have alt text
- bug 54604 - Large number of CSS rules for external links - (re-opened)
bugzilla:61178- Remove yellow padlock icons on HTTPS links - (and discussion for Enwiki at MediaWiki talk:Vector.css#Padlock for secure links)bugzilla:63521- Default external link icons should be a module
See also[edit]
| Wikimedia Commons has media related to External link icons. |
Notes[edit]
Angular Redirect To External Site
- ^The default PDF icon is a generic document icon, but is changed to through Common.css.
External Website Security Basics
Solarwinds External Websites Refused To Connect
