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Web Slice is a web feed
Web feed
A web feed is a data format used for providing users with frequently updated content. Content distributors syndicate a web feed, thereby allowing users to subscribe to it. Making a collection of web feeds accessible in one spot is known as aggregation, which is performed by an aggregator...

 technology introduced in Internet Explorer 8
Internet Explorer 8
Windows Internet Explorer 8 is a web browser developed by Microsoft in the Internet Explorer browser series. The browser was released on March 19, 2009 for Windows XP, Windows Server 2003, Windows Vista, Windows Server 2008, and Windows 7. Both 32-bit and 64-bit builds are available...

 Beta 1 that allows certain portions of a web page to be subscribed to. Internet Explorer
Internet Explorer
Windows Internet Explorer is a series of graphical web browsers developed by Microsoft and included as part of the Microsoft Windows line of operating systems, starting in 1995. It was first released as part of the add-on package Plus! for Windows 95 that year...

 allows users to preview the subscribed Web Slices in fly-out preview window. Web Slices are based on hAtom Microformat.

Microsoft developed the Web Slice format, and published a specification under the Microsoft Open Specification Promise
Microsoft Open Specification Promise
The Microsoft Open Specification Promise , is a promise by Microsoft, published in September 2006, to not assert legal rights over certain Microsoft patents on implementations of an included list of technologies....

. The specification is not published by any independent standards body. , Internet Explorer 8 is the only browser to support Web Slices natively, although Mozilla Firefox
Mozilla Firefox
Mozilla Firefox is a free and open source web browser descended from the Mozilla Application Suite and managed by Mozilla Corporation. , Firefox is the second most widely used browser, with approximately 25% of worldwide usage share of web browsers...

 has support via an add-on called webchunks.

Implementation

The Web Slice has 9 properties: the Web Slice id, entry title, entry content, end time, alternative display source, alternative navigation, alternative update source, and time to live.
The 3 required properties are: the Web Slice id, entry title, and entry content.

To disable Web Slices on a web page, add


To specify the default web slice on a page with multiple web slices, add

rel="default-slice"

type="application/x-hatom"

href="id of webslice"

/>

Mozilla Firefox

While Firefox does not have built in support for web slices, extensions have been created to give the ability to read web slices.

WebChunks

WebChunks is a Mozilla Firefox 3
Mozilla Firefox 3
Mozilla Firefox 3.0 is a version of the Firefox web browser released on June 17, 2008 by the Mozilla Corporation.Firefox 3.0 uses version 1.9 of the Gecko layout engine for displaying web pages. This version fixes many bugs, improves standard compliance, and implements many new web APIs compared to...

 implementation of Microsoft
Microsoft
Microsoft Corporation is an American public multinational corporation headquartered in Redmond, Washington, USA that develops, manufactures, licenses, and supports a wide range of products and services predominantly related to computing through its various product divisions...

 Webslices. It allows you to "follow" an area of a web page through a dedicated feed bookmarked in a new toolbar. With Greasemonkey
Greasemonkey
Greasemonkey is a Mozilla Firefox extension that allows users to install scripts that make on-the-fly changes to HTML web page content on the DOMContentLoaded event, which happens immediately after it is loaded in the browser .As Greasemonkey scripts are persistent, the changes made to the web...

, WebChunks can insert webchunks/webslices markup into any web page so the Webchunks extension handles it.

Fireclip

Fireclip is a Firefox addon that lets you "clip out" parts of a website and watch them for changes. It lets you track specific parts of a website in a similar manner to web slices.

PageSlices

Pageslices is a Firefox addon too. It allows you to not only store parts of websites but organize them by adding on custom pages. Web site of the project: http://pageslices.net.

Google Chrome

Google Chrome
Google Chrome
Google Chrome is a web browser developed by Google that uses the WebKit layout engine. It was first released as a beta version for Microsoft Windows on September 2, 2008, and the public stable release was on December 11, 2008. The name is derived from the graphical user interface frame, or...

, like Firefox, does not have built in support for web slices however the extension API
Google Chrome Extensions
Google Chrome Extensions are small programs that modify the Google Chrome browser. These extensions are written using web technologies like HTML, JavaScript, and CSS. Google Chrome Extensions are downloadable through the Google Chrome Extensions Gallery. So far, over 2,200 extensions have...

 new to Chrome 4 allows extensions to be created to give the ability to relatively simply create arbitrary webslices of any content from any page.

Opera

Although Opera 10
Opera 10
Opera 10 is a version of the Opera web browser. The initial version, 10.00, was released in September 2009.This release added a variety of new features, a new skin designed by Jon Hicks, increased standards support, and a new application icon to Opera...

 was rumored to have support for web slices, this did not come to pass. Opera does have a "widgetize" feature likened to web slices which allows web pages to be displayed on a user's desktop.

External links


Development

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