Information about Comparison Of Layout Engines (html)
| HTML |
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Character encodings Dynamic HTML Font family HTML editor HTML element HTML scripting Layout engine comparison Style Sheets Unicode and HTML W3C Web browsers comparison Web colors XHTML |
Only HTML 4 and XHTML 1 served as
text/html (so called "HTML compatible" XHTML) are considered. XHTML 2 is not considered as it is a redefinition of XHTML, which is not backward compatible. For more XHTML-related comparisons, please refer to comparison of layout engines (XHTML).
Version number, if possible, is provided for feature that is fully supported (based on HTML 4.01). Proprietary extensions are not included.
Engine nomenclature
| Layout Engine | Used By |
|---|---|
| Trident | Internet Explorer |
| Tasman | Internet Explorer for Mac |
| Gecko | All Mozilla software, including Firefox; GNOME's Galeon |
| WebCore | Mac OS X (Safari) |
| KHTML | KDE |
| Presto | Opera |
| iCab | iCab |
DOCTYPE sniffing
The way that the engines determine standards mode, quirks mode, or almost standards mode.| Trident | Tasman | Gecko | WebCore | KHTML | Presto | iCab | |||
|---|---|---|---|---|---|---|---|---|---|
| XHTML 1.1 | |||||||||
| Strict | Standards | ? | Standards | ? | Standards | Standards | ? | ||
| XHTML 1.0 | |||||||||
| Strict | Standards | ? | Standards | ? | Standards | Standards | ? | ||
| Transitional | Standards | ? | Almost | ? | Standards | Standards | ? | ||
| Frameset | Standards | ? | Almost | ? | Standards | Standards | ? | ||
| HTML 4.01 | |||||||||
| Strict | Standards | ? | Standards | ? | Standards | Standards | ? | ||
| Standards | ? | Standards | ? | Standards | Standards | ? | |||
| Transitional | Standards | Standards | Almost | ? | Standards | Standards | ? | ||
| Quirks | Quirks | Quirks | ? | Quirks | Quirks | ? | |||
| Frameset | Standards | ? | Almost | ? | Standards | Standards | ? | ||
| Quirks | ? | Quirks | ? | Quirks | Quirks | ? | |||
| HTML 4.0 | |||||||||
| Strict | Standards | Standards | Standards | ? | Standards | Standards | ? | ||
| Standards | ? | Standards | ? | Standards | Standards | ? | |||
| Transitional | Standards | ? | Quirks | ? | Quirks | Standards | ? | ||
| Quirks | ? | Quirks | ? | Quirks | Quirks | ? | |||
| Frameset | Standards | ? | Quirks | ? | Quirks | Standards | ? | ||
| Quirks | ? | Quirks | ? | Quirks | Quirks | ? | |||
General DOCTYPE sniffing notes
- Quirks mode — Emulates non-standard behaviors in Navigator 4 and MSIE. Generally used in HTML without DOCTYPE and HTML 3 or below. The amount of emulation differs between the layout engines, e.g. Gecko and Presto use the standardized W3C box layout model even in quirks mode. Thus the results are quite unpredictable in this mode.
- Standards mode — Follows W3C's recommendations.
Gecko DOCTYPE sniffing notes
- Almost standards mode — Implements the vertical sizing of table cells traditionally and not rigorously according to the CSS2 specification. Almost standards mode was created after 1.0 and 1.1alpha, but before 1.0.1 and 1.1beta. This mode is, however, similar to the standard modes of Trident, Presto and WebCore. Before almost standards mode was created these DOCTYPEs triggered standards mode.
Global structure elements
The global structure of the document.| Trident | Tasman | Gecko | WebCore | KHTML | Presto | iCab | |
|---|---|---|---|---|---|---|---|
| Basic structure | |||||||
| html | 5.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| head | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| body | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| Metadata | |||||||
| title | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| meta | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| Headings | |||||||
| h1 | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| h2 | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| h3 | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| h4 | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| h5 | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| h6 | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| Grouping elements | |||||||
| div | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| span | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
Text elements
Elements that represent text.| Trident | Tasman | Gecko | WebCore | KHTML | Presto | iCab | |
|---|---|---|---|---|---|---|---|
| Phrase | |||||||
| em | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| strong | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| dfn | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| code | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| samp | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| kbd | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| var | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| cite | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| abbr | 7.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| acronym | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| Quotations | |||||||
| blockquote | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| q | No | Yes | 1.8 | Yes | Yes | 7.0 | Yes |
| Subscripts and superscripts | |||||||
| sub | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| sup | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| Lines and paragraphs | |||||||
| p | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| pre | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| br | 5.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| Marking document changes | |||||||
| ins | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| del | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
Gecko text element notes
- q — Does not support nested quotes prior to 1.8 http://www.mozilla.org/projects/deerpark/new-web-dev-features.html.
List elements
Elements that represent lists of information.| Trident | Tasman | Gecko | WebCore | KHTML | Presto | iCab | |
|---|---|---|---|---|---|---|---|
| Unordered and ordered lists | |||||||
| ul | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| ol | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| li | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| Definition lists | |||||||
| dl | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| dt | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| dd | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
Table elements
Elements that represent tabular information.| Trident | Tasman | Gecko | WebCore | KHTML | Presto | iCab | |
|---|---|---|---|---|---|---|---|
| Basic table elements | |||||||
| table | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| caption | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| tr | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| th | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| td | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| Row groups | |||||||
| thead | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| tfoot | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | ? |
| tbody | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| Column groups | |||||||
| colgroup | 4.0 | ? | 1.0 | Yes | Yes | 7.0 | Yes |
| col | 4.0 | ? | 1.0 | Yes | Yes | 7.0 | Yes |
Link elements
Hyperlinks, one of the primary forces driving the success of the World Wide Web.| Trident | Tasman | Gecko | WebCore | KHTML | Presto | iCab | |
|---|---|---|---|---|---|---|---|
| a | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| link | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| base | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
Multimedia elements
Multimedia features including images, applets , video clips, and other HTML documents.| Trident | Tasman | Gecko | WebCore | KHTML | Presto | iCab | |
|---|---|---|---|---|---|---|---|
| Images | |||||||
| img | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| Generic inclusion | |||||||
| object | Incorrect | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| param | 6.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| Image maps | |||||||
| map | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| area | 5.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| Deprecated | |||||||
| applet | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
Trident multimedia element notes
- object — For images, a frame will be added to the object. Other content types are not supported and the element is incorrectly implemented as an ActiveX wrapper. Nested objects fallback mechanism is not supported prior to version 7. http://petesguide.com/WebStandards/tests/object/fallback.html http://msdn.microsoft.com/library/default.asp?url=/workshop/essentials/whatsnew/whatsnew_70_sdk.asp
Frame elements
Elements to present documents in multiple views, which may be independent windows or subwindows. Frame layout is only available in the frameset profiles. All frames are not available in XHTML 1.1 (use generic object elements instead for inline frames).| Trident | Tasman | Gecko | WebCore | KHTML | Presto | iCab | |
|---|---|---|---|---|---|---|---|
| Frame layout | |||||||
| frameset | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| frame | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| noframes | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| Inline frames | |||||||
| iframe | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
Form elements
The user interface controls for interacting with the web server.| Trident | Tasman | Gecko | WebCore | KHTML | Presto | iCab | |
|---|---|---|---|---|---|---|---|
| Basic structure | |||||||
| form | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| fieldset | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| legend | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| Form controls and labels | |||||||
| input | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| textarea | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| button | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| label | 4.0 | Yes | 1.0 | Yes | 3.4.2 | 7.0 | Yes |
| List boxes (combo boxes) | |||||||
| select | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| optgroup | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| option | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
KHTML form elements notes
- label — Label is focusable prior to 3.4.2.
Presentational elements
Elements that specify presentational information. Although not all elements are deprecated, their use is discouraged in favor of stylesheets. Deprecated elements are not available in the strict profiles and XHTML 1.1.| Trident | Tasman | Gecko | WebCore | KHTML | Presto | iCab | |
|---|---|---|---|---|---|---|---|
| Font styles | |||||||
| b | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| i | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| big | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| small | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| tt | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| Horizontal rules | |||||||
| hr | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| Deprecated | |||||||
| u | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| s | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| strike | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
Stylesheet elements
The ways to apply stylesheets (CSS) to the document.| Trident | Tasman | Gecko | WebCore | KHTML | Presto | iCab | |
|---|---|---|---|---|---|---|---|
| Using link element | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| style | 5.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
Script elements
Elements for embedding client-side script (JavaScript). See also DOM Events for a list of attributes used to attach an event handler to an element.| Trident | Tasman | Gecko | WebCore | KHTML | Presto | iCab | |
|---|---|---|---|---|---|---|---|
| script | 6.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
Language elements
Elements related to language information.| Trident | Tasman | Gecko | WebCore | KHTML | Presto | iCab | |
|---|---|---|---|---|---|---|---|
| bdo | 5.0 | ? | 1.0 | Yes | Partial | 7.0 | ? |
KHTML language element notes
- bdo — While alphabetic and alphanumeric words are affected, numeric (numbers only) words are not.
Generic attributes
Attributes that can be used in any elements.| Trident | Tasman | Gecko | WebCore | KHTML | Presto | iCab | |
|---|---|---|---|---|---|---|---|
| Element identifiers | |||||||
| id | 3.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| class | 3.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| Inline styles | |||||||
| style | 3.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| Advisory information | |||||||
| title | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| Language information | |||||||
| lang | 4.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
| dir | 5.0 | Yes | 1.0 | Yes | Yes | 7.0 | Yes |
References
- MSDN Library. CSS Enhancements in Internet Explorer 6. Retrieved on May 1, 2005.
- Mozilla Developer Documentation. Mozilla's DOCTYPE sniffing. Retrieved on May 1, 2005.
- Opera Documentation. The Opera 7 and 8 DOCTYPE Switches. Retrieved on May 1, 2005.
- Opera Documentation. Specification support - HTML. Retrieved on May 1, 2005.
- O'Reilly Network. Use the Right Doctype. Retrieved on May 1, 2005.
- Apple Developer Connection. Safari HTML Reference. Retrieved on July 14, 2005.
External links
- webref.info HTML Reference
- Activating the Right Layout Mode Using the Doctype Declaration
- Doctypes and their respective layout mode
- HTML Support History
- Web browser HTML support
- W3Schools XHTML 1.0 Reference
Layout engines |
|---|
HTML (Hypertext Markup Language)
File extension:
MIME type:
Type code: TEXT
..... Click the link for more information.
File extension:
.html, .htmMIME type:
text/htmlType code: TEXT
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character references, which can be numeric character references (decimal or hexadecimal) or character entity references. Character entity references are also sometimes referred to as named entities, or HTML entities for HTML.
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Dynamic HTML or DHTML is a collection of technologies used together to create interactive and animated web sites by using a combination of a static markup language (such as HTML), a client-side scripting language (such as JavaScript), a presentation definition language
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font face or font family is the typeface that is applied to some text.
The font family and other presentational attributes of fonts are applied in HTML code using Cascading Style Sheets (CSS) or the deprecated HTML font element.
Sample text.
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The font family and other presentational attributes of fonts are applied in HTML code using Cascading Style Sheets (CSS) or the deprecated HTML font element.
Sample text.
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HTML editor is a software application for creating web pages. Although the HTML markup of a web page can be written with any text editor, specialized HTML editors can offer convenience and added functionality.
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HTML element indicates structure in an HTML document and a way of hierarchically arranging content. More specifically, an HTML element is an SGML element that meets the requirements of one or more of the HTML Document Type Definitions (DTDs).
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HTML
Character encodings
Dynamic HTML
Font family
HTML editor
HTML element
HTML scripting
Layout engine comparison
Style Sheets
Unicode and HTML
W3C
Web browsers comparison
Web colors
XHTML
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Character encodings
Dynamic HTML
Font family
HTML editor
HTML element
HTML scripting
Layout engine comparison
Style Sheets
Unicode and HTML
W3C
Web browsers comparison
Web colors
XHTML
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Web style sheets are a form of separation of presentation and content for web design in which the markup (i.e., HTML or XHTML) of a webpage contains the page's semantic content and structure, but does not define its visual layout (style).
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hypertext markup language (HTML) may contain multilingual text represented with the Unicode universal character set.
The relationship between Unicode and HTML tends to be a difficult topic for many computer professionals, document authors, and web users alike.
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The relationship between Unicode and HTML tends to be a difficult topic for many computer professionals, document authors, and web users alike.
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World Wide Web Consortium
Consortium
Founded October 1994
Founder Tim Berners-Lee
Headquarters MIT/CSAIL in USA
ERCIM in France
Keio University in Japan
and many other offices around the world
Website www.w3.
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Consortium
Founded October 1994
Founder Tim Berners-Lee
Headquarters MIT/CSAIL in USA
ERCIM in France
Keio University in Japan
and many other offices around the world
Website www.w3.
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?
AOL Explorer America Online, Inc Free No Proprietary Trident
Arachne xChaos Software/Arachne Labs Free Yes GPL Proprietary
Avant Avant Force Free No Proprietary Trident
Camino The Camino Project Free Yes MPL, MPL/GPL/LGPL tri-license Gecko
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AOL Explorer America Online, Inc Free No Proprietary Trident
Arachne xChaos Software/Arachne Labs Free Yes GPL Proprietary
Avant Avant Force Free No Proprietary Trident
Camino The Camino Project Free Yes MPL, MPL/GPL/LGPL tri-license Gecko
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Web colors are colors used in designing web pages, and the methods for describing and specifying those colors.
Authors of web pages have a variety of options available for specifying colors for elements of web documents.
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Authors of web pages have a variety of options available for specifying colors for elements of web documents.
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XHTML
File extension:
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File extension:
.xhtml, .xht, .html, ...... Click the link for more information.
HTML (Hypertext Markup Language)
File extension:
MIME type:
Type code: TEXT
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File extension:
.html, .htmMIME type:
text/htmlType code: TEXT
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A layout engine, or rendering engine, is software that takes web content (such as HTML, XML, image files, etc.) and formatting information (such as CSS, XSL, etc.) and displays the formatted content on the screen.
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XHTML
File extension:
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File extension:
.xhtml, .xht, .html, ...... Click the link for more information.
- ^]]
References
- W3C .
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Trident (also known as MSHTML) is the name of the layout engine for the Microsoft Windows version of Internet Explorer. It was first introduced with the release of Internet Explorer version 4 in October 1997, has been steadily upgraded and remains in use today.
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Windows Internet Explorer (formerly Microsoft Internet Explorer abbreviated MSIE), commonly abbreviated to IE, is a series of proprietary graphical web browsers developed by Microsoft and included as part of the Microsoft Windows line of operating systems
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Tasman is the name of the layout engine introduced with version 5 of Internet Explorer for Mac. Tasman was an attempt to improve support for web standards, as defined by the World Wide Web Consortium.
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Maintainer: Microsoft
OS: Mac OS X, Mac OS
Use: Web browser
License: Proprietary
Website: [1] Internet Explorer for Mac (also referred to as Internet Explorer:mac, IE:mac or
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OS: Mac OS X, Mac OS
Use: Web browser
License: Proprietary
Website: [1] Internet Explorer for Mac (also referred to as Internet Explorer:mac, IE:mac or
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Gecko is the open source, free software web browser layout engine used in all Mozilla-branded software and its derivatives, including later Netscape releases. Written in C++ and licensed under MPL/GPL/LGPL tri-license, Gecko is designed to support open Internet standards.
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Mozilla was the official, public, original name of Mozilla Application Suite by the Mozilla Foundation, currently known as SeaMonkey suite.
In informal use it has been used in a number of ways and in combination with other phrases, though all of them have been
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In informal use it has been used in a number of ways and in combination with other phrases, though all of them have been
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Maintainer: Mozilla Corporation / Mozilla Foundation
OS: Cross-platform
Available language(s): Multilingual,[1] EULA in English only[2]
Use: Web browser
License: Mozilla EULA for binary redistribution
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OS: Cross-platform
Available language(s): Multilingual,[1] EULA in English only[2]
Use: Web browser
License: Mozilla EULA for binary redistribution
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WebCore is a framework developed by Apple, and licensed under the LGPL, to provide an HTML layout engine for Mac OS X. It is one of the two primary components of the WebKit framework (the other being JavaScriptCore).
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Mac OS X (IPA: /mæk.oʊ.ɛs.tɛn/) is a line of graphical operating systems developed, marketed, and sold by Apple Inc., the latest of which is pre-loaded on all currently shipping Macintosh computers.
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Maintainer: Apple Inc.
OS: Mac OS X, Microsoft Windows
Use: Web browser
License: Proprietary EULA, LGPL
Website: Apple: Safari
Safari is a web browser developed by Apple Inc. and included in Mac OS X.
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OS: Mac OS X, Microsoft Windows
Use: Web browser
License: Proprietary EULA, LGPL
Website: Apple: Safari
Safari is a web browser developed by Apple Inc. and included in Mac OS X.
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KHTML is the HTML layout engine developed by the KDE project. It is the engine used by the Konqueror web browser, and a forked version (WebKit) is used by Apple's Safari web browser. Distributed under the terms of the GNU Lesser General Public License, KHTML is free software.
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Maintainer: The KDE Team
OS: Cross-platform
Available language(s): Multilingual (80 different languages.)
Use: Desktop environment
License: GNU General Public License and others
Website: [1] KDE (
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OS: Cross-platform
Available language(s): Multilingual (80 different languages.)
Use: Desktop environment
License: GNU General Public License and others
Website: [1] KDE (
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Presto is the name of a layout engine for the Opera web browser developed by Opera Software. It was first released (following several public betas and technical previews) on January 28, 2003 in Opera 7.0 for Windows; it is the current layout engine being used by the browser.
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This article is copied from an article on Wikipedia.org - the free encyclopedia created and edited by online user community. The text was not checked or edited by anyone on our staff. Although the vast majority of the wikipedia encyclopedia articles provide accurate and timely information please do not assume the accuracy of any particular article. This article is distributed under the terms of GNU Free Documentation License.
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