Gecko layout engine

E405891

browser engine layout engine web browser engine

Gecko layout engine is Mozilla's open-source web browser engine responsible for rendering web pages and powering applications like Firefox.

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All labels observed (4)

Label	Occurrences
Gecko layout engine canonical	2
Firefox Quantum CSS engine (Stylo)	1
Gecko engine	1
NGLayout	1

How this entity was disambiguated

This entity first appeared as the object of triple T4018888 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Gecko layout engine
Context triple: [Mozilla, created, Gecko layout engine]

A. Trident layout engine
Trident layout engine is Microsoft's proprietary web page rendering engine used by Internet Explorer to display and interpret HTML, CSS, and related web technologies.
B. Blink layout engine
Blink layout engine is an open-source browser engine developed primarily by Google to render web pages in Chromium-based browsers and other applications.
C. Chromium rendering engine
The Chromium rendering engine is an open-source browser engine developed by Google that powers the display and execution of web content in Chromium-based browsers.
D. WebKit
WebKit is an open-source web browser engine, originally developed by Apple, that powers the rendering and execution of web content in browsers like Safari.
E. WebCore
WebCore is the layout, rendering, and DOM engine at the heart of the WebKit browser framework, responsible for interpreting and displaying web content.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Gecko layout engine
Target entity description: Gecko layout engine is Mozilla's open-source web browser engine responsible for rendering web pages and powering applications like Firefox.

A. Trident layout engine
Trident layout engine is Microsoft's proprietary web page rendering engine used by Internet Explorer to display and interpret HTML, CSS, and related web technologies.
B. Blink layout engine
Blink layout engine is an open-source browser engine developed primarily by Google to render web pages in Chromium-based browsers and other applications.
C. Chromium rendering engine
The Chromium rendering engine is an open-source browser engine developed by Google that powers the display and execution of web content in Chromium-based browsers.
D. WebKit
WebKit is an open-source web browser engine, originally developed by Apple, that powers the rendering and execution of web content in browsers like Safari.
E. WebCore
WebCore is the layout, rendering, and DOM engine at the heart of the WebKit browser framework, responsible for interpreting and displaying web content.
F. None of above. chosen

Statements (72)

Predicate	Object
instanceOf	browser engine ⓘ layout engine ⓘ web browser engine ⓘ
competesWith	Blink ⓘ EdgeHTML ⓘ Trident ⓘ WebKit ⓘ
developer	Mozilla ⓘ Mozilla ⓘ surface form: Mozilla Corporation Mozilla Foundation ⓘ
feature	JavaScript JIT compilation via SpiderMonkey ⓘ hardware-accelerated rendering ⓘ incremental layout ⓘ
implements	CSS specifications ⓘ DOM specifications ⓘ ECMAScript standard ⓘ HTML specifications ⓘ W3C web standards ⓘ WHATWG web standards ⓘ
integratedInto	Mozilla Firefox ⓘ surface form: Firefox Quantum
license	MPL ⓘ Mozilla Public License ⓘ
maintainer	Mozilla ⓘ surface form: Mozilla community
openSource	true ⓘ
partOf	Mozilla platform ⓘ
platform	cross-platform ⓘ
programmingLanguage	C ⓘ C++ ⓘ
relatedTo	Servo ⓘ
replaced	NGLayout ⓘ
repository	https://hg.mozilla.org/mozilla-central/ ⓘ
supports	ARIA ⓘ Accessibility APIs ⓘ CSS ⓘ CSS ⓘ surface form: CSS3 DOM ⓘ ECMAScript ⓘ HTML ⓘ HTML5 ⓘ HTTP ⓘ HTTPS ⓘ JavaScript ⓘ SVG ⓘ Service Workers ⓘ WebExtensions API ⓘ surface form: WebExtensions WebGL ⓘ WebRTC ⓘ multi-process architecture (Electrolysis in Firefox) ⓘ
supportsArchitecture	ARM ⓘ x86 ⓘ x86-64 ⓘ
supportsOperatingSystem	Android ⓘ Linux ⓘ Windows ⓘ macOS ⓘ
usedBy	Firefox OS ⓘ surface form: B2G (Boot to Gecko) Mozilla Firefox ⓘ surface form: Firefox ESR Firefox OS ⓘ surface form: Firefox OS (Gaia apps) Mozilla platform ⓘ surface form: Firefox for Android (legacy) GNU IceCat ⓘ K-Meleon ⓘ Mozilla Firefox ⓘ Pale Moon ⓘ Mozilla SeaMonkey ⓘ surface form: SeaMonkey Thunderbird ⓘ The Tor Project ⓘ surface form: Tor Browser Waterfox ⓘ various Mozilla-based applications ⓘ
usedFor	implementing web standards ⓘ layout and rendering of web content ⓘ rendering web pages ⓘ
usedIn	cross-platform applications ⓘ

How these facts were elicited

Referenced by (5)

Full triples — surface form annotated when it differs from this entity's canonical label.

Mozilla → created → Gecko layout engine ⓘ

Servo browser engine → influenced → Gecko layout engine ⓘ

subject surface form: Servo

this entity surface form: Firefox Quantum CSS engine (Stylo)

Gecko → originalName → Gecko layout engine ⓘ

this entity surface form: NGLayout

Mozilla Messaging → softwareFrameworkUsed → Gecko layout engine ⓘ

this entity surface form: Gecko engine

XUL user interface language → executedBy → Gecko layout engine ⓘ

subject surface form: XUL

All labels observed (4)

How this entity was disambiguated Show

Statements (72)

How these facts were elicited Show

Referenced by (5)

How this entity was disambiguated

How these facts were elicited