Background Sync API
E203899
The Background Sync API is a web platform feature that lets web applications defer actions like network requests until the user has a stable internet connection, enabling more reliable offline-capable experiences.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Background Sync API canonical | 4 |
| Periodic Background Sync | 1 |
| Periodic Background Sync API | 1 |
| SyncEvent | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1831771 — 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: Background Sync API Context triple: [Progressive Web Apps, usesTechnology, Background Sync API]
-
A.
Whispersync
Whispersync is an Amazon Kindle technology that automatically syncs a reader’s last page read, bookmarks, and annotations across devices and apps.
-
B.
WebExtensions API
The WebExtensions API is a cross-browser extension framework that lets developers create add-ons using standardized web technologies like JavaScript, HTML, and CSS.
-
C.
Google One Android app
Google One Android app is a mobile application that lets Google One subscribers manage their cloud storage, access support, and use member benefits directly from their Android devices.
-
D.
Kii Channel
The Kii Channel is a strait in western Japan that separates the islands of Honshu and Shikoku and links the Seto Inland Sea with the Pacific Ocean.
-
E.
Epic Privacy Browser
Epic Privacy Browser is a Chromium-based web browser focused on protecting user privacy through built-in ad and tracker blocking, encrypted proxy, and minimal data collection.
- 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: Background Sync API Target entity description: The Background Sync API is a web platform feature that lets web applications defer actions like network requests until the user has a stable internet connection, enabling more reliable offline-capable experiences.
-
A.
Whispersync
Whispersync is an Amazon Kindle technology that automatically syncs a reader’s last page read, bookmarks, and annotations across devices and apps.
-
B.
WebExtensions API
The WebExtensions API is a cross-browser extension framework that lets developers create add-ons using standardized web technologies like JavaScript, HTML, and CSS.
-
C.
Google One Android app
Google One Android app is a mobile application that lets Google One subscribers manage their cloud storage, access support, and use member benefits directly from their Android devices.
-
D.
Kii Channel
The Kii Channel is a strait in western Japan that separates the islands of Honshu and Shikoku and links the Seto Inland Sea with the Pacific Ocean.
-
E.
Epic Privacy Browser
Epic Privacy Browser is a Chromium-based web browser focused on protecting user privacy through built-in ad and tracker blocking, encrypted proxy, and minimal data collection.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Service Worker API
ⓘ
Web API ⓘ Web platform feature ⓘ |
| allows |
handling sync events in a service worker
ⓘ
registration of background sync tags ⓘ |
| benefit |
improves user experience on unstable networks
ⓘ
reduces failed requests due to temporary offline state ⓘ |
| browserSupport |
limited or no support in some other browsers
ⓘ
supported in Chromium-based browsers ⓘ |
| constraint |
execution time and frequency are limited by the browser
ⓘ
not intended for precise timing ⓘ |
| controlledBy | user agent scheduling policies ⓘ |
| designedFor |
progressive web apps
ⓘ
web applications ⓘ |
| enables |
background synchronization of data
ⓘ
deferring network requests until connectivity is stable ⓘ reliable offline-capable web experiences ⓘ retrying failed network operations later ⓘ |
| event | sync ⓘ |
| eventTarget |
Service Workers
ⓘ
surface form:
ServiceWorkerGlobalScope
|
| exposesInterface |
Background Sync API
self-linksurface differs
ⓘ
surface form:
SyncEvent
SyncManager ⓘ |
| keyConcept |
one-off background sync
ⓘ
periodic background sync ⓘ |
| method | SyncManager.register() ⓘ |
| partOf | Progressive Web App technologies ⓘ |
| primaryGoal |
allow work to be deferred until the user has connectivity
ⓘ
improve reliability of web apps on flaky networks ⓘ |
| relatedTo |
Background Fetch API
ⓘ
Offline-first web app design ⓘ Push API ⓘ Service Workers ⓘ |
| requires |
Service Workers
ⓘ
user agent power and data usage considerations ⓘ |
| securityModel |
requires HTTPS
ⓘ
requires user agent control over scheduling ⓘ |
| specStatus | draft specification ⓘ |
| standardizedBy |
World Wide Web Consortium
ⓘ
surface form:
W3C
|
| supports |
queueing of sync tasks
ⓘ
resuming operations after connectivity is restored ⓘ |
| typicalUseCase |
sending analytics or logs when online
ⓘ
syncing form submissions when connectivity returns ⓘ syncing messages or content in the background ⓘ |
| uses |
Service Worker registration
ⓘ
background sync events ⓘ |
| version |
One-off Background Sync
ⓘ
Background Sync API self-linksurface differs ⓘ
surface form:
Periodic Background Sync
|
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Background Sync API Description of subject: The Background Sync API is a web platform feature that lets web applications defer actions like network requests until the user has a stable internet connection, enabling more reliable offline-capable experiences.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Service Worker
this entity surface form:
SyncEvent
this entity surface form:
Periodic Background Sync
this entity surface form:
Periodic Background Sync API