Service Worker Blocking | Consenta

Service Worker Blocking: No Background Code Without Consent

Block service workers, background sync and push notifications reliably until active consent. No uncontrolled background code without consent.

14-day money-back · Cancel anytime · GDPR-compliant · Local in WordPress

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SW
Service Worker
Sync
Background Sync
L3
Level 3
100%
Complete

What are Service Workers?

Service workers are JavaScript files that run in the background of the browser — independent of the website itself. They can intercept network requests, cache data and send push notifications. Without control, they can transmit tracking data in the background, even after the user has left the page. Consenta blocks service worker registration until active consent.

Features

Service Worker Blocking in Detail

SW Registration Blocking

Prevents registration of new service workers until the user has actively consented.

Background Sync Block

Blocks Background Sync API calls that could send data in the background.

Push Notification Block

Prevents push notifications and notification requests without prior consent.

Cache API Control

Controls access to the Cache API to prevent uncontrolled caching of tracking resources.

Automatic Detection

Automatically detects service workers from known tracking services and blocks them proactively.

Release after Consent

After consent is given, blocked service workers are automatically registered and activated.

How it works

Service Worker Blocking in 3 Steps

1

Activate

Activate service worker blocking in the Consenta settings. From now on all SW registrations are monitored.

2

Service workers are detected

Consenta automatically detects all service workers on your website and assigns them to the corresponding consent categories.

3

Release after consent

Only after active consent from the user are blocked service workers registered and executed.

Pricing

Subscribe monthly or pay once.

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  • 1 WordPress site
  • Consent dialog & banner
  • Cookie & script blocking
  • Cookie scanner
  • Google Consent Mode v2
  • IAB TCF 2.0
  • GPC signal (Do Not Sell)
  • Live editor (colors, logo)
  • Import/export
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FAQ

Questions about Service Worker Blocking

What are service workers?
Service workers are JavaScript files that run in the browser background. They can intercept network requests, cache data and send push notifications — even after the user has left the page.
Which service workers are blocked?
All non-essential service workers are blocked until the user consents to the respective category. Essential SWs such as for PWA functions can be marked as necessary.
Does this affect page performance?
No. Blocking happens at the API level and has no measurable impact on the loading time or performance of your website.
What happens after consent?
After consent is given, all previously blocked service workers are automatically registered and activated. The user notices no difference.
Cookie Blocking Consent Dialog Cookie Banner Consent Widget Google Consent Mode v2 IAB TCF Cookie Scanner Consent Logs Geolocation Multi-Site White-Label A/B Testing Statistics Per-Service Consent WooCommerce WCAG 2.1 AA Auto-Scan Multi-Language REST API Consent Proof IP Anonymisation Gutenberg Block CMP Import Consent History CCPA / CPRA CSV Export RTL Support WP Privacy Tools PDF Export HMAC Consent Cookie GDPR Compliant All Features

No Service Worker Without Consent.

SW registration · Background sync · Push notifications · Cache API · Automatic detection · GDPR-compliant

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