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Site Blocker Extension

mozilla.orgBrowser DevTools & extensions

PulseGate's liveness check found it on 20 Sep 2026; it is registered on Firefox Add-ons and has been in the index since 20 Sep 2026. How this is checked

Site Blocker Extension is a Firefox browser extension for blocking websites by domain. Users add domains and manage their blocked-site list from the extension popup.

Inferred · not functionally tested

FreeWebEmbeddableWindowsmacOSLinux
Site Blocker Extension preview
Visit mozilla.org
3alternatives
4features
2025since

Overview

4 features

Purpose: Preventing access to distracting or unwanted websites while browsing Firefox.

Inferred · not functionally tested

Audience: Firefox users who want to block distracting or unwanted websites

Inferred · not functionally tested

Functions: Unknown

Interfaces: API: unknown · MCP: unknown · CLI: unknown · Self-hosting: unknown

Recorded constraints: pricing: free · license: Proprietary · platforms: WEB · deployment: browser, embeddable, windows, macos, linux

Constraint provenance is unknown; confirm requirements with the publisher.

Record sources: addons.mozilla.org · addons.mozilla.org. These links do not verify the individual claims.

Site Blocker Extension sits in PulseGate's Browser DevTools & extensions category. Inferred · not functionally tested: It focuses on preventing access to distracting or unwanted websites while browsing Firefox. Inferred · not functionally tested: It is built as a consumer product for firefox users who want to block distracting or unwanted websites. Basis unknown · not verified: Site Blocker Extension is free to use. Basis unknown · not verified: Site Blocker Extension is available on the web, embeddable surfaces, Windows, macOS, and Linux.

Kyox builds and maintains Site Blocker Extension, and it first shipped in 2025. Inferred · not functionally tested: Among its 4 catalogued features are Domain Blocking, Popup Management, and Blocked Domain List. The interface is available in 32 languages, including Czech, German, and Greek.

Summary written by a language model from the project’s public pages.

Tasks: Inferred · not functionally tested

  • Domain Blocking
  • Popup Management
  • Blocked Domain List
  • Website Access Control

Topics: Inferred · not functionally tested

Tags
website-blockerfirefox-extensiondomain-filteringdistraction-control

JSON profile · Text profile · Access guide

Built with & integrations

Runs on
BrowserEmbeddableWindowsmacOSLinux

Trust & compliance

Public signals
HTTPSPrivacy PolicyTerms of ServiceFree tierMulti-languageStore listing found
Legal
Privacy Policy Terms of Service

Indexing history

1

What PulseGate has recorded for this listing

  1. Indexed20 Sep · 14:03 UTC
    Site Blocker Extension seen via Firefox Add-ons
    Source: Firefox Add-ons · Open

Frequently asked questions about Site Blocker Extension

What is Site Blocker Extension?
Inferred · not functionally tested: Site Blocker Extension focuses on preventing access to distracting or unwanted websites while browsing Firefox. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use Site Blocker Extension?
Inferred · not functionally tested: Site Blocker Extension is a consumer product built for firefox users who want to block distracting or unwanted websites.
Is Site Blocker Extension free?
Basis unknown · not verified: Yes — Site Blocker Extension is free to use.
What platforms does Site Blocker Extension run on?
Basis unknown · not verified: Site Blocker Extension runs on the web, embeddable surfaces, Windows, macOS, and Linux.
Is Site Blocker Extension still active?
PulseGate's liveness check found it on 20 Sep 2026.
What are alternatives to Site Blocker Extension?
Similar projects tracked by PulseGate include Site Blocker, Site Blocker, and Simple Site Blocker.Site BlockerSite BlockerSimple Site Blocker
Who makes Site Blocker Extension?
Site Blocker Extension is developed by Kyox.
How long has Site Blocker Extension been around?
Site Blocker Extension first shipped in 2025.

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