Who is SiteBlocker for?

SiteBlocker is a consumer product built for students and professionals seeking to reduce online distractions.

Yes — SiteBlocker is free to use.

What platforms does SiteBlocker run on?

SiteBlocker runs on the web and embeddable surfaces.

Is SiteBlocker still active?

Unverified. SiteBlocker has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

What are alternatives to SiteBlocker?

Similar projects tracked by PulseGate include BlockSite, ZenBlock, and Site Blocker for Safari.

Back to the index

SiteBlocker

siteblocker.appFocus & Pomodoro timers

SiteBlocker is a free browser extension for Chrome and Firefox that helps users block distracting websites, set up custom blocklists, schedule focus sessions, and sync settings across devices. It is privacy-focused, collects no user data, and is designed for individuals who want to boost productivity by minimizing online distractions.

FreeWebEmbeddable

Visit siteblocker.app

Overview

7 features

In the Focus & Pomodoro timers space, SiteBlocker takes a focused approach. It focuses on preventing distractions from time-wasting websites to help users maintain focus and productivity. It is built as a consumer product for students and professionals seeking to reduce online distractions. SiteBlocker is free to use. It runs on the web and embeddable surfaces.

SiteBlocker first shipped in 2023. Key capabilities include custom blocklists, focus sessions, and schedule blocking.

Custom blocklists
Focus sessions
Schedule blocking
Sync across devices
Privacy focused
Zero data collection
Multi-browser support

Built with & integrations

Framework

Astro

Hosting

Vercel

Connectors

chromewebhook

Runs on

BrowserEmbeddable

Detected from

Astro: astro-island in the HTML · /_astro/ in the HTML
Vercel: x-vercel-id header · x-vercel-cache header

Trust & compliance

Verified signals

HTTPSPrivacy Policy Terms of ServiceFree tierStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed29 Jun · 12:16 UTC
Listing verified against its public source
Source: PulseGate · Open

Frequently asked questions about SiteBlocker

What does SiteBlocker do?: SiteBlocker focuses on preventing distractions from time-wasting websites to help users maintain focus and productivity. It is catalogued under Focus & Pomodoro timers on PulseGate.
Who is SiteBlocker for?: SiteBlocker is a consumer product built for students and professionals seeking to reduce online distractions.
Is SiteBlocker free?: Yes — SiteBlocker is free to use.
What platforms does SiteBlocker run on?: SiteBlocker runs on the web and embeddable surfaces.
Is SiteBlocker still active?: Unverified. SiteBlocker has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What are alternatives to SiteBlocker?: Similar projects tracked by PulseGate include BlockSite, ZenBlock, and Site Blocker for Safari.BlockSite ZenBlock Site Blocker for Safari
How long has SiteBlocker been around?: SiteBlocker first shipped in 2023.

At a glance

Pricing: Free
Platforms: Web
Languages: English
Built for: students and professionals seeking to reduce online distractions
Model: B2C
Solves: Preventing distractions from time-wasting websites to help users maintain focus and productivity.

Registered as

Chrome Web Store: aadnooghcahhgmkhkhkoflblfbhcndig
Firefox Add-ons: siteblocker-2

Index record

Identity confidence: High · 97
Indexed: 29 Jun 2026
Lifecycle: Alive
Last seen: 29 Jun 2026

Identity audit (11)

Slug: siteblocker-block-distracting-websites-amp-stay-focuse-siteblocker-app
Lifecycle last checked: 8 Aug 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 29 Jun 2026
Timeline basis: Indexed-at chronology. This listing's first-seen date was written by the catalog backfill, not observed here, so it is not treated as a sighting.
Name from: Derived from the project's own page and URL.
Category from: Recorded source: taxonomy-pass-a.
Languages from: Detected by a language model, checked against the page's own declaration.
Canonical URL: https://siteblocker.app/

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