Is It Blocked? Public internet evidence

Internet access, by country

Is this website blocked?

Look up a website. See possible interference in sampled networks, where no interference was detected, and where the answer is unknown.

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URL or domain. No account needed.

About these results Scanner status
Overview published
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Evidence coverage
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Public measurements, with dates and sources. No data is an unknown result.

Latest reports

What is changing now.

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Company scale

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in reported value

Big sites. Big companies.

Matching sites with sampled interference signals to their companies.

  • Checking companies
  • Checking S&P 500 matches
  • Checking other sites
  • Checking value dates

Company view

Companies behind sites with interference signals

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The big picture

Internet controls are not all the same.

Some countries filter websites at their borders. Others place controls inside local networks or can separate domestic services from the wider internet.

A request normally travels straight to a website. Internet controls can interrupt, redirect, slow, or inspect it along the way.
A website request meeting several filtering gates

China

China's Great Firewall

The world's best-known national filtering system.

Explore China
A central control point connected to several internet providers

Russia

Russia's Sovereign RuNet

Provider-level controls coordinated across a national network.

Explore Russia
A domestic network ring with a controlled path to the wider internet

Iran

Iran's filtered internet and National Information Network

Domestic infrastructure combined with tightly controlled global access.

Explore Iran

Also watching

Other places with major internet controls

Türkiye Website restrictions in Türkiye Pakistan Pakistan's network controls Myanmar Myanmar's military internet controls India India's fragmented filtering and shutdowns

How it works

A clear answer, without the jargon.

See where checks ran, what they found, and when they were updated.

01

Enter a site

Use a domain or paste a full website address.

02

We compare

Repeated recent trouble matters more than a single failed test.

03

You get context

See what happened, where it happened, and how certain the result is.

See how results are formed How checks work →