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Summary

Analyze keywords

Blocks requests to any webiste that are in user-defined list. Visit about:addons, open the Domain Blocker's preferences, and mention the hostnames in the text box, you want to block. They should be separated by new line.

Note - The hostname-matching is very simple: hostnames must exactly match an entry in the list if they are to be blocked. So with the default settings, "example.org" would be blocked but "www.example.org" would be permitted.

User reviews

It doesn't even work. I added a domain and every variant, such as domain.com, www.domain.com, etc. and it still loads in the browser. Waste of time.

by TE5LA, 2022-05-22

Does the job, but every update to Firefox wipes the list of blocked domains.

by Firefox user 16672835, 2021-03-01

Worked fine, blocked the desired domains.

by allianortis, 2021-01-04

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Safety

Risk impact

List Domain Blocker may not be safe to use and it requires some risky permissions. Exercise caution when installing this add-on. Review carefully before installing.

Risk likelihood

List Domain Blocker has earned a fairly good reputation and likely can be trusted.

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Screenshots