About WikiSignals

We are building the reliability infrastructure for the internet. Our tools give people the ability to identify signals they can use to determine the credibility of the information they consume.

WikiSignals is an open-source, reference reliability tool. The goal is helping people determine domain-level source credibility. Our focus is Wikipedians but it’s free for all (see Partners). We gather data from media indexes, ratings agencies, press membership directories, and web-related services. Search our dataset of 200K Science Journals, with impact scores and metadata. Or use the search form above to check any of the 70K news/info domains in our database.

Signal sources for news sites

Domain Data

Media indexes

Wayback Machine

  • First capture
  • Last capture
  • Total captures

Science journals

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