News Source Analysis Autor: mrhirsch

I am maintaining this extension on my spare time and would appreciate a coffee for boosting my energy: https://www.buymeacoffee.com/hirschan ☕

ABOUT

• The project's source code can be found here, and you can also submit bugs: https://github.com/hirschan/news-credibility-score/tree/master
• This extension uses factual rating classifications sourced from mediabiasfactcheck.com (MBFC) and allsides.com. The dataset used in this project was last updated on 2026-03-01.
• The data contains 8 969 data sources from MBFC, and 942 data sources from Allsides.
• This web extension transforms MBFC’s and Allsides publicly available rating categories into numeric scales for display purposes.

DISCLAIMER

This project is not affiliated with, endorsed by, or approved by Media Bias/Fact Check (MBFC) or Allsides.

MBFC and Allsides retain full copyright over its ratings and classification data. This extension simply references MBFC’s and Allsides publicly available information and presents it in a different, transformed format for educational and non-commercial use.

The ratings shown in this extension are not guarantees of accuracy, and I am not responsible for the data sources own evaluations or conclusions. Users are strongly encouraged to perform their own fact-checking and consult multiple sources when evaluating news credibility.

CREDITS

• This project uses news source ratings from Media Bias/Fact Check (MBFC) as a reference. Original MBFC ratings can be found at: mediabiasfactcheck.com
• This project uses news source ratings from Allsides as a reference.
  Original Allsides ratings can be found at: allsides.com
• This project includes an icon licensed under Apache License 2.0. https://www.apache.org/licenses/LICENSE-2.0