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To evaluate a fact-checking website, look past its verdict label and inspect how it chooses claims, verifies sources, explains its reasoning, discloses funding, and corrects errors. The International Fact-Checking Network (IFCN) Code of Principles offers a useful checklist for those comparisons—but standards alignment is a process signal, not proof that every individual fact-check is right.
Start with the site’s method, not its rating
Before relying on a “true,” “false,” or similar label, find the site’s methodology page. It should explain how the organization selects claims, researches them, writes and publishes checks, evaluates evidence, and applies its rating system. The IFCN Code of Principles sets out commitments covering fairness, source transparency, funding and organizational transparency, methodology, and corrections. Read the IFCN Code of Principles.
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A rating is useful only if the site defines what its labels mean and shows how the evidence leads to the label. Check whether the article’s conclusion follows from its stated process, rather than treating the rating as a substitute for that explanation.
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Use the same criteria for each website
Compare organizations on consistent criteria, using both their public policies and examples of published fact-checks. The June 2025 IFCN Code describes detailed expectations around methodology, including what can be checked, how sources are verified, and how evidence is evaluated. Consult the Code’s methodology framework.
#1 Best Overall
| What to assess | What to look for | Reader check |
|---|---|---|
| Claim selection and fairness | Published criteria for eligible claims, reasons a claim was selected, and safeguards against undue concentration on one side. | Can you tell which claims qualify and why this one was chosen? |
| Source transparency | Significant evidence is named or linked with enough detail to let readers reproduce the check. The article explains any unavailable primary sources or security-related exceptions. | Can you open the source and verify the relevant passage or data? |
| Method and rating | Published steps for research and evidence evaluation, clear rating definitions, and an explanation connecting the evidence to the verdict. | Does the article show how the evidence maps to its rating? |
| Funding and organization | Information about organizational structure and funding sources, including material funders where applicable. | Is the disclosure specific, current, and easy to find? |
| Corrections and complaints | A visible corrections policy, an accessible way to raise concerns, and clear notices describing changes. | Can you find a correction and determine what changed? |
| Article-level reasoning | An accurate account of the original claim and its context, evaluation of evidence quality and alternative interpretations, and a conclusion proportionate to what the sources establish. | Does the article explain uncertainty and limitations without overstating its case? |
For a practical comparison, record “clear,” “partial,” or “not found” for each item, alongside the page or article reviewed and the date you checked it. “Not found” means you could not locate the information in the material you reviewed; it does not prove the organization has no such policy or practice. Avoid collapsing the results into a single score unless the scoring rules are transparent and justified.
Follow the evidence through the article
Open the sources behind a fact-check rather than relying on a bibliography alone. Significant sources should be identified in enough detail for readers to repeat the check, with relevant links where available. A source may be withheld when identifying it could create a personal-security risk; a good explanation should make that limitation understandable without exposing someone to harm.
Then ask what each material source establishes. Does it support the article’s account of the original claim? Is it a primary record, a direct statement, or an interpretation by another source? Does the article explain why that evidence supports the conclusion, and acknowledge gaps or plausible alternative readings? A list of links is not the same as a reasoned account of how those sources bear on the verdict.
Review disclosures and corrections
Funding and organizational disclosures help readers understand possible interests and the context in which a fact-checker operates. Look for information about who runs the organization and where its funding comes from, and note whether it is specific enough to be meaningful. A disclosure is context for evaluating a process, not by itself evidence that a particular check is biased or accurate.
Rank #3
Check whether the site explains how to report an error or make a complaint, and whether corrections are visible on the affected article. The IFCN commitments call for open, transparent corrections and for corrected versions to reach prior readers as far as practicable. A dated notice that explains what changed is more useful than a silent edit.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What a standards framework can—and cannot—tell you
The IFCN Code is a benchmark for organizational commitments. It can help you ask consistent questions about fairness, sourcing, methodology, disclosures, and corrections; it does not replace examining the sources and reasoning in the specific fact-check you are reading. Neither a badge nor a policy page independently establishes that every conclusion is sound.
Likewise, an assessment page for an individual applicant can illustrate the kinds of questions an evaluator asks, but it is not a comprehensive or current comparison of fact-checking websites. The IFCN has published assessment material for organizations including FactWatch and Verificat; use such material as an example of criteria, not as a ranking of all sites. See IFCN signatory and assessment information.
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A quick evaluation checklist
- Find the website’s methodology and rating definitions.
- Check how it selects claims and addresses fairness.
- Choose a published fact-check and verify its account of the original claim.
- Open the significant sources and test whether they support the article’s reasoning.
- Read the funding and organizational disclosures.
- Locate the corrections policy and look for a specific correction notice.
- Record what you found, where you found it, and when you checked—without treating missing information as proof that a practice does not exist.
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