Search for information about the content. Be nosy -- look for facts that agree or disagree. Look for sources that trust or question the information.
Evaluate the external evidence for one or more of these sites:
Who links to these pages? What do they say about them?
Are there other authoritative sites that trust the information?
Are there any external sources that agree or disagree with the information?
From this can you determine how the information may be biased and whether it is credible or not?
