LitigationEvidence
Capturing the Web: A Practitioner's Guide to Authenticating Website Screenshots as Evidence in Federal Court
Website screenshots, archived pages, and social media posts now appear in almost every federal case, yet attorneys routinely lose this evidence by failing to lay a foundation. This guide follows a single false-advertising dispute as counsel tries to prove what a competitor's website says today, said two years ago, and admitted in a social media post. It walks through the Rule 901 authentication threshold and the landmark Lorraine v. Markel framework, the methods for authenticating current captures (witness testimony, distinctive characteristics, forensic tools, hash values, and Rule 902(13)/(14) self-authentication), the Wayback Machine problem under Weinhoffer and Gasperini, the attribution challenges of social media after Griffin, Tienda, and Vayner, the best evidence rule for electronically stored information, and the hearsay rules unique to web content. It incorporates the current status of Proposed Federal Rule of Evidence 707 on machine-generated evidence, whose comment period closed in February 2026, and the proposed deepfake rule, Rule 901(c). It ends with a capture-to-courtroom checklist and a practitioner FAQ.