Snopes

Snopes is a fact-checking site and reference source covering urban legends, folklore, myths, rumors and misinformation, publishing rated articles that investigate claims circulating online and across social media, aimed at readers checking whether a story, image, quote or rumor is accurate, dating back to the site's long-standing role as an early internet reference for widely-shared claims and viral stories circulating across platforms.

The site's ads.txt file lists 32 ad systems, with 28 declared as direct sellers and 17 as resellers, and it is categorized under news for the US market.