Peer39 is a pre-bid contextual data and brand safety platform for programmatic advertising.
Categories: Ad verification
Official website: https://www.peer39.com
Peer39 is ranked #16 of 20 in Ad verification by website adoption.
WhatStack detects Peer39 by analyzing HTTP headers, HTML source code, JavaScript globals, meta tags, cookies, DNS records, and ads.txt entries using signature-based pattern matching across 10 different analyzers.