BadSEO.org is your ultimate blacklist of websites selling dangerous backlinks, guest posts, and PBN links that can ruin your site’s SEO. We research, analyze, and list low-quality domains that are commonly used in shady link-building schemes — so you know exactly what to avoid.
SEO Experts & Agencies – Protect your clients from bad link investments.
Website Owners – Stop buying links that do more harm than good.
Link Builders – Vet your list before pitching links to clients.
Google Penalty Victims – Find the toxic links you may already have.
✅ Google’s Algorithm Updates (like Penguin) punish unnatural links.
✅ Wasted Money – Many sellers use fake metrics (DA/DR manipulated).
✅ Reinforces Bad SEO Habits – Real SEO takes effort, not just buying links.
Most people don’t realize that a single backlink from a spammy or irrelevant site can tank your Google rankings. These toxic links often come from:
Expired domains turned into PBNs
Sites flooded with paid guest posts
Irrelevant niche sites selling backlinks to anyone
Networks Google already knows and penalizes