Search engine optimization (SEO) has always walked a fine line between strategy and manipulation. While Google’s algorithm updates have consistently punished shady practices, a shadowy world of grey and black hat SEO tactics still lurks beneath the surface — and surprisingly, some of them still work in 2025.
In this blog, we’re pulling back the curtain on the dark side of SEO — not to encourage malpractice, but to arm digital marketers, content creators, and businesses with the knowledge of what they’re up against.
What Are Grey Hat and Black Hat SEO Tactics?
Black Hat SEO involves strategies that blatantly violate search engine guidelines — think keyword stuffing, cloaking, and private blog networks (PBNs). Grey Hat SEO, meanwhile, lives in the murky space between ethical and unethical — technically not against the rules, but not entirely clean either.
Black Hat SEO Tactics That Still Work in 2025 (But Come With Risk)
1. Private Blog Networks (PBNs) 2.0
Despite Google’s crackdowns, smart SEOs are still using sophisticated PBNs hosted across different IPs, with unique themes, and natural-looking link profiles. When done right, they can skyrocket rankings — but one wrong move and your site could vanish from SERPs.
2. Parasite SEO
Posting content on high-authority third-party platforms (like Medium, Quora, or old press release sites) with exact-match anchors is still a clever way to rank fast and pass authority — especially for affiliate or churn-and-burn sites.
3. Cloaking
Advanced cloaking using server-side techniques and user-agent detection is still around, especially in black hat affiliate marketing, gambling, or adult niches. The idea? Show Google one thing, show users another.
4. Automated Content Spinning (AI + GPT Clones)
Spun content has evolved. With powerful AI, spinners now generate semi-unique, contextually relevant articles that fly under the radar. These are used en masse to populate content farms or satellite sites — feeding links to money sites.
Grey Hat SEO Tactics That Are Still Profitable (And Safer)
1. Expired Domains with Backlink Juice
Buying expired domains with strong backlinks and redirecting or repurposing them still gives your site a boost in domain authority — especially if they’re niche-relevant.
2. Link Buying (The Smart Way)
Google hates it, but link buying hasn’t died — it just evolved. SEOs now disguise it as “sponsored posts” or “collaborations.” Many high-ranking websites use this to fast-track SEO success.
3. Content Scraping + Remixing
Scraping competitor content and then remixing with AI tools or rewriting using NLP techniques remains a grey hat favorite — quick, cheap, and effective if edited smartly.
4. Over-Optimization with a Human Touch
Some SEOs manipulate on-page SEO with surgical precision — stuffing exact-match keywords just enough to please Google, but not trigger spam filters. It’s risky, but when tested properly, it still gets results.
Why These Tactics Still Work
Despite Google’s advances, algorithms aren’t perfect. They rely on patterns, signals, and assumptions. Skilled SEOs know how to mimic natural behavior, manipulate trust signals, and stay just beneath the radar — especially in low-competition or foreign niches.
Should You Use Them?
If you’re building a long-term brand, black hat SEO is not worth the risk. One algorithm update can erase months of work. However, knowing these tactics helps you recognize what your competitors might be doing — and protect yourself.
For affiliate sites, lead-gen pages, or churn-and-burn projects, these techniques still bring in short-term wins. The question is: Do the rewards outweigh the risk?
Final Thoughts
SEO in 2025 isn’t just about being visible — it’s about being strategic, staying updated, and knowing the game from all sides. While the dark side of SEO continues to adapt, so must ethical marketers. Because to win the white hat game, you need to understand the black hat playbook.