There has always been confusion in SEO about one important question:
If you get a backlink from a low-quality or penalized website, can it harm your site?.
Recently, John Mueller answered this question and cleared many common myths in the SEO world.
Let’s understand this in a simple and detailed way
The Big Question: Do “Bad Links” Pass Negative Signals?
An SEO asked whether a website with a link penalty can pass “poor signals” (sometimes jokingly called “link cooties”) to other websites through outbound links.
In simple words:
- If a bad website links to you
- Will your website also become “bad” in Google’s eyes?
This is a common fear among website owners and SEO professionals.
Google’s Answer: No Negative Signals Are Passed
According to John Mueller:
- Google does NOT pass negative signals through links.
Instead, Google does something much simpler:
- It just ignores low-quality or unhelpful links.
What Does “Ignoring Links” Mean?
When Google finds that a website:
- Is spammy
- Uses manipulative linking
- Or is not helpful
It may:
Ignore all outbound links from that site
This means:
- The link will NOT help your rankin
- But it will also NOT harm your site
It’s like the link does not exist at all.
Important Difference: Ignored vs Harmful Links
This is where many people get confused.
1. Ignored Links
- No value passed
- No harm caused
- Simply not counted
2. Harmful Signals (Myth)
- Many believe bad links spread negativity
- But Google has not confirmed this
Reality: Google mostly ignores, not punishes via link transfer.
Why This Myth Started
SEO concepts often get misunderstood over time.
Experts like Roger Montti explain that:
- Research papers and algorithms are simplified
- Then re-shared multiple times
- And slowly become incorrect “SEO myths”
One such myth is:
- “Bad sites pass bad signals through links”
But this is not how Google actually works.
How Google Really Understands Links
Google uses links to:
- Understand website relationships
- Identify trustworthy sources
- Detect spam networks
There are systems like
- Link graphs (connections between websites)
- Trust-based signals (good sites link to good sites)
But these systems are NOT about spreading negativity.
Instead:
- Good sites tend to link to good content
- Spammy sites tend to link to spam
Google uses this pattern to evaluate quality — not to punish other sites.
When Does Google Ignore Links
According to Mueller, links may be ignored if they are:
- Not helpful to users
- Not relevant
- Against Google’s guidelines
- From low-quality or spammy websites
Key factor: Helpfulness
If a link does not add value, Google may simply ignore it.
What This Means for SEO Strategy
This update is actually good news for website owners.
1. You Don’t Need to Panic About Bad Backlinks
Not every low-quality link will harm your website.
2. Focus on Quality, Not Quantity
Instead of worrying about bad links:
- Build high-quality backlinks
- Focus on relevant websites
3. Create Helpful Content
Since Google values helpfulness:
- Write useful content
- Solve user problems
- Provide real value
4. Follow Google Guidelines
Make sure your website:
- Avoids link schemes
- Does not buy or sell links
- Maintains transparency
Final Takeaways
Here are the most important points:
- Google does NOT pass “negative link signals”
- Low-quality links are usually ignored
- Helpfulness and quality matter the most
- SEO myths can be misleading — always verify information
In simple words:
Bad links don’t hurt you — they just don’t help you.
Source Reference: Search Engine Journal
To Know more news - Let’s Be Honest About the Ranking Power of Links




