ARTICLE AD BOX
What Are Toxic Backlinks?
Toxic backlinks (or atrocious backlinks) are incoming links that tin negatively impact a website’s visibility successful hunt motor results pages. These links often interruption Google’s nexus spam guidelines due to the fact that idiosyncratic placed them for SEO purposes alternatively than for idiosyncratic benefit.
Google analyzes your backlinks to find your website’s prominence and trustworthiness. Certain types of links from outer sites tin payment your SEO.
Google’s policies and systems discourage manipulative nexus building, truthful links acquired done questionable practices are often ignored oregon “devalued.”
However, a ample fig of toxic backlinks tin trigger a manual enactment (or Google penalty). This punishment suggests that your tract engaged successful systematic spamming.
A punishment tin origin your tract to beryllium suppressed oregon removed from hunt results.
Google’s stance connected links intended to manipulate rankings is clear:
Links obtained chiefly for artificial manipulation of Search rankings are nexus spam. Our algorithms and manual actions purpose to nullify these unnatural links astatine scale, and we volition proceed to amended our coverage.
You tin measure your backlink profile’s wellness with the Toxicity Score metric successful Semrush’s Backlink Audit tool.

9 Causes of Toxic Backlinks
This conception explains 9 practices that tin make toxic backlinks.
1. Paying for Links
Never wage oregon person different compensation for modular follow links that tin walk SEO worth (PageRank).
If you wage for a nexus successful immoderate way, the tract proprietor should adhd a nofollow attribute similar 1 of the beneath options to the link’s HTML code:
- rel="nofollow": Asks Google to disregard the nexus for ranking
- rel="sponsored": Tells Google the nexus was bought and shouldn’t number for ranking
A nofollow nexus looks similar the beneath code:
<a href="https://example.com/" rel="nofollow">Anchor Text Here</a>
Ensure your backlinks are nofollow erstwhile utilizing nexus gathering activities like:
- Placing integer advertisements
- Gifting products successful speech for reviews
- Working with influencers
- Paying for directory listings
Check your “follow” links utilizing Semrush’s Backlink Analytics tool.
Enter your domain and click “Analyze.”

Go to the “Backlinks” tab, use the “Follow” filter, and reappraisal whether immoderate links were paid for.

If immoderate were paid for, inquire the steadfast to adhd a nofollow attribute.
2. Exchanging Links
A nexus speech occurs erstwhile 2 websites hold to nexus to each different solely for SEO benefits.
The resulting reciprocal links whitethorn rise Google’s suspicions if you person excessively many.
If you’ve participated successful nexus exchanges, see removing the affected links from your site.
3. Engaging with Private Blog Networks
Private blog networks (PBNs) are groups of websites owned by 1 enactment to proviso links to a people tract (or sites).
Search engines similar Google tin place PBNs, and owning oregon buying links from PBNs is risky.
Often, removing these perchance toxic backlinks is best.
4. Using Link Building Bots
Link gathering bots are programs that make backlinks automatically, often successful user-generated contented areas (e.g., comments and forums).
Links built utilizing bots are typically toxic, truthful debar services that committedness to supply you with galore backlinks quickly.
5. Posting Unnatural Links connected Other Sites
Avoid adding unnatural backlinks to your ain site—such arsenic erstwhile posting connected forums, comments sections, oregon societal media—because doing truthful reflects poorly connected your marque and constitutes nexus spam.
Google advises utilizing the rel="ugc" property for user-generated contented links to guarantee they’re nofollow.
You tin spot usage of the rel="ugc" attributeon Reddit:

6. Listing Your Business connected Low-Quality Directories
Listing your concern successful low-quality directories that person debased oregon nary editorial standards and connection a mediocre idiosyncratic acquisition tin nutrient toxic backlinks.
Be cautious with directories that complaint for listings arsenic well.
Not each directories effect successful toxic backlinks, but immoderate can.
Remain vigilant arsenic you physique directory listings.
7. Creating Widgets with Links
If you make an embeddable widget that links to your site, guarantee the nexus is nofollow.
For example, TradingView’s banal terms widget includes a nofollow link:

Users embedding the widget don’t person power implicit the link’s placement and anchor text (the substance the nexus is attached to), truthful Google doesn’t see embedded widgets arsenic valid tract endorsements.
8. Mandating Backlinks Through Contracts
Google’s spam policies accidental that “requiring a nexus arsenic portion of a Terms of Service, contract, oregon akin statement without allowing a third-party contented proprietor the prime of qualifying the outbound link” is simply a signifier of nexus spam.
If your concern has ever required backlinks done agreements, see contacting your partners oregon clients and asking them to region oregon nofollow links to your site.
Also, revise your contractual templates.
9. Being the Victim of a Negative SEO Attack
Negative SEO is an effort to sabotage your website’s SEO show and often involves competitors gathering spammy links to your domain successful the hopes of triggering a penalty.
Unscrupulous competitors mightiness physique spammy links to your tract with the volition of overtaking you successful hunt results.
Google’s John Mueller says that these links seldom harm your site.
When asked astir antagonistic SEO connected Reddit, Mueller responded:

However, immoderate SEOs reason that addressing these links alternatively than trust solely connected Google’s systems is safest.
How to Find Bad Backlinks
Google usually ignores occasional low-quality backlinks, but you should cheque for toxic backlinks if you’re disquieted astir your past nexus gathering activities oregon if Google has issued a manual enactment for unnatural links to your site.
To cheque for a manual action, motion successful to Google Search Console.
Navigate to “Security & Manual Actions” > “Manual actions.”

If you spot “No issues detected,” inactive see a toxic backlink cheque arsenic a precaution that tin assistance support your tract against aboriginal penalties.
If you person a manual enactment for unnatural links to your site, you indispensable place these atrocious backlinks and cleanable them up arsenic soon arsenic imaginable to assistance your tract recover.
Use 1 of the 2 options below:
Option 1: Use a Toxic Backlink Checker
A toxic backlink checker is the simplest mode to find atrocious backlinks.
Semrush’s Backlink Audit instrumentality is 1 option.
Enter your domain and click “Start Backlink Audit.”

Then, travel the setup instructions.
Once complete, you’ll spot your “Overview” report.
If you person Google Analytics, Google Search Console, oregon Majestic accounts, click “Integrations” to link them and get much close results.

Now, reappraisal your backlinks successful depth.
Go to the “Audit” study and look astatine the flagged backlinks.

The instrumentality checks more than 45 markers to delegate each backlink a Toxicity Score (TS) from 0-100—a higher people means the nexus is much apt to beryllium toxic.
Click a Toxicity Score to larn which toxic markers were recovered and whether they’re “Dangerous” oregon “Potentially dangerous.”

Check the “Anchor” file to spot the backlink’s anchor substance and its category.
Bad backlinks often use:
- Money anchor text, which matches a target keyword (e.g., “best moving shoes”)
- Compound anchor text, which contains a marque sanction and different connection oregon operation (e.g., “amazon moving shoes”)
Money and compound anchor texts thin to beryllium much SEO-oriented.

In the “AS” column, reappraisal the referring domain’s Authority Score (AS)—a 0-100 metric that shows the domain’s wide authority.
A higher AS mostly means the backlink is little apt to beryllium toxic.

To presumption the backlink connected the root site, click the icon adjacent to the root URL.

Use each disposable information to determine if the backlink is toxic and perchance harmful for your site.
- If not toxic, click the “Move to Whitelist” icon
- If toxic, click the “Move to Remove list” icon

Option 2: Check Toxic Backlinks Manually
If you don’t person a toxic nexus checker, you request to find and cheque each your backlinks manually.
You tin spot which sites nexus to you successful Google Search Console.
Go to “Links” successful the near sidebar.
Click “More” nether “Top linking sites.”

Export the database of sites that nexus to your website.

Open the record successful a spreadsheet and reappraisal each backlink, looking for those that could beryllium toxic.
Google Search Console information is limited, which means the manual process tin beryllium time-consuming.
To prevention time, Google suggests focusing connected the sites that nexus to you astir often oregon the astir precocious created links.
How to Remove Toxic Backlinks
After identifying a toxic backlink you privation to remove, interaction the referring domain to petition that they region it oregon adhd the due property (e.g., rel="nofollow").
If asking for removal doesn’t work, you whitethorn request to disavow the link. (See the guidance beneath earlier taking immoderate action.)
Let’s reappraisal the 2 approaches.
How to Request Link Removals
Follow the Backlink Audit workflow described above, past spell to the “Remove” study to spot the atrocious backlinks you flagged for removal.

Click “Add” adjacent to “Mailbox:” and travel the instructions to link your concern email account. Connecting your email relationship lets you nonstop emails from your institution code straight successful the tool.
Choose a backlink to address.
We suggest you commencement with the top-listed backlink, arsenic backlinks are sorted by Toxicity Score—from highest to lowest.
Find an email address oregon interaction details for the referring domain. The instrumentality whitethorn supply a nexus to the site’s interaction leafage oregon societal profiles beneath the domain accusation successful the table.
When you’re ready, click “Send” to draught your email.

A template with placeholders volition appear.
In your message, explain:
- Where the backlink is located
- That you privation it removed
- Why you privation it removed
Make your connection concise, clear, and polite to guarantee recipients are much apt to work the email and instrumentality action.

Click “Send and proceed to next” erstwhile you’re satisfied with your message. Then, proceed moving done your different toxic backlinks.
After closing the email editor, cheque the “Status” file to spot whether your email has been sent, delivered, read, oregon replied to.
If you don’t person a effect wrong a fewer concern days, click “Resend” to nonstop a follow-up email.

Use the icon successful the “Access link” file to cheque if the backlink has been removed.

If your toxic backlinks stay aft a mates of weeks, see disavowing them (see beneath earlier taking immoderate action).
How to Disavow Toxic Backlinks
Disavowing links is the process of asking Google to disregard circumstantial backlinks to your tract to marque definite they nary longer impact your SEO.
Google advises against disavowing links unless:
- You person a manual enactment for unnatural backlinks and
- You bought links successful the past
At Pubcon Austin 2023, Google’s Gary Illyes suggested that disavows often bash much harm than good.
Proceed with extreme caution earlier disavowing links.
If you determine to proceed with disavowing, spell to your “Remove” database successful Backlink Audit.
Select backlinks with the checkboxes, past click the “Disavow” icon.

It’s usually amended to disavow astatine the domain level alternatively than the URL level.
Disavowing links from an full domain helps you drawback toxic links connected duplicate pages (e.g., “example.com/toxic-page” and “example.com/toxic-page.html”) and prevents aboriginal issues connected the aforesaid domain.

Go to “Disavow” aft you implicit your list, and click “Export to TXT.”

Upload this .txt record to Google’s disavow tool.

Return to Backlink Analytics and click “Yes, I uploaded the file” to punctual the instrumentality to recalculate your site’s Toxicity Score.

If you had a manual action, taxable a reconsideration petition successful Google Search Console.
Use the fastener successful the Manual Actions report:

It whitethorn instrumentality respective weeks for Google to process your disavow file. And you whitethorn request to hold a portion to spot an interaction connected your SEO results.
Strengthen Your Backlink Profile with Semrush
Strengthening your backlink illustration involves much than removing toxic backlinks.
Building a bully backlink illustration besides involves earning prime backlinks from applicable sites.
For guidance, spot our link gathering guide.
Or usage Semrush’s nexus gathering tools to statesman close away:
- Backlink Gap: Identify domains that nexus to competitors but not to you
- Backlink Analytics: Analyze and comparison backlink profiles
- Link Building Tool: Find nexus gathering prospects and negociate outreach campaigns