What are disavow links? How to remove bad links from your website

SEO

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8.9.2026 11:30 PM

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What are disavow links? How to remove bad links from your websiteWhat are disavow links? How to remove bad links from your website
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In the world of SEO, backlinks are a key factor in helping a website grow and achieve high rankings on Google. However, not all backlinks are 'good friends.' Toxic links can silently drag down your rankings, diminish your website's credibility, and even lead to Google penalties. Disavow Links is the solution to help you eliminate these threats, protecting your website in a comprehensive and sustainable way. Let's join Markdao in exploring how to use this powerful tool in the article below!

What are Disavow links?

Disavow Links is a powerful tool introduced by Google to help website administrators remove unwanted or toxic backlinks. These backlinks often originate from low-quality websites, spam content, or sites irrelevant to your field, and they can cause serious damage to your website's ranking and reputation.

Disavow links là gì
What are Disavow links?

Basically, Disavow Links allows you to send a signal to Google that you do not want the search engine to consider or count those links when evaluating your website's ranking. This is a useful measure to protect your website from unnatural backlinks that you cannot control or remove directly.

Google's algorithm and Disavow Links

Google always prioritizes content quality and the naturalness of backlinks when evaluating website rankings. To control backlink quality, Google's algorithm (especially Penguin) has the ability to identify and penalize websites that use negative SEO strategies, such as link spamming or buying and selling backlinks.

When you use the Disavow Linkstool, Google does not immediately remove the links you have rejected. Instead, the search engine will review the list you provide via the Disavow file and exclude these backlinks from your ranking evaluation process.

Google's Algorithm and Disavow Links
Google's algorithm and Disavow Links

However, this does not mean you are allowed to abuse Disavow Links – should only be used when absolutely necessary, as Google still recommends that you attempt to remove bad backlinks by contacting the administrators of the relevant websites directly before submitting a disavow file.

Why are toxic links dangerous?

Toxic links are not only a threat to your website's rankings but can also damage your reputation and long-term SEO strategy. Here are the main reasons why toxic links are dangerous:

1. Lower search engine rankings: Toxic backlinks, especially those from low-quality or irrelevant websites, can cause Google to view your site negatively. As a result, your rankings may drop significantly.

2. Triggering Google penalties: Google has two types of penalties related to backlinks:

  • Manual Action: occurs when Google's review team detects that you have an excessive number of unnatural backlinks.
  • Algorithmic Penalty: automatically applied by the Penguin algorithm when your website shows signs of spam or backlink manipulation.

3. Impacting website authority: Toxic links diminish your website's Domain Authority (DA) and Page Authority (PA), making it difficult for your pages to compete in search results.

4. Creating long-term risks: If not addressed promptly, toxic links become a burden on your website, rendering all your other SEO efforts futile.

Toxic links are the "hidden enemy" that every SEO professional needs to be cautious of. By understanding the nature of the problem and using the right tool, Disavow Links, you can protect your website from potential risks and build a more sustainable SEO strategy.

4 ways to identify bad backlinks

Identifying toxic links is the first and most critical step in protecting your website from harmful backlinks. If you don't identify them accurately, you might accidentally remove valuable backlinks or overlook harmful ones. Here is a detailed guide to help you do this:

1. Use backlink analysis tools

To check and analyze your website's backlink profile, you need to use specialized tools. Some popular and effective tools include:

  • Google Search Console: A free tool from Google that allows you to download a list of backlinks pointing to your website.
  • Ahrefs: Supports comprehensive backlink analysis, providing metrics such as Domain Rating (DR), URL Rating (UR), and spam scores.
  • SEMrush: A powerful tool that helps evaluate link quality and alerts you to potentially harmful links.
  • Moz Link Explorer: Helps you assess the authority of linking websites using Domain Authority (DA) and Spam Score metrics.
Use backlink analysis tools - Ahrefs

2. Identify signs of bad backlinks

After downloading your backlink list, you need to analyze it to find suspicious links. Here are some signs of bad backlinks:

  • Links from websites with irrelevant content: For example, your website is about education, but it receives links from gambling or adult content sites.
  • Links from websites with high Spam Scores: These are websites typically rated low in quality, involved in spam activities, or lacking useful content.
  • Unnatural anchor text: Links containing spam keywords or irrelevant anchor text, such as "buy cheap medicine" or "free money."
  • Links from websites penalized by Google: The website linking to you has been deindexed or penalized by Google.

3. Check the source of the backlinks

The next step to check backlinks before proceeding with Disavow Links is to verify their origin:

  • Link acquisition time: Backlinks created in bulk over a short period are often a sign of spam campaigns.
  • Placement on the page: Links placed in footers, sidebars, or blog comments are generally of lower value.
  • Frequency and volume: An unusual spike in links from a single website or a group of websites can be a sign of spam.

4. Manual filtering and evaluation

Finally, perform a manual check on suspicious backlinks. Visit these websites directly to evaluate their content, credibility, and relevance. This will help you make a more accurate assessment before deciding to remove them.

How to remove toxic links using Disavow Links

Disavow Links is a powerful tool provided by Google to disavow toxic links pointing to your website. However, it must be used correctly to avoid negatively impacting your site's SEO. Below is the specific process for removing toxic links using Disavow Links:

1. Prepare a list of toxic links

Before using the tool Disavow Links, you need to carefully prepare a list of toxic backlinks.

  • Download backlink list:
    • Access Google Search Console and download the list of all links pointing to your website.
    • Use other supporting tools like Ahrefs, SEMrush, or Moz to check and analyze your backlink profile in more detail.
  • Identify bad backlinks:
    • Find backlinks from spammy websites, irrelevant content, or websites penalized by Google.
    • Evaluate each link using metrics such as Spam Score (Moz), Domain Rating (Ahrefs), and the website's status.
View the list of backlinks in Google Search Console
  • Create a list of toxic links:
    • Create a .txt file containing the URLs or domains you want to disavow.
    • File format note: The file must be formatted correctly, with each URL or domain on a separate line.

2. Check and contact website administrators

Before using Disavow Links, try contacting the administrators of the websites containing the bad backlinks directly to request that they remove the links.

  • Find contact information: You can find an email address or contact form on the website.
  • Send a request email: Send a concise, polite email explaining why you are requesting the link removal.
  • Follow up on the response: Wait 1-2 weeks for a response. If you do not receive a reply or the link is not removed, you can move on to the next step.

3. Use the Disavow Links tool

The Disavow Links tool is a last resort if you cannot remove toxic links yourself. Here are the detailed steps:

  • Step 1: Access the Google Disavow Links Tool at https://search.google.com/search-console/disavow-links.
    • Log in to the Google account connected to your website's Google Search Console.
  • Step 2: Select the website you want to disavow links for.
    • If you manage multiple websites, make sure to select the correct property.
  • Step 3: Upload a .txt file containing the list of malicious links or domains.
    • Click the "Disavow Links"button, select your file, and upload it.
  • Step 4: Confirm your submission.
    • Once the file is uploaded, Google will display a confirmation message.

Important note:

  • Google only considers the links in the Disavow file; you cannot edit the file directly within the tool. If you need to add or modify links, you must upload a new file.
  • The processing time may take several weeks, depending on the amount of data to be analyzed.

How to disavow links quickly and easily with SEMrush

SEMrush is a comprehensive SEO tool that effectively supports auditing, analyzing, and managing backlinks. Below are the detailed steps for using SEMrush to Disavow Links:

1. Audit backlinks with SEMrush

  • Step 1: Log in to your SEMrush account at https://www.semrush.com.
    • If you don't have an account yet, SEMrush offers a short-term free trial.
  • Step 2: Go to the Backlink Audit.
    • Enter your domain to start analyzing your backlink profile.
    • SEMrush will display a list of all backlinks pointing to your website, along with key metrics such as Toxic Score, Trust Score, and Authority Score.
  • Step 3: Filter out backlinks with a high Toxic Score.
    • Backlinks with a Toxic Score > 60 are generally considered harmful to your website and should be disavowed.
    • You can also perform your own assessment by checking the link source, the content of the referring page, or other signs of spam.
Checking backlinks with SEMrush
Checking backlinks with SEMrush

2. Create a disavow list in SEMrush

  • Step 1: Select the backlinks you want to disavow.
    • In the interface Backlink Audit, and select the toxic or unwanted links.
    • SEMrush provides the option to disavow by URL or by entire domain.
  • Step 2: Move links to the disavow list.
    • Click the “Add to Disavow List” button to move the links to the list for disavowal.
  • Step 3: Export the disavow list.
    • Once finished, click the Export to TXT file button to download the list in .txt format (as required by the Google Disavow Tool).

3. Upload the disavow list to the Google Disavow Tool

After creating the file from SEMrush, simply follow these steps:

  1. Go to the Google Disavow Links Tool.
  2. Select the corresponding website, then upload the .txt file you exported from SEMrush to the Disavow Links tool..
  3. Confirm and complete the process.
How to disavow links quickly and easily with SEMrush
How to disavow links quickly and easily with SEMrush

Using SEMrush in combination with the Google Disavow Tool is a powerful method to protect your website from toxic links while sustainably improving SEO performance.

Conclusion

Managing and removing toxic links is not only an important part of an SEO strategy but also a vital factor in protecting your website's rankings and reputation. By clearly understanding the concept of Disavow Links, and leveraging tools like Google Search Console or SEMrush, you can easily identify and disavow harmful links effectively.

Always remember that prevention is better than cure. To avoid having to deal with a mass of toxic links, building a high-quality backlink strategy from the start is crucial. At the same time, regularly audit your website's backlink profile to detect potential risks early.