Google Blacklisting: Why Is My Website Blacklisted & How to Fix It?

If you’ve ever visited a website and seen a red screen warning you about a malware infection or security risks, you’ve likely encountered a blacklisted site. Search engines use blacklisting to help protect users from malware and cyber threats by flagging potentially unsafe websites.

While this system plays an important role in user protection, it isn’t always a complete or reliable way to detect every infected site. We’ll discuss what Google blacklisting is, why websites get flagged, how it impacts your traffic, and the steps you can take to fix the issue and prevent it from happening again.

What is Google blacklisting?

To promote a safer internet and protect users from malware infections, Google and other search engines regularly review websites for malicious software, known as malware. The “Google blacklist,” often associated with Google Safe Browsing, is a database of websites identified as unsafe due to:

• Malware infections that spread malicious code
• Phishing pages designed to steal user data
• Unwanted or deceptive software downloads
• Hacked or injected content on legitimate websites

Malware can be used to attack websites in various ways, often without the site owner's knowledge. Since it’s not always obvious when a site is infected, search engines issue warnings to alert visitors. When a site is flagged, users may see warnings in search results or full-page alerts in their browser before accessing the site.

While blacklisting may seem harmful to small businesses, it isn’t intended as a punishment. Websites are blacklisted to protect users from hackers and malicious content. This approach promotes safe browsing for everyone, including web users, hosting providers, and site owners.

How does blacklisting work?

Search engines send out bots (the good kind) to crawl and “index” websites. The primary purpose of indexing is to make the crawled pages available to appear in search results, but these bots also look for website malware.

If malware is detected, the website will become inaccessible to visitors, or “blacklisted.” Blacklisting means that the site may be removed from search results so that it can’t be found through search, and a warning will prevent direct visitors from entering the site. This protects visitors from being affected by malware attacks, which could steal their personal data, send spam, or even spread more malware.

You may not know that your website has been infected with malware or malicious code—but you’ll likely become aware of it when Google or another search engine detects it and marks your site with the warning label. The same warning could also appear next to your domain name when prospective customers try to search for your business directly.

How to check if your site is blacklisted by Google

Running a quick blacklist check can help confirm whether your site has been flagged. Take a look at the following:

• Google Transparency Report: Enter your URL to review its Google Safe Browsing status
• Search your domain: Look for warnings such as “This site may harm your computer” in search results
• Google Search Console: Review the Security Issues report for malware or flagged content and any related notifications

Traffic changes can also point to an issue. A sudden drop in organic traffic or missing pages in search results may signal that your site has been flagged.

Consequences

Being removed from Google or another search engine’s results page means your rankings and visibility will plummet. Users won’t be able to find your website via Google search result pages (SERPs), and even if they visit your website directly, they’ll be deterred by a warning message. Ultimately, low visibility causes traffic to tank, which could inevitably hurt sales. Your Search Engine Optimization (SEO) efforts may lose their effectiveness, and recovery becomes harder the longer the issue remains unresolved.

These consequences can be devastating for small businesses. In some cases, websites that are hacked or flagged as unsafe can experience traffic drops of 50% or more in a short period of time.

This makes it incredibly important to identify and fix malware problems immediately.

Is blacklisting the best way to find website malware?

Blacklisting occurs only when malware is confidently identified, with a low likelihood of false positives. This cautious approach is necessary because blacklisting can be devastating to a business’s bottom line and reputation. However, there are two major drawbacks:

1. The damage has likely already been done. Search engine bots do not crawl websites daily, and the crawling frequency depends on various factors. As a result, by the time a website is flagged, it may have already been infected for days, if not weeks.
2. Many infected websites go undetected. According to SiteLock research, 83% of infected websites receive no warning from search engines at all.

While blacklisting is still a valuable service that protects many users from harmful malware infections, it is not designed to protect website owners. Relying solely on search engines to find malware is extremely risky. Fortunately, whether you’re a website owner or just a visitor, there are more proactive ways to ensure protection.

Recognizing a malware infection

While many types of malware are difficult to detect with the naked eye, some common attacks do show symptoms that all visitors should be aware of:

• Defacements. This attack is the easiest to spot, as cybercriminals will replace a site’s content with their own name, logo, and/or ideological imagery.
• Suspicious pop-ups. Be cautious when encountering pop-up ads claiming you're the lucky one-millionth visitor or offering similar unbelievable deals. These ads often contain hidden malware that could be downloaded to your computer if clicked.
• Malvertising. We recommend exercising caution when clicking on any ads, as legitimate ads can be infected with malware. However, some malicious ads are more obvious. They typically contain spelling/grammar errors or unprofessional graphic design, feature products that don’t match your browsing history, or promote “miracle” cures or celebrity scandals.
• Phishing kits. Phishing attacks trick users into handing over sensitive information by imitating commonly visited sites, like banking websites. They may seem real at first glance, but spelling and grammar errors will give them away.
• Malicious redirects. Often used in conjunction with phishing kits, malicious redirects take visitors from one site to another, usually a malicious site.
• SEO spam. If you see unusual comments, usually with spam links, in a website’s comments section, it’s likely SEO spam or spammy content.

Another way to quickly identify a potential malware infection is to analyze website traffic drops on webmaster tools like Google Analytics and Bing Analytics. Then, follow up on Google Search Console or Bing Webmaster Tools to see if any web pages were deindexed from search results. A sharp decline in organic traffic could be a telltale sign that your website is experiencing security issues.

How to remove a website from Google’s blacklist?

If you are blacklisted, you’ll need to get back up and running as soon as possible to avoid lasting damage.

1. The first step is to remove all malware from your website and database. This can be done using a website repair service or by using an automated website malware scanner. The automated scanner will find and remove any malicious content on your website, and it should have the capacity to patch security vulnerabilities to prevent “quiet attacks,” such as JavaScript or backdoor files.
2. Fix any other vulnerabilities, such as outdated plugins or weak credentials.
3. Once your site is malware-free, the next step is to create a Google Search Console account and request a review or recrawl of your site. If Google fails to detect malware during its scan, it will take your site off the Google Safe Browsing blacklist and remove the warning label.

Even if you mitigate the problem and restore your site as quickly as possible, those who did see the warning screen may not be keen to revisit your site anytime soon. This is one reason why the right website security solution should be your first line of defense against cyberattacks.

You can’t rely on Google or other search engines to catch all malicious links or content on your site. Not all infected websites are flagged or blacklisted, which means threats can go undetected for extended periods. Take adequate precautions by implementing automated security tools, and you won’t have to worry about how to get your website off the Google blacklist.

How to avoid being blacklisted

To secure your website and avoid being blacklisted, take these five steps.

1. Safeguard incoming traffic. The first step is to implement a web application firewall (WAF), which will act as a gatekeeper for incoming traffic. A WAF will block bad bots and suspicious IP addresses that could inject SEO spam, malicious links, and other nefarious content—all of which could flag you as a candidate for blacklisting.
2. Detect malware before search engines. Don’t wait to implement an automated malware scanner until after you’ve been blacklisted. Instead, implement an automated malware scanner to find and remove malware before Google or other search engines find it first. A good scanner should help prevent infection and blacklisting.
3. Monitor file changes. Establish a baseline of what your website’s file structure should look like, then regularly check for any changes to that structure. When changes occur, inspect them for anything suspicious.
4. Properly evaluate external links. Any links being used on your website for advertising, affiliate marketing, email marketing campaigns, or linking to another site should be properly vetted. If Google notices that your links lead to dozens of spam sites, it might blacklist your site, even if you aren’t hosting malicious content. Also, avoid the deceptive black hat SEO practice of purchasing links.
5. Consult a professional. Different environments and functionality can call for different security measures. In the same way, you would consult a mechanic regarding your vehicle, you should consult a security professional to help you establish what your security posture should look like. SiteLock’s professionals can help you learn more about how to secure your website.

Being blacklisted can cause permanent damage to your small business, but don’t blame Google. It’s only trying to protect web users. You should share that goal. By having robust cybersecurity strategies in place, you can prevent malware from entering your website and avoid having to get your website off the Google blacklist in the first place.

Mitigate blacklist security risks with SiteLock

SiteLock is a website security provider that helps protect businesses from cyber threats and prevents blacklisting. We offer a malware scanner to detect threats, malware removal to quickly clean up infections, and vulnerability patching to secure websites. Our WAF blocks malicious traffic, reducing the risk of attacks that can lead to blacklisting. By using these services, SiteLock helps keep websites secure and avoid the negative impact of being blacklisted by search engines.

Google blacklist FAQs

Am I on the Google blacklist?
You can check using the Google Transparency Report or the Security Issues report in Google Search Console.

Why is my site flagged as unsafe by Google?
Your site may contain malware, phishing content, or vulnerabilities that allow attackers to inject malicious code. This can happen through outdated plugins, weak passwords, or compromised files.

How do I remove my site from the Google blacklist?
You’ll need to identify and eliminate any malware or security vulnerabilities, update software and plugins, and secure access points. Once your site is clean, you can request a review through Google Search Console. Google will reassess your site, and if no threats are detected, the warning will typically be removed.