Free Online SPAM Scanner Tool

Website Spam Scanner

Find All Types of Website Spam That May Hurt Your Visitors & SEO

Our advanced website spam scanner detects and helps remove all types of malicious injections from your site — Japanese keyword hack, pharmacy spam, doorway pages, hidden iframes, encrypted SEO links and cloaked spam pages. Protect your search rankings, your customers, and your business reputation with continuous security monitoring and enterprise-grade malware removal.

100K+
Websites Scanned
15+
Spam Types Detected
24/7
Security Monitoring
99%
Detection Accuracy

Common Types of Website SPAM

Hackers use compromised websites for black-hat SEO and to promote their own projects. Here are the most common types of spam injections we detect every day.

Hidden Spam Links

Thousands of websites get hacked every day. You may not even realize that your site has been compromised until you start losing your SEO rankings and your customers along with them. Hackers exploit your website for black-hat SEO, planting hidden backlinks to boost rankings for their own projects at your expense.

Hidden Spam Pages (Cloaking)

Cloaking refers to the practice of presenting different content or URLs to human users than to search engines. Most webmasters never notice that their website has been hacked and that hundreds of spam pages have been generated under their domain. This can severely harm your SEO and result in a Google penalty or complete deindexing.

Doorway Pages & iFrame Spam

Doorway pages are designed to rank highly for specific search queries. Hackers use compromised websites to create hundreds of these pages, pushing their own projects to the top of search engines and selling their products through your domain. Our scanner detects and helps remove these pages before your website gets banned by Google.

Pharmacy & Other Spam Categories

Spam injected into your website isn't limited to pharmaceutical content — it may include dating links, fake lotteries, counterfeit designer brands, replica watches, fake software downloads, and many more categories. Our SPAM scanner detects and helps remove every type of spam link and page from your website to protect your reputation and visitors.

SPAM Types Our Scanner Detects

When hackers gain access to your website, they install malicious code to create hundreds of low-quality spam pages promoting their own products and services. As soon as these fake pages get indexed, your website risks being banned from Google's search results. Our advanced web protection scanner identifies all the following threats:

1

Doorway Pages

Doorway pages are used to sell fake goods and services. As soon as a hacker installs malicious code on your website, hundreds of generated pages get indexed by Google. The result: your website gets blacklisted and removed from search results, costing you traffic and revenue.

2

Japanese Keyword Hack

Also known as "Japanese Search Spam" or "Japanese Symbol Spam," this attack uses your website to spam Google search results and push low-quality sites to the top. It often goes unnoticed because the injected content is invisible to direct visitors but fully indexed by search bots.

3

Hidden SEO Links

Once your website gets hacked, it can be used as a black-hat SEO platform. Everybody knows that Google rewards backlinks — this is why hackers gain access to your site to plant hidden backlinks pointing to their own pages and blogs, undermining your SEO authority.

4

Infected Pages

Our scanner detects and helps fix all types of infected pages. Some pages remain invisible to visitors and webmasters but are fully visible to search engines. Our scanner mimics Google's crawler behavior and reveals all hacked pages and plugins on your website.

5

Encrypted Links

Did you download a free template or install a plugin from a third-party website? You should definitely scan your website for poor-quality links. Hackers commonly use free templates and plugins to inject encrypted links that are only visible to search engines, harming your domain authority.

6

Iframes & Malicious Redirects

Our Smart SPAM Scanner can also identify other types of potentially harmful content such as malicious iframes, redirect chains, poor-quality outbound links and obfuscated JavaScript. It helps you keep your website clean and safe for visitors, customers and search engines.

Bad Bot Protection & Website SPAM Prevention

Our module detects whether a real visitor or a bot is trying to enter your site, and blocks all malicious bots — spam, parsing, brute force, vulnerability scanners and more.

GET A FREE 14-DAY TRIAL — NO CREDIT CARD REQUIRED

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Bad Bot & SPAM Protection Plans

Choose the protection level that matches your website needs — from basic spam blocking to enterprise-grade security monitoring.

Basic

$9.95/month

Price per 1 website

  • Blocking SPAM Bots
  • Blocking Brute Force Attacks
  • Web Scraping Protection
  • Bots Whitelist Database
  • Monthly Database Updates
  • Website Performance Optimization
  • Email Support (24-48h response)
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Premium

$39.95/month

Price per 1 website

  • All Standard features
  • Daily Database Updates
  • Daily Malware Scan
  • CMS Security Optimization
  • Daily Vulnerability Scans
  • Website Changes Monitoring
  • Server Logs Analysis
  • Blacklist Monitoring
  • WAF (Web Application Firewall)
  • Email & Live Chat support (24h)
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Why Choose SiteGuarding

Comprehensive enterprise website security combined with personal expert support — that's what makes us different.

Time Matters

If your website got hacked, don't wait until it gets blacklisted. You can lose customers and search engine positions. There's no time to wait — you should act fast!

24/7 Support

Other website security companies make you talk to bots — never real people. At SiteGuarding, our staff is available 24 hours a day, 7 days a week, to assist you when threats hit.

Your Safety

Your safety is our goal. We work hard 24/7 to protect your business and your customers. At SiteGuarding we're committed to your complete satisfaction.

Proven Expertise

15+ years of malware removal, DDoS mitigation and corporate website protection. Trusted by 100,000+ webmasters worldwide for advanced web protection and continuous security monitoring.

Why Continuous SPAM Monitoring Matters

When hackers gain access to your website, they install malicious code to create hundreds of low-quality spam pages designed to promote their products and services. Spam categories vary widely and may include pharmacy spam, SEO services, dating, fake lotteries, counterfeit designer brands, replica watches, free pirated software, and many more shady niches. As soon as these fake pages get generated on your server, your website risks being banned from Google search results and removed from organic listings entirely.

The damage caused by spam injections goes far beyond lost SEO rankings. Your visitors may be redirected to malicious sites, your customers may lose trust in your brand, and Google may flag your domain with a "this site may harm your computer" warning that scares away nearly every visitor. Recovering from a spam-related Google penalty can take weeks or months, even with professional malware removal — which is why prevention with continuous security monitoring is always cheaper and faster than recovery.

Our Smart SPAM Scanner identifies all types of potentially harmful content — malicious iframes, encrypted SEO links, doorway pages, cloaked content, poor-quality outbound links, redirect chains, obfuscated JavaScript and Japanese keyword injections. It helps you keep your website clean, protects your search engine rankings, and ensures a safe experience for your visitors and customers. Combined with our enterprise website security suite, advanced web protection and 24/7 monitoring, you get a complete corporate website protection solution.

Get Daily Website Protection

Daily monitoring minimizes incident time. Our automated scanners watch your site around the clock for spam, malware and unauthorized changes.

Basic

$9.95 USD/month
or $109.95 USD/year
Best for: small personal sites
Website Antivirus PRO
AI Guard (threat analysis)
Server-side scanning & file-change monitoring
Blacklist monitoring
Free malware removal (yearly)

Scan period: every 24h

Support response: 24–48h

Extras: SSL (yearly), backups (yearly)

Get Basic

Standard

$14.95 USD/month
or $199.95 USD/year
Best for: small & medium personal/business sites
Website Antivirus PRO
AI Guard (threat analysis)
Server-side scanning & file-change monitoring
Blacklist monitoring
Free malware removal & extra services (yearly)

Scan period: every 24h

Support response: ≤ 24h

Extras: SSL (yearly), backups (yearly)

Get Standard

Business

$99.95 USD/month
or $999.95 USD/year
Best for: medium & big business sites (up to 5 websites)
Website Antivirus PRO
Website Firewall (WAF)
GEO blocking & Bad bot protection
Blacklist & spamlist removal
Priority support (≈1h response)

Scan period: every 1–12h

Support response: ≈ 1h

Extras: Malware cleanup (unlimited, ~1h)

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Frequently Asked Questions

Common questions about website spam, hidden injections and our SPAM scanner.

How does the website spam scanner work?
Our scanner crawls your website like a search engine bot, fetching pages with multiple user-agents to detect cloaked content. It then analyzes HTML, JavaScript and outbound links to identify spam injections — Japanese keywords, pharmacy spam, doorway pages, hidden iframes and encrypted SEO links — that may be invisible to regular visitors but visible to Google.
Is the SPAM scan really free?
Yes, the basic spam scan is 100% free with no registration required. Just enter your website URL and we'll analyze publicly accessible pages. For deeper server-side analysis, file scanning and ongoing monitoring, you can sign up for our paid plans starting at $9.95/month.
My website looks fine — why might it have spam?
Modern spam attacks use cloaking — your site looks normal to you but serves entirely different content to search engines. By the time you notice rank drops or a Google warning, the spam has already done weeks of damage. Regular spam scans catch infections in their early stages, before your domain gets blacklisted.
What is the Japanese keyword hack?
The Japanese keyword hack is a black-hat SEO attack where hackers inject thousands of auto-generated pages in Japanese onto your domain to rank for counterfeit goods and replica watches. These pages are typically cloaked from direct visitors but visible to Googlebot, leading to rapid blacklisting and severe SEO penalties.
Can you remove the spam after detection?
Absolutely. Our security professionals offer full malware and spam removal services with a 14-day guarantee per website. We clean infected files, remove backdoors, harden your CMS, and submit blacklist removal requests to Google, McAfee, Norton and other authorities to restore your reputation.
How can I prevent future spam injections?
The most reliable approach is layered protection: a Web Application Firewall (WAF) to block exploit attempts, daily file integrity scanning, brute-force protection on admin logins, automated daily backups, and continuous security monitoring. Our Premium plan includes all of these plus DDoS mitigation for complete corporate website protection.

Stop SPAM Before It Hurts Your Rankings

Join 100,000+ website owners who trust SiteGuarding for advanced web protection and continuous security monitoring.

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