How to Reduce Your Websites Spam Score and Improve SEO

BacklinkScan Team on Dec 19, 2025

A healthy, trustworthy site is built by keeping your spam score low, maintaining a clean backlink profile, and following white-hat SEO best practices. When your website avoids toxic links, thin content, and over-optimized anchor text, search engines see it as more reliable, which can directly help improve SEO rankings and organic visibility.

In this guide, you’ll learn how to reduce your website’s spam score and improve SEO by auditing and cleaning backlinks, avoiding black-hat tactics, strengthening content quality, fixing technical SEO issues, and building natural, authoritative links so you can confidently lower risk while boosting performance for your main keyword: how to reduce your website’s spam score and improve SEO.

What is a website spam score in SEO?

A website spam score in SEO is a predictive metric that estimates how likely a domain or page might be seen as “spammy” based on patterns in its backlinks, content, and technical setup. It is not a direct Google metric. Instead, different SEO tools use their own models to flag sites that share characteristics with domains that have been penalized or deindexed in the past.

Spam score (or similar “toxicity” metrics) is best treated as a warning system. It helps you spot risky backlinks, over‑optimized pages, or suspicious patterns before they turn into real search visibility problems.

How tools like Moz, Ahrefs, and SEMrush calculate spam risk

Each major SEO platform handles spam risk differently:

• Moz Spam Score: Moz looks at a large set of domains that were banned or penalized and identifies common “spam flags.” Their Spam Score is based on binary signals such as low link diversity, very thin content, and keyword‑stuffed titles.
• Ahrefs: Ahrefs does not provide a single “spam score” metric. Instead, they encourage users to combine metrics like Domain Rating, organic traffic, link patterns, and anchor text.
• SEMrush (Toxicity Score): SEMrush uses a Toxicity Score from 0 to 100 for each backlink and an overall toxicity level for your domain, based on dozens of “toxic markers.”

Although the names differ, all of these systems try to answer the same question: Does this site or link look like the kind of thing Google usually distrusts?

Typical spam score ranges and what’s considered “too high”

Because each provider uses its own scale, “too high” depends on the tool:

• Moz Spam Score (0–100%): Low (0–10%) is usually normal; Moderate (11–30%) suggests you should review; High (30%+ indicates a strong overlap with known spam patterns).
• SEMrush Toxicity Score (0–100): 0–44: Non‑toxic; 45–59: Potentially toxic; 60–100: Toxic.

Does Google actually use spam score or is it just a warning signal?

Google does not use third-party spam scores in its ranking algorithms. These scores are proprietary estimates by SEO tools. Google uses its own spam detection systems and manual reviews.

How to check your current spam score and risk level

Using Moz and other SEO tools to find your site’s spam score

To check your spam score, enter your domain into an SEO platform. Look at:

• Spam Score percentage
• Domain and page issues
• Specific “spam flags” or risk factors

Checking spam indicators inside Google Search Console

Google Search Console shows whether it has taken manual action against your site:

• Security & Manual actions → Manual actions: Check for issues like “unnatural links.”
• Links report: Review which sites link to you most.
• Performance report: Sudden drops in impressions and clicks can hint at algorithmic spam filtering.

Common reasons your website’s spam score is high

Toxic or irrelevant backlinks from low‑quality sites

Backlinks from untrustworthy sites can drive up your spam score. Tools flag these as “toxic” because they resemble paid links or link schemes.

Over‑optimized anchor text and unnatural link patterns

Using the same keyword phrase for major backlinks indicates manipulation. Healthy profiles mix branded anchors, naked URLs, and generic phrases.

Thin, duplicate, or AI‑generated content that looks low quality

Pages lacking original value can contribute to higher spam scores. It’s vital to ensure that content is valuable and not just keyword-focused.

Technical issues that can look like spam

Technical SEO problems, like redirect chains and crawl errors, can misleadingly enhance your spam signals. Fixing these is essential for maintaining a clean profile.

Cleaning up your backlink profile safely

How to audit backlinks for spammy or toxic links

Export all backlinks from SEO tools. Sort by:

• Domain authority
• Anchor text

Flag backlinks that look spammy and check them manually.

When to request link removal vs. when to use the disavow tool

Contact the site owners for removal. Use the disavow tool when:

• The site is spammy and can’t be contacted.

Avoiding link farms, paid links, and risky link exchanges

Avoid backlink deals that sound too good to be true. Focus on genuine, topic-relevant sites.

Content improvements that naturally lower spam score and boost SEO

Rewriting or removing thin, duplicate, or outdated pages

Identify and improve low-quality pages to increase the perceived value.

Reducing keyword stuffing and over‑optimization

Ensure content reads naturally without forced keyword placements.

Creating helpful, experience‑driven content

Shift content towards quality and genuine insights that attract natural links.

On-site changes that make your site feel less spammy

Simplifying layout and navigation

Maintain a clear, predictable layout. Use simple navigation that makes it easy for users to find what they need.

Cleaning up low‑quality user‑generated content

Monitor and moderate user-generated content to maintain quality signals.

Technical SEO fixes that support a lower spam score

Fixing broken links, redirect issues, and crawl errors

Clean up errors to lower spam risk and maintain a trustworthy site.

Improving page speed, mobile friendliness, and core web vitals

Optimize your site for speed and usability to improve rankings.

Using HTTPS and basic security measures

Serve your site over HTTPS and take security seriously to prevent spam issues.

Link building strategies that reduce spam risk over time

Focusing on relevant, high‑quality, niche‑specific backlinks

Aim for links from respected, relevant sites that drive real traffic.

Guest posting, digital PR, and partnerships done the right way

Ensure the focus is on value and quality content rather than just link placement.

Building a natural mix of branded, generic, and keyword anchors

Strike a balance in anchor text to avoid looking manipulative.

How to monitor spam score and measure SEO improvement

Setting up a regular schedule to review spam score and backlinks

Regular maintenance is key. Track the spam score and backlink profile monthly.

Tracking changes in organic traffic, rankings, and visibility

Monitor SEO performance alongside spam scores to see improvement.

Knowing when a high spam score is urgent and when it’s just a warning

Be proactive when spam scores spike or correlate with traffic drops.