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Google Spam Update: what it is and how Google fights spam

By Tiago CostaUpdated on July 2, 2026

Illustration of a search engine filter holding back spam pages marked with X and letting clean pages pass through.
Definition

A Google Spam Update is an update that strengthens Google's automatic anti-spam systems. It usually targets practices such as:

  • mass-produced, low-quality content;
  • abuse of domain reputation and third-party content;
  • cloaking, hidden text and deceptive pages;
  • link schemes created to manipulate rankings.

What a Google Spam Update is

A spam update is the name Google gives to updates aimed exclusively at fighting spam in the search results. Instead of changing how it assesses the general quality of pages, the search engine improves the systems that detect and demote content that violates its spam policies.

These updates are usually applied by an automatic system Google calls SpamBrain, an AI-based mechanism that identifies manipulation patterns at scale. When one of these updates rolls out, it sweeps the web looking for signs of black hat practices, the tactics that try to trick the ranking instead of earning the position.

In practice, a spam update does not punish someone who makes an occasional slip, but someone who builds growth on forbidden techniques. It is Google closing the loopholes that some sites exploit to rank without delivering value.

What the spam update penalizes

Each spam update may focus on a set of practices, but some violations are recurring targets. The main ones are:

  • Mass-produced content: pages produced at scale, often by AI, only to rank, with no review or value of their own.
  • Site reputation abuse: publishing low-quality third-party content on a strong domain just to take advantage of its authority.
  • Cloaking and deceptive pages: showing the search engine something different from what the user sees, a practice detailed in the entry on cloaking.
  • Keyword stuffing: the artificial overuse of keywords in an attempt to force relevance.
  • Link schemes: buying links, link farms and networks created only to inflate authority.

A good part of these targets overlaps with thin content: when a page delivers no value and still uses tricks to rank, it becomes a natural candidate to be hit by a spam update.

Infographic with what a spam update penalizes: mass content, reputation abuse, cloaking, keyword stuffing and link schemes.
The practices a spam update penalizes, listed from top to bottom.

Spam update and AI-generated content

The big news in recent spam updates is the focus on content mass-produced by artificial intelligence. Google made it clear that it does not penalize AI itself, but the use of AI to produce pages at scale, with no originality, with the sole goal of manipulating search.

The concern is grounded in the reality of the results. An ongoing study by Originality.ai estimates that around 17% of the top twenty Google results are already AI-generated, a level well above what was recorded a few years ago. This growth helps explain why the search engine strengthened its anti-spam systems precisely against low-value automated production.

The way out for those who use AI legitimately is to add human curation, verifiable data and signals of experience and authority. What separates good AI-assisted content from AI-generated spam is not the tool, but the real value delivered to the reader.

Spam update vs core update: what is the difference

It is common to confuse the two types of update, but they have different purposes. Understanding the distinction helps diagnose a traffic drop:

Spam updateCore update
Fights violations of the spam policies.Reassesses the general quality and relevance of results.
Hits those who use manipulative techniques.Can affect any site, even without violations.
Recovery depends on removing the spam.Recovery depends on improving content quality.

If your site dropped during a spam update, the path is to hunt down and fix forbidden practices. A drop in a core update, on the other hand, calls for a broader look at the quality and usefulness of the content. Telling the two apart avoids wasting time fixing the wrong problem.

How to recover a site hit by a spam update

Recovering from a spam update is possible, but rarely quick: Google only reprocesses the site in the next update or as it recrawls the pages. The work is cleanup and patience. A routine:

  • Identify the violation: compare the date of the drop with the update announcements and review the spam policies to find what was broken.
  • Remove the problem content: delete or rewrite mass-produced, duplicate or deceptive pages.
  • Clean the link profile: in cases of artificial links, remove what you can and use disavow for the toxic links that remain.
  • Move to white hat practices: replace the shortcuts with white hat techniques and with merit-based link building.
  • Document and wait: record everything that was fixed and track performance in the next updates.

There is no instant recovery button. The signal Google expects is consistency: a site that abandoned spam for good and started to deserve the positions it holds.

Illustration of a site being cleaned with a broom and a checklist, with traffic rising again after recovery.

How to prevent spam updates

The best defense against a spam update is never to depend on spam. Sites built on good practices rarely feel these updates, and can even gain positions when manipulative competitors fall. A few principles:

  • Produce for people: write useful, original and reviewed content, thinking first of the reader.
  • Avoid shortcuts: no mass content without curation, no buying links, no technical tricks.
  • Build real authority: earn mentions and links on merit and cover topics deeply to reinforce topical authority.
  • Mind the experience: fast, honest and easy-to-navigate pages inspire trust in the user and the search engine.
  • Monitor the updates: follow the official announcements to react early to any swing.

Treating every Google rule as a floor, not a ceiling, is what keeps a site immune to most spam updates over time.

FAQ

Frequently asked questions

What is a Google spam update?

It is an update in which Google strengthens its automatic anti-spam systems to detect and demote pages that violate the spam policies. Unlike a core update, it targets specific manipulative practices, such as mass-produced content, cloaking and link schemes.

What was the 2026 Google spam update?

Google rolls out spam updates periodically, and the naming follows the month and year, such as the June 2026 Spam Update. Each one strengthens the anti-spam systems against the tactics of the moment, with a recent emphasis on mass-produced AI content with no value of its own.

What is spam on a website?

Spam on a website is any content or technique created to manipulate the search engine instead of serving the user: mass-generated text, deceptive pages, cloaking, keyword overuse and artificial links. These are exactly the practices spam updates exist to fight.

How do you recover a site after a spam update?

Identify which policy was violated, remove or rewrite the problem content, clean the artificial link profile with disavow and move to white hat practices. Then document the fixes and wait for Google to reprocess the site in the next update.

Does the spam update penalize AI content?

Not AI itself. Google penalizes the use of AI to generate pages at scale, with no originality and only to rank. AI-assisted content that goes through human curation, brings verifiable data and delivers real value is not a target of these updates.

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Related concepts

Core updateA core update (or main update) is a broad, periodic change Google makes to its ranking algorithm, capable of reshuffling search results across almost every niche at once. Unlike small tweaks, it reassesses how the search engine judges the relevance and quality of pages, which can make a site gain or lose positions even when nothing changed on the page itself.Black hatBlack hat SEO is the set of optimization techniques that break search engine guidelines to try to rank through manipulation rather than merit. These are forbidden practices such as keyword stuffing, hidden text, buying links and cloaking, all meant to fool Google's algorithm. They can bring quick gains, but they expose the site to penalties that can wipe out its traffic overnight.Thin contentThin content is the page that offers little or no real value to searchers: short, generic text, copies of other sites, mass-produced content with no review or pages created just to try to rank. For Google, this kind of material does not deserve good positions and, in excess, it can affect the assessment of the whole site. Fixing thin content means deepening, merging or removing these pages so each one truly answers the user's intent.Keyword stuffingKeyword stuffing is the practice of repeating a keyword in an excessive, artificial way inside a page, trying to manipulate Google rankings. Instead of helping, that forced repetition hurts readability, signals spam to the search engine and can trigger a penalty. Today it is seen as an outdated black hat technique, since the algorithms understand the context of the text and reward content written for people.
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