How to check a website for Google penalties and filters?

A sharp drop in organic traffic is often attributed to Google penalties, although dozens of other causes produce a similar pattern. A site update could result in a noindex, a canonical change, broken interlinking, some pages becoming unresponsive, or several URLs that previously drove the bulk of traffic dropping.

Therefore, checking a website for sanctions begins with a sequential diagnostic. First, you need to rule out manual actions and security issues, then check indexing and technical settings, and then examine query dynamics, the link profile, search results changes, and page quality.

What are Google sanctions and filters?

In SEO, the term “penalties” typically refers to search visibility restrictions related to violations of Google policies. Some such cases are confirmed directly in Google Search Console, while algorithmic penalties typically have to be determined based on traffic, rankings, indexing, and search results changes.

The term “filter” is used more broadly and is often applied to any noticeable drop following algorithm changes. For diagnostic purposes, it's best to distinguish between manual actions, algorithmic re-evaluation, technical errors, security issues, and legal removals, as they are verified differently.

What are Google's manual actions?

Manual actions are triggered after a site is reviewed by Google specialists. If a spam policy violation is detected, the action can affect a single URL, a specific section, or the entire site, and information about the action is displayed in Google Search Console.

The message specifies the type of issue and, when possible, examples of the affected pages. After the issue is resolved, the site owner can submit a reconsideration request, detailing the corrections made.

What is called an algorithmic filter?

Algorithmic downgrading typically doesn't trigger a separate notification in Manual Actions. A page may lose rankings due to ranking system updates, a change in intent, the emergence of stronger competitors, or a reassessment of the quality of a specific group of documents.

In this case, checking a site for penalties is based on comparing the periods before and after the drop. It's important to determine which URLs and queries lost impressions, whether the drop coincided with Google updates, and which pages took over the vacated positions.

How is the Core Update different from sanctions?

The Core Update affects overall ranking systems and does not mean that a specific site has received a manual penalty. After the update, Google may reassess page relevance, completeness of responses, information quality, and relevance to current search intent.

If the drop coincided with the Core Update, it's worth analyzing the groups of pages that lost rankings and the current top rankings. A simple coincidence of dates doesn't prove the presence of a filter, so further auditing should be based on Search Console data and search results changes.

What is website pessimization in Google?

Pessimization is usually understood as a decrease in the visibility of a website or individual pages in search results. The term itself describes the result but doesn't explain the cause, so the query “Google website pessimization” can't be diagnosed based on a traffic graph alone.

A similar decline could be due to manual actions, a canonical error, pages being blocked from indexing, changes in demand, or a deterioration in rankings after an algorithm update. First, it's necessary to determine the scale of the problem and the exact date the decline began.

What's the difference between a filter, sanctions, ban, and deindexing?

These concepts are often confused, leading website owners to fix links or text, even though the problem lies in technical settings. For initial diagnosis, it's helpful to separate cases by the mechanism and source of confirmation.

If you need to check a site for filters, checking the index alone isn't enough. A conclusion is reached after comparing multiple sources, as each one only reveals its own part of the problem.

How can I tell if a website may have been penalized by Google?

The most noticeable signal is usually a drop in organic traffic, but a decrease in clicks doesn't necessarily confirm a penalty. It could be due to seasonality, lower demand, a change in CTR, the loss of several traffic queries, or a technical glitch after a recent release.

Before conducting a thorough audit, it's helpful to break down your site by catalogs, page types, devices, and countries. If the decline is localized within a single section, the causes are usually different from those seen when the entire domain drops almost simultaneously.

Organic traffic has dropped sharply

In GA4, open Organic Search and compare comparable periods. For seasonal projects, it's worth adding year-over-year comparison, as a normal drop in demand can sometimes look almost identical on the chart to search visibility issues.

If the decline occurs almost overnight, you should check releases, Manual Actions, Security Issues, and the site's accessibility to Googlebot. If the decline is gradual, pay more attention to competitors, content, demand, and changes in search results.

Google Search Console impressions and clicks have dropped sharply

In the Performance report, compare the periods before and after the drop, then open the Queries, Pages, Countries, and Devices tabs. This breakdown shows whether the entire site has lost rankings or whether the underlying issue is confined to a few pages and query groups.

If clicks are falling while impressions and rankings remain stable, the cause may be the CTR or a change in the search results structure. A simultaneous decline in impressions and average rankings requires an assessment of ranking, content, indexing, and the competitive environment.

Pages have disappeared from the index

Massive URL loss requires checking the Indexing report and individual pages using URL Inspection. Causes may include noindex, incorrect canonical, server errors, robots.txt blocking, duplicates, or changes to the page's accessibility for search engines.

The site: operator can be used as a quick additional test, but it doesn't show the exact number of pages in the index. You can't test a site for a filter based solely on the number of results from this operator.

The site has lost rankings for branded queries

A drop in rankings for a company name, domain, or brand + service combination warrants a separate review. First, ensure that the homepage and primary brand pages are indexed, have the correct canonical, and don't compete with other URLs on the same site.

Branded queries are especially useful when checking a domain for penalties before purchasing. A sudden loss of brand visibility, coupled with pages disappearing from the index, increases the risk of problems but still requires additional confirmation.

Only individual pages or sections have dropped

A localized drop often indicates a problem with a specific template or content type. You should check intent, duplicates, canonicals, internal links, cannibalization, link profiles, and changes to the competitor pages that took over the site's former positions.

Checking whether a page is subject to a filter should begin with the data for a specific URL. Analyzing the entire domain here often hides the cause, as most other pages may continue to function without noticeable changes.

How to check a website for Google penalties?

It's best to check a website for sanctions using a fixed sequence, starting with Google's own services. This order allows you to quickly detect a confirmed manual action, hack, or technical block, and only then move on to a more complex analysis of algorithmic factors.

For initial diagnosis, it's helpful to use the following table. It shows where to look for the cause depending on the symptom observed.

A simplified diagnostic flow can be presented as follows:

Traffic Drop → Manual Actions → Security Issues → Indexing → Performance → Technical Audit → Links and Content → SERP Analysis → Action Plan.

This route helps avoid starting with guesses about old filters until more likely and easily confirmed causes have been verified.

Step 1: Check Manual Actions in Google Search Console

Open Google Search Console, then the Security & Manual Actions section, and then the Manual Actions tab. If the system reports no issues, no confirmed manual actions have been detected at this time, but an algorithmic drop or technical error is still possible.

If a message is present, you should read the violation description and determine the scope of the action. This section is the first place to check your site for Google penalties, as Google directly notifies you of manual actions here.

What to do if a manual action is detected?

First, fix the violation on all affected pages and check if a similar issue is recurring in other sections. If the cause lies in a link scheme, evaluate it completely rather than removing random external links without analysis.

After implementing the fixes, submit a reconsideration request. The request should briefly describe the cause found, the changes made, and how the results were verified so that a Google specialist can see the specific work done to resolve the issue.

Step 2: Check for security issues

The Security Issues section may display signs of hacking, malware, phishing, or embedded content. These issues are sometimes accompanied by warnings in search and browsers, so they should be addressed regardless of the site's current ranking.

Additionally, a URL can be checked using Google Safe Browsing. However, checking a site for search engine filters using Safe Browsing is inaccurate, as the service evaluates the resource's safety, not the presence of algorithmic SEO filters.

Step 3. Check website indexing

Open Indexing and examine the reasons for page exclusions. Pay particular attention to URLs that previously generated traffic, as well as any significant changes in the number of indexed pages following a CMS update, migration, or template changes.

For important URLs, use URL Inspection. Check Googlebot accessibility, selected canonical, index status, last crawl date, robots.txt, sitemap.xml, and the page's HTTP response code.

How can I check if a single page is subject to a filter?

First, ensure the URL is indexed and Google has selected the expected canonical. Then, compare the page's clicks, impressions, positions, and queries before and after the drop date, and check whether another URL on the site has started ranking for the same queries.

After the technical part, compare the page with current competitors in the search results. You need to evaluate the page type, completeness of the answer, relevance of the information, internal links, and relevance to the intent, as local declines are often explained by these factors.

Step 4: Check organic traffic dynamics

In GA4 and Search Console, determine the exact date when the decline began. Then, break down the data by device, country, catalog, page, and query to understand the scale and identify URL groups with similar dynamics.

Compare CTR, average position, and impressions separately. If clicks have dropped while rankings remain stable, the issue may lie with demand or the snippet, while a simultaneous loss of position and impressions requires a more in-depth SEO analysis.

Lead SEO specialist — Gennady

I start my penalty check in Google Search Console. If there are no warnings in Manual Actions, I note the lack of confirmed manual actions and determine the scale of the drop: the entire site, a section, or just a few URLs. Then I compare clicks, impressions, positions, and queries, check indexing, and only then do I correlate the drop with Google updates. Often, the cause is a noindex after a release, an incorrect canonical, cannibalization, or a loss of rankings on several traffic pages.

Step 5: Correlate the drop with Google updates

Compare the start of the drop with the official ranking update history. A date match helps form a hypothesis, but is not considered proof of sanctions, as technical changes to the site or a seasonal decline in demand could have occurred during the same period.

If the date coincides with a major update, analyze the URL groups that lost rankings. Check what type of pages have risen in their place, how competitors perform differently, and whether the same search intent has been maintained.

Step 6: Check your link profile

Use the Links section in Search Console, as well as Ahrefs, Semrush, Serpstat, or another service with its own link database. Review the dynamics of new domains, anchor text, sitewide links, suspicious spikes, PBNs, and irrelevant donors.

Unnatural links and link spam can violate Google's policies, especially if the links were systematically created to influence rankings. However, a single weak link doesn't confirm a penalty, so it's important to evaluate the scale and frequency of the pattern.

Step 7: Check the website content

Check for duplicates, doorway pages, keyword stuffing, scaled content abuse, and a large number of weak pages created solely to cover search queries. For commercial sections, additionally evaluate prices, terms, features, trust elements, and the completeness of information needed to choose.

Old content can also gradually lose visibility if competitors have updated their data and are more accurately closing the intent. In such a situation, checking the site for filters should include a comparison with the current search results, not just a technical audit.

Step 8. Check the technical reasons for the drop

Technical errors can sometimes cause a more dramatic drop than algorithmic changes. Therefore, it's important to check robots.txt, meta robots, X-Robots-Tag, canonical, redirects, HTTP codes, sitemap.xml, server-side rendering, and the availability of key content for Googlebot.

After a migration or redesign, the old and new URLs, 301 redirect map, internal links, and meta tags are checked separately. 404, 5xx errors, redirect loops, or canonicals pointing to another section can affect hundreds of pages at once.

How to check a domain for sanctions before purchasing?

An old domain may have a good linking history, but it may also be subject to the consequences of spam usage, topic changes, or poor link building. Therefore, it's advisable to check the domain for penalties before purchasing it and especially before transferring a new project to it.

If you have access to Search Console, you should first review Manual Actions, Security Issues, and Performance history. Without such access, you can't rule out manual actions with 100% certainty, so decisions are made based on several indirect indicators.

Before purchasing, it is advisable to perform the following checks:

1. Study the history of organic visibility and find sharp collapses from which the domain did not recover.
2. Check the current indexing and make sure that there are no spam or hacked pages left in the search.
3. Review previous versions of the site and determine how often the project's core theme has changed.
4. Analyze the link profile, anchors, PBN, sitewide links, and irrelevant donors.
5. Check branded and thematic queries for which the domain previously gained visibility.

A domain penalty check should conclude with an overall risk assessment. If the domain's history is unclear, the backlink profile is heavily spammed, and there's no access to Search Console, the benefits of the old domain may not justify the future costs of restoration.

Why might a site lose rankings without sanctions?

Checking a site for Google penalties is often quick, and Manual Actions returns nothing, even though search visibility has indeed dropped. Then you need to move on to the more common causes of the drop, which are much more common than a full ban or manual action against the entire domain.

The main causes include changing intent, competitive growth, cannibalization, seasonality, technical releases, and internal link changes. Each situation leaves its own indicators in Search Console and the current search results.

The search intent has changed

Google may start showing a different type of page for a query, for example, a category instead of an article, or a commercial landing page instead of an informational piece. If the URL format no longer matches the search results, even high-quality text gradually loses rankings.

When checking, compare the types of documents in the top results before and after the drop. If most results have changed format, reworking individual paragraphs usually won't solve the problem without changing the page structure.

Competitors have improved their pages

Sometimes, a site remains virtually unchanged, but competitors significantly enhance their content, terms, commercial sections, and internal linking. As a result, they rise in rankings, while the former leader gradually loses clicks.

You need to compare specific pages from the same search cluster. An overall domain comparison is of little use if growth has occurred only in a few categories or information areas.

Demand has decreased

Even with a stable average position, a decrease in impressions is often due to seasonality or a general decline in demand. This effect is especially noticeable in niches where interest is highly dependent on the time of year, exchange rates, legislation, or economic conditions.

To check, compare year-over-year data and look at the dynamics of individual queries. If the entire category is receiving fewer impressions while maintaining rankings, there's usually no reason to look for penalties.

Cannibalization occurred

Several pages on a single website can compete for the same queries, causing Google to periodically change the URLs in search results. Rankings become unstable, and internal and external signals are distributed among similar documents.

In Search Console, open a specific query and check the Pages tab. If multiple URLs for a single cluster change regularly, it's worth reviewing the page assignment, content, and interlinking.

Internal links have changed

Removing menus, breadcrumbs, or contextual links can significantly weaken important pages. URLs that, after a redesign, end up deeper in the site structure or completely lose incoming internal links are especially vulnerable.

After major website changes, it's helpful to compare click depth and the number of links to priority pages. This type of audit often reveals the root cause faster than analyzing the external link profile.

There were problems with indexing

An incorrect noindex, canonical to a different URL, robots.txt closure, or long-lasting 5xx errors may affect only part of the project. If the problem appeared immediately after a release, you should check these changes first.

A technical glitch usually leaves a specific trace in indexing, URL inspection, or crawl results. Once detected, analyzing old algorithmic filters becomes secondary.

The site has been moved or redesigned

Migration simultaneously changes URLs, redirects, templates, internal links, content, and meta tags. Even with careful migration, some fluctuations are possible, and errors in the redirect map or canonical can lead to long-term loss of visibility.

Before launching a new version, you need to save the old list of URLs and compare them with the new addresses. After the release, additional checks are made for crawling, HTTP codes, indexing, and the dynamics of key pages.

Google re-evaluated page quality after the Core Update

After the Core Update, there's no need to look for a single, universal “penalty factor”. It's more useful to group the URLs that have lost ground and compare them with the current top performers by intent, content, relevance, structure, and usefulness.

Corrections must address the identified cause. Massive addition of text, FAQs, or keywords without analyzing the search results may increase the page size but won't solve the ranking problem.

Google Complaints and DMCA: Can They Affect SEO?

Google complaints fall under different procedures, each with its own basis and consequences. Spam reports, copyright complaints, security requests, and manual actions cannot be combined into one category, as Google processes them according to different rules.

The “DMCA SEO” topic typically comes up when the search visibility of a specific URL changes due to a copyright holder's complaint. Here, it's important to analyze the legal basis for the removal and the specific pages involved, rather than looking for a classic algorithmic filter.

What is a DMCA complaint?

A DMCA complaint concerns alleged copyright infringement. The copyright holder or their agent can submit a copyright removal request, specifying the original material and the URL where the content they believe to be infringing is located.

A DMCA complaint is not a Manual Action and does not, in itself, confirm an SEO penalty against the entire domain. The consequences depend on the content of the complaint, its validity, and Google's decision on specific URLs.

How does the DMCA affect SEO?

If the complaint is upheld, the specific result may no longer appear or be limited in the relevant search results. For the affected page, this means a reduction or loss of organic traffic.

It's impossible to generalize the effects of a single removal to an entire site without additional data. When analyzing DMCA SEO, you need to check specific URLs, notices, and the number of such requests.

What should I do if I receive an erroneous DMCA complaint?

First, you need to check the rights to the material, the complainant's details, and the specific subject of the complaint. If the content is being used legally, you can explore the available appeal procedure or contact the complainant to discuss withdrawing the complaint.

Legal statements should not be submitted automatically using a template. For controversial commercial materials, it's best to prepare supporting documents and, if necessary, engage a specialized lawyer.

Does every complaint to Google lead to a site being penalized?

No, different complaints are processed through different mechanisms and may not affect search results at all. Spam reports, copyright complaints, SafeSearch reports, and Security Issues have different reasons and verification methods.

Therefore, the query “Google complaints” should be analyzed based on the specific type of request. For SEO, the affected URL, the notification from Google, and the actual change in its presence in the search results are important.

For what reasons can Google take manual action?

Manual actions are related to violations of Google Search policies. Typical causes include systemic link schemes, hidden content, doorway pages, the mass creation of weak pages, and other methods of artificially influencing rankings.

During an audit, the following areas are usually checked:

• Unnatural links and link spam created systematically to transfer search engine weight and improve rankings.
• Cloaking and hidden redirects, in which different content is shown to the search robot and the user.
• Keyword stuffing and hidden text, designed primarily to add extra occurrences of search phrases.
• Scaled content abuse and doorway pages with a large number of similar pages without independent value.
• Site reputation abuse and expired domain abuse, which involve exploiting a site's reputation or domain history.
• Spam user-generated content and incorrect structured markup that does not correspond to the page content.

The presence of a single suspicious element does not yet confirm Manual Action. Checking a site for penalties requires a report in Search Console or further analysis if the penalty is algorithmic.

What should I do if my website has actually been penalized?

Once the issue has been confirmed, it's time to address the specific cause and the affected area of the site. Haphazardly reworking all text, mass link removal, or domain changes can create additional risks and complicate subsequent evaluation of the results.

The recovery plan depends on whether a message is found in Manual Actions. Manual actions require correcting the violation and re-verifying, while algorithmic impacts require the usual SEO audit and improvement of problematic pages.

If Manual Actions are detected

Correct the violation on all pages and templates where the same issue occurs. After implementation, conduct a control check of the site, links, or content to eliminate any remaining elements that could trigger the warning again.

Then submit a reconsideration request with a specific description of the work performed. The request should simply explain what was found, what changes were made, and how the cause was verified.

If there are no Manual Actions, but visibility has dropped sharply

Start by segmenting the decline by URL, query, and page type. Check indexing, technical changes, canonical, internal links, Google updates, link profile, and pages that took over the former positions.

After this, a correction plan is drawn up based on the confirmed causes. Submitting a reconsideration request in the absence of Manual Actions is not necessary, as the algorithmic reassessment occurs through other mechanisms.

When will the positions be restored?

There is no fixed recovery timeframe. After a simple technical error, pages are sometimes returned after a re-crawl, while a manual action requires reviewing the request, and a system-wide quality reassessment can take significantly longer.

The timeframe depends on the scale of the problem, the speed of fixes, the crawl frequency, and the state of competitors. Therefore, promising to restore a specific position by a specific date without further analysis would be unfounded.

How to avoid Google penalties?

The best way to reduce the risk of a serious drop is to regularly monitor changes. Many issues become apparent after a few weeks simply because no one checked indexing, canonicals, HTTP codes, or the state of key pages after the release.

For ongoing monitoring, it is useful to consolidate several actions:

• Regularly check Manual Actions, Security Issues, and noticeable Performance changes in Google Search Console.
• After technical releases, recheck robots.txt, noindex, canonical, sitemap.xml, and responses for important URLs.
• Monitor your link profile and avoid using schemes whose primary purpose is to artificially transfer link weight.
• Update pages where terms, prices, legislation, characteristics, or user search intent change.
• Check internal links after redesigns and do not leave priority URLs deep within the site structure.
• Control hacking, unknown pages, and malware with continuous technical monitoring.

Such checks don't guarantee stable rankings, as the search results themselves are constantly updated. They reduce the risk of technical and spam issues, which website owners can prevent themselves.

Panda, Penguin, HCU, and AGS: Which Names Are Relevant Today?

In older articles, Panda, Penguin, and Helpful Content are often described as separate filters with specific sets of characteristics. These names are useful for historical context, but when diagnosing modern Google, it's more accurate to work with current ranking systems, spam policies, and Search Console data.

The old algorithm name doesn't replace checking a site for filters. For each drop, you still need to determine the period, the affected URLs, and the actual change in search results.

Panda and Penguin

Panda was historically associated with content quality, and Penguin with manipulative external links. Now, when dealing with such issues, it's more prudent to analyze page quality, the extent of weak content, link schemes, and compliance with Google's current guidelines.

If link spam is suspected, it's important to look at the dynamics of donors and anchors. If large groups of weak pages have dropped, analyze their content and relevance to search intent.

Helpful Content

Signals related to content usefulness are taken into account within Google's broader ranking systems. Therefore, website owners don't have a separate, universal test to confirm whether a website is subject to HCU.

Practical diagnostics are based on URL and query groups. Pages that have lost visibility, current competitors, and changes in search results since the drop are compared.

What does the query “the site was hit by AGS” mean?

The phrase “the site was hit by AGS” refers to historical terminology used by Yandex, not Google. Therefore, “AGS” cannot be used as a name for Google's penalties or used to transfer the diagnostic methods for this filter to Search Console.

If you need to check your website for search engine filters, you should first identify the specific search engine. Google uses its own rules, Manual Actions, and ranking systems.

Checklist for checking a site for Google penalties

If rankings or organic traffic have changed dramatically, it's best to check against a fixed list. This way, it's easier to maintain consistency and avoid resorting to complex link analysis before underlying technical issues have been ruled out.

Use the following order:

1. Check Manual Actions in Google Search Console and save the current status of the section.
2. Check Security Issues and Safe Browsing if there are signs of hacking or malicious content.
3. Open Indexing and compare the number of indexed pages with the period before the drop.
4. Check key URLs through URL Inspection and the selected Google canonical.
5. Check robots.txt, meta robots, X-Robots-Tag and content availability for robots.
6. Check for HTTP codes, 404, 5xx, redirect chains and loops.
7. Compare Performance in Search Console across pages, queries, countries, and devices.
8. Check your organic traffic in GA4 and rule out errors in the analytics system itself.
9. Compare the date of the decline with official Google ranking system updates.
10. Check your link profile, link spam, PBN and commercial anchor distribution.
11. Compare pages that have lost positions with the current top ones by intent and content.
12. Make a correction plan only after confirming the most likely causes of the drop.

After such an audit, several working hypotheses with varying priorities typically emerge. Critical technical errors and confirmed violations are corrected first, then the content, internal structure, and external signals are addressed.

How long does it take to get out of Google sanctions?

There's no single deadline, as technical errors, manual actions, and algorithmic demotions are handled differently. After correction, a Manual Action requires a recheck, while URLs with technical issues require a recrawl and reindexing.

Algorithmic re-evaluation sometimes takes longer and depends on the scale of the changes made. It's impossible to promise a precise date for the restoration of previous positions without additional data.

Checking a website for sanctions should begin with verifiable data. Manual Actions, Security Issues, and indexing are checked first, followed by an analysis of Performance, technical settings, links, content, and search results changes.

If your rankings or organic traffic have dropped sharply, record the date of the drop and a list of URLs with the biggest losses. For a complete diagnosis, order an SEO audit from Seo-Gen: our specialists will check penalties, indexing, technical errors, your link profile, and the causes of the drop, then prepare a prioritized action plan.