Over the past few years, Google has made numerous adjustments to its search engine, ranging from new SERP features and core updates to fundamental changes in how search engines process content. One rather technical, yet for the SEO industry, significant innovation is the discontinuation of the num=100 parameter, which was long used to control the number of search results displayed per page.

In this article, we explain exactly what this parameter was, why it is no longer supported, and what consequences this change has for SEO tools, their customers, and ultimately for website operators. We will show why this change shifts the focus toward Generative Engine Optimization (GEO) .

What was the num=100 parameter?

By default, Google displays ten organic results on a search results page. By adding ?num=100 to the end of a search URL, this number could be increased to up to 100 search results per page.

Example: https://www.google.com/search?q=seo+agentur&num=100

For regular users, this was a convenience feature that allowed for a quicker overview of the top 100 results. For SEO tools , however, the parameter had much greater significance: they used it to query keyword positions more efficiently and to retrieve complete ranking sets in a single request.

Since when has num=100 no longer been supported?

Google began phasing out the parameter in the summer of 2024. As of early 2025 at the latest, it is completely ineffective: Even if you append &num=100 to a search URL, Google now only displays the standard number of ten results per page.

For the entire SEO industry, this represents a profound change in technical data collection.

Consequences for SEO tools like Semrush, Ahrefs, and Sistrix

Rank tracking tools like SE Ranking, Semrush, Ahrefs, or Sistrix have relied on the num=100 parameter for years. Its removal fundamentally changes the technical foundation:

For large keyword sets in particular, this means a significant increase in workload for tool providers.

What can customers of these tools expect?

The consequences for users of SEO tools are immediately noticeable. Companies that closely monitor their online visibility will need to adjust their expectations:

• Slower data collection: Because tools now have to send more requests, the time it takes to get fresh rankings will increase.
• Potential price adjustments: Higher costs for providers could be passed on to customers in the medium term.
• Slight data discrepancies: Since queries are now more granular, there may be more technical glitches or minor fluctuations.

Important: The position of a keyword will still be tracked correctly – that does not change. Rankings remain a valid indicator, but should be viewed even more in conjunction with other metrics such as click-through rate, impressions, or conversions.

Implications for website operators and strategy

The removal of the parameter has no direct impact on the indexing of your website, as Google serves results page by page internally anyway. However, there are indirect consequences for monitoring and reporting:

• Increased focus on Google Search Console (GSC): Since SEO tools may show slight differences in their reporting, agencies and internal marketing teams will need to rely more heavily on alternative and primary data sources like GSC in the future.
• Strategic realignment: Simply monitoring keyword positions is no longer enough. Analyzing user behavior, click probabilities, and visibility indices is becoming much more important. This is precisely where the added value of an experienced SEO Agency.
  
• The Rise of Generative Engine Optimization (GEO): New areas of optimization, such as Generative Engine Optimization (GEO), are gaining significant importance. To remain visible in the new AI-driven search landscape, you should consider partnering with a professional GEO agency .

What does GEO (Generative Engine Optimization) mean in this context?

The removal of the num=100 parameter is part of a long series of measures by which Google is making classic, automated queries more difficult. At the same time, the focus of search is shifting increasingly from traditional ranking positions toward holistic user experiences and direct-answer capabilities, driven by AI Overviews and generative results.

Generative Engine Optimization (GEO) refers to the strategic adaptation of content to ensure optimal positioning within AI Overviews and generative search results from Google and other engines. The focus is on topical authority and creating content that provides AI models with precise, citable answers.

For businesses, this means:

1. Rankings remain important, but they are no longer the sole deciding factor.
   
2. Data quality in tools is becoming a strategic factor that must be carefully vetted.
   
3. New areas of optimization such as GEO are coming to the forefront. Anyone wanting to be prepared today should consider working with a specialized GEO agency like ZUMO SEO.
   

Conclusion and Takeaways

The removal of the num=100 parameter is a technical detail with major implications for the entire industry.

The 3 most important points for website operators:

1. Data collection is slowing down: Expect delays in the delivery of fresh keyword rankings in your reporting tools.
   
2. GSC becomes the primary focus: Rely primarily on Google Search Console data for performance measurement.
   
3. Strategy is everything: Reports and rankings should always be viewed in context, not in isolation. The focus is shifting toward user experience and GEO optimization.
   

Now is the perfect time to intensify your collaboration with a specialized SEO agency and take advantage of the opportunities offered by GEO optimization early on. Because one thing remains certain: the rules of the search engine game are changing – and those who want to remain successful must adapt.