Table of contents
- Methodology and Experimental Setup
- Initial Success and the Subsequent Crash
- The Verdict on Google’s Quality Evaluation
- Key Lessons for Sustainable SEO
AI articles can be created in an instant. But do they actually perform in Google Search? Search Engine Land, in collaboration with a research team from SE Ranking, investigated this question and has now published the results of a long-term experiment. Over the course of 16 months, they analyzed how Google handles purely AI-generated content. Do the algorithms detect AI content immediately, or can it generate significant traffic?
Methodology and Experimental Setup
To test this, researchers set up a total of 20 new domains across various niches, ranging from Business & Services to Food & Drink and Travel & Tourism. These websites—which had no prior search history, backlinks, domain authority, or brand awareness—were each populated with 100 "how-to" keywords and 100 exclusively AI-generated articles. After publication, the websites were added to Google Search Console and then left to perform on their own.
Initial Success and the Subsequent Crash
The first phase of the experiment was surprisingly positive: within the first 36 days, Google indexed over 70 percent of the AI pages. Collectively, they generated 122,000 impressions. Growth continued in the second and third months, with the articles reaching 526,000 impressions without any additional SEO measures. However, then came the turning point: visibility curves plummeted vertically almost everywhere between months 3 and 6. In the long-term view, visibility remained at rock bottom.
The Verdict on Google’s Quality Evaluation
Google appears to grant AI content an initial "leap of faith" but then ruthlessly filters it out as soon as user signals or deeper quality checks take effect. In the case of the 2,000 AI articles, many signals that Google uses to evaluate quality and trustworthiness were missing, Search Engine Land reports. Without authority, uniqueness, or supporting signals, the SEO visibility of the initial phase quickly collapses.
Key Lessons for Sustainable SEO
The central lesson from the 16-month test is clear: anyone hoping to generate easy traffic with mass-generated texts will be quickly penalized by Google’s quality standards. AI can be used as a tool for scaling, but it should never be the sole creator—even if initial impressions look promising. To achieve sustainable results and not only rank well but also appear as a source in AI Overviews, high-quality content that conveys human expertise and credibility remains essential.