Websites Using AI Content Grow 5% Faster [+ New Research Report]

Posted on June 17, 2025
Source: Content Marketing – SEO Blog by Ahrefs by Ryan Law. Read the original article

TL;DR Summary of How Generative AI is Transforming Content Marketing: Performance, Risks, and User Insights

Our survey of 879 marketers reveals that AI-generated content grows websites faster and is less impacted by Google updates than human content. While most believe human-written content is higher quality, AI content users rate their strategies similarly effective and see a modest advantage in organic traffic growth. Key concerns include accuracy, misinformation risks, and a slightly higher chance of manual Google penalties for AI users. Experts recommend combining AI efficiency with human expertise to maximize content quality and compliance.

Optimixed’s Overview: Exploring the Impact and Future of AI-Driven Content Marketing

Survey Insights on AI Content Performance

Analyzing responses from 879 marketers, the data shows websites using AI content experience a median annual traffic growth of 29.08%, compared to 24.21% for non-AI users, indicating a roughly 5% advantage. AI content is also 4% less likely to be negatively affected by Google algorithm updates, suggesting better resilience in search rankings.

Comparative Effectiveness and Quality Perceptions

  • Content strategy effectiveness scores are nearly identical: 6.4/10 for AI users and 6.3/10 for non-AI users.
  • 65% of respondents believe human-written content is better quality, while only 14% think AI content is superior.
  • Regarding search ranking, 34% say AI and human content rank about the same, 23% favor human content, and 11% favor AI content.

Expert Opinions on AI Content Use

Experts highlight that AI-generated content often lacks the depth and expertise of top human writers but can be more consistent and well-structured. Effective approaches combine AI tools as assistants rather than replacements, emphasizing human editing, creativity, and expert validation to maintain quality and originality.

Risks and Concerns Associated with AI Content

  • 60% of non-AI users cite “lack of accuracy” as a major barrier to adoption.
  • 62% identify misinformation as the greatest risk of AI-generated content.
  • AI content users report a slightly higher incidence of manual Google penalties (3.8%) compared to non-users (2.7%).
  • Concerns also include plagiarism, bias, user experience degradation, and reputational damage.

Recommendations for Leveraging AI in Content Marketing

To optimize results, marketers should use AI to accelerate content creation while integrating thorough human oversight. Tools like Ahrefs’ AI Content Helper enable blending AI efficiency with competitor insight and content scoring to produce high-quality, search-optimized material that aligns with Google’s evolving standards and user expectations.