Observed Signal · Mar 26, 2026 · Report · Source: CNBC Technology · Impact: 4/5 · Sentiment: Negative
AI and Bots Surpass Human Internet Traffic
Human Security's State of AI Traffic report finds that automated internet traffic produced by software systems and AI now eclipses human-generated traffic. The firm reports automated traffic rose 187% from January to December 2025 and grew almost eight times faster than human activity that year; agentic AI activity (autonomous agents performing actions) jumped ~8,000% in 2025. Human Security based its findings on data from its Human Defense Platform, which processed over one quadrillion interactions across customers. The report cites large language models and chatbots — including OpenAI’s ChatGPT, Anthropic’s Claude and Google’s Gemini — as key drivers, but notes measurement challenges (no single, complete interaction database and noisy user-agent strings). Cloudflare’s CEO has separately predicted AI bots could exceed human traffic by 2027.
A major independent benchmark showing automated/AI-driven traffic is overtaking human traffic has broad implications for ad measurement, fraud detection, publisher revenue, campaign targeting, and the design of identity and inventory quality controls across the advertising ecosystem.
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Key Takeaways & Evidence Grounding
- Human Security published the State of AI Traffic report analyzing automated vs. human internet traffic.
- Automated traffic increased 187% from January to December 2025 according to Human Security.
- Automated traffic grew almost eight times faster than human activity in 2025.
- Agentic AI activity expanded roughly 8,000% in 2025.
- Human Security said its Human Defense Platform processed over one quadrillion interactions across customers.
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Related Market Signals & Shifts
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Bots Now Exceed Human Web Traffic
Cloudflare data shows that for the first time automated systems accounted for the majority of web traffic: roughly 57% of website accesses in the past seven days were from bots. The category includes search-engine crawlers, scrapers, malicious bots and an increasing share of AI agents that query, summarise or prepare transactions. Cloudflare CEO Matthew Prince had expected the tipping point in 2027 but says growth from AI systems accelerated the shift. The development forces companies to run websites that serve both humans and machines, separate and manage different bot types, provide machine-readable data structures and explicit bot interfaces, and rethink defenses (CAPTCHAs, browser checks) that can block legitimate AI agents. Lack of unified technical standards complicates detection, authorization and possible monetization or limitation of machine traffic.
AI Bots to Outnumber Humans Online by 2027
Cloudflare CEO Matthew Prince said at SXSW that growth in generative AI and AI agents will drive bot traffic to surpass human web traffic by 2027. He attributed the rise to LLM-driven agents that visit vastly more sites to answer user queries, increasing load on web infrastructure. Prince urged development of new infrastructure patterns such as ephemeral sandboxes for AI agents and noted the need for additional data-center and server capacity. Cloudflare — which serves roughly one-fifth of websites — offers CDN, security/DDoS protections and tools to block unwanted AI bot traffic.
Bots Now Outnumber Humans Online
Cloudflare CEO Matthew Prince announced that automated bots now generate a majority of web traffic: Cloudflare Radar reports 57.5% of HTTP requests to HTML content are from machines versus 42.5% from humans. The newsletter attributes the surge to rapid growth in agentic AI, which massively multiplies site visits compared with human users. The shift threatens advertising economics that price inventory on human attention. The issue note also summarizes related industry developments: OpenAI’s Sam Altman floated giving the public a 50% stake ahead of an IPO, New York passed a one-year moratorium on approvals for large data centers (20 MW+), and SpaceX signed multi-year compute capacity deals with Google (reported $920M/month) and Anthropic, together representing tens of billions in capacity agreements.
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