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Cloudflare to block AI training bots from ad pages starting Sept 2026

By PulseAugur Editorial · [1 sources] ·

Cloudflare announced updated default settings for new domains, effective September 15, 2026. Bots categorized as 'Training' or 'Agent' will be blocked from accessing pages that display advertisements. The company will continue to allow search engine crawlers, but those that combine search and training functionalities will also be blocked. AI

IMPACT This policy change by Cloudflare could impact how AI models access data from websites displaying ads, potentially affecting training data collection.

RANK_REASON Policy change by a major infrastructure provider regarding bot traffic.

Read on Mastodon — fosstodon.org →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Cloudflare to block AI training bots from ad pages starting Sept 2026

How we ranked this

Signal score
0 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Tool
Policy change by a major infrastructure provider regarding bot traffic.
Source corroboration
Single-source cluster
Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
Topics
policy, product
Editorial topic classification. Feeds into how the story surfaces on /topic/<slug> hub pages and into the per-entity coverage mix.
AI-industry relevance
Standard
On-topic for AI-industry coverage; kept in the public index.
Story freshness
45 days old
Aged out of breaking-news scoring windows; ranking reflects the durable signal from the full source set.

Full methodology in our editorial standards.

COVERAGE [1]

  1. Mastodon — fosstodon.org TIER_1 English(EN) · [email protected] ·

    September 15, 2026, # Cloudflare will set updated defaults for new domains: # bots classified as # Training or # Agent will be # blocked on pages that display a

    September 15, 2026, # Cloudflare will set updated defaults for new domains: # bots classified as # Training or # Agent will be # blocked on pages that display ads, and Search will remain allowed. # Crawlers that combine Search&Training will also be blocked. # AI https:// develope…

    LINKS developers.cloudflare.com/…/block-ai-bots developers.cloudflare.com/bots

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