Google Search Results Still Rank Heavily AI-Flagged Pages

An AI-detector score tells you almost nothing about why a page ranks

New data published by Ahrefs on July 27, 2026, and reported by Search Engine Journal, checked roughly 150,000 pages pulled from the top 10 results of 100,000 Google searches in June 2026 (each page at least 350 words) against Ahrefs' own AI-text detector. The headline dataset totals 331,000 pages across several samples. More than half of top-three results, 54.7%, scored under 20% AI-flagged; pages under 50% took 82.2% of top-three spots; a full 5.3% of top-three pages scored 100%. A separate check of about 100,000 pages, one per domain, found indexing rates falling as detector scores rose. Average detector scores across the page climbed only from 27.1% at position 1 to 30.9% at position 10.

Does Google punish pages that read as AI-written?

Not much, and not consistently — heavily flagged pages rank at every position in the top 10, with average scores barely different top to bottom.

Pages scoring 80% or higher made up 8.4% of first-place results and 11.7% of tenth-place ones — more common lower down, but present at the very top too. That fits Google's stated position since 2023, that it rewards quality regardless of how a page was produced and treats automation aimed at gaming rankings as spam, not AI use itself. The gradient here is real but shallow enough that a detector score alone won't tell an SEO whether a specific page is in trouble.

Why are fewer heavily-flagged pages showing up in the index?

Indexing signals fall from 49.28% among lightly-flagged pages to 40.35% among the most AI-flagged — a real gap, but one the report's own authors call far from disqualifying.

Ahrefs can't check Google's index directly, so it used three proxies: whether a page ranked for any keyword, showed a Search Console impression since January 2026, or turned up in a site: search. Middle bands landed at 43.38% (20–50% AI-flagged) and 40.72% (50–80%). These are floors, not true indexing rates, and the gap between groups — not the absolute numbers — is what the data actually supports.

Should you trust a detector percentage as a ranking signal?

No — a detector score estimates how a page reads, not who wrote it, and Google's own ranking systems don't publish anything comparable to check it against.

Ahrefs is explicit that its tool "isn't perfect" and doesn't work the same way as anything Google might use internally. For buyers running detection or content-QA tools, the practical move is to stop asking vendors for an AI-percentage threshold to hit and start asking the older quality questions instead: is the page original, useful, and accurate. This site has already flagged that Search Console's own reporting for AI-driven traffic is inadequate — the same caution applies here to detector-based ranking claims.

Is this consistent with what Ahrefs found before?

Broadly yes — a 2025 Ahrefs run of 600,000 pages across the top 20 found a correlation of 0.011 between AI score and position, effectively zero.

The new study, on a smaller sample restricted to the top 10, finds a slightly clearer pattern than that near-zero 2025 result, but both point the same direction: AI-detector score is a weak, secondary signal at best, nowhere near a proxy for how Google actually ranks a page.

Frequently asked questions

What exactly was measured?

Ahrefs scored roughly 150,000 top-10 pages from 100,000 June 2026 searches with its own AI-text detector, plus a separate indexing check on about 100,000 pages, one per domain.

Does this mean publishing AI content at scale is safe?

No. The data shows correlation, not causation, and says nothing about the automation-for-gaming spam that Google has penalized on principle since 2023 regardless of any detector reading.

Is Ahrefs' detector the same as Google's own AI-detection systems?

No. It's a commercial tool sold through Site Audit and Site Explorer, and Ahrefs itself says it doesn't work the same way as anything Google might use.

Source: Search Engine Journal, "Google Search Results Still Rank Heavily AI-Flagged Pages".