Google Just Declared War on AI Slop

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If you've been generating content with AI, Google's December 2025 Core Update just changed the rules.

The Numbers

• 87% negative impact on mass-produced AI content

• EEAT now mandatory for all competitive queries

• Author credentials are "essentially mandatory"

What Changed

Google isn't penalizing AI content. They're penalizing lazy AI content.

Content without verifiable author expertise, original insights, or human editorial oversight is getting crushed.

The Technical Playbook

1. EEAT Signals Every piece needs a credible author with Schema.org Person markup linking to LinkedIn and GitHub.

2. LLM Accessibility Structure content for AI parsing: Schema.org markup, clear heading hierarchy, answer-first formatting.

3. Topical Authority Go deep, not wide. Google rewards expertise clusters over scattered keyword grabs.

The M&A Signal

Bottom Line

Human expert + AI still wins. Quality over quantity. The hype is over. The work begins.

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From Issue #6 of Offbeat AI Watch—fortnightly AI intelligence for B2B leaders.
slug: google-december-2025-update-ai-content
canonical: https://shashwatgtm.github.io/ai-trendwatch/issues/2026-01-07.html
tags: ai, seo, google, webdev