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Google's March 2026 core update just hit, and it's one of the most volatile updates in recent memory. But if you've been paying attention to how AI engines choose sources, the signals Google is rewarding shouldn't surprise you.

Cassie also digs into a Search Engine Land piece that challenges one of the most popular narratives in GEO right now: that brands need a Reddit and Wikipedia strategy to earn AI citations. The data tells a very different story—and it reinforces why authority means consistency in your category, not virality on someone else's platform. The episode wraps with a preview of Google Cloud Next (April 22–24) and what marketers should be watching for as AI Mode in Search continues to expand.

In This Episode:

• Why the March 2026 core update is the most volatile since August 2024, with Semrush Sensor hitting 9.5/10 and over 55% of tracked sites showing significant movement
• How Google's spam update and core update worked as a one-two punch—clearing bad actors first, then recalibrating quality signals
• The pattern behind who's losing: generic content, mass-produced AI content without unique value, and the "publish for every keyword" playbook that's now collapsing
• Why Experience and Authoritativeness—the signals Google just tightened—map directly to how AI engines decide who gets cited
• How the FSA Framework explains why some brands are insulated from core update volatility and others aren't
• New data showing 80% of Reddit threads cited by AI have fewer than 20 upvotes, with an average post age of roughly 900 days, proving that Reddit virality is not an AI visibility strategy
• Why your website is still your most powerful asset for AI visibility, and why manufactured presence on third-party platforms is the wrong play for most brands
• What to watch for at Google Cloud Next: Gemini API updates, AI Mode in Search expansion, and the rise of agentic AI systems

Resources:

What is the FSA Framework?

Let’s connect:

LinkedIn → Cassie Clark | Fractional Content Strategist
Website → https://cassieclarkmarketing.com

Download Freshness, Structure, Authority: The Framework for AI Search Visibility:

Amazon

P.S. Is your brand losing its "Answer Authority"?

Most series A/B and enterprise brands are being "nudged" out of AI search results because of entity gaps and "stale" content. I am opening a limited number of specialized audit slots to help you reclaim your Share of Voice using the FSA Framework (Freshness, Structure, Authority).

Request your 7-Day AI Search Visibility Audit: https://cassieclarkmarketing.com/ai-search-visibility-audit/