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The Quiet Reshuffle: llms.txt, Gemini’s Lead, OpenAI’s Shopify Move & Threads Turns Two

According to a recent study, Google’s Gemini is gaining trust as a go-to LLM for PPC strategy, llms.txt is laying the groundwork for AI content visibility, and OpenAI just added Shopify as a product search partner as Threads marks two years with a momentum that’s hard to ignore.

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This week, the Growth Grind Newsletter, breaks down the quiet but significant shifts in AI models, SEO strategy and platform discovery.

In this edition:

  • Still think llms.txt is just meta keywords 2.0? Think again

  • Gemini isn’t just for AI experiments anymore, it’s earning its place in paid media strategy

  • OpenAI quietly added Shopify as a ChatGPT Search shopping partner

  • Meta’s X rival (Threads) just turned two.

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Llms.txt is Not To Be Ignored

With models like ChatGPT and Claude scraping content from across the web, publishers have began asking: How do I guide AI to the good stuff without giving up the whole site?

This is where llms.txt steps in.

Despite the lazy comparisons to dusty meta keywords, llms.txt is doing real work: pointing AI systems to your best content on your terms.

Features of llms.txt?

  • Not like meta keywords:
    Meta keywords were unverifiable fluff.

    Llms.txt points to real URLs with content that must stand on its own when LLMs arrive.

  • Acts like a treasure map 🗺️:
    Guides AI models to your best content at inference time (i.e., when they’re building answers not just crawling).

  • Offers real value to SEO:
    Early resistance is normal. But just like robots.txt and schema.org, llms.txt could become foundational in SEO for LLMs.

What to do:

  • ⚒Structure your best content for AI extraction by asking: Can an LLM quote this page without explanation?

  • ✍️ Create lightweight markdown versions of key pages.

  • 👀Implement llms.txt to showcase priority content

  • 🚫 Consider restricting AI crawlers to just these optimized files to save bandwidth while maintaining visibility.

llms.txt unlike the forgotten meta keywords is optional but necessary, especially in this wave of AI-generated summaries.

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Could Gemini Be The Go-To AI for PPC Strategies?

Ever wonder if that "perfect" ad strategy ChatGPT spits out is actually worth its weight in gold?

Susie Marino put it to the test, evaluating how accurately AI models answered 45 real PPC questions.

Here is the response breakdown:

  • Google AI Overviews: 26% incorrect responses

  • ChatGPT: 22% incorrect responses

  • Meta AI: 20% incorrect responses

  • Perplexity: 13% incorrect responses

  • Google Gemini: 6% incorrect responses (most accurate)

  • 20% overall error rate across the 5 AI tools which is a potential revenue loss.

🔍Insights from the data:

Meta AI defaults to Facebook Ads perspective even for Google Ads queries.

ChatGPT shows overly encouraging bias in performance feedback. And, it uniquely promotes itself as a Google Ads helper in responses.

Gemini provides most current and precise 2025 benchmark data with an understanding of CPC dynamics in recommendations.

Most tools refuse coding tasks citing complexity and misuse potential.

Keyword research fails across platforms (tools suggest broad/expensive terms instead of niche/cost-effective ones).

👉Takeaway:

The best AI is the one built for the platform you're using.

But even with smart prompts, nothing beats verifying against real-world benchmarks.

🛍️ ChatGPT Just Got a Shopify Upgrade, Quietly

OpenAI didn’t make a splashy announcement, but as of May 15, Shopify is now a data partner for ChatGPT’s shopping search.

Tucked inside a documentation update, this move follows their expanded shopping experience rollout on April 28.

🚨 What’s new:

  • ChatGPT Search now pulls results from Shopify, Bing, Amazon, and more.

  • Search queries now return products from diverse merchants like Shopify, Turbify, and others.

  • Shopping results appear as both standard listings and rich results with images, prices, and review stars.

🧠 Why This Matters:

  • This is OpenAI creeping into product search. Quiet, but strategic.

  • Merchants are ranked based on data received from providers like Bing and Shopify.

  • If you’re not on Shopify, you’re not out of the game.

    Non-Shopify ecommerce stores can apply for inclusion by ensuring they haven't opted out of OpenAI's web crawler, OAI-SearchBot.

Watercooler

Threads Celebrates Two Years with Simple Party Hat Feature

Threads marked its second anniversary since inception.

What Happened:

The app displayed pop-up notifications offering users a simple hat graphic that overlays profile images, regardless of head positioning in the photo.

⌛Two-Year Accomplishments:

  • ✔Reached 100 million sign-ups faster than any app in history

  • ✔Hit 100 million active users within months. It now boasts 350 million active users with accelerating growth

  • ✔Positioned as X's main competitor especially because of Meta’s updated approach to political content.

  • ✔Outpacing Bluesky in user engagement

  • ✔Focused on trending topics to create engagements

Threads' ability to preserve its collaborative culture at massive scale will be the ultimate measure of its long-term success.

💬 I’d love to hear from you.

Which of these stories resonated with your strategies more?

And if you found this helpful, forward it to a friend or team member who’s serious about growth. Let’s win together.

Until next time, have a good one!
The Growth Grind Team,
Part of Click Raven, Inc.