Guides and notes from the team behind SEO Rating.
# Your Store > What you sell, in one line. ## Collections - [Shirts](/collections/shirts)
A plain-language look at llms.txt, the file AI assistants can use to understand a website: what goes in it, whether your Shopify store needs one, and how to keep it current.
Read article →> best linen shirt under $80 search: 6 results fetch: northfield.com/products/… read: Product schema ✓ cite: northfield.com
What ChatGPT, Perplexity and Gemini look at when they recommend products, and the practical steps a Shopify store can take to be read and described accurately.
Oct 15, 2026 · 6 minUser-agent: * Disallow: /cart Disallow: /checkout Sitemap: /sitemap.xml
What Shopify’s default robots.txt rules do, when it’s worth changing them, and how to handle AI crawlers like GPTBot and OAI-SearchBot without hurting your search visibility.
Oct 6, 2026 · 5 minnorthfield.com › products Men’s Relaxed Linen Shirt | Northfield Lightweight 100% linen shirt with a relaxed fit. Free returns…
Length, structure and real examples for Shopify product and collection meta descriptions, plus how to handle title tags and write them at catalog scale.
Sep 22, 2026 · 4 min<img src="shirt.jpg" alt="Beige relaxed-fit linen shirt, laid flat">
A practical checklist for writing Shopify product image alt text that helps accessibility, image search and AI assistants: describe what’s in the image, not what you want to rank for.
Sep 10, 2026 · 4 min"@type": "Product", "brand": { … }, "offers": { "price": "68.00" }, "gtin": ? ← missing
What Product structured data your Shopify theme likely outputs, the fields most stores are missing (GTIN, brand, reviews, shipping, returns), and how to test your own pages.
Aug 27, 2026 · 8 min"LCP": "2.1 s" ✓ good "INP": "160 ms" ✓ good "CLS": "0.04" ✓ good "score": 92
How to read Google PageSpeed Insights for a Shopify store: field vs lab data, the Core Web Vitals thresholds that matter (LCP, INP, CLS), and the fixes worth making first.
Aug 13, 2026 · 6 min