What is llms.txt and why does it matter in 2026?

llms.txt is a proposed standard for telling AI crawlers (ChatGPT, Claude, Perplexity, Gemini) what your site is about and which pages they should treat as canonical sources. As AI-assisted answer engines route more shopping queries, having a clean llms.txt — alongside structured data and IndexNow push — directly affects whether your products surface in AI-generated answers.

Do I still need traditional SEO if I install Index AI?

Yes — and Index AI does not pretend otherwise. Classic SEO (title tags, meta descriptions, internal linking, page speed) still earns Google blue links and image search. Index AI sits on top, focused on the AI-search execution layer (llms.txt, Schema, IndexNow, AI Readiness Score). The two stacks complement each other.

What does IndexNow actually do?

IndexNow is a push protocol — when a URL changes on your store, Index AI pings the IndexNow endpoint and supported engines (Bing, Yandex, others) pick the change up in minutes rather than weeks. Google does not yet consume IndexNow directly, but AI-answer engines drawing on Bing-aligned indices benefit indirectly.

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Integration

Index AI + Avada SEO.
How they compose, where each earns its place.

Two Shopify apps doing different jobs cleanly. Index AI the ai-search execution layer for shopify: llms.txt + schema + indexnow + ai readiness score. Avada SEO broad shopify seo suite — alt text, image compression, meta tags, broken-link checker, json-ld basics. Here's how they compose without conflicting, and where the integration genuinely earns the install.

Install Index AI See Index AI

Our app

Index AI

by BrandUp Factory

The AI-search execution layer for Shopify: llms.txt + Schema + IndexNow + AI Readiness Score.

Avada SEO

Classic SEO · by Avada

Broad Shopify SEO suite — alt text, image compression, meta tags, broken-link checker, JSON-LD basics.

The widest classic-SEO feature surface in one app — combines alt-text automation with image compression and broken-link monitoring.

The integration angle

How Index AI + Avada SEO compose.

Avada SEO is a Swiss-army-knife classic-SEO toolkit; Index AI is the AI-search execution layer. They cover different SEO eras. Avada SEO handles image compression, alt text, broken links, and basic Schema — all useful for the Google blue-link surface. Index AI handles llms.txt, the complete Schema.org Product suite, IndexNow push, and the AI Readiness Score — for the AI-answer channel. Serious Shopify stores in 2026 should run both; the stacks complement, they don't compete.

Concrete use cases

What this looks like in production.

Specific patterns where Index AI + Avada SEO compose into something neither tool could deliver on its own.

Avada for image-weight + alt-text automation

Avada compresses images and writes alt text at scale, freeing budget for the AI-search investments.

Index AI for the AI-search execution layer

llms.txt + complete Schema suite + IndexNow — the layer Avada doesn't cover.

Combined: faster + AI-visible

Avada keeps the storefront fast; Index AI ensures AI engines can read it cleanly.

Setup checklist

Get it running.

1
Install Avada SEO + Index AI.
2
In Avada, enable image compression + alt-text generation.
3
In Index AI, complete the AI Readiness Score setup.
4
Verify: Avada's basic Schema doesn't duplicate Index AI's complete Schema suite (both write Product schema — confirm only one source per page).

FAQ

About Index AI.

Going deeper

More on Index AI.

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Compose Index AI with your stack.

Free to install. Works alongside Avada SEO — no conflicts, clean division of responsibility.

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Index AI + Avada SEO.How they compose, where each earns its place.