Utilities: 4 Tools Compared (2026)
Foundational AI-visibility tools — llms.txt generators, AI-crawl checks and structured-data validators
This curated list compares 4 utilities tools — including llms.txt Generator, AI Crawlability Check, Google Rich Results Test — by features, free plans, pricing and API support, so you can shortlist the right stack in minutes.
llms.txt Generator
Automatically scans your site structure and generates a spec-compliant llms.txt so AI crawlers understand your content better — a visibility foundation.
AI Crawlability Check
Checks whether your site is AI-crawler-friendly, including robots.txt config, content structure and load speed — key factors for AI crawling.
Google Rich Results Test
Validates whether your structured data (JSON-LD Schema) is correct — structured data is a key foundation for AI engines to understand content entities.
Frase.io
A content optimizer that analyzes frequent content patterns in AI search results to guide article structures and elements more likely to be cited by AI engines.