Why can't search engines access my robots.txt file?

Your robots.txt file returns a 404 error, meaning it's missing or inaccessible. Search engines expect this file at your domain root to understand crawling permissions. Without it, they may crawl pages you don't want indexed or miss important content you do want crawled.

What does it mean when my site has no date signals?

Your pages lack publication or update dates that search engines use to determine content freshness. This hurts rankings since Google favors recent, updated content. Add visible dates to articles and use structured data markup to signal when content was published or modified.

Do I need an llms.txt file for AI search optimization?

Your site is missing an llms.txt file, which helps AI systems understand how to use your content. While not required, this file can improve how AI chatbots and search features present your information. It's becoming increasingly important for AI visibility.

How do missing dates hurt my content's search performance?

Content without clear publication dates appears stale to search engines and users. Google's algorithms favor fresh, recently updated content in rankings. Your pages need visible dates and proper markup to compete effectively in search results and establish content credibility.

Why should I add FAQ schema markup to my pages?

FAQ schema markup helps your content appear in rich snippets and voice search results. Without it, you're missing opportunities for featured snippets and enhanced visibility. Adding FAQPage structured data makes your Q&A content more discoverable and accessible to search engines.

‹ See all YC F25 audits

Lua Ai SEO & AI Visibility Audit

Lua AI is an agent operating system that enables teams to build and deploy production-ready AI agents without managing infrastructure. Developers write TypeScript code while non-technical users can create agents through a visual builder, with instant deployment to web, mobile, and messaging platforms that deliver business results in days.

heylua.ai

SEO + AEO + E-E-A-T combined

Audited March 06, 2026 · 5 pages analyzed

Overall Scores

Area	Score	Grade
SEO	77%	C
AEO (AI Visibility)	20%	F
E-E-A-T	55%	F
Combined	49%	—

Fastest way to fix your site is to use our Custom Connector for Claude Desktop, or other IDEs.

E-E-A-T Breakdown

Signal	Score	Issue
Trustworthiness	69%	Found, No contact transparency signals detected
Expertise	73%	All checks passing
Authoritativeness	34%	No Organization JSON-LD schema found, No JSON-LD schema types detected
Experience	26%	Found, Freshness issues, Hierarchy issues, Found

Stobo finds what's broken and generates the fixes

Claude Desktop MCP integration settings showing how to add a custom MCP server

Try these in Claude Desktop

stobo my site: heylua.ai

stobo this article: heylua.ai/blog/my-article

Generate a robots.txt for heylua.ai

stobo my blog: heylua.ai/blog

Recommendations

robots.txt not accessible (HTTP 404) AEO
Update robots.txt to allow AI crawlers like GPTBot and ClaudeBot. Stobo generates an AI-friendly version.
```
Generate a robots.txt for heylua.ai
```
llms.txt not found (HTTP 404) AEO
Create an llms.txt file so AI models can understand what heylua.ai does. Stobo generates one automatically.
```
Generate an llms.txt for heylua.ai
```
Freshness issues: no date signals found AEO
Add date markup (datePublished, dateModified) so AI engines know content is current. Stobo generates the JSON-LD.
```
Generate freshness code for heylua.ai
```

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We'll re-audit your site in 7 days and email you what changed. Free, automatic.

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Frequently asked questions

Why can't search engines access my robots.txt file?: Your robots.txt file returns a 404 error, meaning it's missing or inaccessible. Search engines expect this file at your domain root to understand crawling permissions. Without it, they may crawl pages you don't want indexed or miss important content you do want crawled.
What does it mean when my site has no date signals?: Your pages lack publication or update dates that search engines use to determine content freshness. This hurts rankings since Google favors recent, updated content. Add visible dates to articles and use structured data markup to signal when content was published or modified.
Do I need an llms.txt file for AI search optimization?: Your site is missing an llms.txt file, which helps AI systems understand how to use your content. While not required, this file can improve how AI chatbots and search features present your information. It's becoming increasingly important for AI visibility.
How do missing dates hurt my content's search performance?: Content without clear publication dates appears stale to search engines and users. Google's algorithms favor fresh, recently updated content in rankings. Your pages need visible dates and proper markup to compete effectively in search results and establish content credibility.
Why should I add FAQ schema markup to my pages?: FAQ schema markup helps your content appear in rich snippets and voice search results. Without it, you're missing opportunities for featured snippets and enhanced visibility. Adding FAQPage structured data makes your Q&A content more discoverable and accessible to search engines.

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