Why is my site missing the llms.txt file and how does it affect SEO?

Your site returns a 404 error for llms.txt, which AI systems use to understand your content preferences. This file helps search engines and AI tools properly index and reference your content. Without it, you miss opportunities for AI-powered search features and proper content attribution.

What does it mean when your website has no date signals?

Your site lacks publication dates, last modified dates, or other temporal markers that search engines use to assess content freshness. This makes it difficult for search engines to determine when your content was created or updated. Fresh content signals help improve search rankings and user trust.

How does missing FAQ schema markup hurt your search visibility?

Your site lacks FAQPage structured data markup, which prevents your FAQ content from appearing in rich search results. This markup helps search engines understand and display your questions and answers directly in search results. Without it, you miss valuable featured snippet opportunities.

Why do you need Organization schema on your business website?

Your site is missing Organization JSON-LD markup, which tells search engines key business information like your name, logo, and contact details. This structured data improves how your brand appears in search results and knowledge panels. It also helps establish authority and trust signals.

What are the main risks of having critical freshness issues?

Critical freshness issues mean search engines can't determine when your content was created or updated. This hurts your rankings for time-sensitive queries and reduces user confidence in your content. Search engines favor sites that clearly show content recency and maintenance.

‹ See all Seedcamp 2023 audits

Prelude SEO & AI Visibility Audit

Prelude is an OTP and SMS verification API built for developers. It provides phone verification tools that help applications authenticate users, prevent fraud, and enable secure account access across multiple channels with reliable global delivery.

prelude.so

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

Audited March 06, 2026 · 4 pages analyzed

Overall Scores

Area	Score	Grade
SEO	77%	C
AEO (AI Visibility)	35%	F
E-E-A-T	58%	F
Combined	56%	—

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, 5 security headers missing
Expertise	100%	All checks passing
Authoritativeness	29%	No Organization JSON-LD schema found, No JSON-LD schema types detected, Found
Experience	17%	social_proof, 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: prelude.so

stobo this article: prelude.so/blog/my-article

Generate a robots.txt for prelude.so

stobo my blog: prelude.so/blog

Recommendations

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 prelude.so
```
llms.txt not found (HTTP 404) AEO
Create an llms.txt file so AI models can understand what prelude.so does. Stobo generates one automatically.
```
Generate an llms.txt for prelude.so
```
Freshness issues: no date signals found E-E-A-T

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Frequently asked questions

Why is my site missing the llms.txt file and how does it affect SEO?: Your site returns a 404 error for llms.txt, which AI systems use to understand your content preferences. This file helps search engines and AI tools properly index and reference your content. Without it, you miss opportunities for AI-powered search features and proper content attribution.
What does it mean when your website has no date signals?: Your site lacks publication dates, last modified dates, or other temporal markers that search engines use to assess content freshness. This makes it difficult for search engines to determine when your content was created or updated. Fresh content signals help improve search rankings and user trust.
How does missing FAQ schema markup hurt your search visibility?: Your site lacks FAQPage structured data markup, which prevents your FAQ content from appearing in rich search results. This markup helps search engines understand and display your questions and answers directly in search results. Without it, you miss valuable featured snippet opportunities.
Why do you need Organization schema on your business website?: Your site is missing Organization JSON-LD markup, which tells search engines key business information like your name, logo, and contact details. This structured data improves how your brand appears in search results and knowledge panels. It also helps establish authority and trust signals.
What are the main risks of having critical freshness issues?: Critical freshness issues mean search engines can't determine when your content was created or updated. This hurts your rankings for time-sensitive queries and reduces user confidence in your content. Search engines favor sites that clearly show content recency and maintenance.

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