Why can't AI crawlers find my site's llms.txt file?

Your site returns a 404 error when AI crawlers look for the llms.txt file. This file helps AI systems understand how to use your content appropriately. You need to create and upload an llms.txt file to your root directory to resolve this issue.

What does it mean when your site has no opening content?

Your site lacks clear introductory content that search engines can use for direct answers. This makes it harder for AI systems to understand what your pages are about. Add concise opening paragraphs that summarize your main topics.

Why is your robots.txt file returning a 404 error?

Your robots.txt file isn't accessible, which means AI crawlers can't read your crawling instructions. This creates uncertainty about which parts of your site should be indexed. Upload a properly formatted robots.txt file to your root directory.

How do missing date signals affect your site's search performance?

Your site lacks publication dates, making it impossible for search engines to determine content freshness. This hurts rankings for time-sensitive queries. Add clear publication or last-modified dates to all your content pages.

What happens when search engines can't determine your content's age?

Search engines can't assess how current your information is without date signals. This impacts your visibility for topics where freshness matters. Include visible publication dates and update timestamps on all your content to improve search performance.

‹ return Home

Tensr SEO & AI Visibility Audit

tensr.com

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

32%

Audited March 06, 2026 · 1 pages analyzed

Overall Scores

Area	Score	Grade
SEO	58%	C
AEO (AI Visibility)	7%	F
E-E-A-T	27%	F
Combined	32%	—

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	40%	No about/team page, social profiles, or LinkedIn links detected, No privacy policy link detected, 4 security headers missing, No terms of service link detected, No contact transparency signals detected
Expertise	27%	43 words, 0 headings, 1 outbound links
Authoritativeness	20%	No Organization JSON-LD schema found, No JSON-LD schema types detected, No third-party review or trust signals detected
Experience	0%	No social proof signals detected, Freshness issues, No headings found on page, No first-hand experience signals detected

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: tensr.com

stobo this article: tensr.com/blog/my-article

Generate a robots.txt for tensr.com

stobo my blog: tensr.com/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 tensr.com
```
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 tensr.com
```
llms.txt not found (HTTP 404) AEO
Create an llms.txt file so AI models can understand what tensr.com does. Stobo generates one automatically.
```
Generate an llms.txt for tensr.com
```

Track your score over time

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

Embed your audit badge

Show your score on your README or website.

Markdown

HTML

Frequently asked questions

Why can't AI crawlers find my site's llms.txt file?: Your site returns a 404 error when AI crawlers look for the llms.txt file. This file helps AI systems understand how to use your content appropriately. You need to create and upload an llms.txt file to your root directory to resolve this issue.
What does it mean when your site has no opening content?: Your site lacks clear introductory content that search engines can use for direct answers. This makes it harder for AI systems to understand what your pages are about. Add concise opening paragraphs that summarize your main topics.
Why is your robots.txt file returning a 404 error?: Your robots.txt file isn't accessible, which means AI crawlers can't read your crawling instructions. This creates uncertainty about which parts of your site should be indexed. Upload a properly formatted robots.txt file to your root directory.
How do missing date signals affect your site's search performance?: Your site lacks publication dates, making it impossible for search engines to determine content freshness. This hurts rankings for time-sensitive queries. Add clear publication or last-modified dates to all your content pages.
What happens when search engines can't determine your content's age?: Search engines can't assess how current your information is without date signals. This impacts your visibility for topics where freshness matters. Include visible publication dates and update timestamps on all your content to improve search performance.

Audit a competitor