Why can't search engines find date information on my site?

Your site has no date signals like published dates, last modified timestamps, or structured data markup. Search engines can't determine content freshness without these indicators. Add publication dates to articles and use proper date markup to help search engines understand when your content was created or updated.

What happens when my robots.txt file returns a 404 error?

Your robots.txt file is missing and returns a 404 error. This means search engines can't read your crawling instructions and may crawl pages you don't want indexed. Create a robots.txt file at your domain root with proper directives to guide search engine crawlers effectively.

Do I need an llms.txt file for AI crawlers?

Your site is missing an llms.txt file, which AI systems use to understand crawling permissions. Without this file, AI crawlers may not properly respect your content usage preferences. Create an llms.txt file to specify how AI systems should interact with your content.

How does missing content freshness affect my search rankings?

Your content lacks freshness signals, making it harder for search engines to assess relevance and quality. Fresh content typically ranks better for competitive queries. Add clear publication dates and update timestamps to show search engines your content is current and maintained.

Why are meta descriptions important for my search results?

Your pages are missing meta descriptions, so search engines create their own snippets from page content. Custom meta descriptions help you control how your pages appear in search results and can improve click-through rates by providing compelling preview text.

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Sigmanticai SEO & AI Visibility Audit

SigmanticAI is a hardware verification automation platform that generates UVM testbench components, coverage models, and stimulus from natural-language specifications and RTL context. It enables hardware engineers to produce verification artifacts in minutes instead of weeks, reducing boilerplate work and accelerating the path to meaningful test co…

sigmanticai.com

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

45%

Audited March 05, 2026 · 3 pages analyzed

Overall Scores

Area	Score	Grade
SEO	72%	C
AEO (AI Visibility)	18%	F
E-E-A-T	47%	F
Combined	45%	—

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	70%	Found, 6 security headers missing, 1/4 contact signals found
Expertise	53%	601 words, 24 headings, 0 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	24%	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: sigmanticai.com

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

Generate a robots.txt for sigmanticai.com

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

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Frequently asked questions

Why can't search engines find date information on my site?: Your site has no date signals like published dates, last modified timestamps, or structured data markup. Search engines can't determine content freshness without these indicators. Add publication dates to articles and use proper date markup to help search engines understand when your content was created or updated.
What happens when my robots.txt file returns a 404 error?: Your robots.txt file is missing and returns a 404 error. This means search engines can't read your crawling instructions and may crawl pages you don't want indexed. Create a robots.txt file at your domain root with proper directives to guide search engine crawlers effectively.
Do I need an llms.txt file for AI crawlers?: Your site is missing an llms.txt file, which AI systems use to understand crawling permissions. Without this file, AI crawlers may not properly respect your content usage preferences. Create an llms.txt file to specify how AI systems should interact with your content.
How does missing content freshness affect my search rankings?: Your content lacks freshness signals, making it harder for search engines to assess relevance and quality. Fresh content typically ranks better for competitive queries. Add clear publication dates and update timestamps to show search engines your content is current and maintained.
Why are meta descriptions important for my search results?: Your pages are missing meta descriptions, so search engines create their own snippets from page content. Custom meta descriptions help you control how your pages appear in search results and can improve click-through rates by providing compelling preview text.

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