Why is your site missing critical date information for search engines?

Your site has no date signals like publication dates or last modified timestamps. Search engines can't determine content freshness, which hurts rankings for time-sensitive queries. Add visible dates to pages and implement structured data markup.

What does it mean when your site has no H1 tag?

Your homepage is missing an H1 tag, which is the main heading that tells search engines what the page is about. This hurts SEO performance. Add a descriptive H1 tag that clearly explains your page's primary topic.

Why can't search engines find opening content on your site?

Your pages lack clear opening paragraphs that directly answer user queries. Search engines can't extract featured snippets or provide direct answers. Add introductory content that immediately addresses what visitors are looking for.

What is llms.txt and why does your site need one?

The llms.txt file helps AI chatbots understand your site's content and policies. Your site returns a 404 error when accessed. Create this file to improve how AI systems represent your brand and content.

How do freshness issues affect your site's search engine performance?

Without date signals, search engines assume your content is outdated or stale. This reduces visibility for current topics and time-sensitive searches. Add publication dates, last updated timestamps, and regular content updates to improve rankings.

‹ See all YC W26 audits

Visibl Semiconductors SEO & AI Visibility Audit

Visibl Semiconductors is an AI platform for chip design that automates semiconductor development workflows. It provides an orchestrator and documentation tools that help hardware teams accelerate chip design cycles and reduce engineering overhead.

visiblsemi.com

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

Audited March 07, 2026 · 11 pages analyzed

Overall Scores

Area	Score	Grade
SEO	75%	C
AEO (AI Visibility)	27%	F
E-E-A-T	44%	F
Combined	51%	—

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	73%	6 security headers missing, 1/4 contact signals found
Expertise	40%	35 words, 3 headings, 2 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	6%	No social proof signals detected, Freshness issues, Found 3 headings, 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: visiblsemi.com

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

Generate a robots.txt for visiblsemi.com

stobo my blog: visiblsemi.com/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 visiblsemi.com
```
No opening content found AEO
Add a direct answer in the first 40-60 words of the page. AI engines pull from the opening paragraph.
```
stobo this site: visiblsemi.com
```
llms.txt not found (HTTP 404) AEO
Create an llms.txt file so AI models can understand what visiblsemi.com does. Stobo generates one automatically.
```
Generate an llms.txt for visiblsemi.com
```

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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 is your site missing critical date information for search engines?: Your site has no date signals like publication dates or last modified timestamps. Search engines can't determine content freshness, which hurts rankings for time-sensitive queries. Add visible dates to pages and implement structured data markup.
What does it mean when your site has no H1 tag?: Your homepage is missing an H1 tag, which is the main heading that tells search engines what the page is about. This hurts SEO performance. Add a descriptive H1 tag that clearly explains your page's primary topic.
Why can't search engines find opening content on your site?: Your pages lack clear opening paragraphs that directly answer user queries. Search engines can't extract featured snippets or provide direct answers. Add introductory content that immediately addresses what visitors are looking for.
What is llms.txt and why does your site need one?: The llms.txt file helps AI chatbots understand your site's content and policies. Your site returns a 404 error when accessed. Create this file to improve how AI systems represent your brand and content.
How do freshness issues affect your site's search engine performance?: Without date signals, search engines assume your content is outdated or stale. This reduces visibility for current topics and time-sensitive searches. Add publication dates, last updated timestamps, and regular content updates to improve rankings.

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