Why doesn't my site show any publication or update dates?

Your site lacks date signals that search engines and AI systems use to determine content freshness. Adding publication dates, last modified timestamps, or structured data markup helps search engines understand when your content was created or updated, improving your visibility in time-sensitive searches.

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

Your pages don't have clear introductory content that directly answers user queries. Search engines and AI systems look for opening paragraphs that immediately address the main topic. Adding concise, answer-focused introductions helps your content appear in featured snippets and AI responses.

Do I need an llms.txt file for my website?

Your site returns a 404 error for llms.txt, which AI systems use to understand your content preferences. While not mandatory, this file helps AI models better crawl and reference your content. Creating one can improve how AI systems interact with your site.

How do missing dates affect my search engine rankings?

Without date signals, search engines can't assess your content's freshness or relevance for time-sensitive queries. This particularly impacts news, updates, or trending topics where recency matters. Adding clear timestamps helps search engines properly categorize and rank your content based on freshness.

Why is having an H1 tag important for my pages?

Your pages are missing H1 tags, which tell search engines the main topic of each page. H1 tags are crucial for SEO structure and accessibility. They help search engines understand your content hierarchy and improve how your pages appear in search results.

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A0.dev SEO & AI Visibility Audit

a0.dev is a platform that automates mobile app development and deployment to the App Store and Google Play. It enables developers to ship applications with AI-assisted code generation, automated testing, and deployment workflows that reduce development time and manual configuration.

a0.dev

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

50%

Audited March 03, 2026 · 25 pages analyzed

Overall Scores

Area	Score	Grade
SEO	74%	C
AEO (AI Visibility)	27%	F
E-E-A-T	46%	F
Combined	50%	—

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	59%	No about/team page links detected, 4 security headers missing, No terms of service link detected, 1/4 contact signals found
Expertise	80%	All checks passing
Authoritativeness	20%	No Organization JSON-LD schema found, No JSON-LD schema types detected, No third-party review signals detected
Experience	6%	No social proof signals detected, Freshness issues, Found 44 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: a0.dev

stobo this article: a0.dev/blog/my-article

Generate a robots.txt for a0.dev

stobo my blog: a0.dev/blog

Recommendations

llms.txt not found (HTTP 404) AEO
Create an llms.txt file so AI models can understand what a0.dev does. Stobo generates one automatically.
```
Generate an llms.txt for a0.dev
```
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: a0.dev
```
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 a0.dev
```

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 doesn't my site show any publication or update dates?: Your site lacks date signals that search engines and AI systems use to determine content freshness. Adding publication dates, last modified timestamps, or structured data markup helps search engines understand when your content was created or updated, improving your visibility in time-sensitive searches.
What does it mean when my site has no opening content?: Your pages don't have clear introductory content that directly answers user queries. Search engines and AI systems look for opening paragraphs that immediately address the main topic. Adding concise, answer-focused introductions helps your content appear in featured snippets and AI responses.
Do I need an llms.txt file for my website?: Your site returns a 404 error for llms.txt, which AI systems use to understand your content preferences. While not mandatory, this file helps AI models better crawl and reference your content. Creating one can improve how AI systems interact with your site.
How do missing dates affect my search engine rankings?: Without date signals, search engines can't assess your content's freshness or relevance for time-sensitive queries. This particularly impacts news, updates, or trending topics where recency matters. Adding clear timestamps helps search engines properly categorize and rank your content based on freshness.
Why is having an H1 tag important for my pages?: Your pages are missing H1 tags, which tell search engines the main topic of each page. H1 tags are crucial for SEO structure and accessibility. They help search engines understand your content hierarchy and improve how your pages appear in search results.

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