Why doesn't my site show when content was published or updated?

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

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

Your llms.txt file is missing, returning a 404 error when AI systems try to access it. This file helps AI crawlers understand how to interact with your content. Without it, you miss opportunities for better AI-powered search visibility and citations.

How does a missing robots.txt file affect my site's SEO performance?

Your robots.txt file is inaccessible, which creates uncertainty for search engine crawlers about which pages to index. While not having one won't directly hurt rankings, it prevents you from properly directing crawler behavior and protecting sensitive areas of your site.

Why do search engines care about when my content was created?

Search engines prioritize fresh, up-to-date content for many queries, especially in rapidly evolving fields like AI and technology. Without clear date signals, your content may be perceived as stale even if it's current, potentially hurting your search rankings and click-through rates.

How long should my page openings be for better search visibility?

Your page openings are too brief at just 15 words, which doesn't provide enough context for search engines or users. Aim for 50-150 words in your opening paragraphs to better establish topic relevance and improve your chances of ranking for target keywords.

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Synthetic Sciences SEO & AI Visibility Audit

Synthetic Sciences is an AI research platform that orchestrates multi-agent workflows for scientific execution. It enables researchers to delegate literature reviews, fine-tune models on cloud GPUs, design experiments, and generate publication-ready output across biology, research, and machine learning tasks.

syntheticsciences.ai

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

Audited March 07, 2026 · 1 pages analyzed

Overall Scores

Area	Score	Grade
SEO	78%	C
AEO (AI Visibility)	5%	F
E-E-A-T	58%	F
Combined	42%	—

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	79%	6 security headers missing
Expertise	87%	All checks passing
Authoritativeness	20%	No Organization JSON-LD schema found, No JSON-LD schema types detected, No third-party review or trust signals detected
Experience	34%	Found, Freshness 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: syntheticsciences.ai

stobo this article: syntheticsciences.ai/blog/my-article

Generate a robots.txt for syntheticsciences.ai

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

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Frequently asked questions

Why doesn't my site show when content was published or updated?: Your site lacks date signals that search engines use to determine content freshness. Adding publication dates, last modified timestamps, and structured data helps search engines understand when your content was created or updated, improving your rankings for time-sensitive queries.
What happens when my llms.txt file returns a 404 error?: Your llms.txt file is missing, returning a 404 error when AI systems try to access it. This file helps AI crawlers understand how to interact with your content. Without it, you miss opportunities for better AI-powered search visibility and citations.
How does a missing robots.txt file affect my site's SEO performance?: Your robots.txt file is inaccessible, which creates uncertainty for search engine crawlers about which pages to index. While not having one won't directly hurt rankings, it prevents you from properly directing crawler behavior and protecting sensitive areas of your site.
Why do search engines care about when my content was created?: Search engines prioritize fresh, up-to-date content for many queries, especially in rapidly evolving fields like AI and technology. Without clear date signals, your content may be perceived as stale even if it's current, potentially hurting your search rankings and click-through rates.
How long should my page openings be for better search visibility?: Your page openings are too brief at just 15 words, which doesn't provide enough context for search engines or users. Aim for 50-150 words in your opening paragraphs to better establish topic relevance and improve your chances of ranking for target keywords.

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