Understanding LLM Readability Scores

We've optimized for human readability for years. Now, we must also optimize for LLM readability. An "LLM Readability Score" measures how easily a Large Language Model can ingest and understand your website's content.

Technical Factors

**Clean HTML:** Excessive div nesting and complex DOM structures confuse scrapers. Semantic HTML (<article>, <section>, <header>) provides critical context.

**Token Efficiency:** LLMs have context windows. Concise, high-density content is more likely to be fully processed and retained than fluffy, verbose pages.

The Role of llms.txt

A new standard, `llms.txt`, is emerging. This file sits at the root of your domain (like robots.txt) and provides a markdown-formatted summary of your site specifically for AI agents.