Performance for AI Crawlers

AI crawlers have limited resources and time budgets. Fast, efficient pages are more likely to be fully indexed and cited.

Why Performance Matters

AI crawlers face constraints:

  • Time limits — May abandon slow pages
  • Resource budgets — Limited JavaScript execution
  • Crawl quotas — Faster sites get crawled more
  • Content prioritization — Quick access to main content

Key Metrics

MetricTargetWhy It Matters
Time to First Byte< 200msServer responsiveness
First Contentful Paint< 1.5sContent accessibility
Largest Contentful Paint< 2.5sMain content visibility
Total Blocking Time< 200msJavaScript execution

Optimization Strategies

1. Server-Side Rendering

Ensure content is in initial HTML:

// Next.js - SSR or SSG
export async function getStaticProps() {
  return {
    props: { content: await getContent() }
  }
}

2. Minimize JavaScript

AI crawlers may not execute all JavaScript:

  • Use SSR/SSG for content
  • Avoid JS-only navigation
  • Include meta tags in <head>

3. Optimize Images

<img 
  src="image.webp" 
  alt="Descriptive alt text"
  width="800" 
  height="600"
  loading="lazy"
>

4. Enable Caching

# .htaccess or server config
Cache-Control: public, max-age=31536000

Testing Tools

  • Google PageSpeed Insights — Performance metrics
  • WebPageTest — Detailed loading analysis
  • Lighthouse — Comprehensive audits

Best Practices

  1. SSR/SSG — Don't rely on client-side rendering
  2. Fast TTFB — Optimize server response time
  3. Minimal JS — Critical content without JavaScript
  4. Efficient assets — Optimized images, minimal CSS
  5. CDN — Fast global access

Next Steps

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