Check your website's technical SEO health across five critical dimensions: security, crawlability, indexability, SSR performance, and mobile friendliness — no account needed.
Free · No account needed · 3 checks per day
AI crawlers behave differently from traditional search bots. They may not execute JavaScript, they check security headers more strictly, and they rely heavily on robots.txt and sitemaps. A technically sound site is the foundation of AI visibility.
Our technical SEO checker evaluates your site's foundation and provides clear, actionable fixes for each category.
Security
HSTS, CSP, X-Frame-Options, and 3 more headers
Crawlability
robots.txt, sitemaps, llms.txt, internal links
Indexability
Status codes, canonical, meta robots, title/meta
SSR & Performance
Server-side rendering, page errors
Mobile Friendliness
Viewport meta tag, responsive design
Technical SEO ensures search engines and AI crawlers can access, understand, and index your content efficiently. For AI visibility, technical factors like crawler access, server-side rendering, and security headers directly impact whether GPTBot, ClaudeBot, and others can reach your content.
Security headers like HSTS and CSP tell AI crawlers that your site is trustworthy. AI systems may deprioritize or skip sites with missing security headers, as they prefer to cite content from secure, authoritative sources.
SSR means your page content is rendered on the server before being sent to the browser. AI crawlers may not execute JavaScript, so if your content requires JavaScript to render, AI bots may see an empty page instead of your actual content.
Internal links help AI crawlers discover and navigate your site. Pages with few internal links may be harder for crawlers to find. Aim for at least 5-10 internal links per page to ensure good crawlability.
Crawlability is whether AI bots can reach your content. Indexability is whether they can understand and include it in their knowledge base. You need both — a page can be crawlable but blocked by noindex tags or missing canonical URLs.
