Performance & Analysis

Tools for analyzing performance, bundle sizes, and creating visual code representations.

7 tools available

Analyze website performance, accessibility, and SEO with Google Lighthouse audits.

Check npm package sizes before installation to optimize your bundle size.

Create beautiful, shareable code screenshots with customizable themes and styling.

Professional website crawler to find 404s, 5xx errors, duplicate content, missing meta descriptions, and technical SEO issues

Extract and analyze all URLs from sitemap.xml files to audit your website structure and discover all indexed pages

Check HTTP status codes of URLs to verify accessibility, response times, and redirects. Test single or multiple URLs at once.

Verify backlinks pointing to your website and analyze their quality, anchor text, and link type (dofollow/nofollow).