{"url":"https://example.com/","score":73,"grade":"C","summary":{"passed":11,"warnings":7,"failed":2,"total":20},"checks":[{"id":"title","status":"pass","message":"Title is good (14 chars)","detail":"Example Domain"},{"id":"meta-description","status":"fail","message":"Missing meta description","detail":"Add a compelling meta description (120-160 characters)."},{"id":"h1","status":"pass","message":"Single H1 tag found","detail":"Example Domain"},{"id":"heading-hierarchy","status":"pass","message":"Heading hierarchy is correct","detail":"1 headings in proper order."},{"id":"open-graph","status":"fail","message":"No Open Graph tags found","detail":"Add og:title, og:description, and og:image for social sharing."},{"id":"twitter-card","status":"warn","message":"Missing Twitter Card meta tag","detail":"Add <meta name=\"twitter:card\" content=\"summary_large_image\"> for rich Twitter previews."},{"id":"canonical","status":"warn","message":"Missing canonical URL","detail":"Add a canonical link to prevent duplicate content issues."},{"id":"viewport","status":"pass","message":"Mobile viewport configured","detail":"width=device-width, initial-scale=1"},{"id":"image-alt","status":"pass","message":"No images found to check","detail":"N/A"},{"id":"lang","status":"pass","message":"Language attribute set: en","detail":"Helps search engines serve the right audience."},{"id":"structured-data","status":"warn","message":"No structured data found","detail":"Add JSON-LD structured data for rich search results."},{"id":"robots","status":"pass","message":"No robots restriction (indexable by default)","detail":"Search engines will index this page."},{"id":"https","status":"pass","message":"HTTPS enabled","detail":"Site is served over a secure connection."},{"id":"internal-links","status":"warn","message":"No internal links found","detail":"Add internal links to help search engines crawl your site."},{"id":"content-length","status":"warn","message":"Thin content (17 words)","detail":"Pages with under 300 words may struggle to rank. Add more substantive content."},{"id":"favicon","status":"warn","message":"No favicon found","detail":"Add a favicon for brand recognition in browser tabs and bookmarks."},{"id":"charset","status":"warn","message":"No character encoding declared","detail":"Add <meta charset=\"UTF-8\"> as the first element in <head>."},{"id":"content-type","status":"pass","message":"Correct Content-Type header","detail":"text/html"},{"id":"render-blocking","status":"pass","message":"No render-blocking resources detected","detail":"Page should load fast."},{"id":"deprecated-html","status":"pass","message":"No deprecated HTML elements","detail":"Clean, modern markup."}],"meta":{"scanDuration":"139ms","timestamp":"2026-06-04T11:42:31.124Z"}}