Add SEO improvements

[PavelMakarchuk]

Summary

• Add meta description, theme-color, and apple-touch-icon for better search indexing and mobile UX
• Add Open Graph tags (og:type, og:title, og:description, og:url, og:image, og:site_name) for rich previews on Facebook, LinkedIn, etc.
• Add Twitter Card tags (summary card with title, description, and image)
• Add canonical URL (<link rel="canonical">) to prevent duplicate content issues
• Add JSON-LD structured data (WebApplication schema) for enhanced search result appearance
• Add robots.txt allowing all crawlers and pointing to sitemap
• Add sitemap.xml with the single-page app URL
• Move Google Fonts loading from CSS @import to <link> tags in HTML head with preconnect and preload hints for faster font loading
• Replace <div> with <main> for the primary content area (semantic HTML)
• Add <noscript> fallback with descriptive content for search engine crawlers that do not execute JavaScript
• Improve <title> tag to be more descriptive and include the brand name

🤖 Generated with Claude Code

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Project	Deployment	Actions	Updated (UTC)
cliff-watch	Ready	Preview, Comment	Apr 20, 2026 11:33pm