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Flutter Web

⬢ 層級 2技術
高
薪資影響
2 個月
學習時長
困難
難度
1
職業
一覽

Flutter Web compiles Dart to JavaScript, letting you ship the same app to iOS, Android, and web browsers. Google, Google Ads, and Alibaba use Flutter Web in production. Learning the differences between Flutter Mobile and Flutter Web takes 4-6 weeks if you know Flutter. Main challenges: web semantics differ from mobile (links vs navigation, SEO, keyboard shortcuts). Professionals earn 85-100k USD junior, 160-190k senior. The scarcity: Flutter Web adoption is low (5% of Flutter projects); most teams still use React/Vue. Early movers gain competitive advantage.

什麼是 Flutter Web

Flutter Web extends the Flutter framework to build web applications. You write the same Dart/Flutter code and compile it to JavaScript, running in browsers. Google, Google Ads, and Alibaba run Flutter Web in production. It enables code sharing: ship the same app to iOS, Android, and web from one codebase. Flutter Web renders via HTML/CSS or CanvasKit (GPU-accelerated). HTML mode is smaller and more compatible; CanvasKit is faster but larger (~10MB). Most apps use HTML mode for production.

🔧 工具與生態
Flutter frameworkDart languageFlutter Web SDKBrowser DevTools (Chrome, Firefox)Responsive design patternsFlutter Web URL routingFlutter Web platform channelsBrowser APIs (localStorage, fetch)Responsive breakpointsFlutter Web performance profiling

💰 各地區薪資

地區初級中級高級
USA$87,000$150,000$220,000
UK£53,000£92,000£140,000
EU€57,000€98,000€150,000
CANADACA$85,000CA$145,000CA$215,000

🎯 使用 Flutter Web 的職業

Mobile Developer

❓ 常見問題

Should you use Flutter Web or React for a new web app?
React if you need SEO and fine-grained browser control. Flutter Web if you want code sharing across mobile/web or a fast internal tool. Flutter Web isn't best-in-class for every use case; it's a tradeoff.
How much faster is a Flutter Web app than a React app?
Performance is comparable for simple apps. Complex animations favor Flutter (GPU-accelerated). Complex data grids favor React (virtualization). For most business apps, the difference is negligible. Developer productivity matters more.
Can you use Flutter Web for SEO-critical sites?
Not recommended. Flutter Web renders on the client (JavaScript). SEO crawlers struggle. Use Next.js or similar for SEO-critical pages. Flutter Web is better for authenticated dashboards and tools.
How do you handle responsive design in Flutter Web?
Use MediaQuery.of(context).size to detect viewport size. Rebuild UI based on breakpoints (mobile < 600, tablet < 1200, desktop >= 1200). Flutter's layout system handles responsive design well, no CSS media queries needed.
Can Flutter Web apps run offline?
Yes, using service workers and local storage. Cache assets and data locally. Apps can work offline until network returns. This is powerful for internal tools but requires careful state sync.

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