例如 Opera 是最先做 Web Database 的，那时候别人都做 Storage 。现在很多表单输入类型（如日期）都只有 Opera 做。感觉另外几家浏览器都做主流功能，所以功能覆盖重叠很大。 Opera 则专门做非主流功能。
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opera擅长引领潮流，创造领先功能。悲催的是，市场推广方面总是差强人意。另外难上手是很郁闷的。用opera上网浏览是很简单的，但是在细致的微调和设定上。小白用户就一头雾水了。谷歌浏览器之所以迅速的占领了可观的市场份额。其中简单易用和高速就是其最主要的特色。opera在产品设计和品牌理念上崇尚一种极端的极客精神。面对大众市场，其品牌和产品还有很长一段时间要走。因为大众需要的是市井化的神器，而不是传说中难于驾驭的梭鱼。 Opera在技术上其实经常有些蛋疼的。比如当初不支持XSLT，不支持function caller，不支持getter/setter……当然Opera也经常做一些别人都不做的牛逼特性。 总感觉opera的细节做的都不是很好， 虽然在浏览器技术上可以算一流 opera现在就变成了浏览器中的细分领域，专注于某些特别群体的需求。 感觉opera和国内的金山很像，产品很牛，在运营以及策略上会走弯路。到现在Opera的占有率还和刚发布的时候差不了多少吧？
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HTML5: The Building Blocks of the Modern Web (H5)Apr 21, 2025 am 12:05 AMHTML5 is the latest version of the Hypertext Markup Language, standardized by W3C. HTML5 introduces new semantic tags, multimedia support and form enhancements, improving web structure, user experience and SEO effects. HTML5 introduces new semantic tags, such as, ,, etc., to make the web page structure clearer and the SEO effect better. HTML5 supports multimedia elements and no third-party plug-ins are required, improving user experience and loading speed. HTML5 enhances form functions and introduces new input types such as, etc., which improves user experience and form verification efficiency.
H5 Code: Writing Clean and Efficient HTML5Apr 20, 2025 am 12:06 AMHow to write clean and efficient HTML5 code? The answer is to avoid common mistakes by semanticizing tags, structured code, performance optimization and avoiding common mistakes. 1. Use semantic tags such as, etc. to improve code readability and SEO effect. 2. Keep the code structured and readable, using appropriate indentation and comments. 3. Optimize performance by reducing unnecessary tags, using CDN and compressing code. 4. Avoid common mistakes, such as the tag not closed, and ensure the validity of the code.
H5: How It Enhances User Experience on the WebApr 19, 2025 am 12:08 AMH5 improves web user experience with multimedia support, offline storage and performance optimization. 1) Multimedia support: H5 and elements simplify development and improve user experience. 2) Offline storage: WebStorage and IndexedDB allow offline use to improve the experience. 3) Performance optimization: WebWorkers and elements optimize performance to reduce bandwidth consumption.
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