CSS is a style sheet language used to beautify HTML pages. However, before we can apply CSS to a web page, we need to tell the web page where to find the corresponding style sheet. Let’s discuss where CSS should be most appropriately placed.
- Put CSS in a separate file
The best way is to put the CSS code in a separate file. There are many benefits to doing this, including better maintainability, faster page loads, and better scalability. By separating CSS files from HTML files, we can make CSS processing faster and ensure that these stylesheets can be used on a number of different web pages without having to spend a lot of time rewriting stylesheet code.
- CSS should be placed inside the
It is a good practice to place CSS inside the
element. When a browser encounters an HTML document, it will first parse the head portion of the document, which includes elements such as and
. This process usually occurs before the page is displayed. </p>
<ol start="3"><li>You can place CSS at the end of <body></li></ol>
<p>It is also a common practice to place CSS files at the end of the <body> tag. This approach ensures that the HTML content is displayed before the CSS file is loaded. Since the CSS file is the last file loaded in this case, this approach can reduce page load time. </p>
<ol start="4"><li>Link to external CSS files</li></ol>
<p>Another benefit of placing the CSS file outside the HTML file is that it can be shared with other web pages. We can use link tags to link external CSS files into HTML documents, allowing HTML pages to reuse the same stylesheet. </p>
<ol start="5"><li>Placing CSS code in <style> tags</li></ol>
<p>It is also common practice to embed CSS code in <style> tags. This approach is ideal for small websites or single-page applications. The <style> tag should be placed within the <head> so that styles are loaded as early as possible. </p>
<p>To sum up, we can put the CSS in a separate file and link it to the HTML page through the link tag. At the same time, we can place the CSS in the <head> tag at the head of the HTML, or at the bottom of the <body> tag. If you're creating a small website or single-page application, embedding CSS code in the <style> tag is also a viable option. Whichever method you choose, you should make sure your code is clear, understandable, and easy to maintain. </p><p>The above is the detailed content of Where to put css. For more information, please follow other related articles on the PHP Chinese website!</p>
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src="/static/imghw/default1.png" class="lazy" data-src="https://img.php.cn/upload/article/001/253/068/174412870283361.jpg?x-oss-process=image/resize,m_fill,h_207,w_330" alt="React's Role in HTML: Enhancing User Experience" />
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<a href="https://www.php.cn/faq/1796793128.html" title="React's Role in HTML: Enhancing User Experience" class="phphistorical_Version2_mids_title">React's Role in HTML: Enhancing User Experience</a>
<span class="Articlelist_txts_time">Apr 09, 2025 am 12:11 AM</span>
<p class="Articlelist_txts_p">React combines JSX and HTML to improve user experience. 1) JSX embeds HTML to make development more intuitive. 2) The virtual DOM mechanism optimizes performance and reduces DOM operations. 3) Component-based management UI to improve maintainability. 4) State management and event processing enhance interactivity.</p>
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<div class="phphistorical_Version2_mids">
<a href="https://www.php.cn/faq/1796797340.html" title="Frontend Development with React: Advantages and Techniques" class="phphistorical_Version2_mids_img">
<img onerror="this.onerror=''; this.src='/static/imghw/default1.png'"
src="/static/imghw/default1.png" class="lazy" data-src="https://img.php.cn/upload/article/001/253/068/174482071229028.jpg?x-oss-process=image/resize,m_fill,h_207,w_330" alt="Frontend Development with React: Advantages and Techniques" />
</a>
<a href="https://www.php.cn/faq/1796797340.html" title="Frontend Development with React: Advantages and Techniques" class="phphistorical_Version2_mids_title">Frontend Development with React: Advantages and Techniques</a>
<span class="Articlelist_txts_time">Apr 17, 2025 am 12:25 AM</span>
<p class="Articlelist_txts_p">The advantages of React are its flexibility and efficiency, which are reflected in: 1) Component-based design improves code reusability; 2) Virtual DOM technology optimizes performance, especially when handling large amounts of data updates; 3) The rich ecosystem provides a large number of third-party libraries and tools. By understanding how React works and uses examples, you can master its core concepts and best practices to build an efficient, maintainable user interface.</p>
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<div class="phphistorical_Version2_mids">
<a href="https://www.php.cn/faq/1796797862.html" title="React's Ecosystem: Libraries, Tools, and Best Practices" class="phphistorical_Version2_mids_img">
<img onerror="this.onerror=''; this.src='/static/imghw/default1.png'"
src="/static/imghw/default1.png" class="lazy" data-src="https://img.php.cn/upload/article/001/253/068/174490703214638.jpg?x-oss-process=image/resize,m_fill,h_207,w_330" alt="React's Ecosystem: Libraries, Tools, and Best Practices" />
</a>
<a href="https://www.php.cn/faq/1796797862.html" title="React's Ecosystem: Libraries, Tools, and Best Practices" class="phphistorical_Version2_mids_title">React's Ecosystem: Libraries, Tools, and Best Practices</a>
<span class="Articlelist_txts_time">Apr 18, 2025 am 12:23 AM</span>
<p class="Articlelist_txts_p">The React ecosystem includes state management libraries (such as Redux), routing libraries (such as ReactRouter), UI component libraries (such as Material-UI), testing tools (such as Jest), and building tools (such as Webpack). These tools work together to help developers develop and maintain applications efficiently, improve code quality and development efficiency.</p>
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<div class="phphistorical_Version2_mids">
<a href="https://www.php.cn/faq/1796794160.html" title="React and the Frontend: Building Interactive Experiences" class="phphistorical_Version2_mids_img">
<img onerror="this.onerror=''; this.src='/static/imghw/default1.png'"
src="/static/imghw/default1.png" class="lazy" data-src="https://img.php.cn/upload/article/001/253/068/174430092263336.jpg?x-oss-process=image/resize,m_fill,h_207,w_330" alt="React and the Frontend: Building Interactive Experiences" />
</a>
<a href="https://www.php.cn/faq/1796794160.html" title="React and the Frontend: Building Interactive Experiences" class="phphistorical_Version2_mids_title">React and the Frontend: Building Interactive Experiences</a>
<span class="Articlelist_txts_time">Apr 11, 2025 am 12:02 AM</span>
<p class="Articlelist_txts_p">React is the preferred tool for building interactive front-end experiences. 1) React simplifies UI development through componentization and virtual DOM. 2) Components are divided into function components and class components. Function components are simpler and class components provide more life cycle methods. 3) The working principle of React relies on virtual DOM and reconciliation algorithm to improve performance. 4) State management uses useState or this.state, and life cycle methods such as componentDidMount are used for specific logic. 5) Basic usage includes creating components and managing state, and advanced usage involves custom hooks and performance optimization. 6) Common errors include improper status updates and performance issues, debugging skills include using ReactDevTools and Excellent</p>
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<div class="phphistorical_Version2_mids">
<a href="https://www.php.cn/faq/1796798385.html" title="The Future of React: Trends and Innovations in Web Development" class="phphistorical_Version2_mids_img">
<img onerror="this.onerror=''; this.src='/static/imghw/default1.png'"
src="/static/imghw/default1.png" class="lazy" data-src="https://img.php.cn/upload/article/001/253/068/174499336146661.jpg?x-oss-process=image/resize,m_fill,h_207,w_330" alt="The Future of React: Trends and Innovations in Web Development" />
</a>
<a href="https://www.php.cn/faq/1796798385.html" title="The Future of React: Trends and Innovations in Web Development" class="phphistorical_Version2_mids_title">The Future of React: Trends and Innovations in Web Development</a>
<span class="Articlelist_txts_time">Apr 19, 2025 am 12:22 AM</span>
<p class="Articlelist_txts_p">React's future will focus on the ultimate in component development, performance optimization and deep integration with other technology stacks. 1) React will further simplify the creation and management of components and promote the ultimate in component development. 2) Performance optimization will become the focus, especially in large applications. 3) React will be deeply integrated with technologies such as GraphQL and TypeScript to improve the development experience.</p>
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<a href="https://www.php.cn/faq/1796795188.html" title="React vs. Backend Frameworks: A Comparison" class="phphistorical_Version2_mids_img">
<img onerror="this.onerror=''; this.src='/static/imghw/default1.png'"
src="/static/imghw/default1.png" class="lazy" data-src="https://img.php.cn/upload/article/001/253/068/174447398230492.jpg?x-oss-process=image/resize,m_fill,h_207,w_330" alt="React vs. Backend Frameworks: A Comparison" />
</a>
<a href="https://www.php.cn/faq/1796795188.html" title="React vs. Backend Frameworks: A Comparison" class="phphistorical_Version2_mids_title">React vs. Backend Frameworks: A Comparison</a>
<span class="Articlelist_txts_time">Apr 13, 2025 am 12:06 AM</span>
<p class="Articlelist_txts_p">React is a front-end framework for building user interfaces; a back-end framework is used to build server-side applications. React provides componentized and efficient UI updates, and the backend framework provides a complete backend service solution. When choosing a technology stack, project requirements, team skills, and scalability should be considered.</p>
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<div class="phphistorical_Version2_mids">
<a href="https://www.php.cn/faq/1796797868.html" title="React: The Power of a JavaScript Library for Web Development" class="phphistorical_Version2_mids_img">
<img onerror="this.onerror=''; this.src='/static/imghw/default1.png'"
src="/static/imghw/default1.png" class="lazy" data-src="https://img.php.cn/upload/article/001/253/068/174490713283171.jpg?x-oss-process=image/resize,m_fill,h_207,w_330" alt="React: The Power of a JavaScript Library for Web Development" />
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<a href="https://www.php.cn/faq/1796797868.html" title="React: The Power of a JavaScript Library for Web Development" class="phphistorical_Version2_mids_title">React: The Power of a JavaScript Library for Web Development</a>
<span class="Articlelist_txts_time">Apr 18, 2025 am 12:25 AM</span>
<p class="Articlelist_txts_p">React is a JavaScript library developed by Meta for building user interfaces, with its core being component development and virtual DOM technology. 1. Component and state management: React manages state through components (functions or classes) and Hooks (such as useState), improving code reusability and maintenance. 2. Virtual DOM and performance optimization: Through virtual DOM, React efficiently updates the real DOM to improve performance. 3. Life cycle and Hooks: Hooks (such as useEffect) allow function components to manage life cycles and perform side-effect operations. 4. Usage example: From basic HelloWorld components to advanced global state management (useContext and</p>
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<div class="phphistorical_Version2_mids">
<a href="https://www.php.cn/faq/1796797834.html" title="Understanding React's Primary Function: The Frontend Perspective" class="phphistorical_Version2_mids_img">
<img onerror="this.onerror=''; this.src='/static/imghw/default1.png'"
src="/static/imghw/default1.png" class="lazy" data-src="https://img.php.cn/upload/article/001/253/068/174490652149150.jpg?x-oss-process=image/resize,m_fill,h_207,w_330" alt="Understanding React's Primary Function: The Frontend Perspective" />
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<a href="https://www.php.cn/faq/1796797834.html" title="Understanding React's Primary Function: The Frontend Perspective" class="phphistorical_Version2_mids_title">Understanding React's Primary Function: The Frontend Perspective</a>
<span class="Articlelist_txts_time">Apr 18, 2025 am 12:15 AM</span>
<p class="Articlelist_txts_p">React's main functions include componentized thinking, state management and virtual DOM. 1) The idea of componentization allows splitting the UI into reusable parts to improve code readability and maintainability. 2) State management manages dynamic data through state and props, and changes trigger UI updates. 3) Virtual DOM optimization performance, update the UI through the calculation of the minimum operation of DOM replica in memory.</p>
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