前言

W3 Total Cache Pro 建立在 W3 Total Cache 的社区（免费）版本之上，并添加了任何认真运行成功网站的发布者都会感兴趣的功能。

天云资源博客网---W3 Total Cache (W3TC) 通过利用内容分发网络 (CDN) 集成和最新的最佳实践等功能，提高网站性能并缩短加载时间，从而改善网站的搜索引擎优化、核心网站活力和整体用户体验。

十多年来，W3TC 是唯一一款与虚拟主机无关的 WordPress 网站性能优化 (WPO) 框架，深受全球数百万出版商、网站开发人员和虚拟主机的信赖。它是优化 WordPress 网站的整体性能解决方案。

福利

• 提高搜索引擎结果页面的排名，尤其是对移动友好型网站和使用 SSL 的网站而言
• 站点整体性能至少提高了10倍（WebPagetest或重要Google PageSpeed改进）完全配置时
• 提高转换率和”网站性能“，影响网站在 Google.com 上的排名。
• “即时 “重复浏览页面：浏览器缓存
• 优化的渐进式呈现：页面快速开始呈现，可更快地进行交互
• 缩短页面加载时间：增加游客在网站上的停留时间；游客浏览更多页面
• 提高网络服务器性能；维持高流量时段
• 在对 HTML、CSS 和 JS 文件进行精简时，最多可节省 80% 的带宽。

主要特点

• 与共享主机、虚拟专用/专用服务器和专用服务器/群集兼容
• 对媒体库、主题文件和 WordPress 本身进行透明的内容交付网络（CDN）管理
• 移动支持：按推荐人或用户代理组分别缓存页面，包括为推荐人或用户代理组切换主题
• 支持加速移动页面 (AMP)
• 支持安全套接字层（SSL/TLS）
• 在内存、磁盘或（FSD）CDN（按用户代理组）上缓存（经过精简和压缩的）页面和帖子
• 在内存、磁盘或 CDN 中缓存（经过精简和压缩的）CSS 和 JavaScript
• 在内存、磁盘或 CDN 上缓存信息源（网站、类别、标签、评论、搜索结果
• 在内存或磁盘中缓存搜索结果页面（即带有查询字符串变量的 URI
• 在内存或磁盘上缓存数据库对象
• 在内存或磁盘上缓存对象
• 在内存或磁盘中缓存片段
• 缓存方法包括本地磁盘、Redis、Memcached、APC、APCu、eAccelerator、XCache 和 WinCache
• 通过细粒度控制最小化 CSS、最小化 JavaScript 和最小化 HTML
• 帖子、页面和 RSS 订阅的最小化
• 对内联、嵌入式或第三方 JavaScript 进行最小化处理，并自动更新资产
• 对内联、嵌入或第三方 CSS 进行最小化，并自动更新资产
• 延迟非关键 CSS 和 Javascript，以前所未有的速度呈现页面
• 使用 “懒加载 “功能延迟屏幕外图像，改善用户体验
• 使用缓存控制、未来过期标题和 “缓存破坏 “实体标签（ETag）的浏览器缓存
• 按模板（主页、文章页等）进行 JavaScript 分组，并提供嵌入位置控制
• 无阻塞 JavaScript 嵌入
• 将帖子附件直接导入媒体库（和 CDN）
• 利用我们的多个 CDN 集成优化图像
• WP-CLI 支持缓存清除、查询字符串更新等功能
• 各种安全功能有助于确保网站安全
• 缓存统计数据，以便深入了解任何已启用功能的性能
• 用于 Cloudflare、WPML 等定制或扩展的扩展框架
• 通过 Nginx 或 Varnish 进行反向代理集成
• WebP Converter extension provides WebP image format conversion from common image formats (on upload and on demand)

W3 Total Cache Pro Features

With over a million active installs, W3 Total Cache is the most comprehensive WordPress caching plugin available and has robust premium features that help deliver an exceptional user experience.

• Full Site Delivery: Serve your entire site from a Content Delivery Network (CDN), ensuring faster load times worldwide.
• Fragment Cache: Optimize the caching of dynamic content while still improving performance.
• REST API Caching: Speed up your headless WordPress site by caching REST API calls.
• Eliminate Render-Blocking CSS: Ensure your CSS doesn’t hold up page loading, providing faster initial paint.
• Delay Scripts: Improve performance by delaying the loading of non-essential scripts until they are needed.
• Preload Requests: Boost page performance by preloading critical resources before they’re requested.
• Remove CSS/JS: Clean up unnecessary CSS and JavaScript files that slow down your pages.
• Lazy Load Google Maps: Load Google Maps only when it’s visible, reducing unnecessary requests.
• WPML Extension: Optimize performance on multilingual sites powered by WPML.
• Caching Statistics: Get detailed insights on cache usage and performance improvements.
• Purge Logs: Keep your site clean by automatically purging unnecessary cache logs.

30-Day Money-Back Guarantee

Try W3 Total Cache Pro risk-free with our 30-day money-back guarantee. If you’re not satisfied, we will refund your purchase.

PAGESPEED SCORE IMPROVEMENTS

To help you understand the impact of individual features on your website’s performance, we’ve tested each feature separately to see its effect on Google PageSpeed scores. While optimal results come from configuring several different caching tools together, the following individual features also show significant improvements on their own:

Remove Unused CSS/JS

This feature removes CSS and JavaScript files that are not needed for the current page, reducing the load time.

• Added over 27 points to the Google PageSpeed score (Before: 57.2 / After: 86.7)
• Reduced the Potential Savings From Unused JavaScript from 127.5 KiB to 84 KiB
• View the test results

Full Site Delivery

Full Site Delivery optimizes the delivery of your entire site, enhancing the server response time.

• Added a 99% performance enhancement to the Average Server Response Time (Before: 3413 ms / After: 34 ms)
• View the test results

Eliminate Render Blocking CSS

This feature eliminates CSS that blocks the rendering of your page, speeding up the initial load time.

• Added over 17 points to the Google PageSpeed score (Before: 53.75 / After: 71)
• Reduced the Potential Savings From Render-Blocking Resources by over 94% (Before: 2432.5 ms / After: 125 ms)
• Improved the Largest Contentful Paint time by over 56% (Before: 7s / After: 3.04s)
• View the test results

Delay Scripts

Delay Scripts postpones the loading of certain scripts until they are needed, reducing initial load times.

• Added 14 points to the Google PageSpeed Performance score (Before: 54.25 / After: 68.5)
• Reduced the Time Third-Party Code Blocked The Main Thread For by 62% (Before: 825 ms / After: 197.5 ms)
• View the test results

Rest API Caching

This feature caches API responses, reducing server load and speeding up API interactions.

• Reduced the Average Server Load by 40% (Before: 0.62 / After: 0.37)
• Sped up API Responses by 84.5% (Before: 968ms / After: 150ms)
• Reduced the Average Server Load by 24% under during a major traffic spike (Before: 34.55 / After: 26.19)
• View the test results

WebP Images

Converts images to the WebP format, which is more efficient and faster to load.

• Added over 9 points to the Google PageSpeed score (Before: 84.67 / After: 93.83)
• View the test results

Lazy Load Google Maps

Delays the loading of Google Maps until the user interacts with them, reducing initial load time.

• Added 10 points to the Google PageSpeed score (Before: 66 / After: 76)
• Reduced the Total Blocking Time Performance score by 72% (Before: 287.5 ms / After: 80 ms)
• View the test results

无需更改 WordPress 主机、主题、插件或内容制作工作流程，就能极大地加快网站速度，改善网站核心功能，为访客带来更好的用户体验。