[WordPress] 外掛分享： NitroPack – Caching & Speed Optimization for Core Web Vitals, Defer CSS & JS, Lazy load Images and CDN

WordPress 外掛 NitroPack – Caching & Speed Optimization for Core Web Vitals, Defer CSS & JS, Lazy load Images and CDN 的封面圖片。

前言介紹

  • 這款 WordPress 外掛「NitroPack – Caching & Speed Optimization for Core Web Vitals, Defer CSS & JS, Lazy load Images and CDN」是 2019-08-28 上架。
  • 目前有 100000 個安裝啟用數。
  • 上一次更新是 2025-03-18，距離現在已有 47 天。
  • 外掛最低要求 WordPress 4.7 以上版本才可以安裝。
  • 外掛要求網站主機運作至少需要 PHP 版本 5.6 以上。
  • 有 309 人給過評分。
  • 論壇上目前有 2 個提問，問題解答率 100% ，不低，算是個很有心解決問題的開發者團隊了！

外掛協作開發者

nitropack |

外掛標籤

cache | speed | lazy load | performance | optimize pagespeed |

內容簡介

NitroPack 是一個全方位的網站效能優化服務外掛，它包含了所有使網站加速所需的功能，包括圖片優化、代碼壓縮、快取、CDN (內容交付網路)、延遲載入等等。

NitroPack 在雲端進行所有效能優化，因此相較於一般快取外掛，它具有更低的 CPU 延遲。

我們的服務提供以下 (通常需額外付費) 功能，且無需進行任何配置：
- Cloudflare CDN：我們只需基於 CloudFlare 提供靜態資源快取。
- 圖片優化：我們會自動優化並轉換為 WebP 格式。
- 快取預熱：我們會讓您的重要頁面一直維持優化狀態。

除此之外，NitroPack 還提供其他獨特功能和好處，例如：
- 極簡易的安裝設置；只需按照 4 個步驟即可完成，無需進行任何技術配置或者 15 步安裝流程。即使您不是開發者，也能輕鬆設置 Safely Preview。
- 無損修改原始網站檔案的風險：NitroPack 是在您的網站副本上進行優化，您不滿意優化結果？沒問題，直接清除快取即可，其中即使您決定關閉 NitroPack，網站仍會回到啟用外掛之前的狀態。
- 快取無效化 (Cache Invalidation)：您可以無效化快取檔案並產生新的快取檔案，讓 NitroPack繼續向訪客提供快取，同時在後台生產全新的快取檔案。在高流量活動期間使用快取無效化十分便利，能夠在維護網站的同時，為訪客提供快取服務。且 NitroPack 提供自動支援。
- 為您的獨特佈局量身訂做的關鍵CSS：大多數提供關鍵CSS功能的外掛只會為每個文章類型準備一個CSS文件，而忽略了相同文章類型但具有不同版面的多個頁面。NitroPack 會檢測到這一點，為每個單獨版面生成獨特的關鍵CSS。此外，因為桌面和移動設備的查看視圖不同，NitroPack 還會為不同設備類型使用不同的關鍵CSS。
- 優化靜態鏈接到佈景主題檔案中的資源：NitroPack 可以發現和優化佈景主題中連線的所有資源，即使它們被放置在 CSS 文件中 (甚至是在 @import 鏈中多層引用)。

設置不需要技術知識，您只需選擇所需的優化級別：標準、中等、強烈或極限。除此之外，NitroPack 所有工作都將由程式自動處理。

其他關鍵功能如下：
- HTML、CSS 和 JavaScript 的壓縮；
- Gzip 和 Brotli 壓縮；
- 圖片優化，並可以轉換為 WebP 格式；
- 圖片延遲載入 (包括 CSS 背景圖片)、iframe 延遲載入；
- Cloudflare CDN；
- YouTube 和 Vimeo 嵌入式的圖片預覽；
- CSS 和 JavaScript 延遲載入；
- 字型呈現優化；
- DNS 預取；
- 適用於移動、平板和桌面設備；
- 具備 Multisite 功能。

原文外掛簡介

Speed up your WordPress site, achieve a 90+ Performance score on PageSpeed Insights, and pass your Core Web Vitals with NitroPack.
Boost your website’s speed effortlessly with NitroPack, the ultimate solution trusted by hundreds of thousands worldwide to climb Google rankings, boost conversions, and expand businesses. NitroPack stands above traditional caching with its cloud-based infrastructure and advanced optimizations, delivering top scores on Core Web Vitals and Lighthouse tests. This ensures a seamlessly fast experience for your visitors.
Experience unmatched performance with features like cutting-edge caching, full image optimization, code refinement, an integrated global CDN, and lazy loading. NitroPack is your all-in-one tool for a lightning-fast website that captivates visitors and drives conversions.

Why choose NitroPack?

Instant Performance Boost Without Coding:
NitroPack delivers a significant speed boost to your website instantly, eliminating the need for complex coding or technical expertise. Enjoy faster load times and improved PageSpeed scores effortlessly.

Automated Optimization for Core Web Vitals:
NitroPack automates the optimization of Core Web Vitals, ensuring your website consistently meets and exceeds the performance metrics that impact user experience and search engine rankings. Learn more about how we can help you boost your Core Web Vitals scores with our latest webinars with Google.

Optimizations with Zero Impact on Your Hosting’s CPU and RAM:
NitroPack handles all resource-intensive optimizations, including caching and image and file optimizations, on its servers. This preserves your hosting resources, allowing your website’s speed to improve seamlessly without imposing any strain on your server’s CPU or RAM. This guarantees efficient and uninterrupted performance enhancement.
An additional customer-centric approach safeguards your site’s performance by working on copies of your files, meaning your original content stays unchanged. With NitroPack, you can innovate confidently, knowing your website’s integrity is protected while you optimize for speed and efficiency.

Speed up your site with NitroPack
Let’s delve into what makes NitroPack the ultimate cache and speed optimizer for your site:
💾 ADVANCED CACHING:
Thanks to its advanced features and smart caching system, NitroPack guarantees that your website stays fast and stable, even when lots of people visit at the same time.

Automatic Cache Warmup: NitroPack proactively caches the pages of your website before your users interact with it, ensuring that every visitor is served with a fast version of your site.
Smart invalidation: This process ensures that the cached content remains up-to-date without unnecessarily clearing and rebuilding the entire cache by tracking the changes made on the site and then invalidating the cache related to these changes.
Device and Cookie-Aware Caching: Customize cache strategies based on user devices and cookies, ensuring a tailored and efficient user experience.
Browser Cache: Leverage the built-in browser cache for lightning-fast content delivery, reducing load times for returning visitors.

🛠️ CODE OPTIMIZATION:
The powerful optimization set of NitroPack allows you to concatenate your code structure: you can minify, compress, and merge your HTML, CSS, and JS files – all with just a click of a button.

Advanced Resource Loader: Significantly speeds up your website by intelligently managing how resources are loaded, ensuring a faster, more responsive user experience without the need for technical intervention
Critical CSS Optimization: Prioritize above-the-fold CSS for rapid page rendering, making your site appear faster to users.
Deferred Loading: Optimize JavaScript loading for improved page responsiveness, ensuring a smooth and interactive user experience.
CSS and JavaScript Combining: Combine CSS and JavaScript files for improved loading efficiency, reducing HTTP requests and enhancing overall site speed.
JS Minification and Compression: Minify and compress JS files for enhanced performance, ensuring your scripts run efficiently.
HTML Compression: Compress HTML files for faster loading times, ensuring a swift and smooth user journey.
DNS Preconnects: Accelerate resource fetching with DNS preconnects, reducing the time it takes to fetch external resources.

🖼️ IMAGE OPTIMIZATION:
Say goodbye to the frustration of manual adjustments and handling multiple tools to optimize your images. With NitroPack, your image file sizes shrink by up to 7x while preserving their quality, allowing your content to be served at lightning speed.

Automatic Image Optimization: Dynamically resizes images, converts them to the efficient WebP format, and applies the best compression technique—either lossy or lossless—to reduce file sizes without sacrificing quality, ensuring your images load quickly and efficiently.
Adaptive Image Sizing: Optimizes images to perfectly fit their display containers across devices, ensuring they load quickly while still maintaining crisp, high resolution for an enhanced user experience
Advanced Lazy loading: Improve page loading time by loading offscreen images and videos only when they are required. NitroPack can lazy load images, GIFs, locally hosted videos and videos on YouTube, Vimeo and Wistia.

✏️ FONT OPTIMIZATION:
Improve your site’s speed by optimizing all your fonts. No matter the web font you’re using, NitroPack allows you to defer the font loading and reduce the file size by over 60% by removing unused font symbols (glyphs). Keep your site looking unique without compromising speed and performance.

Font Subsetting: Subset fonts to use only necessary characters, reducing page load times without sacrificing typography.
Font Loading Control: Deferred loading of fonts and CSS compression for enhanced performance, ensuring fonts load precisely when needed.
Font Compression: Reduce font size by up to 50% by converting your fonts to modern formats like WOFF2.
Optimization of Google-hosted fonts: Benefit from all font optimizations and pagespeed improvements by hosting your Google fonts on our CDN.

🌐 BUILT-IN GLOBAL CDN:
NitroPack offers a built-in Cloudflare CDN as part of its offering. With hundreds of servers distributed across 120+ countries, your site and resources are delivered quickly to all visitors, no matter their location.

Ultra-Fast Content Delivery (CDN): Benefit from a top-tier global CDN, ensuring both static and dynamic content are delivered at lightning speed, regardless of your user’s location. With hundreds of servers stationed across 100+ countries, your site and resources are delivered quickly to all visitors, no matter their location.
Compression Excellence: GZIP and Brotli Compression ensure optimal data transfer efficiency, making sure your content reaches your audience fast.
Cutting-Edge Technology: Stay ahead with HTTP/3 Compatibility, embracing the latest advancements in web protocols for unparalleled performance.

To view a complete list of NitroPack’s features, visit the feature page.
☎️ 24/7 SUPPORT:
All NitroPack customers get access to expert support and an extensive knowledge base for help with general and technical site speed issues. Our support is available round the clock.
🔒 SECURITY AND COMPLIANCE:
Your safety is our priority. NitroPack is SOC2 Type 2 compliant and ISO 27001 certified, internationally recognized standards for managing information security. We have a devoted team of security specialists working round-the-clock to uphold the highest level of security and compliance. By implementing industry-leading practices, we ensure your data remains secure and your peace of mind intact, 24/7.
🔌 COMPATIBILITIES:
NitroPack integrates seamlessly with the most popular WordPress plugins and themes to provide a smooth user experience:
Plugins:

WooCommerce
Elementor
Divi Builder
Yoast SEO
Squirrly SEO
All in One SEO Pack
Rank Math SEO
Contact Form 7
WPML
Cloudflare
WPForms
Gravity Forms
WPBakery
Beaver Builder
Fusion Page Builder
Thrive Architect
HubSpot
All-in-one WP Migration
OptinMonster
Drift Chat
LiveChat
Tawk.to Chat
ShortPixel
GeoTargeting WP
Mediavine
MainWP
And more

Themes:

Astra
OceanWP
Neve
GeneratePress
Avada
BeTheme
Divi
X
Enfold
Sena
Jupiter
Thrive
Davenport
And more

SHARE THE NITRO 💜
Join our Facebook Community.
Learn from our tutorials on YouTube Channel.
Contribute to NitroPack’s translations
Or rate us on WordPress 🙂

各版本下載點

（建議使用方法二，確保安裝的版本符合當前運作的 WordPress 環境。

1.4.0 | 1.4.1 | 1.5.0 | 1.5.1 | 1.5.2 | 1.5.3 | 1.5.4 | 1.5.5 | 1.5.6 | 1.5.7 | 1.5.8 | 1.5.9 | 1.6.0 | 1.6.1 | 1.7.0 | 1.7.1 | 1.8.0 | 1.8.1 | 1.8.3 | 1.9.0 | 1.9.1 | 1.9.2 | trunk | 1.10.0 | 1.10.1 | 1.10.2 | 1.10.3 | 1.10.4 | 1.11.0 | 1.12.0 | 1.13.0 | 1.14.0 | 1.15.0 | 1.15.1 | 1.15.2 | 1.15.3 | 1.16.0 | 1.16.1 | 1.16.2 | 1.16.3 | 1.16.4 | 1.16.5 | 1.16.6 | 1.16.7 | 1.16.8 | 1.17.0 | 1.17.6 | 1.17.7 | 1.17.8 | 1.17.9 | 1.18.0 | 1.3.19 | 1.3.20 | 1.5.10 | 1.5.11 | 1.5.12 | 1.5.13 | 1.5.14 | 1.5.15 | 1.5.16 | 1.5.17 | 1.5.18 | 1.5.19 |

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