內容簡介
### 總結：
藉助 Pixengine 智能圖像轉換器和優化器，讓您的 WordPress 網站速度提速。Pixengine 自動將所有上傳的圖片轉換為 WebP 和 AVIF 格式，智能優化，將文件大小減小 40-70%，同時保持視覺品質。非常適合改善頁面速度、SEO 排名和用戶體驗。
### 問答：
1. Pixengine 可以自動將哪些上傳的圖像轉換為 WebP 或 AVIF 格式？
- 答：JPG 和 PNG 上傳圖像。
2. AVIF 支持中的新功能是什麼？
- 答：AVIF 是下一代格式，具有優越的壓縮能力，比 WebP 文件小高達 50%。
3. Pixengine 進行圖像優化時使用的主要壓縮方法是什麼？
- 答：Pixengine 使用 Imagick 進行最佳壓縮。
4. 新的 Lazy Loading 功能是做什麼用的？
- 答：原生瀏覽器的延遲加載支援，可以提高初始頁面加載性能。
5. 進行現有圖像的批量轉換時，會保留什麼原始文件？
- 答：原文件以確保兼容性。
外掛標籤
開發者團隊
② 後台搜尋「JPrompt's Pixengine – Image Converter & Optimizer」→ 直接安裝（推薦）
原文外掛簡介
Make your WordPress site blazing fast with Pixengine – The intelligent image converter and optimizer.
Pixengine automatically converts all uploaded images to WebP and AVIF formats with intelligent optimization, reducing file sizes by 40-70% while maintaining visual quality. Perfect for improving page speed, SEO rankings, and user experience.
Key Features
Automatic Conversion
* Auto-convert JPG and PNG uploads to WebP or AVIF
* Choose WebP only, AVIF only, or both formats
* Smart resizing for images over configurable width
* Maintains aspect ratio automatically
* Preserves transparency for PNG images
* Converts all WordPress thumbnail sizes
AVIF Support (New in 1.1.0)
* Next-generation AVIF format with superior compression
* Up to 50% smaller files than WebP
* Automatic browser detection and fallback
* Requires PHP 8.1+ or Imagick with AVIF support
Superior Compression
* Uses Imagick (when available) for best compression
* Strips unnecessary metadata (EXIF, profiles)
* Optimized settings for 40-70% file size reduction
* Fallback to GD library with optimization
* Separate quality controls for WebP and AVIF
Lazy Loading (New in 1.1.0)
* Native browser lazy loading support
* Exclude first N images (above-the-fold)
* Improves initial page load performance
* Works with post content, thumbnails, and attachments
Responsive Images (New in 1.1.0)
* Automatic srcset optimization
* Optional picture element wrapping
* Format fallback: AVIF > WebP > Original
Caching Integration (New in 1.1.0)
* Configurable cache headers via .htaccess
* Browser caching for repeat visits
* Immutable cache-control for static images
Bulk Conversion
* Convert existing media library images
* Keeps original files for compatibility
* Automatic .htaccess configuration
* Browser-based optimized image delivery
* Progress tracking with detailed logging
Perfect For
E-commerce – Faster product page loading
Photographers – Portfolio optimization
Bloggers – Quick page loads, better SEO
News Sites – Handle high-volume image uploads
Agencies – Client site optimization
Developers – Performance-first development
Performance Benefits
40-70% smaller file sizes compared to JPG/PNG
Faster page load times – Better Core Web Vitals
Improved SEO rankings – Page speed is a ranking factor
Reduced bandwidth costs – Smaller files = less data
Better mobile experience – Faster loads on slow connections
Green hosting – Lower carbon footprint
How It Works
New Uploads (Automatic):
1. Upload JPG or PNG image
2. Plugin resizes if width > 1920px (configurable)
3. Converts to WebP with optimized compression
4. Strips metadata for smaller files
5. Original deleted (saves storage)
6. All thumbnails converted to WebP
Existing Images (Bulk):
1. Click “Start Bulk Conversion”
2. Converts all JPG/PNG in media library
3. Keeps originals for compatibility
4. Updates .htaccess for automatic WebP delivery
5. Browsers that support WebP get optimized images
6. Older browsers get original JPG/PNG
Technical Details
Compression Methods:
* Primary: Imagick with method 6 (best compression)
* Fallback: GD with alpha channel preservation
* Automatic metadata stripping
* Configurable quality settings (1-100)
* Smart resizing with LANCZOS filtering
WebP Options (Imagick):
* Method 6 compression (highest quality)
* Lossy compression for better file sizes
* Alpha quality 100 (perfect transparency)
* Auto-filter optimization
* Lossless option available
Browser Compatibility:
* Automatic .htaccess rules for serving WebP
* Fallback to original JPG/PNG for older browsers
* Supports Chrome, Firefox, Edge, Safari 14+, Opera
* Mobile browsers fully supported
Privacy & Performance
No external API calls
All processing done on your server
No data collection or tracking
Minimal performance impact
Asynchronous bulk conversion
Progress tracking without page reload
Technical Specifications
Supported Formats
Input: JPEG, JPG, PNG
Output: WebP, AVIF
Compression Details
Imagick: Method 6, lossy, auto-filter (WebP and AVIF)
GD: Alpha blending, transparency preservation
AVIF: Requires PHP 8.1+ or Imagick with AVIF support
Metadata stripping: EXIF, color profiles, thumbnails
Quality range: 1-100 (WebP: 70-80, AVIF: 60-70 recommended)
File Size Reductions
WebP from JPEG: 40-60% reduction
WebP from PNG: 50-70% reduction
AVIF from JPEG: 50-70% reduction
AVIF from PNG: 60-80% reduction
Large images (>1920px): 60-85% reduction
Browser Support
Chrome/Edge: Full WebP and AVIF support
Firefox: Full WebP and AVIF support
Safari: WebP 14+, AVIF 16+ (macOS Ventura, iOS 16)
Opera: Full support
IE/Legacy: Automatic fallback to JPG/PNG
Privacy Policy
This plugin does not:
* Collect any personal data
* Send images to external servers
* Use cookies
* Track users
* Make any external API calls
Support
Community support via WordPress.org forums.
Credits
Developed by JPrompt.
