StaticDelivr vs ARN Smart Image Optimizer

ARN Smart Image Optimizer is a modern WordPress image optimization plugin for converting JPG, JPEG, and PNG images to WebP or AVIF directly on your own server. It combines automatic deferred conversion after upload, manual bulk conversion, smart on-demand generation, responsive image delivery, Media Library status controls, conversion coverage tracking, and separate WebP and AVIF quality settings in one lightweight workflow. Unlike traditional plugins that aggressively convert every possible image variation immediately, ARN Smart Image Optimizer can prepare optimized variants after WordPress finishes saving an upload or generate the selected format only when it is needed. This reduces unnecessary processing, disk writes, unused files, and editor upload conflicts while keeping original media available as a safe fallback. This Free WordPress.org edition works locally and does not require an ARN Smart account, license key, or external image optimization service. 🚀 Features ✅ Convert JPG, JPEG, and PNG images to WebP or AVIF ✅ Automatic deferred conversion after upload ✅ Manual bulk conversion tools for existing Media Library images ✅ Smart on-demand conversion workflow ✅ Media Library conversion status indicators and actions ✅ Intelligent WebP or AVIF delivery for src, srcset, and responsive image output ✅ Support for common lazy-loading image attributes ✅ Request-aware optimization flow ✅ Conversion coverage tracking ✅ Stale-variant detection after WordPress Image Editor changes ✅ Lightweight and resource-aware processing ✅ Local-only image conversion ✅ Basic optimization statistics ✅ Separate WebP and AVIF quality controls ✅ Original-file fallback for unsupported environments 🛡️ Why ARN Smart Image Optimizer? ARN Smart Image Optimizer focuses on efficient and controlled optimization instead of aggressive background processing. The plugin is designed to: ⚡ reduce unnecessary conversions ⚡ avoid excessive server load ⚡ limit unused generated files and disk writes ⚡ keep media handling lightweight ⚡ protect page and post editor upload workflows ⚡ provide visibility into conversion status ⚡ improve next-generation image delivery ⚡ preserve original images for safe fallback behavior It is suitable for site owners, developers, content teams, stores, blogs, and other WordPress websites that need practical WebP or AVIF optimization without depending on a remote cloud conversion service. 🧠 Smart Optimization Workflow ARN Smart Image Optimizer uses a smart optimization workflow designed to reduce unnecessary processing and improve resource efficiency. Instead of aggressively generating every possible optimized file immediately, the plugin can generate the selected next-generation format only when needed. This helps reduce: unnecessary CPU usage excessive disk writes unused generated files heavy background processing duplicate conversion work The system follows a lightweight request-aware optimization approach: Detect → Check → Generate → Serve The plugin checks whether a current optimized variant already exists before creating another file. Compatible browsers can receive the selected next-generation format while the original remains available as a fallback. This allows WordPress sites to optimize media in a more controlled and efficient way. 📤 Safer Upload-Time Conversion Image conversion is deferred until WordPress completes the attachment and metadata save process. This workflow helps: ✅ avoid blocking the main upload request ✅ reduce conversion-related failures inside page and post editors ✅ prevent metadata write conflicts ✅ preserve the normal WordPress media workflow ✅ keep automatic optimization available after upload If an image is later modified with the WordPress Image Editor, stale optimized variants can be detected so outdated files are not treated as current conversions. ⚡ Force Display Engine ARN Smart Image Optimizer includes a Force Display system designed to improve WebP and AVIF delivery consistency across WordPress output. When optimized variants are available, the plugin can intelligently serve the selected format across supported output contexts, including: image src responsive srcset lazy-load attributes responsive image output The goal is to improve optimized image coverage while maintaining fallback compatibility for unsupported browsers or environments. 📊 Media Library and Conversion Visibility The Media Library integration helps administrators understand which images have optimized variants and which files still need attention. Available workflow elements include: ✅ WebP or AVIF status indicators ✅ conversion actions inside the media workflow ✅ optimization counts for the selected output format ✅ basic converted and pending visibility ✅ conversion coverage awareness This makes image optimization easier to inspect than workflows that run silently without clear feedback. ⭐ Upgrade to ARN WebPix Pro ARN WebPix is the professional image optimization and delivery system for production websites, large media libraries, agencies, developers, and teams that need deeper operational control. WebPix expands the Free workflow with advanced capabilities such as: ⚡ Real filesystem discovery — scans actual media files and identifies originals, generated sizes, missing files, orphaned assets, and optional external sources beyond WordPress attachment metadata. ⚡ Full coverage intelligence — evaluates attachments and individual physical files as fully converted, partially converted, or not converted. ⚡ Dedicated WebP and AVIF storage — keeps generated formats in predictable, separate folders for cleaner maintenance, migration, rebuilding, and CDN workflows. ⚡ Advanced Force Display controls — provides wider delivery enforcement and scope control for supported output contexts. ⚡ Queue-based production processing — tracks pending, processing, completed, and failed jobs while preventing duplicate work. ⚡ Advanced bulk and regenerate tools — rebuilds generated formats, requeues eligible files, and supports controlled recovery workflows. ⚡ Conversion Inspector and detailed statistics — exposes source counts, missing variants, coverage percentages, operation results, failures, and queue behavior. ⚡ Operation logs and diagnostics — provides clearer visibility for troubleshooting large or complex media libraries. ⚡ Extended media pipelines — supports PDF first-page previews with Imagick and video sidecar generation with FFmpeg when the server provides them. ⚡ CDN-ready delivery architecture — uses predictable generated-file paths and extendable delivery controls. ⚡ Licensed updates and priority support — connects the installation to ARN Smart for professional update delivery and assistance. Learn more about the complete professional system: Explore ARN WebPix 🆓 Free vs ARN WebPix Pro The Free edition includes essential WordPress image optimization features: ✅ WebP and AVIF conversion ✅ automatic deferred conversion after upload ✅ manual bulk conversion ✅ smart on-demand generation ✅ responsive image and srcset delivery ✅ Media Library integration ✅ basic conversion visibility and statistics ✅ separate quality controls ✅ local-only processing ✅ no account or license requirement ARN WebPix Pro is designed for advanced production workflows that require: ⭐ deeper filesystem and source discovery ⭐ attachment-level and physical-file coverage analysis ⭐ separate generated-file storage architecture ⭐ advanced queue and processing control ⭐ complete bulk, regenerate, maintenance, and recovery tools ⭐ detailed inspection, reporting, and diagnostics ⭐ wider media processing and CDN-ready delivery ⭐ licensed updates and professional support Choose ARN Smart Image Optimizer for essential local WebP and AVIF optimization. Choose ARN WebPix when the website requires production-scale processing, deeper visibility, and advanced operational control. 🔗 Other ARN Smart Products ARN Smart develops focused WordPress systems that can be used independently or together: ARN Smart Content Toolkit / ARN Clonex — controlled draft preparation in Free; structured duplication, datasets, bulk production, and builder-aware workflows in Pro. ARN Smart URL Manager / ARN Linkix — short links, redirects, QR codes, and local analytics in Free; URL intelligence, advanced routing, design, and reporting in Pro. ARN Smart Visitor Intent / ARN Smart Visioix — visitor-intent capture, triggers, analytics, and contact actions in Free; connected visitor and website intelligence in Pro. ARN Smart Elementor Site Utilities / ARN Smart Vendix — essential Elementor widgets and site utilities in Free; advanced widgets, design systems, protection, and website operations in Pro. Explore all WordPress products and solutions at ARN Smart. External Services The Free edition performs image conversion locally and does not require an external image-processing service, ARN Smart account, license validation request, or remote policy service. Links in this readme open ARN Smart product pages only when selected by the user.

StaticDelivr CDN is a lightweight and powerful plugin designed to improve your WordPress site’s performance. By rewriting theme, plugin, core file resource URLs, optimizing images, and proxying Google Fonts through the StaticDelivr CDN, the plugin ensures faster loading times, reduced server load, better privacy, and an improved user experience. StaticDelivr is a global content delivery network (CDN) that supports delivering assets from various platforms like npm, GitHub, and WordPress. By leveraging geographically distributed servers, StaticDelivr optimizes the delivery of your static assets such as CSS, JavaScript, images, and fonts. Key Features Smart Asset Detection: Automatically detects which themes and plugins are from wordpress.org and only serves those via CDN. Custom themes and plugins are served locally. No configuration needed! Failure Memory System: If a CDN resource fails to load, the plugin remembers and automatically serves it locally for 24 hours. No more repeated failures! Automatic URL Rewriting: Automatically rewrites URLs of enqueued styles, scripts, and core files for themes, plugins, and WordPress itself to use the StaticDelivr CDN. Image Optimization: Automatically optimizes images with compression and modern format conversion (WebP, AVIF). Turn 2MB images into 20KB without quality loss! Google Fonts Privacy Proxy: Serve Google Fonts without tracking (GDPR compliant). A drop-in replacement that strips all user-identifying data and tracking cookies. Automatic Fallback: If a CDN asset fails to load, the plugin automatically falls back to your origin server, ensuring your site never breaks. Localhost Detection: Automatically detects development environments and serves images locally when CDN cannot reach them. Child Theme Support: Intelligently handles child themes by checking parent theme availability on wordpress.org. Separate Controls: Enable or disable assets (CSS/JS), image optimization, and Google Fonts proxy independently. Quality & Format Settings: Customize image compression quality and output format. Verification Dashboard: See exactly which assets are served via CDN vs locally in the admin panel. Failure Statistics: View which resources have failed and are being served locally, with option to clear cache. Compatibility: Works seamlessly with all WordPress themes and plugins — both from wordpress.org and custom/premium sources. Improved Performance: Delivers assets from the StaticDelivr CDN for lightning-fast loading and enhanced user experience. Multi-CDN Support: Leverages multiple CDNs to ensure optimal availability and performance. Free and Open Source: Supports the open-source community by offering free access to a high-performance CDN. Use of Third-Party Service This plugin relies on the StaticDelivr CDN to deliver static assets, including WordPress themes, plugins, core files, optimized images, and Google Fonts. The CDN uses the public WordPress SVN repository to fetch theme/plugin files and serves them through a globally distributed network for faster performance and reduced bandwidth costs. Service Terms of Use: StaticDelivr Terms Privacy Policy: StaticDelivr Privacy Policy How It Works StaticDelivr CDN rewrites your WordPress asset URLs to deliver them through its high-performance network: Smart Asset Detection The plugin automatically verifies which themes and plugins exist on wordpress.org: WordPress.org Assets: Served via StaticDelivr CDN for maximum performance Custom/Premium Assets: Automatically detected and served from your server Child Themes: Parent theme is checked. If the parent is on wordpress.org, assets load via CDN This means the plugin “just works” with any combination of wordpress.org and custom themes/plugins! Failure Memory System (New in 1.7.0!) The plugin learns from CDN failures and automatically adapts: First failure: Fallback fires, failure is recorded Second failure: Resource is blocked from CDN for 24 hours Auto-recovery: After 24 hours, resources are retried automatically Manual reset: Clear the failure cache anytime from settings This ensures that problematic resources (Cloudflare-protected images, auth-gated content, etc.) are handled gracefully without repeated failures. Assets (CSS & JavaScript) Original URL: `https://example.com/wp-content/themes/theme-name/version/style.css` Rewritten CDN URL: `https://cdn.staticdelivr.com/wp/themes/theme-name/version/style.css` This process applies to themes, plugins, and core files: Themes: Original: `https://example.com/wp-content/themes/twentytwentythree/1.0/style.css` CDN: `https://cdn.staticdelivr.com/wp/themes/twentytwentythree/1.0/style.css` Plugins: Original: `https://example.com/wp-content/plugins/woocommerce/assets/js/frontend/woocommerce.min.js` CDN: `https://cdn.staticdelivr.com/wp/plugins/woocommerce/tags/9.3.3/assets/js/frontend/woocommerce.min.js` Core Files: Original: `https://example.com/wp-includes/js/jquery/jquery.min.js` CDN: `https://cdn.staticdelivr.com/wp/core/tags/6.9/wp-includes/js/jquery/jquery.min.js` Images Original: `https://example.com/wp-content/uploads/2024/01/photo.jpg` (2MB) Optimized CDN: `https://cdn.staticdelivr.com/img/images?url=https://example.com/wp-content/uploads/2024/01/photo.jpg&q=80&format=webp` (~20KB) Google Fonts Original CSS: `https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap` Privacy Proxy: `https://cdn.staticdelivr.com/gfonts/css2?family=Inter:wght@400;500;600&display=swap` Original Font Files: `https://fonts.gstatic.com/s/inter/v20/example.woff2` Privacy Proxy: `https://cdn.staticdelivr.com/gstatic-fonts/s/inter/v20/example.woff2` This ensures faster delivery through StaticDelivr’s globally distributed network while protecting user privacy. Why Use StaticDelivr? Zero Configuration: Smart detection means it works out of the box with any theme/plugin combination. Self-Healing: Failure memory system automatically adapts to problematic resources. Global Distribution: StaticDelivr serves your assets from a globally distributed network, reducing latency and improving load times. Massive Bandwidth Savings: Offload heavy image delivery to StaticDelivr. Optimized images can be 10-100x smaller! Privacy-First Google Fonts: Serve Google Fonts without tracking cookies — GDPR compliant without additional cookie banners. Works with Custom Themes: Unlike other CDN plugins, StaticDelivr automatically detects custom themes/plugins and serves them locally. Browser Caching Benefits: As an open-source CDN used by many sites, assets served by StaticDelivr are likely already cached in users’ browsers. This enables faster load times when visiting multiple sites using StaticDelivr. Significant Bandwidth Savings: Reduces your site’s bandwidth usage and number of requests significantly by offloading asset delivery to StaticDelivr. Optimized Performance: Ensures assets are delivered quickly, no matter where your users are located. Comprehensive WordPress Support: Includes support for delivering core WordPress files (e.g., those in the `wp-includes` directory) to enhance site speed and reliability. Support for Popular Platforms: Easily integrates with npm, GitHub, WordPress, and Google Fonts. Minimal Configuration: Just enable the features you want and the plugin handles the rest. Development Friendly: Automatically detects localhost and development environments. Translations StaticDelivr CDN is available in the following languages: English (default) Spanish (Español) – es_ES, es_MX French (Français) – fr_FR German (Deutsch) – de_DE Italian (Italiano) – it_IT Portuguese Brazil (Português) – pt_BR Dutch (Nederlands) – nl_NL Japanese (日本語) – ja Chinese Simplified (简体中文) – zh_CN Chinese Traditional (繁體中文) – zh_TW Russian (Русский) – ru_RU Arabic (العربية) – ar Korean (한국어) – ko_KR Turkish (Türkçe) – tr_TR Polish (Polski) – pl_PL Ukrainian (Українська) – uk Czech (Čeština) – cs_CZ Hungarian (Magyar) – hu_HU Romanian (Română) – ro_RO Swedish (Svenska) – sv_SE Danish (Dansk) – da_DK Finnish (Suomi) – fi Hebrew (עברית) – he_IL Persian (فارسی) – fa_IR Hindi (हिन्दी) – hi Vietnamese (Tiếng Việt) – vi Thai (ไทย) – th Indonesian (Bahasa Indonesia) – id_ID Urdu (اردو) – ur Want to help translate StaticDelivr CDN into your language? Visit translate.wordpress.org to contribute! License This plugin is licensed under the GPLv2 or later. See License URI for details.