webwonderland

Web Wonderland SEO Image Optimiser helps you improve image performance and accessibility without breaking your theme.
The plugin can:
<ul>
<li>Convert images to modern formats (WebP/AVIF)</li>
<li>Serve WebP automatically on the front-end</li>
<li>Generate <code><picture></code> markup for improved Core Web Vitals</li>
<li>(Optional) Generate AI-based captions, alt text and titles in the same language as the WordPress site language</li>
<li>Integrate with Gutenberg, classic themes, Elementor, WPBakery, etc.</li>
<li>Use server-level rewriting or markup-based delivery modes</li>
<li>Restore original images at any time</li>
</ul>
This is a third-party plugin developed by Web Wonderland. 
It is not affiliated with or endorsed by WordPress, Elementor or WPBakery.
<h3>Local vs Cloud processing</h3>
The optimiser can work in two ways:
Local processing (always available) 
Runs entirely on your own server.
<ul>
<li>Unlimited WebP and AVIF generation (subject to your servers capabilities)</li>
<li>No monthly conversion caps</li>
<li>No api key required</li>
<li>Uses your own CPU and disk I/O</li>
</ul>
Cloud/API processing (api key required) 
Offloads heavy image work to the Web Wonderland Image API.
<ul>
<li>Uses a remote worker to generate WebP/AVIF for originals and all sizes</li>
<li>Reduces CPU load on your hosting, useful for busy or shared servers</li>
<li>Quotas and limits depend on your Lite, Pro or Unlimited plan</li>
<li>Works alongside local mode you can always fall back to local processing</li>
</ul>
You can choose your preferred processing mode in SEO Image Optimiser – Settings.
<h3>Free (Lite API Key)</h3>
The Lite API Key requires no card, only an email to issue an API key.
Included in the Lite API Key plan:
<ul>
<li>Unlimited local image conversions (WebP/AVIF) on your own server</li>
<li>Up to 50 cloud/API image conversions per month (WebP + AVIF) via the Web Wonderland Image API</li>
<li>Front-end WebP & AVIF delivery if available</li>
<li>Up to 30 AI alt tag & title generations per month</li>
<li>Automatic backups of originals with one-click restore</li>
<li>Works on one WordPress site</li>
</ul>
Your previously converted images remain on your server regardless of the API Key status. 
If your monthly cloud API quota is reached, the plugin can still optimise images locally.
<h3>Pro API Key</h3>
For busy sites and image-heavy blogs.
Includes everything in Lite plus:
<ul>
<li>Unlimited local image conversions (WebP/AVIF)</li>
<li>Effectively unlimited cloud/API image conversions for most sites 
(high cap WebP & AVIF generation via the Web Wonderland Image API)</li>
<li>Up to 3,000 AI alt tag & title generations per month</li>
<li>Background processing & bulk optimisation</li>
<li>Can be used on up to 5 WordPress sites</li>
</ul>
<h3>Unlimited API Key</h3>
For agencies or users managing many sites.
Includes everything in Pro plus:
<ul>
<li>Unlimited sites</li>
<li>Unlimited local image conversions (WebP/AVIF)</li>
<li>Unlimited cloud/API image conversions (WebP & AVIF for every image)</li>
<li>Up to 10,000 AI alt tag & title generations per month</li>
<li>Background processing & bulk optimisation</li>
</ul>
<h3>AI & Privacy</h3>
AI captioning is optional. If enabled, SmartAlt uses external services as documented in the External services section below. The plugin does not send personal data about site visitors.
<h3>External services</h3>
This plugin can connect to external services operated by Web Wonderland to provide optional “cloud” features (remote image optimisation and AI-powered SmartAlt captions). Local-only optimisation features continue to work without any external service.
When any cloud feature is enabled/used, the plugin sends requests from your WordPress server (admin-side actions) to the endpoints below. The plugin does not send personal data about site visitors.
<h4>1) Web Wonderland Image Optimisation API (Remote conversions)</h4>
Service: Web Wonderland Image Optimisation API 
Domain: imageapi.webwonderland.co.uk 
Used for: Cloud/remote image conversions (WebP/AVIF generation) and job completion signalling.
Endpoints used: 
– https://imageapi.webwonderland.co.uk/v1/jobs (create remote jobs) 
– https://imageapi.webwonderland.co.uk/v1/jobs/{job_id}/complete (mark job completed)
Data sent: 
– API key (sent as a request header) 
– attachment ID and public image URL (or secure URL) for the image being processed 
– derived image sizes and output settings (format, quality, width/height) 
– plugin version and basic site identifier (e.g. domain) where needed for returning results
When sent: 
– Only when you enable Cloud/API processing and run optimisation from the plugin dashboard / bulk optimiser. 
– The “/complete” request is sent after the plugin has successfully downloaded and stored the processed files.
Terms: https://www.webwonderland.co.uk/wwsio-terms/ 
Privacy: https://www.webwonderland.co.uk/wwsio-privacy-policy/
<h4>2) Web Wonderland Cloud Services (Netlify-hosted endpoints)</h4>
Service: Web Wonderland Cloud Services endpoints (Netlify) 
Domain: stupendous-pie-54cb74.netlify.app 
Used for: Site connect/disconnect, cloud api usage metering, background job coordination, and SmartAlt caption proxy.
Endpoints used: 
– https://stupendous-pie-54cb74.netlify.app/api/sio/connect 
– https://stupendous-pie-54cb74.netlify.app/api/sio/disconnect 
– https://stupendous-pie-54cb74.netlify.app/api/sio/check-reserve 
– https://stupendous-pie-54cb74.netlify.app/api/sio/cron-sites 
– https://stupendous-pie-54cb74.netlify.app/.netlify/functions/sio-smartalt-caption
Data sent: 
– API key (Authorization: Bearer or X-API-Key header, depending on endpoint) 
– plugin version 
– site identifier (e.g. domain) and/or anonymous instance ID 
– for SmartAlt caption generation: the image URL or a data URI for the selected image, and a small request payload (e.g. “usage” mode)
When sent: 
– Connect/disconnect: when you add or remove an API key in the Cloud Services screen. 
– Metering: when cloud processing runs or when SmartAlt is used. 
– Cron coordination: when the plugin is activated and when the optimisation queue state changes. 
– SmartAlt caption proxy: only when you click generate caption / suggestions in the SmartAlt admin screen.
Terms: https://www.webwonderland.co.uk/wwsio-terms/ 
Privacy: https://www.webwonderland.co.uk/wwsio-privacy-policy/
<h4>3) Replicate (AI provider used by Web Wonderland Cloud)</h4>
Service: Replicate (replicate.com) 
Used for: AI image captioning behind the SmartAlt feature (processed by Web Wonderland Cloud).
Data sent: 
– the image data or image URL required to generate a caption (sent by Web Wonderland Cloud, not directly by your WordPress site)
When sent: 
– only when you use SmartAlt caption generation in the plugin admin.
Terms: https://replicate.com/terms 
Privacy: https://replicate.com/privacy

Web Wonderland SEO Image Optimiser

Convert images to WebP and AVIF, add picture markup, and optionally generate SEO alt text & titles using AI. Fast, safe, and theme-friendly.

surviving404

Anek Image Optimizer is a professional-grade image optimization plugin built for speed, privacy, and flexibility. It is 100% free, runs entirely on your own server, and ships with zero telemetry — your images never leave your infrastructure.
<h4>Multi-Library Engine</h4>
Most optimization plugins lock you into a single backend. Anek supports three simultaneously:
<ul>
<li>Libvips — the fastest image processing library available (the same engine used by Cloudinary and Sharp.js). Runs as a native binary for extreme throughput and minimal memory usage.</li>
<li>Spatie Image — PHP-native library with selectable GD or Imagick drivers.</li>
<li>Intervention Image — alternative PHP library with GD or Imagick drivers.</li>
</ul>
<h4>Next-Gen Format Output</h4>
<ul>
<li>Compress original JPEG and PNG files in-place.</li>
<li>Generate WebP sidecar files alongside originals.</li>
<li>Generate AVIF sidecar files alongside originals.</li>
<li>All three outputs from a single source image, in one operation.</li>
<li>Built-in Apache/LiteSpeed <code>.htaccess</code> rules and Nginx config snippets for zero-PHP server-level delivery — browsers that support AVIF or WebP get them automatically; others fall back gracefully.</li>
</ul>
<h4>Deep WordPress Integration</h4>
<ul>
<li>Optimize directly from the Media Library — per-image buttons appear in attachment details.</li>
<li>Bulk optimization — compress your entire media library in one click with real-time progress.</li>
<li>Auto-optimize on upload — new images are processed the moment they are added.</li>
<li>File-system deep scanner — discovers and optimizes images outside <code>wp-content/uploads</code>, including theme images, plugin assets, and custom directories.</li>
</ul>
<h4>Preserve Originals</h4>
Toggle on “Preserve Originals” and a backup copy of every image is kept before compression. Restore any image to its original state at any time with zero data loss.
<h4>Quality & Exclusion Controls</h4>
<ul>
<li>Adjustable quality slider (0–100) per compression run.</li>
<li>Strip EXIF metadata to reduce file size further.</li>
<li>Set a minimum file size threshold to skip images already small enough.</li>
<li>Exclude specific paths from bulk operations.</li>
</ul>
<h4>100% Free, Zero Telemetry, Fully Self-Hosted</h4>
<ul>
<li>No data leaves your server. All processing happens locally.</li>
<li>Zero telemetry — no usage tracking, no analytics, no phone-home requests.</li>
<li>No API keys, no accounts, no subscriptions.</li>
<li>Full feature set available from day one with no freemium locks or upsells.</li>
</ul>

Anek Image Optimizer

Advanced image optimization for WordPress. Supports Libvips, Spatie, and Intervention. Generates WebP/AVIF and compresses images locally.

Web Wonderland SEO Image Optimiser vs Anek Image Optimizer