Performance, admin, and delivery plugins for lean WordPress sites.
Buy individual Pro licenses or the All-in-one bundle for KuDesign ImageIO, QueryIO, PageIO, and AdminIO. Paid users can sign in to renew licenses, view purchased plugins, and download Pro plugin packages.
Four plugins, one operational stack
Each plugin has a useful free baseline and a paid Pro path for serious WordPress operations.
imageIO
Convert JPG and PNG media to WebP/AVIF, serve lighter browser-ready assets automatically, and extend the pipeline with FTP, OSS, lazy loading, and API workflows.
- WebP / AVIF
- OSS ready
- WP.org
queryIO
Capture page query snapshots and serve cached query data to visitors, then extend into slow query analytics, WooCommerce optimization, admin query tuning, and headless page APIs.
- Query snapshots
- WooCommerce
- Headless
pageIO
Audit page-level scripts and styles, strip assets that do not belong to the current page, and split/compress the files that remain for faster first paint.
- First screen
- Defer rules
- CSS/JS
adminIO
Trim native WordPress admin features such as comments, email publishing, and open registration, then add branded login paths, dashboards, type builders, and lightweight tables.
- Admin UX
- CPT / fields
- Orders
Buy one plugin or all four together
Choose annual subscriptions or lifetime licenses for individual plugins, or use the All-in-one plan for the complete KuDesign WordPress toolkit.
Latest articles
Plugin docs, implementation notes, release notes, and WordPress performance guides.
Image Lazy Loading in WordPress: Native Browser vs Plugin Approaches
Lazy loading is built into WordPress core and every modern browser — but applied wrong, it actively damages LCP scores. This guide covers how native loading='lazy' and fetchpriority='high' work together, where plugins still add value (CSS backgrounds, iframes, object storage), and how to diagnose lazy loading misconfiguration.
PerformanceHow to Serve Images from Object Storage (OSS/S3) in WordPress
When your WordPress media library outgrows your web server, object storage (S3, OSS, R2) is the practical next step. This guide covers what object storage is, when it makes sense, how to set it up with the right plugin, and how to combine it with WebP/AVIF conversion for a complete image delivery stack.
PerformanceDoes Image Optimization Affect SEO? What Site Owners Need to Know
Image optimization affects SEO through two distinct channels: direct image indexing signals (alt text, structured data, filenames) and indirect page performance signals (LCP, Core Web Vitals). This guide covers what Google actually measures, where WebP and AVIF fit in, and a prioritized checklist for WordPress site owners.
PerformanceWordPress Image Optimization Plugins Compared: ImageIO vs Smush vs ShortPixel vs Imagify
Smush, ShortPixel, and Imagify are the dominant WordPress image optimization plugins — but they all send your images to external servers for processing. This comparison covers what each plugin actually does, how costs scale with image volume, and where KuDesign ImageIO's local conversion approach fits in.
PerformanceCore Web Vitals & Images: How Format Conversion Moves the LCP Needle
Images are the LCP element on 72% of mobile pages. This article explains precisely how WebP and AVIF format conversion affects Largest Contentful Paint, CLS, and INP — with real download-time benchmarks, PageSpeed audit fixes, and a practical guide to deploying the improvement on WordPress without touching your theme.
PerformanceHow Server-Side Format Negotiation Works (and Why It Beats Client-Side Tricks)
There are two ways to serve WebP and AVIF to the right browsers: client-side with the picture element, or server-side via HTTP Accept header negotiation. This article explains how server-side negotiation works at a technical level — Apache and Nginx configuration included — and why it's the more practical approach for WordPress sites with existing content.