Oxford Metadata Ltd

Menu Optimizer is a powerful performance optimization plugin that generates static HTML files for your WordPress menus, dramatically reducing server load and improving page load times.
Real-World Success: This optimization technique helped achieve the first WooCommerce store with a perfect 100/100 mobile score on Google PageSpeed Insights. <a href="https://wp-rocket.me/blog/100-mobile-score-woocommerce/" rel="nofollow ugc">Read the WP Rocket case study</a>
Why Menu Caching Matters
Menu generation requires significant compute time on WordPress and WooCommerce sites. Every page load requires WordPress to: 
* Query the database for menu items 
* Process menu hierarchy 
* Apply filters and hooks 
* Render HTML output
Menu Optimizer eliminates this overhead by pre-generating menu HTML files that are served instantly.
The DOM Size Problem
Google Lighthouse triggers warnings when a page exceeds 1,500 DOM nodes (HTML elements). For e-commerce sites with extensive product categories:
<ul>
<li>A mega menu with 200-300 categories can generate 3,000-5,000+ DOM elements</li>
<li>Each nested menu item multiplies the element count</li>
<li>This exceeds Google’s limits and hurts Core Web Vitals scores</li>
</ul>
Menu Optimizer’s lazy loading keeps your initial DOM size under 1,500 nodes by loading only top-level items (typically 50-100 elements). Submenus load on-demand, maintaining excellent performance.
Key Features
<ul>
<li>Performance Boost – Reduces menu rendering time with static file caching</li>
<li>Multiple Menu Support – Cache and display multiple menus independently on the same page</li>
<li>Horizontal & Vertical Layouts – Supports both menu orientations for flexible placement</li>
<li>Static File Generation – Pre-generates HTML files for instant delivery</li>
<li>Lazy Loading – Top-level items load instantly; submenus load on first hover</li>
<li>Smart Caching – Uses localStorage for even faster subsequent loads</li>
<li>Max Mega Menu Compatible – Fully supports complex mega menu layouts</li>
<li>Easy Integration – Simple shortcode implementation</li>
<li>Translation Ready – Full i18n support with included POT file</li>
<li>CDN Compatible – Works seamlessly with caching plugins and CDNs</li>
</ul>
Performance Benefits
✓ Keeps DOM size under Google’s 1,500-node limit with lazy loading 
✓ Reduces server CPU usage by offloading menu generation 
✓ Decreases Time To First Byte (TTFB) 
✓ Improves Core Web Vitals scores (LCP, CLS, INP) 
✓ Reduces database queries per page load 
✓ Compatible with WP Rocket, W3 Total Cache, and other caching plugins
Perfect For
<ul>
<li>WooCommerce stores with complex category menus</li>
<li>Sites with large mega menus</li>
<li>High-traffic websites</li>
<li>Sites on shared hosting</li>
<li>Performance-critical applications</li>
<li>Stores aiming for 100/100 PageSpeed scores</li>
</ul>
Proven Results
This menu optimization technique was used in a WooCommerce store that achieved a 100/100 Google PageSpeed mobile score.
Learn more: <a href="https://wp-rocket.me/blog/100-mobile-score-woocommerce/" rel="nofollow ugc">WP Rocket Case Study – 100/100 Mobile Score for WooCommerce</a>
<h3>Credits</h3>
Developed by Oxford Metadata Ltd 
Contact: dimitris.vayenas@oxfordmetadata.co.uk
Special thanks to the WordPress community for their valuable feedback and contributions.
<h3>Support</h3>
For support, please visit the <a href="https://wordpress.org/support/plugin/static-menu-cache" rel="ugc">WordPress.org support forum</a> or contact us at dimitris.vayenas@oxfordmetadata.co.uk.
<h3>Privacy</h3>
This plugin: 
* Does not collect any user data 
* Does not make external API calls 
* Does not use cookies 
* Stores cached menu files locally on your server 
* Uses localStorage only for client-side caching (optional)
<h3>Performance Tips</h3>
<ol>
<li>Combine with a caching plugin – Use WP Rocket or similar for full-page caching</li>
<li>Enable lazy loading – The plugin does this automatically</li>
<li>Use a CDN – Serve static menu files from a CDN for global performance</li>
<li>Regenerate regularly – Update cache whenever you modify your menu structure</li>
<li>Customize CSS via Customizer – Use WordPress’s built-in Customizer for menu styling</li>
</ol>
<h3>Technical Details</h3>
File Structure: 
* Top menu file – Loads instantly with page (minimal HTML) 
* Full menu file – Lazy loads on first interaction (complete with submenus) 
* CSS options – None, Max Mega Menu auto-detect, or custom 
* Storage location – <code>wp-content/uploads/menu-optimizer/</code>
Browser Compatibility: 
* Chrome 90+ 
* Firefox 88+ 
* Safari 14+ 
* Edge 90+
Server Requirements: 
* PHP 7.4 or higher 
* WordPress 5.8 or higher 
* Write permissions to uploads directory

Menu Optimizer

Boost site speed with static menu caching. Lazy-load submenus to keep DOM size under 1,500 nodes for better Core Web Vitals.

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VN Speed Optimizer is a comprehensive performance optimization suite designed for high-performance websites worldwide. While it includes specialized routing optimization for challenging network regions (like Vietnam), it delivers lightning-fast speed for any WordPress site globally.
<h4>Core Features</h4>
<ul>
<li>Static HTML Cache – Lightning-fast page delivery with intelligent cache management.</li>
<li>Smart Cleanup – Removes bloat (Emojis, Embeds, Dashicons) and optimizes Heartbeat API.</li>
<li>Social Boost – Optimized delivery for Facebook, TikTok, and Zalo traffic.</li>
<li>Community CDN (Beta) – Join the community network to accelerate content delivery.</li>
<li>Instant Touch – Preloads pages on hover for instant navigation.</li>
<li>Smart SEO & Schema – Auto-generated JSON-LD and Crawl Control to save crawl budget.</li>
<li>WooCommerce Optimizer – Unloads heavy Woo scripts on non-shop pages.</li>
<li>Smart Fonts – Fixes CLS with fallback fonts and localizes Google Fonts.</li>
<li>Smart Media – Cloud Image CDN and auto-compression.</li>
<li>Asset Optimization – Async CSS, Defer JS, Smart JS Delay, and Critical CSS.</li>
<li>Security & Access – Security Headers (XSS protection) and A11Y fixes (Smart Access).</li>
<li>Database Detox – Auto-schedule cleanup for revisions and transients.</li>
<li>YouTube Lazy Load – Replaces heavy iframes with lightweight thumbnails.</li>
</ul>
<h4>Community Acceleration Network (Opt-In Feature)</h4>
Important: This is a peer-to-peer (P2P) network, NOT a traditional CDN like Cloudflare or AWS. Your site will both receive AND serve cached resources to other community members.
When enabled, your site can participate in the VN-Nexus Community Network to share cached resources and help accelerate loading for other community members.
Privacy & Transparency: 
* 100% anonymous participation 
* No personal data collected 
* Requires explicit user opt-in 
* Can be disabled anytime 
* Check your hosting provider’s Terms of Service before enabling (some hosts restrict P2P)
How it works: 
* Your site announces cached resource availability to the network 
* Other sites in the network can request these resources (typically 1-5MB/day for small sites, 10-20MB/day for medium traffic sites) 
* Everyone benefits from faster loading speeds 
* All communication is encrypted and anonymous
Note: This is an experimental community-driven project and not a replacement for commercial CDN services.
<h3>External Services</h3>
This plugin optionally connects to external services when specific features are enabled by the user.
<h4>VN-Nexus Community Network</h4>
Service URL: https://edge.vn-nexus.com
When Used: 
1. Social Boost: Connects to <code>edge.vn-nexus.com/boost/facebook</code> to optimize traffic flow when Social Boost is enabled and social traffic is detected. 
2. Community CDN: Connects to <code>edge.vn-nexus.com</code> (or configured node) to announce/retrieve public assets when Community CDN is enabled.
Data Sent: 
* Anonymous site identifier (MD5 hash of site URL) 
* Region code (derived from WordPress locale) 
* Public asset URLs (CSS/JS/Images) 
* Timestamp
Purpose: 
To enable peer-to-peer content acceleration and regional traffic optimization.
Privacy: 
* No personal data is collected or transmitted 
* Participation is 100% voluntary and opt-in
Privacy Policy: https://vn-speed.ttpdn.com/privacy.html 
Terms of Service: https://vn-speed.ttpdn.com/terms.html
<h4>VN-Nexus License API</h4>
Service URL: https://api.vn-nexus.com AND https://edge.vn-nexus.com/license
Operated By: VN-Nexus Project Contributors (same team that develops this plugin)
When Used: 
When validating PRO features or checking license status in plugin settings.
Data Sent: 
* License Key 
* Site URL 
* Plugin Version 
* Timestamp
Purpose: 
To validate software licenses and deliver feature updates.
Privacy: 
* Only technical data required for validation is sent 
* No personal user data is tracked 
* No content is accessed
Privacy Policy: https://vn-speed.ttpdn.com/privacy.html 
Terms of Service: https://vn-speed.ttpdn.com/terms.html
<h4>Google Fonts / YouTube</h4>
<ul>
<li>Google Fonts: Uses <code>preconnect</code> resource hints.</li>
<li>YouTube: Fetches thumbnails from <code>i.ytimg.com</code> for local caching if Lazy Load is enabled.</li>
</ul>
<h4>Weserv.nl Image CDN</h4>
Service URL: https://images.weserv.nl
When Used: 
When “Smart Image CDN” is enabled and no custom CDN URL is provided.
Data Sent: 
* Image URLs (to be fetched and optimized) 
* Visitor IP (standard HTTP log)
Purpose: 
To compress, resize, and serve images in next-gen formats (WebP) via a global edge network.
Privacy Policy: https://github.com/weserv/images/blob/5.x/Privacy-Policy.md 
Terms of Service: https://github.com/weserv/images/blob/5.x/LICENSE
<h4>VN-Speed Worker API</h4>
Service URL: https://edge.vn-nexus.com
When Used: 
When “Critical CSS” generation is triggered for the homepage or new posts.
Data Sent: 
* Page URL 
* Viewport Dimensions 
* HTML Content (for analysis)
Purpose: 
To generate Critical CSS to eliminate Render-Blocking resources and improve FCP/LCP.
Privacy Policy: https://vn-speed.ttpdn.com/privacy.html 
Terms of Service: https://vn-speed.ttpdn.com/terms.html
<h3>Developer Disclosure</h3>
Service Ownership: 
The VN-Nexus Community Network (edge.vn-nexus.com, api.vn-nexus.com) referenced in this plugin is operated by the same development team that maintains this plugin as an open-source project.
No Commercial Benefit: 
The plugin author does not financially benefit from users enabling Community Acceleration. This is a community-driven performance optimization network provided free of charge.
No Service Lock-In: 
Users can disable Community Acceleration entirely and still access 100% of the plugin’s core optimization features including: 
* Static HTML Cache 
* Asset Optimization (CSS/JS minification, defer, async) 
* Image Lazy Loading 
* Database Cleanup 
* Smart SEO & Schema 
* WooCommerce Optimization 
* And all other performance features
Community Acceleration is a completely optional enhancement and does not restrict access to any core functionality.

VN Speed Optimizer

High-performance optimization suite: Static HTML Cache, Async Assets, LCP Fixer, and Community CDN.

Menu Optimizer vs VN Speed Optimizer