Most WordPress themes come with some form of enhanced navigation built in. Avada has its mega menu system. Divi has its own header builder. Elementor has a nav widget. These are capable tools, and they’re deeply integrated with their respective ecosystems.
The problem is that integration cuts both ways.
What you gain from theme-bundled navigation
Theme-bundled navigation is fast to set up. The menu matches the theme’s visual style automatically. You don’t need to configure compatibility between a plugin and a theme because they’re the same product. For users who want to get something working quickly and don’t anticipate changing themes, this is a reasonable approach.
What you give up
When your navigation is bundled into your theme, it’s tied to that theme’s lifecycle. If the theme stops being maintained — and eventually, most themes stop being maintained — your navigation goes with it. If you want to switch to a newer theme, you either rebuild your navigation from scratch or stay locked to the old theme longer than you’d like.
Theme builders also tend to prioritize their own ecosystem. A mega menu system built into an Elementor theme is optimized for Elementor workflows. If you want to move away from Elementor, the navigation is one more thing holding you back.
The case for a standalone plugin
A dedicated navigation plugin is theme-agnostic by design. It’s tested to work across many themes, not optimized for one. When you switch themes — for a redesign, for performance, for any reason — your navigation comes with you. You configure it once and it keeps working.
Standalone plugins also tend to iterate faster on navigation-specific features. A theme builder has to balance navigation improvements against layout features, performance, e-commerce integration, and everything else. A plugin focused entirely on navigation can go deeper.
The portability argument
Consider what it costs to rebuild navigation from scratch. For a site with a complex mega menu structure — multiple column layouts, image links, content feeds, custom icons — that’s hours of work. A standalone plugin makes that investment portable. The theme-bundled approach makes it disposable.
Ruby Mega Menu integrates with WordPress’s native menu system, which means your menu structure lives in WordPress’s own database — not inside a theme’s settings. Switch themes, keep your menus. The plugin handles the rendering; WordPress handles the structure.
For sites that take their navigation seriously, this is the right architecture. Navigation is infrastructure, and infrastructure should outlast the design decisions around it.