SvelteKit 2 vs Hono + htmx

Real-world performance comparison based on identical SaaS dashboard implementations.

SvelteKit 2

SvelteKit 2

VPS

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The official Svelte application framework, combining Svelte's compile-time magic with a powerful routing and rendering system. SvelteKit compiles your components to surgical DOM updates with no virtual DOM overhead. Features file-based routing with layouts, server-side rendering, static prerendering, and streaming. Load functions provide type-safe data loading with automatic request deduplication. Form actions handle progressive enhancement elegantly. SvelteKit apps are remarkably small—the compiler eliminates unused code and the runtime is minimal. Ideal for developers who want React-like DX with significantly better performance characteristics.

Hono + htmx

Hono + htmx

VPS (Deno)

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Ultrafast web framework meets hypermedia, running on Deno. Hono is a tiny (14KB), ultrafast web framework that runs everywhere. This variant uses Deno runtime for secure-by-default execution and native TypeScript support. Combined with htmx for HTML-over-the-wire interactivity, Hono on Deno produces minimal bundles while maintaining full interactivity—all without a JavaScript framework.

Performance Metrics

Lower is better for all metrics. Green indicates the faster framework.

Metric SvelteKit 2 Hono + htmx Winner
TTFB (p50) 44.55ms 0ms ▶
TTFB (p95) 48.19ms 0ms ▶
LCP (p50) 82ms 0ms ▶
LCP (p95) 95ms 0ms ▶
CLS 0 0 =
TBT 0 ms N/A -
LCP → TTFB 175 ms N/A -
LCP → Load Delay 0 ms N/A -
LCP → Load Duration 0 ms N/A -
LCP → Render Delay 523 ms N/A -
Performance Score 98 N/A -
SEO Score 83 N/A -
Accessibility Score 86 N/A -
Best Practices Score 100 N/A -

LLM Understanding (Claude Opus 4.5)

How efficiently Claude Opus 4.5 understands the codebase. Based on exploration + validation tests.

Metric SvelteKit 2 Hono + htmx Winner
Exploration Time 4268ms N/A -
Exploration Tokens 4454 N/A -
Files Examined 12 N/A -
Validation Accuracy 91% N/A -
Time Per File 356ms N/A -
Tokens Per File 3019 N/A -
Efficiency Score 28.51 N/A -

LLM Understanding (Claude Haiku 4.5)

How efficiently Claude Haiku 4.5 understands the codebase. Based on exploration + validation tests.

Metric SvelteKit 2 Hono + htmx Winner
Exploration Time 2252ms N/A -
Exploration Tokens 4502 N/A -
Files Examined 12 N/A -
Validation Accuracy 82% N/A -
Time Per File 188ms N/A -
Tokens Per File 3010 N/A -
Efficiency Score 37.63 N/A -

Build Metrics

Metric SvelteKit 2 Hono + htmx Winner
Bundle Size (JS) 176.2KB 47KB ▶
Bundle Size (CSS) 23.6KB 0KB ▶
Build Time 0s 0s =
Dependencies 19 2 ▶

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