42 lines
7.9 KiB
HTML
42 lines
7.9 KiB
HTML
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<title>Blazor Server Performance Optimization: Real-World Techniques | Indotalent Blog</title>
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<nav aria-label="Breadcrumb" class="pt-20 bg-white border-b border-gray-100"><div class="max-w-4xl mx-auto px-4 sm:px-6 lg:px-8 py-2.5"><ol class="flex items-center gap-1.5 text-xs text-gray-400"><li><a href="../index.html" class="hover:text-brand-500">Home</a></li><li><span class="text-gray-300">/</span></li><li><a href="index.html" class="hover:text-brand-500">Blog</a></li><li><span class="text-gray-300">/</span></li><li><span class="text-gray-600 font-medium">Blazor Performance</span></li></ol></div></nav>
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<div class="flex items-center gap-2 mb-3"><span class="text-xs font-semibold bg-blue-50 text-blue-700 border border-blue-200 rounded-full px-2.5 py-0.5">Blazor Server</span><span class="text-xs text-gray-400">April 2026 · 7 min read</span></div>
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<h1 class="text-3xl sm:text-4xl font-extrabold text-gray-900 mb-4">Blazor Server Performance Optimization: Real-World Techniques</h1>
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<div class="bg-green-50 border border-green-200 rounded-xl p-4 mb-8"><p class="text-sm text-green-800 font-semibold mb-1">TL;DR</p><p class="text-sm text-green-700">Four techniques that cut rendering overhead by 50%+: ShouldRender overrides, MudBlazor virtualization, EF Core no-tracking queries, and server-side pagination. All Indotalent products ship with these baked in.</p></div>
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<p>Blazor Server's SignalR-based architecture means every UI interaction involves a network round-trip. While this is fast on local networks or within the same datacenter, applications must be optimized for scenarios with higher latency or large datasets.</p>
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<h2>1. ShouldRender() Overrides</h2>
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<p>By default, Blazor re-renders a component when any of its parameters change. For components with complex rendering trees, override <code>ShouldRender()</code> to return false when no visual change is needed. This can cut rendering overhead by 50%+ in data-heavy pages.</p>
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<h2>2. Virtualization</h2>
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<p>MudBlazor's <code>Virtualize</code> component renders only the visible rows in a list. For grids with 10,000+ rows, this reduces DOM nodes from thousands to dozens, keeping the UI responsive even with massive datasets.</p>
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<h2>3. EF Core No-Tracking Queries</h2>
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<p>Read-only queries should use <code>.AsNoTracking()</code> to avoid EF Core's change tracking overhead. This can improve query performance by 30-50% for list views, dashboards, and reports.</p>
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<h2>4. Server-Side Pagination</h2>
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<p>Never load entire tables into memory. Implement pagination at the database level using <code>.Skip()</code> and <code>.Take()</code>. MudBlazor's data grid supports server-side pagination out of the box with its <code>ServerData</code> property.</p>
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<h2>Key Takeaways</h2>
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<ul><li>Override ShouldRender() to cut rendering overhead by 50%+</li><li>Use MudBlazor virtualization for large datasets</li><li>Apply AsNoTracking() for all read-only EF Core queries</li><li>Implement server-side pagination — never load full tables</li></ul>
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</article>
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<div class="mt-10 p-6 bg-gradient-to-r from-orange-50 to-amber-50 border border-orange-200 rounded-2xl"><p class="text-sm text-gray-700 font-semibold mb-2">See optimized Blazor code</p><p class="text-sm text-gray-600 mb-4">All Indotalent products ship with these optimizations. $21 each.</p><a href="../index.html#products" class="btn-primary text-sm">Explore Products</a></div>
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