feat(blog): Start SSR performance article

[Sheraff]

Summary by CodeRabbit

• Documentation
  • Added comprehensive blog post detailing TanStack Start SSR throughput optimization work, including profiling and measurement approaches, multi-pronged optimization strategies, benchmarking methodology, concrete patterns, performance improvements with specific results, and instructions for reproduction.

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📝 Walkthrough

Walkthrough

A new comprehensive blog post documenting profiling and optimization efforts to increase SSR throughput in TanStack Start, including methodology, code patterns, benchmarking approaches, optimization strategies, and quantified performance improvements with supporting evidence.

Changes

Cohort / File(s)	Summary
Blog Post – SSR Optimization src/blog/tanstack-start-5x-ssr-throughput.md	Comprehensive blog post detailing optimization strategies for SSR throughput, including URL parsing reduction, SSR reactivity elimination, server-only fast paths, and object shape preservation. Includes measurement methodology, code examples, benchmark instructions, and quantified results.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~15 minutes

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🐰 A tale of throughput so bright,
Where SSR loops take flight,
With flamegraphs deep and benchmarks true,
Five times faster—hippity-hoo!
Optimization's what rabbits do. 🚀

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title 'feat(blog): Start SSR performance article' clearly and specifically describes the main change: adding a blog post about SSR performance optimization in TanStack Start.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing Touches

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📝 Coding Plan

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[chatgpt-codex-connector]

Add required excerpt to blog frontmatter

This post omits an excerpt field in its frontmatter, but the posts schema requires excerpt: z.string() in content-collections.ts; that makes this document invalid for the content collection pipeline and can break blog generation/routes that rely on post.excerpt. Please add an excerpt string to the frontmatter so the post can be parsed like the other blog entries.

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