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Readers spotted that compression was not applied consistently in our React SSR benchmarks. TanStack Start had it disabled while the others had it on. We disabled compression everywhere and re-ran the tests. Here are the corrected results.

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This looks better. Can't wait to see the numbers with some of the perf work we have in the pipeline.

I took a look deeply and couldn’t find a good reason. I would need to do quit expensive profiling. From the look of it.. it seems some issue with cluster.

Same eCommerce app. Same data. Same AWS EKS infrastructure. Same 6 CPU cores. Same 1,000 req/s load. No compression on any framework. Pure SSR throughput, nothing else.