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description wrk Overview

wrk is an open-source command-line tool that measures website loading speed by simulating real browser connections and rendering processes, providing detailed metrics on waterfall analysis and performance bottlenecks.

help wrk FAQ

What is wrk?

wrk is an open-source command-line tool that measures website loading speed by simulating real browser connections and rendering processes, providing detailed metrics on waterfall analysis and performance bottlenecks.

How good is wrk?
wrk scores 8.34/10 (Great) on Lunoo, making it a well-rated option in the Web Pagetest category.
What are the best alternatives to wrk?
See our alternatives page for wrk for a ranked list with scores. Top alternatives include: Vegeta, Bombardier, Hey.
How does wrk compare to Vegeta?
See our detailed comparison of wrk vs Vegeta with scores, features, and an AI-powered verdict.
Is wrk worth it in 2026?
With a score of 8.34/10, wrk is highly rated in Web Pagetest. See all Web Pagetest ranked.

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