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LEAD CHANGE Day 19 · 2026-07-19

Day 19: Playwright takes the lead.

Playwright overtook Jest to lead the The Test Runner War.

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Context · 2026-07-19
1 PlaywrightLEAD CHANGE 50.6%
2 Jest 38.8%
3 Cypress 7.6%
4 Vitest 3.0%

Methodology

organic mentions · X API

Public X posts only — organic, retweets excluded. Aggregate counts; no user data stored. JSON

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