Mindshare › The Test Runner War › Week 31
The Test Runner War Week 31 · closed 2026-07-31 · 23:59 UTC Frozen weekly close — final

Jest has taken the lead.

Week 31 closed 2026-07-31. Jest won with 47.4%.

1 week at #1 · 766 posts tracked
Post on XDownload card
Final standings · Week 31
1 JestW31 Winner 47.4%
2 Playwright 39.0%
3 Cypress 9.0%
4 Vitest 4.6%

Methodology

organic mentions · week · X API

Public X posts only — organic, retweets excluded. Weekly SoV% = each row's week-total ÷ the board's week-total. Aggregate counts; no user data stored. This is a frozen result: the numbers above are locked forever, computed once from the week's stored days.

Part of The Test Runner War (live) · JSON

‹ Week 30Live board →
More races: The JS Runtime WarThe Framework Forever-WarThe Meta-Framework RaceThe Python Packaging CoupThe Systems Language TribesThe ORM DuelAll boards →