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Meridian Labs caught a 700ms LCP regression on the first deploy.
Meridian Labs builds a popular design collaboration SaaS used by 40,000 product teams. Before PagePulse, performance regressions shipped to production silently and were only discovered weeks later when churn ticked up. With PagePulse, every release is benchmarked against the previous one in real time.
Key result
10x
faster regression catches
“PagePulse caught a 700ms LCP regression on the very first deploy after install. The whole team now ships performance reviews alongside code reviews.”
Day 1
LCP regression caught
5 min
Mean time to detect
Up 3x
Releases per week
Down 84%
Customer-reported perf issues
Challenges
- 01Performance regressions were discovered weeks after shipping, when churn metrics ticked up.
- 02No automated before/after comparison between releases meant manual sampling with Lighthouse.
- 03Frontend engineers had no visibility into real user experience on mid-range devices.
Solutions
- 01Installed the @pagepulse/web SDK in under 2 minutes via the Next.js package.
- 02Tagged every deployment with version, commit, and environment using markDeployment.
- 03Set a 2.5s LCP budget on every route with Slack alerts on breach.
Outcomes
- 01Caught a 700ms LCP regression on the very first deploy after install.
- 02Reduced mean time to detect a regression from 14 days to 5 minutes.
- 03Increased release cadence 3x without compromising performance.
- 04Reduced customer-reported performance issues by 84% in 6 months.