Stop shipping performance regressions
PerfGuard runs automated Lighthouse audits on every deployment, compares Core Web Vitals against your baseline, and blocks deploys that hurt your users.
LCP
Largest Contentful Paint
CLS
Cumulative Layout Shift
FID
First Input Delay
Simple pricing
Pro
$11
/month
- ✓Unlimited Lighthouse audits
- ✓Core Web Vitals baseline tracking
- ✓Webhook to block CI/CD deploys
- ✓Slack & email alerts
- ✓Up to 10 projects
- ✓Historical performance charts
FAQ
How does it integrate with my CI/CD pipeline?
PerfGuard provides a webhook URL you add to your deployment workflow. After each deploy, it runs a Lighthouse audit and returns a pass/fail status your pipeline can act on.
What counts as a performance regression?
You set custom thresholds per metric (LCP, CLS, FID, TTFB). Any deploy that exceeds your defined limits is flagged and can automatically block the deployment.
Does it work with platforms other than Next.js?
Yes. While optimized for Next.js, PerfGuard works with any publicly accessible URL — React, Vue, Nuxt, or plain HTML sites all work seamlessly.