Testing for your Next.js project
Expert testing for Next.js applications. We find and fix Next.js-specific bugs and performance issues that affect production apps. From $19.
Next.js testing issues we find
Common testing problems specific to Next.js applications.
Missing ISR/SSG configuration
Pages that should be statically generated are server-rendered on every request, causing unnecessary load and slower responses.
Hydration errors
Server/client rendering mismatches from date formatting, conditional rendering, or accessing browser APIs during SSR.
Improper data fetching patterns
Client-side fetching where server components could be used, or waterfall requests that load data sequentially instead of in parallel.
Missing error.tsx and loading.tsx
No error or loading boundaries at route segments, causing poor user experience during navigation.
What our Next.js testing covers
Unit tests
Tests for individual functions, utilities, and business logic. Catch bugs at the smallest level.
Component tests
Tests for React components — rendering, user interactions, state changes, and edge cases.
Integration tests
Tests for API endpoints, database operations, and multi-step workflows.
End-to-end tests
Full user flow tests that simulate real user behavior — signup, purchase, and critical paths.
Test infrastructure
Setting up Jest, Vitest, Playwright, or Cypress with proper configuration and CI integration.
CI/CD integration
Running tests automatically on every push so broken code never reaches production.
AI tools that generate Next.js code
Start with a self-serve audit
Get a professional testing of your Next.js project at a fixed price.
External Security Scan
Black-box review of your public-facing app. No code access needed.
- OWASP Top 10 vulnerability check
- SSL/TLS configuration analysis
- Security header assessment
- Expert review within 24h
Code Audit
In-depth review of your source code for security, quality, and best practices.
- Security vulnerability analysis
- Code quality review
- Dependency audit
- Architecture review
- Expert + AI code analysis
Complete Bundle
Both scans in one package with cross-referenced findings.
- Everything in both products
- Cross-referenced findings
- Unified action plan
100% credited toward any paid service. Start with an audit, then let us fix what we find.
How it works
Tell us about your app
Share your project details and what you need help with.
Expert + AI audit
A human expert assisted by AI reviews your code within 24 hours.
Launch with confidence
We fix what needs fixing and stick around to help.
Frequently asked questions
Do you offer testing for Next.js projects?
Yes. We provide testing specifically tailored to Next.js applications. We understand Next.js's ecosystem and the common issues that need attention before production use.
What Next.js testing issues do you typically find?
Common testing issues in Next.js projects include: missing isr/ssg configuration, hydration errors, improper data fetching patterns, missing error.tsx and loading.tsx. We identify and fix all of these.
How do I get started with Next.js testing?
Start with our code audit ($19) to get a clear picture of your Next.js project's testing needs. We'll provide a prioritized report and a fixed quote for any follow-up work.
How much does Next.js testing cost?
Start with our code audit at $19 to get a prioritized report of issues. From there, testing work is scoped with a fixed quote based on your project's specific needs. No hourly billing or surprises.
Related resources
Need Next.js testing help?
Tell us about your project. We'll respond within 24 hours with a clear plan and fixed quote.