We help teams simulate real traffic, prevent failures, and ship new features with confidence.
5.0
Performance testing services
We simulate peak traffic on e-commerce sites, SIP lines, APIs, and enterprise systems, then analyze performance to pinpoint bottlenecks you can fix.
Load testing platform
We provide performance engineers with cloud-based load testing infrastructure for JMeter and AI-powered performance analysis.
Data Masking
Protect sensitive data for testing and B2B data sharing. Mask sensitive information to prevent unauthorized access.
Headquartered in Delaware and operating in 25+ countries, PFLB unites 500+ performance engineers on a mission to become the #1 performance engineering company, where reliability is guaranteed.
We partner with global leaders acr oss ecommerce, banking, utilities, oil & gas, healthcare, and technology, delivering managed services, performance projects, and subscriptions to our load-testing platform.
Our clients' true stories
Benchmark Testing Case Study: How PFLB Validated Chainguard…
Chainguard specializes in providing highly secure Docker container images — regularly updated, tightly managed,
Read full case
From Weeks to Hours: Accelerating Data Masking and Enabling Easy B2B…
A leading bank, ranked among the top 20 in its market, provides services to millions of customers daily. Staying at...
Read full caseWe smoothly moved over 100 JMeter projects to PFLB, and it's been a total game changer. It's given our team of 50+ remote performance engineers the ability to handle large-scale load tests every day with real ease.
We smoothly moved over 100 JMeter projects to PFLB, and it's been a total game changer. It's given our team of 50+ remote performance engineers the ability to handle large-scale load tests every day with real ease.
Alex Makarov
Principal Performance Engineer,
Performance Lab
We smoothly moved over 100 JMeter projects to PFLB, and it's been a total game changer. It's given our team of 50+ remote performance engineers the ability to handle large-scale load tests every day with real ease.
Alex Makarov
Principal Performance Engineer,
Performance Lab
We smoothly moved over 100 JMeter projects to PFLB, and it's been a total game changer. It's given our team of 50+ remote performance engineers the ability to handle large-scale load tests every day with real ease.
Alex Makarov
Principal Performance Engineer,
Performance Lab
5.0
Get clear answers on performance risks, costs, and next steps for your system.
Typical reply time: <4h.
Vik Kuvshinov
Co-founder and Head of Product
Yuri Kovalov
Co-founder and CEO
Request a personalized proof of concept, get a free load testing consultation, explore pricing, and learn from PFLB client cases.
We smoothly moved over 100 JMeter projects to PFLB, and it's been a total game changer. It's given our team of 50+ remote performance engineers the ability to handle large-scale load tests every day with real ease.
Alex Makarov
Principal Performance Engineer, Performance Lab