We are happy to share great news: PFLB was rated number one in Goodfirms’ rating among Software Performance Testing companies. The rating is based on reviews and evaluations by members of international IT and business societies. We are also first among load testers!
We are grateful to our customers, partners, and, last but not least, to our team: technical specialists, engineers, and other employees who support all our projects throughout their lifecycle.
Yurii Kovalov
Founder and General Manager of PFLB
About PFLB
PFLB is a leading performance testing company based in the US. It has successfully completed more than 300 major load testing projects and is SOC 2 Type 2 compliant.
PFLB employs more than 450 specialists, and its clients include some of the biggest banks, retail companies, telecommunications providers, and many other organizations.
Related insights in blog articles
Internet of Things Testing: Benefits, Best Practices, & Tools for Reliable Connected Systems
IoT is an ecosystem of devices connected through networks and relying on cloud or app services for endless communication, data exchange, and smart automation. For this ecosystem to work seamlessly 24/7, it heavily depends on IoT testing. Apart from impeccable performance, the latter guarantees the reliability, protection, and integrity of diverse devices, networks, apps, and […]
Swagger API Testing: What It Is, How It Works, and Best Practices for QA Teams
Testing APIs without proper documentation can feel like walking through fog — every endpoint is a guess, every parameter a risk. But not with Swagger UI API testing. Swagger turns static API definitions into a live, interactive interface where developers and QA teams can validate endpoints, check request/response schemas, and explore the system in real […]
BlazeMeter vs. JMeter: Full Comparison
Ever wondered whether you should stick with Apache JMeter or move your tests to BlazeMeter? Both tools are powerhouses in performance and load testing, but they serve different needs. JMeter is an open-source desktop tool under the Apache 2.0 license; ideal for local or distributed testing across HTTP, APIs, JDBC, and more. BlazeMeter, on the […]
Endurance Testing: What It Is, Types & Examples
When performance engineers talk about endurance testing, they usually mean soak testing — a long-duration performance test that keeps the system under a steady, realistic workload for hours or even days. It’s designed to uncover what short stress or load tests can’t: slow memory leaks, growing queues, or throughput that quietly drops overnight. By tracking […]
Be the first one to know
We’ll send you a monthly e-mail with all the useful insights that we will have found and analyzed
People love to read
Explore the most popular articles we’ve written so far
- Top 10 Load Testing Tools for 2025: The Deep Dive Sep 9, 2025
- Cloud-based Testing: Key Benefits, Features & Types Dec 5, 2024
- Benefits of Performance Testing for Businesses Sep 4, 2024
- Android vs iOS App Performance Testing: What’s the Difference? Dec 9, 2022
- How to Save Money on Performance Testing? Dec 5, 2022