FLB is for Performance

We provide teams with a cloud-based performance testing platform and exceptional engineering services

Check our services Learn about the platform

Why Performance?


of enterprises conduct performance testing to prevent crashes and failures of mission-critical systems


of users expect software is running fast


of users abandon slow-performing websites and mobile apps


of companies are about to optimize software performance to reduce cloud-resources cost
How the most successful companies operate
Know business scaling plans
Identify software performance targets
Test the application performance continuously
Optimize the system performance
Pinpoint the performance bottlenecks early

Our job is to make you ready for the expected workload.

That is not a path, it’s an ongoing cycle.

You may need a powerful tool and an experienced partner to make the best of it.

PFLB Platform

Cloud-based performance testing tool to check how your website or app is handling the load before go-Live
Designed for tech teams addicted to continuous performance testing

Let’s see the key advantages

  1. Get ready to launch
    and scale

    The PFLB platform will
    help you to make sure your
    application withstands a load

  2. Push the performance limits
    of your application

    You will be able to analyze system behavior under load and eliminate performance bottlenecks

  3. Run scenario-based load tests
    from the cloud

    You will create a realistic workload by
    using geo-distributed virtual users
    in the PFLB platform

Learn more about the Platform or simply Book a demo

PFLB Service

Are projects in which our experienced performance engineers determine whether your website or application will withstand the expected load
Developed for a QA leaders that has specific problems and need a smart partner in solving them

Explore challenges we’re best at solving

Application Go-Live


Maximize your launch success. Pre-release performance testing ensures your app or product update handles surges seamlessly, safeguarding your reputation and business continuity.

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Black Friday


Simulate high traffic and offers. Identify and address bottlenecks for a smooth and lucrative Black Friday online shopping experience.

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Cloud cost optimization


Maximize ROI by optimizing code with PFLB's performance testing. Reduce redundancies, ensuring cost-effective cloud infrastructure.

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Hardware sizing


Evaluate system performance against chosen hardware. Our tests guide recommendations for peak performance and cost-effectiveness.

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Software validation


Ensure top-notch performance for new software. Trust us for robust software validation processes that guarantee customer acceptance.

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System migration


Smooth transitions with minimal failures. Simulate user behavior, analyze old systems, and ensure optimal performance during migration.

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Learn more about system’s solutions
Or hear how we work with different systems and platforms considering its specific, and simply Get a quote
Let us know about your needs
We can give you an access to the platform, we can provide multiple services, we can do all of it if the situation needs a far more complex approach.
Get a quote You’ll hear back from our tech account manager in one day if not sooner

We're a great fit for both startups and enterprises. Working with us, you’ll access our global performance engineering knowledge base.

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Let’s hear from our clients
Communication services
Media and telecom
Software Evgeny Nasonov

PFLB’s performance testing was instrumental in resolving all performance issues pre-launch. Their seamless collaboration, skilled team, and timely delivery are commendable.

Evgeny Nasonov
COO at Diffco US, Inc
Insurance Our client

PFLB conducted extensive load testing on our software, simulating high user loads to evaluate performance, identify bottlenecks, and optimize the system’s responsiveness. Finally, they provided actionable recommendations to improve scalability and optimize resource utilization.

Our client
Insurance company
Healthcare Pankaj Mor

PFLB’s rapid load testing was a lifesaver on our tight launch deadline. Their expertise ensured our site could handle high sales seamlessly. Highly recommended!

Pankaj Mor
Tynor’s Chief Information Officer
Communication services Our client

PFLB’s load testing expertise played a critical role in uncovering performance limitations and bottlenecks in our educational platform project. Their meticulous approach and ability to adapt the testing methodology led to valuable insights, ensuring informed decisions for the project’s future development.

Our client
Communication services company
Communication services
Media and telecom Our client

PFLB’s expertise in Wi-Fi load testing for in-flight entertainment systems proved invaluable. Their innovative approach and problem-solving skills led to the discovery of critical issues, ensuring passenger satisfaction and avoiding reputational harm.

Our client
Media company
Media and telecom
IT Luc Richner

PFLB professional services are absolutely amazing! They really come through for us when we’re struggling with performance issues.

And it’s not just about testing – they go the extra mile to help us tune things up and save money on our cloud expenses.

Luc Richner
CEO, Cannavigia
Take a look
at the company
We are a diverse team of engineers in the field of performance testing, front-end performance optimization, SQL-tuning, database configuring, hardware setup, Java profiling and code review.
A few facts for number lovers
in Silicon Valley
years of team
performance testing
projects a year
success rate
Want to know more?
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Try Platform
Test your website performance in 10 minutes or ask for a persuasive demo session
Find a Service
Pick up a solution for your business on a free 30 minute consultation with our expert
Get a quote You’ll hear back from our tech account manager in one day if not sooner.
Dive in our knowledge base
Mobile App
Core Banking
14 min read
Top 12 Best Online Load Testing Tools 2024
Feb 28, 2024

In this article, we will go through our favourite features of each of these cloud-based load testing tools, while in the end you will find a parameterized comparison of all of them in one table.

12 min read
How to Speed Up a Website — Part 1
Feb 16, 2022

We have a lot of experience in the field of web performance optimization, so we would like to share with you our best practices for solving such problems. In this part of the article, we will cover how to test a website on the WordPress platform, give you useful tools and important metrics for website testing. Additionally, we will shed light on site performance optimization.

10 min read
X Reasons to Start Website Testing
Feb 7, 2022

One of the best ways to eliminate these errors is to establish a comprehensive system for identifying them before they hurt your website. Testing the features of your website, before its launch, can increase the confidence of your users in your brand. In this article, we discuss the primary reasons why testing is an essential step that influences the success of your website.

7 min read
Best Emulators for Mobile App Load Testing
Mar 1, 2023

iOS and Android emulators are software that simulate real devices and are often used for mobile app performance testing. An emulator can demonstrate how an app will operate on various types of devices and under different OS releases.

9 min read
Types of Mobile Testing: How to Choose Right for Your App
Feb 21, 2022

Mobile testing helps mobile app developers maximize the performance of these applications. With that said, mobile testing is not a one step-operation, but rather a procedure of iterative steps that tailor the application according to user requirements.
In this article, we will discuss multiple types of mobile testing and discuss the goals and benefits of each given testing procedure.

6 min read
Contact Сenter and IVR Performance Testing
May 28, 2021

Modern contact centers are often complex systems that involve close interaction between IVR, customer relation management (CRM), and many other services. Therefore, besides testing the performance of IVR itself and telephone communication channels, PFLB offers comprehensive testing services that allow you to evaluate the performance of both overall and individual services and to identify the influence of system components on each other.

3 min read
Load Testing Tools for IVR Systems
Mar 20, 2019

Around the world, JMeter and LoadRunner remain some of the most popular tools for load testing. These are truly excellent tools and most performance engineers use them.
When choosing load testing tools the main question is whether the tool supports all the required protocols? When it comes to HTTP, the selection of tools is enormous, including excellent cloud solutions that make it possible to create a load simultaneously from different points on the planet. For less common protocols the number of suitable tools shrinks considerably. In these cases, the indisputable leader is LoadRunner, an HP product and the de facto standard in the enterprise segment.

6 min read
How to Scale Your SaaS or aPaaS Business Effectively
Jan 11, 2023

Cloud-based solutions are getting more and more popular every year, and revenue in the public cloud market is projected to reach US$525.60bn in 2023. More than half of this market is represented by SaaS and aPaaS businesses, and the demand is increasing every year. We have seen such businesses as Slack or Zoom expand recently, but others will eventually have to do so, too. In this blogpost, we want to share our vision of what is primarily important when scaling your SaaS or aPaaS business.

2 min read
PFLB and HeadSpin Are Taking Mobile Application Testing to a New Level
Jul 20, 2021

PFLB has announced collaboration with HeadSpin, USA, to implement projects in the field of automation, functional and load testing of mobile applications. PFLB will deliver a unique solution to the market. It can and should be used for remote testing of mobile applications on real devices built to meet the needs of customers. A special software and hardware complex from HeadSpin can be installed anywhere in the world and integrated with automation services for functional and load testing of mobile applications.

Case Study
9 min read
Comparative Load Testing of a DBMS for SAP BW in Retail
Feb 12, 2020

Our customer, a regular PFLB client and one of the largest retail chains, uses the SAP BW platform to perform this analysis. A few years ago, they decided to make it more efficient by selecting the fastest database management system (DBMS).

5 min read
SAP Load and Performance Testing Using Loadrunner
Mar 15, 2022

SAP ERP (Enterprise Resource Planning) is an enterprise resource management software that covers the work of an entire company. SAP is the market leader in enterprise application software, helping companies of all sizes and in all industries run at their best: SAP customers generate 87% of total global commerce. If this is the case in your company, you might have started asking yourself how to test your SAP’s performance and which tools to choose. In this article, we will share the basics of how we test SAP ERP with Loadrunner.

6 min read
An Introduction to SAP Testing
Nov 2, 2020

In today’s market, ERP plays an immense role in the success of medium and large aenterprises. All businesses rely on ERP software to carry out their daily operations and enhance business workflows.

Implementing these systems is not easy, especially if you are using SAP, one of the most advanced ERP solutions in the market. One must configure the different SAP modules to deliver the relevant features. So an implementation of any SAP module requires some kind of testing. In this article, we will discuss what SAP testing is and explain its importance

Case Study
6 min read
Load Testing for SAP Applications
Feb 14, 2020

As any enterprise expands, to ensure the platform’s reliability our customer hired PFLB to conduct load testing.

PFLB’s work helped the client make an informed decision about deploying the system into a production environment. Performance optimization based on an analysis of the test results reduced the time required to complete the main logistics business scenario by more than 2 times and increased the speed of individual transactions by up to 8 times.

Case Study
11 min read
Performance Testing for Massive Bank Systems: Our Experience
Nov 24, 2021

PFLB has recently started testing a large-scale banking system. It was extremely difficult to organize a well-established testing process, so we’re sharing our ideas for you not to reinvent the wheel.

Case Study
8 min read
Core Banking System Test Automation
Feb 12, 2020

PFLB offers expertise services on automated testing of the core Banking System improving the quality of the product and allowing the customers to keep time frames and costs under control.

9 min read
Banking Application Testing: Benefits & Use Cases
Sep 4, 2019

As a rule, software testing has a unified set of principles and standards that stay true for all industries. However, there are a few areas that require extra dedication and commitment as well as attention to security issues. In the banking domain it is especially necessary. If you don’t know how to approach banking application […]

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Try Platform
Test your website performance in 10 minutes or ask for a persuasive demo session
Find a Service
Pick up a solution for your business on a free 30 minute consultation with our expert
Get a quote You’ll hear back from our tech account manager in one day if not sooner.