Gatling's resources: Guides, docs and tools for better load testing

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Guides

Getting started with Gatling

Install Gatling

Create a simulation with Java

Create a simulation with JavaScript

Create a simulation from Postman

Create a simulation with the Recorder

Create a simulation in the GUI

Going further

Scripting options

Writing realistic tests

Postman-based load tests

Debugging

Passing parameters

Grouping Feeder records

Generate synthetic test data

AWS S3 Feeders

AWS Secrets Manager

Use cases and protocols

Basic authentication

Testing gRPC

Testing MQTT

Testing WebSocket

Load test a Kafka server

Test a Docker-based app

Test server-sent events

Set up automations and CI/CD

GitHub Actions integration

Gitlab CI/CD integration

Configuration-as-code

Understanding tests and data visualization

Understanding load tests

Videos & Webinars

Upcoming sessions

No items found.

Previous sessions

Testing session

Easily deploy and test your AI application

Access replay

Product Demo

Intro to quick test creation with our visual editor

Access replay

Testing Session

Create tests from Postman collections

Access replay

GUIDE

Automate Load testing with Gatling & Gitlab CI

Access replay

Testing Session

Stream your load tests into Datadog

Access replay

Live test

Intro to MQTT protocol

Access replay

Testing Session

Intro to gRPC protocol

Access replay

Product demos

Live Demo: Deeper performance insights with Multiple Run Comparison

Access replay

Product demos

Customize no-code tests with code with Export

Access replay

Talks & Conferences

Our upcoming talks 
and conferences

Friday, September 26, 2025

Gatling @DevOpsDays London (UK 🇬🇧)

Discover the event

Tuesday, September 23, 2025

Gatling & Sopra Steria @Nantes Digital Week (France 🇫🇷)

Discover the event

Sunday, September 21, 2025

Gatling & Intuit @StarWest Anaheim (USA 🇺🇸)

Discover the event

Previous talks

Wednesday, April 16, 2025

Gatling & Bedrock Streaming @DevoxxFR (France 🇫🇷)

Discover the talk

Tuesday, June 17, 2025

Gatling & Canal+ @JFTL (France 🇫🇷)

Discover the talk

E-BOOK & WHITEPAPERS

E-book and whitepapers

Gatling Enterprise Edition performance testing tech stack

E-Book

Gatling Enterprise Edition performance testing tech stack

Download the ebook

Customer stories

Transportation

How an airline implemented shift-left testing

million+ daily visits

Shift-left

implementation

Read the story

NGO

How a famous Non-Governmental Organization maintains a high-level application performance

3.5M+

website visits on a monthly average

2,000+

visitors per second

Read the story

Retail

How a billion-dollar e-commerce business built a performance testing framework from scratch

500+

tests and 100+ distinct simulations per month

1,300+

load tests

Read the story

Transportation

How SNCF Connect & Tech increased developer autonomy

tests to evaluate performance and compare results

25+

million downloads of the SNCF Connect & Tech application

Read the story

Software

How a scaleup ensured performance, avoided crashes, and managed high user volume

15,000+

customers, 100+ countries covered

200+

deploys per month, 150 commits per day

Read the story

Software

How an adtech company enhanced its performance infrastructure

Read the story

Software

How an AI company enhanced its performance infrastructure

150-300

ms reduced response time

10x

more user capacity

Read the story

Retail

How Interdiscount prepared Black Friday traffic

Read the story

Software

TRAY boosts enterprise POS system efficiency and reliability

200%+

in API responses

90%

reduced Response times

Read the story

Travel and tourism

How TUI enhances real-time performance with Gatling

95%

shorter response time

different simulations Over 100k RPs

Read the story

Software

How Korem enhanced performance across multiple systems

Read the story

Retail

How Sonepar ensured optimal e-commerce platform performance

Read the story

Software

How AidenAI delivers high-performance apps at scale

150-300ms

response time

10,000 - 12,000

concurrent users

Read the story

Retail

How Popken Fashion Group secured seamless cloud migration

250

Concurrent users simulated with over 100k total requests

99.9%

Of global requests achieved a response time of 1,143ms or less

Read the story

Software

How Tape à l’œil protects digital performance during retail peaks

Read the story

Broadcasting

How JioStar tackled rapid traffic surges and optimized performance testing

30M

Concurrent users supported

+15M

Concurrent users in 90s

Read the story

Software

How Sophos scales backend API performance testing across teams

Read the story

Blog

See all

Unleashing JavaScript for WebSocket load testing

Learn how Gatling's JavaScript SDK enables WebSocket testing for AI chatbots, ensuring performance and reliability at scale for real-time user experiences.

JavaScript load testing with Gatling: The complete guide

Learn how to use Gatling’s JavaScript SDK to write scalable load tests in JavaScript and TypeScript. Explore best practices, CI/CD integration, and performance testing for web apps.

What is test-as-code?

Discover how Gatling brings test-as-code to performance testing with a powerful DSL, CI/CD integration, and scalable load testing tools.

Shift-right testing with load testing metrics

Discover how shift-right testing with real load metrics uncovers production issues traditional tests miss. Learn best practices, risks, and observability to enhance performance with Gatling.

What is GitOps? A developer's guide

Learn GitOps: the game-changing approach that uses Git to automate infrastructure deployments. From disaster recovery to enterprise success stories.

Performance testing maturity: A comprehensive guide

Industry-proven performance testing maturity guide. Build systematic processes that prevent costly outages and deliver superior user experiences.

Getting started with Gatling

Install Gatling

Going further

Scripting options

Use cases and protocols

Set up automations and CI/CD

Understanding tests and data visualization

Upcoming sessions

Previous sessions

Easily deploy and test your AI application

Intro to quick test creation with our visual editor

Create tests from Postman collections

Automate Load testing with Gatling & Gitlab CI

Stream your load tests into Datadog

Intro to MQTT protocol

Intro to gRPC protocol

Live Demo: Deeper performance insights with Multiple Run Comparison

Customize no-code tests with code with Export

Our upcoming talks and conferences

Gatling @DevOpsDays London (UK 🇬🇧)

Gatling & Sopra Steria @Nantes Digital Week (France 🇫🇷)

Gatling & Intuit @StarWest Anaheim (USA 🇺🇸)

Previous talks

Gatling & Bedrock Streaming @DevoxxFR (France 🇫🇷)

Gatling & Canal+ @JFTL (France 🇫🇷)

E-book and whitepapers

Gatling Enterprise Edition performance testing tech stack

Customer stories

How an airline implemented shift-left testing

How a famous Non-Governmental Organization maintains a high-level application performance

How a billion-dollar e-commerce business built a performance testing framework from scratch

How SNCF Connect & Tech increased developer autonomy

How a scaleup ensured performance, avoided crashes, and managed high user volume

How an adtech company enhanced its performance infrastructure

How an AI company enhanced its performance infrastructure

How Interdiscount prepared Black Friday traffic

TRAY boosts enterprise POS system efficiency and reliability

How TUI enhances real-time performance with Gatling

How Korem enhanced performance across multiple systems

How Sonepar ensured optimal e-commerce platform performance

How AidenAI delivers high-performance apps at scale

How Popken Fashion Group secured seamless cloud migration

How Tape à l’œil protects digital performance during retail peaks

How JioStar tackled rapid traffic surges and optimized performance testing

How Sophos scales backend API performance testing across teams

Blog

Unleashing JavaScript for WebSocket load testing

JavaScript load testing with Gatling: The complete guide

What is test-as-code?

Shift-right testing with load testing metrics

What is GitOps? A developer's guide

Performance testing maturity: A comprehensive guide

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Our upcoming talks 
and conferences