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features
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support

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Description

Most web performance issues don't show up at one user... they show up at hundreds or thousands of users. Loadster is a cloud platform for simulating that kind of traffic and then seeing how your web application responds to it. Loadster has Browser Bots and Playwright for real browser testing, or Protocol Bots for lightweight HTTP protocol testing. Load test scenarios mix bot types, ramp populations up over time, and run load tests with hundreds or thousands of concurrent bots from cloud regions of your choice. The built-in reporting covers response time distributions, error rates, page-rendering metrics, and detailed traces about individual user journeys. Loadster also has built-in 24/7 site and API monitoring. Loadster monitoring reuses the exact same scripts as synthetic checks running 24/7 from selected regions, with alerting through Slack, PagerDuty, SMS, or voice robocall whenever something goes wrong. Maintenance windows mute monitors during planned work so on-call pagers don't fire for non-events. The free tier is 50 units of Loadster Fuel with no credit card required (enough to run a few load tests or maybe several weeks/months of monitoring). Usage scales from one-off load tests up to continuous testing and monitoring plans.

Description

Spitfire serves as a comprehensive self-hosted platform designed for load testing and performance monitoring, catering specifically to the needs of DevOps, QA, and SRE teams. It operates seamlessly on customer-managed infrastructure utilizing Docker or Kubernetes, featuring remote runners positioned in various locations that initiate connections without requiring inbound ports. Users can easily create tests using a browser-based editor without any scripting or by importing files from OpenAPI, Postman, HAR, k6, and JMeter. Each test can integrate various protocols and technologies, including HTTP, gRPC, WebSocket, Kafka, MQTT, SQL, and real browser interactions. Tests can function as low-load production monitors, running every 1 to 60 minutes and offering features like drift detection, SLOs, error budgets, and a status page, or as staged distributed load tests to identify performance limitations and critical breaking points. Additionally, insights from OpenTelemetry and alerts from monitoring tools such as Datadog, New Relic, Dynatrace, Zabbix, and Instana can be utilized to analyze performance issues. A/B testing comparisons can also act as gates for CI releases, ensuring quality control. Furthermore, Spitfire includes essential features like a production-write guard, SSO/SCIM integration, comprehensive audit logging, and offline licensing options for installations in air-gapped environments. Notably, a free edition is available that does not come with any expiration date, making it accessible for ongoing use. This makes it an attractive option for teams looking to enhance their performance testing capabilities without financial commitments.

API Access

Has API No 

API Access

Has API Yes 

Screenshots View All

Screenshots View All

Integrations

Slack Yes 
Datadog No 
Dynatrace No 
GitHub Actions No 
GitLab No 
IBM Instana No 
Jaeger No 
Jenkins No 
Jira No 
Linear No 
Microsoft Teams No 
New Relic No 
OpenTelemetry No 
Opsgenie Yes 
PagerDuty Yes 
Prometheus No 
Redmine No 
ServiceNow No 
YouTrack No 
Zabbix No 

Integrations

Slack Yes 
Datadog Yes 
Dynatrace Yes 
GitHub Actions Yes 
GitLab Yes 
IBM Instana Yes 
Jaeger Yes 
Jenkins Yes 
Jira Yes 
Linear Yes 
Microsoft Teams Yes 
New Relic Yes 
OpenTelemetry Yes 
Opsgenie No 
PagerDuty No 
Prometheus Yes 
Redmine Yes 
ServiceNow Yes 
YouTrack Yes 
Zabbix Yes 

Pricing Details

$77
Monthly and pay-as-you-go pricing with Loadster Fuel. Specialized monitoring and custom plans are available on request.
Free Trial Yes 
Free Version No 

Pricing Details

$1,485/year
The Free edition has no expiration date. The Starter plan costs $1,485/year, including taxes, and is paid once without automatic renewal. Higher-tier plans and optional add-ons are also available.
Free Trial No 
Free Version Yes 

Deployment

Web-Based Yes 
On-Premises Yes 
iPhone App No 
iPad App No 
Android App No 
Windows Yes 
Mac Yes 
Linux Yes 
Chromebook No 

Deployment

Web-Based No 
On-Premises Yes 
iPhone App No 
iPad App No 
Android App No 
Windows Yes 
Mac Yes 
Linux Yes 
Chromebook No 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) Yes 
In Person No 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Vendor Details

Company Name

Loadster

Founded

2017

Country

United States

Website

loadster.com

Vendor Details

Company Name

Albiferro Software & System

Founded

2026

Country

Turkey

Website

usespitfire.com

Product Features

Load Testing

API Load Testing Yes 
Database Load Testing No 
Load Test Performance Reporting Yes 
Mail Load Testing No 
Multilocation Load Testing Yes 
Multiple Protocol Support Yes 
Test Script Customization Yes 
Web Application Testing Yes 

Performance Testing

API Testing Yes 
Benchmarking Yes 
Cross Browser Testing No 
Debugging Yes 
Historical Reporting Yes 
Load Testing Yes 
Mobile Testing No 
Parallel Testing Yes 
Regression Testing Yes 
UI Testing Yes 
Web Testing Yes 

Software Testing

Automated Testing Yes 
Black-Box Testing No 
Dynamic Testing No 
Issue Tracking No 
Manual Testing No 
Quality Assurance Planning No 
Reporting / Analytics Yes 
Static Testing No 
Test Case Management No 
Variable Testing Methods No 
White-Box Testing No 

Product Features

Load Testing

API Load Testing No 
Database Load Testing No 
Load Test Performance Reporting No 
Mail Load Testing No 
Multilocation Load Testing No 
Multiple Protocol Support No 
Test Script Customization No 
Web Application Testing No 

Performance Testing

API Testing No 
Benchmarking No 
Cross Browser Testing No 
Debugging No 
Historical Reporting No 
Load Testing No 
Mobile Testing No 
Parallel Testing No 
Regression Testing No 
UI Testing No 
Web Testing No 

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