TOOL SIGNAL / ACTIVE

Silk Performer

OpenText

Enterprise Suite Commercial Self-hosted
Official site ↗
Pricing model
Commercial license; request a quote.
First released
1996
Latest release
21.0
Last verified
Answer

Silk Performer is an enterprise-class performance, load, and stress testing solution designed to assess the performance of Internet servers, database servers, distributed applications, and middleware by simulating hundreds or thousands of concurrent users.

About

Silk Performer is an enterprise-class performance, load, and stress testing solution designed to assess the performance of Internet servers, database servers, distributed applications, and middleware by simulating hundreds or thousands of concurrent users.

Best for

  • Enterprise programs that need suite-level analysis and governance
  • Organizations budgeting for commercial licenses or subscriptions
  • Groups comfortable scripting in C, JavaScript

Not the best fit when

  • Teams unwilling to operate generators, results storage, and scaling
  • Projects that require a fully free open-source stack only

Architecture and concurrency

Silk Performer is commonly operated as self-hosted software with scenario authoring in C, JavaScript. Concurrency and distribution depend on how you size workers or injectors.

Compare and alternatives

Silk Performer alternatives 12 alternatives compared

Features

  • Realistic load testing with virtual users
  • Comprehensive diagnostics and root cause analysis tools
  • Cloud-based testing with CloudBurst capability
  • Multi-protocol support including web, mobile web, and mobile native applications
  • Visual Studio extension for performance test development in C#
  • Integration with CI/CD tools like Jenkins
  • Reuse of functional tests from Silk Test or Selenium

Latest release

21.0

Silk Performer 21.0 introduced support for AutoPass licensing, Java 11, and significant integration enhancements including new project upload wizards and command-line tools.

Pricing

Silk Performer offers an evaluation version with full functionality for 45 days (limited to 10 virtual users). Licensing for full production load tests is based on virtual users, with both on-premise and online licensing models available. Starting and modeling scripts in the Workbench does not require a license.

Specs

Scripting
CJavaScript
Protocols
HTTPHTTPSWebSocketSAPCitrix
Operating systems
Windows
Tags
enterpriseprotocolwindows

Sources

SHOW SOURCES

LAST VERIFIED · 2026-08-11 · GROUNDED VIA EXA · CURATED BY NAVEENKUMAR NAMACHIVAYAM

Frequently asked

ANSWER-SHAPED
Who is Silk Performer for?

Silk Performer is best for enterprise performance engineering teams with protocol breadth, governance, and analysis needs. It is commercial software, typically licensed for larger or governed programs. Vendor: OpenText. Deployment model: self-hosted. Commercial license; request a quote. Confirm details against the official site and a short proof-of-concept in your environment.

How does Silk Performer differ from LoadRunner Professional?

Compared with LoadRunner Professional, scripting centers on C, JavaScript rather than C, JavaScript, C#. Silk Performer lists protocols HTTP, HTTPS, WebSocket, SAP, Citrix; LoadRunner Professional lists HTTP, HTTPS, WebSocket, SAP, Citrix, Oracle. Status is active versus active. Use the Test Rig to compare full specs side by side before a proof-of-concept.

What scripting language and concurrency model does Silk Performer use?

Silk Performer uses C, JavaScript for scripting or scenario definition. Runtime model: code-first scenarios where virtual users execute scripted behavior under load. OS support: Windows. Protocols: HTTP, HTTPS, WebSocket, SAP, Citrix. Match these to how your team already authors tests and which systems you must drive under load.

What is the cloud or enterprise path for Silk Performer?

Silk Performer is positioned as an enterprise suite for on-premises or controlled environments; cloud options depend on the vendor product line and adjacent SaaS offerings in the same family. Pricing model: Commercial license; request a quote. Confirm details against the official site and a short proof-of-concept in your environment.

What are known limitations of Silk Performer?

Silk Performer limitations to weigh: self-hosted tools require you to provision, scale, and observe load generators yourself; commercial licensing and quotes can gate large-scale or enterprise use. Status: active. Always validate against your target protocols and scale with a proof-of-concept.