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RadView WebLOAD vs k6 Open Source comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Jan 6, 2025

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

k6 Open Source
Ranking in Load Testing Tools
7th
Average Rating
7.6
Reviews Sentiment
7.9
Number of Reviews
2
Ranking in other categories
Regression Testing Tools (9th)
RadView WebLOAD
Ranking in Load Testing Tools
12th
Average Rating
8.2
Reviews Sentiment
7.3
Number of Reviews
9
Ranking in other categories
Performance Testing Tools (12th)
 

Mindshare comparison

As of January 2026, in the Load Testing Tools category, the mindshare of k6 Open Source is 4.5%, up from 3.1% compared to the previous year. The mindshare of RadView WebLOAD is 3.0%, up from 1.4% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Load Testing Tools Market Share Distribution
ProductMarket Share (%)
k6 Open Source4.5%
RadView WebLOAD3.0%
Other92.5%
Load Testing Tools
 

Featured Reviews

ArtemCheremisin - PeerSpot reviewer
Performance Test Engineer at BETBY
Lighter on the RAM and has native Grafana support
The tool's big advantage is that it is more performance-test oriented for experienced testers who know what they are doing. In a normal working setup, performance engineers frequently work with DevOps and development teams. For these teams, k6 Open Source's syntax is much simpler and easier to understand and apply in the working process. Recently, I had a case where I was using another tool, and there wasn't enough memory for it because it required more RAM. k6 Open Source, on the other hand, is lighter and doesn't have a UI, which is beneficial. An engineer I was training could use k6 Open Source scripts even without my help. The tool is more efficient and has native support with Grafana, as both are developed by the same company. This integration enhances monitoring and loss ratio tracking. Thanks to its intelligent GUI, k6 Open Source's design is simpler, particularly for complex scenarios. When we need to manage hundreds of thousands or millions of transactions per minute, the solution becomes a game-changer compared to JMeter.
Vadim Urintsov - PeerSpot reviewer
Software Tester / Quality Assurance Analyst at Bitnami
An excellent solution for graph testing on programming software
Our primary use case for the solution is for graph testing on programming software The information provided via the solution and the dashboard is valuable. Additionally, it's interesting as you can view inside information integrated and see the WebLOAD with APM. There is no analytical dashboard…

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"The tool's big advantage is that it is more performance-test oriented for experienced testers who know what they are doing. In a normal working setup, performance engineers frequently work with DevOps and development teams. For these teams, k6 Open Source's syntax is much simpler and easier to understand and apply in the working process."
"The standout feature of k6 is its strong focus on API performance testing."
"The most valuable feature of this solution is reporting."
"The most valuable aspect is that the IDE is simple and it's quick to complete the process."
"The solution is simple and useful."
 

Cons

"One area where k6 could improve is by introducing a GUI similar to JMeter."
"Technical support is slow and wastes a lot of time, so it needs to be improved."
"There is no analytical dashboard."
"The reporting side of things is really complicated. It's difficult to get out exactly what you're looking for, there are almost too many options."
 

Pricing and Cost Advice

Information not available
"We purchased a license for two years."
"It costs $8,600 yearly and we have the Cloud, which is an additional $800. Our perpetual license is $800 and then the Cloud functionality with our 500 users is the $8,600."
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Top Industries

By visitors reading reviews
Computer Software Company
16%
Financial Services Firm
10%
Manufacturing Company
8%
Media Company
7%
Government
13%
Performing Arts
13%
Computer Software Company
12%
Insurance Company
9%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business2
Large Enterprise10
 

Questions from the Community

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Also Known As

Load Impact
No data available
 

Overview

 

Sample Customers

rackspace, salesforce.com, IBM, servicenow, Nasdaq, JWT
GoDaddy, Praxair, DeVry University and the College Board.
Find out what your peers are saying about RadView WebLOAD vs. k6 Open Source and other solutions. Updated: December 2025.
879,371 professionals have used our research since 2012.