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Selenium HQ vs k6 Open Source comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on May 21, 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 Regression Testing Tools
9th
Average Rating
7.6
Reviews Sentiment
7.9
Number of Reviews
2
Ranking in other categories
Load Testing Tools (7th)
Selenium HQ
Ranking in Regression Testing Tools
4th
Average Rating
8.0
Reviews Sentiment
6.9
Number of Reviews
113
Ranking in other categories
Functional Testing Tools (5th)
 

Mindshare comparison

As of May 2026, in the Regression Testing Tools category, the mindshare of k6 Open Source is 1.2%, up from 0.4% compared to the previous year. The mindshare of Selenium HQ is 6.7%, up from 5.6% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Regression Testing Tools Mindshare Distribution
ProductMindshare (%)
Selenium HQ6.7%
k6 Open Source1.2%
Other92.1%
Regression 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.
NK
DevOps Lead at Illumifin India LLP
Automation revolutionizes testing efficiency and cost savings while ensuring smooth deployment
The challenges I faced while integrating Selenium HQ into my existing systems relate to historical data, which requires going back six years. I have to traverse if there were any challenges because I am sure if there were any, they must have been documented in our ALM documents. The multi-browser support of Selenium HQ impacts my testing process primarily since it is being used in Edge and Chrome browsers. It all depends on our customers. I haven't heard of any challenges with other browsers such as Opera or Mozilla Firefox, as these two browsers are what we primarily use. When we were doing these tests manually, it took several hours of effort, and those hours, when counted on the basis of person days, used to be maybe six or seven months of effort, which we can now do every day by running the pipeline. This has definitely saved a lot of money for us.

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."
"We are now able to execute 3000 test cases in less than one hour."
"Selenium is a freeware tool, through which I am using Java for automating our project testing and with its feature grid and a different browser, I can do the functional testing."
"Selenium has helped to complete tests in less time, which would not be possible relying on manual testing only."
"The most valuable features of Selenium HQ are it is open-source, has a good interface, and integrates well."
"It is very stable."
"My customer previously validated every file and it would take almost 15-20 minutes for a document. They used to randomly select and test only 100 out of the thousands, maybe 85,000, files, to pick up sampling. Each file would take around 20 to 25 minutes, so we were not able to do it manually, but with the help of Selenium, we were able to test all the files in two days. It saves a lot of time."
"Has a good Workday application that enables us to handle some of the custom controls."
"The most valuable features of this solution are its flexibility, being open source, and it has close to no limits when it comes to integrating with any language, or browser you are using."
 

Cons

"One area where k6 could improve is by introducing a GUI similar to JMeter."
"Due to its high rate in releases sometimes working code cannot be executed after an upgrade due to a new feature or different behaviour."
"I know that Selenium is more used for websites. It is not for testing desktop applications, which is a downside of it."
"They can improve test reporting, and more importantly on test scripts, by providing less constructs to automate more complex testing scenarios."
"Selenium HQ could have better interaction with SAP products."
"One drawback to Selenium is that there is nothing like an object repository, such as that found in QTP, especially considering continuous integration practices that have become common nowadays."
"There are stability issues with Internet Explorer only."
"A drawback of Selenium is that it only focuses on web applications."
"The initial setup of Selenium HQ is difficult in many areas, such as the framework."
 

Pricing and Cost Advice

Information not available
"This product is open source and free. That was a huge deciding factor for us getting into it."
"It is an open-source solution."
"It is all free."
"Selenium is an open-source solution, and It's free."
"Selenium is free software so we do not pay licensing costs."
"It's open-source, so there's no need to pay for a license."
"The solution is open-source, so it is 100% free with no hidden charges."
"It is free to use."
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Top Industries

By visitors reading reviews
Computer Software Company
14%
Financial Services Firm
11%
Construction Company
8%
Retailer
8%
Computer Software Company
9%
Manufacturing Company
9%
Financial Services Firm
8%
Construction Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business41
Midsize Enterprise33
Large Enterprise52
 

Questions from the Community

How do I choose between Selenium HQ and Eggplant Digital Automation Intelligence?
Selenium HQ’s biggest advantage is that it is customizable. Its other most valuable feature is that the driver interface is really helpful and user-friendly; Selenium HQ makes it easy to navigate t...
What is your experience regarding pricing and costs for Selenium HQ?
I will give an eight for my satisfaction with the pricing and licensing costs of Selenium HQ.
What needs improvement with Selenium HQ?
Some improvements can be implemented as compared to Playwright, which is why I rate it seven out of ten.
 

Also Known As

Load Impact
SeleniumHQ
 

Overview

 

Sample Customers

rackspace, salesforce.com, IBM, servicenow, Nasdaq, JWT
BrowserStack, Sauce Labs, experitest, Tricentis GmbH, SmartBear Software
Find out what your peers are saying about Selenium HQ vs. k6 Open Source and other solutions. Updated: April 2026.
893,438 professionals have used our research since 2012.