K6 – Performance Testing Masterclass with JavaScript — 95% Off Coupon

Learn API and Browser Load Testing using K6 -JavaScript, Web Vitals, Core Metrics & Grafana cloud Integration

⭐ 4.7 out of 5(2,359 students enrolled)Created by Rahul Shetty AcademyLast updated: 🌐 English

Course Overview - Key Takeaways

The following summarizes all verified data points for this course, including pricing, duration, instructor, and coupon validity. All data is sourced directly from Udemy and verified by CourseSpeak on .

•Course Title: K6 – Performance Testing Masterclass with JavaScript
•Provider: Udemy (listed via CourseSpeak)
•Instructor: Rahul Shetty Academy
•Coupon Verified On: August 12, 2026
•Difficulty Level: Advanced
•Category: Development
•Subcategory: Software Testing
•Duration: 6h of on-demand video
•Language: English
•Access: Lifetime access to all course lectures and updates
•Certificate: Official certificate of completion issued by Udemy upon finishing all course requirements
•Top Learning Outcomes: Design and implement Load, Stress, Spike and Soak tests using K6 with real-world performance scenarios. · Design realistic load models using stages, thresholds, checks, tags and custom metrics. · Build end-to-end API load testing flows in K6 including registration, login and transactional scenarios.
•Prerequisites: None. JavaScript basics are already covered as part of the course.
•Price: $9.99 with coupon / Regular Udemy price: $199.99. Applying this coupon saves you $190.00 (95% OFF).
•Coupon: Click REDEEM COUPON below to apply discount
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What You'll Learn

This course gives you the following verified skills and competencies in Development:

✓Design and implement Load, Stress, Spike and Soak tests using K6 with real-world performance scenarios. .
✓Design realistic load models using stages, thresholds, checks, tags and custom metrics. .
✓Build end-to-end API load testing flows in K6 including registration, login and transactional scenarios. .
✓Implement browser-level load testing using K6 Browser library with Playwright integration. .
✓Measure and analyze API and Browser performance metrics including Web Vitals and page-wise tracking. .
✓Integrate K6 with Grafana Cloud to visualize, monitor and analyze performance metrics in real time. .
✓Execute end-to-end performance testing projects from planning to result interpretation.

Course Requirements & Prerequisites

The following background knowledge and tools are recommended before starting this course. Students without these prerequisites may still enroll but should expect a steeper learning curve:

•None. JavaScript basics are already covered as part of the course.

About This Udemy Course

The following is the full official course description as published on Udemy by instructor Rahul Shetty Academy. It covers the curriculum structure, teaching methodology, and topic scope for this Development course:

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Course Comparison

Compare features side by side to find the best course for your needs.

FeatureCURRENT
ProviderUdemyUdemy
Price
$9.99$199.99-95%
$9.99$149.99-93%
Rating
4.7(2.4k)
4.4(80k)
Duration6h6h 30m
CouponRAHULS...LEARN_...
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Is the K6 – Performance Testing Masterclass with JavaScript Coupon Worth It?

Expert review by Josh Smith, Lead Course Reviewer at CourseSpeakUpdated Aug 12, 2026

The short answer is yes — provided the Development skills this course teaches actually line up with what you want to build. The regular price for K6 – Performance Testing Masterclass with JavaScript on Udemy is $199.99. The coupon code listed on this page drops that to $9.99 — a saving of $190.00, or 95% off the standard rate. Spread across 6h of on-demand video, that works out to roughly $1.67 per hour of content — less than the cost of a single chapter of most printed development textbooks.

A discount is only worth something if the material delivers, and the curriculum here is built around practical outcomes. Rahul Shetty Academy walks you through design and implement Load, Stress, Spike and Soak tests using K6 with real-world performance scenarios., design realistic load models using stages, thresholds, checks, tags and custom metrics., and build end-to-end API load testing flows in K6 including registration, login and transactional scenarios. — concrete skills you can apply, not abstract theory. It has already been taken by 2,359 students and holds a 4.7-star average from verified reviews, which is a reasonable sign the content holds up in practice.

The bar to entry is low: None. JavaScript basics are already covered as part of the course.. That makes it a realistic choice even if Development is unfamiliar territory. In practical terms, expect around 6h of on-demand video to work through at your own pace. The material is presented in English.

Pros

  • ✓Verified 95% price reduction.
  • ✓High learner satisfaction (4.7/5).
  • ✓Trusted by 2,359 students.
  • ✓Certificate + lifetime access.

Cons

  • !The coupon is time-limited — once it expires, the price tends to revert toward the standard $199.99.
  • !Lifetime access is tied to Udemy staying online; the platform can change its policies.
  • !Budget for the exercises and quizzes too — they add real time on top of the 6h of video.
JS
Josh Smith
Lead Course Reviewer
Credentials →

"At roughly $1.67 an hour of video, K6 – Performance Testing Masterclass with JavaScript is priced sensibly for what it actually covers — design and implement Load, Stress, Spike and Soak tests using K6 with real-world performance scenarios. and beyond. If Development is on your roadmap and you value the 4.7-star track record, this coupon is worth using while it's still valid."

✓
Final Verdict: Worth It
Saves you $190.00 against the standard Udemy price
New to redeeming coupons? Visit our step-by-step guide for detailed instructions on how to apply coupon codes.Coupon last verified August 12, 2026.At $9.99 you save $190.00 compared to the standard $199.99 price, and Udemy coupons are time-limited — redeem as soon as possible.

Course Rating Summary

This course holds an aggregate rating of 4.7 out of 5 based on 2,359 student reviews on Udemy. The distribution below shows the approximate percentage of students who gave each star rating.

4.7
2,359 Verified Ratings
5 stars
75%
4 stars
15%
3 stars
6%
2 stars
2%
1 star
2%

* Rating distribution is approximated from the aggregate score. Sourced from Udemy. Last verified: August 12, 2026.

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Instructor Profile

Background information on Rahul Shetty Academy, the instructor responsible for this course on Udemy.

RS
Rahul Shetty Academy
Udemy Instructor
Full Profile ↗
Subject Area
Development
Total Students
2,359+ enrolled
Rating
4.7 / 5.0
Course Duration
6h
Teaching Approach
Practical, project-based instruction built around real-world application of Development skills, with hands-on exercises and quizzes to reinforce each section.

Frequently Asked Questions

The following questions and answers cover the most common queries about this course, its coupon code, pricing, and enrollment process. All answers are based on verified data from Udemy as of August 12, 2026.

About the Author

Josh Smith
Josh Smith
Udemy Coupon Specialist

8+ years finding and verifying the best Udemy deals. Helped thousands of students save on premium courses through curated coupon codes and exclusive discounts.

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