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★ 4.5 rated · $9.99
K6 – Performance Testing Masterclass with JavaScript
Learn API and Browser Load Testing using K6 -JavaScript, Web Vitals, Core Metrics & Grafana cloud Integration
Taught by ⋮ Rahul Shetty Academy
Total Enrolments : 3,166Development
$9.99 with coupon (list $149.99 — save $140.00, 93% off)
Coupon Verified: October 12, 2026 · click Claim Coupon to apply the discount code
Coupon Overview
The short version of this deal — what the coupon covers, what it costs, and when our team last checked it.
This page tracks a verified Udemy coupon for K6 – Performance Testing Masterclass with JavaScript — a Development course from Rahul Shetty Academy, suitable for learners at every level. Enrolling through this page takes the price from $149.99 down to $9.99 — that's 93% off, or $140.00 saved.
What you get is the same as any full-price seat: lifetime access to the on-demand lessons (6h), every future update the instructor publishes, and a certificate of completion once you finish. It has already been taken by 3,166 learners and holds a 4.6-star average on Udemy, and the lessons are delivered in English.
The listing was last verified by hand on October 12, 2026 and is recorded valid through November 10, 2026 — claim it before then, or while redemptions last.
Best suited to learners with some footing in Development — prerequisites as listed by the instructor: None. JavaScript basics are already covered as part of the course.. Browse more coupons while you are here: Development coupons · Software Testing courses · today's free Udemy coupons.
- Price with coupon
- $9.99
- Regular price
- $149.99
- Discount
- 93% off (you save $140.00)
- Last verified
- October 12, 2026
- Offer ends
- November 10, 2026
- Provider
- Udemy
- Category
- Development
- Duration
- 6h on-demand video
- Language
- English
- Enrollments
- 3,166 students
- Rating
- 4.6 / 5
- Access
- Lifetime access, self-paced
- Certificate
- Certificate of completion
Key Takeaways
Everything that matters about this coupon in one scan — price, validity, and what you walk away with.
- 93% off $9.99 with the coupon instead of the $149.99 list price — a saving of $140.00.
- Verified deal last checked by hand on October 12, 2026 and recorded valid through November 10, 2026.
- Learner feedback 4.6-star rating from 3,166 enrolled learners on Udemy.
- 6h of video self-paced on-demand lessons with lifetime access — study now, revisit whenever you like.
- Lessons in English self-paced study with a certificate of completion once you finish.
- Taught by Rahul Shetty Academy — with the same course materials and updates as full-price students.
- 30-day refund window purchases on Udemy can be refunded within 30 days, subject to Udemy's refund policy — a few payment methods are refundable as store credit only.
Is the K6 – Performance Testing Masterclass with JavaScript Coupon Worth It?
Our verdict: worth it — as long as the Development skills on the syllabus match what you actually want to learn. The regular price for K6 – Performance Testing Masterclass with JavaScript on Udemy is $149.99. With the coupon code on this page, that falls to $9.99 — a saving of $140.00, or 93% off the standard rate Spread across 6h of on-demand video, that works out to roughly $1.67 per hour of content — cheaper than a single chapter of most printed Development textbooks.
A cheap price means nothing if the material is thin — here the syllabus is organized around usable 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 — skills meant to be used, not just watched. It has already been taken by 3,166 students and holds a 4.6-star average from verified reviews, which suggests the content holds up once learners actually apply it.
Check the prerequisites before you commit: None. JavaScript basics are already covered as part of the course.. Best suited to learners who already have footing in Development. Plan for roughly 6h of on-demand video at your own pace. Lessons are delivered in English.
Pros
- ✓Confirmed 93% price cut, checked by hand.
- ✓Strong learner feedback (4.6 out of 5).
- ✓Taken by 3,166 students so far.
- ✓Completion certificate plus lifetime access.
Cons
- !The coupon can expire without warning — after that, expect something close to the standard $149.99.
- !Lifetime access depends on Udemy itself; platform policies can always change.
- !Set aside extra hours for exercises and quizzes beyond the 6h of video.
What You'll Learn
Practical skills and outcomes you'll gain from K6 – Performance Testing Masterclass with JavaScript — taken from the official Udemy syllabus for Development learners.
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.
Requirements
What you need before enrolling in K6 – Performance Testing Masterclass with JavaScript — prerequisites as listed by the instructor on Udemy.
None. JavaScript basics are already covered as part of the course.
About This Course
The full official description of K6 – Performance Testing Masterclass with JavaScript — curriculum, teaching approach, and everything included with this Udemy coupon.
How to Redeem This Udemy Coupon
Four steps, roughly two minutes. The discount travels with our link, so there is no code to copy and paste.
- Click the Claim Coupon button
Press the "Claim Coupon" button on this page. It opens the Udemy course page in a new tab with the coupon attached to the link.
- Check the discounted price
The discount is applied automatically — there is no code to type in. If Udemy shows $149.99 instead, the coupon has expired. The price at checkout should read $9.99.
- Sign in or create a free account
Udemy requires an account before checkout. Sign in, or register with an email address if you are new — creating an account is free.
- Enroll and start learning
Confirm the price and click "Enroll Now". The course is added to your account with lifetime access and a completion certificate once you finish it.
Important: this coupon may not function properly in private/incognito browsing mode. Please use a standard browser window and consider temporarily disabling any ad blockers or VPN services. If the Udemy app opens instead of the browser, switch to a browser tab — Udemy does not support coupon codes inside its mobile app.
Claim K6 – Performance Testing Masterclass with… Coupon Code$9.99 with coupon · 93% off · verified Oct 12, 2026 · ends November 10, 2026Prefer screenshots? Follow our full how to redeem a Udemy coupon guide. Curious how each code gets confirmed? Read how we test and verify Udemy coupons.
Frequently Asked Questions
Common queries about this coupon, pricing, and enrollment. Answers reflect our last check on October 12, 2026.
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