About us
Epsilon Delta is a Mumbai-based, DPIIT-recognised startup doing pioneering work in user experience monitoring and improvement. We built Gemini, real user monitoring for websites, used by e-commerce, finance, insurance aggregator and content sites, and Orion, performance monitoring for mobile apps.
Through Wizard, our professional services, we also analyse clients’ performance and help them implement the optimisations.
Founder, Epsilon Delta
Swapnil has more than 22 years of experience. He spent about nine years at Yahoo! innovating in web performance, then nearly three years at Quikr India as Director of Performance and Security, responsible for speed and cybersecurity for Quikr users. He sees himself as an advocate for users and their need for speed, and founded Epsilon Delta to act on it.
A faster website is the best feature any product can offer its users.
Tech Fellow, Epsilon Delta
Prathamesh has over 10 years of experience solving online user problems at unicorns such as Shaadi.com and Quikr. He has reported two Chrome bugs that Google accepted and fixed, and contributed to the HTTP Archive Web Almanac 2022. He is an avid backpacker who enjoys travelling to remote places.
Always think of your users first.
A tech-first company advocating for a faster user experience, one release at a time.
2017Inception
2018Validation
2019Expansion
2020–21Innovation
2022Growth
2023Personalisation
2024Milestone
2025–26Mobile
Swapnil Parulekar founded Epsilon Delta in 2017, after about nine years in web performance at Yahoo! and nearly three years as Director of Performance and Security at Quikr India.
In Mumbai, India. The company is a DPIIT-recognised startup, registered as Anamika Systems Pvt. Ltd., with customers in India and abroad.
Gemini, real user monitoring for websites; Orion, performance monitoring for Android, iOS, Flutter and React Native apps; and Wizard, a performance engineering service.
Last updated 7 Nov 2026 · Reviewed by [Name], [Role]
