We are proud to be Performance Evangelist from India

ABOUT US

Evangelizing User Experience.


Epsilon Delta is a Mumbai-based DPIIT recognized startup doing pioneering work in the field of user experience monitoring and improvement. The company has developed a real user monitoring and improvement tool called Gemini. Gemini is now being used by e-commerce, finance, insurance aggregators and content sites.
The company also offers its Professional Services called Wizard to various clients, providing performance analysis and assistance in implementing various performance optimizations.

80%

Wizard customers repeat us


%

Gemini customers renew subscription

The Founder


Mr. Swapnil Parulekar

Mr. Swapnil Parulekar, with more than 22 years of experience, is the founder of Epsilon Delta. Over the course of years, he had the opportunity to work at Yahoo! for about nine years, innovating in the field of web performance. He spent nearly three years at Quikr India as Director of Performance and Security, overseeing speed and Cybersecurity for Quikr users. He considers himself an advocate for users, striving for better speed. Driven by this passion, he established Epsilon Delta.

A Faster website is the best feature any product can offer to it's users

Tech Fellow


Mr. Prathamesh Rasam

Mr. Prathamesh Rasam is a tech enthusiast with over 10 years of experience of working on online user problems in Unicorns like Shaadi.com and Quikr.com. He has reported 2 bugs in Chrome browsers, which were accepted and fixed by Google. Recently, he contributed to the Web Almanac 2022 project by HTTP Archive. Prathamesh is an avid backpacker who enjoys traveling to remote and undiscovered places.

Always think of your users first.

Our Journey To Growth

Epsilon Delta is a tech-first company advocating for a faster user experience in India.
Our aim is to make the internet fast for the benefit of the online community.

  • 2017 Inception
    • Company inception
    • First consulting client
  • 2018 Validation
    • First Gemini client
    • 1 Billion paid page inspections
    • Launch Ajax/resource tracking
  • 2019 Expansion
    • Launch of real time alerts and correlation
    • Represented in RISE & Nasscom
    • First international consulting customer
  • 2020 & 2021 Innovation
    • First international Gemini customer
    • Detection of javascript errors
    • Monitor Page waterfalls
    • Launch of Web bot detection & monitoring
  • 2022 Growth
    • Core web vitals alerts
    • 6 Billion Paid page inspection
    • First Fortune 500 Gemini customer
  • 2023 Personalization
    • Personalisation one view dashboard
    • Integrated Gemini score
    • Optimization Recommendations Report
  • 2024 Milestone
    • 10 Billion Paid page inspection
    • Detailed Monitoring for Interaction to Next Paint (INP)
    • Launch of Monitoring for Server API Services
Featured in these news

REPRESENTED IN

rise logo
Tiecon Mumbai logo
nasscom logo

Don't wait and
Start your free trial today

10 Billion

Gemini Paid page inspections till date

30%

Growth in annual traffic