Gemini
WebReal user monitoring (RUM)
Core Web Vitals, JS errors, rage clicks and bots, from real users.
- LCP
- 1.7 s
- INP
- 250 ms
- CLS
- 0.07
- Pulse daily report
- INP culprit scripts
- Rage click heatmap
- Bot detection
Your users feel every millisecond. Now you can too.
Epsilon Delta makes Gemini, real user monitoring for websites, and Orion, performance monitoring for Android, iOS, Flutter and React Native apps. Our Wizard team of performance engineers helps you fix what they find.
Orion
Android · iOS · Flutter · React NativeMobile app performance monitoring
Speed, jank, API time and rage clicks for every screen, release by release.
- Crash-free
- 99.98%
- Jank
- 34%
- Orion Score
- 91
- Crash and ANR
- Version impact
- API time on the phone
- Per-endpoint alerts
Wizard
ServicesPerformance engineering services
Performance engineers who baseline, fix and prove the gains.
- Week 1 · Audit and baselineDone
- Weeks 2–4 · Implement fixesIn progress
- Week 5 · Report impactPlanned
- Fixed term and fixed cost
- 80% repeat customers
- Minimum 30% improvement*
Trusted by teams at
- TATA CLiQ
- HealthKart
- Pristyn Care
- Turtlemint
- Urban Ladder
- The Luxury Closet
Portfolio dashboard
Every property, ranked by what needs you first.
See which sites are at risk, then a Needs Attention list ranked by traffic and severity. Pulse then shows exactly what changed since yesterday.
Take the dashboard tour
Products at risk
2 / 5
Median Gemini Score
72
- 61shop.example.com · TBT 610 ms · 88% of traffic
- 70m.example.com · LCP 3.1 s · 9% of traffic
- AIProduct pages: INP worse by 4% despite TBT improving.
On mobile, see what your other tools can’t.
Every Flutter screen
Load time and jank per route, where other tools count the whole Flutter app as one screen.
API time on the phone
Server time compared with network and app time, plus failures that never reach your servers.
Alerts with no thresholds
Every endpoint is compared with yesterday and last week, and slower releases are flagged.
- Gemini paid page inspections
- 9 Billion
- growth in annual traffic
- 18%
- Orion inspections
- 1 Billion
- brands served
- [N]+
Results our customers talk about
The Gemini tool is thoughtfully designed for the modern web powered by SPAs and microsites. The best part is that it is really a plug and play solution and gives you an unsampled and accurate view of what your users are experiencing.