Slowness & poor UX
Slow-loading pages, sluggish interactions, degraded user experience, declining conversions.
Service / Diagnostic & performance
Application performance audit
Is your application slow, unstable, or hard to scale? We deliver a decision-oriented audit: context analysis, measurement, root cause identification, and a prioritized action plan to improve speed, reliability, and maintainability.
A CLEAR DIAGNOSIS BEFORE OPTIMIZING
Understand bottlenecks, prioritize what matters
A good audit is not just about running tests. We uncover root causes (front-end, back-end, architecture, data, infrastructure) and turn findings into concrete actions: quick wins, structural initiatives, and a realistic roadmap.
Signals
When should you run an audit?
Production instability
Recurring errors, incidents, unpredictable behavior, growing technical debt.
Rising costs
Every change takes too long: unclear architecture, hard-to-maintain code, fragile pipelines.
Analysis
What we analyze in practice
The audit goes beyond isolated metrics. We analyze the entire technical and functional chain to understand why a product slows down, becomes fragile, or costly to evolve. The goal is to identify root causes and link each finding to real impact: user experience, performance, cost, or scalability.
The audit follows a structured and progressive approach.
→ Discover our delivery methodologyFront-end performance (loading, interactions, rendering)
Core Web Vitals (LCP, INP, CLS)
Resource weight (JS, CSS, images)
Caching & delivery strategies
Application architecture & modularization
APIs & data flows
Database queries & schemas
Observability (logs, metrics, traces)
Code quality & technical debt
Security & best practices
Deployment processes & CI/CD
Maintainability & scalability
Deliverables
What you receive
Executive diagnosis
Clear findings, likely causes, risks, and impacts (technical + usage).
Prioritized action plan
Quick wins and structural initiatives with short- and mid-term priorities.
Realistic roadmap
Effort estimates and sequencing to achieve measurable gains without a panic refactor.
Positioning
Why work with Antesy
An external, pragmatic perspective
We operate without internal bias. The goal is not to rebuild everything, but to understand what works, what blocks progress, and what delivers the most value.
Actionable recommendations
Every finding leads to concrete actions. No generic reports: you leave with clear priorities and an executable roadmap.
Technical and product expertise
We combine product thinking, user experience, and technical expertise (web, mobile, AI, interactive rendering) to deliver coherent, sustainable solutions.
A sustainability-driven approach
Performance, maintainability, and scalability are designed together. The goal: a product that is easier to evolve, more stable in production, and less costly over time.
FAQ
Performance audit: frequently asked questions
Identify technical bottlenecks and improve user experience.
CONTACT