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Performance Optimization — Diagnosis & Action Plan

Slow application, database queries taking seconds, traffic spikes ending in downtime — performance problems have specific causes that can be identified. Performance consulting pinpoints actual bottlenecks and transforms them into a prioritized improvement plan, instead of fixing symptoms through trial and error.

The problem

Application response times grow month over month, and database queries can take several seconds to execute. Traffic spikes cause downtime — users abandon pages that load too slowly. Server resources are wasted on inefficient code, missing caching layers, and suboptimal configuration. Without systematic diagnosis, teams fix symptoms instead of root causes — upgrading to a more powerful server delays the problem but does not solve it. Performance debt drives infrastructure costs up, degrades user experience and makes product development harder.

Scope of work

  • Application performance profiling and bottleneck identification — analysis of response times, resource consumption, and critical paths
  • Database query analysis — identification of slow queries, missing indexes, N+1 problems, and optimization recommendations
  • Caching strategy evaluation — review of cache layers (application, database, CDN, reverse proxy) and assessment of their effectiveness
  • Load capacity assessment — analysis of peak traffic handling capability, identification of performance thresholds and critical breakpoints
  • Infrastructure sizing review — evaluation of server configuration, resource allocation, and infrastructure adequacy for the workload profile
  • Front-end performance audit — Core Web Vitals analysis, asset sizing, loading order, and third-party script impact assessment

What you get

  • Performance audit report with a bottleneck map classifying impact on users and business
  • Database optimization recommendations with priority ranking — from high-impact improvements to long-term changes
  • Caching strategy document — recommendations on layers, invalidation policies, and expected performance impact
  • Infrastructure sizing recommendations — guidance on configuration, scaling, and resource allocation
  • Before/after benchmark plan — defined metrics, test scenarios, and reference points for verifying the effects of implemented changes

Frequently Asked Questions

What types of applications can be audited for performance?

The performance audit covers web applications, e-commerce stores (including PrestaShop, WooCommerce, Magento), SaaS platforms, APIs, and backend applications. The analysis is tailored to the project's tech stack — from PHP and Node.js applications to container-based systems and microservice architectures.

How is performance measured during the audit?

Performance is measured across multiple dimensions: server response time (TTFB), page load times (Core Web Vitals: LCP, INP, CLS), throughput under load (requests per second), database query execution times, and server resource utilization (CPU, memory, I/O). Metrics are selected based on the application's specifics and business objectives.

How long does a performance audit take?

The timeline depends on the size and complexity of the system. An audit of a small application or e-commerce store typically takes 3–5 business days. Larger systems — with multiple microservices, databases, and caching layers — require 1–2 weeks. The exact schedule and analysis scope are determined after an initial assessment.

What is the difference between a performance audit and optimization services?

A performance audit focuses on diagnosis and analysis — identifying bottlenecks, measurements, profiling, and developing a prioritized action plan. The result is a report and recommendations based on which your team or a chosen vendor can carry out the optimization. Optimization services, on the other hand, involve directly implementing changes — applying the recommendations in code, configuration, and infrastructure.

Is your application too slow?

A performance audit pinpoints the causes of problems and delivers a prioritized improvement plan. Concrete data instead of guesswork — a foundation for informed optimization decisions.