Make Existing Systems Faster Without Rebuilding Them
Slow page loads, database queries that take seconds, and applications that buckle under load. We find the bottlenecks, fix them, and set up monitoring so they don’t come back.
Speed problems compound over time
It starts with a slow page that nobody prioritises. Then another. Then a database query that used to take 50 milliseconds takes 5 seconds because the table grew from 10,000 rows to 10 million. The API that was fine for 100 concurrent users starts timing out at 500. Your frontend loads 3MB of JavaScript because nobody audited the bundle in two years. Performance degradation is gradual, which makes it easy to ignore until it becomes a crisis. Customers leave slow pages. Teams build workarounds instead of fixing root causes. Technical debt accumulates invisibly until the system reaches a tipping point. Fixing performance isn’t a rewrite. It’s targeted diagnosis and surgical intervention.
Page load times have crept above 3 seconds and bounce rates are climbing
Database queries that used to be fast now take seconds on larger datasets
The application struggles during peak traffic periods
Your JavaScript bundle has grown to megabytes and nobody knows why
Background jobs and batch processes take hours instead of minutes
What we deliver
Measurable performance improvements with before/after benchmarks, monitoring dashboards, and documented changes. Every optimisation is validated under load before deployment.
Performance capabilities
Database optimisation
Query analysis, index strategies, connection pooling, read replicas for reporting workloads, and schema restructuring for query patterns that have changed since the original design.
Caching architecture
Multi-layer caching strategies: browser caching, CDN configuration, application-level caching with Redis, and database query result caching. Cache invalidation strategies that don’t serve stale data.
Frontend performance
Bundle analysis and splitting, lazy loading, image optimisation, Critical CSS extraction, and Core Web Vitals improvement. Measured with Lighthouse, WebPageTest, and real user monitoring.
API & backend optimisation
N+1 query elimination, pagination strategies, response compression, async processing for slow operations, and connection management. Typically 2–10x improvement in response times.
Load testing & capacity planning
Realistic load tests that simulate your actual traffic patterns, identify breaking points, and inform scaling decisions. Know your limits before your customers find them.
Infrastructure tuning
Server configuration, auto-scaling policies, CDN setup, DNS optimisation, and connection pooling. The infrastructure-level changes that affect every request.
Technical debt reduction
Targeted refactoring of the code paths that cause the most problems. We don’t rewrite your application. We fix the specific patterns that cause slowdowns, instability, and developer frustration.
Monitoring & alerting
APM setup, custom dashboards for business-critical metrics, alerting on performance regression, and trend analysis so you can catch degradation before it reaches users.
How we optimise performance
Audit & diagnosis
We profile your application under realistic load, identify the top bottlenecks by impact, and produce a prioritised optimisation plan. Typically, 80% of the improvement comes from fixing 20% of the issues.
Targeted optimisation
We fix the highest-impact issues first, validating each change with benchmarks. Database queries, caching, frontend bundles, and infrastructure configuration, in order of measured impact.
Monitoring & prevention
Performance monitoring dashboards, alerting on regression, and documentation of the changes. Your team has visibility into system performance and the context to maintain it.
Performance wins
E-commerce checkout speed
Reduced checkout page load time from 4.2 seconds to 0.9 seconds through database query optimisation, Redis caching, and frontend bundle splitting. Conversion rate improved 23%.
SaaS dashboard responsiveness
Dashboard that took 8 seconds to load for large accounts now loads in under 1 second. Materialised views, query restructuring, and smart pagination.
API throughput for mobile app
API handling 200 requests/second was falling over at 500. After connection pooling, response caching, and async processing, it handles 3,000 requests/second.
Batch processing pipeline
Nightly data processing job that ran for 6 hours reduced to 35 minutes through parallelisation, batch database operations, and elimination of redundant calculations.
Core Web Vitals remediation
Marketing site failing Google’s CWV thresholds on LCP, CLS, and INP. All metrics brought to "Good" through image optimisation, layout stability fixes, and JavaScript deferral.
Performance toolkit
Profiling
Caching
Load testing
Frontend
Database
Monitoring
Measurable results
Faster pages, higher conversion
Every 100ms of latency reduction improves conversion. We typically achieve 2–5x page speed improvements on the pages that matter most.
Handle traffic spikes without panic
Load-tested systems with auto-scaling that handles peak demand. No more all-hands alerts during marketing campaigns or seasonal surges.
Lower infrastructure costs
Optimised code needs fewer servers. Clients typically see 20–40% infrastructure cost reduction alongside performance improvements.
Developer productivity recovered
When the system is fast and stable, your team spends time on features instead of firefighting slow queries and timeout errors.
See how we've delivered for other clients.
Real projects with measurable outcomes, not hypothetical scenarios.
System feeling slow?
A performance audit identifies the bottlenecks costing you customers and money. We’ll tell you exactly what to fix, in what order, and what improvement to expect.
Get a performance audit