Web & application performance
The technical performance of your web applications and digital platforms conditions user experience quality, operational stability, and business effectiveness. We analyse, measure, and optimise your environments to guarantee speed, reliability, and scalability.
Monitoring & optimisation
Castelis monitors the availability of your applications and improves the user experience. We analyse your tools to optimise rendering, streamline user journeys, and experience navigation as your users do.
Browser monitoring
Real-time analysis of pages viewed in the browser to identify friction points and improve the user journey.
Load testing
Simulation of complex scenarios and load tests to guarantee the performance and availability of your applications.
Log management
Log collection and processing to diagnose and anticipate problems before they impact users.
Manual & automated QA
Implementation of manual and automated tests, web and mobile, to ensure the functional and technical reliability of applications.
Database optimisation
Analysis and improvement of slow queries to guarantee optimal back-end performance.
APM management
Deployment and supervision of APM tools to continuously monitor and improve application performance.
/ Our approach
By combining analysis and action plans, we optimise your applications to engage and retain users while improving the overall experience.
Initial audit
Comprehensive analysis of applications and sites to identify critical performance bottlenecks.
Action plan
Development of technical and functional recommendations for each identified issue.
Implementation
Deployment of optimisations, tests, and adjustments in line with market standards.
Continuous monitoring
Real-time performance tracking and strategic adjustments to maintain a high level of performance.
/ Technologies used
We use the best technologies adapted to your constraints to ensure optimal performance and precise application monitoring.
Custom stack tailored to your constraints and business needs.
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Our commitments
Castelis guarantees continuous and proactive monitoring of your applications and websites, targeted optimisations, and a tangible improvement in user experience.
Our methods combine technical expertise and rigorous testing to deliver measurable, lasting results.
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Frequently asked questions, application performance
We carry out load tests, stress tests, complex scenario simulations, and UX/UI tests to identify friction points and guarantee smooth application performance.
Using monitoring and APM tools, we continuously track application availability and responsiveness to anticipate any user impact.
Reports are generated according to your needs, with regular monitoring and concrete improvement recommendations to maintain optimal performance.
Yes, we work on websites, business applications, and mobile applications, adapting tests and monitoring tools to each environment.
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